X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Fhwcontext_drm.h;h=42709f215ef9adc7d5eee2ea2574c198d8171534;hb=704017d91ec8fbade0de072d222018c1a6013b70;hp=2e225451e1158bac6346dfa690e0a199a6136551;hpb=d23fff0d8a0e7df170c67a9dd5c1f7c1fc0da489;p=ffmpeg

diff --git a/libavutil/hwcontext_drm.h b/libavutil/hwcontext_drm.h
index 2e225451e11..42709f215ef 100644
--- a/libavutil/hwcontext_drm.h
+++ b/libavutil/hwcontext_drm.h
@@ -58,6 +58,9 @@ typedef struct AVDRMObjectDescriptor {
     size_t size;
     /**
      * Format modifier applied to the object (DRM_FORMAT_MOD_*).
+     *
+     * If the format modifier is unknown then this should be set to
+     * DRM_FORMAT_MOD_INVALID.
      */
     uint64_t format_modifier;
 } AVDRMObjectDescriptor;