From: John Stebbins <jstebb...@jetheaddev.com>
PGS segments must be merged to one packet for muxing to mkv
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
configure | 2 +-
libavformat/matroskaenc.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index 196873c4aa..4d2f4d9112 100755
--- a/configure
+++ b/configure
@@ -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"
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 3b8ca11f28..fe296197b1 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -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;
--
2.32.0
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