On Tue, 2021-10-12 at 16:23 +0800, Fei Wang wrote: > Since order_hint_bits_minus_1 range is 0~7, cur_frame_hint can be > most 128. And similar return value for cbs_av1_get_relative_dist. > So if plus them and use int8_t for the result may lose its precision. > > Signed-off-by: Fei Wang <fei.w.w...@intel.com> > --- > update: > 1. move additional film grain frame from av1dec.c to vaapi_av1.c > 2. patch 3~5 can fix clip: > https://drive.google.com/file/d/1Qdx_18_BFcFf_5_XXSZOVohLpaAb-yIw/view?usp=sharing > > libavcodec/cbs_av1_syntax_template.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/cbs_av1_syntax_template.c > b/libavcodec/cbs_av1_syntax_template.c > index 6fe6e9a4f3..d98d3d42de 100644 > --- a/libavcodec/cbs_av1_syntax_template.c > +++ b/libavcodec/cbs_av1_syntax_template.c > @@ -355,7 +355,7 @@ static int > FUNC(set_frame_refs)(CodedBitstreamContext *ctx, RWContext *rw, > AV1_REF_FRAME_ALTREF2, AV1_REF_FRAME_ALTREF > }; > int8_t ref_frame_idx[AV1_REFS_PER_FRAME], > used_frame[AV1_NUM_REF_FRAMES]; > - int8_t shifted_order_hints[AV1_NUM_REF_FRAMES]; > + int16_t shifted_order_hints[AV1_NUM_REF_FRAMES]; > int cur_frame_hint, latest_order_hint, earliest_order_hint, ref; > int i, j; >
Hi James, Could you help to review this version? This fixed your comments in V4. And we tested the 3th patch with DXVA, which can also fix the clip I shared. Fei Thanks _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
