diff options
| author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2017-06-05 16:05:11 -0400 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2017-06-06 11:22:52 -0400 |
| commit | d9909b11d9b044e023daefb75de219d643af4d7f (patch) | |
| tree | 298e80fd01223455604fcd551110a4cd9fdbe701 /libavfilter/vf_colorspace.c | |
| parent | 18bca25adbae9d010d75f9fc197c0af656af758d (diff) | |
vf_colorspace: Add support for gbr color space
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Diffstat (limited to 'libavfilter/vf_colorspace.c')
| -rw-r--r-- | libavfilter/vf_colorspace.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavfilter/vf_colorspace.c b/libavfilter/vf_colorspace.c index 0024505a44..0b1bc81f99 100644 --- a/libavfilter/vf_colorspace.c +++ b/libavfilter/vf_colorspace.c @@ -183,6 +183,13 @@ static const double ycgco_matrix[3][3] = { 0.5, 0, -0.5 }, }; +static const double gbr_matrix[3][3] = +{ + { 0, 1, 0 }, + { 0, -0.5, 0.5 }, + { 0.5, -0.5, 0 }, +}; + /* * All constants explained in e.g. https://linuxtv.org/downloads/v4l-dvb-apis/ch02s06.html * The older ones (bt470bg/m) are also explained in their respective ITU docs @@ -196,6 +203,7 @@ static const struct LumaCoefficients luma_coefficients[AVCOL_SPC_NB] = { [AVCOL_SPC_BT709] = { 0.2126, 0.7152, 0.0722 }, [AVCOL_SPC_SMPTE240M] = { 0.212, 0.701, 0.087 }, [AVCOL_SPC_YCOCG] = { 0.25, 0.5, 0.25 }, + [AVCOL_SPC_RGB] = { 1, 1, 1 }, [AVCOL_SPC_BT2020_NCL] = { 0.2627, 0.6780, 0.0593 }, [AVCOL_SPC_BT2020_CL] = { 0.2627, 0.6780, 0.0593 }, }; @@ -222,6 +230,9 @@ static void fill_rgb2yuv_table(const struct LumaCoefficients *coeffs, if (coeffs->cr == 0.25 && coeffs->cg == 0.5 && coeffs->cb == 0.25) { memcpy(rgb2yuv, ycgco_matrix, sizeof(double) * 9); return; + } else if (coeffs->cr == 1 && coeffs->cg == 1 && coeffs->cb == 1) { + memcpy(rgb2yuv, gbr_matrix, sizeof(double) * 9); + return; } rgb2yuv[0][0] = coeffs->cr; @@ -1074,6 +1085,7 @@ static const AVOption colorspace_options[] = { ENUM("smpte170m", AVCOL_SPC_SMPTE170M, "csp"), ENUM("smpte240m", AVCOL_SPC_SMPTE240M, "csp"), ENUM("ycgco", AVCOL_SPC_YCGCO, "csp"), + ENUM("gbr", AVCOL_SPC_RGB, "csp"), ENUM("bt2020ncl", AVCOL_SPC_BT2020_NCL, "csp"), { "range", "Output color range", |