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vgmstream/cli/vgmstream_cli.c
bnnm 92a6d57227 Fix typos and doc stuff
2018-08-24 19:37:31 +02:00

532 lines
17 KiB
C
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#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 size_t make_wav_header(uint8_t * buf, size_t buf_size, int32_t sample_count, int32_t sample_rate, int channels, int smpl_chunk, int32_t loop_start, int32_t loop_end);
static void usage(const char * name) {
fprintf(stderr,"vgmstream CLI decoder " VERSION " " __DATE__ "\n"
"Usage: %s [-o outfile.wav] [options] infile\n"
"Options:\n"
" -o outfile.wav: name of output .wav file, default is infile.wav\n"
" -l loop count: loop count, default 2.0\n"
" -f fade time: fade time (seconds) after N loops, 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"
" -F: don't fade after N loops and play the rest of the stream\n"
" -s N: select subsong N, if the format supports multiple subsongs\n"
,name);
}
int main(int argc, char ** argv) {
VGMSTREAM * vgmstream = NULL;
FILE * outfile = NULL;
sample * buf = NULL;
int32_t len_samples;
int32_t fade_samples;
int i,j,k;
int opt;
/* config */
char * infilename = NULL;
char * outfilename = NULL;
char * outfilename_reset = NULL;
char outfilename_internal[PATH_LIMIT];
int ignore_loop = 0;
int force_loop = 0;
int really_force_loop = 0;
int play_sdtout = 0;
int play_wreckless = 0;
int play_forever = 0;
int print_metaonly = 0;
int print_adxencd = 0;
int print_oggenc = 0;
int print_batchvar = 0;
int write_lwav = 0, write_lwav_loop_start = 0, write_lwav_loop_end = 0;
int only_stereo = -1;
int stream_index = 0;
double loop_count = 2.0;
double fade_seconds = 10.0;
double fade_delay_seconds = 0.0;
int ignore_fade = 0;
while ((opt = getopt(argc, argv, "o:l:f:d:ipPcmxeLEFr:gb2:s:")) != -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_sdtout = 1;
break;
case 'P':
play_wreckless = 1;
play_sdtout = 1;
break;
case 'c':
play_forever = 1;
break;
case 'm':
print_metaonly = 1;
break;
case 'x':
print_adxencd = 1;
break;
case 'g':
print_oggenc = 1;
break;
case 'b':
print_batchvar = 1;
break;
case 'e':
force_loop = 1;
break;
case 'E':
really_force_loop = 1;
break;
case 'L':
write_lwav = 1;
break;
case 'r':
outfilename_reset = optarg;
break;
case '2':
only_stereo = atoi(optarg);
break;
case 'F':
ignore_fade = 1;
break;
case 's':
stream_index = atoi(optarg);
break;
default:
usage(argv[0]);
return EXIT_FAILURE;
break;
}
}
if (optind!=argc-1) {
usage(argv[0]);
return EXIT_FAILURE;
}
infilename = argv[optind];
#ifdef WIN32
/* make stdout output work with windows */
if (play_sdtout) {
_setmode(fileno(stdout),_O_BINARY);
}
#endif
if (play_forever && !play_sdtout) {
fprintf(stderr,"A file of infinite size? Not likely.\n");
return EXIT_FAILURE;
}
if (play_sdtout && (!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 EXIT_FAILURE;
}
if (ignore_loop && force_loop) {
fprintf(stderr,"-e and -i are incompatible\n");
return EXIT_FAILURE;
}
if (ignore_loop && really_force_loop) {
fprintf(stderr,"-E and -i are incompatible\n");
return EXIT_FAILURE;
}
if (force_loop && really_force_loop) {
fprintf(stderr,"-E and -e are incompatible\n");
return EXIT_FAILURE;
}
/* manually init streamfile to pass the stream index */
{
//s = init_vgmstream(infilename);
STREAMFILE *streamFile = open_stdio_streamfile(infilename);
if (!streamFile) {
fprintf(stderr,"file %s not found\n",infilename);
return EXIT_FAILURE;
}
streamFile->stream_index = stream_index;
vgmstream = init_vgmstream_from_STREAMFILE(streamFile);
close_streamfile(streamFile);
if (!vgmstream) {
fprintf(stderr,"failed opening %s\n",infilename);
return EXIT_FAILURE;
}
}
if (force_loop && !vgmstream->loop_flag) {
vgmstream_force_loop(vgmstream, 1, 0,vgmstream->num_samples);
}
if (really_force_loop) {
vgmstream_force_loop(vgmstream, 1, 0,vgmstream->num_samples);
}
if (ignore_loop) {
vgmstream_force_loop(vgmstream, 0, 0,0);
}
if (write_lwav) {
write_lwav_loop_start = vgmstream->loop_start_sample;
write_lwav_loop_end = vgmstream->loop_end_sample;
vgmstream_force_loop(vgmstream, 0, 0,0);
}
if (play_sdtout) {
if (outfilename) {
fprintf(stderr,"either -p or -o, make up your mind\n");
return EXIT_FAILURE;
}
outfile = stdout;
}
else if (!print_metaonly) {
if (!outfilename) {
strcpy(outfilename_internal, infilename);
strcat(outfilename_internal, ".wav");
outfilename = outfilename_internal;
}
outfile = fopen(outfilename,"wb");
if (!outfile) {
fprintf(stderr,"failed to open %s for output\n",outfilename);
return EXIT_FAILURE;
}
}
if (play_forever && !vgmstream->loop_flag) {
fprintf(stderr,"I could play a nonlooped track forever, but it wouldn't end well.");
return EXIT_FAILURE;
}
if (!play_sdtout) {
if (print_adxencd) {
printf("adxencd");
if (!print_metaonly)
printf(" \"%s\"",outfilename);
if (vgmstream->loop_flag)
printf(" -lps%d -lpe%d",vgmstream->loop_start_sample,vgmstream->loop_end_sample);
printf("\n");
}
else if (print_oggenc) {
printf("oggenc");
if (!print_metaonly)
printf(" \"%s\"",outfilename);
if (vgmstream->loop_flag)
printf(" -c LOOPSTART=%d -c LOOPLENGTH=%d",vgmstream->loop_start_sample, vgmstream->loop_end_sample-vgmstream->loop_start_sample);
printf("\n");
}
else if (print_batchvar) {
if (!print_metaonly)
printf("set fname=\"%s\"\n",outfilename);
printf("set tsamp=%d\nset chan=%d\n", vgmstream->num_samples, vgmstream->channels);
if (vgmstream->loop_flag)
printf("set lstart=%d\nset lend=%d\nset loop=1\n", vgmstream->loop_start_sample, vgmstream->loop_end_sample);
else
printf("set loop=0\n");
}
else if (print_metaonly) {
printf("metadata for %s\n",infilename);
}
else {
printf("decoding %s\n",infilename);
}
}
if (!play_sdtout && !print_adxencd && !print_oggenc && !print_batchvar) {
char description[1024];
description[0]='\0';
describe_vgmstream(vgmstream,description,1024);
printf("%s\n",description);
}
if (print_metaonly) {
close_vgmstream(vgmstream);
return EXIT_SUCCESS;
}
buf = malloc(BUFSIZE*sizeof(sample)*vgmstream->channels);
if (!buf) {
fprintf(stderr,"failed allocating output buffer\n");
close_vgmstream(vgmstream);
return EXIT_FAILURE;
}
/* signal ignore fade for get_vgmstream_play_samples */
if (loop_count > 0 && ignore_fade) {
fade_seconds = -1.0;
}
len_samples = get_vgmstream_play_samples(loop_count,fade_seconds,fade_delay_seconds,vgmstream);
if (!play_sdtout && !print_adxencd && !print_oggenc && !print_batchvar) {
printf("samples to play: %d (%.4lf seconds)\n", len_samples, (double)len_samples / vgmstream->sample_rate);
}
fade_samples = (int32_t)(fade_seconds * vgmstream->sample_rate);
if (loop_count > 0 && ignore_fade) {
vgmstream->loop_target = (int)loop_count;
}
/* slap on a .wav header */
{
uint8_t wav_buf[0x100];
int channels = (only_stereo != -1) ? 2 : vgmstream->channels;
size_t bytes_done;
bytes_done = make_wav_header(wav_buf,0x100,
len_samples, vgmstream->sample_rate, channels,
write_lwav, write_lwav_loop_start, write_lwav_loop_end);
fwrite(wav_buf,sizeof(uint8_t),bytes_done,outfile);
}
/* decode forever */
while (play_forever) {
render_vgmstream(buf,BUFSIZE,vgmstream);
swap_samples_le(buf,vgmstream->channels*BUFSIZE);
/* do proper little endian samples */
if (only_stereo != -1) {
for (j = 0; j < BUFSIZE; j++) {
fwrite(buf+j*vgmstream->channels+(only_stereo*2),sizeof(sample),2,outfile);
}
} else {
fwrite(buf,sizeof(sample)*vgmstream->channels,BUFSIZE,outfile);
}
}
/* decode */
for (i = 0; i < len_samples; i += BUFSIZE) {
int toget = BUFSIZE;
if (i + BUFSIZE > len_samples)
toget = len_samples-i;
render_vgmstream(buf,toget,vgmstream);
if (vgmstream->loop_flag && fade_samples > 0) {
int samples_into_fade = i - (len_samples - fade_samples);
if (samples_into_fade + toget > 0) {
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 < vgmstream->channels; k++) {
buf[j*vgmstream->channels+k] = (sample)buf[j*vgmstream->channels+k]*fadedness;
}
}
}
}
}
/* do proper little endian samples */
swap_samples_le(buf,vgmstream->channels*toget);
if (only_stereo != -1) {
for (j = 0; j < toget; j++) {
fwrite(buf+j*vgmstream->channels+(only_stereo*2),sizeof(sample),2,outfile);
}
} else {
fwrite(buf,sizeof(sample)*vgmstream->channels,toget,outfile);
}
}
fclose(outfile);
outfile = NULL;
if (outfilename_reset) {
outfile = fopen(outfilename_reset,"wb");
if (!outfile) {
fprintf(stderr,"failed to open %s for output\n",outfilename_reset);
return EXIT_FAILURE;
}
reset_vgmstream(vgmstream);
/* these manipulations are undone by reset */
if (force_loop && !vgmstream->loop_flag) {
vgmstream_force_loop(vgmstream, 1, 0,vgmstream->num_samples);
}
if (really_force_loop) {
vgmstream_force_loop(vgmstream, 1, 0,vgmstream->num_samples);
}
if (ignore_loop) {
vgmstream_force_loop(vgmstream, 0, 0,0);
}
if (write_lwav) {
write_lwav_loop_start = vgmstream->loop_start_sample;
write_lwav_loop_end = vgmstream->loop_end_sample;
vgmstream_force_loop(vgmstream, 0, 0,0);
}
/* slap on a .wav header */
{
uint8_t wav_buf[0x100];
int channels = (only_stereo != -1) ? 2 : vgmstream->channels;
size_t bytes_done;
bytes_done = make_wav_header(wav_buf,0x100,
len_samples, vgmstream->sample_rate, channels,
write_lwav, write_lwav_loop_start, write_lwav_loop_end);
fwrite(wav_buf,sizeof(uint8_t),bytes_done,outfile);
}
/* decode */
for (i = 0; i < len_samples; i += BUFSIZE) {
int toget=BUFSIZE;
if (i + BUFSIZE > len_samples)
toget = len_samples-i;
render_vgmstream(buf,toget,vgmstream);
if (vgmstream->loop_flag && fade_samples > 0) {
int samples_into_fade = i - (len_samples - fade_samples);
if (samples_into_fade + toget > 0) {
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 < vgmstream->channels; k++) {
buf[j*vgmstream->channels+k] = (sample)buf[j*vgmstream->channels+k]*fadedness;
}
}
}
}
}
/* do proper little endian samples */
swap_samples_le(buf,vgmstream->channels*toget);
if (only_stereo != -1) {
for (j = 0; j < toget; j++) {
fwrite(buf+j*vgmstream->channels+(only_stereo*2),sizeof(sample),2,outfile);
}
} else {
fwrite(buf,sizeof(sample)*vgmstream->channels,toget,outfile);
}
}
fclose(outfile);
outfile = NULL;
}
close_vgmstream(vgmstream);
free(buf);
return EXIT_SUCCESS;
}
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);
}
/* make a RIFF header for .wav */
static size_t make_wav_header(uint8_t * buf, size_t buf_size, int32_t sample_count, int32_t sample_rate, int channels, int smpl_chunk, int32_t loop_start, int32_t loop_end) {
size_t data_size, header_size;
data_size = sample_count*channels*sizeof(sample);
header_size = 0x2c;
if (smpl_chunk && loop_end)
header_size += 0x3c+ 0x08;
if (header_size > buf_size)
goto fail;
memcpy(buf+0x00, "RIFF", 4); /* RIFF header */
put_32bitLE(buf+4, (int32_t)(header_size - 0x08 + data_size)); /* size of RIFF */
memcpy(buf+0x08, "WAVE", 4); /* WAVE header */
memcpy(buf+0x0c, "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 */
if (smpl_chunk && loop_end) {
make_smpl_chunk(buf+0x24, loop_start, loop_end);
memcpy(buf+0x24+0x3c+0x08, "data", 0x04); /* WAVE data chunk */
put_32bitLE(buf+0x28+0x3c+0x08, (int32_t)data_size); /* size of WAVE data chunk */
}
else {
memcpy(buf+0x24, "data", 0x04); /* WAVE data chunk */
put_32bitLE(buf+0x28, (int32_t)data_size); /* size of WAVE data chunk */
}
return header_size;
fail:
return 0;
}
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