- Pause program while the window is not focused?
- Debug markers for sound (delay, avail, pointers, timestamps)
- Input: Cross frame values, half transition count and average.
- Sound: Lagfree playback + recovery after live reload
- Replay: faster LinuxBeginRecordingInput() + memory mapped file. 
- x11: fullscreen
- x11: hide decorations on other DEs.
x Replay: Multiple slots
x Input: Detect new controllers / disconnects.
x Hide cursor
x Replay
x Sound (Play sinewave)
x Hot reload
x Gamepad Input
x Get Refresh rate
x Keyboard Input
x Timing
x File IO
x input: IsConnected bug: if checking on the property the inputs will be played multiple times.
- Load libasound.so at runtime
- statically link alsalib and xlib