Merge commit '251849f0'

* commit '251849f0':
  mkv: Add support for Spherical Video elements

See 445204cdMerged-by: James Almer <jamrial@gmail.com>

libavformat/matroskadec.c

@@ -1996,11 +1996,12 @@ static int mkv_parse_video_projection(AVStream *st, const MatroskaTrack *track)
     spherical = av_spherical_alloc(&spherical_size);
     if (!spherical)
         return AVERROR(ENOMEM);
+
     spherical->projection = projection;
 
-    spherical->yaw   = (int32_t)(track->video.projection.yaw   * (1 << 16));
-    spherical->pitch = (int32_t)(track->video.projection.pitch * (1 << 16));
-    spherical->roll  = (int32_t)(track->video.projection.roll  * (1 << 16));
+    spherical->yaw   = (int32_t) (track->video.projection.yaw   * (1 << 16));
+    spherical->pitch = (int32_t) (track->video.projection.pitch * (1 << 16));
+    spherical->roll  = (int32_t) (track->video.projection.roll  * (1 << 16));
 
     spherical->padding = padding;