Cool_Tools/vgmstream
1
0
Fork 0
mirror of https://github.com/vgmstream/vgmstream.git synced 2024-11-16 19:37:09 +01:00
Code Issues Packages Projects Releases Wiki Activity
d43fd8e0ec
vgmstream/test/test.c

481 lines
15 KiB
C
Raw Blame History

#define POSIXLY_CORRECT
#include <getopt.h>
#include "../src/vgmstream.h"
#include "../src/util.h"
#ifdef WIN32
#include <io.h>
#include <fcntl.h>
#else
#include <unistd.h>
#endif
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
#ifndef VERSION
#include "../version.h"
#endif
#ifndef VERSION
#define VERSION "(unknown version)"
#endif
#define BUFSIZE 0x8000
extern char * optarg;
extern int optind, opterr, optopt;
static void make_wav_header(uint8_t * buf, int32_t sample_count, int32_t sample_rate, int channels);
static void make_smpl_chunk(uint8_t * buf, int32_t loop_start, int32_t loop_end);
void usage(const char * name) {
fprintf(stderr,"vgmstream test decoder " VERSION " " __DATE__ "\n"
"Usage: %s [-o outfile.wav] [-l loop count]\n"
" [-f fade time] [-d fade delay] [-ipcmxeE] infile\n"
"Options:\n"
" -o outfile.wav: name of output .wav file, default is dump.wav\n"
" -l loop count: loop count, default 2.0\n"
" -f fade time: fade time (seconds), default 10.0\n"
" -d fade delay: fade delay (seconds, default 0.0\n"
" -i: ignore looping information and play the whole stream once\n"
" -p: output to stdout (for piping into another program)\n"
" -P: output to stdout even if stdout is a terminal\n"
" -c: loop forever (continuously)\n"
" -m: print metadata only, don't decode\n"
" -x: decode and print adxencd command line to encode as ADX\n"
" -g: decode and print oggenc command line to encode as OGG\n"
" -b: decode and print batch variable commands\n"
" -L: append a smpl chunk and create a looping wav\n"
" -e: force end-to-end looping\n"
" -E: force end-to-end looping even if file has real loop points\n"
" -r outfile2.wav: output a second time after resetting\n"
" -2 N: only output the Nth (first is 0) set of stereo channels\n"
,name);
}
int main(int argc, char ** argv) {
VGMSTREAM * s;
sample * buf = NULL;
int32_t len;
int32_t fade_samples;
int i;
FILE * outfile = NULL;
char * outfilename = NULL;
char * reset_outfilename = NULL;
int opt;
int ignore_loop = 0;
int force_loop = 0;
int really_force_loop = 0;
int play = 0;
int play_wreckless = 0;
int forever = 0;
int metaonly = 0;
int adxencd = 0;
int oggenc = 0;
int lwav = 0;
int batchvar = 0;
int only_stereo = -1;
double loop_count = 2.0;
double fade_seconds = 10.0;
double fade_delay_seconds = 0.0;
int32_t bytecount;
while ((opt = getopt(argc, argv, "o:l:f:d:ipPcmxeLEr:gb2:")) != -1) {
switch (opt) {
case 'o':
outfilename = optarg;
break;
case 'l':
loop_count = atof(optarg);
break;
case 'f':
fade_seconds = atof(optarg);
break;
case 'd':
fade_delay_seconds = atof(optarg);
break;
case 'i':
ignore_loop = 1;
break;
case 'p':
play = 1;
break;
case 'P':
play_wreckless = 1;
play = 1;
break;
case 'c':
forever = 1;
break;
case 'm':
metaonly = 1;
break;
case 'x':
adxencd = 1;
break;
case 'g':
oggenc = 1;
break;
case 'b':
batchvar = 1;
break;
case 'e':
force_loop = 1;
break;
case 'E':
really_force_loop = 1;
break;
case 'L':
lwav = 1;
break;
case 'r':
reset_outfilename = optarg;
break;
case '2':
only_stereo = atoi(optarg);
break;
default:
usage(argv[0]);
return 1;
break;
}
}
if (optind!=argc-1) {
usage(argv[0]);
return 1;
}
if (forever && !play) {
fprintf(stderr,"A file of infinite size? Not likely.\n");
return 1;
}
if (play && (!play_wreckless &&isatty(STDOUT_FILENO))) {
fprintf(stderr,"Are you sure you want to output wave data to the terminal?\nIf so use -P instead of -p.\n");
return 1;
}
#ifdef WIN32
/* make stdout output work with windows */
if (play) {
_setmode(fileno(stdout),_O_BINARY);
}
#endif
if (ignore_loop && force_loop) {
fprintf(stderr,"-e and -i are incompatible\n");
return 1;
}
if (ignore_loop && really_force_loop) {
fprintf(stderr,"-E and -i are incompatible\n");
return 1;
}
if (force_loop && really_force_loop) {
fprintf(stderr,"-E and -e are somewhat redundant, are you confused?\n");
return 1;
}
s = init_vgmstream(argv[optind]);
if (!s) {
fprintf(stderr,"failed opening %s\n",argv[optind]);
return 1;
}
/* force only if there aren't already loop points */
if (force_loop && !s->loop_flag) {
/* this requires a bit more messing with the VGMSTREAM than I'm
* comfortable with... */
s->loop_flag=1;
s->loop_start_sample=0;
s->loop_end_sample=s->num_samples;
s->loop_ch=calloc(s->channels,sizeof(VGMSTREAMCHANNEL));
}
/* force even if there are loop points */
if (really_force_loop) {
if (!s->loop_flag) s->loop_ch=calloc(s->channels,sizeof(VGMSTREAMCHANNEL));
s->loop_flag=1;
s->loop_start_sample=0;
s->loop_end_sample=s->num_samples;
}
if (ignore_loop) s->loop_flag=0;
if (play) {
if (outfilename) {
fprintf(stderr,"either -p or -o, make up your mind\n");
return 1;
}
outfile = stdout;
} else if (!metaonly) {
if (!outfilename) outfilename = "dump.wav";
outfile = fopen(outfilename,"wb");
if (!outfile) {
fprintf(stderr,"failed to open %s for output\n",outfilename);
return 1;
}
}
if (forever && !s->loop_flag) {
fprintf(stderr,"I could play a nonlooped track forever, but it wouldn't end well.");
return 1;
}
if (!play) {
if (adxencd) {
printf("adxencd");
if (!metaonly) printf(" \"%s\"",outfilename);
if (s->loop_flag) printf(" -lps%d -lpe%d",s->loop_start_sample,s->loop_end_sample);
printf("\n");
} else if (oggenc) {
printf("oggenc");
if (!metaonly) printf(" \"%s\"",outfilename);
if (s->loop_flag) printf(" -c LOOPSTART=%d -c LOOPLENGTH=%d",s->loop_start_sample,
s->loop_end_sample-s->loop_start_sample);
printf("\n");
} else if (batchvar) {
if (!metaonly) printf("set fname=\"%s\"\n",outfilename);
printf("set tsamp=%d\nset chan=%d\n", s->num_samples, s->channels);
if (s->loop_flag) printf("set lstart=%d\nset lend=%d\nset loop=1\n", s->loop_start_sample, s->loop_end_sample);
else printf("set loop=0\n");
}
else if (metaonly) printf("metadata for %s\n",argv[optind]);
else printf("decoding %s\n",argv[optind]);
}
if (!play && !adxencd && !oggenc && !batchvar) {
char description[1024];
description[0]='\0';
describe_vgmstream(s,description,1024);
printf("%s\n",description);
}
if (metaonly) {
close_vgmstream(s);
return 0;
}
buf = malloc(BUFSIZE*sizeof(sample)*s->channels);
len = get_vgmstream_play_samples(loop_count,fade_seconds,fade_delay_seconds,s);
if (!play && !adxencd && !oggenc && !batchvar) printf("samples to play: %d (%.4lf seconds)\n",len,(double)len/s->sample_rate);
fade_samples = fade_seconds * s->sample_rate;
/* slap on a .wav header */
if (only_stereo != -1) {
make_wav_header((uint8_t*)buf, len, s->sample_rate, 2);
} else {
make_wav_header((uint8_t*)buf, len, s->sample_rate, s->channels);
}
if (lwav && s->loop_flag) { // Adding space for smpl chunk at end
bytecount = get_32bitLE((uint8_t*)buf + 4);
put_32bitLE((uint8_t*)buf + 4, bytecount + 0x44);
}
fwrite(buf,1,0x2c,outfile);
/* decode forever */
while (forever) {
render_vgmstream(buf,BUFSIZE,s);
swap_samples_le(buf,s->channels*BUFSIZE);
if (only_stereo != -1) {
int j;
for (j=0;j<BUFSIZE;j++) {
fwrite(buf+j*s->channels+(only_stereo*2),sizeof(sample),2,outfile);
}
} else {
fwrite(buf,sizeof(sample)*s->channels,BUFSIZE,outfile);
}
}
/* decode */
for (i=0;i<len;i+=BUFSIZE) {
int toget=BUFSIZE;
if (i+BUFSIZE>len) toget=len-i;
render_vgmstream(buf,toget,s);
if (s->loop_flag && fade_samples > 0) {
int samples_into_fade = i - (len - fade_samples);
if (samples_into_fade + toget > 0) {
int j,k;
for (j=0;j<toget;j++,samples_into_fade++) {
if (samples_into_fade > 0) {
double fadedness = (double)(fade_samples-samples_into_fade)/fade_samples;
for (k=0;k<s->channels;k++) {
buf[j*s->channels+k] = buf[j*s->channels+k]*fadedness;
}
}
}
}
}
swap_samples_le(buf,s->channels*toget);
if (only_stereo != -1) {
int j;
for (j=0;j<toget;j++) {
fwrite(buf+j*s->channels+(only_stereo*2),sizeof(sample),2,outfile);
}
} else {
fwrite(buf,sizeof(sample)*s->channels,toget,outfile);
}
}
if (lwav && s->loop_flag) { // Writing smpl chuck
make_smpl_chunk((uint8_t*)buf, s->loop_start_sample, s->loop_end_sample);
fwrite(buf,1,0x44,outfile);
}
fclose(outfile); outfile = NULL;
#ifdef PROFILE_STREAMFILE
{
int i,j;
size_t total_bytes_read = 0;
for (i=0;i<s->channels;i++) {
size_t bytes_read = get_streamfile_bytes_read(s->ch[i].streamfile);
size_t file_size = get_streamfile_size(s->ch[i].streamfile);
int error_count = get_streamfile_error_count(s->ch[i].streamfile);
int already_reported = 0;
/* see if we've reported this STREAMFILE already */
for (j=i-1;!already_reported && j>=0;j--) {
if (s->ch[j].streamfile == s->ch[i].streamfile) {
already_reported=1;
}
}
if (already_reported) continue;
total_bytes_read += bytes_read;
fprintf(stderr,"ch%d: %lf%% (%d bytes read, file is %d bytes) %d errors\n",i,
bytes_read*100.0/file_size,bytes_read,file_size,error_count);
}
fprintf(stderr,"total bytes read: %d\n",total_bytes_read);
}
#endif
if (reset_outfilename) {
outfile = fopen(reset_outfilename,"wb");
if (!outfile) {
fprintf(stderr,"failed to open %s for output\n",reset_outfilename);
return 1;
}
/* slap on a .wav header */
make_wav_header((uint8_t*)buf, len, s->sample_rate, s->channels);
fwrite(buf,1,0x2c,outfile);
reset_vgmstream(s);
/* these manipulations are undone by reset */
/* force only if there aren't already loop points */
if (force_loop && !s->loop_flag) {
/* this requires a bit more messing with the VGMSTREAM than I'm
* comfortable with... */
s->loop_flag=1;
s->loop_start_sample=0;
s->loop_end_sample=s->num_samples;
s->loop_ch=calloc(s->channels,sizeof(VGMSTREAMCHANNEL));
}
/* force even if there are loop points */
if (really_force_loop) {
if (!s->loop_flag) s->loop_ch=calloc(s->channels,sizeof(VGMSTREAMCHANNEL));
s->loop_flag=1;
s->loop_start_sample=0;
s->loop_end_sample=s->num_samples;
}
if (ignore_loop) s->loop_flag=0;
/* decode */
for (i=0;i<len;i+=BUFSIZE) {
int toget=BUFSIZE;
if (i+BUFSIZE>len) toget=len-i;
render_vgmstream(buf,toget,s);
if (s->loop_flag && fade_samples > 0) {
int samples_into_fade = i - (len - fade_samples);
if (samples_into_fade + toget > 0) {
int j,k;
for (j=0;j<toget;j++,samples_into_fade++) {
if (samples_into_fade > 0) {
double fadedness = (double)(fade_samples-samples_into_fade)/fade_samples;
for (k=0;k<s->channels;k++) {
buf[j*s->channels+k] = buf[j*s->channels+k]*fadedness;
}
}
}
}
}
/* do proper little endian samples */
swap_samples_le(buf,s->channels*toget);
if (only_stereo != -1) {
int j;
for (j=0;j<toget;j++) {
fwrite(buf+j*s->channels+(only_stereo*2),sizeof(sample),2,outfile);
}
} else {
fwrite(buf,sizeof(sample)*s->channels,toget,outfile);
}
}
fclose(outfile); outfile = NULL;
}
close_vgmstream(s);
free(buf);
return 0;
}
/**
* make a header for PCM .wav
* buffer must be 0x2c bytes
*/
static void make_wav_header(uint8_t * buf, int32_t sample_count, int32_t sample_rate, int channels) {
size_t bytecount;
bytecount = sample_count*channels*sizeof(sample);
memcpy(buf+0, "RIFF", 4); /* RIFF header */
put_32bitLE(buf+4, (int32_t)(bytecount+0x2c-8)); /* size of RIFF */
memcpy(buf+8, "WAVE", 4); /* WAVE header */
memcpy(buf+0xc, "fmt ", 4); /* WAVE fmt chunk */
put_32bitLE(buf+0x10, 0x10); /* size of WAVE fmt chunk */
put_16bitLE(buf+0x14, 1); /* compression code 1=PCM */
put_16bitLE(buf+0x16, channels); /* channel count */
put_32bitLE(buf+0x18, sample_rate); /* sample rate */
put_32bitLE(buf+0x1c, sample_rate*channels*sizeof(sample)); /* bytes per second */
put_16bitLE(buf+0x20, (int16_t)(channels*sizeof(sample))); /* block align */
put_16bitLE(buf+0x22, sizeof(sample)*8); /* significant bits per sample */
/* PCM has no extra format bytes, so we don't even need to specify a count */
memcpy(buf+0x24, "data", 4); /* WAVE data chunk */
put_32bitLE(buf+0x28, (int32_t)bytecount); /* size of WAVE data chunk */
}
static void make_smpl_chunk(uint8_t * buf, int32_t loop_start, int32_t loop_end) {
int i;
memcpy(buf+0, "smpl", 4);/* header */
put_32bitLE(buf+4, 0x3c);/* size */
for (i = 0; i < 7; i++)
put_32bitLE(buf+8 + i * 4, 0);
put_32bitLE(buf+36, 1);
for (i = 0; i < 3; i++)
put_32bitLE(buf+40 + i * 4, 0);
put_32bitLE(buf+52, loop_start);
put_32bitLE(buf+56, loop_end);
put_32bitLE(buf+60, 0);
put_32bitLE(buf+64, 0);
}
Reference in New Issue View Git Blame Copy Permalink