PGS segments must be merged to one packet for muxing to mkv
---
libavformat/matroskaenc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 060e8b7816..6d88fcd784 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -2658,6 +2658,8 @@ static int mkv_check_bitstream(struct AVFormatContext *s,
const AVPacket *pkt)
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 (st->codecpar->codec_id == AV_CODEC_ID_HDMV_PGS_SUBTITLE) {
+ ret = ff_stream_add_bitstream_filter(st, "pgs_frame_merge", NULL);
}
return ret;
--
2.25.2
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