mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-11-15 02:57:38 +01:00
742 lines
23 KiB
C
742 lines
23 KiB
C
#define POSIXLY_CORRECT
|
|
#include <getopt.h>
|
|
#include "../src/vgmstream.h"
|
|
#include "../src/plugins.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
|
|
|
|
/* low values are ok as there is very little performance difference, but higher
|
|
* may improve write I/O in some systems as this*channels doubles as output buffer */
|
|
#define SAMPLE_BUFFER_SIZE 32768
|
|
|
|
/* getopt globals (the horror...) */
|
|
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, int is_full) {
|
|
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 infile.wav\n"
|
|
" -l loop count: loop count, default 2.0\n"
|
|
" -f fade time: fade time in seconds after N loops, default 10.0\n"
|
|
" -d fade delay: fade delay in seconds, default 0.0\n"
|
|
" -F: don't fade after N loops and play the rest of the stream\n"
|
|
" -i: ignore looping information and play the whole stream once\n"
|
|
" -e: force end-to-end looping\n"
|
|
" -E: force end-to-end looping even if file has real loop points\n"
|
|
" -s N: select subsong N, if the format supports multiple subsongs\n"
|
|
" -m: print metadata only, don't decode\n"
|
|
" -L: append a smpl chunk and create a looping wav\n"
|
|
" -2 N: only output the Nth (first is 0) set of stereo channels\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) to stdout\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"
|
|
" -h: print extra commands\n"
|
|
, name);
|
|
if (is_full) {
|
|
fprintf(stderr,
|
|
" -r: output a second file after resetting (for reset testing)\n"
|
|
" -k N: seeks to N samples before decoding (for seek testing)\n"
|
|
" -t file: print tags found in file (for tag testing)\n"
|
|
" -O: decode but don't write to file (for performance testing)\n"
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
typedef struct {
|
|
char * infilename;
|
|
char * outfilename;
|
|
char * tag_filename;
|
|
int decode_only;
|
|
int ignore_loop;
|
|
int force_loop;
|
|
int really_force_loop;
|
|
int play_sdtout;
|
|
int play_wreckless;
|
|
int play_forever;
|
|
int print_metaonly;
|
|
int print_adxencd;
|
|
int print_oggenc;
|
|
int print_batchvar;
|
|
int test_reset;
|
|
int write_lwav;
|
|
int only_stereo;
|
|
int stream_index;
|
|
double loop_count;
|
|
double fade_time;
|
|
double fade_delay;
|
|
int ignore_fade;
|
|
int seek_samples;
|
|
|
|
/* not quite config but eh */
|
|
int lwav_loop_start;
|
|
int lwav_loop_end;
|
|
} cli_config;
|
|
|
|
|
|
static int parse_config(cli_config *cfg, int argc, char ** argv) {
|
|
int opt;
|
|
|
|
/* non-zero defaults */
|
|
cfg->only_stereo = -1;
|
|
cfg->loop_count = 2.0;
|
|
cfg->fade_time = 10.0;
|
|
|
|
/* don't let getopt print errors to stdout automatically */
|
|
opterr = 0;
|
|
|
|
/* read config */
|
|
while ((opt = getopt(argc, argv, "o:l:f:d:ipPcmxeLEFrgb2:s:t:k:hO")) != -1) {
|
|
switch (opt) {
|
|
case 'o':
|
|
cfg->outfilename = optarg;
|
|
break;
|
|
case 'l':
|
|
cfg->loop_count = atof(optarg);
|
|
break;
|
|
case 'f':
|
|
cfg->fade_time = atof(optarg);
|
|
break;
|
|
case 'd':
|
|
cfg->fade_delay = atof(optarg);
|
|
break;
|
|
case 'i':
|
|
cfg->ignore_loop = 1;
|
|
break;
|
|
case 'p':
|
|
cfg->play_sdtout = 1;
|
|
break;
|
|
case 'P':
|
|
cfg->play_wreckless = 1;
|
|
cfg->play_sdtout = 1;
|
|
break;
|
|
case 'c':
|
|
cfg->play_forever = 1;
|
|
break;
|
|
case 'm':
|
|
cfg->print_metaonly = 1;
|
|
break;
|
|
case 'x':
|
|
cfg->print_adxencd = 1;
|
|
break;
|
|
case 'g':
|
|
cfg->print_oggenc = 1;
|
|
break;
|
|
case 'b':
|
|
cfg->print_batchvar = 1;
|
|
break;
|
|
case 'e':
|
|
cfg->force_loop = 1;
|
|
break;
|
|
case 'E':
|
|
cfg->really_force_loop = 1;
|
|
break;
|
|
case 'L':
|
|
cfg->write_lwav = 1;
|
|
break;
|
|
case 'r':
|
|
cfg->test_reset = 1;
|
|
break;
|
|
case '2':
|
|
cfg->only_stereo = atoi(optarg);
|
|
break;
|
|
case 'F':
|
|
cfg->ignore_fade = 1;
|
|
break;
|
|
case 's':
|
|
cfg->stream_index = atoi(optarg);
|
|
break;
|
|
case 't':
|
|
cfg->tag_filename= optarg;
|
|
break;
|
|
case 'k':
|
|
cfg->seek_samples = atoi(optarg);
|
|
break;
|
|
case 'O':
|
|
cfg->decode_only = 1;
|
|
break;
|
|
case 'h':
|
|
usage(argv[0], 1);
|
|
goto fail;
|
|
case '?':
|
|
fprintf(stderr, "Unknown option -%c found\n", optopt);
|
|
goto fail;
|
|
default:
|
|
usage(argv[0], 0);
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
/* filename goes last */
|
|
if (optind != argc - 1) {
|
|
usage(argv[0], 0);
|
|
goto fail;
|
|
}
|
|
cfg->infilename = argv[optind];
|
|
|
|
|
|
return 1;
|
|
fail:
|
|
return 0;
|
|
}
|
|
|
|
static int validate_config(cli_config *cfg) {
|
|
if (cfg->play_sdtout && (!cfg->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");
|
|
goto fail;
|
|
}
|
|
if (cfg->play_forever && !cfg->play_sdtout) {
|
|
fprintf(stderr,"-c must use -p or -P\n");
|
|
goto fail;
|
|
}
|
|
if (cfg->ignore_loop && cfg->force_loop) {
|
|
fprintf(stderr,"-e and -i are incompatible\n");
|
|
goto fail;
|
|
}
|
|
if (cfg->ignore_loop && cfg->really_force_loop) {
|
|
fprintf(stderr,"-E and -i are incompatible\n");
|
|
goto fail;
|
|
}
|
|
if (cfg->force_loop && cfg->really_force_loop) {
|
|
fprintf(stderr,"-E and -e are incompatible\n");
|
|
goto fail;
|
|
}
|
|
if (cfg->play_sdtout && cfg->outfilename) {
|
|
fprintf(stderr,"either -p or -o, make up your mind\n");
|
|
goto fail;
|
|
}
|
|
|
|
return 1;
|
|
fail:
|
|
return 0;
|
|
}
|
|
|
|
static void print_info(VGMSTREAM * vgmstream, cli_config *cfg) {
|
|
int channels = vgmstream->channels;
|
|
if (!cfg->play_sdtout) {
|
|
if (cfg->print_adxencd) {
|
|
printf("adxencd");
|
|
if (!cfg->print_metaonly)
|
|
printf(" \"%s\"",cfg->outfilename);
|
|
if (vgmstream->loop_flag)
|
|
printf(" -lps%d -lpe%d",vgmstream->loop_start_sample,vgmstream->loop_end_sample);
|
|
printf("\n");
|
|
}
|
|
else if (cfg->print_oggenc) {
|
|
printf("oggenc");
|
|
if (!cfg->print_metaonly)
|
|
printf(" \"%s\"",cfg->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 (cfg->print_batchvar) {
|
|
if (!cfg->print_metaonly)
|
|
printf("set fname=\"%s\"\n",cfg->outfilename);
|
|
printf("set tsamp=%d\nset chan=%d\n", vgmstream->num_samples, 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 (cfg->print_metaonly) {
|
|
printf("metadata for %s\n",cfg->infilename);
|
|
}
|
|
else {
|
|
printf("decoding %s\n",cfg->infilename);
|
|
}
|
|
}
|
|
|
|
if (!cfg->play_sdtout && !cfg->print_adxencd && !cfg->print_oggenc && !cfg->print_batchvar) {
|
|
char description[1024];
|
|
description[0] = '\0';
|
|
describe_vgmstream(vgmstream,description,1024);
|
|
printf("%s",description);
|
|
}
|
|
}
|
|
|
|
static void apply_config(VGMSTREAM * vgmstream, cli_config *cfg) {
|
|
|
|
/* honor suggested config, if any (defined order matters)
|
|
* note that ignore_fade and play_forever should take priority */
|
|
if (vgmstream->config_loop_count > 0.0) {
|
|
cfg->loop_count = vgmstream->config_loop_count;
|
|
}
|
|
if (vgmstream->config_fade_delay > 0.0) {
|
|
cfg->fade_delay = vgmstream->config_fade_delay;
|
|
}
|
|
if (vgmstream->config_fade_time > 0.0) {
|
|
cfg->fade_time = vgmstream->config_fade_time;
|
|
}
|
|
if (vgmstream->config_force_loop) {
|
|
cfg->really_force_loop = 1;
|
|
}
|
|
if (vgmstream->config_ignore_loop) {
|
|
cfg->ignore_loop = 1;
|
|
}
|
|
if (vgmstream->config_ignore_fade) {
|
|
cfg->ignore_fade = 1;
|
|
}
|
|
|
|
/* remove non-compatible options */
|
|
if (cfg->play_forever) {
|
|
cfg->ignore_fade = 0;
|
|
cfg->ignore_loop = 0;
|
|
}
|
|
|
|
/* change vgmstream's loop stuff (ignore loop goes last) */
|
|
if (cfg->force_loop && !vgmstream->loop_flag) {
|
|
vgmstream_force_loop(vgmstream, 1, 0,vgmstream->num_samples);
|
|
}
|
|
if (cfg->really_force_loop) {
|
|
vgmstream_force_loop(vgmstream, 1, 0,vgmstream->num_samples);
|
|
}
|
|
if (cfg->ignore_loop) {
|
|
vgmstream_force_loop(vgmstream, 0, 0,0);
|
|
}
|
|
|
|
/* loop N times, but also play stream end instead of fading out */
|
|
if (cfg->loop_count > 0 && cfg->ignore_fade) {
|
|
vgmstream_set_loop_target(vgmstream, (int)cfg->loop_count);
|
|
cfg->fade_time = 0;
|
|
}
|
|
|
|
/* write loops in the wav, but don't actually loop it */
|
|
if (cfg->write_lwav) {
|
|
cfg->lwav_loop_start = vgmstream->loop_start_sample;
|
|
cfg->lwav_loop_end = vgmstream->loop_end_sample;
|
|
vgmstream_force_loop(vgmstream, 0, 0,0);
|
|
}
|
|
}
|
|
|
|
void apply_fade(sample_t * buf, VGMSTREAM * vgmstream, int to_get, int i, int len_samples, int fade_samples, int channels) {
|
|
int is_fade_on = vgmstream->loop_flag;
|
|
|
|
if (is_fade_on && fade_samples > 0) {
|
|
int samples_into_fade = i - (len_samples - fade_samples);
|
|
if (samples_into_fade + to_get > 0) {
|
|
int j, k;
|
|
for (j = 0; j < to_get; j++, samples_into_fade++) {
|
|
if (samples_into_fade > 0) {
|
|
double fadedness = (double)(fade_samples - samples_into_fade) / fade_samples;
|
|
for (k = 0; k < channels; k++) {
|
|
buf[j*channels + k] = (sample_t)buf[j*channels + k] * fadedness;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void apply_seek(sample_t * buf, VGMSTREAM * vgmstream, int len_samples) {
|
|
int i;
|
|
|
|
for (i = 0; i < len_samples; i += SAMPLE_BUFFER_SIZE) {
|
|
int to_get = SAMPLE_BUFFER_SIZE;
|
|
if (i + SAMPLE_BUFFER_SIZE > len_samples)
|
|
to_get = len_samples - i;
|
|
|
|
render_vgmstream(buf, to_get, vgmstream);
|
|
}
|
|
}
|
|
|
|
/* ************************************************************ */
|
|
|
|
int main(int argc, char ** argv) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
FILE * outfile = NULL;
|
|
char outfilename_temp[PATH_LIMIT];
|
|
|
|
sample_t * buf = NULL;
|
|
int channels, input_channels;
|
|
int32_t len_samples;
|
|
int32_t fade_samples;
|
|
int i, j;
|
|
|
|
cli_config cfg = {0};
|
|
int res;
|
|
|
|
|
|
/* read args */
|
|
res = parse_config(&cfg, argc, argv);
|
|
if (!res) goto fail;
|
|
|
|
#ifdef WIN32
|
|
/* make stdout output work with windows */
|
|
if (cfg.play_sdtout) {
|
|
_setmode(fileno(stdout),_O_BINARY);
|
|
}
|
|
#endif
|
|
|
|
res = validate_config(&cfg);
|
|
if (!res) goto fail;
|
|
|
|
#if 0
|
|
/* CLI has no need to check */
|
|
{
|
|
int valid;
|
|
vgmstream_ctx_valid_cfg vcfg = {0};
|
|
|
|
vcfg.skip_standard = 1;
|
|
vcfg.reject_extensionless = 0;
|
|
vcfg.accept_unknown = 0;
|
|
vcfg.accept_common = 0;
|
|
|
|
VGM_LOG("CLI: valid %s\n", cfg.infilename);
|
|
valid = vgmstream_ctx_is_valid(cfg.infilename, &vcfg);
|
|
if (!valid) {
|
|
VGM_LOG("CLI: valid ko\n");
|
|
goto fail;
|
|
}
|
|
VGM_LOG("CLI: valid ok\n");
|
|
}
|
|
#endif
|
|
|
|
/* open streamfile and pass subsong */
|
|
{
|
|
//s = init_vgmstream(infilename);
|
|
STREAMFILE *streamFile = open_stdio_streamfile(cfg.infilename);
|
|
if (!streamFile) {
|
|
fprintf(stderr,"file %s not found\n",cfg.infilename);
|
|
goto fail;
|
|
}
|
|
|
|
streamFile->stream_index = cfg.stream_index;
|
|
vgmstream = init_vgmstream_from_STREAMFILE(streamFile);
|
|
close_streamfile(streamFile);
|
|
|
|
if (!vgmstream) {
|
|
fprintf(stderr,"failed opening %s\n",cfg.infilename);
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
|
|
/* modify the VGMSTREAM if needed (before printing file info) */
|
|
apply_config(vgmstream, &cfg);
|
|
|
|
channels = vgmstream->channels;
|
|
input_channels = vgmstream->channels;
|
|
|
|
/* enable after config but before outbuf */
|
|
vgmstream_mixing_enable(vgmstream, SAMPLE_BUFFER_SIZE, &input_channels, &channels);
|
|
|
|
if (cfg.play_forever && (!vgmstream->loop_flag || vgmstream->loop_target > 0)) {
|
|
fprintf(stderr,"I could play a nonlooped track forever, but it wouldn't end well.");
|
|
goto fail;
|
|
}
|
|
|
|
|
|
/* prepare output */
|
|
if (cfg.play_sdtout) {
|
|
outfile = stdout;
|
|
}
|
|
else if (!cfg.print_metaonly && !cfg.decode_only) {
|
|
if (!cfg.outfilename) {
|
|
/* note that outfilename_temp must persist outside this block, hence the external array */
|
|
strcpy(outfilename_temp, cfg.infilename);
|
|
strcat(outfilename_temp, ".wav");
|
|
cfg.outfilename = outfilename_temp;
|
|
/* maybe should avoid overwriting with this auto-name, for the unlikely
|
|
* case of file header-body pairs (file.ext+file.ext.wav) */
|
|
}
|
|
|
|
outfile = fopen(cfg.outfilename,"wb");
|
|
if (!outfile) {
|
|
fprintf(stderr,"failed to open %s for output\n",cfg.outfilename);
|
|
goto fail;
|
|
}
|
|
|
|
/* no improvement */
|
|
//setvbuf(outfile, NULL, _IOFBF, SAMPLE_BUFFER_SIZE * sizeof(sample_t) * input_channels);
|
|
//setvbuf(outfile, NULL, _IONBF, 0);
|
|
}
|
|
|
|
|
|
/* print file info (or batch commands, depending on config) */
|
|
print_info(vgmstream, &cfg);
|
|
|
|
/* print tags info */
|
|
if (cfg.tag_filename) {
|
|
VGMSTREAM_TAGS *tags;
|
|
const char *tag_key, *tag_val;
|
|
|
|
STREAMFILE *tagFile = open_stdio_streamfile(cfg.tag_filename);
|
|
if (!tagFile) {
|
|
fprintf(stderr,"tag file %s not found\n",cfg.tag_filename);
|
|
goto fail;
|
|
}
|
|
|
|
printf("tags:\n");
|
|
|
|
tags = vgmstream_tags_init(&tag_key, &tag_val);
|
|
vgmstream_tags_reset(tags, cfg.infilename);
|
|
while ( vgmstream_tags_next_tag(tags, tagFile)) {
|
|
printf("- '%s'='%s'\n", tag_key, tag_val);
|
|
}
|
|
vgmstream_tags_close(tags);
|
|
close_streamfile(tagFile);
|
|
}
|
|
|
|
/* prints done */
|
|
if (cfg.print_metaonly) {
|
|
if (!cfg.play_sdtout) {
|
|
if (outfile != NULL)
|
|
fclose(outfile);
|
|
}
|
|
close_vgmstream(vgmstream);
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
|
|
/* get final play config */
|
|
len_samples = get_vgmstream_play_samples(cfg.loop_count,cfg.fade_time,cfg.fade_delay,vgmstream);
|
|
fade_samples = (int32_t)(cfg.fade_time < 0 ? 0 : cfg.fade_time * vgmstream->sample_rate);
|
|
|
|
if (cfg.seek_samples >= len_samples)
|
|
cfg.seek_samples = 0;
|
|
len_samples -= cfg.seek_samples;
|
|
|
|
if (!cfg.play_sdtout && !cfg.print_adxencd && !cfg.print_oggenc && !cfg.print_batchvar) {
|
|
double time_mm, time_ss, seconds;
|
|
|
|
seconds = (double)len_samples / vgmstream->sample_rate;
|
|
time_mm = (int)(seconds / 60.0);
|
|
time_ss = seconds - time_mm * 60.0f;
|
|
printf("samples to play: %d (%1.0f:%06.3f seconds)\n", len_samples, time_mm, time_ss);
|
|
}
|
|
|
|
|
|
|
|
/* last init */
|
|
buf = malloc(SAMPLE_BUFFER_SIZE * sizeof(sample_t) * input_channels);
|
|
if (!buf) {
|
|
fprintf(stderr,"failed allocating output buffer\n");
|
|
goto fail;
|
|
}
|
|
|
|
/* slap on a .wav header */
|
|
if (!cfg.decode_only) {
|
|
uint8_t wav_buf[0x100];
|
|
int channels_write = (cfg.only_stereo != -1) ? 2 : channels;
|
|
size_t bytes_done;
|
|
|
|
bytes_done = make_wav_header(wav_buf,0x100,
|
|
len_samples, vgmstream->sample_rate, channels_write,
|
|
cfg.write_lwav, cfg.lwav_loop_start, cfg.lwav_loop_end);
|
|
|
|
fwrite(wav_buf,sizeof(uint8_t),bytes_done,outfile);
|
|
}
|
|
|
|
|
|
/* decode forever */
|
|
while (cfg.play_forever) {
|
|
int to_get = SAMPLE_BUFFER_SIZE;
|
|
|
|
render_vgmstream(buf, to_get, vgmstream);
|
|
|
|
swap_samples_le(buf, channels * to_get); /* write PC endian */
|
|
if (cfg.only_stereo != -1) {
|
|
for (j = 0; j < to_get; j++) {
|
|
fwrite(buf + j*channels + (cfg.only_stereo*2), sizeof(sample_t), 2, outfile);
|
|
}
|
|
} else {
|
|
fwrite(buf, sizeof(sample_t) * channels, to_get, outfile);
|
|
}
|
|
}
|
|
|
|
|
|
apply_seek(buf, vgmstream, cfg.seek_samples);
|
|
|
|
/* decode */
|
|
for (i = 0; i < len_samples; i += SAMPLE_BUFFER_SIZE) {
|
|
int to_get = SAMPLE_BUFFER_SIZE;
|
|
if (i + SAMPLE_BUFFER_SIZE > len_samples)
|
|
to_get = len_samples - i;
|
|
|
|
render_vgmstream(buf, to_get, vgmstream);
|
|
|
|
apply_fade(buf, vgmstream, to_get, i, len_samples, fade_samples, channels);
|
|
|
|
if (!cfg.decode_only) {
|
|
swap_samples_le(buf, channels * to_get); /* write PC endian */
|
|
if (cfg.only_stereo != -1) {
|
|
for (j = 0; j < to_get; j++) {
|
|
fwrite(buf + j*channels + (cfg.only_stereo*2), sizeof(sample_t), 2, outfile);
|
|
}
|
|
} else {
|
|
fwrite(buf, sizeof(sample_t), to_get * channels, outfile);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (outfile != NULL) {
|
|
fclose(outfile);
|
|
outfile = NULL;
|
|
}
|
|
|
|
|
|
/* try again with (for testing reset_vgmstream, simulates a seek to 0 after changing internal state) */
|
|
if (cfg.test_reset) {
|
|
char outfilename_reset[PATH_LIMIT];
|
|
strcpy(outfilename_reset, cfg.outfilename);
|
|
strcat(outfilename_reset, ".reset.wav");
|
|
|
|
outfile = fopen(outfilename_reset,"wb");
|
|
if (!outfile) {
|
|
fprintf(stderr,"failed to open %s for output\n",outfilename_reset);
|
|
goto fail;
|
|
}
|
|
|
|
reset_vgmstream(vgmstream);
|
|
|
|
/* vgmstream manipulations are undone by reset */
|
|
apply_config(vgmstream, &cfg);
|
|
|
|
apply_seek(buf, vgmstream, cfg.seek_samples);
|
|
|
|
/* slap on a .wav header */
|
|
if (!cfg.decode_only) {
|
|
uint8_t wav_buf[0x100];
|
|
int channels_write = (cfg.only_stereo != -1) ? 2 : channels;
|
|
size_t bytes_done;
|
|
|
|
bytes_done = make_wav_header(wav_buf,0x100,
|
|
len_samples, vgmstream->sample_rate, channels_write,
|
|
cfg.write_lwav, cfg.lwav_loop_start, cfg.lwav_loop_end);
|
|
|
|
fwrite(wav_buf,sizeof(uint8_t),bytes_done,outfile);
|
|
}
|
|
|
|
/* decode */
|
|
for (i = 0; i < len_samples; i += SAMPLE_BUFFER_SIZE) {
|
|
int to_get = SAMPLE_BUFFER_SIZE;
|
|
if (i + SAMPLE_BUFFER_SIZE > len_samples)
|
|
to_get = len_samples - i;
|
|
|
|
render_vgmstream(buf, to_get, vgmstream);
|
|
|
|
apply_fade(buf, vgmstream, to_get, i, len_samples, fade_samples, channels);
|
|
|
|
if (!cfg.decode_only) {
|
|
swap_samples_le(buf, channels * to_get); /* write PC endian */
|
|
if (cfg.only_stereo != -1) {
|
|
for (j = 0; j < to_get; j++) {
|
|
fwrite(buf + j*channels + (cfg.only_stereo*2), sizeof(sample_t), 2, outfile);
|
|
}
|
|
} else {
|
|
fwrite(buf, sizeof(sample_t) * channels, to_get, outfile);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (outfile != NULL) {
|
|
fclose(outfile);
|
|
outfile = NULL;
|
|
}
|
|
}
|
|
|
|
close_vgmstream(vgmstream);
|
|
free(buf);
|
|
|
|
return EXIT_SUCCESS;
|
|
|
|
fail:
|
|
if (!cfg.play_sdtout) {
|
|
if (outfile != NULL)
|
|
fclose(outfile);
|
|
}
|
|
close_vgmstream(vgmstream);
|
|
free(buf);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
|
|
|
|
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_t);
|
|
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_t)); /* bytes per second */
|
|
put_16bitLE(buf+0x20, (int16_t)(channels*sizeof(sample_t))); /* block align */
|
|
put_16bitLE(buf+0x22, sizeof(sample_t)*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 */
|
|
}
|
|
|
|
/* could try to add channel_layout, but would need to write WAVEFORMATEXTENSIBLE (maybe only if arg flag?) */
|
|
|
|
return header_size;
|
|
fail:
|
|
return 0;
|
|
}
|