@@ -3435,7 +3435,7 @@ latm_muxer_select="aac_adtstoasc_bsf mpeg4audio"
matroska_audio_muxer_select="matroska_muxer"
matroska_demuxer_select="riffdec"
matroska_demuxer_suggest="bzlib zlib"
-matroska_muxer_select="mpeg4audio riffenc vp9_superframe_bsf aac_adtstoasc_bsf"
+matroska_muxer_select="mpeg4audio riffenc aac_adtstoasc_bsf pgs_frame_merge_bsf vp9_superframe_bsf"
mlp_demuxer_select="mlp_parser"
mmf_muxer_select="riffenc"
mov_demuxer_select="iso_media riffdec"
@@ -3172,6 +3172,9 @@ static int mkv_check_bitstream(AVFormatContext *s, AVStream *st,
ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
} else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
+ } else if (CONFIG_MATROSKA_MUXER &&
+ st->codecpar->codec_id == AV_CODEC_ID_HDMV_PGS_SUBTITLE) {
+ ret = ff_stream_add_bitstream_filter(st, "pgs_frame_merge", NULL);
}
return ret;