Lines Matching defs:st
39 AVStream *st;
45 st = avformat_new_stream(s, NULL);
46 if (!st)
49 st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
50 st->codec->codec_id = AV_CODEC_ID_ADPCM_IMA_APC;
53 st->codec->sample_rate = avio_rl32(pb);
56 if (ff_get_extradata(st->codec, pb, 2 * 4) < 0)
60 st->codec->channels = 2;
61 st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
63 st->codec->channels = 1;
64 st->codec->channel_layout = AV_CH_LAYOUT_MONO;
67 st->codec->bits_per_coded_sample = 4;
68 st->codec->bit_rate = st->codec->bits_per_coded_sample * st->codec->channels
69 * st->codec->sample_rate;
70 st->codec->block_align = 1;