unsigned int channels; /* audio channels : 1(mono)/2(stereo)... */
unsigned char mute; /* audio muted : 0(false)/1(true) */
unsigned char is_playing; /* audio is playing: 0(false)/1(true) */
unsigned int channels; /* audio channels : 1(mono)/2(stereo)... */
unsigned char mute; /* audio muted : 0(false)/1(true) */
unsigned char is_playing; /* audio is playing: 0(false)/1(true) */