[FFmpeg-devel] [PATCH V3 1/4] libavcodec/qsvenc: Add max_frame_size support to hevc_qsv

Xiang, Haihao haihao.xiang at intel.com
Thu Jan 13 09:09:16 EET 2022


On Thu, 2022-01-13 at 13:12 +0800, Wenbin Chen wrote:
> Add max_frame_size support to hevc_qsv as well.
> 
> Signed-off-by: Wenbin Chen <wenbin.chen at intel.com>
> ---
>  doc/encoders.texi   | 3 +++
>  libavcodec/qsvenc.c | 4 ++--
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/doc/encoders.texi b/doc/encoders.texi
> index 7cc8be1209..68921fbd40 100644
> --- a/doc/encoders.texi
> +++ b/doc/encoders.texi
> @@ -3388,6 +3388,9 @@ intra refresh cycle.
>  @item @var{rdo}
>  Enable rate distortion optimization.
>  
> + at item @var{max_frame_size}
> +Maximum encoded frame size in bytes.
> +
>  @item @var{idr_interval}
>  Distance (in I-frames) between IDR frames.
>  @table @samp
> diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
> index 4e7a15f060..b3728d28d5 100644
> --- a/libavcodec/qsvenc.c
> +++ b/libavcodec/qsvenc.c
> @@ -859,8 +859,6 @@ static int init_video_param(AVCodecContext *avctx,
> QSVEncContext *q)
>              if (q->mbbrc >= 0)
>                  q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON :
> MFX_CODINGOPTION_OFF;
>  
> -            if (q->max_frame_size >= 0)
> -                q->extco2.MaxFrameSize = q->max_frame_size;
>  #if QSV_HAVE_MAX_SLICE_SIZE
>              if (q->max_slice_size >= 0)
>                  q->extco2.MaxSliceSize = q->max_slice_size;
> @@ -889,6 +887,8 @@ static int init_video_param(AVCodecContext *avctx,
> QSVEncContext *q)
>          if (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id ==
> AV_CODEC_ID_HEVC) {
>              if (q->extbrc >= 0)
>                  q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON :
> MFX_CODINGOPTION_OFF;
> +            if (q->max_frame_size >= 0)
> +                q->extco2.MaxFrameSize = q->max_frame_size;
>  
>  #if QSV_VERSION_ATLEAST(1, 9)
>              if (avctx->qmin >= 0 && avctx->qmax >= 0 && avctx->qmin > avctx-
> >qmax) {

LGTM

-Haihao


More information about the ffmpeg-devel mailing list