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Applies to : Raspberry Pi 2 and SDL2
OS : Raspbian Jessie

Problems encountered:
- the sound of your SDL2 game is lagging by half a second over HDMI audio
- the sound in your headset (with a jack) is crackling when plugged into the RPI

Possible cause: your SDL application uses Pulseaudio

Workarounds:
- Compile SDL without pulseaudio support (and ship it with your game):
./configure --disable-esd --enable-alsa --disable-pulseaudio --disable-video-mir --disable-video-wayland --disable-video-x11 --disable-video-opengl

- Open audio mixer at 48Khz (matching hardware decoder)
Mix_OpenAudio(48000, MIX_DEFAULT_FORMAT, 2, 4096)