[FFmpeg-devel] [PATCH 1/2] avcodec/vaapi_encode_h264: use is_reference to fill reference_pic_flag

[Xiang, Haihao]

On Di, 2024-02-27 at 11:48 +0800, tong1.wu-at-intel.com at ffmpeg.org wrote:
> From: Tong Wu <tong1.wu at intel.com>
> 
> This codec supports FLAG_B_PICTURE_REFERENCES. We need to correctly fill
> the reference_pic_flag with is_reference variable instead of 0 for B
> frames.
> 
> Signed-off-by: Tong Wu <tong1.wu at intel.com>
> ---
>  libavcodec/vaapi_encode_h264.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c
> index 37df9103ae..4a738215c1 100644
> --- a/libavcodec/vaapi_encode_h264.c
> +++ b/libavcodec/vaapi_encode_h264.c
> @@ -759,7 +759,7 @@ static int
> vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
>      vpic->frame_num = hpic->frame_num;
>  
>      vpic->pic_fields.bits.idr_pic_flag       = (pic->type ==
> PICTURE_TYPE_IDR);
> -    vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
> +    vpic->pic_fields.bits.reference_pic_flag = pic->is_reference;
>  
>      return 0;
>  }

LGTM, 

Thanks
Haihao