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Code Issues Releases Activity

libavcodec/qsvenc: Add transform skip to hevc_qsv

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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 ICL.

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This commit is contained in:
Wenbin Chen 2022-01-17 13:11:22 +08:00 committed by Haihao Xiang
parent 9d6cc6a544
commit 1fe78f8419
4 changed files with 20 additions and 1 deletions
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4
doc/encoders.texi
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@ -3453,6 +3453,10 @@ Insert the Access Unit Delimiter NAL.
@item @var{pic_timing_sei}
Insert picture timing SEI with pic_struct_syntax element.
@item @var{transform_skip}
Turn this option ON to enable transformskip. It is supported on platform equal
or newer than ICL.
@end table
@subsection MPEG2 Options

13
libavcodec/qsvenc.c
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@ -361,6 +361,9 @@ 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,
@ -972,10 +975,18 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
#endif
}
if (avctx->codec_id == AV_CODEC_ID_HEVC) {
#if QSV_VERSION_ATLEAST(1, 26)
if (q->transform_skip >= 0)
q->extco3.TransformSkip = q->transform_skip ? MFX_CODINGOPTION_ON :
MFX_CODINGOPTION_OFF;
else
q->extco3.TransformSkip = MFX_CODINGOPTION_UNKNOWN;
#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
}

1
libavcodec/qsvenc.h
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@ -200,6 +200,7 @@ typedef struct QSVEncContext {
int repeat_pps;
int low_power;
int gpb;
int transform_skip;
int a53_cc;

3
libavcodec/qsvenc_hevc.c
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@ -255,6 +255,9 @@ static const AVOption options[] = {
{ "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},
{ "pic_timing_sei", "Insert picture timing SEI with pic_struct_syntax element", OFFSET(qsv.pic_timing_sei), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 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 },
};