linx-simulator2/node_modules/speaker/deps/mpg123/src/mpg123.c
2019-09-18 11:11:16 +03:00

1406 lines
46 KiB
C

/*
mpg123: main code of the program (not of the decoder...)
copyright 1995-2010 by the mpg123 project - free software under the terms of the LGPL 2.1
see COPYING and AUTHORS files in distribution or http://mpg123.org
initially written by Michael Hipp
*/
#define ME "main"
#include "mpg123app.h"
#include "mpg123.h"
#include "local.h"
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <time.h>
#ifdef HAVE_SCHED_H
#include <sched.h>
#endif
/* be paranoid about setpriority support */
#ifndef PRIO_PROCESS
#undef HAVE_SETPRIORITY
#endif
#include "common.h"
#include "getlopt.h"
#include "buffer.h"
#include "term.h"
#include "playlist.h"
#include "httpget.h"
#include "metaprint.h"
#include "httpget.h"
#include "streamdump.h"
#include "debug.h"
static void usage(int err);
static void want_usage(char* arg);
static void long_usage(int err);
static void want_long_usage(char* arg);
static void print_title(FILE* o);
static void give_version(char* arg);
struct parameter param = {
FALSE , /* aggressiv */
FALSE , /* shuffle */
FALSE , /* remote */
FALSE , /* remote to stderr */
DECODE_AUDIO , /* write samples to audio device */
FALSE , /* silent operation */
FALSE , /* xterm title on/off */
0 , /* second level buffer size */
0 , /* verbose level */
DEFAULT_OUTPUT_MODULE, /* output module */
NULL, /* output device */
0, /* destination (headphones, ...) */
#ifdef HAVE_TERMIOS
FALSE , /* term control */
MPG123_TERM_USR1,
MPG123_TERM_USR2,
#endif
FALSE , /* checkrange */
0 , /* force_reopen, always (re)opens audio device for next song */
/* test_cpu flag is valid for multi and 3dnow.. even if 3dnow is built alone; ensure it appears only once */
FALSE , /* normal operation */
FALSE, /* try to run process in 'realtime mode' */
#ifdef HAVE_WINDOWS_H
0, /* win32 process priority */
#endif
NULL, /* wav,cdr,au Filename */
0, /* default is to play all titles in playlist */
NULL, /* no playlist per default */
0 /* condensed id3 per default */
,0 /* list_cpu */
,NULL /* cpu */
#ifdef FIFO
,NULL
#endif
,0 /* timeout */
,1 /* loop */
,0 /* delay */
,0 /* index */
/* Parameters for mpg123 handle, defaults are queried from library! */
,0 /* down_sample */
,0 /* rva */
,0 /* halfspeed */
,0 /* doublespeed */
,0 /* start_frame */
,-1 /* frame_number */
,0 /* outscale */
,0 /* flags */
,0 /* force_rate */
,1 /* ICY */
,1024 /* resync_limit */
,0 /* smooth */
,0.0 /* pitch */
,0 /* appflags */
,NULL /* proxyurl */
,0 /* keep_open */
,0 /* force_utf8 */
,INDEX_SIZE
,NULL /* force_encoding */
,1. /* preload */
,-1 /* preframes */
,-1 /* gain */
,NULL /* stream dump file */
,0 /* ICY interval */
};
mpg123_handle *mh = NULL;
off_t framenum;
off_t frames_left;
audio_output_t *ao = NULL;
txfermem *buffermem = NULL;
char *prgName = NULL;
/* ThOr: pointers are not TRUE or FALSE */
char *equalfile = NULL;
struct httpdata htd;
int fresh = TRUE;
int have_output = FALSE; /* If we are past the output init step. */
int buffer_fd[2];
int buffer_pid;
size_t bufferblock = 0;
static int intflag = FALSE;
static int skip_tracks = 0;
int OutputDescriptor;
static int filept = -1;
static int network_sockets_used = 0; /* Win32 socket open/close Support */
char *binpath; /* Path to myself. */
/* File-global storage of command line arguments.
They may be needed for cleanup after charset conversion. */
static char **argv = NULL;
static int argc = 0;
/* Cleanup marker to know that we intiialized libmpg123 already. */
static int cleanup_mpg123 = FALSE;
void set_intflag()
{
debug("set_intflag TRUE");
intflag = TRUE;
skip_tracks = 0;
}
#if !defined(WIN32) && !defined(GENERIC)
static void catch_interrupt(void)
{
intflag = TRUE;
}
#endif
/* oh, what a mess... */
void next_track(void)
{
intflag = TRUE;
++skip_tracks;
}
void prev_track(void)
{
if(pl.pos > 2) pl.pos -= 2;
else pl.pos = 0;
next_track();
}
void safe_exit(int code)
{
char *dummy, *dammy;
dump_close();
#ifdef HAVE_TERMIOS
if(param.term_ctrl)
term_restore();
#endif
if(have_output) exit_output(ao, intflag);
if(mh != NULL) mpg123_delete(mh);
if(cleanup_mpg123) mpg123_exit();
httpdata_free(&htd);
#ifdef WANT_WIN32_UNICODE
win32_cmdline_free(argc, argv); /* This handles the premature argv == NULL, too. */
#endif
#if defined (WANT_WIN32_SOCKETS)
win32_net_deinit();
#endif
/* It's ugly... but let's just fix this still-reachable memory chunk of static char*. */
split_dir_file("", &dummy, &dammy);
exit(code);
}
/* returns 1 if reset_audio needed instead */
static void set_output_module( char *arg )
{
unsigned int i;
/* Search for a colon and set the device if found */
for(i=0; i< strlen( arg ); i++) {
if (arg[i] == ':') {
arg[i] = 0;
param.output_device = &arg[i+1];
debug1("Setting output device: %s", param.output_device);
break;
}
}
/* Set the output module */
param.output_module = arg;
debug1("Setting output module: %s", param.output_module );
}
static void set_output_flag(int flag)
{
if(param.output_flags <= 0) param.output_flags = flag;
else param.output_flags |= flag;
}
static void set_output_h(char *a)
{
set_output_flag(AUDIO_OUT_HEADPHONES);
}
static void set_output_s(char *a)
{
set_output_flag(AUDIO_OUT_INTERNAL_SPEAKER);
}
static void set_output_l(char *a)
{
set_output_flag(AUDIO_OUT_LINE_OUT);
}
static void set_output(char *arg)
{
/* If single letter, it's the legacy output switch for AIX/HP/Sun.
If longer, it's module[:device] . If zero length, it's rubbish. */
if(strlen(arg) <= 1) switch(arg[0])
{
case 'h': set_output_h(arg); break;
case 's': set_output_s(arg); break;
case 'l': set_output_l(arg); break;
default:
error1("\"%s\" is no valid output", arg);
safe_exit(1);
}
else set_output_module(arg);
}
static void set_verbose (char *arg)
{
param.verbose++;
}
static void set_quiet (char *arg)
{
param.verbose=0;
param.quiet=TRUE;
}
static void set_out_wav(char *arg)
{
param.outmode = DECODE_WAV;
param.filename = arg;
}
void set_out_cdr(char *arg)
{
param.outmode = DECODE_CDR;
param.filename = arg;
}
void set_out_au(char *arg)
{
param.outmode = DECODE_AU;
param.filename = arg;
}
static void set_out_file(char *arg)
{
param.outmode=DECODE_FILE;
#ifdef WIN32
#ifdef WANT_WIN32_UNICODE
wchar_t *argw = NULL;
OutputDescriptor = win32_utf8_wide(arg, &argw, NULL);
if(argw != NULL)
{
OutputDescriptor=_wopen(argw,_O_CREAT|_O_WRONLY|_O_BINARY|_O_TRUNC,0666);
free(argw);
}
#else
OutputDescriptor=_open(arg,_O_CREAT|_O_WRONLY|_O_BINARY|_O_TRUNC,0666);
#endif /*WANT_WIN32_UNICODE*/
#else /*WIN32*/
OutputDescriptor=open(arg,O_CREAT|O_WRONLY|O_TRUNC,0666);
#endif /*WIN32*/
if(OutputDescriptor==-1)
{
error2("Can't open %s for writing (%s).\n",arg,strerror(errno));
safe_exit(1);
}
}
static void set_out_stdout(char *arg)
{
param.outmode=DECODE_FILE;
param.remote_err=TRUE;
OutputDescriptor=STDOUT_FILENO;
#ifdef WIN32
_setmode(STDOUT_FILENO, _O_BINARY);
#endif
}
static void set_out_stdout1(char *arg)
{
param.outmode=DECODE_AUDIOFILE;
param.remote_err=TRUE;
OutputDescriptor=STDOUT_FILENO;
#ifdef WIN32
_setmode(STDOUT_FILENO, _O_BINARY);
#endif
}
#if !defined (HAVE_SCHED_SETSCHEDULER) && !defined (HAVE_WINDOWS_H)
static void realtime_not_compiled(char *arg)
{
fprintf(stderr,"Option '-T / --realtime' not compiled into this binary.\n");
}
#endif
static int frameflag; /* ugly, but that's the way without hacking getlopt */
static void set_frameflag(char *arg)
{
/* Only one mono flag at a time! */
if(frameflag & MPG123_FORCE_MONO) param.flags &= ~MPG123_FORCE_MONO;
param.flags |= frameflag;
}
static void unset_frameflag(char *arg)
{
param.flags &= ~frameflag;
}
static int appflag; /* still ugly, but works */
static void set_appflag(char *arg)
{
param.appflags |= appflag;
}
/* static void unset_appflag(char *arg)
{
param.appflags &= ~appflag;
} */
/* Please note: GLO_NUM expects point to LONG! */
/* ThOr:
* Yeah, and despite that numerous addresses to int variables were
passed.
* That's not good on my Alpha machine with int=32bit and long=64bit!
* Introduced GLO_INT and GLO_LONG as different bits to make that clear.
* GLO_NUM no longer exists.
*/
#ifdef OPT_3DNOW
static int dnow = 0; /* helper for mapping the old 3dnow options */
#endif
topt opts[] = {
{'k', "skip", GLO_ARG | GLO_LONG, 0, &param.start_frame, 0},
{'2', "2to1", GLO_INT, 0, &param.down_sample, 1},
{'4', "4to1", GLO_INT, 0, &param.down_sample, 2},
{'t', "test", GLO_INT, 0, &param.outmode, DECODE_TEST},
{'s', "stdout", GLO_INT, set_out_stdout, &param.outmode, DECODE_FILE},
{'S', "STDOUT", GLO_INT, set_out_stdout1, &param.outmode,DECODE_AUDIOFILE},
{'O', "outfile", GLO_ARG | GLO_CHAR, set_out_file, NULL, 0},
{'c', "check", GLO_INT, 0, &param.checkrange, TRUE},
{'v', "verbose", 0, set_verbose, 0, 0},
{'q', "quiet", 0, set_quiet, 0, 0},
{'y', "no-resync", GLO_INT, set_frameflag, &frameflag, MPG123_NO_RESYNC},
/* compatibility, no-resync is to be used nowadays */
{0, "resync", GLO_INT, set_frameflag, &frameflag, MPG123_NO_RESYNC},
{'0', "single0", GLO_INT, set_frameflag, &frameflag, MPG123_MONO_LEFT},
{0, "left", GLO_INT, set_frameflag, &frameflag, MPG123_MONO_LEFT},
{'1', "single1", GLO_INT, set_frameflag, &frameflag, MPG123_MONO_RIGHT},
{0, "right", GLO_INT, set_frameflag, &frameflag, MPG123_MONO_RIGHT},
{'m', "singlemix", GLO_INT, set_frameflag, &frameflag, MPG123_MONO_MIX},
{0, "mix", GLO_INT, set_frameflag, &frameflag, MPG123_MONO_MIX},
{0, "mono", GLO_INT, set_frameflag, &frameflag, MPG123_MONO_MIX},
{0, "stereo", GLO_INT, set_frameflag, &frameflag, MPG123_FORCE_STEREO},
{0, "reopen", GLO_INT, 0, &param.force_reopen, 1},
{'g', "gain", GLO_ARG | GLO_LONG, 0, &param.gain, 0},
{'r', "rate", GLO_ARG | GLO_LONG, 0, &param.force_rate, 0},
{0, "8bit", GLO_INT, set_frameflag, &frameflag, MPG123_FORCE_8BIT},
{0, "float", GLO_INT, set_frameflag, &frameflag, MPG123_FORCE_FLOAT},
{0, "headphones", 0, set_output_h, 0,0},
{0, "speaker", 0, set_output_s, 0,0},
{0, "lineout", 0, set_output_l, 0,0},
{'o', "output", GLO_ARG | GLO_CHAR, set_output, 0, 0},
{0, "list-modules",0, list_modules, NULL, 0},
{'a', "audiodevice", GLO_ARG | GLO_CHAR, 0, &param.output_device, 0},
{'f', "scale", GLO_ARG | GLO_LONG, 0, &param.outscale, 0},
{'n', "frames", GLO_ARG | GLO_LONG, 0, &param.frame_number, 0},
#ifdef HAVE_TERMIOS
{'C', "control", GLO_INT, 0, &param.term_ctrl, TRUE},
{0, "ctrlusr1", GLO_ARG | GLO_CHAR, 0, &param.term_usr1, 0},
{0, "ctrlusr2", GLO_ARG | GLO_CHAR, 0, &param.term_usr2, 0},
#endif
#ifndef NOXFERMEM
{'b', "buffer", GLO_ARG | GLO_LONG, 0, &param.usebuffer, 0},
{0, "smooth", GLO_INT, 0, &param.smooth, 1},
#endif
{'R', "remote", GLO_INT, 0, &param.remote, TRUE},
{0, "remote-err", GLO_INT, 0, &param.remote_err, TRUE},
{'d', "doublespeed", GLO_ARG | GLO_LONG, 0, &param.doublespeed, 0},
{'h', "halfspeed", GLO_ARG | GLO_LONG, 0, &param.halfspeed, 0},
{'p', "proxy", GLO_ARG | GLO_CHAR, 0, &param.proxyurl, 0},
{'@', "list", GLO_ARG | GLO_CHAR, 0, &param.listname, 0},
/* 'z' comes from the the german word 'zufall' (eng: random) */
{'z', "shuffle", GLO_INT, 0, &param.shuffle, 1},
{'Z', "random", GLO_INT, 0, &param.shuffle, 2},
{'E', "equalizer", GLO_ARG | GLO_CHAR, 0, &equalfile,1},
#ifdef HAVE_SETPRIORITY
{0, "aggressive", GLO_INT, 0, &param.aggressive, 2},
#endif
#ifdef OPT_3DNOW
#define SET_3DNOW 1
#define SET_I586 2
{0, "force-3dnow", GLO_CHAR, 0, &dnow, SET_3DNOW},
{0, "no-3dnow", GLO_CHAR, 0, &dnow, SET_I586},
{0, "test-3dnow", GLO_INT, 0, &param.test_cpu, TRUE},
#endif
{0, "cpu", GLO_ARG | GLO_CHAR, 0, &param.cpu, 0},
{0, "test-cpu", GLO_INT, 0, &param.test_cpu, TRUE},
{0, "list-cpu", GLO_INT, 0, &param.list_cpu , 1},
#ifdef NETWORK
{'u', "auth", GLO_ARG | GLO_CHAR, 0, &httpauth, 0},
#endif
#if defined (HAVE_SCHED_SETSCHEDULER) || defined (HAVE_WINDOWS_H)
/* check why this should be a long variable instead of int! */
{'T', "realtime", GLO_LONG, 0, &param.realtime, TRUE },
#else
{'T', "realtime", 0, realtime_not_compiled, 0, 0 },
#endif
#ifdef HAVE_WINDOWS_H
{0, "priority", GLO_ARG | GLO_INT, 0, &param.w32_priority, 0},
#endif
{0, "title", GLO_INT, 0, &param.xterm_title, TRUE },
{'w', "wav", GLO_ARG | GLO_CHAR, set_out_wav, 0, 0 },
{0, "cdr", GLO_ARG | GLO_CHAR, set_out_cdr, 0, 0 },
{0, "au", GLO_ARG | GLO_CHAR, set_out_au, 0, 0 },
{0, "gapless", GLO_INT, set_frameflag, &frameflag, MPG123_GAPLESS},
{0, "no-gapless", GLO_INT, unset_frameflag, &frameflag, MPG123_GAPLESS},
{'?', "help", 0, want_usage, 0, 0 },
{0 , "longhelp" , 0, want_long_usage, 0, 0 },
{0 , "version" , 0, give_version, 0, 0 },
{'l', "listentry", GLO_ARG | GLO_LONG, 0, &param.listentry, 0 },
{0, "rva-mix", GLO_INT, 0, &param.rva, 1 },
{0, "rva-radio", GLO_INT, 0, &param.rva, 1 },
{0, "rva-album", GLO_INT, 0, &param.rva, 2 },
{0, "rva-audiophile", GLO_INT, 0, &param.rva, 2 },
{0, "no-icy-meta", GLO_INT, 0, &param.talk_icy, 0 },
{0, "long-tag", GLO_INT, 0, &param.long_id3, 1 },
#ifdef FIFO
{0, "fifo", GLO_ARG | GLO_CHAR, 0, &param.fifo, 0},
#endif
{0, "timeout", GLO_ARG | GLO_LONG, 0, &param.timeout, 0},
{0, "loop", GLO_ARG | GLO_LONG, 0, &param.loop, 0},
{'i', "index", GLO_INT, 0, &param.index, 1},
{'D', "delay", GLO_ARG | GLO_INT, 0, &param.delay, 0},
{0, "resync-limit", GLO_ARG | GLO_LONG, 0, &param.resync_limit, 0},
{0, "pitch", GLO_ARG|GLO_DOUBLE, 0, &param.pitch, 0},
{0, "ignore-mime", GLO_INT, set_appflag, &appflag, MPG123APP_IGNORE_MIME },
{0, "lyrics", GLO_INT, set_appflag, &appflag, MPG123APP_LYRICS},
{0, "keep-open", GLO_INT, 0, &param.keep_open, 1},
{0, "utf8", GLO_INT, 0, &param.force_utf8, 1},
{0, "fuzzy", GLO_INT, set_frameflag, &frameflag, MPG123_FUZZY},
{0, "index-size", GLO_ARG|GLO_LONG, 0, &param.index_size, 0},
{0, "no-seekbuffer", GLO_INT, unset_frameflag, &frameflag, MPG123_SEEKBUFFER},
{'e', "encoding", GLO_ARG|GLO_CHAR, 0, &param.force_encoding, 0},
{0, "preload", GLO_ARG|GLO_DOUBLE, 0, &param.preload, 0},
{0, "preframes", GLO_ARG|GLO_LONG, 0, &param.preframes, 0},
{0, "skip-id3v2", GLO_INT, set_frameflag, &frameflag, MPG123_SKIP_ID3V2},
{0, "streamdump", GLO_ARG|GLO_CHAR, 0, &param.streamdump, 0},
{0, "icy-interval", GLO_ARG|GLO_LONG, 0, &param.icy_interval, 0},
{0, "ignore-streamlength", GLO_INT, set_frameflag, &frameflag, MPG123_IGNORE_STREAMLENGTH},
{0, 0, 0, 0, 0, 0}
};
/*
* Change the playback sample rate.
* Consider that changing it after starting playback is not covered by gapless code!
*/
static void reset_audio(long rate, int channels, int format)
{
#ifndef NOXFERMEM
if (param.usebuffer) {
/* wait until the buffer is empty,
* then tell the buffer process to
* change the sample rate. [OF]
*/
while (xfermem_get_usedspace(buffermem) > 0)
if (xfermem_block(XF_WRITER, buffermem) == XF_CMD_TERMINATE) {
intflag = TRUE;
break;
}
buffermem->freeindex = -1;
buffermem->readindex = 0; /* I know what I'm doing! ;-) */
buffermem->freeindex = 0;
if (intflag)
return;
buffermem->rate = pitch_rate(rate);
buffermem->channels = channels;
buffermem->format = format;
buffer_reset();
}
else
{
#endif
if(ao == NULL)
{
error("Audio handle should not be NULL here!");
safe_exit(98);
}
ao->rate = pitch_rate(rate);
ao->channels = channels;
ao->format = format;
if(reset_output(ao) < 0)
{
error1("failed to reset audio device: %s", strerror(errno));
safe_exit(1);
}
#ifndef NOXFERMEM
}
#endif
}
static int open_track_fd (void)
{
/* Let reader handle invalid filept */
if(mpg123_open_fd(mh, filept) != MPG123_OK)
{
error2("Cannot open fd %i: %s", filept, mpg123_strerror(mh));
return 0;
}
debug("Track successfully opened.");
fresh = TRUE;
return 1;
/*1 for success, 0 for failure */
}
/* 1 on success, 0 on failure */
int open_track(char *fname)
{
filept=-1;
httpdata_reset(&htd);
if(MPG123_OK != mpg123_param(mh, MPG123_ICY_INTERVAL, 0, 0))
error1("Cannot (re)set ICY interval: %s", mpg123_strerror(mh));
if(!strcmp(fname, "-"))
{
filept = STDIN_FILENO;
#ifdef WIN32
_setmode(STDIN_FILENO, _O_BINARY);
#endif
return open_track_fd();
}
else if (!strncmp(fname, "http://", 7)) /* http stream */
{
#if defined (WANT_WIN32_SOCKETS)
if(param.streamdump != NULL)
{
fprintf(stderr, "\nWarning: win32 networking conflicts with stream dumping. Aborting the dump.\n");
dump_close();
}
/*Use recv instead of stdio functions */
win32_net_replace(mh);
filept = win32_net_http_open(fname, &htd);
#else
filept = http_open(fname, &htd);
#endif
network_sockets_used = 1;
/* utf-8 encoded URLs might not work under Win32 */
/* now check if we got sth. and if we got sth. good */
if( (filept >= 0) && (htd.content_type.p != NULL)
&& !APPFLAG(MPG123APP_IGNORE_MIME) && !(debunk_mime(htd.content_type.p) & IS_FILE) )
{
error1("Unknown mpeg MIME type %s - is it perhaps a playlist (use -@)?", htd.content_type.p == NULL ? "<nil>" : htd.content_type.p);
error("If you know the stream is mpeg1/2 audio, then please report this as "PACKAGE_NAME" bug");
return 0;
}
if(filept < 0)
{
error1("Access to http resource %s failed.", fname);
return 0;
}
if(MPG123_OK != mpg123_param(mh, MPG123_ICY_INTERVAL, htd.icy_interval, 0))
error1("Cannot set ICY interval: %s", mpg123_strerror(mh));
if(param.verbose > 1) fprintf(stderr, "Info: ICY interval %li\n", (long)htd.icy_interval);
}
if(param.icy_interval > 0)
{
if(MPG123_OK != mpg123_param(mh, MPG123_ICY_INTERVAL, param.icy_interval, 0))
error1("Cannot set ICY interval: %s", mpg123_strerror(mh));
if(param.verbose > 1) fprintf(stderr, "Info: Forced ICY interval %li\n", param.icy_interval);
}
debug("OK... going to finally open.");
/* Now hook up the decoder on the opened stream or the file. */
if(network_sockets_used)
{
return open_track_fd();
}
else if(mpg123_open(mh, fname) != MPG123_OK)
{
error2("Cannot open %s: %s", fname, mpg123_strerror(mh));
return 0;
}
debug("Track successfully opened.");
fresh = TRUE;
return 1;
}
/* for symmetry */
void close_track(void)
{
mpg123_close(mh);
#if defined (WANT_WIN32_SOCKETS)
if (network_sockets_used)
win32_net_close(filept);
filept = -1;
return;
#endif
network_sockets_used = 0;
if(filept > -1) close(filept);
filept = -1;
}
/* return 1 on success, 0 on failure */
int play_frame(void)
{
unsigned char *audio;
int mc;
size_t bytes;
debug("play_frame");
/* The first call will not decode anything but return MPG123_NEW_FORMAT! */
mc = mpg123_decode_frame(mh, &framenum, &audio, &bytes);
/* Play what is there to play (starting with second decode_frame call!) */
if(bytes)
{
if(param.frame_number > -1) --frames_left;
if(fresh && framenum >= param.start_frame)
{
fresh = FALSE;
}
/* Normal flushing of data, includes buffer decoding. */
if(flush_output(ao, audio, bytes) < (int)bytes && !intflag)
{
error("Deep trouble! Cannot flush to my output anymore!");
safe_exit(133);
}
if(param.checkrange)
{
long clip = mpg123_clip(mh);
if(clip > 0) fprintf(stderr,"%ld samples clipped\n", clip);
}
}
/* Special actions and errors. */
if(mc != MPG123_OK)
{
if(mc == MPG123_ERR || mc == MPG123_DONE)
{
if(mc == MPG123_ERR) error1("...in decoding next frame: %s", mpg123_strerror(mh));
return 0;
}
if(mc == MPG123_NO_SPACE)
{
error("I have not enough output space? I didn't plan for this.");
return 0;
}
if(mc == MPG123_NEW_FORMAT)
{
long rate;
int channels, format;
mpg123_getformat(mh, &rate, &channels, &format);
if(param.verbose > 2) fprintf(stderr, "\nNote: New output format %liHz %ich, format %i\n", rate, channels, format);
if(!param.quiet)
{
fprintf(stderr, "\n");
if(param.verbose) print_header(mh);
else print_header_compact(mh);
}
reset_audio(rate, channels, format);
}
}
return 1;
}
void buffer_drain(void)
{
#ifndef NOXFERMEM
int s;
while ((s = xfermem_get_usedspace(buffermem)))
{
struct timeval wait170 = {0, 170000};
if(intflag) break;
buffer_ignore_lowmem();
if(param.verbose) print_stat(mh,0,s);
#ifdef HAVE_TERMIOS
if(param.term_ctrl) term_control(mh, ao);
#endif
select(0, NULL, NULL, NULL, &wait170);
}
#endif
}
/* Return TRUE if we should continue (second interrupt happens quickly), skipping tracks, or FALSE if we should die. */
#if !defined(WIN32) && !defined(GENERIC)
int skip_or_die(struct timeval *start_time)
{
/*
* When HAVE_TERMIOS is defined, there is 'q' to terminate a list of songs, so
* no pressing need to keep up this first second SIGINT hack that was too
* often mistaken as a bug. [dk]
* ThOr: Yep, I deactivated the Ctrl+C hack for active control modes.
* Though, some sort of hack remains, still using intflag for track skip.
*/
#ifdef HAVE_TERMIOS
if(!param.term_ctrl)
#endif
{
struct timeval now;
unsigned long secdiff;
gettimeofday (&now, NULL);
secdiff = (now.tv_sec - start_time->tv_sec) * 1000;
if(now.tv_usec >= start_time->tv_usec)
secdiff += (now.tv_usec - start_time->tv_usec) / 1000;
else
secdiff -= (start_time->tv_usec - now.tv_usec) / 1000;
if (secdiff < 1000)
{
debug("got the second interrupt: out of here!");
return FALSE;
}
else
{
debug("It's a track advancement message.");
++skip_tracks;
}
}
#ifdef HAVE_TERMIOS
else if(skip_tracks == 0)
{
debug("breaking up");
return FALSE;
}
#endif
return TRUE; /* Track advancement... no instant kill on generic/windows... */
}
#else
/* On generic systems and win32, there is no decision here... just TRUE. */
#define skip_or_die(a) TRUE
#endif
int main(int sys_argc, char ** sys_argv)
{
int result;
long parr;
char *fname;
int libpar = 0;
mpg123_pars *mp;
#if !defined(WIN32) && !defined(GENERIC)
struct timeval start_time;
#endif
#if defined (WANT_WIN32_UNICODE)
if(win32_cmdline_utf8(&argc, &argv) != 0)
{
error("Cannot convert command line to UTF8!");
safe_exit(76);
}
#else
argv = sys_argv;
argc = sys_argc;
#endif
#if defined (WANT_WIN32_SOCKETS)
win32_net_init();
#endif
/* Extract binary and path, take stuff before/after last / or \ . */
if((prgName = strrchr(argv[0], '/')) || (prgName = strrchr(argv[0], '\\')))
{
/* There is some explicit path. */
prgName[0] = 0; /* End byte for path. */
prgName++;
binpath = argv[0];
}
else
{
prgName = argv[0]; /* No path separators there. */
binpath = NULL; /* No path at all. */
}
/* Need to initialize mpg123 lib here for default parameter values. */
result = mpg123_init();
if(result != MPG123_OK)
{
error1("Cannot initialize mpg123 library: %s", mpg123_plain_strerror(result));
safe_exit(77);
}
cleanup_mpg123 = TRUE;
mp = mpg123_new_pars(&result); /* This may get leaked on premature exit(), which is mainly a cosmetic issue... */
if(mp == NULL)
{
error1("Crap! Cannot get mpg123 parameters: %s", mpg123_plain_strerror(result));
safe_exit(78);
}
/* get default values */
mpg123_getpar(mp, MPG123_DOWN_SAMPLE, &parr, NULL);
param.down_sample = (int) parr;
mpg123_getpar(mp, MPG123_RVA, &param.rva, NULL);
mpg123_getpar(mp, MPG123_DOWNSPEED, &param.halfspeed, NULL);
mpg123_getpar(mp, MPG123_UPSPEED, &param.doublespeed, NULL);
mpg123_getpar(mp, MPG123_OUTSCALE, &param.outscale, NULL);
mpg123_getpar(mp, MPG123_FLAGS, &parr, NULL);
mpg123_getpar(mp, MPG123_INDEX_SIZE, &param.index_size, NULL);
param.flags = (int) parr;
param.flags |= MPG123_SEEKBUFFER; /* Default on, for HTTP streams. */
mpg123_getpar(mp, MPG123_RESYNC_LIMIT, &param.resync_limit, NULL);
mpg123_getpar(mp, MPG123_PREFRAMES, &param.preframes, NULL);
#ifdef OS2
_wildcard(&argc,&argv);
#endif
while ((result = getlopt(argc, argv, opts)))
switch (result) {
case GLO_UNKNOWN:
fprintf (stderr, "%s: Unknown option \"%s\".\n",
prgName, loptarg);
usage(1);
case GLO_NOARG:
fprintf (stderr, "%s: Missing argument for option \"%s\".\n",
prgName, loptarg);
usage(1);
}
/* Do this _after_ parameter parsing. */
check_locale(); /* Check/set locale; store if it uses UTF-8. */
if(param.list_cpu)
{
const char **all_dec = mpg123_decoders();
printf("Builtin decoders:");
while(*all_dec != NULL){ printf(" %s", *all_dec); ++all_dec; }
printf("\n");
mpg123_delete_pars(mp);
return 0;
}
if(param.test_cpu)
{
const char **all_dec = mpg123_supported_decoders();
printf("Supported decoders:");
while(*all_dec != NULL){ printf(" %s", *all_dec); ++all_dec; }
printf("\n");
mpg123_delete_pars(mp);
return 0;
}
if(param.gain != -1)
{
warning("The parameter -g is deprecated and may be removed in the future.");
}
if (loptind >= argc && !param.listname && !param.remote) usage(1);
/* Init audio as early as possible.
If there is the buffer process to be spawned, it shouldn't carry the mpg123_handle with it. */
bufferblock = mpg123_safe_buffer(); /* Can call that before mpg123_init(), it's stateless. */
if(init_output(&ao) < 0)
{
error("Failed to initialize output, goodbye.");
mpg123_delete_pars(mp);
return 99; /* It's safe here... nothing nasty happened yet. */
}
have_output = TRUE;
/* ========================================================================================================= */
/* Enterning the leaking zone... we start messing with stuff here that should be taken care of when leaving. */
/* Don't just exit() or return out... */
/* ========================================================================================================= */
httpdata_init(&htd);
#if !defined(WIN32) && !defined(GENERIC)
if (param.remote)
{
param.verbose = 0;
param.quiet = 1;
param.flags |= MPG123_QUIET;
}
#endif
/* Set the frame parameters from command line options */
if(param.quiet) param.flags |= MPG123_QUIET;
#ifdef OPT_3DNOW
if(dnow != 0) param.cpu = (dnow == SET_3DNOW) ? "3dnow" : "i586";
#endif
if(param.cpu != NULL && (!strcmp(param.cpu, "auto") || !strcmp(param.cpu, ""))) param.cpu = NULL;
if(!( MPG123_OK == (result = mpg123_par(mp, MPG123_VERBOSE, param.verbose, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_FLAGS, param.flags, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_DOWN_SAMPLE, param.down_sample, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_RVA, param.rva, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_FORCE_RATE, param.force_rate, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_DOWNSPEED, param.halfspeed, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_UPSPEED, param.doublespeed, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_ICY_INTERVAL, 0, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_RESYNC_LIMIT, param.resync_limit, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_TIMEOUT, param.timeout, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_OUTSCALE, param.outscale, 0))
&& ++libpar
&& MPG123_OK == (result = mpg123_par(mp, MPG123_PREFRAMES, param.preframes, 0))
))
{
error2("Cannot set library parameter %i: %s", libpar, mpg123_plain_strerror(result));
safe_exit(45);
}
if (!(param.listentry < 0) && !param.quiet) print_title(stderr); /* do not pollute stdout! */
{
long default_index;
mpg123_getpar(mp, MPG123_INDEX_SIZE, &default_index, NULL);
if( param.index_size != default_index && (result = mpg123_par(mp, MPG123_INDEX_SIZE, param.index_size, 0.)) != MPG123_OK )
error1("Setting of frame index size failed: %s", mpg123_plain_strerror(result));
}
if(param.force_rate && param.down_sample)
{
error("Down sampling and fixed rate options not allowed together!");
safe_exit(1);
}
/* Now actually get an mpg123_handle. */
mh = mpg123_parnew(mp, param.cpu, &result);
if(mh == NULL)
{
error1("Crap! Cannot get a mpg123 handle: %s", mpg123_plain_strerror(result));
safe_exit(77);
}
mpg123_delete_pars(mp); /* Don't need the parameters anymore ,they're in the handle now. */
/* Prepare stream dumping, possibly replacing mpg123 reader. */
if(dump_open(mh) != 0) safe_exit(78);
/* Now either check caps myself or query buffer for that. */
audio_capabilities(ao, mh);
load_equalizer(mh);
#ifdef HAVE_SETPRIORITY
if(param.aggressive) { /* tst */
int mypid = getpid();
setpriority(PRIO_PROCESS,mypid,-20);
}
#endif
#if defined (HAVE_SCHED_SETSCHEDULER) && !defined (__CYGWIN__) && !defined (HAVE_WINDOWS_H)
/* Cygwin --realtime seems to fail when accessing network, using win32 set priority instead */
/* MinGW may have pthread installed, we prefer win32API */
if (param.realtime) { /* Get real-time priority */
struct sched_param sp;
fprintf(stderr,"Getting real-time priority\n");
memset(&sp, 0, sizeof(struct sched_param));
sp.sched_priority = sched_get_priority_min(SCHED_FIFO);
if (sched_setscheduler(0, SCHED_RR, &sp) == -1)
fprintf(stderr,"Can't get real-time priority\n");
}
#endif
#ifdef HAVE_WINDOWS_H
/* argument "3" is equivalent to realtime priority class */
win32_set_priority( param.realtime ? 3 : param.w32_priority);
#endif
if(!param.remote) prepare_playlist(argc, argv);
#if !defined(WIN32) && !defined(GENERIC)
/* Remote mode is special... but normal console and terminal-controlled operation needs to catch the SIGINT.
For one it serves for track skip when not in terminal control mode.
The more important use being a graceful exit, including telling the buffer process what's going on. */
if(!param.remote) catchsignal (SIGINT, catch_interrupt);
#endif
if(param.remote) {
int ret;
ret = control_generic(mh);
safe_exit(ret);
}
#ifdef HAVE_TERMIOS
debug1("param.term_ctrl: %i", param.term_ctrl);
if(param.term_ctrl)
term_init();
#endif
while ((fname = get_next_file()))
{
char *dirname, *filename;
/* skip_tracks includes the previous one. */
if(skip_tracks) --skip_tracks;
if(skip_tracks)
{
debug("Skipping this track.");
continue;
}
if(param.delay > 0)
{
/* One should enable terminal control during that sleeping phase! */
if(param.verbose > 2) fprintf(stderr, "Note: pausing %i seconds before next track.\n", param.delay);
output_pause(ao);
#ifdef WIN32
Sleep(param.delay*1000);
#else
sleep(param.delay);
#endif
output_unpause(ao);
}
frames_left = param.frame_number;
debug1("Going to play %s", strcmp(fname, "-") ? fname : "standard input");
if(intflag || !open_track(fname))
{
#ifdef HAVE_TERMIOS
/* We need the opportunity to cancel in case of --loop -1 . */
if(param.term_ctrl) term_control(mh, ao);
#endif
/* No wait for a second interrupt before we started playing. */
if(intflag) break;
continue;
}
if(!param.quiet) fprintf(stderr, "\n");
if(param.index)
{
if(param.verbose) fprintf(stderr, "indexing...\r");
mpg123_scan(mh);
}
/*
Only trigger a seek if we do not want to start with the first frame.
Rationale: Because of libmpg123 sample accuracy, this could cause an unnecessary backwards seek, that even may fail on non-seekable streams.
For start frame of 0, we are already at the correct position!
*/
framenum = 0;
if(param.start_frame > 0)
framenum = mpg123_seek_frame(mh, param.start_frame, SEEK_SET);
if(framenum < 0)
{
error1("Initial seek failed: %s", mpg123_strerror(mh));
if(mpg123_errcode(mh) == MPG123_BAD_OUTFORMAT)
{
fprintf(stderr, "%s", "So, you have trouble getting an output format... this is the matrix of currently possible formats:\n");
print_capabilities(ao, mh);
fprintf(stderr, "%s", "Somehow the input data and your choices don't allow one of these.\n");
}
mpg123_close(mh);
continue;
}
if (!param.quiet)
{
if (split_dir_file(fname ? fname : "standard input",
&dirname, &filename))
fprintf(stderr, "Directory: %s\n", dirname);
#ifdef HAVE_TERMIOS
/* Reminder about terminal usage. */
if(param.term_ctrl) term_hint();
#endif
fprintf(stderr, "Playing MPEG stream %lu of %lu: %s ...\n", (unsigned long)pl.pos, (unsigned long)pl.fill, filename);
if(htd.icy_name.fill) fprintf(stderr, "ICY-NAME: %s\n", htd.icy_name.p);
if(htd.icy_url.fill) fprintf(stderr, "ICY-URL: %s\n", htd.icy_url.p);
#if !defined(GENERIC)
{
const char *term_type;
term_type = getenv("TERM");
if (term_type && param.xterm_title &&
(!strncmp(term_type,"xterm",5) || !strncmp(term_type,"rxvt",4)))
{
fprintf(stderr, "\033]0;%s\007", filename);
}
}
#endif
}
/* Rethink that SIGINT logic... */
#if !defined(WIN32) && !defined(GENERIC)
#ifdef HAVE_TERMIOS
if(!param.term_ctrl)
#endif
gettimeofday (&start_time, NULL);
#endif
while(!intflag)
{
int meta;
if(param.frame_number > -1)
{
debug1("frames left: %li", (long) frames_left);
if(!frames_left) break;
}
if(!play_frame()) break;
if(!param.quiet)
{
meta = mpg123_meta_check(mh);
if(meta & (MPG123_NEW_ID3|MPG123_NEW_ICY))
{
if(meta & MPG123_NEW_ID3) print_id3_tag(mh, param.long_id3, stderr);
if(meta & MPG123_NEW_ICY) print_icy(mh, stderr);
mpg123_meta_free(mh); /* Do not waste memory after delivering. */
}
}
if(!fresh && param.verbose)
{
#ifndef NOXFERMEM
if (param.verbose > 1 || !(framenum & 0x7))
print_stat(mh,0,xfermem_get_usedspace(buffermem));
#else
if(param.verbose > 1 || !(framenum & 0x7)) print_stat(mh,0,0);
#endif
}
#ifdef HAVE_TERMIOS
if(!param.term_ctrl) continue;
else term_control(mh, ao);
#endif
}
if(!param.smooth && param.usebuffer) buffer_drain();
if(param.verbose) print_stat(mh,0,xfermem_get_usedspace(buffermem));
if(!param.quiet)
{
double secs;
long frank;
fprintf(stderr, "\n");
if(mpg123_getstate(mh, MPG123_FRANKENSTEIN, &frank, NULL) == MPG123_OK && frank)
fprintf(stderr, "This was a Frankenstein track.\n");
mpg123_position(mh, 0, 0, NULL, NULL, &secs, NULL);
fprintf(stderr,"[%d:%02d] Decoding of %s finished.\n", (int)(secs / 60), ((int)secs) % 60, filename);
}
else if(param.verbose) fprintf(stderr, "\n");
mpg123_close(mh);
if (intflag)
{
if(!skip_or_die(&start_time)) break;
intflag = FALSE;
#ifndef NOXFERMEM
if(!param.smooth && param.usebuffer) buffer_resync();
#endif
}
} /* end of loop over input files */
/* Ensure we played everything. */
if(param.smooth && param.usebuffer)
{
buffer_drain();
buffer_resync();
}
/* Free up memory used by playlist */
if(!param.remote) free_playlist();
safe_exit(0); /* That closes output and restores terminal, too. */
return 0;
}
static void print_title(FILE *o)
{
fprintf(o, "High Performance MPEG 1.0/2.0/2.5 Audio Player for Layers 1, 2 and 3\n");
fprintf(o, "\tversion %s; written and copyright by Michael Hipp and others\n", PACKAGE_VERSION);
fprintf(o, "\tfree software (LGPL/GPL) without any warranty but with best wishes\n");
}
static void usage(int err) /* print syntax & exit */
{
FILE* o = stdout;
if(err)
{
o = stderr;
fprintf(o, "You made some mistake in program usage... let me briefly remind you:\n\n");
}
print_title(o);
fprintf(o,"\nusage: %s [option(s)] [file(s) | URL(s) | -]\n", prgName);
fprintf(o,"supported options [defaults in brackets]:\n");
fprintf(o," -v increase verbosity level -q quiet (don't print title)\n");
fprintf(o," -t testmode (no output) -s write to stdout\n");
fprintf(o," -w <filename> write Output as WAV file\n");
fprintf(o," -k n skip first n frames [0] -n n decode only n frames [all]\n");
fprintf(o," -c check range violations -y DISABLE resync on errors\n");
fprintf(o," -b n output buffer: n Kbytes [0] -f n change scalefactor [%li]\n", param.outscale);
fprintf(o," -r n set/force samplerate [auto]\n");
fprintf(o," -os,-ol,-oh output to built-in speaker,line-out connector,headphones\n");
#ifdef NAS
fprintf(o," -a d set NAS server\n");
#elif defined(SGI)
fprintf(o," -a [1..4] set RAD device\n");
#else
fprintf(o," -a d set audio device\n");
#endif
fprintf(o," -2 downsample 1:2 (22 kHz) -4 downsample 1:4 (11 kHz)\n");
fprintf(o," -d n play every n'th frame only -h n play every frame n times\n");
fprintf(o," -0 decode channel 0 (left) only -1 decode channel 1 (right) only\n");
fprintf(o," -m mix both channels (mono) -p p use HTTP proxy p [$HTTP_PROXY]\n");
#ifdef HAVE_SCHED_SETSCHEDULER
fprintf(o," -@ f read filenames/URLs from f -T get realtime priority\n");
#else
fprintf(o," -@ f read filenames/URLs from f\n");
#endif
fprintf(o," -z shuffle play (with wildcards) -Z random play\n");
fprintf(o," -u a HTTP authentication string -E f Equalizer, data from file\n");
fprintf(o," -C enable control keys --no-gapless not skip junk/padding in mp3s\n");
fprintf(o," -? this help --version print name + version\n");
fprintf(o,"See the manpage %s(1) or call %s with --longhelp for more parameters and information.\n", prgName,prgName);
safe_exit(err);
}
static void want_usage(char* arg)
{
usage(0);
}
static void long_usage(int err)
{
char *enclist;
FILE* o = stdout;
if(err)
{
o = stderr;
fprintf(o, "You made some mistake in program usage... let me remind you:\n\n");
}
print_title(o);
fprintf(o,"\nusage: %s [option(s)] [file(s) | URL(s) | -]\n", prgName);
fprintf(o,"\ninput options\n\n");
fprintf(o," -k <n> --skip <n> skip n frames at beginning\n");
fprintf(o," --skip-id3v2 skip ID3v2 tags without parsing\n");
fprintf(o," -n --frames <n> play only <n> frames of every stream\n");
fprintf(o," --fuzzy Enable fuzzy seeks (guessing byte offsets or using approximate seek points from Xing TOC)\n");
fprintf(o," -y --no-resync DISABLES resync on error (--resync is deprecated)\n");
fprintf(o," -p <f> --proxy <f> set WWW proxy\n");
fprintf(o," -u --auth set auth values for HTTP access\n");
fprintf(o," --ignore-mime ignore HTTP MIME types (content-type)\n");
fprintf(o," -@ <f> --list <f> play songs in playlist <f> (plain list, m3u, pls (shoutcast))\n");
fprintf(o," -l <n> --listentry <n> play nth title in playlist; show whole playlist for n < 0\n");
fprintf(o," --loop <n> loop track(s) <n> times, < 0 means infinite loop (not with --random!)\n");
fprintf(o," --keep-open (--remote mode only) keep loaded file open after reaching end\n");
fprintf(o," --timeout <n> Timeout in seconds before declaring a stream dead (if <= 0, wait forever)\n");
fprintf(o," -z --shuffle shuffle song-list before playing\n");
fprintf(o," -Z --random full random play\n");
fprintf(o," --no-icy-meta Do not accept ICY meta data\n");
fprintf(o," -i --index index / scan through the track before playback\n");
fprintf(o," --index-size <n> change size of frame index\n");
fprintf(o," --preframes <n> number of frames to decode in advance after seeking (to keep layer 3 bit reservoir happy)\n");
fprintf(o," --resync-limit <n> Set number of bytes to search for valid MPEG data; <0 means search whole stream.\n");
fprintf(o," --streamdump <f> Dump a copy of input data (as read by libmpg123) to given file.\n");
fprintf(o," --icy-interval <n> Enforce ICY interval in bytes (for playing a stream dump.\n");
fprintf(o," --ignore-streamlength Ignore header info about length of MPEG streams.");
fprintf(o,"\noutput/processing options\n\n");
fprintf(o," -o <o> --output <o> select audio output module\n");
fprintf(o," --list-modules list the available modules\n");
fprintf(o," -a <d> --audiodevice <d> select audio device\n");
fprintf(o," -s --stdout write raw audio to stdout (host native format)\n");
fprintf(o," -S --STDOUT play AND output stream (not implemented yet)\n");
fprintf(o," -w <f> --wav <f> write samples as WAV file in <f> (- is stdout)\n");
fprintf(o," --au <f> write samples as Sun AU file in <f> (- is stdout)\n");
fprintf(o," --cdr <f> write samples as raw CD audio file in <f> (- is stdout)\n");
fprintf(o," --reopen force close/open on audiodevice\n");
#ifdef OPT_MULTI
fprintf(o," --cpu <string> set cpu optimization\n");
fprintf(o," --test-cpu list optimizations possible with cpu and exit\n");
fprintf(o," --list-cpu list builtin optimizations and exit\n");
#endif
#ifdef OPT_3DNOW
fprintf(o," --test-3dnow display result of 3DNow! autodetect and exit (obsoleted by --cpu)\n");
fprintf(o," --force-3dnow force use of 3DNow! optimized routine (obsoleted by --test-cpu)\n");
fprintf(o," --no-3dnow force use of floating-pointer routine (obsoleted by --cpu)\n");
#endif
fprintf(o," -g --gain [DEPRECATED] set audio hardware output gain\n");
fprintf(o," -f <n> --scale <n> scale output samples (soft gain - based on 32768), default=%li)\n", param.outscale);
fprintf(o," --rva-mix,\n");
fprintf(o," --rva-radio use RVA2/ReplayGain values for mix/radio mode\n");
fprintf(o," --rva-album,\n");
fprintf(o," --rva-audiophile use RVA2/ReplayGain values for album/audiophile mode\n");
fprintf(o," -0 --left --single0 play only left channel\n");
fprintf(o," -1 --right --single1 play only right channel\n");
fprintf(o," -m --mono --mix mix stereo to mono\n");
fprintf(o," --stereo duplicate mono channel\n");
fprintf(o," -r --rate force a specific audio output rate\n");
fprintf(o," -2 --2to1 2:1 downsampling\n");
fprintf(o," -4 --4to1 4:1 downsampling\n");
fprintf(o," --pitch <value> set hardware pitch (speedup/down, 0 is neutral; 0.05 is 5%%)\n");
fprintf(o," --8bit force 8 bit output\n");
fprintf(o," --float force floating point output (internal precision)\n");
audio_enclist(&enclist);
fprintf(o," -e <c> --encoding <c> force a specific encoding (%s)\n", enclist != NULL ? enclist : "OOM!");
fprintf(o," -d n --doublespeed n play only every nth frame\n");
fprintf(o," -h n --halfspeed n play every frame n times\n");
fprintf(o," --equalizer exp.: scales freq. bands acrd. to 'equalizer.dat'\n");
fprintf(o," --gapless remove padding/junk on mp3s (best with Lame tag)\n");
fprintf(o," This is on by default when libmpg123 supports it.\n");
fprintf(o," --no-gapless disable gapless mode, not remove padding/junk\n");
fprintf(o," -D n --delay n insert a delay of n seconds before each track\n");
fprintf(o," -o h --headphones (aix/hp/sun) output on headphones\n");
fprintf(o," -o s --speaker (aix/hp/sun) output on speaker\n");
fprintf(o," -o l --lineout (aix/hp/sun) output to lineout\n");
#ifndef NOXFERMEM
fprintf(o," -b <n> --buffer <n> set play buffer (\"output cache\")\n");
fprintf(o," --preload <value> fraction of buffer to fill before playback\n");
fprintf(o," --smooth keep buffer over track boundaries\n");
#endif
fprintf(o,"\nmisc options\n\n");
fprintf(o," -t --test only decode, no output (benchmark)\n");
fprintf(o," -c --check count and display clipped samples\n");
fprintf(o," -v[*] --verbose increase verboselevel\n");
fprintf(o," -q --quiet quiet mode\n");
#ifdef HAVE_TERMIOS
fprintf(o," -C --control enable terminal control keys\n");
fprintf(o," --ctrlusr1 <c> control key (characer) to map to SIGUSR1\n");
fprintf(o," (default is for stop/start)\n");
fprintf(o," --ctrlusr2 <c> control key (characer) to map to SIGUSR2\n");
fprintf(o," (default is for next track)\n");
#endif
#ifndef GENERIC
fprintf(o," --title set xterm/rxvt title to filename\n");
#endif
fprintf(o," --long-tag spacy id3 display with every item on a separate line\n");
fprintf(o," --lyrics show lyrics (from ID3v2 USLT frame)\n");
fprintf(o," --utf8 Regardless of environment, print metadata in UTF-8.\n");
fprintf(o," -R --remote generic remote interface\n");
fprintf(o," --remote-err force use of stderr for generic remote interface\n");
#ifdef FIFO
fprintf(o," --fifo <path> open a FIFO at <path> for commands instead of stdin\n");
#endif
#ifdef HAVE_SETPRIORITY
fprintf(o," --aggressive tries to get higher priority (nice)\n");
#endif
#if defined (HAVE_SCHED_SETSCHEDULER) || defined (HAVE_WINDOWS_H)
fprintf(o," -T --realtime tries to get realtime priority\n");
#endif
#ifdef HAVE_WINDOWS_H
fprintf(o," --priority <n> use specified process priority\n");
fprintf(o," accepts -2 to 3 as integer arguments\n");
fprintf(o," -2 as idle, 0 as normal and 3 as realtime.\n");
#endif
fprintf(o," -? --help give compact help\n");
fprintf(o," --longhelp give this long help listing\n");
fprintf(o," --version give name / version string\n");
fprintf(o,"\nSee the manpage %s(1) for more information.\n", prgName);
safe_exit(err);
}
static void want_long_usage(char* arg)
{
long_usage(0);
}
static void give_version(char* arg)
{
fprintf(stdout, PACKAGE_NAME" "PACKAGE_VERSION"\n");
safe_exit(0);
}