[FFmpeg-cvslog] avformat/matroskaenc: Write data directly into dynamic buffers

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Tue Nov 26 09:25:02 2019 +0100| [e3c2a97a6d4e24d19f419325057ca2ab2fa37961] | committer: Andreas Rheinhardt

avformat/matroskaenc: Write data directly into dynamic buffers

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 at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e3c2a97a6d4e24d19f419325057ca2ab2fa37961
---

 libavformat/matroskaenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index c8a8e31030..8c10a8c133 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -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);