Lines Matching defs:ast
74 AVStream *vst, *ast;
94 ast = avformat_new_stream(ctx, 0);
95 if (!ast)
98 ast->start_time = 0;
99 ast->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
100 ast->codecpar->codec_tag = 0;
101 ast->codecpar->sample_rate = avio_rl16(pb);
102 ast->codecpar->ch_layout.nb_channels = 1 + !!(snd_flags & 2);
104 ast->codecpar->codec_id = AV_CODEC_ID_GREMLIN_DPCM;
106 ast->codecpar->codec_id = (snd_flags & 4) ? AV_CODEC_ID_PCM_S16LE : AV_CODEC_ID_PCM_U8;
109 avpriv_set_pts_info(ast, 64, 1, ast->codecpar->sample_rate);
110 gdv->audio_size = (ast->codecpar->sample_rate / fps) *
111 ast->codecpar->ch_layout.nb_channels *