Richard Kern, please help to review the patch.
On Wed, Jun 26, 2019 at 06:57:59PM +0800, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Below is the testing ffmpeg command for the setting:
> ./ffmpeg -i input.ts -c:v hevc_videotoolbox -color_primaries bt2020
> -colorspace bt2020_ncl -color_trc smpte2084 smpte2048.ts
> ./ffmpeg -i input.ts -c:v hevc_videotoolbox -color_primaries bt2020
> -colorspace bt2020_ncl -color_trc linear linear.ts
> ./ffmpeg -i input.ts -c:v hevc_videotoolbox -color_primaries bt2020
> -colorspace bt2020_ncl -color_trc arib-std-b67 hlg.ts
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> configure | 6 ++++++
> libavcodec/videotoolboxenc.c | 16 ++++++++++++++++
> 2 files changed, 22 insertions(+)
>
> diff --git a/configure b/configure
> index 7cea9d4d73..0a5e940c0c 100755
> --- a/configure
> +++ b/configure
> @@ -2260,6 +2260,9 @@ TOOLCHAIN_FEATURES="
> TYPES_LIST="
> kCMVideoCodecType_HEVC
> kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange
> + kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ
> + kCVImageBufferTransferFunction_ITU_R_2100_HLG
> + kCVImageBufferTransferFunction_Linear
> socklen_t
> struct_addrinfo
> struct_group_source_req
> @@ -6044,6 +6047,9 @@ enabled videotoolbox && {
> check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString
> "-framework CoreServices"
> check_func_headers CoreMedia/CMFormatDescription.h
> kCMVideoCodecType_HEVC "-framework CoreMedia"
> check_func_headers CoreVideo/CVPixelBuffer.h
> kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo"
> + check_func_headers CoreVideo/CVImageBuffer.h
> kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ "-framework CoreVideo"
> + check_func_headers CoreVideo/CVImageBuffer.h
> kCVImageBufferTransferFunction_ITU_R_2100_HLG "-framework CoreVideo"
> + check_func_headers CoreVideo/CVImageBuffer.h
> kCVImageBufferTransferFunction_Linear "-framework CoreVideo"
> }
>
> check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
> diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
> index f8ccdea52d..0dc6eb4cf4 100644
> --- a/libavcodec/videotoolboxenc.c
> +++ b/libavcodec/videotoolboxenc.c
> @@ -915,6 +915,22 @@ static int get_cv_transfer_function(AVCodecContext
> *avctx,
> *transfer_fnc = kCVImageBufferTransferFunction_SMPTE_240M_1995;
> break;
>
> +#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_2084_PQ
> + case AVCOL_TRC_SMPTE2084:
> + *transfer_fnc = kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
> + break;
> +#endif
> +#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_LINEAR
> + case AVCOL_TRC_LINEAR:
> + *transfer_fnc = kCVImageBufferTransferFunction_Linear;
> + break;
> +#endif
> +#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
> + case AVCOL_TRC_ARIB_STD_B67:
> + *transfer_fnc = kCVImageBufferTransferFunction_ITU_R_2100_HLG;
> + break;
> +#endif
> +
> case AVCOL_TRC_GAMMA22:
> gamma = 2.2;
> *transfer_fnc = kCVImageBufferTransferFunction_UseGamma;
> --
> 2.21.0
>
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