avformat/mov: add support for reading Content Light Level Box

As defined in "VP Codec ISO Media File Format Binding v1.0"
https://github.com/webmproject/vp9-dash/blob/master/VPCodecISOMediaFileFormatBinding.md

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/libavformat/isom.h b/libavformat/isom.h
index 426f732247..ff009b0896 100644
--- a/libavformat/isom.h
+++ b/libavformat/isom.h
@@ -196,6 +196,8 @@ typedef struct MOVStreamContext {
     AVSphericalMapping *spherical;
     size_t spherical_size;
     AVMasteringDisplayMetadata *mastering;
+    AVContentLightMetadata *coll;
+    size_t coll_size;
 
     uint32_t format;