[FFmpeg-devel] [PATCH] av1dec: Fix RefFrameSignBias calculation
Lynne
dev at lynne.ee
Mon Apr 22 23:36:20 EEST 2024
Apr 22, 2024, 22:31 by sw at jkqxz.net:
> ---
> Actually match the specification. (Though I'm guessing this field isn't actually used if things pass anyway?)
>
> libavcodec/av1dec.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
> index 69da08b686..79a30a114d 100644
> --- a/libavcodec/av1dec.c
> +++ b/libavcodec/av1dec.c
> @@ -373,8 +373,13 @@ static void order_hint_info(AV1DecContext *s)
> int ref_order_hint = s->ref[ref_slot].order_hint;
>
> frame->order_hints[ref_name] = ref_order_hint;
> - frame->ref_frame_sign_bias[ref_name] =
> - get_relative_dist(seq, ref_order_hint, frame->order_hint);
> + if (!seq->enable_order_hint) {
> + frame->ref_frame_sign_bias[ref_name] = 0;
> + } else {
> + frame->ref_frame_sign_bias[ref_name] =
> + get_relative_dist(seq, ref_order_hint,
> + frame->order_hint) > 0;
> + }
> }
> }
>
LGTM
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