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| author | Uoti Urpala <uau@glyph.nonexistent.invalid> | 2010-05-12 03:52:43 +0300 |
|---|---|---|
| committer | Uoti Urpala <uau@glyph.nonexistent.invalid> | 2010-05-12 03:55:32 +0300 |
| commit | 67482de5a7872e63f90c0ec7ac880131638585b8 (patch) | |
| tree | f0630b46a655939ba49612f35e42f0361fea7b26 /libvo | |
| parent | 0ae292fbcb03fadd57501b831603783c5a5a5754 (diff) | |
| download | mpv-67482de5a7872e63f90c0ec7ac880131638585b8.tar.bz2 mpv-67482de5a7872e63f90c0ec7ac880131638585b8.tar.xz | |
vo_vdpau: add option for studio level output
Add -vo vdpau suboption "studio" to produce output in RGB range
16-235. Man page description mostly taken from a patch by Lauri
Mylläri (but not code). Also slightly tweak the description of two
other suboptions on the man page.
Diffstat (limited to 'libvo')
| -rw-r--r-- | libvo/vo_vdpau.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libvo/vo_vdpau.c b/libvo/vo_vdpau.c index e6c21663e8..7f0e222b56 100644 --- a/libvo/vo_vdpau.c +++ b/libvo/vo_vdpau.c @@ -126,6 +126,7 @@ struct vdpctx { VdpVideoMixer video_mixer; int user_colorspace; int colorspace; + int studio_levels; int deint; int deint_type; int deint_counter; @@ -583,6 +584,19 @@ static void update_csc_matrix(struct vo *vo) vdp_st = vdp->generate_csc_matrix(&vc->procamp, vdp_colors[csp], &matrix); CHECK_ST_WARNING("Error when generating CSC matrix"); + if (vc->studio_levels) { + /* Modify matrix to change output range from 0..255 to 16..235. + * Clipping limits can't be changed, so out-of-range results that + * would have been clipped to 0 or 255 before can still go below + * 16 or above 235. + */ + for (int i = 0; i < 3; i++) { + for (int j = 0; j < 4; j++) + matrix[i][j] *= 220. / 256; + matrix[i][3] += 16. / 256; + } + } + set_video_attribute(vc, VDP_VIDEO_MIXER_ATTRIBUTE_CSC_MATRIX, &matrix, "CSC matrix"); } @@ -1598,6 +1612,7 @@ static int preinit(struct vo *vo, const char *arg) {"denoise", OPT_ARG_FLOAT, &vc->denoise, NULL}, {"sharpen", OPT_ARG_FLOAT, &vc->sharpen, NULL}, {"colorspace", OPT_ARG_INT, &vc->user_colorspace, NULL}, + {"studio", OPT_ARG_BOOL, &vc->studio_levels, NULL}, {"hqscaling", OPT_ARG_INT, &vc->hqscaling, NULL}, {"fps", OPT_ARG_FLOAT, &vc->user_fps, NULL}, {"queuetime_windowed", OPT_ARG_INT, &vc->flip_offset_window, NULL}, |