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vgmstream/cli/vgmstream_cli.c

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#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
#define SAMPLE_BUFFER_SIZE 0x8000
/* 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) {
cfg->loop_count = vgmstream->config_loop_count;
}
if (vgmstream->config_fade_delay) {
cfg->fade_delay = vgmstream->config_fade_delay;
}
if (vgmstream->config_fade_time) {
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 cfg2 = {0};
cfg2.skip_standard = 1;
cfg2.reject_extensionless = 0;
cfg2.accept_unknown = 0;
cfg2.accept_common = 1;
valid = vgmstream_ctx_is_valid(cfg.infilename, &cfg2);
if (!valid) goto fail;
}
#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);
}
}
}
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);
}
}
}
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;
}
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