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avformat/matroskaenc: Write data directly into dynamic buffers

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This avoids copying the data in small chunks (1024B) into
the dynamic buffer's small buffer before finally writing them
into the "big" buffer.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2019-11-26 09:25:02 +01:00
parent 48ff1ba687
commit e3c2a97a6d
1 changed files with 1 additions and 0 deletions
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libavformat/matroskaenc.c
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@ -2721,6 +2721,7 @@ static int mkv_write_packet_internal(AVFormatContext *s, const AVPacket *pkt)
ret = start_ebml_master_crc32(&mkv->cluster_bc, mkv);
if (ret < 0)
return ret;
mkv->cluster_bc->direct = 1;
mkv->cluster_pos = avio_tell(s->pb);
put_ebml_uint(mkv->cluster_bc, MATROSKA_ID_CLUSTERTIMECODE, FFMAX(0, ts));
mkv->cluster_pts = FFMAX(0, ts);