OBS/obs-studio
OBS/obs-studio
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104 commits

Author SHA1 Message Date
jpark37 e79e28598b libobs,obs-filters: Use common straight alpha math 
This pattern uses fewer instructions and also avoids using max, which
does not work on infinity.

Also remove unreferenced techniques from scale filters.
 2023-11-04 18:12:22 -05:00
jpark37 e11e2133e2 libobs,obs-filters: Fix NAN when tonemapping 
Can happen when colors are wider than Rec. 2020.
 2023-10-04 19:33:54 -04:00
Lain 45e7334206 libobs: Fix shader fix not working on D3D11 
In c8d95005c1, it was incorrect assumed that just because the fix
worked on OpenGL, that the fix would also work on D3D11. Automated tests
would be ideal here, although if there were automated tests, ironically,
it wouldn't have picked this up, because we (read: I) made D3D11 fall
back to OpenGL of D3D11 failed. Basically there is no one to blame but
myself again.

This time, we've removed the OpenGL fallback in a06d6893b9 (thank you
Rodney), and additionally I properly tested on both rendering backends.

(Lain note: I'm just going to go sit in the corner for a bit and
ruminate after this)
 2023-08-16 11:19:08 -07:00
Lain 2edb9f3151 libobs: Fix default.effect not working with OpenGL 
Due to my jank transpiler, default.effect worked with Direct3D 11 but
not with OpengGL. Fixing this particular bug with the transpiler is a
bit non-trivial so instead just modify the shader to work with both.
 2023-08-15 17:11:23 -07:00
jpark37 3e80fff18e libobs: Add DrawAlphaDivide variant shaders 
Useful for future 10-bit HDR DeckLink playback support.
 2023-08-15 13:15:45 -07:00
jpark37 7669da1ea8 libobs: Add VIDEO_FORMAT_R10L 
Support 10-bit packed format that DeckLink uses.
 2023-07-29 16:41:31 -07:00
Lain 106c7aa61f Update copyrights/names 2023-05-20 01:31:18 -07:00
jpark37 7ff5dd63b9 libobs: Fix luma sampling for packed 4:2:2 sources 2023-05-06 16:31:06 -07:00
jpark37 901986cbf4 libobs,obs-filters: Align HDR to SDR disparity 
Adjust colors from BT.1886 to sRGB.
 2023-04-23 23:43:09 -07:00
Norihiro Kamae 94bf325dd9 libobs: Fix VIDEO_FORMAT_V210 shader for GLSL 2023-03-26 05:13:00 -07:00
jpark37 97843dd7d7 libobs: Add VIDEO_FORMAT_V210 
Support 10-bit packed format that DeckLink uses.
 2023-03-26 01:52:44 -07:00
jpark37 463bf0dff5 libobs,UI: Add P216/P416 pixel formats 
Will be useful for ProRes.
 2023-02-21 18:48:44 +01:00
jpark37 0efaf88caf libobs: Add PQ/HLG support for I210/I412 formats 
Seen when playing back ProRes files.
 2023-02-21 18:48:44 +01:00
jpark37 e709797d80 libobs: Add P3 shaders for Mac 2022-11-09 22:34:50 -08:00
jpark37 e119a7024d libobs: Sample video at default chroma location 
Expect left for 4:2:0 SDR and 4:2:2, and top-left for 4:2:0 HDR.

MJPEG will be a half-pixel off, but we'll live with that for now.
 2022-10-09 16:15:16 -07:00
jpark37 51c452e937 libobs: Precompute more accurate matrices 
These are generated with .NET BigInteger fractions, and late divide.
 2022-10-05 08:36:29 -07:00
jpark37 bb02620169 libobs: Add support for reading NV12/YUY2 PQ/HLG 
8-bit HDR shouldn't exist, but OBS looks broken, so just support it.
 2022-09-17 16:36:31 -07:00
jpark37 1a7e5babc2 libobs: Add support for reading I420 HLG 
Sony cameras can create 8-bit HLG videos for some reason.
 2022-09-16 03:04:23 -07:00
jpark37 3a43fc4a07 libobs: Use left chroma location for SDR 
Top-left chroma should be for Rec. 2020/2100.
 2022-07-31 00:10:50 -07:00
Anastasiia Sidorovskaia ef9c99f5f4 libobs: Set coefficients with higher precision 2022-07-25 17:41:26 -04:00
Jim 29782cd594 libobs: And fix area scaling effect with RGBA 2022-06-04 19:54:52 -07:00
Jim a33a5d2151 libobs: Fix bilinear lowres RGBA as well 2022-06-04 19:03:20 -07:00
Jim 4a2a06b22f libobs: Fix RGBA format output not working 
Due to a bug in shader parsing, it thinks that because the token
"multiplier" is used here, that the "multiplier" uniform is being used.

This is a workaround for the issue because fixing the parser is probably
going to be much more annoying than just working around the issue for
now.
 2022-06-04 17:47:47 -07:00
jpark37 bacd4713da libobs: Clear low bits when writing P010 
Don't want to rely on consumer to ignore those bits.
 2022-06-04 01:00:21 -07:00
jpark37 11da542a0d libobs: Add max_luminance to obs_source_frame 
Used in situations where source luminance is greater than HDR nominal
peak setting to avoid clipping by applying BT.2408 maxRGB EETF.
 2022-05-27 14:56:47 -07:00
jpark37 4304329d0c libobs: Ignore lower six bits for P010 sources 2022-05-17 02:46:41 -07:00
Norihiro Kamae dd43635e78 libobs: Fix reserved word in variable names 
The use of the reserved name caused initialization failure on Linux.
 2022-05-11 11:28:20 -04:00
jpark37 0f53dc28bb libobs: Reduce PQ shader math 2022-05-11 03:38:07 -07:00
jpark37 2a0d8d1c9c libobs: Add support for reading I420 PQ 
Not normally a valid combination, but Xbox writes 8-bit HDR videos.
 2022-05-08 14:12:41 -07:00
jpark37 ed835810b4 libobs: Use tabs in format_conversion.effect 2022-05-08 14:12:41 -07:00
Jim 952988d9ec
Merge pull request #6231 from mvji/prores_pix_fmt 
Add support for GPU conversion of YUV422P10LE, YUV444P12LE, YUVA444P12LE
 2022-05-04 02:01:27 -07:00
jpark37 a82bbb416f libobs: Fix NaNs when using EETF for HLG 2022-04-26 10:11:28 -07:00
jpark37 ed85307f7e libobs: Clean up color.effect a bit 2022-04-26 10:11:28 -07:00
mvji d3a8ef7128 libobs: Add support for YUV422P10LE, YUV444P12LE, YUVA444P12LE 2022-04-19 19:37:07 +02:00
jpark37 338608bd67 libobs,UI: Support HLG nominal peak level 
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).
 2022-04-14 09:36:44 -07:00
jpark37 08f50a7d22 libobs: Add more color handling to default/opaque 2022-04-13 06:23:11 -07:00
jpark37 06111d5b10 libobs: Add high-precision sRGB support 2022-04-08 17:19:23 -07:00
jpark37 0ed0f2cdb4 libobs: Add I010/P010 support, TRC enum 2022-04-03 00:01:25 -07:00
jpark37 c455aaedba libobs: Add color spaces to deinterlace shaders 2022-04-02 20:14:31 -07:00
jpark37 a8bc994f07 libobs: Add color spaces to scale shaders 2022-03-26 13:00:34 -07:00
jpark37 87ab39c412 libobs: Render main texture for active color space 
Preview will draw SDR white luminance from settings (default 300 nits)
when displayed on an HDR monitor rather than CCCS 80 nits.
 2022-03-23 22:35:27 -07:00
jpark37 4e6765a01b libobs: Remove DrawSrgbDecompressPremultiplied 
Technique is no longer referenced, and doesn't seem useful.
 2021-10-02 05:53:27 -07:00
jpark37 10cf411f99 libobs: DrawSrgbDecompress for default_rect.effect 
Necessary for upcoming fix to browser source alpha.
 2021-09-30 17:35:06 -07:00
jpark37 c9766d8e28 libobs: Add DrawSrgbDecompress default technique 
Useful when the texture does not support SRGB conversion on load.
 2021-07-11 08:26:05 -07:00
jpark37 05b507d900 libobs: DrawSrgbDecompressPremultiplied technique 
Necessary for an upcoming fix to browser source.
 2021-07-11 08:11:12 -07:00
jpark37 b70161bc67 libobs: Add DrawOpaque for rect effect 
Needed by Syphon Client.
 2021-07-04 10:35:54 -07:00
jpark37 a8f0a27a3a libobs: Remove DrawAlphaBlend technique 2021-05-11 13:12:39 -07:00
jpark37 de7cec3dee libobs: Add DrawAlphaBlend technique 
Useful when fixed-function blend does not provide enough precision.
 2021-05-05 09:43:34 -07:00
jpark37 840e2b3d43 libobs: Add DrawNonlinearAlpha technique 
This allows OBS to mimic other programs that incorrectly use alpha.

Requires premultiplied blend state.
 2021-04-24 17:18:42 -07:00
jpark37 9bdb16aa78 libobs: Fix Area shaders missing for RGB output 
Area downscale setting currently only works with YUV outputs. This adds
the missing DrawAlphaDivide technique.
 2019-08-31 00:25:24 -07:00