Hi,
On Thu, Sep 24, 2020 at 3:01 PM Andrew Klaassen <
clawsoon-at-yahoo....@ffmpeg.org> wrote:
> This patch adds the coefficients for the linear gamma function (1,0,1,0)
> to the colorspace filter.
>
> Signed-off-by: Andrew Klaassen <claws...@yahoo.com>
> ---
> libavfilter/vf_colorspace.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/libavfilter/vf_colorspace.c b/libavfilter/vf_colorspace.c
> index 34f13d9d3c..39af74c221 100644
> --- a/libavfilter/vf_colorspace.c
> +++ b/libavfilter/vf_colorspace.c
> @@ -179,6 +179,7 @@ static const struct TransferCharacteristics
> transfer_characteristics[AVCOL_TRC_N
> [AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 },
> [AVCOL_TRC_SMPTE170M] = { 1.099, 0.018, 0.45, 4.5 },
> [AVCOL_TRC_SMPTE240M] = { 1.1115, 0.0228, 0.45, 4.0 },
> + [AVCOL_TRC_LINEAR] = { 1.0, 0.0, 1.0, 0.0 },
> [AVCOL_TRC_IEC61966_2_1] = { 1.055, 0.0031308, 1.0 / 2.4, 12.92 },
> [AVCOL_TRC_IEC61966_2_4] = { 1.099, 0.018, 0.45, 4.5 },
> [AVCOL_TRC_BT2020_10] = { 1.099, 0.018, 0.45, 4.5 },
> @@ -990,6 +991,7 @@ static const AVOption colorspace_options[] = {
> ENUM("gamma28", AVCOL_TRC_GAMMA28, "trc"),
> ENUM("smpte170m", AVCOL_TRC_SMPTE170M, "trc"),
> ENUM("smpte240m", AVCOL_TRC_SMPTE240M, "trc"),
> + ENUM("linear", AVCOL_TRC_LINEAR, "trc"),
> ENUM("srgb", AVCOL_TRC_IEC61966_2_1, "trc"),
> ENUM("iec61966-2-1", AVCOL_TRC_IEC61966_2_1, "trc"),
> ENUM("xvycc", AVCOL_TRC_IEC61966_2_4, "trc"),
> --
> 2.26.2
Merged.
Ronald
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