Lines Matching defs:ast
54 AVStream *vst, *ast;
58 ast = avformat_new_stream(s, NULL);
59 if (!vst || !ast)
76 ast->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
77 ast->codecpar->codec_tag = 0;
78 ast->codecpar->codec_id = AV_CODEC_ID_PCM_U8;
79 ast->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO;
80 ast->codecpar->sample_rate = 22050;
81 ast->start_time = 0;
83 avpriv_set_pts_info(ast, 64, 1, 22050);