[vlc-devel] [PATCH] avcodec: assume a source is full range if not specified and an RGB format

[Rémi Denis-Courmont]

Le perjantaina 26. tammikuuta 2018, 11.47.24 EET Steve Lhomme a écrit :
> There's a good chance that codec decoding to RGB are capture formats from
> computers using full range display.
> 
> Ref #19127
> ---
>  modules/codec/avcodec/video.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/modules/codec/avcodec/video.c b/modules/codec/avcodec/video.c
> index 6d2cf4458a..fac33d663b 100644
> --- a/modules/codec/avcodec/video.c
> +++ b/modules/codec/avcodec/video.c
> @@ -205,8 +205,19 @@ static int lavc_GetVideoFormat(decoder_t *dec,
> video_format_t *restrict fmt, * __MAX(ctx->ticks_per_frame, 1); }
> 
> -    if( ctx->color_range == AVCOL_RANGE_JPEG )
> +    switch ( ctx->color_range )
> +    {
> +    case AVCOL_RANGE_JPEG:
>          fmt->b_color_range_full = true;
> +        break;
> +    case AVCOL_RANGE_UNSPECIFIED:
> +        fmt->b_color_range_full = !vlc_fourcc_IsYUV( fmt->i_chroma );
> +        break;
> +    case AVCOL_RANGE_MPEG:
> +    default:
> +        fmt->b_color_range_full = false;
> +        break;
> +    }
> 
>      switch( ctx->colorspace )
>      {

How is that a property of libavcodec?

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