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libobs,UI: Support HLG nominal peak level

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HLG output uses MovieLabs-recommended procedure.

- If peak luminance is greater than 1000, use maxRGB EETF to 1000.
- Otherwise, don't tonemap.
- Then use normal HLG conversion procedure with gamma 1.2 (1000 nits).
This commit is contained in:
jpark37
2022-04-10 12:31:08 -07:00
committed by Jim
parent 93fe82d1ce
commit 338608bd67
12 changed files with 148 additions and 32 deletions
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9
UI/window-basic-main.cpp
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@@ -1497,6 +1497,8 @@ bool OBSBasic::InitBasicConfigDefaults()
config_set_default_string(basicConfig, "Video", "ColorRange",
"Partial");
config_set_default_uint(basicConfig, "Video", "SdrWhiteLevel", 300);
config_set_default_uint(basicConfig, "Video", "HdrNominalPeakLevel",
1000);
config_set_default_string(basicConfig, "Audio", "MonitoringDeviceId",
"default");
@@ -4414,8 +4416,11 @@ int OBSBasic::ResetVideo()
}
if (ret == OBS_VIDEO_SUCCESS) {
obs_set_video_sdr_white_level((float)config_get_uint(
basicConfig, "Video", "SdrWhiteLevel"));
const float sdr_white_level = (float)config_get_uint(
basicConfig, "Video", "SdrWhiteLevel");
const float hdr_nominal_peak_level = (float)config_get_uint(
basicConfig, "Video", "HdrNominalPeakLevel");
obs_set_video_levels(sdr_white_level, hdr_nominal_peak_level);
OBSBasicStats::InitializeValues();
OBSProjector::UpdateMultiviewProjectors();
}