#define AL_FORMAT_ANY            0
#define AL_FORMAT_ARGB_8888      1
#define AL_FORMAT_RGBA_8888      2
#define AL_FORMAT_ARGB_4444      3
#define AL_FORMAT_RGB_888        4
#define AL_FORMAT_RGB_565        5
#define AL_FORMAT_RGB_555        6
#define AL_FORMAT_PALETTE_8      7
#define AL_FORMAT_RGBA_1555      8
#define AL_FORMAT_ARGB_5551      9