From: Niklas Haas <[email protected]>
To allow for AFGS1 usage, which can expose multiple parameter sets for
a single frame.
---
libavutil/frame.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavutil/frame.h b/libavutil/frame.h
index b94687941db..7f616488be8 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -180,6 +180,10 @@ enum AVFrameSideDataType {
/**
* Film grain parameters for a frame, described by AVFilmGrainParams.
* Must be present for every frame which should have film grain applied.
+ *
+ * May be present multiple times, for example when there are multiple
+ * alternative parameter sets for different video signal characteristics.
+ * The user should select the most appropriate set for the application.
*/
AV_FRAME_DATA_FILM_GRAIN_PARAMS,
--
2.44.0
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