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main.c
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/*
* Squeezelite - lightweight headless squeezebox emulator
*
* (c) Adrian Smith 2012-2014, [email protected]
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "squeezelite.h"
#include <signal.h>
#define TITLE "Squeezelite " VERSION ", Copyright 2012-2014 Adrian Smith."
#ifdef INTERACTIVE
interactive_str interactive;
#endif
static void usage(const char *argv0) {
printf(TITLE " See -t for license terms\n"
"Usage: %s [options]\n"
" -s <server>[:<port>]\tConnect to specified server, otherwise uses autodiscovery to find server\n"
" -o <output device>\tSpecify output device, default \"default\", - = output to stdout\n"
" -l \t\t\tList output devices\n"
#if ALSA
" -a <b>:<p>:<f>:<m>\tSpecify ALSA params to open output device, b = buffer time in ms or size in bytes, p = period count or size in bytes, f sample format (16|24|24_3|32), m = use mmap (0|1)\n"
#endif
#if PORTAUDIO
#if OSX
" -a <l>:<r>\t\tSpecify Portaudio params to open output device, l = target latency in ms, r = allow OSX to resample (0|1)\n"
#else
" -a <l>\t\tSpecify Portaudio params to open output device, l = target latency in ms\n"
#endif
#endif
" -a <f>\t\tSpecify sample format (16|24|32) of output file when using -o - to output samples to stdout (interleaved little endian only)\n"
" -b <stream>:<output>\tSpecify internal Stream and Output buffer sizes in Kbytes\n"
" -c <codec1>,<codec2>\tRestrict codecs to those specified, otherwise load all available codecs; known codecs: "
#if FFMPEG
"flac,pcm,mp3,ogg,aac,wma,alac (mad,mpg for specific mp3 codec)\n"
#else
"flac,pcm,mp3,ogg,aac (mad,mpg for specific mp3 codec)\n"
#endif
" -d <log>=<level>\tSet logging level, logs: all|slimproto|stream|decode|output, level: info|debug|sdebug\n"
" -f <logfile>\t\tWrite debug to logfile\n"
" -m <mac addr>\t\tSet mac address, format: ab:cd:ef:12:34:56\n"
" -n <name>\t\tSet the player name\n"
" -N <filename>\t\tStore player name in filename to allow server defined name changes to be shared between servers (not supported with -n)\n"
#if ALSA
" -p <priority>\t\tSet real time priority of output thread (1-99)\n"
#endif
" -r <rates>\t\tSpecify sample rates supported by device, enables output device to be off when squeezelite is started; rates = <maxrate> | <minrate>-<maxrate> | <rate1>,<rate2>,<rate3>\n"
#if RESAMPLE
" -R -u [params]\tResample, params = <recipe>:<flags>:<attenuation>:<precision>:<passband_end>:<stopband_start>:<phase_response>,\n"
" \t\t\t recipe = (v|h|m|l|q)(L|I|M)(s) [E|X], E = exception - resample only if native rate not supported, X = async - resample to max rate for device, otherwise to max sync rate\n"
" \t\t\t flags = num in hex,\n"
" \t\t\t attenuation = attenuation in dB to apply (default is -1db if not explicitly set),\n"
" \t\t\t precision = number of bits precision (NB. HQ = 20. VHQ = 28),\n"
" \t\t\t passband_end = number in percent (0dB pt. bandwidth to preserve. nyquist = 100%%),\n"
" \t\t\t stopband_start = number in percent (Aliasing/imaging control. > passband_end),\n"
" \t\t\t phase_response = 0-100 (0 = minimum / 50 = linear / 100 = maximum)\n"
#endif
#if DSD
" -D [delay]\t\tOutput device supports DSD over PCM (DoP), delay = optional delay switching between PCM and DoP in ms\n"
#endif
#if VISEXPORT
" -v \t\t\tVisulizer support\n"
#endif
#if LINUX
" -z \t\t\tDaemonize\n"
#endif
#ifdef INTERACTIVE
#ifndef __WIN32__
"-L Enable LCDd (lcdproc) text display.\n"
" Requires LCDd running on local host\n"
" unless using -I or -E switches.\n"
"-O Enable old LCDd (lcdproc<0.5.4) text display.\n"
"-i Enable lirc remote control support.\n"
" Requires lirc running on local host\n"
" unless using -I switch.\n"
"-F <filename> Location of lirc client configuration file.\n"
" Default: ~/.lircrc\n"
"-E <lcdproc hostname> IP address of host running LCDd.\n"
" Allows LCD display to be on a different host\n"
" than squeezeslave is running on.\n"
" Default is connect to LCDd on local host.\n"
#endif
"-T Enable slimp3 style text display and\n"
" keyboard input.\n"
" Keys: 0-9: 0-9\n"
" Insert or I Add\n"
" Cursor Keys Arrows\n"
" >,< Fwd,Rew\n"
" Home or H Home\n"
" End or N Now Playing\n"
" Space or P Pause\n"
" Enter Play\n"
" Q Quit\n"
" R Repeat\n"
" S Shuffle\n"
" ? Search\n"
" b Browse\n"
" F Favourites\n"
" %% Size\n"
" Z Sleep\n"
" +,- Vol up,down\n"
"-w Set the display width to <chars> characters\n"
#ifndef __WIN32__
" If using LCDd, width is detected.\n"
#endif
#endif
" -t \t\t\tLicense terms\n"
"\n"
"Build options:"
#if LINUX
" LINUX"
#endif
#if WIN
" WIN"
#endif
#if OSX
" OSX"
#endif
#if ALSA
" ALSA"
#endif
#if PORTAUDIO
" PORTAUDIO"
#endif
#if EVENTFD
" EVENTFD"
#endif
#if SELFPIPE
" SELFPIPE"
#endif
#if WINEVENT
" WINEVENT"
#endif
#if RESAMPLE
" RESAMPLE"
#endif
#if FFMPEG
" FFMPEG"
#endif
#if VISEXPORT
" VISEXPORT"
#endif
#if DSD
" DSD"
#endif
#if LINKALL
" LINKALL"
#endif
#if INTERACTIVE
" INTERACTIVE"
#endif
"\n\n",
argv0);
}
static void license(void) {
printf(TITLE "\n\n"
"This program is free software: you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation, either version 3 of the License, or\n"
"(at your option) any later version.\n\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program. If not, see <http://www.gnu.org/licenses/>.\n\n"
#if DSD
"Contains dsd2pcm library Copyright 2009, 2011 Sebastian Gesemann which\n"
"is subject to its own license.\n\n"
#endif
);
}
static void sighandler(int signum) {
slimproto_stop();
// remove ourselves in case above does not work, second SIGINT will cause non gracefull shutdown
signal(signum, SIG_DFL);
}
int main(int argc, char **argv) {
char *server = NULL;
char *output_device = "default";
char *codecs = NULL;
char *name = NULL;
char *namefile = NULL;
char *logfile = NULL;
u8_t mac[6];
unsigned stream_buf_size = STREAMBUF_SIZE;
unsigned output_buf_size = 0; // set later
unsigned rates[MAX_SUPPORTED_SAMPLERATES] = { 0 };
char *resample = NULL;
char *output_params = NULL;
#if LINUX
bool daemonize = false;
#endif
#if ALSA
unsigned rt_priority = OUTPUT_RT_PRIORITY;
#endif
#if DSD
bool dop = false;
unsigned dop_delay = 0;
#endif
#if VISEXPORT
bool visexport = false;
#endif
#ifdef INTERACTIVE
init_interactive_str(&interactive);
char *home;
char lcddserver_address[INET_FQDNSTRLEN] = "127.0.0.1";
#ifdef __WIN32__
int WSAerrno;
int ptw32_processInitialize (void);
ptw32_processInitialize();
#endif /* __WIN32__ */
/* default lircrc file ($HOME/.lircrc) */
home = getenv("HOME");
if (home == NULL) home = "";
interactive.lircrc = (char *)malloc((strlen(home) + strlen("/.lircrc") + 1) * sizeof(char));
strcpy(interactive.lircrc,home);
strcat(interactive.lircrc,"/.lircrc");
#endif /* INTERACTIVE */
log_level log_output = lWARN;
log_level log_stream = lWARN;
log_level log_decode = lWARN;
log_level log_slimproto = lWARN;
char *optarg = NULL;
int optind = 1;
get_mac(mac);
while (optind < argc && strlen(argv[optind]) >= 2 && argv[optind][0] == '-') {
char *opt = argv[optind] + 1;
if (strstr("oabcdfmnNprs"
#ifdef INTERACTIVE
#ifndef __WIN32__
"F"
#endif
#endif
, opt) && optind < argc - 1) {
optarg = argv[optind + 1];
optind += 2;
} else if (strstr("ltz"
#if RESAMPLE
"uR"
#endif
#if DSD
"D"
#endif
#if VISEXPORT
"v"
#endif
#ifdef INTERACTIVE
#ifndef __WIN32__
"LOiE"
#endif
"Tw"
#endif
, opt)) {
optarg = NULL;
optind += 1;
} else {
usage(argv[0]);
exit(0);
}
switch (opt[0]) {
case 'o':
output_device = optarg;
break;
case 'a':
output_params = optarg;
break;
case 'b':
{
char *s = next_param(optarg, ':');
char *o = next_param(NULL, ':');
if (s) stream_buf_size = atoi(s) * 1024;
if (o) output_buf_size = atoi(o) * 1024;
}
break;
case 'c':
codecs = optarg;
break;
case 'd':
{
char *l = strtok(optarg, "=");
char *v = strtok(NULL, "=");
log_level new = lWARN;
if (l && v) {
if (!strcmp(v, "info")) new = lINFO;
if (!strcmp(v, "debug")) new = lDEBUG;
if (!strcmp(v, "sdebug")) new = lSDEBUG;
if (!strcmp(l, "all") || !strcmp(l, "slimproto")) log_slimproto = new;
if (!strcmp(l, "all") || !strcmp(l, "stream")) log_stream = new;
if (!strcmp(l, "all") || !strcmp(l, "decode")) log_decode = new;
if (!strcmp(l, "all") || !strcmp(l, "output")) log_output = new;
} else {
usage(argv[0]);
exit(0);
}
}
break;
case 'f':
logfile = optarg;
break;
case 'm':
{
int byte = 0;
char *tmp;
char *t = strtok(optarg, ":");
while (t && byte < 6) {
mac[byte++] = (u8_t)strtoul(t, &tmp, 16);
t = strtok(NULL, ":");
}
}
break;
case 'r':
if (strstr(optarg,",")) {
// parse sample rates and sort them
char *r = next_param(optarg, ',');
unsigned tmp[MAX_SUPPORTED_SAMPLERATES] = { 0 };
int i, j;
int last = 999999;
for (i = 0; r && i < MAX_SUPPORTED_SAMPLERATES; ++i) {
tmp[i] = atoi(r);
r = next_param(NULL, ',');
}
for (i = 0; i < MAX_SUPPORTED_SAMPLERATES; ++i) {
int largest = 0;
for (j = 0; j < MAX_SUPPORTED_SAMPLERATES; ++j) {
if (tmp[j] > largest && tmp[j] < last) {
largest = tmp[j];
}
}
rates[i] = last = largest;
}
} else {
// optstr is <min>-<max> or <max>, extract rates from test rates within this range
unsigned ref[] TEST_RATES;
char *str1 = next_param(optarg, '-');
char *str2 = next_param(NULL, '-');
unsigned max = str2 ? atoi(str2) : (str1 ? atoi(str1) : ref[0]);
unsigned min = str1 && str2 ? atoi(str1) : 0;
unsigned tmp;
int i, j;
if (max < min) { tmp = max; max = min; min = tmp; }
rates[0] = max;
for (i = 0, j = 1; i < MAX_SUPPORTED_SAMPLERATES; ++i) {
if (ref[i] < rates[j-1] && ref[i] >= min) {
rates[j++] = ref[i];
}
}
}
break;
case 's':
server = optarg;
break;
case 'n':
name = optarg;
break;
case 'N':
namefile = optarg;
break;
#if ALSA
case 'p':
rt_priority = atoi(optarg);
if (rt_priority > 99 || rt_priority < 1) {
usage(argv[0]);
exit(0);
}
break;
#endif
case 'l':
list_devices();
exit(0);
break;
#if RESAMPLE
case 'u':
case 'R':
if (optind < argc && argv[optind] && argv[optind][0] != '-') {
resample = argv[optind++];
} else {
resample = "";
}
break;
#endif
#if DSD
case 'D':
dop = true;
if (optind < argc && argv[optind] && argv[optind][0] != '-') {
dop_delay = atoi(argv[optind++]);
}
break;
#endif
#if VISEXPORT
case 'v':
visexport = true;
break;
#endif
#if LINUX
case 'z':
#ifdef INTERACTIVE
if ( interactive.using_curses || interactive.use_lcdd_menu )
{
fprintf(stderr, "Daemonize not supported with display modes.\n");
exit(-1);
}
else
#endif
daemonize = true;
break;
#endif
case 't':
license();
exit(0);
#ifdef INTERACTIVE
case 'F':
free(interactive.lircrc);
interactive.lircrc = optarg;
break;
#ifndef __WIN32__
case 'i':
interactive.using_lirc = true;
break;
case 'L':
interactive.use_lcdd_menu = true;
break;
case 'O':
interactive.use_lcdd_menu = true;
interactive.lcdd_compat = true;
break;
case 'E':
if (optind < argc){
strncpy(lcddserver_address, argv[optind++], sizeof(lcddserver_address));
interactive_set_lcdd_ipaddress( lcddserver_address, sizeof(lcddserver_address));
}
break;
#endif
case 'T':
interactive.using_curses = 1;
break;
case 'w':
interactive.linelen = atoi(argv[optind++]);
break;
#endif
default:
break;
}
}
// warn if command line includes something which isn't parsed
if (optind < argc) {
usage(argv[0]);
exit(0);
}
signal(SIGINT, sighandler);
signal(SIGTERM, sighandler);
#if defined(SIGQUIT)
signal(SIGQUIT, sighandler);
#endif
#if defined(SIGHUP)
signal(SIGHUP, sighandler);
#endif
// set the output buffer size if not specified on the command line, take account of resampling
if (!output_buf_size) {
output_buf_size = OUTPUTBUF_SIZE;
if (resample) {
unsigned scale = 8;
if (rates[0]) {
scale = rates[0] / 44100;
if (scale > 8) scale = 8;
if (scale < 1) scale = 1;
}
output_buf_size *= scale;
}
}
if (logfile) {
if (!freopen(logfile, "a", stdout) || !freopen(logfile, "a", stderr)) {
fprintf(stderr, "error opening logfile %s: %s\n", logfile, strerror(errno));
}
}
#if LINUX
if (daemonize) {
if (daemon(0, logfile ? 1 : 0)) {
fprintf(stderr, "error daemonizing: %s\n", strerror(errno));
}
}
#endif
#if WIN
winsock_init();
#endif
stream_init(log_stream, stream_buf_size);
if (!strcmp(output_device, "-")) {
output_init_stdout(log_output, output_buf_size, output_params, rates);
} else {
#if ALSA
output_init_alsa(log_output, output_device, output_buf_size, output_params, rates, rt_priority);
#endif
#if PORTAUDIO
output_init_pa(log_output, output_device, output_buf_size, output_params, rates);
#endif
}
#if DSD
dop_init(dop, dop_delay);
#endif
#if VISEXPORT
if (visexport) {
output_vis_init(log_output, mac);
}
#endif
decode_init(log_decode, codecs);
#if RESAMPLE
if (resample) {
process_init(resample);
}
#endif
if (name && namefile) {
printf("-n and -N option should not be used at same time\n");
exit(0);
}
#ifdef INTERACTIVE
init_lcd();
init_lirc();
setlocale(LC_ALL, "");
initcurses();
#endif
slimproto(log_slimproto, server, mac, name, namefile);
decode_close();
stream_close();
if (!strcmp(output_device, "-")) {
output_close_stdout();
} else {
#if ALSA
output_close_alsa();
#endif
#if PORTAUDIO
output_close_pa();
#endif
}
#ifdef INTERACTIVE
interactive_close();
#endif
#if WIN
winsock_close();
#endif
exit(0);
}