[FFmpeg-cvslog] avformat/matroskaenc: Simplify writing qt-compatibility header

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Wed Sep 22 21:55:43 2021 +0200| [62c8b96a1362622c73f988db05f66a0ebd15211b] | committer: Andreas Rheinhardt

avformat/matroskaenc: Simplify writing qt-compatibility header

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=62c8b96a1362622c73f988db05f66a0ebd15211b
---

 libavformat/matroskaenc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 039f20988a..f17665b0c1 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -785,11 +785,9 @@ static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb,
             if (   ff_codec_get_id(ff_codec_movvideo_tags, par->codec_tag) == par->codec_id
                 && (!par->extradata_size || ff_codec_get_id(ff_codec_movvideo_tags, AV_RL32(par->extradata + 4)) != par->codec_id)
             ) {
-                int i;
                 avio_wb32(dyn_cp, 0x5a + par->extradata_size);
                 avio_wl32(dyn_cp, par->codec_tag);
-                for(i = 0; i < 0x5a - 8; i++)
-                    avio_w8(dyn_cp, 0);
+                ffio_fill(dyn_cp, 0, 0x5a - 8);
             }
             avio_write(dyn_cp, par->extradata, par->extradata_size);
         } else {