matroska: Initialise a video_context field to satisfy valgrind

Clear the mastering_display_info_present field explicitly
after reallocating the track context into a video context
to avoid uninitialised warnings in valgrind

diff --git a/gst/matroska/matroska-ids.c b/gst/matroska/matroska-ids.c
index 63f7b4c..b3c5130 100644 (file)
--- a/gst/matroska/matroska-ids.c
+++ b/gst/matroska/matroska-ids.c
@@ -70,6 +70,7 @@ gst_matroska_track_init_video_context (GstMatroskaTrackContext ** p_context)
   video_context->colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_UNKNOWN;
   gst_video_mastering_display_info_init
       (&video_context->mastering_display_info);
+  video_context->mastering_display_info_present = FALSE;
   gst_video_content_light_level_init (&video_context->content_light_level);
 
   return TRUE;