static char premix_left_buffer[SND_BLOCKSIZE];
static char premix_right_buffer[SND_BLOCKSIZE];
static int premix_last_buffer[SND_BLOCKSIZE];
static char premix_left_buffer[SND_BLOCKSIZE];
static char premix_right_buffer[SND_BLOCKSIZE];
static int premix_last_buffer[SND_BLOCKSIZE];