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| author | Wenbin Chen <wenbin.chen-at-intel.com@ffmpeg.org> | 2022-01-25 15:12:36 +0800 |
|---|---|---|
| committer | Haihao Xiang <haihao.xiang@intel.com> | 2022-01-27 10:26:33 +0800 |
| commit | 2ecc4fde5f01289b4c2b8d58c905a408dbb96d8c (patch) | |
| tree | 473ef3256c2d494f7669ee61b283e6fa447ed9af | |
| parent | 168c6e23a54a65447110e4033b11b5965fd560c1 (diff) | |
| download | ffmpeg-2ecc4fde5f01289b4c2b8d58c905a408dbb96d8c.tar.gz | |
libavcodec/qsvenc: Add b_strategy option to hevc_qsv
Add b_strategy option to hevc_qsv. By enabling this option, encoder can
use b frames as reference.
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
| -rw-r--r-- | doc/encoders.texi | 3 | ||||
| -rw-r--r-- | libavcodec/qsvenc.c | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 8966610263..6c1c4df57a 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3403,6 +3403,9 @@ Maximum encoded slice size in bytes. @item @var{p_strategy} Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0). +@item @var{b_strategy} +This option controls usage of B frames as reference. + @item @var{dblk_idc} This option disable deblocking. It has value in range 0~2. diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index 6177fbc78c..686dfe6610 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -888,8 +888,6 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q) q->extco2.LookAheadDS = q->look_ahead_downsampling; q->extco2.RepeatPPS = q->repeat_pps ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF; - if (q->b_strategy >= 0) - q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID : MFX_B_REF_OFF; if (q->adaptive_i >= 0) q->extco2.AdaptiveI = q->adaptive_i ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF; if (q->adaptive_b >= 0) @@ -910,6 +908,10 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q) q->extco2.DisableDeblockingIdc = q->dblk_idc; #endif +#if QSV_VERSION_ATLEAST(1, 8) + if (q->b_strategy >= 0) + q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID : MFX_B_REF_OFF; +#endif #if QSV_VERSION_ATLEAST(1, 9) if (avctx->qmin >= 0 && avctx->qmax >= 0 && avctx->qmin > avctx->qmax) { av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are set but invalid, please make sure min <= max\n"); |