[FFmpeg-devel] [PATCH] lavc/qsvenc: add support for Screen Content Coding (SCC) extension

[Xiang, Haihao]

@Zhong, @Mark

Could you take a look at this patch when you get a chance?

Thanks
Haihao

> 
> > This patch adds support for SCC encoding on ICL+ platform
> 
> Sample pipeline:
> ffmpeg -init_hw_device qsv=qsv:hw -f lavfi -i testsrc -vf \
> "format=nv12,hwupload=extra_hw_frames=64,format=qsv" -c:v hevc_qsv \
> -profile:v scc -low_power 1 out.h265
> ---
>  libavcodec/qsvenc.c      | 3 +++
>  libavcodec/qsvenc_hevc.c | 3 +++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
> index 1ed8f5d973..29750735e0 100644
> --- a/libavcodec/qsvenc.c
> +++ b/libavcodec/qsvenc.c
> @@ -69,6 +69,9 @@ static const struct {
>      { MFX_PROFILE_HEVC_MAINSP,                  "mainsp"                },
>      { MFX_PROFILE_HEVC_REXT,                    "rext"                  },
>  #endif
> +#if QSV_VERSION_ATLEAST(1, 32)
> +    { MFX_PROFILE_HEVC_SCC,                     "scc"                   },
> +#endif
>  };
>  
>  static const char *print_profile(mfxU16 profile)
> diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
> index 347f30655e..663f21439f 100644
> --- a/libavcodec/qsvenc_hevc.c
> +++ b/libavcodec/qsvenc_hevc.c
> @@ -241,6 +241,9 @@ static const AVOption options[] = {
>      { "main10",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_PROFILE_HEVC_MAIN10  }, INT_MIN, INT_MAX,     VE, "profile" },
>      { "mainsp",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_PROFILE_HEVC_MAINSP  }, INT_MIN, INT_MAX,     VE, "profile" },
>      { "rext",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_PROFILE_HEVC_REXT    }, INT_MIN, INT_MAX,     VE, "profile" },
> +#if QSV_VERSION_ATLEAST(1, 32)
> +    { "scc",     NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_PROFILE_HEVC_SCC     }, INT_MIN, INT_MAX,     VE, "profile" },
> +#endif
>  
>      { "gpb", "1: GPB (generalized P/B frame); 0: regular P frame",
> OFFSET(qsv.gpb), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
>