public static extern int Mix_VolumeChunk( ref Mix_Chunk chunk, int volume );
public static extern int Mix_PlayChannelTimed( int channel, ref Mix_Chunk chunk, int loops, int ticks );
public static extern void Mix_FreeChunk(ref Mix_Chunk chunk);
public static int Mix_PlayChannel( int channel, ref Mix_Chunk chunk, int loops ) { return Mix_PlayChannelTimed(channel, ref chunk, loops, -1); }
public static int Mix_FadeInChannel( int channel, ref Mix_Chunk chunk, int loops, int ms ) { return Mix_FadeInChannelTimed(channel, ref chunk, loops, ms, -1); }