ref: 95ed44167259b3d2ccd713a71102c84f20674d21
dir: /minimp3_test.c/
/*#define MINIMP3_ONLY_MP3*/
/*#define MINIMP3_ONLY_SIMD*/
#define MINIMP3_IMPLEMENTATION
#include "minimp3.h"
#include <stdio.h>
#include <math.h>
#include <string.h>
#if defined(_MSC_VER)
#define strcasecmp(str1, str2) _strnicmp(str1, str2, strlen(str2))
#else
#include <strings.h>
#endif
#ifndef MINIMP3_NO_WAV
static char *wav_header(int hz, int ch, int bips, int data_bytes)
{
static char hdr[44] = "RIFFsizeWAVEfmt \x10\0\0\0\1\0ch_hz_abpsbabsdatasize";
unsigned long nAvgBytesPerSec = bips*ch*hz >> 3;
unsigned int nBlockAlign = bips*ch >> 3;
*(int * )(hdr + 0x04) = 44 + data_bytes - 8; /* File size - 8 */
*(short *)(hdr + 0x14) = 1; /* Integer PCM format */
*(short *)(hdr + 0x16) = ch;
*(int * )(hdr + 0x18) = hz;
*(int * )(hdr + 0x1C) = nAvgBytesPerSec;
*(short *)(hdr + 0x20) = nBlockAlign;
*(short *)(hdr + 0x22) = bips;
*(int * )(hdr + 0x28) = data_bytes;
return hdr;
}
#endif
static unsigned char *preload(FILE *file, int *data_size)
{
unsigned char *data;
*data_size = 0;
if (!file)
return 0;
fseek(file, 0, SEEK_END);
*data_size = (int)ftell(file);
fseek(file, 0, SEEK_SET);
data = (unsigned char*)malloc(*data_size);
if (!data)
return 0;
if ((int)fread(data, 1, *data_size, file) != *data_size)
exit(1);
return data;
}
static void decode_file(FILE *file_mp3, FILE *file_ref, FILE *file_out, const int wave_out)
{
static mp3dec_t mp3d;
mp3dec_frame_info_t info = { 0, };
int i, data_bytes, samples, total_samples = 0, maxdiff = 0, mp3_size, ref_size;
double MSE = 0.0, psnr;
unsigned char *buf_mp3 = preload(file_mp3, &mp3_size), *buf_ref = preload(file_ref, &ref_size);
unsigned char *alloc_buf_mp3 = buf_mp3, *alloc_buf_ref = buf_ref;
mp3dec_init(&mp3d);
#ifndef MINIMP3_NO_WAV
if (wave_out && file_out)
fwrite(wav_header(0, 0, 0, 0), 1, 44, file_out);
#endif
do
{
short pcm[MINIMP3_MAX_SAMPLES_PER_FRAME];
samples = mp3dec_decode_frame(&mp3d, buf_mp3, mp3_size, pcm, &info);
if (samples)
{
if (buf_ref && ref_size >= samples*info.channels*2)
{
total_samples += samples*info.channels;
for (i = 0; i < samples*info.channels; i++)
{
int MSEtemp = abs((int)pcm[i] - (int)(((short*)buf_ref)[i]));
if (MSEtemp > maxdiff)
maxdiff = MSEtemp;
MSE += MSEtemp*MSEtemp;
}
buf_ref += samples*info.channels*2;
ref_size -= samples*info.channels*2;
}
if (file_out)
fwrite(pcm, samples, 2*info.channels, file_out);
}
buf_mp3 += info.frame_bytes;
mp3_size -= info.frame_bytes;
} while (info.frame_bytes);
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);
}
#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
if (alloc_buf_mp3)
free(alloc_buf_mp3);
if (alloc_buf_ref)
free(alloc_buf_ref);
fclose(file_mp3);
if (file_ref)
fclose(file_ref);
if (file_out)
fclose(file_out);
}
#ifdef __arm__
int main2(int argc, char *argv[]);
int main2(int argc, char *argv[])
#else
int main(int argc, char *argv[])
#endif
{
char *input_file_name = (argc > 1) ? argv[1] : NULL;
char *ref_file_name = (argc > 2) ? argv[2] : NULL;
char *output_file_name = (argc > 3) ? argv[3] : NULL;
int wave_out = 0;
#ifndef MINIMP3_NO_WAV
if (output_file_name)
{
char *ext = strrchr(output_file_name, '.');
if (ext && !strcasecmp(ext + 1, "wav"))
wave_out = 1;
}
#endif
if (!input_file_name)
{
printf("error: no file names given\n");
return 1;
}
decode_file(fopen(input_file_name, "rb"), fopen(ref_file_name, "rb"), output_file_name ? fopen(output_file_name, "wb") : NULL, wave_out);
return 0;
}
#ifdef __arm__
static const char *g_files[] = {
"vectors/ILL2_center2.bit",
"vectors/ILL2_dual.bit",
"vectors/ILL2_dynx22.bit",
"vectors/ILL2_dynx31.bit",
"vectors/ILL2_dynx32.bit",
"vectors/ILL2_ext_switching.bit",
"vectors/ILL2_layer1.bit",
"vectors/ILL2_layer3.bit",
"vectors/ILL2_mono.bit",
"vectors/ILL2_multilingual.bit",
"vectors/ILL2_overalloc1.bit",
"vectors/ILL2_overalloc2.bit",
"vectors/ILL2_prediction.bit",
"vectors/ILL2_samples.bit",
"vectors/ILL2_scf63.bit",
"vectors/ILL2_tca21.bit",
"vectors/ILL2_tca30.bit",
"vectors/ILL2_tca30_PC.bit",
"vectors/ILL2_tca31_mtx0.bit",
"vectors/ILL2_tca31_mtx2.bit",
"vectors/ILL2_tca31_PC.bit",
"vectors/ILL2_tca32_PC.bit",
"vectors/ILL2_wrongcrc.bit",
"vectors/ILL4_ext_id1.bit",
"vectors/ILL4_sync.bit",
"vectors/ILL4_wrongcrc.bit",
"vectors/ILL4_wrong_length1.bit",
"vectors/ILL4_wrong_length2.bit",
"vectors/l1-fl1.bit",
"vectors/l1-fl2.bit",
"vectors/l1-fl3.bit",
"vectors/l1-fl4.bit",
"vectors/l1-fl5.bit",
"vectors/l1-fl6.bit",
"vectors/l1-fl7.bit",
"vectors/l1-fl8.bit",
"vectors/l2-fl10.bit",
"vectors/l2-fl11.bit",
"vectors/l2-fl12.bit",
"vectors/l2-fl13.bit",
"vectors/l2-fl14.bit",
"vectors/l2-fl15.bit",
"vectors/l2-fl16.bit",
"vectors/l2-nonstandard-fl1_fl2_ff.bit",
"vectors/l2-nonstandard-free_format.bit",
"vectors/l2-nonstandard-test32-size.bit",
"vectors/l2-test32.bit",
"vectors/l3-compl.bit",
"vectors/l3-he_32khz.bit",
"vectors/l3-he_44khz.bit",
"vectors/l3-he_48khz.bit",
"vectors/l3-hecommon.bit",
"vectors/l3-he_free.bit",
"vectors/l3-he_mode.bit",
"vectors/l3-nonstandard-compl-sideinfo-bigvalues.bit",
"vectors/l3-nonstandard-compl-sideinfo-blocktype.bit",
"vectors/l3-nonstandard-compl-sideinfo-size.bit",
"vectors/l3-si.bit",
"vectors/l3-si_block.bit",
"vectors/l3-si_huff.bit",
"vectors/l3-sin1k0db.bit",
"vectors/l3-test45.bit",
"vectors/l3-test46.bit",
"vectors/M2L3_bitrate_16_all.bit",
"vectors/M2L3_bitrate_22_all.bit",
"vectors/M2L3_bitrate_24_all.bit",
"vectors/M2L3_compl24.bit",
"vectors/M2L3_noise.bit"
};
int main()
{
size_t i;
char buf[256];
char *v[3];
v[2] = buf;
for (i = 0; i < sizeof(g_files)/sizeof(g_files[0]); i++)
{
int ret;
const char *file = g_files[i];
size_t len = strlen(file);
strcpy(buf, file);
buf[len - 3] = 'p';
buf[len - 2] = 'c';
buf[len - 1] = 'm';
v[1] = (char*)file;
printf("%s\n", file);
ret = main2(3, v);
if (ret)
return ret;
}
return 0;
}
#endif