Update readme about flatpak

README.md

@@ -35,7 +35,8 @@ Performance is the same when recording a single window or the monitor, however i
 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`).\
 If you are running another distro then you can run `sudo ./install.sh`, but you need to manually install the dependencies, as described below.\
 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), which is the easiest method
-to install GPU Screen Recorder on non-arch based distros.
+to install GPU Screen Recorder on non-arch based distros.\
+If you install GPU Screen Recorder flatpak, which is the gtk gui version then you can still run GPU Screen Recorder command line by using the flatpak command option, for example `flatpak run --command=gpu-screen-recorder com.dec05eba.gpu_screen_recorder -w screen -f 60 -o video.mp4`. Note that if you want to record your monitor on AMD/Intel then you need to install the flatpak system-wide (like so: `flatpak install flathub --system com.dec05eba.gpu_screen_recorder`).
 
 # Dependencies
 ## AMD

TODO

@@ -65,4 +65,6 @@ Enable opus/flac again. It's broken right now when merging audio inputs. The aud
 Support vp8/vp9/av1. This is especially important on amd which on some distros (such as Manjaro) where hardware accelerated h264/hevc is disabled in the mesa package.
 
 Support screen (all monitors) capture on amd/intel when no combined plane is found.
-Use separate plane (which has offset and pitch) from combined plane instead of the combined plane.
+Use separate plane (which has offset and pitch) from combined plane instead of the combined plane.
+
+Different streaming sites have limits on bitrate, resolution, etc. For twitch, this is a good place to look: https://help.twitch.tv/s/article/broadcasting-guidelines?language=en_US. For youtube, the information is available here: https://support.google.com/youtube/answer/2853702?hl=en#zippy=%2Cvariable-bitrate-with-custom-stream-keys-in-live-control-room%2Ck-p-fps%2Cp-fps (youtube supports variable bitrate).

src/main.cpp

@@ -2032,5 +2032,11 @@ int main(int argc, char **argv) {
     }
 
     free(empty_audio);
+    // We do an _exit here because cuda uses at_exit to do _something_ that causes the program to freeze,
+    // but only on some nvidia driver versions on some gpus (RTX?), and _exit exits the program without calling
+    // the at_exit registered functions.
+    // Cuda (cuvid library in this case) seems to be waiting for a thread that never finishes execution.
+    // Maybe this happens because we dont clean up all ffmpeg resources?
+    // TODO: Investigate this.
     _exit(should_stop_error ? 3 : 0);
 }