Cameron Gutman
b108684edc
Handle missing bitstream restrictions element in H.264 SPS fixup
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NVENC on the 591.59 driver seems to not include the bitstream
restrictions element, which renders our attempt to set the
max_dec_frame_buffering value ineffective. Handle this by
providing inserting default bitstream restrictions if one
is not present.
2025-12-30 17:12:37 -06:00
Cameron Gutman
b6d10a34c8
Update blocking swap buffer opt-out comment
2025-12-30 15:43:31 -06:00
Cameron Gutman
232ff0b3c6
Revert "Remove opt-out of blocking swap buffers logic for KMSDRM"
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This significantly hurts performance on slower GPUs by preventing
the pipelining required when frametimes exceed the video frame
interval.
This reverts commit c26e437f40
2025-12-30 15:39:47 -06:00
Cameron Gutman
c5960c3e15
Always use display scaling with the KMSDRM video driver
2025-12-30 15:39:32 -06:00
Cameron Gutman
b48cbd76f5
Fix implicit fallthrough warning
2025-12-30 15:32:15 -06:00
Cameron Gutman
ceef792f04
Use display scaling to improve performance on slow GPUs
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This dramatically improves performance for lower resolution
streams on slow GPUs when using the GL and Vulkan renderers.
2025-12-30 15:00:47 -06:00
Cameron Gutman
c26e437f40
Remove opt-out of blocking swap buffers logic for KMSDRM
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We don't set SDL_HINT_VIDEO_DOUBLE_BUFFER since b1c77ff
2025-12-29 16:51:03 -06:00
Cameron Gutman
e89f63b8fb
Skip unnecessary glClear() on X11
2025-12-29 16:50:15 -06:00
Cameron Gutman
93dc6d6b60
Convert Metal shaders to FP16
2025-12-29 01:45:49 -06:00
Cameron Gutman
3e5aa9b127
Simplify EGLImageFactory and remove caching logic for now
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The platforms that would most benefit (embedded V4L2 decoders)
either don't use frame pooling or don't synchronize with
modified DMA-BUFs unless eglCreateImage() is called each time.
2025-12-28 17:54:31 -06:00
Cameron Gutman
085480e9f4
Add EGLImage caching to improve performance
2025-12-28 17:08:45 -06:00
Cameron Gutman
c3ce0918b3
Optimize blending in DXVA2 and D3D11VA renderers
2025-12-28 13:53:13 -06:00
Cameron Gutman
c5b7a9c679
Optimize EGLRenderer with overlay VAOs and reduced GL_BLEND usage
2025-12-28 13:14:16 -06:00
Cameron Gutman
f1451a0db3
Fix UB due to missing shader attribute location binding
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Mesa drivers seem to generally bind attributes in order, but the
proprietary PowerVR driver (pvr) doesn't and renders incorrectly
as a result.
2025-12-27 23:56:17 -06:00
Cameron Gutman
8a5f34fb01
Remove logic to force the OpenGL ES library to load
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This isn't necessary now that we turn on EGL everywhere,
and it breaks OpenGL ES 2.0 support too.
2025-12-27 23:11:53 -06:00
Cameron Gutman
d1f43ca258
Use ESSL 1.0 for EGLRenderer shaders
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We still ostensibly support GLES 2.0 GPUs.
2025-12-27 22:56:20 -06:00
Cameron Gutman
249c29b74c
Allow GL_IS_SLOW and VULKAN_IS_SLOW to be overridden at runtime
2025-12-27 21:40:32 -06:00
Cameron Gutman
1cf207de07
Allow overriding FFmpeg AVOptions via environment variable
2025-12-27 21:07:04 -06:00
Cameron Gutman
4f08d52754
Enable DRM_PRIME frames for the TH1520
2025-12-27 15:40:59 -06:00
Cameron Gutman
41ad3c0938
Add environment variable override helper function
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This allows FORCE_QT_GLES and SEPARATE_TEST_DECODER to override both true and false.
2025-12-27 15:33:39 -06:00
Cameron Gutman
21fb2832e1
Fix CLI exit after unexpected stream termination
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Fixes #939
2025-12-27 13:33:46 -06:00
Cameron Gutman
b80d2a00c0
Fix SIGTERM unexpectedly quitting the host app
2025-12-23 01:09:21 -06:00
Cameron Gutman
85ea28287e
Add workaround for AV1 reinit bug and quiet some debug output
2025-12-23 00:59:19 -06:00
Cameron Gutman
a6f8901a18
Reuse the test decoder to improve startup performance
2025-12-23 00:32:36 -06:00
Cameron Gutman
d501a627f0
Test all renderers before use
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Every renderer except SDL had opted-in for testing due to various
quirks discovered over the years, so just do away with this option
and test all renderers.
2025-12-22 23:58:26 -06:00
Cameron Gutman
526d815930
Don't fall back to the generic hwaccel for DRM_PRIME formats
2025-12-22 15:06:20 -06:00
Cameron Gutman
7f54662160
Autoselect AV1 over H.264 on RK3588
2025-12-21 14:59:08 -06:00
Cameron Gutman
f66285ddba
Fix spurious HEVC software decode warning if AV1 is forced without HEVC hardware decoding
2025-12-21 14:36:22 -06:00
Cameron Gutman
4a591069ac
Add custom signal handlers to arbitrate between Qt and SDL
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Fixes #1496
2025-12-14 18:57:26 -06:00
Cameron Gutman
c71b513bc4
Pump the Qt event loop before creating the SDL window
2025-12-14 18:09:20 -06:00
Cameron Gutman
700655c051
Remove the fixed delay for starting the connection
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The StreamSegue already handles delaying to allow the warnings to be visible.
2025-12-14 17:57:20 -06:00
Cameron Gutman
3425fec33d
Use EGL+GLES workaround for Nvidia X11
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We can avoid disabling EGL entirely by forcing Qt to use GLES,
which is not impacted by the black window issue. This lets us
simplify back to EGL everywhere.
2025-12-14 16:21:32 -06:00
Cameron Gutman
de844f2a0c
Deprioritize the Nvidia VAAPI driver if Vulkan or CUDA are available
2025-12-11 20:13:14 -06:00
Cameron Gutman
54163e30d0
Disable EGL on Nvidia XWayland environments too
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It renders a black window, just like native X11.
2025-12-11 20:13:14 -06:00
Cameron Gutman
26f96a20a9
Fix implicit fall-through warnings
2025-12-07 18:58:25 -06:00
Cameron Gutman
dbcc6a9089
Improve initialization performance when using Vulkan Video decoding
2025-12-07 17:57:22 -06:00
Cameron Gutman
9c6d2bab19
Use EGL_VENDOR instead of NV-CONTROL for Nvidia detection
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The latter will still match on a hybrid system when the iGPU's EGL
implementation is in use. This scenario works properly with EGL
rendering in Qt and SDL, so we want to allow that.
2025-12-06 11:20:03 -06:00
Cameron Gutman
c92dc2495e
Don't use vaPutSurface() if there are no valid subpicture formats
2025-12-05 23:52:41 -06:00
Cameron Gutman
1c24aada0a
Never use X11 EGL on Nvidia proprietary drivers
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Fixes #1751
2025-12-05 23:10:31 -06:00
Cameron Gutman
58f9b2a83b
Use opaque black in ClearRenderTargetView()
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Intel's old Gen9 performance guide says it's a little faster.
2025-12-01 22:39:28 -06:00
Cameron Gutman
d3c23b55dc
Disable the VAAPI RFI latency workaround by default
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I can no longer reproduce this issue on the same system running
Ubuntu 24.04 with the core22-based edge channel snap anymore.
2025-11-30 22:23:09 -06:00
Cameron Gutman
f0821d9543
Use D3D11_COPY_DISCARD when updating our video texture
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This ensures the driver knows it doesn't have to synchronize with the previous texture data.
2025-11-24 18:49:19 -06:00
Cameron Gutman
4164a222ae
Consolidate D3D11 constant buffers now that all shaders need a CSC constant buffer
2025-11-24 18:47:14 -06:00
Cameron Gutman
245cd7f1a8
Don't trim the alignment padding with CopySubresourceRegion()
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The shader already handles trimming for the bound output texture case.
2025-11-24 01:44:51 -06:00
Cameron Gutman
62816a6b2a
Prioritize AV1 over H.264 if HEVC is unavailable on Windows
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Some Windows PCs are shipping with HEVC disabled in firmware, even though they support AV1.
2025-11-24 00:06:40 -06:00
Cameron Gutman
f5ef201905
Create a separate X11 Display object for libva
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Sharing these directly is fraught with concurrency issues that
require extreme care on both sides to avoid spurious X11 errors,
hangs, and other nasty stuff. We can't necessarily depend on SDL,
libva, or the underlying VA drivers to do the right thing here.
Using a new Display (as FFmpeg does for VAAPI and VDPAU) avoids
all these problems.
2025-11-23 13:26:46 -06:00
Cameron Gutman
01288be937
Use the same X display name for VDPAU that SDL is using
2025-11-23 13:20:36 -06:00
Cameron Gutman
d40999ce06
Don't reset Qt's OpenGL state
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We're using a different EGL context for SDL, so it's unnecessary.
2025-11-22 19:47:52 -06:00
Cameron Gutman
54283ce0a1
Rework session initialization to return to the Qt event loop while connecting
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We also display multiple launch warnings at the same time
2025-11-22 17:09:16 -06:00
Cameron Gutman
379d5ca376
Fix some compiler warnings
2025-11-15 13:34:11 -06:00
