65 static const uint32_t frequencies[4] = { 48000, 96000, 44100, 32000 };
67 int header_int = (header[0] & 0xe0) | (header[1] << 8) | (header[2] << 16);
74 av_dlog(avctx,
"pcm_dvd_parse_header: header = %02x%02x%02x\n",
75 header[0], header[1], header[2]);
96 avctx->
sample_rate = frequencies[header[1] >> 4 & 3];
99 avctx->
channels = 1 + (header[1] & 7);
139 "pcm_dvd_parse_header: %d channels, %d bits per sample, %d Hz, %d bit/s\n",
149 void *dst,
int blocks)
152 int16_t *dst16 = dst;
168 *dst16++ = bytestream2_get_be16u(&gb);
175 dst32[0] = bytestream2_get_be16u(&gb) << 16;
176 dst32[1] = bytestream2_get_be16u(&gb) << 16;
177 dst32[2] = bytestream2_get_be16u(&gb) << 16;
178 dst32[3] = bytestream2_get_be16u(&gb) << 16;
179 t = bytestream2_get_byteu(&gb);
180 *dst32++ += (t & 0xf0) << 8;
181 *dst32++ += (t & 0x0f) << 12;
182 t = bytestream2_get_byteu(&gb);
183 *dst32++ += (t & 0xf0) << 8;
184 *dst32++ += (t & 0x0f) << 12;
191 dst32[0] = bytestream2_get_be16u(&gb) << 16;
192 dst32[1] = bytestream2_get_be16u(&gb) << 16;
193 dst32[2] = bytestream2_get_be16u(&gb) << 16;
194 dst32[3] = bytestream2_get_be16u(&gb) << 16;
195 *dst32++ += bytestream2_get_byteu(&gb) << 8;
196 *dst32++ += bytestream2_get_byteu(&gb) << 8;
197 *dst32++ += bytestream2_get_byteu(&gb) << 8;
198 *dst32++ += bytestream2_get_byteu(&gb) << 8;
208 int *got_frame_ptr,
AVPacket *avpkt)
212 int buf_size = avpkt->
size;
236 dst = frame->
data[0];
241 if (buf_size >= missing_samples) {
245 src += missing_samples;
246 buf_size -= missing_samples;