[FFmpeg-devel] [PATCH] avcodec: Add smpte2084 transfer function to videotoolboxenc

[Michael Niedermayer]

On Wed, Jun 12, 2019 at 09:44:26AM +0200, Nomis101 🐝 wrote:
> This patch will add support of the smpte2084 transfer function to videotoolboxenc. kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ is available on macOS 10.13 and up.
> This is on the bug tracker at https://trac.ffmpeg.org/ticket/7953
> 
> diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
> index 3665581283..e786ebe3a7 100644
> --- a/libavcodec/videotoolboxenc.c
> +++ b/libavcodec/videotoolboxenc.c
> @@ -909,6 +909,12 @@ static int get_cv_transfer_function(AVCodecContext *avctx,
>          case AVCOL_TRC_SMPTE240M:
>              *transfer_fnc = kCVImageBufferTransferFunction_SMPTE_240M_1995;
>              break;
> +
> +#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300
> +        case AVCOL_TRC_SMPTE2084:
> +            *transfer_fnc = kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
> +            break;
> +#endif
> 
>          case AVCOL_TRC_GAMMA22:
>              gamma = 2.2;

git does not like this patch

Applying: avcodec: Add smpte2084 transfer function to videotoolboxenc
Using index info to reconstruct a base tree...
error: patch failed: libavcodec/videotoolboxenc.c:909
error: libavcodec/videotoolboxenc.c: patch does not apply
error: Did you hand edit your patch?
It does not apply to blobs recorded in its index.


[..]


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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No human being will ever know the Truth, for even if they happen to say it
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