[FFmpeg-devel] [PATCH 2/2] avcodec/vaapi_encode_h265: use is_reference to fill reference_pic_flag

Xiang, Haihao haihao.xiang at intel.com
Tue Mar 5 09:29:36 EET 2024


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 fill
> reference_pic_flag with pic->is_reference.
> 
> Signed-off-by: Tong Wu <tong1.wu at intel.com>
> ---
>  libavcodec/vaapi_encode_h265.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c
> index c4aabbf5ed..b5d3468152 100644
> --- a/libavcodec/vaapi_encode_h265.c
> +++ b/libavcodec/vaapi_encode_h265.c
> @@ -949,22 +949,22 @@ static int
> vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
>      case PICTURE_TYPE_IDR:
>          vpic->pic_fields.bits.idr_pic_flag       = 1;
>          vpic->pic_fields.bits.coding_type        = 1;
> -        vpic->pic_fields.bits.reference_pic_flag = 1;
> +        vpic->pic_fields.bits.reference_pic_flag = pic->is_reference;
>          break;
>      case PICTURE_TYPE_I:
>          vpic->pic_fields.bits.idr_pic_flag       = 0;
>          vpic->pic_fields.bits.coding_type        = 1;
> -        vpic->pic_fields.bits.reference_pic_flag = 1;
> +        vpic->pic_fields.bits.reference_pic_flag = pic->is_reference;
>          break;
>      case PICTURE_TYPE_P:
>          vpic->pic_fields.bits.idr_pic_flag       = 0;
>          vpic->pic_fields.bits.coding_type        = 2;
> -        vpic->pic_fields.bits.reference_pic_flag = 1;
> +        vpic->pic_fields.bits.reference_pic_flag = pic->is_reference;
>          break;
>      case PICTURE_TYPE_B:
>          vpic->pic_fields.bits.idr_pic_flag       = 0;
>          vpic->pic_fields.bits.coding_type        = 3;
> -        vpic->pic_fields.bits.reference_pic_flag = 0;
> +        vpic->pic_fields.bits.reference_pic_flag = pic->is_reference;

Better to move the assignment out of the switch statement.

Thanks
Haihao

>          break;
>      default:
>          av_assert0(0 && "invalid picture type");



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