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Commit Graph

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