Do not automatically install coolbits because if used on amd/intel then xorg wont boot
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@ -20,14 +20,13 @@ When recording GTA V at 4k on highest settings, fps drops from 60 to 23 when usi
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It is recommended to save the video to a SSD because of the large file size, which a slow HDD might not be fast enough to handle.
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## Note about optimal performance on NVIDIA
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NVIDIA driver has a "feature" (read: bug) where it will downclock memory transfer rate when a program uses cuda, such as GPU Screen Recorder. To work around this bug, GPU Screen Recorder can overclock your GPU memory transfer rate to it's normal optimal level.\
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To enable overclocking for optimal performance use the `-oc` option when running GPU Screen Recorder. You also need to have "Coolbits" NVIDIA X setting set to "12" to enable overclocking. This setting is automatically installed if you run the install script (`install.sh` or `install_ubuntu.sh`), however if you use flatpak then you need to manually run `install_coolbits.sh` and then reboot your computer.\
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To enable overclocking for optimal performance use the `-oc` option when running GPU Screen Recorder. You also need to have "Coolbits" NVIDIA X setting set to "12" to enable overclocking. You can automatically add this option if you run `install_coolbits.sh` and then reboot your computer.\
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Note that this only works when Xorg server is running as root, and using this option will only give you a performance boost if the game you are recording is bottlenecked by your GPU.\
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Obs! use at your own risk!
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Note! use at your own risk!
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# Installation
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If you are running an Arch Linux based distro, then you can find gpu screen recorder on aur under the name gpu-screen-recorder-git (`yay -S gpu-screen-recorder-git`).\
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If you are running an Ubuntu based distro then run `install_ubuntu.sh` as root: `sudo ./install_ubuntu.sh`. But it's recommended that you use the flatpak version of gpu-screen-recorder if you use an older version of ubuntu as the ffmpeg version will be old and wont support the best quality options.\
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Note that if you use the flatpak version then you wont be able to use overclocking unless you set "Coolbits" NVIDIA X setting (which you can do by running `install_coolbits.sh` and then rebooting).\
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If you are running another distro then you can run `install.sh` as root: `sudo ./install.sh`, but you need to manually install the dependencies, as described below.\
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You can also install gpu screen recorder ([the gtk gui version](https://git.dec05eba.com/gpu-screen-recorder-gtk/)) from [flathub](https://flathub.org/apps/details/com.dec05eba.gpu_screen_recorder).
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@ -9,5 +9,4 @@ cd "$script_dir"
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install -Dm755 "gpu-screen-recorder" "/usr/local/bin/gpu-screen-recorder"
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install -Dm755 "gpu-screen-recorder" "/usr/bin/gpu-screen-recorder"
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./install_coolbits.sh
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echo "Successfully installed gpu-screen-recorder"
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@ -644,7 +644,7 @@ static void usage() {
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" This option has be between 5 and 1200. Note that the replay buffer size will not always be precise, because of keyframes. Optional, disabled by default.\n");
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fprintf(stderr, " -k Video codec to use. Should be either 'auto', 'h264' or 'h265'. Defaults to 'auto' which defaults to 'h265' on nvidia unless recording at a higher resolution than 3840x2160. On AMD/Intel this defaults to 'auto' which defaults to 'h264'. Forcefully set to 'h264' if -c is 'flv'.\n");
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fprintf(stderr, " -ac Audio codec to use. Should be either 'aac', 'opus' or 'flac'. Defaults to 'opus' for .mp4/.mkv files, otherwise defaults to 'aac'. 'opus' and 'flac' is only supported by .mp4/.mkv files. 'opus' is recommended for best performance and smallest audio size.\n");
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fprintf(stderr, " -oc Overclock memory transfer rate to the maximum performance level. This only applies to NVIDIA and exists to overcome a bug in NVIDIA driver where performance level is dropped when you record a game. Only needed if you are recording a game that is bottlenecked by GPU. Works only if your have \"Coolbits\" set to \"12\" in NVIDIA X settings, see README for more information. Obs! use at your own risk! Optional, disabled by default\n");
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fprintf(stderr, " -oc Overclock memory transfer rate to the maximum performance level. This only applies to NVIDIA and exists to overcome a bug in NVIDIA driver where performance level is dropped when you record a game. Only needed if you are recording a game that is bottlenecked by GPU. Works only if your have \"Coolbits\" set to \"12\" in NVIDIA X settings, see README for more information. Note! use at your own risk! Optional, disabled by default\n");
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fprintf(stderr, " -o The output file path. If omitted then the encoded data is sent to stdout. Required in replay mode (when using -r). In replay mode this has to be an existing directory instead of a file.\n");
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fprintf(stderr, "NOTES:\n");
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fprintf(stderr, " Send signal SIGINT (Ctrl+C) to gpu-screen-recorder to stop and save the recording (when not using replay mode).\n");
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