[FFmpeg-devel] [PATCH] swscale: treat gray as a jpeg style format

[wm4]

On Sat,  6 Jul 2013 03:28:01 +0200
Michael Niedermayer <michaelni at gmx.at> wrote:

> Fixes Ticket2684
> 
> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> ---
>  libswscale/utils.c                                |    2 +
>  tests/ref/fate/filter-alphaextract_alphamerge_rgb |  100 +++---
>  tests/ref/fate/filter-alphaextract_alphamerge_yuv |  100 +++---
>  tests/ref/fate/filter-edgedetect                  |    2 +-
>  tests/ref/fate/filter-gradfun-sample              |   40 +--
>  tests/ref/fate/filter-pixdesc                     |    2 +-
>  tests/ref/fate/filter-pixfmts-copy                |    2 +-
>  tests/ref/fate/filter-pixfmts-crop                |    2 +-
>  tests/ref/fate/filter-pixfmts-field               |    2 +-
>  tests/ref/fate/filter-pixfmts-hflip               |    2 +-
>  tests/ref/fate/filter-pixfmts-il                  |    2 +-
>  tests/ref/fate/filter-pixfmts-null                |    2 +-
>  tests/ref/fate/filter-pixfmts-pad                 |    2 +-
>  tests/ref/fate/filter-pixfmts-rotate              |    2 +-
>  tests/ref/fate/filter-pixfmts-scale               |    2 +-
>  tests/ref/fate/filter-pixfmts-tinterlace_merge    |    2 +-
>  tests/ref/fate/filter-pixfmts-tinterlace_pad      |    2 +-
>  tests/ref/fate/filter-pixfmts-vflip               |    2 +-
>  tests/ref/fate/gifenc-gray                        |  346
> ++++++++++-----------
> tests/ref/lavf/pam                                |    4 +-
> tests/ref/lavf/pgm                                |    4 +-
> tests/ref/lavf/pgmpipe                            |    4 +-
> tests/ref/lavf/pixfmt                             |    2 +-
> tests/ref/lavf/xwd                                |    4 +-
> tests/ref/vsynth/vsynth1-qtrlegray                |    8 +-
> tests/ref/vsynth/vsynth2-qtrlegray                |    6 +- 26 files
> changed, 325 insertions(+), 323 deletions(-)
> 
> diff --git a/libswscale/utils.c b/libswscale/utils.c
> index fb0a7ad..5170321 100644
> --- a/libswscale/utils.c
> +++ b/libswscale/utils.c
> @@ -1012,6 +1012,8 @@ static int handle_jpeg(enum AVPixelFormat
> *format) case AV_PIX_FMT_YUVJ440P:
>          *format = AV_PIX_FMT_YUV440P;
>          return 1;
> +    case AV_PIX_FMT_GRAY8:
> +        return 1;
>      default:
>          return 0;
>      }

Maybe I'm missing something, but isn't the range supposed to be
controlled by the parameters passed to sws_setColorspaceDetails?