void generic_sendstat (mpg123_handle *fr)
{
off_t current_frame, frames_left;
double current_seconds, seconds_left;
if(!mpg123_position(fr, 0, xfermem_get_usedspace(buffermem), ¤t_frame, &frames_left, ¤t_seconds, &seconds_left))
generic_sendmsg("F %"OFF_P" %"OFF_P" %3.2f %3.2f", (off_p)current_frame, (off_p)frames_left, current_seconds, seconds_left);
}
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
}
off_t term_control(mpg123_handle *fr, audio_output_t *ao)
{
offset = 0;
debug1("control for frame: %li", (long)mpg123_tellframe(fr));
if(!term_enable) return 0;
if(paused)
{
/* pause_cycle counts the remaining frames _after_ this one, thus <0, not ==0 . */
if(--pause_cycle < 0)
{
pause_recycle(fr);
if(param.usebuffer)
{
while(paused && xfermem_get_usedspace(buffermem))
{
buffer_ignore_lowmem();
term_handle_input(fr, ao, TRUE);
}
/* Undo the cycling offset if we are done with cycling. */
if(!paused) pause_uncycle();
}
}
}
do
{
term_handle_input(fr, ao, stopped|seeking);
if((offset < 0) && (-offset > framenum)) offset = - framenum;
if(param.verbose && offset != 0)
print_stat(fr,offset,0);
} while (stopped);
/* Make the seeking experience with buffer less annoying.
No sound during seek, but at least it is possible to go backwards. */
if(offset)
{
if((offset = mpg123_seek_frame(fr, offset, SEEK_CUR)) >= 0)
debug1("seeked to %li", (long)offset);
else error1("seek failed: %s!", mpg123_strerror(fr));
/* Buffer resync already happened on un-stop? */
/* if(param.usebuffer) buffer_resync();*/
}
return 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
}
void buffer_loop(audio_output_t *ao, sigset_t *oldsigset)
{
int bytes, outbytes;
int my_fd = buffermem->fd[XF_READER];
txfermem *xf = buffermem;
int done = FALSE;
int preload;
catchsignal (SIGINT, catch_interrupt);
catchsignal (SIGUSR1, catch_usr1);
sigprocmask (SIG_SETMASK, oldsigset, NULL);
xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
debug("audio output: waiting for cap requests");
/* wait for audio setup queries */
while(1)
{
int cmd;
cmd = xfermem_block(XF_READER, xf);
if(cmd == XF_CMD_AUDIOCAP)
{
ao->rate = xf->rate;
ao->channels = xf->channels;
ao->format = ao->get_formats(ao);
debug3("formats for %liHz/%ich: 0x%x", ao->rate, ao->channels, ao->format);
xf->format = ao->format;
xfermem_putcmd(my_fd, XF_CMD_AUDIOCAP);
}
else if(cmd == XF_CMD_WAKEUP)
{
debug("got wakeup... leaving config mode");
xfermem_putcmd(buffermem->fd[XF_READER], XF_CMD_WAKEUP);
break;
}
else
{
error1("unexpected command %i", cmd);
return;
}
}
/* Fill complete buffer on first run before starting to play.
* Live mp3 streams constantly approach buffer underrun otherwise. [dk]
*/
preload = (int)(param.preload*xf->size);
if(preload > xf->size) preload = xf->size;
if(preload < 0) preload = 0;
for (;;) {
if (intflag) {
debug("handle intflag... flushing");
intflag = FALSE;
ao->flush(ao);
/* Either prepare for waiting or empty buffer now. */
if(!xf->justwait) xf->readindex = xf->freeindex;
else
{
int cmd;
debug("Prepare for waiting; draining command queue. (There's a lot of wakeup commands pending, usually.)");
do
{
cmd = xfermem_getcmd(my_fd, FALSE);
/* debug1("drain: %i", cmd); */
} while(cmd > 0);
}
if(xf->wakeme[XF_WRITER]) xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
}
if (usr1flag) {
debug("handling usr1flag");
usr1flag = FALSE;
/* close and re-open in order to flush
* the device's internal buffer before
* changing the sample rate. [OF]
*/
/* writer must block when sending SIGUSR1
* or we will lose all data processed
* in the meantime! [dk]
*/
xf->readindex = xf->freeindex;
/* We've nailed down the new starting location -
* writer is now safe to go on. [dk]
*/
if (xf->wakeme[XF_WRITER])
xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
ao->rate = xf->rate;
ao->channels = xf->channels;
ao->format = xf->format;
if (reset_output(ao) < 0) {
error1("failed to reset audio: %s", strerror(errno));
exit(1);
}
}
if ( (bytes = xfermem_get_usedspace(xf)) < outburst ) {
/* if we got a buffer underrun we first
* fill 1/8 of the buffer before continue/start
* playing */
if (preload < xf->size>>3)
preload = xf->size>>3;
if(preload < outburst)
preload = outburst;
}
debug1("bytes: %i", bytes);
if(xf->justwait || bytes < preload) {
int cmd;
if (done && !bytes) {
break;
}
if(xf->justwait || !done) {
/* Don't spill into errno check below. */
errno = 0;
cmd = xfermem_block(XF_READER, xf);
debug1("got %i", cmd);
switch(cmd) {
/* More input pending. */
case XF_CMD_WAKEUP_INFO:
continue;
/* Yes, we know buffer is low but
* know we don't care.
*/
case XF_CMD_WAKEUP:
break; /* Proceed playing. */
case XF_CMD_ABORT: /* Immediate end, discard buffer contents. */
return; /* Cleanup happens outside of buffer_loop()*/
case XF_CMD_TERMINATE: /* Graceful end, playing stuff in buffer and then return. */
debug("going to terminate");
done = TRUE;
break;
case XF_CMD_RESYNC:
debug("ordered resync");
if (param.outmode == DECODE_AUDIO) ao->flush(ao);
xf->readindex = xf->freeindex;
if (xf->wakeme[XF_WRITER]) xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
continue;
break;
case -1:
if(intflag || usr1flag) /* Got signal, handle it at top of loop... */
{
debug("buffer interrupted");
continue;
}
if(errno)
error1("Yuck! Error in buffer handling... or somewhere unexpected: %s", strerror(errno));
done = TRUE;
xf->readindex = xf->freeindex;
xfermem_putcmd(xf->fd[XF_READER], XF_CMD_TERMINATE);
break;
default:
fprintf(stderr, "\nEh!? Received unknown command 0x%x in buffer process.\n", cmd);
}
}
}
/* Hack! The writer issues XF_CMD_WAKEUP when first adjust
* audio settings. We do not want to lower the preload mark
* just yet!
*/
if (xf->justwait || !bytes)
continue;
preload = outburst; /* set preload to lower mark */
if (bytes > xf->size - xf->readindex)
bytes = xf->size - xf->readindex;
if (bytes > outburst)
bytes = outburst;
/* The output can only take multiples of framesize. */
bytes -= bytes % ao->framesize;
debug("write");
outbytes = flush_output(ao, (unsigned char*) xf->data + xf->readindex, bytes);
if(outbytes < bytes)
{
if(outbytes < 0) outbytes = 0;
if(!intflag && !usr1flag) {
error1("Ouch ... error while writing audio data: %s", strerror(errno));
/*
* done==TRUE tells writer process to stop
* sending data. There might be some latency
* involved when resetting readindex to
* freeindex so we might need more than one
* cycle to terminate. (The number of cycles
* should be finite unless I managed to mess
* up something. ;-) [dk]
*/
done = TRUE;
xf->readindex = xf->freeindex;
xfermem_putcmd(xf->fd[XF_READER], XF_CMD_TERMINATE);
}
else debug("buffer interrupted");
}
bytes = outbytes;
xf->readindex = (xf->readindex + bytes) % xf->size;
if (xf->wakeme[XF_WRITER])
xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
}
}
int main(int sys_argc, char ** sys_argv)
{
int result;
char end_of_files = FALSE;
long parr;
char *fname;
int libpar = 0;
mpg123_pars *mp;
#if !defined(WIN32) && !defined(GENERIC)
struct timeval start_time;
#endif
aux_out = stdout; /* Need to initialize here because stdout is not a constant?! */
#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, ¶m.rva, NULL);
mpg123_getpar(mp, MPG123_DOWNSPEED, ¶m.halfspeed, NULL);
mpg123_getpar(mp, MPG123_UPSPEED, ¶m.doublespeed, NULL);
mpg123_getpar(mp, MPG123_OUTSCALE, ¶m.outscale, NULL);
mpg123_getpar(mp, MPG123_FLAGS, &parr, NULL);
mpg123_getpar(mp, MPG123_INDEX_SIZE, ¶m.index_size, NULL);
param.flags = (int) parr;
param.flags |= MPG123_SEEKBUFFER; /* Default on, for HTTP streams. */
mpg123_getpar(mp, MPG123_RESYNC_LIMIT, ¶m.resync_limit, NULL);
mpg123_getpar(mp, MPG123_PREFRAMES, ¶m.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
if(APPFLAG(MPG123APP_CONTINUE)) frames_left = param.frame_number;
while ((fname = get_next_file()))
{
char *dirname, *filename;
int newdir;
/* 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);
}
if(!APPFLAG(MPG123APP_CONTINUE)) 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(APPFLAG(MPG123APP_CONTINUE)) param.start_frame = 0;
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;
}
/* Prinout and xterm title need this, possibly independently. */
newdir = split_dir_file(fname ? fname : "standard input", &dirname, &filename);
if (!param.quiet)
{
if(newdir) 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)
{
if(!strncmp(term_type,"xterm",5) || !strncmp(term_type,"rxvt",4))
fprintf(stderr, "\033]0;%s\007", filename);
else if(!strncmp(term_type,"screen",6))
fprintf(stderr, "\033k%s\033\\", filename);
else if(!strncmp(term_type,"iris-ansi",9))
fprintf(stderr, "\033P1.y %s\033\\\033P3.y%s\033\\", filename, filename);
fflush(stderr); /* Paranoia: will the buffer buffer the escapes? */
}
}
#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)
{
if(APPFLAG(MPG123APP_CONTINUE)) end_of_files = TRUE;
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
}
if(end_of_files) break;
} /* end of loop over input files */
/* Ensure we played everything. */
if(param.smooth && param.usebuffer)
{
buffer_drain();
buffer_resync();
}
if(APPFLAG(MPG123APP_CONTINUE))
{
continue_msg("CONTINUE");
}
/* Free up memory used by playlist */
if(!param.remote) free_playlist();
safe_exit(0); /* That closes output and restores terminal, too. */
return 0;
}
void buffer_loop(struct audio_info_struct *ai, sigset_t *oldsigset)
{
int bytes;
int my_fd = buffermem->fd[XF_READER];
txfermem *xf = buffermem;
int done = FALSE;
catchsignal (SIGINT, catch_interrupt);
catchsignal (SIGUSR1, catch_usr1);
sigprocmask (SIG_SETMASK, oldsigset, NULL);
#ifndef NO_DECODE_AUDIO
if (param.outmode == DECODE_AUDIO) {
if (audio_open(ai) < 0) {
perror("audio");
exit(1);
}
}
#endif
for (;;) {
if (intflag) {
intflag = FALSE;
#ifndef NO_DECODE_AUDIO
if (param.outmode == DECODE_AUDIO)
audio_queueflush (ai);
#endif
xf->readindex = xf->freeindex;
if (xf->wakeme[XF_WRITER])
xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
}
if (usr1flag) {
usr1flag = FALSE;
/* close and re-open in order to flush
* the device's internal buffer before
* changing the sample rate. [OF]
*/
/* writer must block when sending SIGUSR1
* or we will lose all data processed
* in the meantime! [dk]
*/
xf->readindex = xf->freeindex;
/* We've nailed down the new starting location -
* writer is now safe to go on. [dk]
*/
if (xf->wakeme[XF_WRITER])
xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
#ifndef NO_DECODE_AUDIO
if (param.outmode == DECODE_AUDIO) {
audio_close (ai);
ai->rate = xf->buf[0];
ai->channels = xf->buf[1];
ai->format = xf->buf[2];
if (audio_open(ai) < 0) {
sleep(1);
/* give em a 2. try */
if (audio_open(ai) < 0) {
perror("audio");
exit(1);
}
}
}
#endif
}
if ( (bytes = xfermem_get_usedspace(xf)) < outburst ) {
/* if we got a buffer underrun we first
* fill 1/8 of the buffer before continue/start
* playing */
preload = xf->size>>3;
if(preload < outburst)
preload = outburst;
}
if(bytes < preload) {
int cmd;
if (done && !bytes) {
break;
}
if(!done) {
cmd = xfermem_block(XF_READER, xf);
switch(cmd) {
/* More input pending. */
case XF_CMD_WAKEUP_INFO:
continue;
/* Yes, we know buffer is low but
* know we don't care.
*/
case XF_CMD_WAKEUP:
break; /* Proceed playing. */
case XF_CMD_TERMINATE:
/* Proceed playing without
* blocking any further.
*/
done=TRUE;
break;
case -1:
if(errno==EINTR)
continue;
perror("Yuck! Error in buffer handling...");
done = TRUE;
xf->readindex = xf->freeindex;
xfermem_putcmd(xf->fd[XF_READER], XF_CMD_TERMINATE);
break;
default:
fprintf(stderr, "\nEh!? Received unknown command 0x%x in buffer process. Tell Daniel!\n", cmd);
}
}
}
preload = outburst; /* set preload to lower mark */
if (bytes > xf->size - xf->readindex)
bytes = xf->size - xf->readindex;
if (bytes > outburst)
bytes = outburst;
if (param.outmode == DECODE_FILE)
bytes = write(OutputDescriptor, xf->data + xf->readindex, bytes);
#ifndef NO_DECODE_AUDIO
else if (param.outmode == DECODE_AUDIO)
bytes = audio_play_samples(ai,
(unsigned char *) (xf->data + xf->readindex), bytes);
#endif
if(bytes < 0) {
bytes = 0;
if(errno != EINTR) {
perror("Ouch ... error while writing audio data: ");
/*
* done==TRUE tells writer process to stop
* sending data. There might be some latency
* involved when resetting readindex to
* freeindex so we might need more than one
* cycle to terminate. (The number of cycles
* should be finite unless I managed to mess
* up something. ;-) [dk]
*/
done = TRUE;
xf->readindex = xf->freeindex;
xfermem_putcmd(xf->fd[XF_READER], XF_CMD_TERMINATE);
}
}
xf->readindex = (xf->readindex + bytes) % xf->size;
if (xf->wakeme[XF_WRITER])
xfermem_putcmd(my_fd, XF_CMD_WAKEUP);
}
