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author | Niklas Haas <git@nand.wakku.to> | 2016-06-28 14:28:32 +0200 |
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committer | wm4 <wm4@nowhere> | 2016-06-28 19:48:29 +0200 |
commit | dc9a5cbfd7c30d4f0597ec0aad91dadf63defbba (patch) | |
tree | 2bb156f5f84643068e34e4817860597f73c262dc /video/csputils.c | |
parent | 65499d863a41cd7403302b8b635e18b764d4f9eb (diff) | |
download | mpv-dc9a5cbfd7c30d4f0597ec0aad91dadf63defbba.tar.bz2 mpv-dc9a5cbfd7c30d4f0597ec0aad91dadf63defbba.tar.xz |
vo_opengl: revise the transfer curve logic
Instead of hard-coding a big list, move some of the functionality
to csputils. Affects both the auto-guess blacklist and the peak
estimation.
Also update the comments.
Diffstat (limited to 'video/csputils.c')
-rw-r--r-- | video/csputils.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/video/csputils.c b/video/csputils.c index 65b26acb3a..d419152e2c 100644 --- a/video/csputils.c +++ b/video/csputils.c @@ -437,6 +437,31 @@ struct mp_csp_primaries mp_get_csp_primaries(enum mp_csp_prim spc) } } +// Get the relative peak of a transfer curve, that is: (source reference / +// display reference), or 0 if there is none (i.e. source has an absolute peak) +float mp_csp_trc_rel_peak(enum mp_csp_trc trc) +{ + switch (trc) { + case MP_CSP_TRC_SMPTE_ST2084: return 0.0; // This has a fixed peak + case MP_CSP_TRC_ARIB_STD_B67: return 12.0; + case MP_CSP_TRC_V_LOG: return 46.0855; + } + + return 1.0; +} + +bool mp_trc_is_hdr(enum mp_csp_trc trc) +{ + switch (trc) { + case MP_CSP_TRC_SMPTE_ST2084: + case MP_CSP_TRC_ARIB_STD_B67: + case MP_CSP_TRC_V_LOG: + return true; + } + + return false; +} + // Compute the RGB/XYZ matrix as described here: // http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html static void mp_get_rgb2xyz_matrix(struct mp_csp_primaries space, float m[3][3]) |