/* Stop playback while seeking if buffer is involved. */
static void seekmode(mpg123_handle *mh, out123_handle *ao)
{
if(param.usebuffer && !stopped)
{
int channels = 0;
int encoding = 0;
int pcmframe;
off_t back_samples = 0;
stopped = TRUE;
out123_pause(ao);
mpg123_getformat(mh, NULL, &channels, &encoding);
pcmframe = out123_encsize(encoding)*channels;
if(pcmframe > 0)
back_samples = out123_buffered(ao)/pcmframe;
fprintf(stderr, "\nseeking back %"OFF_P" samples from %"OFF_P"\n"
, (off_p)back_samples, (off_p)mpg123_tell(mh));
mpg123_seek(mh, -back_samples, SEEK_CUR);
out123_drop(ao);
fprintf(stderr, "\ndropped, now at %"OFF_P"\n"
, (off_p)mpg123_tell(mh));
fprintf(stderr, "%s", MPG123_STOPPED_STRING);
if(param.verbose)
print_stat(mh, 0, ao);
}
}
int test_whence(const char* path, int scan_before)
{
int err = MPG123_OK;
mpg123_handle* mh = NULL;
off_t length, pos;
mh = mpg123_new(NULL, &err );
if(mh == NULL) return -1;
err = mpg123_open(mh, path );
if(err != MPG123_OK) return -1;
if(scan_before) mpg123_scan(mh);
pos = mpg123_seek( mh, 0, SEEK_END);
if(pos < 0){ error1("seek failed: %s", mpg123_strerror(mh)); return -1; }
pos = mpg123_tell(mh);
length = mpg123_length(mh);
/* Later: Read samples and compare different whence values with identical seek positions. */
mpg123_close(mh);
mpg123_delete(mh);
fprintf(stdout, "length %"OFF_P" vs. pos %"OFF_P"\n", length, pos);
return (pos == length) ? 0 : -1;
}
bool ofxSoundFile::mpg123Open(string path){
int err;
mp3File = mpg123_new(NULL,&err);
mpg123_param(mp3File, MPG123_ADD_FLAGS, MPG123_FORCE_FLOAT, 0.);
if(mpg123_open(mp3File,path.c_str())!=MPG123_OK){
ofLogError() << "ofxSoundFile: couldnt read " + path;
return false;
}
int encoding;
long int rate;
mpg123_getformat(mp3File,&rate,&channels,&encoding);
if(encoding!=MPG123_ENC_SIGNED_16 && encoding != MPG123_ENC_FLOAT_32){
ofLogError() << "ofxSoundFile: unsupported encoding";
return false;
}
mpg123_format_none(mp3File);
mpg123_format(mp3File, rate, channels, encoding);
samplerate = rate;
mpg123_seek(mp3File,0,SEEK_END);
samples = mpg123_tell(mp3File);
mpg123_seek(mp3File,0,SEEK_SET);
bitDepth = 16; //TODO:get real bitdepth;.
}
//------------------------------------------------------------
float ofOpenALSoundPlayer::getPosition(){
if(duration==0) return 0;
if(sources.empty()) return 0;
float pos;
if(mp3streamf){
pos = float(mpg123_tell(mp3streamf)) / float(channels) / float(samplerate);
}else if(streamf){
pos = float(stream_samples_read) / float(channels) / float(samplerate);
}else{
alGetSourcef(sources[sources.size()-1],AL_SEC_OFFSET,&pos);
}
return pos/duration;
}
//------------------------------------------------------------
int ofOpenALSoundPlayer::getPositionMS() const{
if(sources.empty()) return 0;
float pos;
#ifdef OF_USING_MPG123
if(mp3streamf){
pos = float(mpg123_tell(mp3streamf)) / float(samplerate);
}else
#endif
if(streamf){
pos = float(stream_samples_read) / float(channels) / float(samplerate);
}else{
alGetSourcef(sources[sources.size()-1],AL_SEC_OFFSET,&pos);
}
return pos * 1000.f;
}
//------------------------------------------------------------
bool ofOpenALSoundPlayer::mpg123Stream(string path,vector<short> & buffer,vector<float> & fftAuxBuffer){
if(!mp3streamf){
int err = MPG123_OK;
mp3streamf = mpg123_new(NULL,&err);
if(mpg123_open(mp3streamf,path.c_str())!=MPG123_OK){
mpg123_close(mp3streamf);
mpg123_delete(mp3streamf);
ofLogError("ofOpenALSoundPlayer") << "mpg123Stream(): couldn't read \"" << path << "\"";
return false;
}
long int rate;
mpg123_getformat(mp3streamf,&rate,&channels,(int*)&stream_encoding);
if(stream_encoding!=MPG123_ENC_SIGNED_16){
ofLogError("ofOpenALSoundPlayer") << "mpg123Stream(): " << getMpg123EncodingString(stream_encoding)
<< " encoding for \"" << path << "\"" << " unsupported, expecting MPG123_ENC_SIGNED_16";
return false;
}
samplerate = rate;
mp3_buffer_size = mpg123_outblock( mp3streamf );
mpg123_seek(mp3streamf,0,SEEK_END);
off_t samples = mpg123_tell(mp3streamf);
duration = float(samples/channels) / float(samplerate);
mpg123_seek(mp3streamf,0,SEEK_SET);
}
int curr_buffer_size = mp3_buffer_size;
if(speed>1) curr_buffer_size *= (int)round(speed);
buffer.resize(curr_buffer_size);
fftAuxBuffer.resize(buffer.size());
size_t done=0;
if(mpg123_read(mp3streamf,(unsigned char*)&buffer[0],curr_buffer_size*2,&done)==MPG123_DONE){
setPosition(0);
buffer.resize(done/2);
fftAuxBuffer.resize(done/2);
if(!bLoop) stopThread();
stream_end = true;
}
for(int i=0;i<(int)buffer.size();i++){
fftAuxBuffer[i] = float(buffer[i])/32565.f;
}
return true;
}
//------------------------------------------------------------
int ofOpenALSoundPlayer_TimelineAdditions::getPositionMS(){
if(duration==0) return 0;
if(sources.empty()) return 0;
int pos;
#ifdef OF_USING_MPG123
if(mp3streamf){
pos = 1000 * float(mpg123_tell(mp3streamf)) / float(channels) / float(samplerate);
}else
#endif
if(streamf){
pos = float(stream_samples_read) / float(channels) / float(samplerate);
return pos * 1000;
}else{
float sampleOffset;
alGetSourcef(sources[sources.size()-1],AL_SAMPLE_OFFSET,&sampleOffset);
return 1000 * duration * channels * (sampleOffset/buffer.size());
}
return pos;
}
//------------------------------------------------------------
float ofOpenALSoundPlayer_TimelineAdditions::getPosition(){
if(duration==0) return 0;
if(sources.empty()) return 0;
float pos;
#ifdef OF_USING_MPG123
if(mp3streamf){
pos = float(mpg123_tell(mp3streamf)) / float(channels) / float(samplerate);
}else
#endif
if(streamf){
pos = float(stream_samples_read) / float(channels) / float(samplerate);
return pos/duration;
}else{
alGetSourcef(sources[sources.size()-1],AL_SAMPLE_OFFSET,&pos);
//cout << "getPosition2: chans:" << channels << " pos:" << pos <<" bufsiz:" << buffer.size() << endl;
return channels*(pos/buffer.size());
}
}
//------------------------------------------------------------
float ofOpenALSoundPlayer_TimelineAdditions::getPosition(){
if(duration==0) return 0;
if(sources.empty()) return 0;
float pos;
#ifdef OF_USING_MPG123
if(mp3streamf){
pos = float(mpg123_tell(mp3streamf)) / float(channels) / float(samplerate);
}else
#endif
if(streamf){
pos = float(stream_samples_read) / float(channels) / float(samplerate);
return pos/duration;
}else{
if(timeSet) return justSetTime;
alGetSourcef(sources[sources.size()-1],AL_SAMPLE_OFFSET,&pos);
return channels*(pos/buffer.size());
//alGetSourcef(sources[sources.size()-1],AL_SEC_OFFSET,&pos);
//return pos / duration;
}
}
uint64_t Mpg123Decoder::getPosition()
{
off_t pos = mpg123_tell(mMpg123);
return (ALuint)std::max<off_t>(pos, 0);
}
int fm_player_pos(fm_player_t *pl)
{
return mpg123_tell(pl->mh) / pl->config.rate;
}
size_t MPG123Decoder::getSampleOffset()
{
return mpg123_tell(MPG123);
}
int control_generic (mpg123_handle *fr)
{
struct timeval tv;
fd_set fds;
int n;
/* ThOr */
char alive = 1;
char silent = 0;
/* responses to stderr for frontends needing audio data from stdout */
if (param.remote_err)
outstream = stderr;
else
outstream = stdout;
#ifndef WIN32
setlinebuf(outstream);
#else /* perhaps just use setvbuf as it's C89 */
/*
fprintf(outstream, "You are on Win32 and want to use the control interface... tough luck: We need a replacement for select on STDIN first.\n");
return 0;
setvbuf(outstream, (char*)NULL, _IOLBF, 0);
*/
#endif
/* the command behaviour is different, so is the ID */
/* now also with version for command availability */
fprintf(outstream, "@R MPG123 (ThOr) v8\n");
#ifdef FIFO
if(param.fifo)
{
if(param.fifo[0] == 0)
{
error("You wanted an empty FIFO name??");
return 1;
}
#ifndef WANT_WIN32_FIFO
unlink(param.fifo);
if(mkfifo(param.fifo, 0666) == -1)
{
error2("Failed to create FIFO at %s (%s)", param.fifo, strerror(errno));
return 1;
}
debug("going to open named pipe ... blocking until someone gives command");
#endif /* WANT_WIN32_FIFO */
#ifdef WANT_WIN32_FIFO
control_file = win32_fifo_mkfifo(param.fifo);
#else
control_file = open(param.fifo,O_RDONLY);
#endif /* WANT_WIN32_FIFO */
debug("opened");
}
#endif
while (alive)
{
tv.tv_sec = 0;
tv.tv_usec = 0;
FD_ZERO(&fds);
FD_SET(control_file, &fds);
/* play frame if no command needs to be processed */
if (mode == MODE_PLAYING) {
#ifdef WANT_WIN32_FIFO
n = win32_fifo_read_peek(&tv);
#else
n = select(32, &fds, NULL, NULL, &tv);
#endif
if (n == 0) {
if (!play_frame())
{
/* When the track ended, user may want to keep it open (to seek back),
so there is a decision between stopping and pausing at the end. */
if(param.keep_open)
{
mode = MODE_PAUSED;
/* Hm, buffer should be stopped already, shouldn't it? */
if(param.usebuffer) out123_pause(ao);
generic_sendmsg("P 1");
}
else
{
mode = MODE_STOPPED;
close_track();
generic_sendmsg("P 0");
}
continue;
}
if (init) {
print_remote_header(fr);
init = 0;
}
if(silent == 0)
{
generic_sendstat(fr);
if(mpg123_meta_check(fr) & MPG123_NEW_ICY)
{
char *meta;
if(mpg123_icy(fr, &meta) == MPG123_OK)
generic_sendmsg("I ICY-META: %s", meta != NULL ? meta : "<nil>");
}
}
}
}
else {
/* wait for command */
while (1) {
#ifdef WANT_WIN32_FIFO
n = win32_fifo_read_peek(NULL);
#else
n = select(32, &fds, NULL, NULL, NULL);
#endif
if (n > 0)
break;
}
}
/* on error */
if (n < 0) {
fprintf(stderr, "Error waiting for command: %s\n", strerror(errno));
return 1;
}
/* read & process commands */
if (n > 0)
{
short int len = 1; /* length of buffer */
char *cmd, *arg; /* variables for parsing, */
char *comstr = NULL; /* gcc thinks that this could be used uninitialited... */
char buf[REMOTE_BUFFER_SIZE];
short int counter;
char *next_comstr = buf; /* have it initialized for first command */
/* read as much as possible, maybe multiple commands */
/* When there is nothing to read (EOF) or even an error, it is the end */
#ifdef WANT_WIN32_FIFO
len = win32_fifo_read(buf,REMOTE_BUFFER_SIZE);
#else
len = read(control_file, buf, REMOTE_BUFFER_SIZE);
#endif
if(len < 1)
{
#ifdef FIFO
if(len == 0 && param.fifo)
{
debug("fifo ended... reopening");
#ifdef WANT_WIN32_FIFO
win32_fifo_mkfifo(param.fifo);
#else
close(control_file);
control_file = open(param.fifo,O_RDONLY|O_NONBLOCK);
#endif
if(control_file < 0) {
error1("open of fifo failed... %s", strerror(errno));
break;
}
continue;
}
#endif
if(len < 0) error1("command read error: %s", strerror(errno));
break;
}
debug1("read %i bytes of commands", len);
/* one command on a line - separation by \n -> C strings in a row */
for(counter = 0; counter < len; ++counter)
{
/* line end is command end */
if( (buf[counter] == '\n') || (buf[counter] == '\r') )
{
debug1("line end at counter=%i", counter);
buf[counter] = 0; /* now it's a properly ending C string */
comstr = next_comstr;
/* skip the additional line ender of \r\n or \n\r */
if( (counter < (len - 1)) && ((buf[counter+1] == '\n') || (buf[counter+1] == '\r')) ) buf[++counter] = 0;
/* next "real" char is first of next command */
next_comstr = buf + counter+1;
/* directly process the command now */
debug1("interpreting command: %s", comstr);
if(strlen(comstr) == 0) continue;
/* PAUSE */
if (!strcasecmp(comstr, "P") || !strcasecmp(comstr, "PAUSE")) {
if(mode != MODE_STOPPED)
{
if (mode == MODE_PLAYING) {
mode = MODE_PAUSED;
out123_pause(ao);
generic_sendmsg("P 1");
} else {
mode = MODE_PLAYING;
out123_continue(ao);
generic_sendmsg("P 2");
}
} else generic_sendmsg("P 0");
continue;
}
/* STOP */
if (!strcasecmp(comstr, "S") || !strcasecmp(comstr, "STOP")) {
if (mode != MODE_STOPPED) {
/* Do we want to drop here? */
out123_drop(ao);
out123_stop(ao);
close_track();
mode = MODE_STOPPED;
generic_sendmsg("P 0");
} else generic_sendmsg("P 0");
continue;
}
/* SILENCE */
if(!strcasecmp(comstr, "SILENCE")) {
silent = 1;
generic_sendmsg("silence");
continue;
}
if(!strcasecmp(comstr, "T") || !strcasecmp(comstr, "TAG")) {
generic_sendalltag(fr);
continue;
}
if(!strcasecmp(comstr, "SCAN"))
{
if(mode != MODE_STOPPED)
{
if(mpg123_scan(fr) == MPG123_OK)
generic_sendmsg("SCAN done");
else
generic_sendmsg("E %s", mpg123_strerror(fr));
}
else generic_sendmsg("E No track loaded!");
continue;
}
if(!strcasecmp(comstr, "SAMPLE"))
{
off_t pos = mpg123_tell(fr);
off_t len = mpg123_length(fr);
/* I need to have portable printf specifiers that do not truncate the type... more autoconf... */
if(len < 0) generic_sendmsg("E %s", mpg123_strerror(fr));
else generic_sendmsg("SAMPLE %li %li", (long)pos, (long)len);
continue;
}
if(!strcasecmp(comstr, "FORMAT"))
{
long rate;
int ch;
int ret = mpg123_getformat(fr, &rate, &ch, NULL);
/* I need to have portable printf specifiers that do not truncate the type... more autoconf... */
if(ret < 0) generic_sendmsg("E %s", mpg123_strerror(fr));
else generic_sendmsg("FORMAT %li %i", rate, ch);
continue;
}
if(!strcasecmp(comstr, "SHOWEQ"))
{
int i;
generic_sendmsg("SHOWEQ {");
for(i=0; i<32; ++i)
{
generic_sendmsg("SHOWEQ %i : %i : %f", MPG123_LEFT, i, mpg123_geteq(fr, MPG123_LEFT, i));
generic_sendmsg("SHOWEQ %i : %i : %f", MPG123_RIGHT, i, mpg123_geteq(fr, MPG123_RIGHT, i));
}
generic_sendmsg("SHOWEQ }");
continue;
}
if(!strcasecmp(comstr, "STATE"))
{
long val;
generic_sendmsg("STATE {");
/* Get some state information bits and display them. */
if(mpg123_getstate(fr, MPG123_ACCURATE, &val, NULL) == MPG123_OK)
generic_sendmsg("STATE accurate %li", val);
generic_sendmsg("STATE }");
continue;
}
/* QUIT */
if (!strcasecmp(comstr, "Q") || !strcasecmp(comstr, "QUIT")) {
alive = FALSE;
continue;
}
/* some HELP */
if (!strcasecmp(comstr, "H") || !strcasecmp(comstr, "HELP")) {
generic_sendmsg("H {");
generic_sendmsg("H HELP/H: command listing (LONG/SHORT forms), command case insensitve");
generic_sendmsg("H LOAD/L <trackname>: load and start playing resource <trackname>");
generic_sendmsg("H LOADPAUSED/LP <trackname>: load but do not start playing resource <trackname>");
generic_sendmsg("H LOADLIST/LL <entry> <url>: load a playlist from given <url>, and display its entries, optionally load and play one of these specificed by the integer <entry> (<0: just list, 0: play last track, >0:play track with that position in list)");
generic_sendmsg("H PAUSE/P: pause playback");
generic_sendmsg("H STOP/S: stop playback (closes file)");
generic_sendmsg("H JUMP/J <frame>|<+offset>|<-offset>|<[+|-]seconds>s: jump to mpeg frame <frame> or change position by offset, same in seconds if number followed by \"s\"");
generic_sendmsg("H VOLUME/V <percent>: set volume in % (0..100...); float value");
generic_sendmsg("H RVA off|(mix|radio)|(album|audiophile): set rva mode");
generic_sendmsg("H EQ/E <channel> <band> <value>: set equalizer value for frequency band 0 to 31 on channel %i (left) or %i (right) or %i (both)", MPG123_LEFT, MPG123_RIGHT, MPG123_LR);
generic_sendmsg("H EQFILE <filename>: load EQ settings from a file");
generic_sendmsg("H SHOWEQ: show all equalizer settings (as <channel> <band> <value> lines in a SHOWEQ block (like TAG))");
generic_sendmsg("H SEEK/K <sample>|<+offset>|<-offset>: jump to output sample position <samples> or change position by offset");
generic_sendmsg("H SCAN: scan through the file, building seek index");
generic_sendmsg("H SAMPLE: print out the sample position and total number of samples");
generic_sendmsg("H FORMAT: print out sampling rate in Hz and channel count");
generic_sendmsg("H SEQ <bass> <mid> <treble>: simple eq setting...");
generic_sendmsg("H PITCH <[+|-]value>: adjust playback speed (+0.01 is 1 %% faster)");
generic_sendmsg("H SILENCE: be silent during playback (meaning silence in text form)");
generic_sendmsg("H STATE: Print auxiliary state info in several lines (just try it to see what info is there).");
generic_sendmsg("H TAG/T: Print all available (ID3) tag info, for ID3v2 that gives output of all collected text fields, using the ID3v2.3/4 4-character names. NOTE: ID3v2 data will be deleted on non-forward seeks.");
generic_sendmsg("H The output is multiple lines, begin marked by \"@T {\", end by \"@T }\".");
generic_sendmsg("H ID3v1 data is like in the @I info lines (see below), just with \"@T\" in front.");
generic_sendmsg("H An ID3v2 data field is introduced via ([ ... ] means optional):");
generic_sendmsg("H @T ID3v2.<NAME>[ [lang(<LANG>)] desc(<description>)]:");
generic_sendmsg("H The lines of data follow with \"=\" prefixed:");
generic_sendmsg("H @T =<one line of content in UTF-8 encoding>");
generic_sendmsg("H meaning of the @S stream info:");
generic_sendmsg("H %s", remote_header_help);
generic_sendmsg("H The @I lines after loading a track give some ID3 info, the format:");
generic_sendmsg("H @I ID3:artist album year comment genretext");
generic_sendmsg("H where artist,album and comment are exactly 30 characters each, year is 4 characters, genre text unspecified.");
generic_sendmsg("H You will encounter \"@I ID3.genre:<number>\" and \"@I ID3.track:<number>\".");
generic_sendmsg("H Then, there is an excerpt of ID3v2 info in the structure");
generic_sendmsg("H @I ID3v2.title:Blabla bla Bla");
generic_sendmsg("H for every line of the \"title\" data field. Likewise for other fields (author, album, etc).");
generic_sendmsg("H }");
continue;
}
/* commands with arguments */
cmd = NULL;
arg = NULL;
cmd = strtok(comstr," \t"); /* get the main command */
arg = strtok(NULL,""); /* get the args */
if (cmd && strlen(cmd) && arg && strlen(arg))
{
#ifndef NO_EQUALIZER
/* Simple EQ: SEQ <BASS> <MID> <TREBLE> */
if (!strcasecmp(cmd, "SEQ")) {
double b,m,t;
int cn;
if(sscanf(arg, "%lf %lf %lf", &b, &m, &t) == 3)
{
/* Consider adding mpg123_seq()... but also, on could define a nicer courve for that. */
if ((t >= 0) && (t <= 3))
for(cn=0; cn < 1; ++cn) mpg123_eq(fr, MPG123_LEFT|MPG123_RIGHT, cn, b);
if ((m >= 0) && (m <= 3))
for(cn=1; cn < 2; ++cn) mpg123_eq(fr, MPG123_LEFT|MPG123_RIGHT, cn, m);
if ((b >= 0) && (b <= 3))
for(cn=2; cn < 32; ++cn) mpg123_eq(fr, MPG123_LEFT|MPG123_RIGHT, cn, t);
generic_sendmsg("bass: %f mid: %f treble: %f", b, m, t);
}
else generic_sendmsg("E invalid arguments for SEQ: %s", arg);
continue;
}
/* Equalizer control :) (JMG) */
if (!strcasecmp(cmd, "E") || !strcasecmp(cmd, "EQ")) {
double e; /* ThOr: equalizer is of type real... whatever that is */
int c, v;
/*generic_sendmsg("%s",updown);*/
if(sscanf(arg, "%i %i %lf", &c, &v, &e) == 3)
{
if(mpg123_eq(fr, c, v, e) == MPG123_OK)
generic_sendmsg("%i : %i : %f", c, v, e);
else
generic_sendmsg("E failed to set eq: %s", mpg123_strerror(fr));
}
else generic_sendmsg("E invalid arguments for EQ: %s", arg);
continue;
}
if(!strcasecmp(cmd, "EQFILE"))
{
equalfile = arg;
if(load_equalizer(fr) == 0)
generic_sendmsg("EQFILE done");
else
generic_sendmsg("E failed to parse given eq file");
continue;
}
#endif
/* SEEK to a sample offset */
if(!strcasecmp(cmd, "K") || !strcasecmp(cmd, "SEEK"))
{
off_t soff;
off_t oldpos;
off_t newpos;
char *spos = arg;
int whence = SEEK_SET;
if(mode == MODE_STOPPED)
{
generic_sendmsg("E No track loaded!");
continue;
}
oldpos = mpg123_tell(fr);
soff = (off_t) atobigint(spos);
if(spos[0] == '-' || spos[0] == '+') whence = SEEK_CUR;
if(0 > (soff = mpg123_seek(fr, soff, whence)))
{
generic_sendmsg("E Error while seeking: %s", mpg123_strerror(fr));
mpg123_seek(fr, 0, SEEK_SET);
}
out123_drop(ao);
newpos = mpg123_tell(fr);
if(newpos <= oldpos) mpg123_meta_free(fr);
generic_sendmsg("K %"OFF_P, (off_p)newpos);
continue;
}
/* JUMP */
if (!strcasecmp(cmd, "J") || !strcasecmp(cmd, "JUMP")) {
char *spos;
off_t offset;
off_t oldpos;
double secs;
spos = arg;
if(mode == MODE_STOPPED)
{
generic_sendmsg("E No track loaded!");
continue;
}
oldpos = framenum;
if(spos[strlen(spos)-1] == 's' && sscanf(arg, "%lf", &secs) == 1) offset = mpg123_timeframe(fr, secs);
else offset = atol(spos);
/* totally replaced that stuff - it never fully worked
a bit usure about why +pos -> spos+1 earlier... */
if (spos[0] == '-' || spos[0] == '+') offset += framenum;
if(0 > (framenum = mpg123_seek_frame(fr, offset, SEEK_SET)))
{
generic_sendmsg("E Error while seeking");
mpg123_seek_frame(fr, 0, SEEK_SET);
}
out123_drop(ao);
if(framenum <= oldpos) mpg123_meta_free(fr);
generic_sendmsg("J %d", framenum);
continue;
}
/* VOLUME in percent */
if(!strcasecmp(cmd, "V") || !strcasecmp(cmd, "VOLUME"))
{
double v;
mpg123_volume(fr, atof(arg)/100);
mpg123_getvolume(fr, &v, NULL, NULL); /* Necessary? */
generic_sendmsg("V %f%%", v * 100);
continue;
}
/* PITCH (playback speed) in percent */
if(!strcasecmp(cmd, "PITCH"))
{
double p;
if(sscanf(arg, "%lf", &p) == 1)
{
set_pitch(fr, ao, p);
generic_sendmsg("PITCH %f", param.pitch);
}
else generic_sendmsg("E invalid arguments for PITCH: %s", arg);
continue;
}
/* RVA mode */
if(!strcasecmp(cmd, "RVA"))
{
if(!strcasecmp(arg, "off")) param.rva = MPG123_RVA_OFF;
else if(!strcasecmp(arg, "mix") || !strcasecmp(arg, "radio")) param.rva = MPG123_RVA_MIX;
else if(!strcasecmp(arg, "album") || !strcasecmp(arg, "audiophile")) param.rva = MPG123_RVA_ALBUM;
mpg123_volume_change(fr, 0.);
generic_sendmsg("RVA %s", rva_name[param.rva]);
continue;
}
/* LOAD - actually play */
if (!strcasecmp(cmd, "L") || !strcasecmp(cmd, "LOAD")) {
generic_load(fr, arg, MODE_PLAYING);
continue;
}
if (!strcasecmp(cmd, "LL") || !strcasecmp(cmd, "LOADLIST")) {
generic_loadlist(fr, arg);
continue;
}
/* LOADPAUSED */
if (!strcasecmp(cmd, "LP") || !strcasecmp(cmd, "LOADPAUSED")) {
generic_load(fr, arg, MODE_PAUSED);
continue;
}
/* no command matched */
generic_sendmsg("E Unknown command: %s", cmd); /* unknown command */
} /* end commands with arguments */
else generic_sendmsg("E Unknown command or no arguments: %s", comstr); /* unknown command */
} /* end of single command processing */
} /* end of scanning the command buffer */
/*
when last command had no \n... should I discard it?
Ideally, I should remember the part and wait for next
read() to get the rest up to a \n. But that can go
to infinity. Too long commands too quickly are just
bad. Cannot/Won't change that. So, discard the unfinished
command and have fingers crossed that the rest of this
unfinished one qualifies as "unknown".
*/
if(buf[len-1] != 0)
{
char lasti = buf[len-1];
buf[len-1] = 0;
generic_sendmsg("E Unfinished command: %s%c", comstr, lasti);
}
} /* end command reading & processing */
} /* end main (alive) loop */
debug("going to end");
/* quit gracefully */
debug("closing control");
#ifdef FIFO
#if WANT_WIN32_FIFO
win32_fifo_close();
#else
close(control_file); /* be it FIFO or STDIN */
if(param.fifo) unlink(param.fifo);
#endif /* WANT_WIN32_FIFO */
#endif
debug("control_generic returning");
return 0;
}
VALUE rb_mpg123_tell(VALUE self)
{
return INT2FIX(mpg123_tell(DATA_PTR(self)));
}
ptrdiff_t AudioStreamerMpg123::tell_impl() const
{
mpg123_handle* mh = static_cast<mpg123_handle*>(handle_);
return mpg123_tell(mh);
}
long int gaudio_Mp3Tell(g_id gid)
{
GGMp3Handle *handle = (GGMp3Handle*)gid;
return mpg123_tell(handle->mh);
}