Lines Matching defs:ast
58 AVStream* ast[4];
267 if (!c->ast[i]) {
268 c->ast[i] = avformat_new_stream(c->fctx, NULL);
269 if (!c->ast[i])
271 avpriv_set_pts_info(c->ast[i], 64, c->sys->time_base.num, c->sys->time_base.den);
272 c->ast[i]->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
273 c->ast[i]->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE;
277 c->audio_pkt[i].stream_index = c->ast[i]->index;
283 c->ast[i]->codecpar->sample_rate = dv_audio_frequency[freq];
284 c->ast[i]->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
285 c->ast[i]->codecpar->bit_rate = 2 * dv_audio_frequency[freq] * 16;
286 c->ast[i]->start_time = 0;
375 if (c->ast[i] && c->audio_pkt[i].size) {