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libavcodec/qsvenc: add mbbrc to hevc_qsv

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Add mbbrc to hevc_qsv
For detailed description, please see "mbbrc" part in:
https://github.com/Intel-Media-SDK/MediaSDK/blob/master/doc/mediasdk-man.md#mfxextcodingoption2

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
This commit is contained in:
Wenbin Chen 2022-02-21 16:56:56 +08:00 committed by Haihao Xiang
parent 4869ccb3f3
commit 342d4fb056
2 changed files with 8 additions and 2 deletions
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5
doc/encoders.texi
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@ -3395,6 +3395,11 @@ Maximum encoded frame size in bytes.
@item @var{max_slice_size}
Maximum encoded slice size in bytes.
@item @var{mbbrc}
Setting this flag enables macroblock level bitrate control that generally
improves subjective visual quality. Enabling this flag may have negative impact
on performance and objective visual quality metric.
@item @var{p_strategy}
Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0).

5
libavcodec/qsvenc.c
View File

@ -878,8 +878,6 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
if (avctx->codec_id == AV_CODEC_ID_H264) {
if (q->bitrate_limit >= 0)
q->extco2.BitrateLimit = q->bitrate_limit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
if (q->mbbrc >= 0)
q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
#if QSV_HAVE_TRELLIS
if (avctx->trellis >= 0)
@ -936,6 +934,9 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
q->extco2.MaxQPP = q->extco2.MaxQPB = q->extco2.MaxQPI;
}
#endif
if (q->mbbrc >= 0)
q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
q->extco2.Header.BufferSz = sizeof(q->extco2);