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.c...@intel.com> --- doc/encoders.texi | 5 +++++ libavcodec/qsvenc.c | 5 +++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/doc/encoders.texi b/doc/encoders.texi index bfb6c7eef6..4325fdd6b0 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3404,6 +3404,11 @@ 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 07be4287b7..3aed0508a4 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -877,8 +877,6 @@ 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) @@ -935,6 +933,9 @@ 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); -- 2.32.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".