- ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- ast->codec->codec_id = CODEC_ID_PCM_U8;
- ast->codec->codec_tag = 0; /* no fourcc */
- ast->codec->sample_rate = avio_rl16(pb);
- ast->codec->channels = 1;
- av_set_pts_info(ast, 64, 1, ast->codec->sample_rate);
+ ast->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+ ast->codecpar->codec_id = AV_CODEC_ID_PCM_U8;
+ ast->codecpar->codec_tag = 0; /* no fourcc */
+ ast->codecpar->sample_rate = avio_rl16(pb);
+ ast->codecpar->channels = 1;
+ ast->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
+ avpriv_set_pts_info(ast, 64, 1, ast->codecpar->sample_rate);