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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@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-05-07 14:13:07 +02:00
parent b921d4d013
commit ff1264aa4d

View File

@ -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)