diff options
| author | Wenbin Chen <wenbin.chen-at-intel.com@ffmpeg.org> | 2022-02-21 16:56:56 +0800 |
|---|---|---|
| committer | Haihao Xiang <haihao.xiang@intel.com> | 2022-02-28 12:40:02 +0800 |
| commit | 342d4fb0563cafa4e444c83dc4ecfa0d69a71eda (patch) | |
| tree | 22bf1a4da44b0cda80145350092cf8fbbf7e72f4 | |
| parent | 4869ccb3f38a606401a1c3e3a31f18d35eb7dc39 (diff) | |
libavcodec/qsvenc: add mbbrc to hevc_qsv
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>
| -rw-r--r-- | doc/encoders.texi | 5 | ||||
| -rw-r--r-- | libavcodec/qsvenc.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 64e8c5d129..1bd38671ca 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -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). diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index 3008f329e5..49f61ae6bb 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -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); |