21 #include <speex/speex.h>
22 #include <speex/speex_header.h>
23 #include <speex/speex_stereo.h>
24 #include <speex/speex_callbacks.h>
42 const SpeexMode *mode;
43 SpeexHeader *header =
NULL;
48 header = speex_packet_to_header(avctx->
extradata,
54 avctx->
channels = header->nb_channels;
55 spx_mode = header->mode;
56 speex_header_free(header);
59 case 8000: spx_mode = 0;
break;
60 case 16000: spx_mode = 1;
break;
61 case 32000: spx_mode = 2;
break;
65 "Decoding as 32kHz ultra-wideband\n",
71 mode = speex_lib_get_mode(spx_mode);
82 "Decoding as stereo.\n", avctx->
channels);
88 speex_bits_init(&s->
bits);
96 SpeexCallback callback;
97 callback.callback_id = SPEEX_INBAND_STEREO;
98 callback.func = speex_std_stereo_request_handler;
99 callback.data = &s->
stereo;
100 s->
stereo = (SpeexStereoState)SPEEX_STEREO_STATE_INIT;
101 speex_decoder_ctl(s->
dec_state, SPEEX_SET_HANDLER, &callback);
108 int *got_frame_ptr,
AVPacket *avpkt)
111 int buf_size = avpkt->
size;
115 int ret, consumed = 0;
123 output = (int16_t *)frame->
data[0];
129 if (speex_bits_remaining(&s->
bits) < 5 ||
130 speex_bits_peek_unsigned(&s->
bits, 5) == 0xF) {
132 if (!buf || !buf_size) {
137 speex_bits_read_from(&s->
bits, buf, buf_size);
159 speex_bits_destroy(&s->
bits);
168 speex_bits_reset(&s->
bits);