int i, stereo, n, file_byte, samples;
int i, stereo, samples, req_size, act_samples, v;
static void do_compute_data_wav(int32 count){    int i, stereo, n, file_byte, samples;    stereo = !(play_mode->encoding & PE_MONO);    samples = (stereo ? (count * 2) : count );    n = samples*4; /* in bytes */    file_byte = samples*2; /*regard as 16bit*/    memset(buffer_pointer, 0, n);    tf_read(wav_buffer, 1, file_byte, current_file_info->pcm_tf);    for( i=0; i<samples; i++ ){    	buffer_pointer[i] = (LE_SHORT(wav_buffer[i])) << 16;    	buffer_pointer[i] /=4; /*level down*/    }    current_sample += count;}