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vgmstream/cli/vgmstream123.c
bnnm f1464ac2cc cleanup: minor stuff
2024-07-23 22:31:13 +02:00

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/* vgmstream123.c
*
* Simple player frontend for vgmstream
* Copyright (c) 2017 Daniel Richard G. <skunk@iSKUNK.ORG>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <getopt.h>
#include <ao/ao.h>
#include <sys/time.h>
#ifdef WIN32
# include <io.h>
# include <fcntl.h>
#else
# include <signal.h>
# include <unistd.h>
# include <sys/wait.h>
# include <termios.h>
#endif
#include "../src/vgmstream.h"
#include "../src/api.h"
#include "../version.h"
#ifndef VGMSTREAM_VERSION
#define VGMSTREAM_VERSION "unknown version " __DATE__
#endif
#define APP_NAME "vgmstream123 player " VGMSTREAM_VERSION
#define APP_INFO APP_NAME " (" __DATE__ ")"
//TODO: improve WIN32 builds (some features/behaviors are missing but works)
#ifdef WIN32
#define getline(line, line_mem, f) 0
#define mkdtemp(temp_dir) 0
#define signal(sig, interrupt_handler) /*nothing*/
#define WIFSIGNALED(ret) 0
#define WTERMSIG(ret) 0
#define SIGQUIT 0
#define SIGINT 0
#define SIGHUP 0
#endif
/* If two interrupts (i.e. Ctrl-C) are received
* within a span of this many seconds, then exit
*/
#define DOUBLE_INTERRUPT_TIME 1.0
#define LITTLE_ENDIAN_OUTPUT 1 /* untested in BE */
#define DEFAULT_PARAMS { 0, 0, -1, -1, 2.0, 10.0, 0.0, 0, 0, 0, 0 }
typedef struct {
int subsong_index;
int subsong_end;
int only_stereo;
double min_time;
double loop_count;
double fade_time;
double fade_delay;
int ignore_loop;
int force_loop;
int really_force_loop;
int play_forever;
} song_settings_t;
static const char *out_filename = NULL;
static int driver_id;
static ao_device *device = NULL;
static ao_option *device_options = NULL;
static ao_sample_format current_sample_format;
static sample_t *buffer = NULL;
/* reportedly 1kb helps Raspberry Pi Zero play FFmpeg formats without stuttering
* (presumably other low powered devices too), plus it's the default in other plugins */
static int buffer_size_kb = 1;
static int repeat = 0;
static int verbose = 0;
static volatile int interrupted = 0;
static double interrupt_time = 0.0;
static int play_file(const char *filename, song_settings_t *par);
static void interrupt_handler(int signum) {
interrupted = 1;
}
static int record_interrupt(void) {
int ret = 0;
struct timeval tv = { 0, 0 };
double t;
if (gettimeofday(&tv, NULL))
return -1;
t = (double)tv.tv_sec + (double)tv.tv_usec / 1.0e6;
if (t - interrupt_time < DOUBLE_INTERRUPT_TIME)
ret = 1;
interrupt_time = t;
interrupted = 0;
return ret;
}
/* Opens the audio device with the appropriate parameters
*/
static int set_sample_format(int channels, int sample_rate) {
ao_sample_format format;
memset(&format, 0, sizeof(format));
format.bits = 8 * sizeof(sample_t);
format.channels = channels;
format.rate = sample_rate;
format.byte_format =
#if LITTLE_ENDIAN_OUTPUT
AO_FMT_LITTLE
#else
AO_FMT_BIG
#endif
;
if (memcmp(&format, &current_sample_format, sizeof(format))) {
/* Sample format has changed, so (re-)open audio device */
ao_info *info = ao_driver_info(driver_id);
if (!info) return -1;
if ((info->type == AO_TYPE_FILE) != !!out_filename) {
if (out_filename)
fprintf(stderr, "Live output driver \"%s\" does not take an output file\n", info->short_name);
else
fprintf(stderr, "File output driver \"%s\" requires an output filename\n", info->short_name);
return -1;
}
if (device)
ao_close(device);
memcpy(&current_sample_format, &format, sizeof(format));
if (out_filename)
device = ao_open_file(driver_id, out_filename, 1, &format, device_options);
else
device = ao_open_live(driver_id, &format, device_options);
if (!device) {
fprintf(stderr, "Error opening \"%s\" audio device\n", info->short_name);
return -1;
}
}
return 0;
}
static void apply_config(VGMSTREAM* vgmstream, song_settings_t* cfg) {
vgmstream_cfg_t vcfg = {0};
vcfg.allow_play_forever = 1;
vcfg.play_forever = cfg->play_forever;
vcfg.fade_time = cfg->fade_time;
vcfg.loop_count = cfg->loop_count;
vcfg.fade_delay = cfg->fade_delay;
vcfg.ignore_loop = cfg->ignore_loop;
vcfg.force_loop = cfg->force_loop;
vcfg.really_force_loop = cfg->really_force_loop;
vgmstream_apply_config(vgmstream, &vcfg);
}
#ifndef WIN32
static int getkey() {
int character;
struct termios orig_term_attr;
struct termios new_term_attr;
/* set the terminal to raw mode */
tcgetattr(fileno(stdin), &orig_term_attr);
memcpy(&new_term_attr, &orig_term_attr, sizeof(struct termios));
new_term_attr.c_lflag &= ~(ECHO|ICANON);
new_term_attr.c_cc[VTIME] = 0;
new_term_attr.c_cc[VMIN] = 0;
tcsetattr(fileno(stdin), TCSANOW, &new_term_attr);
/* read a character from the stdin stream without blocking */
/* returns EOF (-1) if no character is available */
character = fgetc(stdin);
/* restore the original terminal attributes */
tcsetattr(fileno(stdin), TCSANOW, &orig_term_attr);
return character;
}
#endif
static int play_vgmstream(const char* filename, song_settings_t* cfg) {
int ret = 0;
STREAMFILE* sf;
VGMSTREAM* vgmstream;
FILE* save_fps[4];
size_t buffer_size;
int32_t max_buffer_samples;
int i;
int output_channels, input_channels;
sf = open_stdio_streamfile(filename);
if (!sf) {
fprintf(stderr, "%s: cannot open file\n", filename);
return -1;
}
vgmstream_set_log_stdout(VGM_LOG_LEVEL_ALL);
sf->stream_index = cfg->subsong_index;
vgmstream = init_vgmstream_from_STREAMFILE(sf);
close_streamfile(sf);
if (!vgmstream) {
fprintf(stderr, "%s: error opening stream\n", filename);
return -1;
}
/* force load total subsongs if signalled */
if (cfg->subsong_end == -1) {
cfg->subsong_end = vgmstream->num_streams;
close_vgmstream(vgmstream);
return 0;
}
/* If the audio device hasn't been opened yet, then describe it
*/
if (!device) {
ao_info *info = ao_driver_info(driver_id);
if (!info) {
printf("Cannot find audio device\n");
goto fail;
}
printf("Audio device: %s\n", info->name);
printf("Comment: %s\n", info->comment);
putchar('\n');
}
if (vgmstream->num_streams > 0) {
int subsong = vgmstream->stream_index;
if (!subsong)
subsong = 1;
printf("Playing stream: %s [%i/%i]\n", filename, subsong, vgmstream->num_streams);
}
else {
printf("Playing stream: %s\n", filename);
}
/* Print metadata in verbose mode
*/
if (verbose) {
char description[4096] = { '\0' };
describe_vgmstream(vgmstream, description, sizeof(description));
puts(description);
putchar('\n');
}
/* Stupid hack to hang onto a few low-numbered file descriptors
* so that play_compressed_file() doesn't break, due to POSIX
* wackiness like https://bugs.debian.org/590920
*/
for (i = 0; i < 4; i++)
save_fps[i] = fopen("/dev/null", "r");
/* Calculate how many loops are needed to achieve a minimum
* playback time. Note: This calculation is derived from the
* logic in get_vgmstream_play_samples().
*/
if (vgmstream->loop_flag && cfg->loop_count < 0) {
double intro = (double)vgmstream->loop_start_sample / vgmstream->sample_rate;
double loop = (double)(vgmstream->loop_end_sample - vgmstream->loop_start_sample) / vgmstream->sample_rate;
double end = cfg->fade_time + cfg->fade_delay;
if (loop < 1.0) loop = 1.0;
cfg->loop_count = ((cfg->min_time - intro - end) / loop + 0.99);
if (cfg->loop_count < 1.0) cfg->loop_count = 1.0;
}
/* Config
*/
apply_config(vgmstream, cfg);
if (cfg->only_stereo >= 0) {
vgmstream_mixing_stereo_only(vgmstream, cfg->only_stereo);
}
input_channels = vgmstream->channels;
output_channels = vgmstream->channels;
vgmstream_mixing_enable(vgmstream, 0, &input_channels, &output_channels); /* query */
/* Buffer size in bytes (after getting channels)
*/
buffer_size = 1024 * buffer_size_kb;
if (!buffer) {
if (buffer_size_kb < 1) {
fprintf(stderr, "Invalid buffer size '%d'\n", buffer_size_kb);
return -1;
}
buffer = malloc(buffer_size);
if (!buffer) goto fail;
}
max_buffer_samples = buffer_size / (input_channels * sizeof(sample));
vgmstream_mixing_enable(vgmstream, max_buffer_samples, NULL, NULL); /* enable */
/* Init
*/
ret = set_sample_format(output_channels, vgmstream->sample_rate);
if (ret) goto fail;
/* Decode
*/
{
double total;
int time_total_min;
double time_total_sec;
int play_forever = vgmstream_get_play_forever(vgmstream);
int32_t decode_pos_samples = 0;
int32_t length_samples = vgmstream_get_samples(vgmstream);
if (length_samples <= 0) goto fail;
if (out_filename && play_forever) {
fprintf(stderr, "%s: cannot play forever and use output filename\n", filename);
ret = -1;
goto fail;
}
total = (double)length_samples / vgmstream->sample_rate;
time_total_min = (int)total / 60;
time_total_sec = total - 60 * time_total_min;
while (!interrupted) {
int to_do;
#ifndef WIN32
int key = getkey();
if (key < 0) {
clearerr(stdin);
}
/* interrupt when Q (0x71) is pressed */
if (key == 0x71) {
interrupted = 1;
break;
}
#endif
if (decode_pos_samples + max_buffer_samples > length_samples && !play_forever)
to_do = length_samples - decode_pos_samples;
else
to_do = max_buffer_samples;
if (to_do <= 0) {
break; /* EOF */
}
render_vgmstream(buffer, to_do, vgmstream);
#if LITTLE_ENDIAN_OUTPUT
swap_samples_le(buffer, output_channels * to_do, 0);
#endif
if (verbose && !out_filename) {
double played = (double)decode_pos_samples / vgmstream->sample_rate;
double remain = (double)(length_samples - decode_pos_samples) / vgmstream->sample_rate;
if (remain < 0)
remain = 0; /* possible if play forever is set */
int time_played_min = (int)played / 60;
double time_played_sec = played - 60 * time_played_min;
int time_remain_min = (int)remain / 60;
double time_remain_sec = remain - 60 * time_remain_min;
/* Time: 01:02.34 [08:57.66] of 10:00.00 */
printf("\rTime: %02d:%05.2f [%02d:%05.2f] of %02d:%05.2f ",
time_played_min, time_played_sec,
time_remain_min, time_remain_sec,
time_total_min, time_total_sec);
fflush(stdout);
}
if (!ao_play(device, (char *)buffer, to_do * output_channels * sizeof(sample))) {
fputs("\nAudio playback error\n", stderr);
ao_close(device);
device = NULL;
ret = -1;
break;
}
decode_pos_samples += to_do;
}
if (verbose && !ret) {
/* Clear time status line */
putchar('\r');
for (i = 0; i < 64; i++)
putchar(' ');
putchar('\r');
fflush(stdout);
}
if (out_filename && !ret)
printf("Wrote %02d:%05.2f of audio to %s\n\n",
time_total_min, time_total_sec, out_filename);
if (interrupted) {
fputs("Playback terminated.\n\n", stdout);
ret = record_interrupt();
if (ret) fputs("Exiting...\n", stdout);
}
}
fail:
close_vgmstream(vgmstream);
for (i = 0; i < 4; i++)
if (save_fps[i]) {
fclose(save_fps[i]);
}
return ret;
}
static int play_playlist(const char *filename, song_settings_t *default_par) {
int ret = 0;
FILE *f;
char *line = NULL;
size_t line_mem = 0;
ssize_t line_len = 0;
song_settings_t par;
memcpy(&par, default_par, sizeof(par));
f = fopen(filename, "r");
if (!f) {
fprintf(stderr, "%s: cannot open playlist file\n", filename);
return -1;
}
while ((line_len = getline(&line, &line_mem, f)) >= 0) {
/* Remove any leading whitespace
*/
size_t ws_len = strspn(line, "\t ");
if (ws_len > 0) {
line_len -= ws_len;
memmove(line, line + ws_len, line_len + 1);
}
/* Remove trailing whitespace
*/
while (line_len >= 1 && (line[line_len - 1] == '\r' || line[line_len - 1] == '\n'))
line[--line_len] = '\0';
#define EXT_PREFIX "#EXT-X-VGMSTREAM:"
if (!strncmp(line, EXT_PREFIX, sizeof(EXT_PREFIX) - 1)) {
/* Parse vgmstream-specific metadata */
char *param = strtok(line + sizeof(EXT_PREFIX) - 1, ",");
#define PARAM_MATCHES(NAME) (!strncmp(param, NAME "=", sizeof(NAME)) && arg)
while (param) {
char *arg = strchr(param, '=');
if (arg) arg++;
if (PARAM_MATCHES("FADEDELAY"))
par.fade_delay = atof(arg);
else if (PARAM_MATCHES("FADETIME"))
par.fade_time = atof(arg);
else if (PARAM_MATCHES("LOOPCOUNT"))
par.loop_count = atof(arg);
else if (PARAM_MATCHES("STREAMINDEX"))
par.subsong_index = atoi(arg);
param = strtok(NULL, ",");
}
}
/* Skip blank or comment lines
*/
if (line[0] == '\0' || line[0] == '#')
continue;
ret = play_file(line, &par);
if (ret) break;
/* Reset playback options to default */
memcpy(&par, default_par, sizeof(par));
}
free(line);
fclose(f);
return ret;
}
static int play_compressed_file(const char *filename, song_settings_t *par, const char *expand_cmd) {
int ret;
char temp_dir[128] = "/tmp/vgmXXXXXX";
const char *base_name;
char *last_slash, *last_dot;
char *cmd = NULL, *temp_file = NULL;
FILE *in_fp, *out_fp;
cmd = malloc(strlen(filename) + 1024);
temp_file = malloc(strlen(filename) + 256);
if (!cmd || !temp_file)
return -2;
if (!mkdtemp(temp_dir)) {
fprintf(stderr, "%s: error creating temp dir for decompression\n", temp_dir);
ret = -1;
goto fail;
}
/* Get the base name of the file path
*/
last_slash = strrchr(filename, '/');
if (last_slash)
base_name = last_slash + 1;
else
base_name = filename;
sprintf(temp_file, "%s/%s", temp_dir, base_name);
/* Chop off the compressed-file extension
*/
last_dot = strrchr(temp_file, '.');
if (last_dot) *last_dot = '\0';
printf("Decompressing file: %s\n", filename);
in_fp = fopen(filename, "rb");
out_fp = fopen(temp_file, "wb");
if (in_fp && out_fp) {
setbuf(in_fp, NULL);
setbuf(out_fp, NULL);
/* Don't put filenames into the system() arg; that's insecure!
*/
sprintf(cmd, "%s <&%d >&%d ", expand_cmd, fileno(in_fp), fileno(out_fp));
ret = system(cmd);
if (WIFSIGNALED(ret) && (WTERMSIG(ret) == SIGINT || WTERMSIG(ret) == SIGQUIT))
interrupted = 1;
}
else
ret = -1;
if (in_fp && fclose(in_fp))
ret = -1;
if (out_fp && fclose(out_fp))
ret = -1;
if (ret) {
if (interrupted) {
putchar('\r');
ret = record_interrupt();
if (ret) fputs("Exiting...\n", stdout);
}
else
fprintf(stderr, "%s: error decompressing file\n", filename);
}
else
ret = play_file(temp_file, par);
remove(temp_file);
remove(temp_dir);
fail:
free(cmd);
free(temp_file);
return ret;
}
#define ENDS_IN(EXT) !strcasecmp(EXT, filename + len - sizeof(EXT) + 1)
static int play_standard(const char* filename, song_settings_t* cfg) {
int ret, subsong;
/* standard */
if (cfg->subsong_end == 0) {
return play_vgmstream(filename, cfg);
}
/* N subsongs */
/* first call should force load max subsongs */
if (cfg->subsong_end == -1) {
ret = play_vgmstream(filename, cfg);
if (ret) return ret;
}
for (subsong = cfg->subsong_index; subsong < cfg->subsong_end + 1; subsong++) {
cfg->subsong_index = subsong;
ret = play_vgmstream(filename, cfg);
if (ret) return ret;
}
return 0;
}
static int play_file(const char* filename, song_settings_t* cfg) {
size_t len = strlen(filename);
if (ENDS_IN(".m3u") || ENDS_IN(".m3u8"))
return play_playlist(filename, cfg);
else if (ENDS_IN(".bz2"))
return play_compressed_file(filename, cfg, "bzip2 -cd");
else if (ENDS_IN(".gz"))
return play_compressed_file(filename, cfg, "gzip -cd");
else if (ENDS_IN(".lzma"))
return play_compressed_file(filename, cfg, "lzma -cd");
else if (ENDS_IN(".xz"))
return play_compressed_file(filename, cfg, "xz -cd");
else
return play_standard(filename, cfg);
}
static void add_driver_option(const char *key_value) {
char buf[1024];
char *value = NULL;
char *sep;
strncpy(buf, key_value, sizeof(buf));
buf[sizeof(buf) - 1] = '\0';
sep = strchr(buf, ':');
if (sep) {
*sep = '\0';
value = sep + 1;
}
ao_append_option(&device_options, buf, value);
}
static void print_usage(const char* progname, int is_help) {
song_settings_t default_par = DEFAULT_PARAMS;
const char* default_driver = "???";
{
ao_info* info = ao_driver_info(driver_id);
if (info)
default_driver = info->short_name;
}
fprintf(is_help ? stdout : stderr, APP_INFO "\n"
"Usage: %s [options] <infile> ...\n"
"Options:\n"
" -D DRV Use output driver DRV [%s]; available drivers:\n"
" ",
progname,
default_driver);
{
ao_info** info_list;
int driver_count = 0;
int i;
info_list = ao_driver_info_list(&driver_count);
for (i = 0; i < driver_count; i++) {
fprintf(is_help ? stdout : stderr, "%s ", info_list[i]->short_name);
}
}
fprintf(is_help ? stdout : stderr, "\n"
" -P KEY:VAL Pass parameter KEY with value VAL to the output driver\n"
" (see https://www.xiph.org/ao/doc/drivers.html)\n"
" -B N Use an audio buffer of N kilobytes [%d]\n"
" -@ LSTFILE Read playlist from LSTFILE\n"
"\n"
" -o OUTFILE Set output filename for a file driver specified with -D\n"
" -m Print metadata and playback progress\n"
" -s N Play subsong N, if the format supports multiple subsongs\n"
" -S N Play up to end subsong N (set 0 for 'all')\n"
" -2 N Play the Nth (first is 0) set of stereo channels\n"
" -h Print this help\n"
"\n"
"Looping options:\n"
" -M MINTIME Loop for a playback time of at least MINTIME seconds\n"
" -l FLOOPS Loop N times [%.1f]\n"
" -f FTIME End playback with a fade-out of FTIME seconds [%.1f]\n"
" -d FDELAY Delay fade-out for an additional FDELAY seconds [%.1f]\n"
" -i Ignore loop\n"
" -e Force loop (loop only if file doesn't have loop points)\n"
" -E Really force loop (repeat file)\n"
" -c Play forever (continuously), looping file until stopped\n"
" -r Repeat playback again (with fade, use -c for infinite loops)\n"
"\n"
"<infile> can be any stream file type supported by vgmstream, or an .m3u/.m3u8\n"
"playlist referring to same. This program supports the \"EXT-X-VGMSTREAM\" tag\n"
"in playlists, and files compressed with gzip/bzip2/xz.\n",
buffer_size_kb,
default_par.loop_count,
default_par.fade_time,
default_par.fade_delay
);
}
int main(int argc, char **argv) {
int error = 0;
int opt;
song_settings_t cfg;
int extension = 0;
signal(SIGHUP, interrupt_handler);
signal(SIGINT, interrupt_handler);
signal(SIGQUIT, interrupt_handler);
ao_initialize();
driver_id = ao_default_driver_id();
memset(&current_sample_format, 0, sizeof(current_sample_format));
if (argc == 1) {
/* We were invoked with no arguments */
print_usage(argv[0], 0);
goto done;
}
again_opts:
{
song_settings_t default_par = DEFAULT_PARAMS;
cfg = default_par;
}
while ((opt = getopt(argc, argv, "-D:f:l:M:s:2:B:d:o:P:@:hrmieEcS:")) != -1) {
switch (opt) {
case 1:
/* glibc getopt extension
* (files may appear multiple times in any position, ex. "file.adx -L 1.0 file.adx") */
extension = 1;
if (play_file(optarg, &cfg)) {
error = 1;
goto done;
}
break;
case '@':
if (play_playlist(optarg, &cfg)) {
error = 1;
goto done;
}
break;
case 'd':
cfg.fade_delay = atof(optarg);
break;
case 'f':
cfg.fade_time = atof(optarg);
break;
case 'l':
cfg.loop_count = atof(optarg);
break;
case 'M':
cfg.min_time = atof(optarg);
cfg.loop_count = -1.0;
break;
case 's':
cfg.subsong_index = atoi(optarg);
break;
case 'S':
cfg.subsong_end = atoi(optarg);
if (!cfg.subsong_end)
cfg.subsong_end = -1; /* signal up to end (otherwise 0 = not set) */
if (!cfg.subsong_index)
cfg.subsong_index = 1;
break;
case '2':
cfg.only_stereo = atoi(optarg);
break;
case 'i':
cfg.ignore_loop = 1;
break;
case 'e':
cfg.force_loop = 1;
break;
case 'E':
cfg.really_force_loop = 1;
break;
case 'c':
cfg.play_forever = 1;
break;
case 'B':
if (!buffer)
buffer_size_kb = atoi(optarg);
break;
case 'D':
driver_id = ao_driver_id(optarg);
if (driver_id < 0) {
fprintf(stderr, "Invalid output driver \"%s\"\n", optarg);
error = 1;
goto done;
}
break;
case 'o':
out_filename = optarg;
break;
case 'h':
print_usage(argv[0], 1);
goto done;
case 'P':
add_driver_option(optarg);
break;
case 'r':
repeat = 1;
break;
case 'm':
verbose = 1;
break;
default:
VGM_LOG("vgmstream123: unknown opt %x", opt);
goto done;
}
}
again_files:
if (!extension) {
/* standard POSIX getopt
* (files are expected to go at the end, optind is at that point) */
for (opt = optind; opt < argc; ++opt) {
if (play_file(argv[opt], &cfg)) {
error = 1;
goto done;
}
}
}
if (repeat) {
if (extension) {
optind = 0; /* mark reset (BSD may need optreset?) */
goto again_opts;
}
else {
goto again_files;
}
}
done:
if (device)
ao_close(device);
if (buffer)
free(buffer);
ao_free_options(device_options);
ao_shutdown();
return error;
}
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