u16 EMUFILE::read16le()
{
u16 ret;
read16le(&ret);
return ret;
}
uint16_t read16(bool be,void *p)
{
return (be)?(read16be(p)):(read16le(p));
}
size_t EMUFILE::read16le(s16* Bufo) { return read16le((u16*)Bufo); }
static void decode_file(const char *input_file_name, const unsigned char *buf_ref, int ref_size, FILE *file_out, const int wave_out)
{
mp3dec_t mp3d;
int i, data_bytes, total_samples = 0, maxdiff = 0;
double MSE = 0.0, psnr;
mp3dec_file_info_t info;
#ifdef MP4_MODE
frames_iterate_data d = { &mp3d, &info, 0 };
mp3dec_init(&mp3d);
memset(&info, 0, sizeof(info));
if (mp3dec_iterate(input_file_name, frames_iterate_cb, &d))
#else
if (mp3dec_load(&mp3d, input_file_name, &info, 0, 0))
#endif
{
printf("error: file not found or read error");
exit(1);
}
#ifdef MINIMP3_FLOAT_OUTPUT
int16_t *buffer = malloc(info.samples*sizeof(int16_t));
mp3dec_f32_to_s16(info.buffer, buffer, info.samples);
free(info.buffer);
#else
int16_t *buffer = info.buffer;
#endif
#ifndef MINIMP3_NO_WAV
if (wave_out && file_out)
fwrite(wav_header(0, 0, 0, 0), 1, 44, file_out);
#endif
if (info.samples)
{
total_samples += info.samples;
if (buf_ref)
{
int max_samples = MINIMP3_MIN((size_t)ref_size/2, info.samples);
for (i = 0; i < max_samples; i++)
{
int MSEtemp = abs((int)buffer[i] - (int)(int16_t)read16le(&buf_ref[i*sizeof(int16_t)]));
if (MSEtemp > maxdiff)
maxdiff = MSEtemp;
MSE += (float)MSEtemp*(float)MSEtemp;
}
}
if (file_out)
fwrite(buffer, info.samples, sizeof(int16_t), file_out);
free(buffer);
}
#ifndef LIBFUZZER
MSE /= total_samples ? total_samples : 1;
if (0 == MSE)
psnr = 99.0;
else
psnr = 10.0*log10(((double)0x7fff*0x7fff)/MSE);
printf("rate=%d samples=%d max_diff=%d PSNR=%f\n", info.hz, total_samples, maxdiff, psnr);
if (psnr < 96)
{
printf("PSNR compliance failed\n");
exit(1);
}
#endif
#ifndef MINIMP3_NO_WAV
if (wave_out && file_out)
{
data_bytes = ftell(file_out) - 44;
rewind(file_out);
fwrite(wav_header(info.hz, info.channels, 16, data_bytes), 1, 44, file_out);
}
#endif
#ifdef MP4_MODE
if (!total_samples)
{
printf("error: mp4 test should decode some samples\n");
exit(1);
}
#endif
}
