[FFmpeg-cvslog] avformat/matroskaenc: Use av_stream_get_side_data() instead of loop
Andreas Rheinhardt
git at videolan.org
Tue May 19 04:04:40 EEST 2020
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Thu May 7 14:13:07 2020 +0200| [ff1264aa4d31b7082f0b7c4dca625f9f2a6391a3] | committer: Andreas Rheinhardt
avformat/matroskaenc: Use av_stream_get_side_data() instead of loop
in mkv_write_stereo_mode(). Also check the size of the AVStereo3D
side data.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ff1264aa4d31b7082f0b7c4dca625f9f2a6391a3
---
libavformat/matroskaenc.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index df3ba6ceed..7a6a299873 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1029,6 +1029,8 @@ static int mkv_write_stereo_mode(AVFormatContext *s, AVIOContext *pb,
int ret = 0;
const AVDictionaryEntry *tag;
MatroskaVideoStereoModeType format = MATROSKA_VIDEO_STEREOMODE_TYPE_NB;
+ const AVStereo3D *stereo;
+ int side_data_size = 0;
*h_width = 1;
*h_height = 1;
@@ -1051,12 +1053,9 @@ static int mkv_write_stereo_mode(AVFormatContext *s, AVIOContext *pb,
}
}
- // iterate to find the stereo3d side data
- for (i = 0; i < st->nb_side_data; i++) {
- AVPacketSideData sd = st->side_data[i];
- if (sd.type == AV_PKT_DATA_STEREO3D) {
- AVStereo3D *stereo = (AVStereo3D *)sd.data;
-
+ stereo = (const AVStereo3D*)av_stream_get_side_data(st, AV_PKT_DATA_STEREO3D,
+ &side_data_size);
+ if (side_data_size >= sizeof(AVStereo3D)) {
switch (stereo->type) {
case AV_STEREO3D_2D:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_MONO;
@@ -1096,8 +1095,6 @@ static int mkv_write_stereo_mode(AVFormatContext *s, AVIOContext *pb,
format++;
break;
}
- break;
- }
}
if (format == MATROSKA_VIDEO_STEREOMODE_TYPE_NB)
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