diff options
| -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); |