e1c613666e
Always find largest drm buf, to fix some cases when there are multiple planes and we accidentally capture a drm buf that isn't the target buf. We always want the full SCREEN drm buf.
62 lines
5.2 KiB
Plaintext
62 lines
5.2 KiB
Plaintext
Check for reparent.
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Quickly changing workspace and back while recording under i3 breaks the screen recorder. i3 probably unmaps windows in other workspaces.
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See https://trac.ffmpeg.org/wiki/EncodingForStreamingSites for optimizing streaming.
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Look at VK_EXT_external_memory_dma_buf.
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Allow setting a different output resolution than the input resolution.
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Use mov+faststart.
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Allow recording all monitors/selected monitor without nvfbc by recording the compositor proxy window and only recording the part that matches the monitor(s).
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Allow recording a region by recording the compositor proxy window / nvfbc window and copying part of it.
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Use nvenc directly, which allows removing the use of cuda.
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Handle xrandr monitor change in nvfbc.
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Implement follow focused in drm.
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Support fullscreen capture on amd/intel using external kms process.
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Support amf and qsv.
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Disable flipping on nvidia? this might fix some stuttering issues on some setups. See NvCtrlGetAttribute/NvCtrlSetAttributeAndGetStatus NV_CTRL_SYNC_TO_VBLANK https://github.com/NVIDIA/nvidia-settings/blob/d5f022976368cbceb2f20b838ddb0bf992f0cfb9/src/gtk%2B-2.x/ctkopengl.c.
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Replays seem to have some issues with audio/video. Why?
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Cleanup unused gl/egl functions, macro, etc.
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Add option to disable overlapping of replays (the old behavior kinda. Remove the whole replay buffer data after saving when doing this).
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Set audio track name to audio device name (if not merge of multiple audio devices).
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Add support for webcam, but only really for amd/intel because amd/intel can get drm fd access to webcam, nvidia cant. This allows us to create an opengl texture directly from the webcam fd for optimal performance.
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Reverse engineer nvapi so we can disable "force p2 state" on linux too (nvapi profile api with the settings id 0x50166c5e).
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Support yuv444p on amd/intel.
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fix yuv444 for hevc.
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Do not allow streaming if yuv444.
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Re-enable yuv444.
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Support 10 bit output because of better gradients. May even be smaller file size. Better supported on hevc (not supported at all on h264 on my gpu).
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Add nvidia/(amd/intel) specific install script for ubuntu. User should run install_ubuntu.sh but it should run different install dep script depending on if /proc/driver/nvidia/version exists or not. But what about switchable graphics setup?
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Test different combinations of switchable graphics. Intel hybrid mode (running intel but possible to run specific applications with prime-run), running pure intel. Detect switchable graphics.
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https://web.archive.org/web/20210306020203/https://forums.developer.nvidia.com/t/performance-power-management-problem-on-shared-vgpu/161986
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https://djdallmann.github.io/GamingPCSetup/CONTENT/RESEARCH/FINDINGS/registrykeys_displayadapter_class_4d36e968-e325-11ce-bfc1-08002be10318.txt
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The video output will be black if if the system is suspended on nvidia and NVreg_PreserveVideoMemoryAllocations is not set to 1. This happens because I think that the driver invalidates textures/cuda buffers? To fix this we could try and recreate gsr capture when gsr_capture_capture fails (with timeout to retry again).
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NVreg_RegistryDwords.
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Restore nvfbc screen recording on monitor reconfiguration.
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Window capture doesn't work properly in _control_ game after going from pause menu to in-game (and back to pause menu). There might be some x11 event we need to catch. Same for vr-video-player.
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Fix constant framerate not working properly on amd/intel because capture framerate gets locked to the same framerate as game framerate, which doesn't work well when you need to encode multiple duplicate frames. We can skip multiple encode if we duplicate frame once and then use that same frame data as the difference between frames will be exactly the same, but hevc complains about that. Is there a way to make hevc shut up?
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JPEG color range on amd seems to produce too bright video with h264 but not hevc, why?
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Properly handle monitor reconfiguration (kms vaapi, nvfbc).
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Better configure vaapi. The file size is too large.
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Better colors for vaapi. It looks a bit off when recording vscode for example.
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Clear vaapi surface (for focused window).
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Window capture performance on steam deck isn't good when playing the witcher 3 for example. The capture itself is fine but video encoding puts it to 30fps even if the game runs at 57 fps.
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Monitor capture on steam deck is slightly below the game fps, but only when capturing on the steam deck screen. If capturing on another monitor, there is no issue.
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Is this related to the dma buf rotation issue? different modifier being slow? does this always happen?
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Make sure rgb to yuv color conversion is 100% correct.
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Fallback to vaapi copy in kms if opengl version fails. This can happen on steam deck for some reason (driver bug?). Also vaapi copy uses less gpu since it uses video codec unit to copy.
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Test if vaapi copy version uses less memory than opengl version.
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Intel is a bit weird with monitor capture and multiple monitors. If one of the monitors is rotated then all the kms will be rotated as well.
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Is that only the case when the primary monitor is rotated? Also the primary monitor becomes position 0, 0 so crtc (x11 randr) position doesn't match the drm pos. Maybe get monitor position and size from drm instead.
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How about if multiple monitors are rotated?
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When using multiple monitors kms grab the target monitor instead of the whole screen. |