Libav
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main external API structure. More...
#include <avcodec.h>
Data Fields | |
const AVClass * | av_class |
information on struct for av_log | |
int | log_level_offset |
enum AVMediaType | codec_type |
struct AVCodec * | codec |
char | codec_name [32] |
enum AVCodecID | codec_id |
unsigned int | codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
unsigned int | stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
void * | priv_data |
struct AVCodecInternal * | internal |
Private context used for internal data. | |
void * | opaque |
Private data of the user, can be used to carry app specific stuff. | |
int | bit_rate |
the average bitrate | |
int | bit_rate_tolerance |
number of bits the bitstream is allowed to diverge from the reference. | |
int | global_quality |
Global quality for codecs which cannot change it per frame. | |
int | compression_level |
int | flags |
CODEC_FLAG_*. | |
int | flags2 |
CODEC_FLAG2_*. | |
uint8_t * | extradata |
some codecs need / can use extradata like Huffman tables. | |
int | extradata_size |
AVRational | time_base |
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented. | |
int | ticks_per_frame |
For some codecs, the time base is closer to the field rate than the frame rate. | |
int | delay |
Codec delay. | |
int | width |
picture width / height. | |
int | height |
int | coded_width |
Bitstream width / height, may be different from width/height e.g. | |
int | coded_height |
int | gop_size |
the number of pictures in a group of pictures, or 0 for intra_only | |
enum AVPixelFormat | pix_fmt |
Pixel format, see AV_PIX_FMT_xxx. | |
int | me_method |
Motion estimation algorithm used for video coding. | |
void(* | draw_horiz_band )(struct AVCodecContext *s, const AVFrame *src, int offset[AV_NUM_DATA_POINTERS], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band. | |
enum AVPixelFormat(* | get_format )(struct AVCodecContext *s, const enum AVPixelFormat *fmt) |
callback to negotiate the pixelFormat | |
int | max_b_frames |
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input. | |
float | b_quant_factor |
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset). | |
int | rc_strategy |
obsolete FIXME remove | |
int | b_frame_strategy |
float | b_quant_offset |
qscale offset between IP and B-frames | |
int | has_b_frames |
Size of the frame reordering buffer in the decoder. | |
int | mpeg_quant |
0-> h263 quant 1-> mpeg quant | |
float | i_quant_factor |
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset). | |
float | i_quant_offset |
qscale offset between P and I-frames | |
float | lumi_masking |
luminance masking (0-> disabled) | |
float | temporal_cplx_masking |
temporary complexity masking (0-> disabled) | |
float | spatial_cplx_masking |
spatial complexity masking (0-> disabled) | |
float | p_masking |
p block masking (0-> disabled) | |
float | dark_masking |
darkness masking (0-> disabled) | |
int | slice_count |
slice count | |
int | prediction_method |
prediction method (needed for huffyuv) | |
int * | slice_offset |
slice offsets in the frame in bytes | |
AVRational | sample_aspect_ratio |
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel. | |
int | me_cmp |
motion estimation comparison function | |
int | me_sub_cmp |
subpixel motion estimation comparison function | |
int | mb_cmp |
macroblock comparison function (not supported yet) | |
int | ildct_cmp |
interlaced DCT comparison function | |
int | dia_size |
ME diamond size & shape. | |
int | last_predictor_count |
amount of previous MV predictors (2a+1 x 2a+1 square) | |
int | pre_me |
prepass for motion estimation | |
int | me_pre_cmp |
motion estimation prepass comparison function | |
int | pre_dia_size |
ME prepass diamond size & shape. | |
int | me_subpel_quality |
subpel ME quality | |
int | dtg_active_format |
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set. | |
int | me_range |
maximum motion estimation search range in subpel units If 0 then no limit. | |
int | intra_quant_bias |
intra quantizer bias | |
int | inter_quant_bias |
inter quantizer bias | |
int | slice_flags |
slice flags | |
int | mb_decision |
macroblock decision mode | |
uint16_t * | intra_matrix |
custom intra quantization matrix | |
uint16_t * | inter_matrix |
custom inter quantization matrix | |
int | scenechange_threshold |
scene change detection threshold 0 is default, larger means fewer detected scene changes. | |
int | noise_reduction |
noise reduction strength | |
int | me_threshold |
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used. | |
int | mb_threshold |
Macroblock threshold below which the user specified macroblock types will be used. | |
int | intra_dc_precision |
precision of the intra DC coefficient - 8 | |
int | skip_top |
Number of macroblock rows at the top which are skipped. | |
int | skip_bottom |
Number of macroblock rows at the bottom which are skipped. | |
float | border_masking |
Border processing masking, raises the quantizer for mbs on the borders of the picture. | |
int | mb_lmin |
minimum MB lagrange multipler | |
int | mb_lmax |
maximum MB lagrange multipler | |
int | me_penalty_compensation |
int | bidir_refine |
int | brd_scale |
int | keyint_min |
minimum GOP size | |
int | refs |
number of reference frames | |
int | chromaoffset |
chroma qp offset from luma | |
int | scenechange_factor |
Multiplied by qscale for each frame and added to scene_change_score. | |
int | mv0_threshold |
Note: Value depends upon the compare function used for fullpel ME. | |
int | b_sensitivity |
Adjust sensitivity of b_frame_strategy 1. | |
enum AVColorPrimaries | color_primaries |
Chromaticity coordinates of the source primaries. | |
enum AVColorTransferCharacteristic | color_trc |
Color Transfer Characteristic. | |
enum AVColorSpace | colorspace |
YUV colorspace type. | |
enum AVColorRange | color_range |
MPEG vs JPEG YUV range. | |
enum AVChromaLocation | chroma_sample_location |
This defines the location of chroma samples. | |
int | slices |
Number of slices. | |
enum AVFieldOrder | field_order |
Field order. | |
int | sample_rate |
samples per second | |
int | channels |
number of audio channels | |
enum AVSampleFormat | sample_fmt |
audio sample format | |
int | frame_size |
Number of samples per channel in an audio frame. | |
int | frame_number |
Frame counter, set by libavcodec. | |
int | block_align |
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs. | |
int | cutoff |
Audio cutoff bandwidth (0 means "automatic") | |
attribute_deprecated int | request_channels |
Decoder should decode to this many channels if it can (0 for default) | |
uint64_t | channel_layout |
Audio channel layout. | |
uint64_t | request_channel_layout |
Request decoder to use this channel layout if it can (0 for default) | |
enum AVAudioServiceType | audio_service_type |
Type of service that the audio stream conveys. | |
enum AVSampleFormat | request_sample_fmt |
Used to request a sample format from the decoder. | |
attribute_deprecated int(* | get_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it. | |
attribute_deprecated void(* | release_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer. | |
attribute_deprecated int(* | reget_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it. | |
int(* | get_buffer2 )(struct AVCodecContext *s, AVFrame *frame, int flags) |
This callback is called at the beginning of each frame to get data buffer(s) for it. | |
int | refcounted_frames |
If non-zero, the decoded audio and video frames returned from avcodec_decode_video2() and avcodec_decode_audio4() are reference-counted and are valid indefinitely. | |
float | qcompress |
amount of qscale change between easy & hard scenes (0.0-1.0) | |
float | qblur |
amount of qscale smoothing over time (0.0-1.0) | |
int | qmin |
minimum quantizer | |
int | qmax |
maximum quantizer | |
int | max_qdiff |
maximum quantizer difference between frames | |
float | rc_qsquish |
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax. | |
float | rc_qmod_amp |
int | rc_qmod_freq |
int | rc_buffer_size |
decoder bitstream buffer size | |
int | rc_override_count |
ratecontrol override, see RcOverride | |
RcOverride * | rc_override |
const char * | rc_eq |
rate control equation | |
int | rc_max_rate |
maximum bitrate | |
int | rc_min_rate |
minimum bitrate | |
float | rc_buffer_aggressivity |
float | rc_initial_cplx |
initial complexity for pass1 ratecontrol | |
float | rc_max_available_vbv_use |
Ratecontrol attempt to use, at maximum, of what can be used without an underflow. | |
float | rc_min_vbv_overflow_use |
Ratecontrol attempt to use, at least, times the amount needed to prevent a vbv overflow. | |
int | rc_initial_buffer_occupancy |
Number of bits which should be loaded into the rc buffer before decoding starts. | |
int | coder_type |
coder type | |
int | context_model |
context model | |
int | lmin |
minimum Lagrange multipler | |
int | lmax |
maximum Lagrange multipler | |
int | frame_skip_threshold |
frame skip threshold | |
int | frame_skip_factor |
frame skip factor | |
int | frame_skip_exp |
frame skip exponent | |
int | frame_skip_cmp |
frame skip comparison function | |
int | trellis |
trellis RD quantization | |
int | min_prediction_order |
int | max_prediction_order |
int64_t | timecode_frame_start |
GOP timecode frame start number, in non drop frame format. | |
void(* | rtp_callback )(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
int | rtp_payload_size |
int | mv_bits |
int | header_bits |
int | i_tex_bits |
int | p_tex_bits |
int | i_count |
int | p_count |
int | skip_count |
int | misc_bits |
int | frame_bits |
number of bits used for the previously encoded frame | |
char * | stats_out |
pass1 encoding statistics output buffer | |
char * | stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here. | |
int | workaround_bugs |
Work around bugs in encoders which sometimes cannot be detected automatically. | |
int | strict_std_compliance |
strictly follow the standard (MPEG4, ...). | |
int | error_concealment |
error concealment flags | |
int | debug |
debug | |
attribute_deprecated int | debug_mv |
int | err_recognition |
Error recognition; may misdetect some more or less valid parts as errors. | |
int64_t | reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque | |
struct AVHWAccel * | hwaccel |
Hardware accelerator in use. | |
void * | hwaccel_context |
Hardware accelerator context. | |
uint64_t | error [AV_NUM_DATA_POINTERS] |
error | |
int | dct_algo |
DCT algorithm, see FF_DCT_* below. | |
int | idct_algo |
IDCT algorithm, see FF_IDCT_* below. | |
int | bits_per_coded_sample |
bits per sample/pixel from the demuxer (needed for huffyuv). | |
int | bits_per_raw_sample |
Bits per sample/pixel of internal libavcodec pixel/sample format. | |
attribute_deprecated int | lowres |
low resolution decoding, 1-> 1/2 size, 2->1/4 size | |
AVFrame * | coded_frame |
the picture in the bitstream | |
int | thread_count |
thread count is used to decide how many independent tasks should be passed to execute() | |
int | thread_type |
Which multithreading methods to use. | |
int | active_thread_type |
Which multithreading methods are in use by the codec. | |
int | thread_safe_callbacks |
Set by the client if its custom get_buffer() callback can be called synchronously from another thread, which allows faster multithreaded decoding. | |
int(* | execute )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things. | |
int(* | execute2 )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) |
The codec may call this to execute several independent things. | |
attribute_deprecated void * | thread_opaque |
int | nsse_weight |
noise vs. | |
int | profile |
profile | |
int | level |
level | |
enum AVDiscard | skip_loop_filter |
enum AVDiscard | skip_idct |
enum AVDiscard | skip_frame |
uint8_t * | subtitle_header |
Header containing style information for text subtitles. | |
int | subtitle_header_size |
attribute_deprecated int | error_rate |
attribute_deprecated AVPacket * | pkt |
uint64_t | vbv_delay |
VBV delay coded in the last frame (in periods of a 27 MHz clock). |
main external API structure.
New fields can be added to the end with minor version bumps. Removal, reordering and changes to existing fields require a major version bump. sizeof(AVCodecContext) must not be used outside libav*.
const AVClass* AVCodecContext::av_class |
information on struct for av_log
Definition at line 1058 of file avcodec.h.
Referenced by avcodec_get_context_defaults3().
enum AVMediaType AVCodecContext::codec_type |
Definition at line 1061 of file avcodec.h.
Referenced by add_av_stream(), add_codec(), add_dstream(), add_input_streams(), adts_aac_read_header(), adx_read_header(), aea_read_header(), amr_read_header(), apc_read_header(), ape_read_header(), ape_tag_read_field(), asf_parse_packet(), asf_read_header(), asf_read_picture(), asf_read_stream_properties(), asf_write_header1(), asf_write_packet(), audio_read_header(), av_find_best_stream(), av_find_default_stream_index(), av_interleaved_write_frame(), avcodec_default_get_buffer2(), avcodec_get_context_defaults3(), avcodec_open2(), avcodec_string(), avformat_find_stream_info(), avi_read_header(), avi_sync(), avi_write_counters(), avi_write_header(), avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_trailer(), avisynth_create_stream_audio(), avisynth_create_stream_video(), avisynth_read_packet(), avisynth_read_seek(), avpriv_dv_init_demux(), avs_read_packet(), bfi_read_header(), bmv_read_header(), build_feed_streams(), build_frame_code(), cdata_read_header(), cdxl_read_packet(), celt_header(), check_packet(), check_stream_specifier(), choose_decoder(), choose_encoder(), cin_read_header(), compute_bandwidth(), compute_pkt_fields(), compute_pkt_fields2(), compute_status(), create_audio_stream(), create_stream(), daud_header(), dc1394_read_common(), decode_stream_header(), dfa_read_header(), dirac_header(), do_streamcopy(), do_video_stats(), dump_stream_format(), dv_assemble_frame(), dv_extract_audio_info(), dv_init_mux(), dxa_read_header(), ea_read_header(), enable_tracks(), fbdev_read_header(), ff_audio_interleave_close(), ff_audio_interleave_init(), ff_audio_rechunk_interleave(), ff_compute_frame_duration(), ff_flac_parse_picture(), ff_get_buffer(), ff_get_wav_header(), ff_id3v2_parse_apic(), ff_mov_init_hinting(), ff_mov_read_stsd_entries(), ff_parse_specific_params(), ff_raw_audio_read_header(), ff_raw_video_read_header(), ff_read_packet(), ff_reget_buffer(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ffm_read_header(), ffm_write_header(), film_read_header(), filter_codec_opts(), flac_header(), flac_read_header(), flush_encoders(), flv_data_packet(), flv_read_metabody(), flv_read_packet(), flv_write_header(), flv_write_packet(), flv_write_trailer(), g722_read_header(), g723_1_init(), get_aiff_header(), get_attachment(), get_bit_rate(), get_input_stream(), get_ost_filters(), get_sindex(), gif_write_header(), gif_write_packet(), grab_read_header(), gsm_read_header(), gxf_compare_field_nb(), gxf_interleave_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), handle_file(), has_codec_parameters(), hds_write_header(), hds_write_packet(), hls_write_header(), hls_write_packet(), hnm_read_header(), http_prepare_data(), idcin_read_header(), iff_read_header(), ilbc_read_header(), img_read_header(), init_input_filter(), init_muxer(), init_pts(), ipmovie_read_header(), ipod_get_codec_tag(), ism_write_header(), ism_write_packet(), iss_read_header(), ivf_write_header(), lmlm4_read_header(), lxf_read_header(), m4sl_cb(), matroska_read_header(), mkv_write_attachments(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_packet_internal(), mkv_write_tracks(), mmf_read_header(), mov_build_index(), mov_codec_id(), mov_create_chapter_track(), mov_finalize_stsd_codec(), mov_get_codec_tag(), mov_read_covr(), mov_read_hdlr(), mov_read_trak(), mov_read_trun(), mov_write_audio_tag(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_hdlr_tag(), mov_write_header(), mov_write_iods_tag(), mov_write_isml_manifest(), mov_write_minf_tag(), mov_write_packet(), mov_write_stbl_tag(), mov_write_stsd_tag(), mov_write_stts_tag(), mov_write_tfhd_tag(), mov_write_tkhd_tag(), mov_write_trak_tag(), mp3_read_header(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpeg_mux_write_packet(), mpeg_parse_packet(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet_internal(), mpegts_write_pes(), mpegts_write_pmt(), msnwc_tcp_read_header(), mtv_read_header(), mxf_handle_small_eubc(), mxf_parse_structural_metadata(), mxf_read_packet(), mxf_read_packet_old(), mxf_write_common_fields(), mxf_write_header(), mxf_write_packet(), mxg_read_header(), nc_read_header(), new_audio_stream(), new_output_stream(), new_stream(), new_subtitle_stream(), nsv_parse_NSVs_header(), nuv_header(), ogg_read_seek(), ogg_write_header(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_input_stream(), open_output_file(), opt_target(), opus_header(), output_packet(), parse_ffconfig(), parse_packet(), parse_strk(), parse_vtrk(), pcm_read_header(), pmp_header(), pmt_cb(), print_report(), pulse_read_header(), put_frame(), pva_read_header(), qcp_read_header(), qt_rtp_parse_packet(), r3d_read_red1(), rawvideo_read_header(), read_desc_chunk(), read_frame(), read_header(), read_packet(), release_delayed_buffers(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_dts(), rm_read_header(), rm_write_header(), rm_write_packet(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rso_read_header(), rtp_write_header(), rv10_write_header(), seg_write_header(), seg_write_packet(), seq_read_header(), set_codec_from_probe_data(), show_packet(), show_stream(), siff_parse_vbv1(), skeleton_header(), smacker_read_header(), smjpeg_read_header(), smjpeg_write_header(), smjpeg_write_packet(), sol_read_header(), sox_read_header(), spdif_read_packet(), speex_header(), srt_read_header(), str_read_packet(), stream_component_close(), stream_component_open(), stream_cycle_channel(), swf_read_packet(), swf_write_header(), swf_write_packet(), swf_write_trailer(), tak_read_header(), theora_header(), thp_read_header(), tmv_read_header(), transcode_init(), try_decode_frame(), tta_read_header(), txd_read_header(), update_frame_pool(), update_initial_durations(), v4l2_read_header(), vc1t_read_header(), vfw_read_header(), vid_read_packet(), vmd_read_header(), voc_read_header(), voc_write_header(), vorbis_header(), vqf_read_header(), wc3_read_header(), write_frame(), write_manifest(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wsvqa_read_packet(), wv_read_header(), x11grab_read_header(), xa_read_header(), xmv_read_header(), yop_read_header(), and yuv4_read_header().
struct AVCodec* AVCodecContext::codec |
Definition at line 1062 of file avcodec.h.
Referenced by a64_write_header(), a64multi_init_encoder(), adpcm_compress_trellis(), adpcm_decode_frame(), adpcm_decode_init(), adpcm_encode_init(), alloc_frame_buffer(), apply_param_change(), audio_decode_frame(), avcodec_close(), avcodec_copy_context(), avcodec_decode_audio4(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio2(), avcodec_encode_subtitle(), avcodec_encode_video2(), avcodec_flush_buffers(), avcodec_get_context_defaults3(), avcodec_open2(), avcodec_string(), avformat_find_stream_info(), close_connection(), codec_child_next(), context_to_name(), decode_end(), decode_frame(), decode_init(), decode_thread(), do_video_out(), dpcm_decode_frame(), dpcm_decode_init(), eightsvx_decode_init(), encode_init(), ff_find_hwaccel(), ff_frame_thread_free(), ff_frame_thread_init(), ff_h263_decode_init(), ff_jpeg2000_init_component(), ff_mjpeg_decode_init(), ff_mjpeg_encode_picture_header(), ff_MPV_encode_init(), ff_thread_flush(), ff_thread_get_buffer(), ff_vp56_init(), ff_wma_init(), flush_encoders(), frame_worker_thread(), get_nb_samples(), get_pixel_format(), h261_decode_init(), mov_write_video_tag(), mpeg_decode_init(), open_audio(), open_input_file(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), pcm_encode_init(), show_stream(), submit_packet(), svq3_decode_init(), try_decode_frame(), update_context_from_thread(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), validate_thread_parameters(), vc1_decode_init(), vdpau_mpeg4_start_frame(), vp6_decode_init(), wav_write_header(), wma_decode_init(), and write_frame().
char AVCodecContext::codec_name[32] |
Definition at line 1063 of file avcodec.h.
Referenced by asf_write_header1(), avcodec_string(), mov_parse_stsd_video(), rm_read_audio_stream_info(), and skeleton_header().
enum AVCodecID AVCodecContext::codec_id |
Definition at line 1064 of file avcodec.h.
Referenced by add_av_stream(), add_input_streams(), add_video_stream(), adts_aac_read_header(), adx_read_header(), aea_read_header(), aiff_write_header(), amf_parse_object(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), amr_read_packet(), apc_read_header(), ape_read_header(), ape_tag_read_field(), asf_parse_packet(), asf_read_picture(), asf_read_stream_properties(), asf_write_header1(), audio_read_header(), audio_write_header(), av_find_best_stream(), av_get_audio_frame_duration(), av_vdpau_get_profile(), avcodec_align_dimensions2(), avcodec_open2(), avcodec_string(), avformat_find_stream_info(), avi_read_header(), avi_write_header(), avi_write_trailer(), avisynth_create_stream_audio(), avisynth_create_stream_video(), avpriv_dv_init_demux(), avpriv_mpa_decode_header(), avs_read_packet(), avserver_opt_preset(), bfi_read_header(), bmv_read_header(), cdata_read_header(), cdxl_read_packet(), celt_header(), choose_decoder(), choose_encoder(), cin_read_header(), clone_tables(), commit_bitstream_and_slice_buffer(), compute_pkt_fields(), compute_status(), create_audio_stream(), cyuv_decode_frame(), daud_header(), dc1394_read_common(), decode_end(), decode_frame(), decode_init(), decode_mb(), decode_slice(), decode_stream_header(), dfa_read_header(), dirac_header(), do_streamcopy(), do_subtitle_out(), dv_extract_audio_info(), dv_init_mux(), dxa_read_header(), dxva2_vc1_decode_slice(), ea_read_header(), eightsvx_decode_frame(), encode_frame(), encode_init(), encode_mb(), estimate_best_b_count(), extract_mpeg4_header(), fbdev_read_header(), ff_aac_ac3_parse(), ff_ac3_encode_init(), ff_audio_interleave_init(), ff_draw_horiz_band(), ff_flac_parse_picture(), ff_get_wav_header(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_id3v2_parse_apic(), ff_id3v2_write_apic(), ff_ivi_decode_close(), ff_ivi_decode_frame(), ff_mjpeg_encode_picture_header(), ff_mjpeg_find_marker(), ff_mov_read_stsd_entries(), ff_mov_write_packet(), ff_mp4_read_dec_config_descr(), ff_MPV_encode_init(), ff_parse_mpeg2_descriptor(), ff_pcm_read_seek(), ff_pnm_decode_header(), ff_psy_init(), ff_put_wav_header(), ff_raw_audio_read_header(), ff_raw_video_read_header(), ff_read_packet(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_rtp_parse_open(), ff_rv34_decode_init(), ff_vc1_decode_init_alloc_tables(), ff_vc1_parse_frame_header(), ff_voc_get_packet(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_header(), flac_read_header(), flv_data_packet(), flv_read_packet(), flv_same_audio_codec(), flv_same_video_codec(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), flv_write_trailer(), g722_read_header(), g723_1_init(), get_aiff_header(), get_attachment(), get_audio_flags(), get_bit_rate(), get_codec_data(), get_packet_header(), get_private_data(), get_sindex(), get_video_private_data(), grab_read_header(), gsm_decode_frame(), gsm_init(), gsm_parse(), gsm_read_header(), guess_mv(), gxf_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), gxf_write_umf_media_description(), gxf_write_umf_media_mpeg(), h264_set_parameter_from_sps(), handle_file(), has_codec_parameters(), has_decode_delay_been_guessed(), hnm_read_header(), idcin_read_header(), iff_read_header(), ilbc_read_header(), ilbc_write_header(), imc_decode_block(), imc_decode_init(), img_read_header(), img_read_packet(), imx_dump_header(), init_input_stream(), init_muxer(), ipmovie_read_header(), ipod_get_codec_tag(), is_intra_more_likely(), ism_write_header(), iss_read_header(), ivf_write_header(), ivi_decode_blocks(), libgsm_decode_init(), libgsm_encode_frame(), libgsm_encode_init(), libgsm_flush(), lmlm4_read_header(), lxf_read_header(), m4sl_cb(), mace_decode_frame(), matroska_parse_block(), matroska_parse_frame(), matroska_parse_rm_audio(), matroska_read_header(), mjpega_dump_header(), mkv_write_attachments(), mkv_write_block(), mkv_write_codecprivate(), mkv_write_packet_internal(), mkv_write_tracks(), mmf_read_header(), mov_finalize_stsd_codec(), mov_find_codec_tag(), mov_get_codec_tag(), mov_parse_stsd_audio(), mov_parse_stsd_video(), mov_read_covr(), mov_read_enda(), mov_read_hdlr(), mov_read_trak(), mov_read_wave(), mov_write_audio_tag(), mov_write_chan_tag(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_header(), mov_write_isml_manifest(), mov_write_uuidprof_tag(), mov_write_video_tag(), mov_write_wave_tag(), movie_init(), mp3_read_header(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpeg_mux_init(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_push_data(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet_internal(), mpegts_write_pes(), mpegts_write_pmt(), mpegvideo_extract_headers(), msnwc_tcp_read_header(), mtv_read_header(), mxf_handle_small_eubc(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_packet(), mxg_read_header(), nc_read_header(), nsv_parse_NSVs_header(), nsv_read_chunk(), nuv_header(), ogg_buffer_data(), ogg_write_header(), ogg_write_packet(), ogg_write_trailer(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_input_file(), opus_header(), parse(), parse_ffconfig(), parse_fmtp(), parse_media_type(), parse_mpeg1waveformatex(), parse_strk(), parse_vtrk(), parse_waveformatex(), pcm_decode_frame(), pcm_read_header(), pcm_read_packet(), pmp_header(), probe_codec(), pulse_read_header(), put_xiph_codecpriv(), pva_read_header(), qcp_read_header(), qdm2_parse_packet(), r3d_read_red1(), rawvideo_read_header(), rdt_parse_packet(), read_access_unit(), read_desc_chunk(), read_frame(), read_frame_internal(), read_header(), read_kuki_chunk(), read_major_sync(), read_matrix_params(), read_restart_header(), remove_extradata(), rl2_read_header(), rm_ac3_swap_bytes(), rm_read_audio_stream_info(), rm_write_audio(), roq_read_packet(), rpl_read_header(), rso_read_header(), rso_read_packet(), rso_write_header(), rtp_write_header(), rtp_write_packet(), rv10_decode_init(), rv10_write_header(), rv34_parse(), sdp_parse_fmtp_config_h264(), seq_read_header(), set_codec_from_probe_data(), set_mv_strides(), setup_find_stream_info_opts(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smjpeg_read_header(), smjpeg_write_header(), sol_read_header(), sox_read_header(), sox_write_header(), sox_write_trailer(), sp5x_decode_frame(), spdif_read_packet(), spdif_write_header(), speex_header(), srt_read_header(), str_read_packet(), stream_component_open(), svq3_parse_packet(), swf_read_packet(), swf_write_header(), swf_write_video(), tak_read_header(), tb_unreliable(), theora_header(), thp_read_header(), tmv_read_header(), transcode_init(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vaapi_vc1_decode_slice(), validate_codec_tag(), vc1_decode_frame(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vcr2_init_sequence(), vfw_read_header(), vid_read_packet(), vmd_read_header(), vorbis_header(), vqf_read_header(), wc3_read_header(), write_header(), write_packet(), write_streamheader(), wsaud_read_header(), wsaud_read_packet(), wsvqa_read_header(), wsvqa_read_packet(), wv_read_header(), wv_write_header(), x11grab_read_header(), xa_read_header(), xmv_read_header(), xvid_encode_init(), xwma_read_header(), yop_read_header(), and yuv4_read_header().
unsigned int AVCodecContext::codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs. A demuxer should set this to what is stored in the field used to identify the codec. If there are multiple such fields in a container then the demuxer should choose the one which maximizes the information about the used codec. If the codec tag field in a container is larger than 32 bits then the demuxer should remap the longer ID to 32 bits with a table or other structure. Alternatively a new extra_codec_tag + size could be added but for this a clear advantage must be demonstrated first.
Definition at line 1079 of file avcodec.h.
Referenced by a64multi_init_encoder(), aiff_write_header(), amr_read_header(), ape_read_header(), asf_read_stream_properties(), asf_write_header1(), av_get_audio_frame_duration(), avcodec_string(), avi_read_header(), avi_write_header(), cdata_read_header(), cdxl_read_packet(), cin_read_header(), daud_header(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_stream_header(), dpcm_decode_frame(), dpcm_decode_init(), ea_read_header(), encode_init(), ff_get_wav_header(), ff_mjpeg_decode_sos(), ff_mov_init_hinting(), ff_mov_read_stsd_entries(), ff_MPV_common_init(), ff_parse_mpeg2_descriptor(), ff_put_bmp_header(), ff_put_wav_header(), ff_rm_read_mdpr_codecdata(), ff_update_duplicate_context(), ffm_read_header(), ffm_write_header(), film_read_header(), flv_same_audio_codec(), flv_same_video_codec(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), get_aiff_header(), get_audio_flags(), get_codec_data(), handle_file(), hnm_read_header(), idcin_read_header(), iff_read_header(), init_duplicate_context(), init_muxer(), ipmovie_read_header(), ipod_get_codec_tag(), ivf_write_header(), lxf_read_header(), matroska_read_header(), mkv_write_codecprivate(), mov_codec_id(), mov_finalize_stsd_codec(), mov_get_codec_tag(), mov_get_rawvideo_codec_tag(), mov_parse_stsd_audio(), mov_parse_stsd_data(), mov_parse_stsd_subtitle(), mov_parse_stsd_video(), mov_read_trak(), mov_write_hdlr_tag(), mov_write_ms_tag(), mov_write_stbl_tag(), mov_write_stsd_tag(), mp4_get_codec_tag(), mpeg_decode_frame(), mpegts_set_stream_info(), msnwc_tcp_read_header(), new_output_stream(), nsv_parse_NSVs_header(), ogm_header(), oma_read_header(), oma_write_header(), parse_ffconfig(), parse_strk(), parse_waveformatex(), pmt_cb(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), read_desc_chunk(), read_header(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rso_read_header(), rso_write_header(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smjpeg_read_header(), sol_read_header(), str_read_packet(), thp_read_header(), transcode_init(), utvideo_encode_init(), v4l2_read_header(), validate_codec_tag(), vmd_read_header(), voc_write_packet(), vp3_decode_init(), wav_write_header(), wav_write_trailer(), wc3_read_header(), write_streamheader(), wsvqa_read_header(), xmv_read_header(), xsub_encoder_init(), xvid_encode_init(), and xwma_read_header().
unsigned int AVCodecContext::stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs.
Definition at line 1087 of file avcodec.h.
Referenced by avi_read_header(), and ff_MPV_common_init().
void* AVCodecContext::priv_data |
Definition at line 1089 of file avcodec.h.
Referenced by a64multi_close_encoder(), a64multi_encode_frame(), a64multi_init_encoder(), aac_decode_close(), aac_decode_er_frame(), aac_decode_frame(), aac_decode_frame_int(), aac_decode_init(), aac_encode_close(), aac_encode_end(), aac_encode_frame(), aac_encode_init(), aasc_decode_end(), aasc_decode_frame(), aasc_decode_init(), ac3_decode_end(), ac3_decode_frame(), ac3_decode_init(), ac3_fixed_encode_init(), adpcm_compress_trellis(), adpcm_decode_frame(), adpcm_decode_init(), adpcm_encode_close(), adpcm_encode_init(), adpcm_swf_decode(), adx_decode_flush(), adx_decode_frame(), adx_decode_init(), adx_encode_frame(), adx_encode_header(), adx_encode_init(), aic_decode_close(), aic_decode_frame(), aic_decode_init(), alac_decode_close(), alac_decode_frame(), alac_decode_init(), alac_encode_close(), alac_encode_frame(), alac_encode_init(), allocate_tables(), amr_wb_encode_close(), amr_wb_encode_frame(), amr_wb_encode_init(), amrnb_decode_frame(), amrnb_decode_init(), amrwb_decode_frame(), amrwb_decode_init(), ape_decode_close(), ape_decode_frame(), ape_decode_init(), ape_flush(), apply_window_and_mdct(), atrac1_decode_end(), atrac1_decode_frame(), atrac1_decode_init(), atrac3_decode_close(), atrac3_decode_frame(), atrac3_decode_init(), atrac3p_decode_close(), atrac3p_decode_frame(), atrac3p_decode_init(), avcodec_close(), avcodec_copy_context(), avcodec_get_context_defaults3(), avcodec_open2(), avs_decode_end(), avs_decode_frame(), avs_decode_init(), bethsoftvid_decode_end(), bethsoftvid_decode_frame(), bethsoftvid_decode_init(), bfi_decode_close(), bfi_decode_frame(), bfi_decode_init(), cavs_decode_frame(), cavs_flush(), cdg_decode_end(), cdg_decode_frame(), cdg_decode_init(), cdxl_decode_end(), cdxl_decode_frame(), cdxl_decode_init(), cinaudio_decode_frame(), cinaudio_decode_init(), cinepak_decode_end(), cinepak_decode_frame(), cinepak_decode_init(), cinvideo_decode_end(), cinvideo_decode_frame(), cinvideo_decode_init(), cllc_decode_close(), cllc_decode_frame(), cllc_decode_init(), close_decoder(), cmv_decode_end(), cmv_decode_frame(), cmv_decode_init(), cng_decode_close(), cng_decode_flush(), cng_decode_frame(), cng_decode_init(), cng_encode_close(), cng_encode_frame(), cng_encode_init(), codec_child_next(), codec_reinit(), codecctl_int(), commit_bitstream_and_slice_buffer(), cook_decode_close(), cook_decode_frame(), cook_decode_init(), copy_processed_frame(), cyuv_decode_frame(), cyuv_decode_init(), dca_decode_end(), dca_decode_frame(), dca_decode_init(), decode_block(), decode_chunks(), decode_close(), decode_coeffs(), decode_element(), decode_end(), decode_flush(), decode_frame(), decode_frame_byterun1(), decode_frame_header(), decode_frame_ilbm(), decode_init(), decode_init_thread_copy(), decode_interframe_v4(), decode_interframe_v4a(), decode_packet(), decode_slice(), decode_subblock(), decode_tag(), decode_update_thread_context(), decode_wmv9(), determine_bitrate(), dfa_decode_end(), dfa_decode_frame(), dfa_decode_init(), display_end_segment(), dnxhd_calc_bits_thread(), dnxhd_decode_close(), dnxhd_decode_frame(), dnxhd_decode_init(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_encode_picture(), dnxhd_encode_thread(), dnxhd_mb_var_thread(), dnxhd_write_header(), dpcm_decode_frame(), dpcm_decode_init(), draw_char(), dv_decode_video_segment(), dv_encode_video_segment(), dvbsub_close_decoder(), dvbsub_decode(), dvbsub_display_end_segment(), dvbsub_encode(), dvbsub_init_decoder(), dvbsub_parse_clut_segment(), dvbsub_parse_display_definition_segment(), dvbsub_parse_object_segment(), dvbsub_parse_page_segment(), dvbsub_parse_pixel_data_block(), dvbsub_parse_region_segment(), dvdsub_decode(), dvdsub_init(), dvvideo_decode_frame(), dvvideo_encode_frame(), dxva2_h264_decode_slice(), dxva2_h264_end_frame(), dxva2_h264_start_frame(), dxva2_mpeg2_decode_slice(), dxva2_mpeg2_end_frame(), dxva2_mpeg2_start_frame(), dxva2_vc1_decode_slice(), dxva2_vc1_end_frame(), dxva2_vc1_start_frame(), eightsvx_decode_close(), eightsvx_decode_frame(), eightsvx_decode_init(), encode_callback(), encode_close(), encode_end(), encode_frame(), encode_init(), encode_nals(), encode_plane(), encode_rgb48_10bit(), encode_slice(), encode_superframe(), erase_line(), erase_screen(), escape124_decode_close(), escape124_decode_frame(), escape124_decode_init(), escape130_decode_close(), escape130_decode_frame(), escape130_decode_init(), execute_code(), Faac_encode_close(), Faac_encode_frame(), Faac_encode_init(), fdk_aac_decode_close(), fdk_aac_decode_flush(), fdk_aac_decode_frame(), fdk_aac_decode_init(), ff_ac3_encode_close(), ff_ac3_encode_init(), ff_asv_common_init(), ff_cavs_end(), ff_cavs_init(), ff_dvvideo_init(), ff_frame_thread_free(), ff_frame_thread_init(), ff_h263_decode_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_h263_resync(), ff_h264_decode_init(), ff_huffyuv_common_init(), ff_ivi_decode_close(), ff_ivi_decode_frame(), ff_mjpeg_decode_end(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_init(), ff_mpeg4_frame_end(), ff_mpeg_flush(), ff_mpeg_update_thread_context(), ff_MPV_encode_end(), ff_MPV_encode_init(), ff_MPV_encode_picture(), ff_msmpeg4_decode_init(), ff_rv34_decode_end(), ff_rv34_decode_frame(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), ff_rv34_decode_update_thread_context(), ff_twinvq_decode_close(), ff_twinvq_decode_frame(), ff_twinvq_decode_init(), ff_vaapi_mpeg_end_frame(), ff_vc1_decode_end(), ff_vp56_decode_frame(), ff_vp56_free(), ff_vp56_init(), ff_vp8_decode_frame(), ff_vp8_decode_free(), ff_vp8_decode_init(), ff_vp9_decode_block(), ff_wma_end(), ff_wma_init(), ffv1_close(), ffv1_common_init(), ffv1_decode_close(), ffv1_decode_frame(), ffv1_decode_init(), ffv1_encode_frame(), ffv1_encode_init(), fic_decode_close(), fic_decode_frame(), fic_decode_init(), fic_decode_slice(), fill_slice(), fill_slice_long(), find_quant_thread(), find_slice_quant(), finish_frame(), flac_decode_close(), flac_decode_frame(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flashsv_decode_block(), flashsv_decode_end(), flashsv_decode_frame(), flashsv_decode_init(), flashsv_encode_end(), flashsv_encode_frame(), flashsv_encode_init(), flic_decode_end(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_decode_init(), flush(), flush_dpb(), frame_configure_elements(), g2m_decode_end(), g2m_decode_frame(), g2m_decode_init(), g722_decode_frame(), g722_decode_init(), g722_encode_close(), g722_encode_init(), g723_1_decode_frame(), g723_1_decode_init(), get_buffer(), get_nb_samples(), get_stats(), get_stream_info(), gif_decode_close(), gif_decode_frame(), gif_decode_init(), gif_encode_close(), gif_encode_init(), gif_image_write_image(), gsm_decode_block(), gsm_flush(), h261_decode_end(), h261_decode_frame(), h261_decode_init(), h264_decode_end(), h264_decode_frame(), hevc_decode_flush(), hevc_decode_frame(), hevc_decode_free(), hevc_decode_init(), hevc_init_context(), hevc_init_thread_copy(), hevc_update_thread_context(), hnm_decode_end(), hnm_decode_frame(), hnm_decode_init(), hnm_update_palette(), hscroll(), idcin_decode_frame(), idcin_decode_init(), ilbc_decode_frame(), ilbc_decode_init(), ilbc_encode_frame(), ilbc_encode_init(), imc_decode_close(), imc_decode_frame(), imc_decode_init(), inter_recon(), intra_recon(), ipvideo_decode_end(), ipvideo_decode_frame(), ipvideo_decode_init(), ir2_decode_end(), ir2_decode_frame(), ir2_decode_init(), jpeg2000_decode_frame(), lag_decode_end(), lag_decode_frame(), lag_decode_init(), latm_decode_frame(), latm_decode_init(), libgsm_decode_close(), libgsm_decode_frame(), libgsm_decode_init(), libgsm_encode_close(), libgsm_encode_frame(), libgsm_encode_init(), libgsm_flush(), libopenjpeg_decode_frame(), libopenjpeg_decode_init(), libopenjpeg_encode_close(), libopenjpeg_encode_frame(), libopenjpeg_encode_init(), libopus_decode(), libopus_decode_close(), libopus_decode_init(), libopus_encode(), libopus_encode_close(), libopus_encode_init(), libopus_flush(), libschroedinger_decode_close(), libschroedinger_decode_frame(), libschroedinger_decode_init(), libschroedinger_encode_close(), libschroedinger_encode_frame(), libschroedinger_encode_init(), libschroedinger_flush(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libspeex_decode_close(), libspeex_decode_flush(), libspeex_decode_frame(), libspeex_decode_init(), libwebp_encode_frame(), libwebp_encode_init(), ljpeg_encode_bgr(), ljpeg_encode_close(), ljpeg_encode_frame(), ljpeg_encode_init(), ljpeg_encode_yuv(), log_encoder_error(), loopfilter_subblock(), mace_decode_frame(), metasound_decode_init(), mimic_decode_end(), mimic_decode_frame(), mimic_decode_init(), mimic_decode_update_thread_context(), mimic_init_thread_copy(), mjpegb_decode_frame(), mlp_decode_init(), mm_decode_end(), mm_decode_frame(), mm_decode_init(), mp3lame_encode_close(), mp3lame_encode_frame(), mp3lame_encode_init(), mp_decode_end(), mp_decode_frame(), mp_decode_init(), MPA_encode_frame(), MPA_encode_init(), mpc7_decode_close(), mpc7_decode_flush(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_decode_flush(), mpc8_decode_frame(), mpc8_decode_init(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg4_update_thread_context(), mpeg_decode_a53_cc(), mpeg_decode_end(), mpeg_decode_frame(), mpeg_decode_gop(), mpeg_decode_init(), mpeg_decode_postinit(), mpeg_decode_update_thread_context(), mpeg_decode_user_data(), mpeg_get_pixelformat(), msrle_decode_end(), msrle_decode_frame(), msrle_decode_init(), mss1_decode_end(), mss1_decode_frame(), mss1_decode_init(), mss2_decode_end(), mss2_decode_frame(), mss2_decode_init(), mss3_decode_end(), mss3_decode_frame(), mss3_decode_init(), mss4_decode_end(), mss4_decode_frame(), mss4_decode_init(), msvideo1_decode_end(), msvideo1_decode_frame(), msvideo1_decode_init(), mxpeg_decode_end(), mxpeg_decode_frame(), mxpeg_decode_init(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), oggvorbis_init_encoder(), parse_palette_segment(), parse_picture_segment(), parse_presentation_segment(), pcm_decode_frame(), pcm_decode_init(), pcm_dvd_decode_frame(), pcm_dvd_decode_init(), pcm_dvd_decode_samples(), pcm_dvd_decode_uninit(), pcm_dvd_parse_header(), png_dec_end(), png_dec_init(), png_enc_init(), pnm_decode_frame(), postprocess_current_frame(), put_audio_specific_config(), qcelp_decode_frame(), qcelp_decode_init(), qdm2_decode_close(), qdm2_decode_frame(), qdm2_decode_init(), qtrle_decode_end(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_end(), qtrle_encode_frame(), qtrle_encode_init(), queue_frames(), ra144_decode_frame(), ra144_decode_init(), ra144_encode_close(), ra144_encode_frame(), ra144_encode_init(), ra288_decode_frame(), ra288_decode_init(), raw_close_decoder(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_access_unit(), read_huffman_tree(), render_charset(), rl2_decode_end(), rl2_decode_frame(), rl2_decode_init(), roq_decode_end(), roq_decode_frame(), roq_decode_init(), roq_dpcm_encode_close(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_encode_end(), roq_encode_frame(), roq_encode_init(), rpza_decode_end(), rpza_decode_frame(), rpza_decode_init(), rv10_decode_end(), rv10_decode_frame(), rv10_decode_init(), rv10_decode_packet(), rv30_decode_init(), rv40_decode_init(), seqvideo_decode_end(), seqvideo_decode_frame(), seqvideo_decode_init(), set_chroma_format(), set_sample_rate_params(), sgi_decode_init(), shorten_decode_close(), shorten_decode_frame(), shorten_decode_init(), sipr_decode_frame(), sipr_decoder_init(), slice_end(), smc_decode_end(), smc_decode_frame(), smc_decode_init(), submit_stats(), sunrast_encode_frame(), sunrast_encode_init(), sunrast_image_write_header(), sunrast_image_write_image(), svq1_decode_end(), svq1_decode_frame(), svq1_decode_frame_header(), svq1_decode_init(), svq1_encode_end(), svq1_encode_frame(), svq1_encode_init(), svq1_flush(), svq3_decode_end(), svq3_decode_frame(), svq3_decode_init(), svq3_decode_slice_header(), synth_frame(), synth_superframe(), tak_decode_close(), tak_decode_frame(), tak_decode_init(), tgq_decode_frame(), tgq_decode_init(), tgv_decode_end(), tgv_decode_frame(), tgv_decode_init(), tiff_end(), tiff_init(), tqi_decode_end(), tqi_decode_frame(), tqi_decode_init(), truemotion1_decode_end(), truemotion1_decode_frame(), truemotion1_decode_init(), truespeech_decode_frame(), truespeech_decode_init(), tscc2_decode_end(), tscc2_decode_frame(), tscc2_decode_init(), tta_decode_close(), tta_decode_frame(), tta_decode_init(), twinvq_decode_init(), ulti_decode_end(), ulti_decode_frame(), ulti_decode_init(), unpack_intraframe(), update_frames(), update_size(), utvideo_encode_close(), utvideo_encode_frame(), utvideo_encode_init(), vaapi_h264_decode_slice(), vaapi_h264_end_frame(), vaapi_h264_start_frame(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), vaapi_vc1_start_frame(), vble_decode_close(), vble_decode_frame(), vble_decode_init(), vc1_decode_frame(), vc1_decode_init(), vcr1_decode_frame(), vcr2_init_sequence(), vda_h264_end_frame(), vdpau_h264_decode_slice(), vdpau_h264_end_frame(), vdpau_h264_set_reference_frames(), vdpau_h264_start_frame(), vdpau_mpeg4_start_frame(), vdpau_mpeg_decode_slice(), vdpau_mpeg_start_frame(), vdpau_vc1_decode_slice(), vdpau_vc1_start_frame(), vmdaudio_decode_frame(), vmdaudio_decode_init(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vmdvideo_decode_init(), vorbis_decode_close(), vorbis_decode_flush(), vorbis_decode_frame(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), vp3_decode_end(), vp3_decode_flush(), vp3_decode_frame(), vp3_decode_init(), vp3_init_thread_copy(), vp3_update_thread_context(), vp56_size_changed(), vp5_decode_init(), vp6_decode_free(), vp6_decode_init(), vp8_decode(), vp8_decode_flush_impl(), vp8_decode_init_thread_copy(), vp8_decode_mb_row_no_filter(), vp8_decode_mb_row_sliced(), vp8_decode_mv_mb_modes(), vp8_decode_update_thread_context(), vp8_encode(), vp8_filter_mb_row(), vp8_free(), vp8_lossless_decode_frame(), vp8_lossy_decode_alpha(), vp8_lossy_decode_frame(), vp9_decode_flush(), vp9_decode_frame(), vp9_decode_free(), vp9_decode_init(), vpx_init(), vqa_decode_end(), vqa_decode_frame(), vqa_decode_init(), wavpack_decode_block(), wavpack_decode_end(), wavpack_decode_flush(), wavpack_decode_frame(), wavpack_decode_init(), wavpack_encode_close(), wavpack_encode_frame(), wavpack_encode_init(), webp_decode_close(), webp_decode_frame(), wma_decode_init(), wma_decode_superframe(), wmavoice_decode_end(), wmavoice_decode_init(), wmavoice_decode_packet(), wmavoice_flush(), wmv2_decode_end(), wmv2_decode_init(), wmv2_encode_init(), wmv9_init(), X264_close(), X264_frame(), X264_init(), xan_decode_chroma(), xan_decode_end(), xan_decode_frame(), xan_decode_frame_type0(), xan_decode_frame_type1(), xan_decode_init(), XAVS_close(), XAVS_frame(), XAVS_init(), xvid_encode_close(), xvid_encode_frame(), xvid_encode_init(), yop_decode_frame(), yop_decode_init(), zerocodec_decode_close(), zerocodec_decode_frame(), and zerocodec_decode_init().
struct AVCodecInternal* AVCodecContext::internal |
Private context used for internal data.
Unlike priv_data, this is not codec-specific. It is used in general libavcodec functions.
Definition at line 1097 of file avcodec.h.
Referenced by audio_get_buffer(), avcodec_close(), avcodec_copy_context(), avcodec_decode_audio4(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio2(), avcodec_flush_buffers(), avcodec_is_open(), avcodec_open2(), decode_init(), decode_init_thread_copy(), ff_frame_thread_free(), ff_frame_thread_init(), ff_get_buffer(), ff_h264_decode_init(), ff_reget_buffer(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), ff_slice_thread_free(), ff_slice_thread_init(), ff_thread_await_progress(), ff_thread_decode_frame(), ff_thread_finish_setup(), ff_thread_flush(), ff_thread_get_buffer(), ff_thread_release_buffer(), ff_thread_report_progress(), ff_vp8_decode_init(), frame_worker_thread(), hevc_decode_init(), mimic_decode_end(), mimic_decode_init(), raw_decode(), thread_execute(), thread_execute2(), update_frame_pool(), video_get_buffer(), vp3_decode_end(), vp3_decode_init(), and worker().
void* AVCodecContext::opaque |
Private data of the user, can be used to carry app specific stuff.
Definition at line 1104 of file avcodec.h.
Referenced by get_buffer(), get_format(), init_input_stream(), update_context_from_user(), vdpau_alloc(), vdpau_get_buffer(), vdpau_init(), vdpau_retrieve_data(), and vdpau_uninit().
int AVCodecContext::bit_rate |
the average bitrate
Definition at line 1111 of file avcodec.h.
Referenced by aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), add_audio_stream(), add_av_stream(), add_codec(), add_video_stream(), aea_read_header(), amf_parse_object(), amr_read_packet(), amr_wb_encode_frame(), amr_wb_encode_init(), apc_read_header(), asf_read_header(), asf_write_header1(), audio_encode_example(), avformat_new_stream(), avi_write_header(), avpriv_adx_decode_header(), avpriv_dv_init_demux(), avpriv_dv_produce_packet(), bfi_read_header(), check_stream_max_drift(), cin_read_header(), compute_bandwidth(), compute_status(), daud_header(), dc1394_read_common(), dca_decode_frame(), decode_frame(), decode_ppc(), dv_extract_audio_info(), dv_extract_video_info(), ea_read_header(), encode_init(), estimate_timings_from_bit_rate(), Faac_encode_init(), fbdev_read_header(), ff_aac_ac3_parse(), ff_dnxhd_find_cid(), ff_dv_offset_reset(), ff_get_wav_header(), ff_MPV_encode_init(), ff_parse_specific_params(), ff_pcm_read_seek(), ff_put_wav_header(), ff_voc_get_packet(), ff_wma_init(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_stream_in_feed(), flv_write_header(), get_aiff_header(), get_bit_rate(), get_mode(), get_sindex(), gsm_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), handle_file(), hds_write_header(), idcin_read_header(), iff_read_header(), ilbc_read_header(), init_bitstream_params(), ipmovie_read_header(), ism_write_header(), iss_read_header(), lame_window_init(), libgsm_encode_init(), libopus_configure_encoder(), libopus_encode_init(), libschroedinger_encode_init(), lxf_read_header(), matroska_read_header(), metasound_decode_init(), mlp_parse(), mmf_read_header(), modify_current_stream(), mov_build_index(), mov_read_header(), mov_write_esds_tag(), mov_write_isml_manifest(), mov_write_uuidprof_tag(), mp3_parse_vbr_tags(), mp3_write_xing(), mp3lame_encode_init(), MPA_encode_init(), mpeg_decode_postinit(), mpeg_mux_init(), mpegaudio_parse(), mpegts_read_header(), mpegvideo_extract_headers(), mtv_read_header(), mxf_write_d10_video_packet(), mxf_write_header(), mxf_write_mpegvideo_desc(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), parse_ffconfig(), parse_mpeg1waveformatex(), parse_strk(), pcm_bluray_parse_header(), pcm_dvd_parse_header(), pcm_encode_init(), print_enc_params(), psy_3gpp_init(), psy_3gpp_window(), qcp_read_header(), qdm2_decode_init(), ra144_encode_init(), read_desc_chunk(), read_header(), real_parse_asm_rule(), rl2_read_header(), rm_read_header(), rm_write_header(), roq_dpcm_encode_init(), roq_read_packet(), rv10_write_header(), s302m_parse_frame_header(), search_for_quantizers_twoloop(), seq_read_header(), show_stream(), sipr_decoder_init(), sox_read_header(), tmv_read_header(), transcode_init(), twinvq_decode_init(), v4l2_read_header(), validate_options(), vid_read_packet(), video_encode_example(), vmd_read_header(), vorbis_encode_init(), vorbis_header(), vpx_init(), vqf_read_header(), vqf_read_seek(), wc3_read_header(), write_manifest(), wsaud_read_header(), x11grab_read_header(), X264_init(), xa_read_header(), XAVS_init(), xmv_read_header(), xvid_encode_init(), and xwma_read_header().
int AVCodecContext::bit_rate_tolerance |
number of bits the bitstream is allowed to diverge from the reference.
the reference can be CBR (for CBR pass1) or VBR (for pass2)
Definition at line 1119 of file avcodec.h.
Referenced by add_codec(), ff_MPV_encode_init(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), parse_ffconfig(), and XAVS_init().
int AVCodecContext::global_quality |
Global quality for codecs which cannot change it per frame.
This should be proportional to MPEG-1/2/4 qscale.
Definition at line 1127 of file avcodec.h.
Referenced by a64multi_init_encoder(), aac_encode_init(), do_video_out(), encode_init(), Faac_encode_init(), lame_window_init(), libopenjpeg_encode_init(), libschroedinger_encode_init(), libwebp_encode_init(), mp3lame_encode_init(), new_output_stream(), oggvorbis_init_encoder(), parse_ffconfig(), and vorbis_encode_init().
int AVCodecContext::compression_level |
Definition at line 1133 of file avcodec.h.
Referenced by alac_encode_init(), encode_frame(), encode_init(), flac_encode_init(), libopenjpeg_encode_init(), libopus_encode_init(), libwebp_encode_init(), mp3lame_encode_init(), print_enc_params(), and wavpack_encode_init().
int AVCodecContext::flags |
CODEC_FLAG_*.
Definition at line 1141 of file avcodec.h.
Referenced by aac_decode_init(), aac_encode_frame(), aac_encode_init(), ac3_decode_init(), add_audio_stream(), add_video_stream(), atrac1_decode_init(), atrac3_decode_init(), atrac3p_decode_init(), av_parser_change(), avcodec_string(), comp_block(), dca_decode_init(), dct_get(), decode_init(), decode_nal_units(), dnxhd_decode_macroblock(), dnxhd_encode_init(), do_video_out(), do_video_stats(), dsp_init(), dv_guess_dct_mode(), encode_frame(), encode_init(), estimate_best_b_count(), Faac_encode_init(), ff_ac3_encode_init(), ff_dct_common_init(), ff_dnxhd_find_cid(), ff_dsputil_init_pix_mmx(), ff_fmt_convert_init_arm(), ff_fmt_convert_init_ppc(), ff_fmt_convert_init_x86(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_h264_decode_seq_parameter_set(), ff_hevc_decode_nal_sps(), ff_huffyuv_common_init(), ff_mjpeg_decode_init(), ff_MPV_common_init(), ff_MPV_encode_init(), ff_twinvq_decode_init(), ff_vp56_init(), ff_wma_init(), ffm_read_header(), ffm_write_header(), ffv1_common_init(), ffv1_encode_frame(), ffv1_encode_init(), flac_write_header(), get_cox(), get_flags(), h261_decode_frame(), h264_decode_frame(), idct_put(), imc_decode_init(), init_muxer(), ipvideo_decode_init(), jpeg_put_comments(), lame_window_init(), libschroedinger_encode_init(), mimic_decode_init(), mkv_write_header(), mov_write_udta_tag(), mp3lame_encode_init(), mpeg_decode_init(), mxf_write_header(), mxf_write_identification(), new_output_stream(), new_video_stream(), ogg_write_header(), oggvorbis_init_encoder(), parse_ffconfig(), print_report(), ra288_decode_init(), remove_extradata(), render_slice(), svq1_decode_frame(), svq1_decode_init(), svq1_encode_init(), svq1_encode_plane(), svq3_decode_init(), tgq_idct_put_mb(), tgq_idct_put_mb_dconly(), tqi_idct_put(), transcode_init(), unpack_dct_coeffs(), update_context_from_user(), update_frame_pool(), validate_thread_parameters(), vble_decode_frame(), vc1_decode_init(), video_decode_example(), video_get_buffer(), vorbis_decode_init(), vorbis_encode_init(), vp3_decode_init(), vp8_encode(), vpx_init(), X264_init(), XAVS_init(), and xvid_encode_init().
int AVCodecContext::flags2 |
CODEC_FLAG2_*.
Definition at line 1148 of file avcodec.h.
Referenced by av_parser_change(), decode_nal_units(), decode_slice_header(), decode_vui(), dump_extradata(), encode_422_bitstream(), encode_bgra_bitstream(), encode_frame(), encode_gray_bitstream(), ff_h263_decode_frame(), ff_h264_decode_seq_parameter_set(), ff_hevc_decode_nal_sps(), ff_MPV_common_init(), ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), h261_decode_frame(), h264_decode_frame(), mpeg_decode_init(), remove_extradata(), stream_component_open(), update_context_from_user(), and validate_thread_parameters().
uint8_t* AVCodecContext::extradata |
some codecs need / can use extradata like Huffman tables.
mjpeg: Huffman tables rv10: additional flags mpeg4: global headers (they can be in the bitstream or here) The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger than extradata_size to avoid prolems if it is read with the bitstream reader. The bytewise contents of extradata must not depend on the architecture or CPU endianness.
Definition at line 1161 of file avcodec.h.
Referenced by a64_write_header(), a64multi_encode_frame(), a64multi_init_encoder(), aac_adtstoasc_filter(), aac_decode_frame(), aac_decode_init(), aac_encode_close(), aac_encode_init(), add_av_stream1(), adpcm_decode_init(), adpcm_encode_init(), adts_write_header(), adx_decode_init(), adx_read_header(), aiff_read_header(), alac_encode_close(), alac_encode_init(), alac_set_info(), alloc_buffers(), apc_read_header(), ape_decode_init(), ape_read_header(), ape_tag_read_field(), asf_read_stream_properties(), asfrtp_parse_sdp_line(), ass_decode_init(), ass_encode_init(), atrac3_decode_init(), av_mpeg4_decode_header(), av_parser_change(), avcodec_close(), avcodec_copy_context(), avformat_find_stream_info(), avformat_free_context(), avi_read_header(), avpriv_flac_is_extradata_valid(), avpriv_vorbis_parse_extradata(), bfi_decode_frame(), bfi_read_header(), celt_header(), cmap_read_palette(), concatenate_packet(), cook_decode_init(), cook_parse(), decode_audio_specific_config(), decode_ext_header(), decode_header_trees(), decode_init(), decode_init_thread_copy(), decode_stream_header(), dump_attachment(), dump_extradata(), dvbsub_init_decoder(), dvdsub_init(), encode_close(), encode_end(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_close(), Faac_encode_init(), fdk_aac_decode_init(), ff_generate_avci_extradata(), ff_get_wav_header(), ff_h263_decode_frame(), ff_h264_decode_extradata(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_write_packet(), ff_mp4_read_dec_config_descr(), ff_MPV_encode_end(), ff_mss12_decode_init(), ff_parse_mpeg2_descriptor(), ff_put_bmp_header(), ff_put_wav_header(), ff_rm_read_mdpr_codecdata(), ffm_read_header(), ffm_write_header(), ffv1_decode_init(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), get_aac_sample_rates(), get_attachment(), get_codec_data(), get_private_data(), get_video_private_data(), h264_extradata_to_annexb(), h264_mp4toannexb_filter(), hevc_decode_extradata(), hevc_decode_init(), hnm_decode_init(), hnm_read_header(), idcin_decode_init(), idcin_read_header(), iff_read_header(), latm_decode_audio_specific_config(), latm_decode_frame(), latm_write_frame_header(), latm_write_header(), libopus_decode_init(), libopus_encode_close(), libopus_encode_init(), libopus_write_header(), libspeex_decode_init(), matroska_parse_wavpack(), matroska_read_header(), metasound_decode_init(), mkv_write_attachments(), mkv_write_block(), mkv_write_codecprivate(), mov_create_chapter_track(), mov_finalize_stsd_codec(), mov_free(), mov_parse_stsd_data(), mov_read_dvc1(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_wave(), mov_write_extradata_tag(), mov_write_header(), mov_write_isml_manifest(), mov_write_subtitle_tag(), mov_write_tmcd_tag(), mp_decode_frame(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_pmt(), mtv_read_header(), mxf_parse_structural_metadata(), new_stream(), ogg_build_opus_headers(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_close(), oggvorbis_encode_init(), oma_read_header(), oma_write_header(), open_output_file(), opus_header(), parse_fmtp_config(), parse_media_type(), parse_mpeg1waveformatex(), parse_packed_headers(), parse_vtrk(), put_audio_specific_config(), put_wv_codecpriv(), put_xiph_codecpriv(), qdm2_decode_init(), qdm2_parse_config(), raw_init_decoder(), read_audio_mux_element(), read_extra_header(), read_gab2_sub(), read_header(), read_kuki_chunk(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), rv30_parse_slice_header(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), svq3_parse_packet(), tak_read_header(), theora_header(), transcode(), transcode_init(), tta_decode_init(), tta_read_header(), twinvq_decode_init(), utvideo_encode_init(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_init(), vorbis_header(), vqa_decode_init(), vqf_read_header(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_extradata(), write_header(), write_packet(), write_streamheader(), write_trailer(), wsvqa_read_header(), wsvqa_read_packet(), X264_close(), X264_init(), XAVS_close(), XAVS_init(), xmv_process_packet_header(), xvid_encode_close(), xvid_encode_init(), xvid_strip_vol_header(), xwma_read_header(), yop_decode_init(), and yop_read_header().
int AVCodecContext::extradata_size |
Definition at line 1162 of file avcodec.h.
Referenced by a64multi_init_encoder(), aac_adtstoasc_filter(), aac_decode_frame(), aac_decode_init(), aac_encode_init(), add_av_stream1(), adpcm_decode_init(), adpcm_encode_init(), adts_write_header(), adx_decode_init(), adx_read_header(), aiff_read_header(), alac_decode_init(), alac_encode_close(), alac_encode_init(), alac_set_info(), apc_read_header(), ape_decode_init(), ape_read_header(), ape_tag_read_field(), asf_read_stream_properties(), asf_write_header1(), asfrtp_parse_sdp_line(), ass_decode_init(), ass_encode_init(), atrac3_decode_init(), av_mpeg4_decode_header(), av_parser_change(), avcodec_copy_context(), avcodec_open2(), avformat_find_stream_info(), avi_read_header(), avpriv_flac_is_extradata_valid(), avpriv_vorbis_parse_extradata(), bfi_decode_frame(), bfi_read_header(), celt_header(), cmap_read_palette(), concatenate_packet(), cook_decode_init(), cook_parse(), decode_audio_specific_config(), decode_ext_header(), decode_header_trees(), decode_init(), decode_init_thread_copy(), decode_stream_header(), dump_attachment(), dump_extradata(), dvbsub_init_decoder(), dvdsub_init(), encode_close(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_init(), fdk_aac_decode_init(), ff_generate_avci_extradata(), ff_get_wav_header(), ff_h263_decode_frame(), ff_h264_decode_extradata(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_write_packet(), ff_mp4_read_dec_config_descr(), ff_mss12_decode_init(), ff_parse_mpeg2_descriptor(), ff_put_bmp_header(), ff_put_wav_header(), ff_rtp_send_aac(), ff_rtp_send_latm(), ffm_read_header(), ffm_write_header(), flac_encode_close(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), get_aac_sample_rates(), get_attachment(), get_codec_data(), get_private_data(), get_video_private_data(), h264_extradata_to_annexb(), h264_mp4toannexb_filter(), h264_parse(), hevc_decode_extradata(), hevc_decode_init(), hnm_decode_init(), hnm_read_header(), idcin_decode_init(), idcin_read_header(), iff_read_header(), latm_decode_audio_specific_config(), latm_decode_frame(), latm_decode_init(), latm_write_frame_header(), latm_write_header(), libopus_decode_init(), libopus_encode_init(), libspeex_decode_init(), m4sl_cb(), matroska_read_header(), metasound_decode_init(), mkv_write_attachments(), mkv_write_block(), mkv_write_codecprivate(), mov_create_chapter_track(), mov_finalize_stsd_codec(), mov_parse_stsd_data(), mov_read_dvc1(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_trak(), mov_read_wave(), mov_write_extradata_tag(), mov_write_header(), mov_write_isml_manifest(), mov_write_subtitle_tag(), mov_write_tmcd_tag(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_header(), mpegts_write_pmt(), mtv_read_header(), mxf_parse_structural_metadata(), new_stream(), ogg_build_opus_headers(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_init(), oma_read_header(), oma_write_header(), open_output_file(), opus_header(), parse_fmtp_config(), parse_media_type(), parse_packed_headers(), parse_vtrk(), put_audio_specific_config(), put_wv_codecpriv(), put_xiph_codecpriv(), qdm2_decode_init(), qdm2_parse_config(), raw_init_decoder(), read_extra_header(), read_header(), read_kuki_chunk(), read_packet(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), rv30_parse_slice_header(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), svq3_parse_packet(), tak_read_header(), theora_header(), transcode_init(), tta_decode_init(), tta_read_header(), twinvq_decode_init(), utvideo_encode_init(), vc1_decode_init(), vc1t_read_header(), vfw_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vqa_decode_init(), vqf_read_header(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_extradata(), write_header(), write_packet(), write_streamheader(), write_trailer(), wsvqa_read_header(), wsvqa_read_packet(), X264_init(), XAVS_init(), xmv_process_packet_header(), xvid_encode_init(), xvid_strip_vol_header(), xwma_read_header(), yop_decode_init(), and yop_read_header().
AVRational AVCodecContext::time_base |
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
For fixed-fps content, timebase should be 1/framerate and timestamp increments should be identically 1.
Definition at line 1172 of file avcodec.h.
Referenced by add_av_stream(), add_codec(), add_video_stream(), avcodec_get_context_defaults3(), avcodec_open2(), avcodec_string(), avi_write_header(), check_recording_time(), cmv_process_header(), compute_pkt_fields2(), compute_status(), dc1394_read_common(), decode_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_vol_header(), decode_vop_header(), dirac_header(), do_audio_out(), do_subtitle_out(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dvvideo_decode_frame(), encode_ext_header(), encode_init(), estimate_best_b_count(), fbdev_read_header(), ff_af_queue_add(), ff_compute_frame_duration(), ff_flv_encode_picture_header(), ff_framehash_write_header(), ff_h261_encode_picture_header(), ff_h263_decode_picture_header(), ff_h263_encode_picture_header(), ff_h263_show_pict_info(), ff_h264_decode_init(), ff_mpeg4_encode_picture_header(), ff_MPV_encode_init(), ff_MPV_encode_picture(), ff_msmpeg4_encode_ext_header(), ff_parse_specific_params(), ff_rate_control_init(), ff_rate_estimate_qscale(), ff_samples_to_time_base(), ff_set_mpeg4_time(), ff_vbv_update(), ff_xvid_rate_control_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), flush_encoders(), flv_write_header(), get_video_format_idx(), gif_write_video(), grab_read_header(), h261_decode_picture_header(), h264_slice_header_init(), init_muxer(), init_pass2(), init_pts(), libschroedinger_encode_init(), libschroedinger_handle_first_access_unit(), mkv_write_tracks(), modify_qscale(), mov_get_dv_codec_tag(), mov_write_dvc1_structs(), mov_write_header(), mov_write_uuidprof_tag(), mpeg4_encode_gop_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), mpegts_write_header(), mpegvideo_extract_headers(), mpegvideo_parse(), mxf_write_header(), ogg_write_header(), opt_target(), output_packet(), output_picture2(), parse_ffconfig(), parse_forced_key_frames(), parse_packet(), parse_source_parameters(), poll_filter(), rm_write_header(), rtp_write_header(), set_frame_distances(), set_sps(), show_stream(), swf_write_header(), tb_unreliable(), tgq_decode_init(), tgv_decode_init(), tqi_decode_init(), transcode_init(), txd_read_header(), update_context_from_thread(), vaapi_mpeg4_start_frame(), vdpau_mpeg4_start_frame(), vfw_read_header(), video_encode_example(), vpx_init(), write_trailer(), write_video_frame(), x11grab_read_header(), X264_init(), XAVS_init(), xvid_correct_framerate(), and xvid_encode_init().
int AVCodecContext::ticks_per_frame |
For some codecs, the time base is closer to the field rate than the frame rate.
Most notably, H.264 and MPEG-2 specify time_base as half of frame duration if no telecine is used ...
Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
Definition at line 1181 of file avcodec.h.
Referenced by compute_pkt_fields2(), decode_sequence_header_adv(), ff_compute_frame_duration(), ff_h264_decode_init(), mpeg_decode_postinit(), output_packet(), transcode_init(), update_context_from_thread(), vc1_extract_headers(), and vp8_encode().
int AVCodecContext::delay |
Codec delay.
Video: Number of frames the decoded output will be delayed relative to the encoded input.
Audio: For encoding, this is the number of "priming" samples added to the beginning of the stream. The decoded output will be delayed by this many samples relative to the input to the encoder. Note that this field is purely informational and does not directly affect the pts output by the encoder, which should always be based on the actual presentation time, including any delay. For decoding, this is the number of samples the decoder needs to output before the decoder's output is valid. When seeking, you should start decoding this many samples prior to your desired seek point.
Definition at line 1204 of file avcodec.h.
Referenced by aac_encode_init(), amr_wb_encode_frame(), amr_wb_encode_init(), encode_frame(), encode_init(), encode_superframe(), Faac_encode_init(), ff_ac3_encode_init(), ff_af_queue_init(), ff_MPV_encode_init(), g722_encode_init(), libopus_decode_init(), libopus_encode_init(), libopus_write_header(), mp3lame_encode_init(), MPA_encode_frame(), MPA_encode_init(), ogg_write_packet(), oggvorbis_encode_frame(), and ra144_encode_init().
int AVCodecContext::width |
picture width / height.
Definition at line 1216 of file avcodec.h.
Referenced by a64multi_encode_frame(), aasc_decode_frame(), add_av_stream(), add_codec(), add_input_streams(), add_video_stream(), aic_decode_header(), aic_decode_init(), alloc_frame_buffer(), alloc_picture(), amf_parse_object(), apply_param_change(), asf_read_stream_properties(), asf_write_header1(), aura_decode_frame(), aura_decode_init(), av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_encode_video2(), avcodec_open2(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_create_stream_video(), avpriv_dv_codec_profile(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), binkb_decode_plane(), bitline2chunky(), bitplanar2chunky(), bmp_decode_frame(), bmp_encode_frame(), bmv_read_header(), cdg_decode_init(), cdxl_decode_frame(), cdxl_decode_ham6(), cdxl_decode_ham8(), cdxl_read_packet(), cin_read_header(), cinepak_decode(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), compute_status(), configure_input_video_filter(), configure_output_video_filter(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_frame_byterun1(), decode_frame_header(), decode_frame_ilbm(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_frame(), decode_picture_header(), decode_seq_header(), decode_sequence_header_adv(), decode_stream_header(), decode_update_thread_context(), dfa_decode_frame(), dfa_decode_init(), dfa_read_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_mb_var_thread(), dnxhd_write_header(), do_video_stats(), draw_char(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvvideo_init_encoder(), dxa_read_header(), dxtory_decode_v1_410(), dxtory_decode_v1_420(), dxtory_decode_v1_444(), dxtory_decode_v1_rgb(), dxtory_decode_v2_410(), dxtory_decode_v2_420(), dxtory_decode_v2_444(), dxtory_decode_v2_565(), dxtory_decode_v2_rgb(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), encode_rgb48_10bit(), encode_slice(), erase_screen(), escape124_decode_frame(), escape124_decode_init(), escape130_decode_frame(), escape130_decode_init(), estimate_best_b_count(), execute_code(), fbdev_read_header(), ff_asv_common_init(), ff_ccitt_unpack(), ff_create_schro_frame(), ff_dnxhd_find_cid(), ff_flac_parse_picture(), ff_generate_avci_extradata(), ff_get_bmp_header(), ff_get_buffer(), ff_huffyuv_common_init(), ff_mjpeg_encode_picture_header(), ff_mpeg_update_thread_context(), ff_MPV_encode_init(), ff_mss12_decode_init(), ff_pnm_decode_header(), ff_put_bmp_header(), ff_rm_read_mdpr_codecdata(), ff_rtp_send_jpeg(), ff_rv34_decode_init(), ff_sauce_read(), ff_set_dimensions(), ff_vc1_decode_entry_point(), ff_vc1_decode_sequence_header(), ffm_read_header(), ffm_write_header(), ffv1_common_init(), ffv1_encode_frame(), ffv1_init_slice_contexts(), fic_decode_init(), fill_picture_parameters(), film_read_header(), find_slice_quant(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flv_write_packet(), g2m_decode_frame(), get_siz(), get_video_format_idx(), gif_encode_frame(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), handle_file(), has_codec_parameters(), hnm_decode_init(), hnm_read_header(), hscroll(), idcin_decode_vlcs(), idcin_read_header(), idct_put(), iff_read_header(), img_read_header(), img_read_packet(), init_bundles(), init_dimensions(), init_image(), init_muxer(), inter_recon(), ipmovie_read_header(), ipvideo_decode_frame(), ipvideo_decode_opcodes(), ir2_decode_frame(), ivf_write_header(), lag_decode_arith_plane(), lag_decode_frame(), libopenjpeg_copy_packed16(), libopenjpeg_copy_packed8(), libopenjpeg_copy_unpacked16(), libopenjpeg_copy_unpacked8(), libopenjpeg_create_image(), libopenjpeg_encode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libwebp_encode_frame(), ljpeg_encode_frame(), ljpeg_encode_init(), ljpeg_encode_yuv(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_intra(), motion_compensation(), mov_get_dv_codec_tag(), mov_parse_stsd_subtitle(), mov_parse_stsd_video(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_isml_manifest(), mov_write_tapt_tag(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mov_write_video_tag(), movie_init(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_decode_line(), mp_read_changes_map(), mpegvideo_extract_headers(), msrle_decode_frame(), msrle_decode_pal4(), mss1_decode_frame(), mss2_decode_frame(), mss3_decode_frame(), mss3_decode_init(), mss4_decode_frame(), mss4_decode_init(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_output_file(), open_video(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), parse_picture_segment(), parse_presentation_segment(), parse_vtrk(), pcx_encode_frame(), pmp_header(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), print_report(), qtrle_encode_frame(), qtrle_encode_init(), qtrle_encode_line(), queue_picture(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), rawvideo_read_header(), rawvideo_read_packet(), read_argb_line(), read_frame(), read_header(), read_packet(), read_rgb24_component_line(), read_seek(), read_yuv_component_line(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), set_sps(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), smjpeg_write_header(), sp5x_decode_frame(), str_read_packet(), sunrast_encode_init(), sunrast_image_write_header(), sunrast_image_write_image(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tm2_decode_blocks(), tm2_motion_block(), tmv_decode_frame(), tmv_read_header(), to_meta_with_crop(), tqi_decode_frame(), transcode_init(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), truemotion1_decode_init(), tscc2_decode_init(), ulti_decode_init(), update_context_from_thread(), update_dimensions(), update_size(), utvideo_encode_frame(), utvideo_encode_init(), v410_decode_frame(), v410_decode_init(), v410_encode_frame(), v410_encode_init(), v4l2_read_header(), vb_decode_framedata(), vble_decode_frame(), vble_decode_init(), vc1_decode_frame(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vcr1_decode_frame(), vcr1_decode_init(), vfw_read_header(), video_decode_example(), video_encode_example(), video_open(), video_thread(), vmd_decode(), vp3_decode_init(), vp8_decode(), vpx_init(), wc3_read_header(), write_manifest(), write_packet(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_chroma(), xan_decode_frame_type0(), xan_decode_frame_type1(), xan_decode_init(), xan_wc3_copy_pixel_run(), xan_wc3_decode_frame(), xan_wc3_output_pixel_run(), XAVS_init(), xbm_encode_frame(), xiph_parse_fmtp_pair(), xmv_read_header(), xvid_encode_frame(), xvid_encode_init(), xwd_decode_frame(), xwd_encode_frame(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_read_header(), yuv4_read_packet(), zerocodec_decode_frame(), and zmbv_me().
int AVCodecContext::height |
Definition at line 1216 of file avcodec.h.
Referenced by a64multi_encode_frame(), aasc_decode_frame(), add_av_stream(), add_codec(), add_input_streams(), add_video_stream(), aic_decode_header(), aic_decode_init(), alloc_frame_buffer(), alloc_picture(), amf_parse_object(), apply_param_change(), asf_read_stream_properties(), asf_write_header1(), aura_decode_frame(), av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_encode_video2(), avcodec_open2(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_create_stream_video(), avpriv_dv_codec_profile(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), binkb_decode_plane(), bitline2chunky(), bitplanar2chunky(), bmp_decode_frame(), bmp_encode_frame(), bmv_read_header(), cdg_decode_frame(), cdg_decode_init(), cdxl_decode_frame(), cdxl_decode_ham6(), cdxl_decode_ham8(), cdxl_read_packet(), cin_read_header(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), compute_status(), configure_input_video_filter(), configure_output_video_filter(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_argb_frame(), decode_frame(), decode_frame_byterun1(), decode_frame_header(), decode_frame_ilbm(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_block(), decode_p_frame(), decode_picture_header(), decode_rgb24_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_stream_header(), decode_update_thread_context(), decode_yuv_frame(), dfa_decode_frame(), dfa_decode_init(), dfa_read_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_get_blocks(), dnxhd_mb_var_thread(), dnxhd_write_header(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvvideo_init_encoder(), dxa_read_header(), dxtory_decode_v1_410(), dxtory_decode_v1_420(), dxtory_decode_v1_444(), dxtory_decode_v1_rgb(), dxtory_decode_v2_410(), dxtory_decode_v2_420(), dxtory_decode_v2_444(), dxtory_decode_v2_565(), dxtory_decode_v2_rgb(), dxva2_h264_end_frame(), dxva2_mpeg2_end_frame(), dxva2_vc1_end_frame(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), encode_rgb48_10bit(), encode_slice(), erase_screen(), escape124_decode_init(), escape130_decode_frame(), escape130_decode_init(), estimate_best_b_count(), execute_code(), fbdev_read_header(), ff_asv_common_init(), ff_create_schro_frame(), ff_dnxhd_find_cid(), ff_draw_horiz_band(), ff_flac_parse_picture(), ff_get_bmp_header(), ff_get_buffer(), ff_h264_draw_horiz_band(), ff_huffyuv_common_init(), ff_mjpeg_decode_sof(), ff_mjpeg_encode_picture_header(), ff_mpeg_update_thread_context(), ff_MPV_encode_init(), ff_MPV_frame_start(), ff_mss12_decode_init(), ff_pnm_decode_header(), ff_put_bmp_header(), ff_rm_read_mdpr_codecdata(), ff_rtp_send_jpeg(), ff_rv34_decode_init(), ff_sauce_read(), ff_set_dimensions(), ff_vaapi_mpeg_end_frame(), ff_vc1_decode_entry_point(), ff_vc1_decode_sequence_header(), ffm_read_header(), ffm_write_header(), ffv1_common_init(), ffv1_encode_frame(), ffv1_init_slice_contexts(), fic_decode_frame(), fic_decode_init(), fill_picture_parameters(), film_read_header(), find_slice_quant(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flip(), flv_write_packet(), g2m_decode_frame(), get_siz(), get_video_format_idx(), gif_encode_frame(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), gxf_find_lines_index(), gxf_write_header(), gxf_write_mpeg_auxiliary(), handle_file(), hnm_decode_init(), hnm_read_header(), hscroll(), idcin_decode_vlcs(), idcin_read_header(), iff_read_header(), img_read_header(), img_read_packet(), import_format(), init_bundles(), init_dimensions(), init_image(), init_muxer(), inter_recon(), ipmovie_read_header(), ipvideo_decode_frame(), ipvideo_decode_opcodes(), ir2_decode_frame(), ivf_write_header(), lag_decode_frame(), libopenjpeg_copy_packed16(), libopenjpeg_copy_packed8(), libopenjpeg_copy_unpacked16(), libopenjpeg_copy_unpacked8(), libopenjpeg_create_image(), libopenjpeg_encode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libwebp_encode_frame(), ljpeg_encode_frame(), ljpeg_encode_yuv(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_inter(), mm_decode_intra(), motion_compensation(), mov_get_dv_codec_tag(), mov_parse_stsd_subtitle(), mov_parse_stsd_video(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_isml_manifest(), mov_write_tapt_tag(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), movie_init(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_read_changes_map(), mpegvideo_extract_headers(), msrle_decode_8_16_24_32(), msrle_decode_frame(), msrle_decode_pal4(), mss1_decode_frame(), mss2_decode_frame(), mss2_decode_init(), mss3_decode_frame(), mss3_decode_init(), mss4_decode_frame(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_output_file(), open_video(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), parse_picture_segment(), parse_presentation_segment(), parse_vtrk(), pcx_encode_frame(), pmp_header(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), prepare_avpic(), print_report(), qtrle_decode_16bpp(), qtrle_decode_1bpp(), qtrle_decode_24bpp(), qtrle_decode_2n4bpp(), qtrle_decode_32bpp(), qtrle_decode_8bpp(), qtrle_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), queue_picture(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), rawvideo_read_header(), rawvideo_read_packet(), read_frame(), read_header(), read_packet(), read_seek(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), set_sps(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), smjpeg_write_header(), sp5x_decode_frame(), str_read_packet(), sunrast_encode_init(), sunrast_image_write_header(), sunrast_image_write_image(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_frame(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tm2_motion_block(), tmv_decode_frame(), tmv_read_header(), to_meta_with_crop(), tqi_decode_frame(), transcode_init(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), tscc2_decode_init(), ulti_decode_init(), update_context_from_thread(), update_dimensions(), update_size(), utvideo_encode_frame(), utvideo_encode_init(), v410_decode_frame(), v410_encode_frame(), v4l2_read_header(), vaapi_h264_end_frame(), vb_decode_framedata(), vble_decode_frame(), vble_decode_init(), vc1_decode_frame(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vcr1_decode_frame(), vdpau_h264_end_frame(), vfw_read_header(), video_decode_example(), video_encode_example(), video_open(), video_thread(), vmd_decode(), vp3_decode_init(), vp3_draw_horiz_band(), vp8_decode(), vpx_init(), wc3_read_header(), write_manifest(), write_packet(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_chroma(), xan_decode_frame(), xan_decode_frame_type0(), xan_decode_frame_type1(), xan_decode_init(), xan_wc3_copy_pixel_run(), xan_wc3_decode_frame(), XAVS_init(), xbm_encode_frame(), xiph_parse_fmtp_pair(), xmv_read_header(), xvid_encode_frame(), xvid_encode_init(), xwd_decode_frame(), xwd_encode_frame(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_read_header(), yuv4_read_packet(), zerocodec_decode_frame(), and zmbv_me().
int AVCodecContext::coded_width |
Bitstream width / height, may be different from width/height e.g.
when the decoded frame is cropped before being output.
Definition at line 1226 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open2(), decode_init(), decode_sequence_header_adv(), decode_slice_header(), decode_update_thread_context(), ff_get_buffer(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mpeg_update_thread_context(), ff_mss12_decode_init(), ff_set_dimensions(), ff_vc1_decode_entry_point(), ff_vc1_decode_sequence_header(), h261_decode_frame(), h261_decode_init(), init_dimensions(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), set_sps(), sp5x_decode_frame(), update_context_from_thread(), update_dimensions(), vaapi_vc1_start_frame(), vc1_decode_frame(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_chroma4(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vdpau_init(), verify_md5(), and vp56_size_changed().
int AVCodecContext::coded_height |
Definition at line 1226 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open2(), decode_init(), decode_sequence_header_adv(), decode_slice_header(), decode_update_thread_context(), ff_get_buffer(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), ff_mpeg_update_thread_context(), ff_mss12_decode_init(), ff_set_dimensions(), ff_vc1_decode_entry_point(), ff_vc1_decode_sequence_header(), h261_decode_frame(), h261_decode_init(), init_dimensions(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), set_sps(), sp5x_decode_frame(), update_context_from_thread(), update_dimensions(), vaapi_vc1_start_frame(), vc1_decode_frame(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_chroma4(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vdpau_init(), verify_md5(), and vp56_size_changed().
int AVCodecContext::gop_size |
the number of pictures in a group of pictures, or 0 for intra_only
Definition at line 1237 of file avcodec.h.
Referenced by add_av_stream(), add_video_stream(), encode_init(), ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), ffv1_encode_frame(), flashsv_encode_frame(), libschroedinger_encode_init(), mxf_get_mpeg2_codec_ul(), parse_ffconfig(), qtrle_encode_frame(), roq_encode_frame(), svq1_encode_frame(), video_encode_example(), vpx_init(), X264_init(), XAVS_init(), and xvid_encode_init().
enum AVPixelFormat AVCodecContext::pix_fmt |
Pixel format, see AV_PIX_FMT_xxx.
May be set by the demuxer if known from headers. May be overriden by the decoder if it knows better.
Definition at line 1246 of file avcodec.h.
Referenced by aasc_decode_init(), add_input_streams(), add_video_stream(), aic_decode_init(), alloc_frame_buffer(), alloc_picture(), aura_decode_init(), avcodec_align_dimensions(), avcodec_align_dimensions2(), avcodec_decode_video2(), avcodec_get_context_defaults3(), avcodec_open2(), avcodec_string(), avisynth_create_stream_video(), avpriv_dv_codec_profile(), avs_decode_init(), bethsoftvid_decode_init(), bfi_decode_init(), bfi_read_header(), bmp_decode_frame(), bmp_encode_frame(), bmp_encode_init(), bmv_read_header(), cdg_decode_init(), cdxl_decode_frame(), cinepak_decode_init(), cinvideo_decode_init(), cllc_decode_frame(), cmv_decode_init(), configure_input_video_filter(), cyuv_decode_init(), dc1394_read_common(), decode_frame(), decode_frame_byterun1(), decode_frame_header(), decode_frame_ilbm(), decode_init(), decode_plane(), decode_slice(), decode_slice_header(), decode_wmv9(), dfa_decode_init(), dnxhd_decode_header(), dnxhd_encode_init(), dv_extract_video_info(), dvvideo_decode_frame(), dvvideo_encode_frame(), dvvideo_init_encoder(), dxtory_decode_v1_410(), dxtory_decode_v1_420(), dxtory_decode_v1_444(), dxtory_decode_v1_rgb(), dxtory_decode_v2_410(), dxtory_decode_v2_420(), dxtory_decode_v2_444(), dxtory_decode_v2_565(), dxtory_decode_v2_rgb(), encode_frame(), encode_init(), encode_init_ls(), encode_picture_ls(), encode_rgb48_10bit(), encode_slice(), escape124_decode_init(), escape130_decode_init(), estimate_best_b_count(), fbdev_read_header(), ff_cavs_init(), ff_create_schro_frame(), ff_draw_horiz_band(), ff_find_hwaccel(), ff_get_buffer(), ff_h263_decode_init(), ff_h264_draw_horiz_band(), ff_mjpeg_decode_sof(), ff_mjpeg_encode_picture_header(), ff_MPV_common_init(), ff_MPV_encode_init(), ff_MPV_frame_start(), ff_pnm_decode_header(), ff_rtp_send_jpeg(), ff_rv34_decode_init(), ff_vp56_init(), ff_vp8_decode_init(), ffm_read_header(), ffm_write_header(), ffv1_decode_frame(), ffv1_encode_init(), fic_decode_init(), film_read_header(), flashsv_decode_init(), flic_decode_frame(), flic_decode_init(), frame_end(), g2m_decode_init(), get_siz(), gif_decode_frame(), gif_write_header(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), gxf_write_umf_media_mpeg(), h261_decode_init(), h264_slice_header_init(), has_codec_parameters(), hnm_decode_init(), idcin_decode_init(), img_read_header(), init_decoder(), init_image(), ipvideo_decode_init(), ir2_decode_init(), jpeg_put_comments(), lag_decode_arith_plane(), lag_decode_frame(), lag_pred_line(), libopenjpeg_create_image(), libopenjpeg_decode_frame(), libopenjpeg_encode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libwebp_encode_frame(), ljpeg_encode_frame(), ljpeg_encode_init(), load_input_picture(), mimic_decode_frame(), mm_decode_init(), mov_get_dv_codec_tag(), mov_get_rawvideo_codec_tag(), mp_decode_init(), msrle_decode_init(), mss1_decode_init(), mss2_decode_frame(), mss2_decode_init(), mss3_decode_init(), mss4_decode_init(), msvideo1_decode_8bit(), msvideo1_decode_init(), mtv_read_header(), mxf_parse_structural_metadata(), new_video_stream(), open_video(), pam_encode_frame(), parse_source_parameters(), pcx_decode_frame(), pcx_encode_frame(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), ptx_decode_frame(), qtrle_decode_init(), qtrle_encode_frame(), qtrle_encode_init(), query_formats(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), rawvideo_read_header(), rawvideo_read_packet(), read_header(), rl2_decode_init(), roq_decode_frame(), roq_decode_init(), rpza_decode_init(), rv10_decode_init(), seqvideo_decode_init(), set_chroma_format(), set_sps(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_init(), sunrast_decode_frame(), sunrast_encode_init(), svq1_decode_init(), svq1_encode_frame(), svq3_decode_init(), targa_encode_frame(), tgq_decode_init(), tgv_decode_init(), tmv_decode_init(), tmv_read_header(), tqi_decode_init(), transcode_init(), truemotion1_decode_header(), tscc2_decode_init(), txd_decode_frame(), ulti_decode_init(), update_context_from_thread(), update_frame_pool(), utvideo_encode_frame(), utvideo_encode_init(), v410_decode_init(), v4l2_read_header(), vble_decode_init(), vc1_decode_init(), vcr1_decode_init(), vcr2_init_sequence(), vfw_read_header(), video_encode_example(), video_get_buffer(), vmdvideo_decode_init(), vp3_decode_init(), vp8_decode(), vp8_lossless_decode_frame(), vp8_lossy_decode_frame(), vp9_decode_init(), vpx_init(), vqa_decode_init(), write_header(), write_video_frame(), x11grab_read_header(), X264_init(), xan_decode_init(), xiph_parse_fmtp_pair(), xvid_encode_frame(), xwd_decode_frame(), xwd_encode_frame(), yop_decode_init(), yuv4_read_header(), yuv4_read_packet(), and zerocodec_decode_init().
int AVCodecContext::me_method |
Motion estimation algorithm used for video coding.
1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), 8 (umh), 10 (tesa) [7, 8, 10 are x264 specific]
Definition at line 1255 of file avcodec.h.
Referenced by add_codec(), ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), svq1_encode_plane(), X264_init(), XAVS_init(), and xvid_encode_init().
void(* AVCodecContext::draw_horiz_band)(struct AVCodecContext *s, const AVFrame *src, int offset[AV_NUM_DATA_POINTERS], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band.
It improves cache usage. Not all codecs can do that. You must check the codec capabilities beforehand. When multithreading is used, it may be called from multiple threads at the same time; threads might draw different parts of the same AVFrame, or multiple AVFrames, and there is no guarantee that slices will be drawn in order. The function is also used by hardware acceleration APIs. It is called at least once during frame decoding to pass the data needed for hardware render. In that mode instead of pixel data, AVFrame points to a structure specific to the acceleration API. The application reads the structure and can change some fields to indicate progress or mark state.
height | the height of the slice |
y | the y position of the slice |
type | 1->top field, 2->bottom field, 3->frame |
offset | offset into the AVFrame.data from which the slice should be read |
Definition at line 1280 of file avcodec.h.
Referenced by draw_slice(), ff_draw_horiz_band(), ff_h264_draw_horiz_band(), ff_init_block_index(), MPV_decode_mb_internal(), update_context_from_user(), and vp3_draw_horiz_band().
enum AVPixelFormat(* AVCodecContext::get_format)(struct AVCodecContext *s, const enum AVPixelFormat *fmt) |
callback to negotiate the pixelFormat
fmt | is the list of formats which are supported by the codec, it is terminated by -1 as 0 is a valid format, the formats are ordered by quality. The first is always the native one. |
Definition at line 1293 of file avcodec.h.
Referenced by avcodec_get_context_defaults3(), decode_init(), ff_h263_decode_init(), get_pixel_format(), init_input_stream(), mpeg_get_pixelformat(), and vc1_decode_init().
int AVCodecContext::max_b_frames |
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input.
Definition at line 1301 of file avcodec.h.
Referenced by add_video_stream(), compute_pkt_fields2(), decode_sequence_header_adv(), estimate_best_b_count(), ff_MPV_encode_init(), ff_vc1_decode_sequence_header(), ff_vc1_parse_frame_header(), ffm_read_header(), ffm_write_header(), vaapi_vc1_start_frame(), vc1_decode_init(), video_encode_example(), wmv9_init(), X264_init(), XAVS_frame(), XAVS_init(), and xvid_encode_init().
float AVCodecContext::b_quant_factor |
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1310 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), X264_init(), XAVS_init(), and xvid_encode_init().
int AVCodecContext::rc_strategy |
obsolete FIXME remove
Definition at line 1313 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_rate_control_uninit(), and ff_rate_estimate_qscale().
int AVCodecContext::b_frame_strategy |
Definition at line 1316 of file avcodec.h.
Referenced by ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), select_input_picture(), X264_init(), and XAVS_init().
float AVCodecContext::b_quant_offset |
qscale offset between IP and B-frames
Definition at line 1323 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), and xvid_encode_init().
int AVCodecContext::has_b_frames |
Size of the frame reordering buffer in the decoder.
For MPEG-2 it is 1 IPB or 0 low delay IP.
Definition at line 1331 of file avcodec.h.
Referenced by compute_pkt_fields(), compute_pkt_fields2(), decode_postinit(), decode_stream_header(), dirac_combine_frame(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mpeg4_decode_picture_header(), ff_MPV_encode_init(), ff_rv34_decode_init(), h264_parse(), h264_set_parameter_from_sps(), init_input_stream(), libschroedinger_decode_frame(), libschroedinger_encode_init(), mov_build_index(), mpeg_decode_postinit(), mpegvideo_extract_headers(), mxf_get_mpeg2_codec_ul(), rv10_decode_init(), set_sps(), show_stream(), svq3_decode_init(), transcode_init(), update_context_from_thread(), update_initial_durations(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), write_streamheader(), X264_init(), XAVS_frame(), and XAVS_init().
int AVCodecContext::mpeg_quant |
0-> h263 quant 1-> mpeg quant
Definition at line 1338 of file avcodec.h.
Referenced by ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), and xvid_encode_init().
float AVCodecContext::i_quant_factor |
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1347 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), X264_init(), and XAVS_init().
float AVCodecContext::i_quant_offset |
qscale offset between P and I-frames
Definition at line 1354 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), and get_qscale().
float AVCodecContext::lumi_masking |
luminance masking (0-> disabled)
Definition at line 1361 of file avcodec.h.
Referenced by adaptive_quantization(), ff_MPV_encode_init(), parse_ffconfig(), and xvid_encode_init().
float AVCodecContext::temporal_cplx_masking |
temporary complexity masking (0-> disabled)
Definition at line 1368 of file avcodec.h.
Referenced by adaptive_quantization(), and ff_MPV_encode_init().
float AVCodecContext::spatial_cplx_masking |
spatial complexity masking (0-> disabled)
Definition at line 1375 of file avcodec.h.
Referenced by adaptive_quantization(), and ff_MPV_encode_init().
float AVCodecContext::p_masking |
p block masking (0-> disabled)
Definition at line 1382 of file avcodec.h.
Referenced by adaptive_quantization(), and ff_MPV_encode_init().
float AVCodecContext::dark_masking |
darkness masking (0-> disabled)
Definition at line 1389 of file avcodec.h.
Referenced by adaptive_quantization(), ff_MPV_encode_init(), and parse_ffconfig().
int AVCodecContext::slice_count |
slice count
Definition at line 1396 of file avcodec.h.
Referenced by ff_rv34_decode_frame(), get_slice_offset(), rv10_decode_frame(), and update_context_from_user().
int AVCodecContext::prediction_method |
prediction method (needed for huffyuv)
Definition at line 1402 of file avcodec.h.
Referenced by encode_init(), encode_picture_ls(), ff_mjpeg_encode_picture_header(), ljpeg_encode_bgr(), ljpeg_encode_yuv(), png_enc_init(), and utvideo_encode_init().
int* AVCodecContext::slice_offset |
slice offsets in the frame in bytes
Definition at line 1412 of file avcodec.h.
Referenced by avcodec_copy_context(), ff_frame_thread_free(), get_slice_offset(), and update_context_from_user().
AVRational AVCodecContext::sample_aspect_ratio |
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
Definition at line 1421 of file avcodec.h.
Referenced by add_av_stream1(), avcodec_decode_video2(), avcodec_get_context_defaults3(), avcodec_string(), configure_input_video_filter(), decode_frame(), decode_sequence_header_adv(), decode_vol_header(), dump_stream_format(), dv_write_pack(), dvvideo_decode_frame(), encode_frame(), encode_init(), ff_get_buffer(), ff_h263_decode_picture_header(), ff_h263_encode_picture_header(), ff_intel_h263_decode_picture_header(), ff_MPV_encode_init(), h264_slice_header_init(), init_muxer(), jpeg_put_comments(), mjpeg_decode_app(), mov_write_pasp_tag(), mov_write_tapt_tag(), mov_write_video_tag(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), new_video_stream(), parse_source_parameters(), poll_filter(), set_sps(), show_stream(), transcode_init(), truemotion1_decode_header(), update_context_from_thread(), video_image_display(), X264_frame(), X264_init(), XAVS_init(), and xvid_encode_frame().
int AVCodecContext::me_cmp |
motion estimation comparison function
Definition at line 1428 of file avcodec.h.
Referenced by estimate_best_b_count(), estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), ffm_read_header(), ffm_write_header(), hpel_motion_search(), qpel_motion_search(), X264_init(), and XAVS_init().
int AVCodecContext::me_sub_cmp |
subpixel motion estimation comparison function
Definition at line 1434 of file avcodec.h.
Referenced by direct_search(), estimate_best_b_count(), estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), hpel_motion_search(), and qpel_motion_search().
int AVCodecContext::mb_cmp |
macroblock comparison function (not supported yet)
Definition at line 1440 of file avcodec.h.
Referenced by check_bidir_mv(), direct_search(), estimate_best_b_count(), estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), interlaced_search(), and sse_mb().
int AVCodecContext::ildct_cmp |
interlaced DCT comparison function
Definition at line 1446 of file avcodec.h.
Referenced by encode_mb_internal(), ff_dvvideo_init(), and ff_MPV_encode_init().
int AVCodecContext::dia_size |
ME diamond size & shape.
Definition at line 1467 of file avcodec.h.
Referenced by estimate_motion_thread(), ff_init_me(), and svq1_encode_plane().
int AVCodecContext::last_predictor_count |
amount of previous MV predictors (2a+1 x 2a+1 square)
Definition at line 1474 of file avcodec.h.
Referenced by epzs_motion_search_internal().
int AVCodecContext::pre_me |
prepass for motion estimation
Definition at line 1481 of file avcodec.h.
Referenced by encode_picture().
int AVCodecContext::me_pre_cmp |
motion estimation prepass comparison function
Definition at line 1488 of file avcodec.h.
Referenced by ff_init_me(), and ff_pre_estimate_p_frame_motion().
int AVCodecContext::pre_dia_size |
ME prepass diamond size & shape.
Definition at line 1495 of file avcodec.h.
Referenced by ff_init_me(), and pre_estimate_motion_thread().
int AVCodecContext::me_subpel_quality |
subpel ME quality
Definition at line 1502 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), qpel_motion_search(), X264_init(), and XAVS_init().
int AVCodecContext::dtg_active_format |
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set.
Definition at line 1512 of file avcodec.h.
Referenced by mpeg_decode_user_data(), and update_context_from_thread().
int AVCodecContext::me_range |
maximum motion estimation search range in subpel units If 0 then no limit.
Definition at line 1528 of file avcodec.h.
Referenced by encode_init(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), get_limits(), mpeg1_encode_sequence_header(), X264_init(), and XAVS_init().
int AVCodecContext::intra_quant_bias |
intra quantizer bias
Definition at line 1535 of file avcodec.h.
Referenced by dnxhd_encode_init(), and ff_MPV_encode_init().
int AVCodecContext::inter_quant_bias |
inter quantizer bias
Definition at line 1543 of file avcodec.h.
Referenced by ff_MPV_encode_init().
int AVCodecContext::slice_flags |
slice flags
Definition at line 1550 of file avcodec.h.
Referenced by ff_draw_horiz_band(), ff_h264_draw_horiz_band(), mpeg_field_start(), and update_context_from_user().
int AVCodecContext::mb_decision |
macroblock decision mode
Definition at line 1570 of file avcodec.h.
Referenced by add_video_stream(), avcodec_string(), clip_coeffs(), dnxhd_calc_bits_thread(), dnxhd_encode_picture(), dnxhd_init_rc(), encode_mb_hq(), encode_thread(), estimate_best_b_count(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), MPV_decode_mb_internal(), parse_ffconfig(), and xvid_encode_init().
uint16_t* AVCodecContext::intra_matrix |
custom intra quantization matrix
Definition at line 1580 of file avcodec.h.
Referenced by avcodec_copy_context(), ff_MPV_encode_init(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), new_video_stream(), and xvid_encode_init().
uint16_t* AVCodecContext::inter_matrix |
custom inter quantization matrix
Definition at line 1587 of file avcodec.h.
Referenced by avcodec_copy_context(), ff_MPV_encode_init(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), new_video_stream(), and xvid_encode_init().
int AVCodecContext::scenechange_threshold |
scene change detection threshold 0 is default, larger means fewer detected scene changes.
Definition at line 1595 of file avcodec.h.
Referenced by encode_picture(), ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), X264_init(), and XAVS_init().
int AVCodecContext::noise_reduction |
noise reduction strength
Definition at line 1602 of file avcodec.h.
Referenced by ff_MPV_encode_init(), frame_start(), init_duplicate_context(), merge_context_after_encode(), update_noise_reduction(), vpx_init(), X264_init(), and XAVS_init().
int AVCodecContext::me_threshold |
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used.
Definition at line 1611 of file avcodec.h.
Referenced by do_video_out().
int AVCodecContext::mb_threshold |
Macroblock threshold below which the user specified macroblock types will be used.
Definition at line 1618 of file avcodec.h.
Referenced by ff_MPV_encode_init(), and vpx_init().
int AVCodecContext::intra_dc_precision |
precision of the intra DC coefficient - 8
Definition at line 1625 of file avcodec.h.
Referenced by ff_MPV_encode_init(), ffm_read_header(), ffm_write_header(), and new_video_stream().
int AVCodecContext::skip_top |
Number of macroblock rows at the top which are skipped.
Definition at line 1632 of file avcodec.h.
Referenced by ff_er_add_slice(), and ff_er_frame_end().
int AVCodecContext::skip_bottom |
Number of macroblock rows at the bottom which are skipped.
Definition at line 1639 of file avcodec.h.
Referenced by decode_chunks(), and ff_er_frame_end().
float AVCodecContext::border_masking |
Border processing masking, raises the quantizer for mbs on the borders of the picture.
Definition at line 1647 of file avcodec.h.
Referenced by adaptive_quantization(), and ff_MPV_encode_init().
int AVCodecContext::mb_lmin |
minimum MB lagrange multipler
Definition at line 1654 of file avcodec.h.
Referenced by adaptive_quantization().
int AVCodecContext::mb_lmax |
maximum MB lagrange multipler
Definition at line 1661 of file avcodec.h.
Referenced by adaptive_quantization().
int AVCodecContext::me_penalty_compensation |
Definition at line 1668 of file avcodec.h.
Referenced by encode_picture().
int AVCodecContext::bidir_refine |
Definition at line 1675 of file avcodec.h.
Referenced by bidir_refine().
int AVCodecContext::brd_scale |
Definition at line 1682 of file avcodec.h.
Referenced by estimate_best_b_count(), and ff_MPV_encode_init().
int AVCodecContext::keyint_min |
minimum GOP size
Definition at line 1689 of file avcodec.h.
Referenced by encode_init(), ffm_read_header(), ffm_write_header(), vpx_init(), X264_init(), and XAVS_init().
int AVCodecContext::refs |
number of reference frames
Definition at line 1696 of file avcodec.h.
Referenced by decode_slice_header(), ffm_read_header(), ffm_write_header(), X264_init(), and XAVS_init().
int AVCodecContext::chromaoffset |
chroma qp offset from luma
Definition at line 1703 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
int AVCodecContext::scenechange_factor |
int AVCodecContext::mv0_threshold |
Note: Value depends upon the compare function used for fullpel ME.
Definition at line 1718 of file avcodec.h.
Referenced by epzs_motion_search_internal().
int AVCodecContext::b_sensitivity |
Adjust sensitivity of b_frame_strategy 1.
Definition at line 1725 of file avcodec.h.
Referenced by select_input_picture().
enum AVColorPrimaries AVCodecContext::color_primaries |
Chromaticity coordinates of the source primaries.
Definition at line 1732 of file avcodec.h.
Referenced by decode_frame_header(), decode_slice_header(), encode_frame(), encode_init(), libschroedinger_encode_init(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), set_sps(), and update_context_from_thread().
enum AVColorTransferCharacteristic AVCodecContext::color_trc |
Color Transfer Characteristic.
Definition at line 1739 of file avcodec.h.
Referenced by decode_frame_header(), decode_slice_header(), encode_frame(), libschroedinger_encode_init(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), set_sps(), and update_context_from_thread().
enum AVColorSpace AVCodecContext::colorspace |
YUV colorspace type.
Definition at line 1746 of file avcodec.h.
Referenced by decode_frame_header(), decode_init(), decode_slice_header(), encode_frame(), get_pixel_format(), libschroedinger_encode_init(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), set_sps(), update_context_from_thread(), and utvideo_encode_init().
enum AVColorRange AVCodecContext::color_range |
MPEG vs JPEG YUV range.
Definition at line 1753 of file avcodec.h.
Referenced by decode_slice_header(), get_pixel_format(), mpeg_decode_init(), parse_source_parameters(), set_sps(), and update_context_from_thread().
enum AVChromaLocation AVCodecContext::chroma_sample_location |
This defines the location of chroma samples.
Definition at line 1760 of file avcodec.h.
Referenced by decode_init(), decode_vui_parameters(), ff_dvvideo_init(), ff_h263_decode_init(), ff_h264_decode_init(), ff_mjpeg_decode_init(), mpeg_decode_init(), transcode_init(), update_context_from_thread(), vp3_decode_init(), and yuv4_read_header().
int AVCodecContext::slices |
Number of slices.
Indicates number of picture subdivisions. Used for parallelized decoding.
Definition at line 1769 of file avcodec.h.
Referenced by ff_MPV_common_init(), ffv1_encode_init(), utvideo_encode_init(), vpx_init(), and X264_init().
enum AVFieldOrder AVCodecContext::field_order |
Field order.
Definition at line 1775 of file avcodec.h.
Referenced by ff_generate_avci_extradata(), ff_mjpeg_decode_init(), mov_read_fiel(), mov_write_fiel_tag(), mov_write_video_tag(), mxf_parse_structural_metadata(), and transcode_init().
int AVCodecContext::sample_rate |
samples per second
Definition at line 1778 of file avcodec.h.
Referenced by aac_decode_er_frame(), aac_decode_frame_int(), aac_decode_init(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), add_audio_stream(), add_av_stream(), add_codec(), add_input_streams(), adpcm_encode_init(), adx_encode_header(), adx_encode_init(), adx_read_header(), aea_read_header(), aiff_read_header(), aiff_write_header(), alac_encode_init(), amf_parse_object(), amr_decode_fix_avctx(), amr_read_header(), amr_wb_encode_init(), amrnb_decode_init(), amrwb_decode_init(), apc_read_header(), ape_read_header(), apply_param_change(), audio_encode_example(), audio_read_header(), audio_read_packet(), audio_write_header(), av_get_audio_frame_duration(), avcodec_open2(), avcodec_string(), avisynth_create_stream_audio(), avpriv_adx_decode_header(), avpriv_flac_parse_streaminfo(), bfi_read_header(), bmv_read_header(), cdata_read_header(), cdxl_read_packet(), celt_header(), cin_read_header(), cng_decode_init(), compute_status(), configure_input_audio_filter(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), dca_parse(), decode_audio(), decode_frame(), decode_init(), decode_ppc(), decode_stream_header(), decode_wave_header(), dv_extract_audio_info(), dv_init_mux(), dxa_read_header(), ea_read_header(), encode_init(), Faac_encode_init(), ff_aac_ac3_parse(), ff_af_queue_add(), ff_compute_frame_duration(), ff_get_buffer(), ff_get_wav_header(), ff_mp4_read_dec_config_descr(), ff_parse_specific_params(), ff_pcm_read_seek(), ff_psy_preprocess_init(), ff_put_wav_header(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_rtp_parse_open(), ff_samples_to_time_base(), ff_voc_get_packet(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_encode_init(), flac_header(), flv_read_packet(), flv_same_audio_codec(), flv_set_audio_codec(), flv_write_header(), g722_read_header(), g723_1_decode_init(), g723_1_init(), get_aiff_header(), get_audio_flags(), get_best_header(), get_bit_rate(), get_codec_data(), get_sindex(), get_stream_info(), gsm_init(), gsm_read_header(), gxf_write_header(), handle_file(), has_codec_parameters(), idcin_read_header(), iff_read_header(), ilbc_decode_init(), ilbc_encode_init(), ilbc_read_header(), imc_decode_init(), init_bitstream_params(), init_muxer(), init_output_frame(), init_pts(), init_resampler(), ipmovie_read_header(), iss_read_header(), libgsm_decode_init(), libgsm_encode_init(), libopus_decode_init(), libopus_encode_init(), libopus_write_header(), libspeex_decode_init(), lxf_read_header(), matroska_read_header(), metasound_decode_init(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mov_finalize_stsd_codec(), mov_parse_stsd_audio(), mov_write_audio_tag(), mov_write_esds_tag(), mov_write_header(), mov_write_isml_manifest(), mov_write_uuidprof_tag(), mp3_write_xing(), mp3lame_encode_init(), MPA_encode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegts_write_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_wav_common(), mxg_read_header(), new_audio_stream(), nsv_read_chunk(), ogg_write_header(), ogg_write_packet(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), oma_write_header(), open_audio(), open_output_file(), opus_header(), output_packet(), parse_ffconfig(), parse_packet(), parse_strk(), pcm_bluray_parse_header(), pcm_dvd_parse_header(), pcm_encode_init(), pcm_read_header(), pmp_header(), psy_3gpp_init(), pulse_read_header(), qcp_read_header(), qdm2_decode_init(), r3d_read_reda(), read_desc_chunk(), read_header(), read_major_sync(), read_specific_config(), rl2_read_header(), rm_read_audio_stream_info(), rm_write_header(), roq_dpcm_encode_init(), roq_read_packet(), rso_read_header(), rso_write_header(), rtp_write_header(), rv10_write_header(), s302m_parse_frame_header(), search_for_quantizers_twoloop(), seq_read_header(), set_sample_rate_params(), show_stream(), smacker_read_header(), smjpeg_read_header(), smjpeg_write_header(), sol_read_header(), sox_read_header(), sox_write_header(), spdif_read_packet(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), tak_decode_frame(), tak_read_header(), thp_read_header(), tmv_read_header(), transcode_init(), tta_decode_init(), tta_read_header(), twinvq_decode_init(), validate_options(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_init(), voc_write_packet(), vorbis_decode_init(), vorbis_header(), vqf_read_header(), wav_write_header(), wav_write_trailer(), wavpack_decode_block(), wavpack_encode_init(), wc3_read_header(), wmavoice_decode_init(), write_manifest(), write_streamheader(), wsaud_read_header(), wsvqa_read_packet(), wv_read_header(), xa_read_header(), xmv_read_header(), xwma_read_header(), and yop_read_header().
int AVCodecContext::channels |
number of audio channels
Definition at line 1779 of file avcodec.h.
Referenced by aac_decode_init(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), ac3_decode_init(), add_audio_stream(), add_av_stream(), add_codec(), add_input_streams(), adpcm_decode_frame(), adpcm_decode_init(), adpcm_encode_init(), adpcm_swf_decode(), adx_decode_frame(), adx_decode_init(), adx_encode_frame(), adx_encode_header(), adx_encode_init(), adx_read_packet(), aea_read_header(), aiff_write_header(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), amf_parse_object(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), amr_wb_encode_init(), amrnb_decode_init(), amrwb_decode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), apply_param_change(), apply_window_and_mdct(), atrac1_decode_frame(), atrac1_decode_init(), atrac3_decode_init(), audio_decode_example(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_write_header(), av_get_audio_frame_duration(), avcodec_encode_audio2(), avcodec_open2(), avcodec_string(), avisynth_create_stream_audio(), avpriv_adx_decode_header(), avpriv_flac_parse_streaminfo(), bfi_read_header(), bmv_aud_decode_init(), bmv_read_header(), cdata_read_header(), cdxl_read_packet(), celt_header(), cin_read_header(), cinaudio_decode_init(), cng_decode_init(), cng_encode_init(), compute_status(), configure_output_audio_filter(), construct_perm_table(), cook_decode_init(), cook_parse(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), dca_decode_init(), dec_bark_env(), dec_gain(), decode_audio(), decode_block(), decode_channel_transform(), decode_decorrelation_matrix(), decode_extension_payload(), decode_frame(), decode_init(), decode_ppc(), decode_stream_header(), decode_subframe(), decode_tilehdr(), dpcm_decode_frame(), dpcm_decode_init(), dump_context(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), eightsvx_decode_frame(), eightsvx_decode_init(), encode_block(), encode_frame(), encode_init(), Faac_encode_frame(), Faac_encode_init(), fdk_aac_decode_frame(), ff_aac_ac3_parse(), ff_ac3_validate_metadata(), ff_audio_interleave_init(), ff_flac_set_channel_layout(), ff_get_buffer(), ff_get_wav_header(), ff_mp4_read_dec_config_descr(), ff_pcm_read_seek(), ff_psy_init(), ff_psy_preprocess_end(), ff_psy_preprocess_init(), ff_put_wav_header(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_voc_get_packet(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_encode_init(), flush(), flv_read_packet(), flv_write_header(), frame_configure_elements(), g722_decode_init(), g722_encode_init(), g722_read_header(), g723_1_decode_init(), g723_1_init(), get_aiff_header(), get_audio_flags(), get_best_header(), get_bit_rate(), get_codec_data(), get_nb_samples(), get_sindex(), get_stream_info(), gsm_init(), gsm_read_header(), guess_input_channel_layout(), gxf_write_header(), handle_file(), has_codec_parameters(), idcin_read_header(), iff_read_header(), ilbc_decode_init(), ilbc_encode_init(), ilbc_read_header(), imc_decode_block(), imc_decode_frame(), imc_decode_init(), imdct_output(), init_bitstream_params(), init_converted_samples(), init_mdct_win(), init_muxer(), init_resampler(), inverse_channel_transform(), ipmovie_read_header(), iss_read_header(), iss_read_packet(), lame_window_init(), libgsm_decode_init(), libgsm_encode_init(), libopus_decode_init(), libopus_encode(), libopus_encode_init(), libopus_write_header(), libspeex_decode_frame(), libspeex_decode_init(), lxf_read_header(), mace_decode_frame(), mace_decode_init(), matroska_read_header(), metasound_decode_init(), metasound_read_bitstream(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mov_finalize_stsd_codec(), mov_parse_stsd_audio(), mov_read_dac3(), mov_read_dec3(), mov_write_audio_tag(), mov_write_isml_manifest(), mov_write_uuidprof_tag(), mp3_write_xing(), mp3lame_encode_frame(), mp3lame_encode_init(), MPA_encode_init(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), mxg_read_header(), new_audio_stream(), nsv_read_chunk(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), oma_write_header(), open_audio(), open_output_file(), opus_header(), output_configure(), output_data(), pad_last_frame(), parse_ffconfig(), parse_mpeg1waveformatex(), parse_strk(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_decode_init(), pcm_dvd_decode_samples(), pcm_dvd_parse_header(), pcm_encode_frame(), pcm_encode_init(), pcm_read_header(), pcm_read_packet(), pmp_header(), pop_output_configuration(), print_enc_params(), psy_3gpp_init(), psy_3gpp_window(), pulse_read_header(), qcelp_decode_init(), qcp_read_header(), qdm2_decode_init(), r3d_read_red1(), ra144_decode_init(), ra144_encode_init(), ra288_decode_init(), read_and_decode_spectrum(), read_channel_data(), read_desc_chunk(), read_frame_data(), read_header(), read_packet(), read_restart_header(), read_specific_config(), revert_channel_correlation(), rl2_read_header(), rm_read_audio_stream_info(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_read_packet(), rso_read_header(), rso_write_header(), rtp_write_packet(), rv10_write_header(), s302m_decode_frame(), s302m_parse_frame_header(), search_for_quantizers_twoloop(), seq_read_header(), set_channel_params(), show_stream(), sipr_decoder_init(), smacker_read_header(), smjpeg_read_header(), smjpeg_write_header(), smka_decode_frame(), smka_decode_init(), sol_read_header(), sox_read_header(), sox_write_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), tak_decode_frame(), tak_read_header(), thp_read_header(), tmv_read_header(), transcode_init(), truespeech_decode_init(), tta_decode_init(), tta_read_header(), twinvq_decode_init(), twinvq_read_bitstream(), validate_options(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_frame(), vmdaudio_decode_init(), voc_write_packet(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vorbis_parse_setup_hdr_residues(), vqf_read_header(), wavpack_decode_block(), wavpack_decode_frame(), wavpack_encode_init(), wc3_read_header(), wma_decode_block(), wma_decode_frame(), wmavoice_decode_init(), write_audio_frame(), write_frame(), write_manifest(), write_streamheader(), ws_snd_decode_init(), wsaud_read_header(), wsaud_read_packet(), wsvqa_read_packet(), wv_read_header(), xa_read_header(), xa_read_packet(), xmv_read_header(), xwma_read_header(), and yop_read_header().
enum AVSampleFormat AVCodecContext::sample_fmt |
audio sample format
Definition at line 1786 of file avcodec.h.
Referenced by aac_decode_init(), ac3_decode_init(), add_audio_stream(), add_input_streams(), adpcm_decode_init(), adx_decode_init(), alac_decode_init(), alac_encode_init(), amr_decode_fix_avctx(), amrnb_decode_init(), amrwb_decode_init(), ape_decode_init(), atrac1_decode_init(), atrac3_decode_init(), atrac3p_decode_init(), audio_decode_example(), audio_encode_example(), avcodec_decode_audio4(), avcodec_encode_audio2(), avcodec_get_context_defaults3(), avcodec_open2(), avcodec_string(), bmv_aud_decode_init(), cinaudio_decode_init(), cng_decode_init(), configure_input_audio_filter(), cook_decode_init(), copy_samples(), dca_decode_frame(), dca_decode_init(), decode_frame(), decode_init(), dpcm_decode_init(), dprint_options(), eightsvx_decode_init(), fdk_aac_decode_frame(), fdk_aac_decode_init(), ff_get_buffer(), ff_twinvq_decode_init(), flac_decode_init(), flac_encode_init(), flac_set_bps(), g722_decode_init(), g723_1_decode_init(), gsm_init(), has_codec_parameters(), ilbc_decode_init(), imc_decode_init(), init_converted_samples(), init_output_frame(), init_resampler(), init_sample_buffers(), libgsm_decode_init(), libopus_decode(), libopus_decode_init(), libopus_encode(), libopus_encode_init(), libspeex_decode_init(), mace_decode_init(), mkv_write_tracks(), mlp_parse(), mp3lame_encode_frame(), mp3lame_encode_init(), mp_decode_frame(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), open_audio(), output_data(), pad_last_frame(), parse_streaminfo(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_init(), pcm_dvd_parse_header(), qcelp_decode_init(), qdm2_decode_init(), ra144_decode_init(), ra288_decode_init(), read_major_sync(), s302m_parse_frame_header(), set_bps_params(), shorten_decode_init(), sipr_decoder_init(), smka_decode_frame(), smka_decode_init(), tak_decode_frame(), transcode_init(), truespeech_decode_init(), tta_decode_init(), update_sample_fmt(), vmdaudio_decode_init(), vorbis_decode_init(), wavpack_decode_block(), wavpack_decode_frame(), wma_decode_init(), wmavoice_decode_init(), write_audio_frame(), write_element(), and ws_snd_decode_init().
int AVCodecContext::frame_size |
Number of samples per channel in an audio frame.
Definition at line 1798 of file avcodec.h.
Referenced by aac_decode_frame_int(), aac_encode_frame(), aac_encode_init(), adpcm_encode_init(), adx_encode_init(), alac_encode_init(), amr_wb_encode_init(), audio_encode_example(), avcodec_encode_audio2(), celt_header(), cng_decode_frame(), cng_decode_init(), cng_encode_init(), decode_frame(), dprint_compression_options(), encode_frame(), encode_init(), Faac_encode_frame(), Faac_encode_init(), fdk_aac_decode_frame(), ff_ac3_encode_init(), ff_get_audio_frame_size(), ff_parse_specific_params(), ff_psy_preprocess(), ff_put_wav_header(), ffm_read_header(), ffm_write_header(), flac_encode_init(), flush_encoders(), g722_encode_init(), get_stream_info(), gsm_decode_frame(), gsm_init(), ilbc_encode_init(), libgsm_decode_frame(), libgsm_decode_init(), libgsm_encode_init(), libopus_encode_init(), load_encode_and_write(), mp3lame_encode_frame(), mp3lame_encode_init(), mp_decode_frame(), MPA_encode_init(), mpegts_write_header(), oggvorbis_encode_init(), open_audio(), output_packet(), pad_last_frame(), pcm_encode_init(), poll_filter(), print_enc_params(), ra144_encode_frame(), ra144_encode_init(), read_major_sync(), rm_write_header(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), rtp_write_header(), rv10_write_header(), transcode_init(), vorbis_encode_frame(), vorbis_encode_init(), wavpack_encode_frame(), and wavpack_encode_init().
int AVCodecContext::frame_number |
Frame counter, set by libavcodec.
encoding: total number of frames passed to the encoder so far.
Definition at line 1809 of file avcodec.h.
Referenced by aac_encode_frame(), avcodec_decode_audio4(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio2(), avcodec_encode_subtitle(), avcodec_encode_video2(), avcodec_open2(), bfi_decode_frame(), cdg_decode_frame(), decode_band_numwavs(), decode_frame(), decode_packet(), do_streamcopy(), ff_eac3_output_frame_header(), flashsv_encode_frame(), h261_decode_frame(), http_prepare_data(), ipvideo_decode_opcodes(), qtrle_encode_frame(), rv10_decode_frame(), svq1_encode_end(), svq1_encode_frame(), update_context_from_user(), warn_insufficient_frame_quality(), XAVS_frame(), and yop_decode_frame().
int AVCodecContext::block_align |
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs.
Definition at line 1815 of file avcodec.h.
Referenced by adpcm_encode_init(), aea_read_header(), aea_read_packet(), aiff_read_header(), aiff_read_packet(), aiff_write_header(), aiff_write_trailer(), apc_read_header(), asf_write_header1(), atrac1_decode_frame(), atrac3_decode_frame(), atrac3_decode_init(), atrac3p_decode_frame(), atrac3p_decode_init(), av_get_audio_frame_duration(), avi_read_header(), avi_write_packet(), cook_decode_frame(), cook_decode_init(), daud_header(), decode_frame(), decode_init(), decode_packet(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_superframe(), ff_get_wav_header(), ff_parse_specific_params(), ff_pcm_read_seek(), ff_put_wav_header(), ff_rm_parse_packet(), ff_rm_retrieve_cache(), ff_twinvq_decode_frame(), ff_twinvq_decode_init(), ff_wma_init(), film_read_header(), get_aiff_header(), get_mode(), get_nb_samples(), get_sindex(), gsm_decode_frame(), gsm_init(), gsm_parse(), handle_file(), idcin_read_header(), iff_read_header(), ilbc_encode_init(), ilbc_parse_fmtp(), ilbc_parse_sdp_line(), ilbc_read_header(), ilbc_read_packet(), ilbc_write_header(), init_muxer(), ipmovie_read_header(), ism_write_header(), iss_read_header(), libgsm_decode_frame(), libgsm_decode_init(), libgsm_encode_frame(), libgsm_encode_init(), matroska_parse_block(), matroska_parse_rm_audio(), matroska_read_header(), mov_finalize_stsd_codec(), mov_write_header(), mov_write_isml_manifest(), mxf_write_d10_audio_packet(), mxf_write_wav_common(), mxg_read_header(), oma_read_header(), oma_read_packet(), oma_write_header(), parse_strk(), pcm_encode_init(), pcm_read_header(), pcm_read_packet(), ra288_decode_frame(), read_desc_chunk(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_packet(), rtp_send_ilbc(), seq_read_header(), sipr_decoder_init(), sox_read_header(), sox_read_packet(), str_read_packet(), transcode_init(), tta_decode_init(), twinvq_decode_init(), vmd_read_header(), vmdaudio_decode_frame(), vmdaudio_decode_init(), wc3_read_header(), wma_decode_init(), wma_decode_superframe(), wmavoice_decode_init(), wmavoice_decode_packet(), xmv_read_header(), xwma_read_header(), and xwma_read_packet().
int AVCodecContext::cutoff |
Audio cutoff bandwidth (0 means "automatic")
Definition at line 1822 of file avcodec.h.
Referenced by aac_encode_init(), Faac_encode_init(), ff_psy_preprocess_init(), libopus_configure_encoder(), libopus_encode_init(), oggvorbis_init_encoder(), psy_3gpp_init(), and validate_options().
attribute_deprecated int AVCodecContext::request_channels |
Decoder should decode to this many channels if it can (0 for default)
Definition at line 1831 of file avcodec.h.
Referenced by ac3_decode_init(), dca_decode_frame(), dca_decode_init(), ff_aac_ac3_parse(), mlp_parse(), and read_restart_header().
uint64_t AVCodecContext::channel_layout |
Audio channel layout.
Definition at line 1839 of file avcodec.h.
Referenced by ac3_decode_frame(), add_input_streams(), aea_read_header(), alac_decode_init(), amf_parse_object(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), amrnb_decode_init(), amrwb_decode_init(), apc_read_header(), ape_decode_init(), apply_param_change(), atrac3p_decode_init(), audio_encode_example(), avcodec_open2(), avcodec_string(), bfi_read_header(), bmv_aud_decode_init(), bmv_read_header(), cdxl_read_packet(), cin_read_header(), cinaudio_decode_init(), configure_input_audio_filter(), configure_output_audio_filter(), cook_decode_init(), create_audio_stream(), daud_header(), dca_decode_frame(), decode_audio(), decode_frame(), decode_init(), dprint_options(), dv_extract_audio_info(), ff_aac_ac3_parse(), ff_alsa_open(), ff_flac_set_channel_layout(), ff_get_buffer(), ff_mov_read_chan(), ff_put_wav_header(), flv_read_packet(), g722_decode_init(), g723_1_decode_init(), g723_1_init(), get_best_header(), get_codec_data(), get_sindex(), get_stream_info(), gsm_init(), gsm_read_header(), guess_input_channel_layout(), idcin_read_header(), iff_read_header(), ilbc_decode_init(), imc_decode_init(), init_output_frame(), ipmovie_read_header(), iss_read_header(), libgsm_decode_init(), libopus_decode_init(), libspeex_decode_init(), metasound_decode_init(), mlp_parse(), mmf_read_header(), mov_read_dac3(), mov_read_dec3(), mov_write_chan_tag(), mpc7_decode_init(), mpc8_decode_init(), mpc_read_header(), mxg_read_header(), oma_read_header(), output_configure(), parse_mpeg1waveformatex(), parse_waveformatex(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pop_output_configuration(), qcelp_decode_init(), qcp_read_header(), qdm2_decode_init(), ra144_decode_init(), ra288_decode_init(), read_header(), read_restart_header(), rm_read_audio_stream_info(), roq_read_packet(), rso_read_header(), seq_read_header(), set_channel_params(), sipr_decoder_init(), smacker_read_header(), smka_decode_init(), sol_read_header(), speex_header(), str_read_packet(), stream_component_open(), tak_decode_frame(), tak_read_header(), tmv_read_header(), transcode_init(), truespeech_decode_init(), twinvq_decode_init(), validate_options(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_init(), vorbis_decode_init(), wavpack_decode_block(), wavpack_encode_init(), wc3_read_header(), wmavoice_decode_init(), ws_snd_decode_init(), wsaud_read_header(), wv_read_header(), and yop_read_header().
uint64_t AVCodecContext::request_channel_layout |
Request decoder to use this channel layout if it can (0 for default)
Definition at line 1846 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), dca_decode_frame(), dca_decode_init(), dca_filter_channels(), ff_aac_ac3_parse(), mlp_parse(), output_configure(), and read_restart_header().
enum AVAudioServiceType AVCodecContext::audio_service_type |
Type of service that the audio stream conveys.
Definition at line 1853 of file avcodec.h.
Referenced by ac3_decode_frame(), avformat_find_stream_info(), ff_aac_ac3_parse(), ff_ac3_encode_init(), ff_ac3_validate_metadata(), mov_read_dac3(), mov_read_dec3(), and transcode_init().
enum AVSampleFormat AVCodecContext::request_sample_fmt |
Used to request a sample format from the decoder.
Definition at line 1860 of file avcodec.h.
Referenced by decode_init(), flac_set_bps(), libopus_decode_init(), and update_sample_fmt().
attribute_deprecated int(* AVCodecContext::get_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it.
The function will set AVFrame.data[], AVFrame.linesize[]. AVFrame.extended_data[] must also be set, but it should be the same as AVFrame.data[] except for planar audio with more channels than can fit in AVFrame.data[]. In that case, AVFrame.data[] shall still contain as many data pointers as it can hold.
if CODEC_CAP_DR1 is not set then get_buffer() must call avcodec_default_get_buffer() instead of providing buffers allocated by some other means.
AVFrame.data[] should be 32- or 16-byte-aligned unless the CPU doesn't need it. avcodec_default_get_buffer() aligns the output buffer properly, but if get_buffer() is overridden then alignment considerations should be taken into account.
Video:
If pic.reference is set then the frame will be read later by libavcodec. avcodec_align_dimensions2() should be used to find the required width and height, as they normally need to be rounded up to the next multiple of 16.
If frame multithreading is used and thread_safe_callbacks is set, it may be called from a different thread, but not from more than one at once. Does not need to be reentrant.
Audio:
Decoders request a buffer of a particular size by setting AVFrame.nb_samples prior to calling get_buffer(). The decoder may, however, utilize only part of the buffer by setting AVFrame.nb_samples to a smaller value in the output frame.
Decoders cannot use the buffer after returning from avcodec_decode_audio4(), so they will not call release_buffer(), as it is assumed to be released immediately upon return. In some rare cases, a decoder may need to call get_buffer() more than once in a single call to avcodec_decode_audio4(). In that case, when get_buffer() is called again after it has already been called once, the previously acquired buffer is assumed to be released at that time and may not be reused by the decoder.
As a convenience, av_samples_get_buffer_size() and av_samples_fill_arrays() in libavutil may be used by custom get_buffer() functions to find the required data size and to fill data pointers and linesize. In AVFrame.linesize, only linesize[0] may be set for audio since all planes must be the same size.
Definition at line 1926 of file avcodec.h.
Referenced by ff_get_buffer(), ff_thread_get_buffer(), ff_thread_release_buffer(), submit_packet(), and update_context_from_user().
attribute_deprecated void(* AVCodecContext::release_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer.
A released buffer can be reused in get_buffer(). pic.data[*] must be set to NULL. May be called from a different thread if frame multithreading is used, but not by more than one thread at once, so does not need to be reentrant.
Definition at line 1940 of file avcodec.h.
Referenced by compat_free_buffer(), ff_get_buffer(), and update_context_from_user().
attribute_deprecated int(* AVCodecContext::reget_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it.
Buffer type (size, hints) must be the same. libavcodec won't check it. libavcodec will pass previous buffer in pic, function should return same buffer or new buffer with old frame "painted" into it. If pic.data[0] == NULL must behave like get_buffer(). if CODEC_CAP_DR1 is not set then reget_buffer() must call avcodec_default_reget_buffer() instead of providing buffers allocated by some other means.
int(* AVCodecContext::get_buffer2)(struct AVCodecContext *s, AVFrame *frame, int flags) |
This callback is called at the beginning of each frame to get data buffer(s) for it.
There may be one contiguous buffer for all the data or there may be a buffer per each data plane or anything in between. What this means is, you may set however many entries in buf[] you feel necessary. Each buffer must be reference-counted using the AVBuffer API (see description of buf[] below).
The following fields will be set in the frame before this callback is called:
This callback must fill the following fields in the frame:
If CODEC_CAP_DR1 is not set then get_buffer2() must call avcodec_default_get_buffer2() instead of providing buffers allocated by some other means.
Each data plane must be aligned to the maximum required by the target CPU.
Video:
If AV_GET_BUFFER_FLAG_REF is set in flags then the frame may be reused (read and/or written to if it is writable) later by libavcodec.
avcodec_align_dimensions2() should be used to find the required width and height, as they normally need to be rounded up to the next multiple of 16.
If frame multithreading is used and thread_safe_callbacks is set, this callback may be called from a different thread, but not from more than one at once. Does not need to be reentrant.
Audio:
Decoders request a buffer of a particular size by setting AVFrame.nb_samples prior to calling get_buffer2(). The decoder may, however, utilize only part of the buffer by setting AVFrame.nb_samples to a smaller value in the output frame.
As a convenience, av_samples_get_buffer_size() and av_samples_fill_arrays() in libavutil may be used by custom get_buffer2() functions to find the required data size and to fill data pointers and linesize. In AVFrame.linesize, only linesize[0] may be set for audio since all planes must be the same size.
Definition at line 2036 of file avcodec.h.
Referenced by avcodec_get_context_defaults3(), ff_get_buffer(), ff_thread_get_buffer(), ff_thread_release_buffer(), init_input_stream(), submit_packet(), and update_context_from_user().
int AVCodecContext::refcounted_frames |
If non-zero, the decoded audio and video frames returned from avcodec_decode_video2() and avcodec_decode_audio4() are reference-counted and are valid indefinitely.
The caller must free them with av_frame_unref() when they are not needed anymore. Otherwise, the decoded frames must not be freed by the caller and are only valid until the next decode call.
Definition at line 2049 of file avcodec.h.
Referenced by avcodec_decode_audio4(), avcodec_decode_video2(), avcodec_flush_buffers(), and movie_init().
float AVCodecContext::qcompress |
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition at line 2052 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_qscale(), vpx_init(), X264_init(), and XAVS_init().
float AVCodecContext::qblur |
amount of qscale smoothing over time (0.0-1.0)
Definition at line 2053 of file avcodec.h.
Referenced by add_codec(), ff_rate_control_init(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), X264_init(), and XAVS_init().
int AVCodecContext::qmin |
minimum quantizer
Definition at line 2060 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), encode_thread(), ff_init_qscale_tab(), ff_MPV_encode_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), parse_ffconfig(), update_qscale(), vpx_init(), X264_init(), XAVS_init(), and xvid_encode_init().
int AVCodecContext::qmax |
maximum quantizer
Definition at line 2067 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), dnxhd_encode_rdo(), dnxhd_find_qscale(), dnxhd_init_qmat(), dnxhd_init_rc(), encode_thread(), ff_init_qscale_tab(), ff_MPV_encode_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), parse_ffconfig(), update_qscale(), vpx_init(), X264_init(), XAVS_init(), and xvid_encode_init().
int AVCodecContext::max_qdiff |
maximum quantizer difference between frames
Definition at line 2074 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), parse_ffconfig(), X264_init(), and XAVS_init().
float AVCodecContext::rc_qsquish |
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax.
Definition at line 2082 of file avcodec.h.
Referenced by modify_qscale().
float AVCodecContext::rc_qmod_amp |
Definition at line 2084 of file avcodec.h.
Referenced by modify_qscale().
int AVCodecContext::rc_qmod_freq |
Definition at line 2085 of file avcodec.h.
Referenced by modify_qscale().
int AVCodecContext::rc_buffer_size |
decoder bitstream buffer size
Definition at line 2092 of file avcodec.h.
Referenced by add_codec(), avcodec_open2(), ff_MPV_encode_init(), ff_MPV_encode_picture(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), init_pass2(), load_input_picture(), modify_qscale(), mov_write_esds_tag(), mpeg1_decode_sequence(), mpeg1_encode_sequence_header(), mpeg_decode_sequence_extension(), mpeg_mux_init(), parse_ffconfig(), select_input_picture(), transcode_init(), vpx_init(), X264_init(), and XAVS_init().
int AVCodecContext::rc_override_count |
ratecontrol override, see RcOverride
Definition at line 2099 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
RcOverride* AVCodecContext::rc_override |
Definition at line 2100 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
const char* AVCodecContext::rc_eq |
rate control equation
Definition at line 2107 of file avcodec.h.
Referenced by add_codec(), avcodec_copy_context(), ff_rate_control_init(), ffm_close(), ffm_read_header(), ffm_write_header(), and get_qscale().
int AVCodecContext::rc_max_rate |
maximum bitrate
Definition at line 2114 of file avcodec.h.
Referenced by add_codec(), ff_MPV_encode_init(), ff_MPV_encode_picture(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), mpeg1_encode_sequence_header(), mpeg_mux_init(), oggvorbis_init_encoder(), parse_ffconfig(), transcode_init(), vpx_init(), X264_init(), and XAVS_init().
int AVCodecContext::rc_min_rate |
minimum bitrate
Definition at line 2121 of file avcodec.h.
Referenced by ff_MPV_encode_init(), ff_MPV_encode_picture(), ff_vbv_update(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), oggvorbis_init_encoder(), parse_ffconfig(), and vpx_init().
float AVCodecContext::rc_buffer_aggressivity |
Definition at line 2123 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and modify_qscale().
float AVCodecContext::rc_initial_cplx |
initial complexity for pass1 ratecontrol
Definition at line 2130 of file avcodec.h.
Referenced by ff_rate_control_init().
float AVCodecContext::rc_max_available_vbv_use |
Ratecontrol attempt to use, at maximum, of what can be used without an underflow.
Definition at line 2137 of file avcodec.h.
Referenced by ff_MPV_encode_picture(), and modify_qscale().
float AVCodecContext::rc_min_vbv_overflow_use |
Ratecontrol attempt to use, at least, times the amount needed to prevent a vbv overflow.
Definition at line 2144 of file avcodec.h.
Referenced by modify_qscale().
int AVCodecContext::rc_initial_buffer_occupancy |
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition at line 2151 of file avcodec.h.
Referenced by avcodec_open2(), ff_rate_control_init(), ff_xvid_rate_control_init(), vpx_init(), X264_init(), and XAVS_init().
int AVCodecContext::coder_type |
coder type
Definition at line 2163 of file avcodec.h.
Referenced by encode_frame(), ffm_read_header(), ffm_write_header(), ffv1_encode_init(), libschroedinger_encode_init(), read_extra_header(), read_header(), sunrast_encode_init(), targa_encode_frame(), and X264_init().
int AVCodecContext::context_model |
context model
Definition at line 2170 of file avcodec.h.
Referenced by encode_init(), encode_plane(), encode_rgb_frame(), encode_slice_header(), ffv1_encode_init(), and write_header().
int AVCodecContext::lmin |
minimum Lagrange multipler
Definition at line 2177 of file avcodec.h.
Referenced by get_qminmax().
int AVCodecContext::lmax |
maximum Lagrange multipler
Definition at line 2184 of file avcodec.h.
Referenced by ff_MPV_encode_picture(), and get_qminmax().
int AVCodecContext::frame_skip_threshold |
frame skip threshold
Definition at line 2191 of file avcodec.h.
Referenced by select_input_picture(), skip_check(), and vpx_init().
int AVCodecContext::frame_skip_factor |
frame skip factor
Definition at line 2198 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
int AVCodecContext::frame_skip_exp |
frame skip exponent
Definition at line 2205 of file avcodec.h.
Referenced by skip_check().
int AVCodecContext::frame_skip_cmp |
frame skip comparison function
Definition at line 2212 of file avcodec.h.
Referenced by add_codec(), ff_MPV_encode_init(), ffm_read_header(), and ffm_write_header().
int AVCodecContext::trellis |
trellis RD quantization
Definition at line 2219 of file avcodec.h.
Referenced by adpcm_compress_trellis(), adpcm_encode_init(), encode_block(), encode_end(), encode_init(), ff_MPV_encode_init(), g722_encode_init(), X264_init(), XAVS_init(), and xvid_encode_init().
int AVCodecContext::min_prediction_order |
Definition at line 2225 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
int AVCodecContext::max_prediction_order |
Definition at line 2231 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
int64_t AVCodecContext::timecode_frame_start |
GOP timecode frame start number, in non drop frame format.
Definition at line 2238 of file avcodec.h.
Referenced by mpeg1_encode_sequence_header().
void(* AVCodecContext::rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
Definition at line 2246 of file avcodec.h.
Referenced by encode_thread().
int AVCodecContext::rtp_payload_size |
Definition at line 2248 of file avcodec.h.
Referenced by encode_thread(), and ff_MPV_encode_init().
int AVCodecContext::mv_bits |
Definition at line 2256 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::header_bits |
Definition at line 2257 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::i_tex_bits |
Definition at line 2258 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::p_tex_bits |
Definition at line 2259 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::i_count |
Definition at line 2260 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::p_count |
Definition at line 2261 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::skip_count |
Definition at line 2262 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::misc_bits |
Definition at line 2263 of file avcodec.h.
Referenced by ff_MPV_encode_picture().
int AVCodecContext::frame_bits |
number of bits used for the previously encoded frame
Definition at line 2270 of file avcodec.h.
Referenced by aac_encode_frame(), and ff_MPV_encode_picture().
char* AVCodecContext::stats_out |
pass1 encoding statistics output buffer
Definition at line 2277 of file avcodec.h.
Referenced by do_video_out(), encode_close(), encode_end(), encode_frame(), encode_init(), ff_MPV_encode_end(), ff_MPV_encode_init(), ff_write_pass1_stats(), ffv1_close(), ffv1_encode_frame(), ffv1_encode_init(), flush_encoders(), get_stats(), vp8_encode(), vp8_free(), and xvid_encode_frame().
char* AVCodecContext::stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here.
Definition at line 2285 of file avcodec.h.
Referenced by encode_init(), ff_rate_control_init(), ffv1_encode_init(), submit_stats(), transcode(), transcode_init(), vpx_init(), and xvid_encode_init().
int AVCodecContext::workaround_bugs |
Work around bugs in encoders which sometimes cannot be detected automatically.
Definition at line 2292 of file avcodec.h.
Referenced by ff_h263_decode_init(), ff_h264_decode_init(), ff_mpeg4_set_direct_mv(), and stream_component_open().
int AVCodecContext::strict_std_compliance |
strictly follow the standard (MPEG4, ...).
Definition at line 2326 of file avcodec.h.
Referenced by avcodec_open2(), decode_postinit(), encode_init(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ff_MPV_encode_init(), ff_vp9_check_experimental(), ffm_read_header(), ffm_write_header(), ffv1_encode_init(), find_frame_rate_index(), libgsm_encode_init(), ljpeg_encode_init(), mov_get_codec_tag(), parse_ffconfig(), and validate_codec_tag().
int AVCodecContext::error_concealment |
error concealment flags
Definition at line 2338 of file avcodec.h.
Referenced by ff_er_add_slice(), ff_er_frame_end(), ff_er_frame_start(), guess_mv(), and stream_component_open().
int AVCodecContext::debug |
debug
Definition at line 2347 of file avcodec.h.
Referenced by audio_get_buffer(), decode_chunks(), decode_ext_header(), decode_init(), decode_nal_units(), decode_picture_timing(), decode_slice_header(), decode_unregistered_user_data(), decode_vol_header(), decode_vop_header(), ff_er_frame_end(), ff_flv_decode_picture_header(), ff_h263_show_pict_info(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_execute_ref_pic_marking(), ff_hevc_decode_nal_sps(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_sos(), ff_mpeg4_decode_picture_header(), ff_msmpeg4_decode_picture_header(), ff_print_debug_info(), ff_rate_estimate_qscale(), ff_thread_await_progress(), ff_thread_release_buffer(), ff_thread_report_progress(), ff_vbv_update(), ff_wmv2_decode_secondary_picture_header(), ffm_read_header(), ffm_write_header(), ffv1_decode_frame(), find_short(), libschroedinger_decode_init(), libschroedinger_encode_init(), mjpeg_decode_app(), mjpeg_decode_com(), mjpegb_decode_frame(), modify_qscale(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_gop(), mpeg_decode_picture_display_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), MPV_decode_mb_internal(), parse_ffconfig(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_dvd_parse_header(), print_long_term(), print_short_term(), remove_short(), rv10_decode_init(), rv20_decode_picture_header(), svq3_decode_frame(), truemotion1_decode_header(), update_context_from_user(), and video_get_buffer().
attribute_deprecated int AVCodecContext::debug_mv |
int AVCodecContext::err_recognition |
Error recognition; may misdetect some more or less valid parts as errors.
Definition at line 2389 of file avcodec.h.
Referenced by aac_decode_init(), ac3_decode_frame(), avcodec_decode_audio4(), avcodec_decode_video2(), decode_chunks(), decode_frame(), decode_init(), decode_nal_unit(), decode_region_inter(), decode_region_masked(), decode_slice_header(), ff_ccitt_unpack(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h264_execute_ref_pic_marking(), ff_hevc_decode_nal_sps(), ff_mjpeg_decode_frame(), ff_MPV_frame_start(), h261_decode_gob_header(), hevc_decode_frame(), hls_slice_header(), init_dimensions(), mjpegb_decode_frame(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_frame(), mpeg_decode_slice(), mxpeg_decode_frame(), pcx_decode_frame(), read_specific_config(), slice_decode_thread(), tak_decode_frame(), tiff_decode_tag(), tta_decode_frame(), tta_decode_init(), v410_decode_init(), vc1_decode_frame(), wavpack_decode_block(), wv_unpack_mono(), and wv_unpack_stereo().
int64_t AVCodecContext::reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
Definition at line 2409 of file avcodec.h.
Referenced by avcodec_get_context_defaults3(), ff_get_buffer(), ff_reget_buffer(), raw_decode(), and update_context_from_user().
struct AVHWAccel* AVCodecContext::hwaccel |
Hardware accelerator in use.
Definition at line 2416 of file avcodec.h.
Referenced by alloc_frame_buffer(), alloc_picture(), avcodec_copy_context(), decode_chunks(), decode_nal_units(), decode_postinit(), decode_slice(), execute_decode_slices(), ff_er_add_slice(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_print_debug_info(), field_end(), get_consumed_bytes(), h264_slice_header_init(), mpeg_decode_slice(), mpeg_field_start(), slice_end(), update_context_from_thread(), vc1_decode_frame(), vc1_decode_init(), and vcr2_init_sequence().
void* AVCodecContext::hwaccel_context |
Hardware accelerator context.
For some hardware accelerators, a global context needs to be provided by the user. In that case, this holds display-dependent data Libav cannot instantiate itself. Please refer to the Libav HW accelerator documentation to know how to fill this is. e.g. for VA API, this is a struct vaapi_context.
Definition at line 2428 of file avcodec.h.
Referenced by commit_bitstream_and_slice_buffer(), dxva2_h264_decode_slice(), dxva2_h264_start_frame(), dxva2_mpeg2_start_frame(), dxva2_vc1_start_frame(), ff_dxva2_common_end_frame(), ff_vaapi_common_end_frame(), ff_vaapi_mpeg_end_frame(), fill_slice_long(), update_context_from_thread(), vaapi_h264_decode_slice(), vaapi_h264_end_frame(), vaapi_h264_start_frame(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), vaapi_vc1_start_frame(), vda_h264_decode_slice(), vda_h264_end_frame(), vda_h264_start_frame(), vdpau_alloc(), vdpau_h264_end_frame(), vdpau_init(), and vdpau_uninit().
uint64_t AVCodecContext::error[AV_NUM_DATA_POINTERS] |
error
Definition at line 2435 of file avcodec.h.
Referenced by estimate_best_b_count(), ff_MPV_encode_picture(), and print_report().
int AVCodecContext::dct_algo |
DCT algorithm, see FF_DCT_* below.
Definition at line 2442 of file avcodec.h.
Referenced by ff_dsputil_init(), ff_dsputil_init_bfin(), ff_dsputil_init_ppc(), ff_MPV_common_init_ppc(), ff_MPV_encode_init_x86(), ffm_read_header(), ffm_write_header(), and parse_ffconfig().
int AVCodecContext::idct_algo |
IDCT algorithm, see FF_IDCT_* below.
Definition at line 2455 of file avcodec.h.
Referenced by decode_init(), decode_user_data(), dsputil_init_mmx(), dsputil_init_mmxext(), dsputil_init_sse2(), ff_dsputil_init(), ff_dsputil_init_arm(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_bfin(), ff_dsputil_init_neon(), ff_dsputil_init_ppc(), ff_dsputil_init_sh4(), ff_dsputil_init_vis(), parse_ffconfig(), stream_component_open(), update_context_from_thread(), and vcr2_init_sequence().
int AVCodecContext::bits_per_coded_sample |
bits per sample/pixel from the demuxer (needed for huffyuv).
Definition at line 2480 of file avcodec.h.
Referenced by adpcm_decode_init(), adpcm_encode_init(), aiff_write_header(), amf_parse_object(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_stream_properties(), av_get_audio_frame_duration(), avformat_find_stream_info(), avi_read_header(), avs_read_packet(), bfi_read_header(), bmp_encode_frame(), bmp_encode_init(), cin_read_header(), cinepak_decode_init(), cmap_read_palette(), create_audio_stream(), daud_header(), decode_channel(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_wave_header(), ea_read_header(), encode_init(), ff_get_bmp_header(), ff_get_wav_header(), ff_put_bmp_header(), ff_put_wav_header(), ff_voc_get_packet(), film_read_header(), flv_read_packet(), flv_same_audio_codec(), flv_set_audio_codec(), g722_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), get_packet_header(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), ipvideo_decode_init(), iss_read_header(), mmf_read_header(), mov_get_rawvideo_codec_tag(), mov_parse_stsd_audio(), mov_parse_stsd_video(), mov_write_video_tag(), mpc8_read_header(), mpc_read_header(), msrle_decode_frame(), msrle_decode_init(), msvideo1_decode_init(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), mxg_read_header(), nsv_parse_NSVs_header(), nuv_header(), oma_read_header(), parse_media_type(), parse_strk(), parse_waveformatex(), pcm_bluray_parse_header(), pcm_dvd_decode_samples(), pcm_dvd_parse_header(), pcm_encode_init(), pcm_read_header(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_desc_chunk(), read_header(), rl2_read_header(), roq_read_packet(), rpl_read_header(), rtp_write_packet(), s302m_decode_frame(), s302m_parse_frame_header(), seq_read_header(), set_bps_params(), smacker_read_header(), smjpeg_read_header(), smka_decode_init(), sox_read_header(), tak_decode_frame(), tak_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), update_context_from_thread(), vfw_read_header(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_init(), voc_write_packet(), wc3_read_header(), wsaud_read_header(), wsvqa_read_packet(), wv_read_header(), xmv_read_header(), and xwma_read_header().
int AVCodecContext::bits_per_raw_sample |
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition at line 2487 of file avcodec.h.
Referenced by alac_decode_init(), alac_encode_frame(), alac_encode_init(), avpriv_flac_parse_streaminfo(), cllc_decode_frame(), copy_samples(), decode_frame(), decode_init(), decode_plane(), decode_rgb_frame(), decode_slice(), decode_update_thread_context(), dnxhd_decode_header(), dnxhd_encode_init(), dsputil_init_mmx(), dsputil_init_mmxext(), dsputil_init_sse(), dsputil_init_sse2(), encode_init(), encode_rgb_frame(), ff_dct_common_init(), ff_dsputil_init(), ff_dsputil_init_altivec(), ff_dsputil_init_arm(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_bfin(), ff_dsputil_init_neon(), ff_dsputil_init_ppc(), ff_dsputil_init_sh4(), ff_dsputil_init_vis(), ff_h264_decode_init(), ffv1_decode_frame(), ffv1_encode_init(), fic_decode_init(), flac_encode_frame(), flac_encode_init(), h264_set_parameter_from_sps(), init_frame(), init_sample_buffers(), libopenjpeg_decode_frame(), mlp_parse(), pcm_bluray_parse_header(), pcm_decode_init(), pcm_dvd_parse_header(), read_const_block_data(), read_extra_header(), read_header(), read_major_sync(), read_var_block_data(), set_bps_params(), transcode_init(), tta_decode_init(), update_context_from_thread(), update_md5_sum(), v410_decode_init(), vble_decode_init(), wavpack_decode_frame(), write_element(), write_streaminfo(), and zerocodec_decode_init().
attribute_deprecated int AVCodecContext::lowres |
low resolution decoding, 1-> 1/2 size, 2->1/4 size
AVFrame* AVCodecContext::coded_frame |
the picture in the bitstream
Definition at line 2505 of file avcodec.h.
Referenced by a64multi_close_encoder(), a64multi_encode_frame(), a64multi_init_encoder(), alac_encode_close(), alac_encode_init(), asv_encode_close(), avcodec_close(), bmp_encode_close(), bmp_encode_frame(), bmp_encode_init(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_encode_picture(), dnxhd_load_picture(), do_video_out(), do_video_stats(), dvvideo_encode_close(), dvvideo_encode_frame(), dvvideo_init_encoder(), encode_close(), encode_end(), encode_frame(), encode_init(), encode_init_ls(), encode_slice(), encode_slice_header(), ff_MPV_encode_init(), ffv1_encode_close(), ffv1_encode_frame(), ffv1_encode_init(), find_quant_thread(), flashsv_encode_end(), flashsv_encode_frame(), flashsv_encode_init(), frame_end(), gif_encode_close(), gif_encode_init(), libopenjpeg_encode_close(), libopenjpeg_encode_init(), libschroedinger_encode_close(), libschroedinger_encode_frame(), libschroedinger_encode_init(), ljpeg_encode_close(), ljpeg_encode_init(), pam_encode_close(), pam_encode_init(), pcm_encode_close(), pcm_encode_init(), pcx_encode_close(), pcx_encode_init(), png_enc_close(), png_enc_init(), pnm_encode_close(), pnm_encode_init(), print_report(), qtrle_encode_end(), qtrle_encode_frame(), qtrle_encode_init(), qtrle_encode_line(), raw_init_encoder(), roq_encode_video(), sunrast_encode_close(), sunrast_encode_init(), svq1_encode_end(), svq1_encode_frame(), svq1_encode_init(), svq1_encode_plane(), targa_encode_close(), targa_encode_init(), update_context_from_thread(), utvideo_encode_close(), utvideo_encode_frame(), utvideo_encode_init(), v410_encode_close(), v410_encode_frame(), v410_encode_init(), v4l2_read_packet(), vp8_encode(), vp8_free(), vpx_init(), X264_close(), X264_frame(), X264_init(), XAVS_close(), XAVS_frame(), XAVS_init(), xbm_encode_close(), xbm_encode_init(), xvid_encode_frame(), xvid_encode_init(), xwd_encode_close(), xwd_encode_frame(), xwd_encode_init(), and yuv4_read_packet().
int AVCodecContext::thread_count |
thread count is used to decide how many independent tasks should be passed to execute()
Definition at line 2513 of file avcodec.h.
Referenced by avcodec_open2(), avformat_find_stream_info(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_load_picture(), encode_close(), encode_init(), ff_er_add_slice(), ff_frame_thread_init(), ff_h264_alloc_tables(), ff_MPV_common_init(), ff_MPV_encode_init(), ff_slice_thread_free(), ff_slice_thread_init(), ff_thread_decode_frame(), ff_thread_flush(), ff_thread_free(), ff_vp8_decode_frame(), ffm_read_header(), ffm_write_header(), h264_slice_header_init(), thread_execute(), update_dimensions(), validate_thread_parameters(), vpx_init(), worker(), X264_init(), XAVS_init(), and xvid_encode_init().
int AVCodecContext::thread_type |
Which multithreading methods to use.
Use of FF_THREAD_FRAME will increase decoding delay by one frame per thread, so clients which cannot provide future frames should not use it.
Definition at line 2523 of file avcodec.h.
Referenced by validate_thread_parameters(), and X264_init().
int AVCodecContext::active_thread_type |
Which multithreading methods are in use by the codec.
Definition at line 2532 of file avcodec.h.
Referenced by avcodec_close(), avcodec_decode_video2(), avcodec_flush_buffers(), avcodec_open2(), await_reference_mb_row(), decode_chunks(), decode_nal_units(), decode_slice_header(), ff_frame_thread_init(), ff_MPV_common_init(), ff_MPV_frame_start(), ff_rv34_decode_frame(), ff_slice_thread_init(), ff_thread_finish_setup(), ff_thread_free(), ff_thread_get_buffer(), ff_thread_init(), ff_thread_release_buffer(), ff_vp8_decode_frame(), field_end(), finish_frame(), h264_slice_header_init(), mimic_decode_frame(), mpeg_field_start(), MPV_decode_mb_internal(), render_slice(), rv34_decode_mv(), rv34_decode_slice(), rv34_mc(), slice_end(), thread_execute(), update_dimensions(), validate_thread_parameters(), vp3_draw_horiz_band(), and vp8_decode_mb_row_sliced().
int AVCodecContext::thread_safe_callbacks |
Set by the client if its custom get_buffer() callback can be called synchronously from another thread, which allows faster multithreaded decoding.
draw_horiz_band() will be called from other threads regardless of this setting. Ignored if the default get_buffer() is used.
Definition at line 2542 of file avcodec.h.
Referenced by ff_thread_get_buffer(), ff_thread_release_buffer(), frame_worker_thread(), init_input_stream(), and submit_packet().
int(* AVCodecContext::execute)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially.
count | the number of things to execute
|
Definition at line 2553 of file avcodec.h.
Referenced by avcodec_get_context_defaults3(), decode_chunks(), decode_picture(), dvvideo_decode_frame(), dvvideo_encode_frame(), encode_picture(), execute_decode_slices(), ff_slice_thread_init(), ffv1_decode_frame(), ffv1_encode_frame(), and fic_decode_frame().
int(* AVCodecContext::execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially. Also see avcodec_thread_init and e.g. the –enable-pthread configure option.
c | context passed also to func |
count | the number of things to execute |
arg2 | argument passed unchanged to func |
ret | return values of executed functions, must have space for "count" values. May be NULL. |
func | function that will be called count times, with jobnr from 0 to count-1. threadnr will be in the range 0 to c->thread_count-1 < MAX_THREADS and so that no two instances of func executing at the same time will have the same threadnr. |
Definition at line 2573 of file avcodec.h.
Referenced by avcodec_get_context_defaults3(), dnxhd_encode_fast(), dnxhd_encode_picture(), dnxhd_encode_rdo(), dnxhd_find_qscale(), encode_frame(), ff_slice_thread_init(), and ff_vp8_decode_frame().
attribute_deprecated void* AVCodecContext::thread_opaque |
int AVCodecContext::nsse_weight |
noise vs.
sse weight for the nsse comparsion function
Definition at line 2588 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), nsse16_c(), and nsse8_c().
int AVCodecContext::profile |
profile
Definition at line 2595 of file avcodec.h.
Referenced by aac_decode_er_frame(), aac_decode_frame_int(), aac_encode_init(), av_vdpau_get_profile(), avcodec_string(), avpriv_dirac_parse_sequence_header(), dca_decode_frame(), decode_extension_payload(), decode_slice_header(), encode_init(), Faac_encode_init(), get_siz(), hls_slice_header(), mpeg1_encode_sequence_header(), mpeg4_decode_profile_level(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), parse_nal_units(), read_sbr_extension(), show_stream(), update_context_from_thread(), vc1_decode_init(), and vpx_init().
int AVCodecContext::level |
level
Definition at line 2678 of file avcodec.h.
Referenced by avpriv_dirac_parse_sequence_header(), decode_slice_header(), encode_init(), ffv1_encode_init(), hls_slice_header(), mpeg1_encode_sequence_header(), mpeg4_decode_profile_level(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), parse_nal_units(), show_stream(), update_context_from_thread(), vc1_decode_init(), X264_init(), and XAVS_init().
enum AVDiscard AVCodecContext::skip_loop_filter |
Definition at line 2686 of file avcodec.h.
Referenced by decode_slice_header(), decode_wmv9(), ff_vc1_decode_sequence_header(), ff_vp8_decode_frame(), stream_component_open(), and vc1_decode_p_blocks().
enum AVDiscard AVCodecContext::skip_idct |
Definition at line 2693 of file avcodec.h.
Referenced by MPV_decode_mb_internal(), and stream_component_open().
enum AVDiscard AVCodecContext::skip_frame |
Definition at line 2700 of file avcodec.h.
Referenced by decode_chunks(), decode_frame(), decode_nal_units(), ff_h263_decode_frame(), ff_rv34_decode_frame(), ff_vp8_decode_frame(), h261_decode_frame(), h264_decode_frame(), stream_component_open(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().
uint8_t* AVCodecContext::subtitle_header |
Header containing style information for text subtitles.
For SUBTITLE_ASS subtitle type, it should contain the whole ASS [Script Info] and [V4+ Styles] section, plus the [Events] line and the Format line following. It shouldn't include any Dialogue line.
Definition at line 2710 of file avcodec.h.
Referenced by ass_decode_init(), ass_encode_init(), ass_subtitle_header(), avcodec_open2(), avformat_free_context(), transcode(), and transcode_init().
int AVCodecContext::subtitle_header_size |
Definition at line 2711 of file avcodec.h.
Referenced by ass_decode_init(), ass_encode_init(), ass_subtitle_header(), and transcode_init().
attribute_deprecated int AVCodecContext::error_rate |
Definition at line 2719 of file avcodec.h.
Referenced by ff_MPV_encode_init().
attribute_deprecated AVPacket* AVCodecContext::pkt |
uint64_t AVCodecContext::vbv_delay |
VBV delay coded in the last frame (in periods of a 27 MHz clock).
Used for compliant TS muxing.
Definition at line 2736 of file avcodec.h.
Referenced by ff_MPV_encode_picture().