On Thu, 2022-01-13 at 13:12 +0800, Wenbin Chen wrote:
> Add transform_skip option to hevc_qsv. By enabling this option,
> the transform_skip_enabled_flag in PPS will be set to 1.
> This option is supported on the platform equal or newer than CNL.
>
> Signed-off-by: Wenbin Chen <wenbin.c...@intel.com>
> ---
> doc/encoders.texi | 4 ++++
> libavcodec/qsvenc.c | 10 +++++++++-
> libavcodec/qsvenc.h | 1 +
> libavcodec/qsvenc_hevc.c | 3 +++
> 4 files changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/doc/encoders.texi b/doc/encoders.texi
> index 3d7c944fba..7714084864 100644
> --- a/doc/encoders.texi
> +++ b/doc/encoders.texi
> @@ -3447,6 +3447,10 @@ Number of rows for tiled encoding.
>
> @item @var{aud}
> Insert the Access Unit Delimiter NAL.
> +
> +@item @var{transform_skip}
> +Turn this option ON to enable transformskip. It is supported on platform
> equal
> +or newer than CNL.
> @end table
>
> @subsection MPEG2 Options
> diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
> index f2ba0241c6..4e5997c9ed 100644
> --- a/libavcodec/qsvenc.c
> +++ b/libavcodec/qsvenc.c
> @@ -358,6 +358,9 @@ static void dump_video_param(AVCodecContext *avctx,
> QSVEncContext *q,
> av_log(avctx, AV_LOG_VERBOSE, "DisableDeblockingIdc: %"PRIu32" \n", co2-
> >DisableDeblockingIdc);
> #endif
>
> +#if QSV_VERSION_ATLEAST(1, 26)
> + av_log(avctx, AV_LOG_VERBOSE, "TransformSkip: %s \n",
> print_threestate(co3->TransformSkip));
> +#endif
> }
>
> static void dump_video_vp9_param(AVCodecContext *avctx, QSVEncContext *q,
> @@ -970,10 +973,15 @@ static int init_video_param(AVCodecContext *avctx,
> QSVEncContext *q)
> #endif
> }
>
> + if (avctx->codec_id == AV_CODEC_ID_HEVC) {
> +#if QSV_VERSION_ATLEAST(1, 26)
> + q->extco3.TransformSkip = q->transform_skip ? MFX_CODINGOPTION_ON
> :
> + MFX_CODINGOPTION_OF
> F;
q->extco3.TransformSkip is set to MFX_CODINGOPTION_ON when q->transform_skip is
-1, right ? TransformSkip is tri-state flag, we may set it to
MFX_CODINGOPTION_UNKNOWN when q->transform_skip is -1.
Thanks
Haihao
> +#endif
> #if QSV_HAVE_GPB
> - if (avctx->codec_id == AV_CODEC_ID_HEVC)
> q->extco3.GPB = q->gpb ? MFX_CODINGOPTION_ON :
> MFX_CODINGOPTION_OFF;
> #endif
> + }
> q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q-
> >extco3;
> #endif
> }
> diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
> index 960604cb9a..5a574ada30 100644
> --- a/libavcodec/qsvenc.h
> +++ b/libavcodec/qsvenc.h
> @@ -200,6 +200,7 @@ typedef struct QSVEncContext {
> int repeat_pps;
> int low_power;
> int gpb;
> + int transform_skip;
>
> int a53_cc;
>
> diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
> index 08aba3011d..679c09c858 100644
> --- a/libavcodec/qsvenc_hevc.c
> +++ b/libavcodec/qsvenc_hevc.c
> @@ -251,6 +251,9 @@ static const AVOption options[] = {
> { "tile_rows", "Number of rows for tiled
> encoding", OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, 0,
> UINT16_MAX, VE },
> { "recovery_point_sei", "Insert recovery point SEI
> messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64
> = -1 }, -1, 1, VE },
> { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud),
> AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE},
> +#if QSV_VERSION_ATLEAST(1, 26)
> + { "transform_skip", "Turn this option ON to enable
> transformskip", OFFSET(qsv.transform_skip), AV_OPT_TYPE_INT, {
> .i64 = -1}, -1, 1, VE},
> +#endif
>
> { NULL },
> };
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