avcodec/av1dec: infer and store film grain param values in AV1Frame

They are not always coded in the bistream for each frame. In some cases, the
values need to be taken from a reference frame.

See section 6.8.20 from the AV1 spec.

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/libavcodec/av1dec.h b/libavcodec/av1dec.h
index 4b218f64bb..7e3b0c7291 100644
--- a/libavcodec/av1dec.h
+++ b/libavcodec/av1dec.h
@@ -47,6 +47,8 @@ typedef struct AV1Frame {
 
     uint8_t skip_mode_frame_idx[2];
 
+    AV1RawFilmGrainParams film_grain;
+
     uint8_t coded_lossless;
 } AV1Frame;