Example #1
0
static void generic_load(mpg123_handle *fr, char *arg, int state)
{
    out123_drop(ao);
    if(mode != MODE_STOPPED)
    {
        close_track();
        mode = MODE_STOPPED;
    }
    if(!open_track(arg))
    {
        generic_sendmsg("E Error opening stream: %s", arg);
        generic_sendmsg("P 0");
        return;
    }
    mpg123_seek(fr, 0, SEEK_SET); /* This finds ID3v2 at beginning. */
    if(mpg123_meta_check(fr) & MPG123_NEW_ID3)
    {
        generic_sendinfoid3(fr);
    }
    else generic_sendinfo(arg);

    if(htd.icy_name.fill) generic_sendmsg("I ICY-NAME: %s", htd.icy_name.p);
    if(htd.icy_url.fill)  generic_sendmsg("I ICY-URL: %s", htd.icy_url.p);

    mode = state;
    init = 1;
    generic_sendmsg(mode == MODE_PAUSED ? "P 1" : "P 2");
}
Example #2
0
void input_mpg123::read_metadata()
{
    mpg123_scan(handle);
    int meta = mpg123_meta_check(handle);

    if (!(meta & MPG123_ID3)) {
        return;
    }

    mpg123_id3v1 *v1;
    mpg123_id3v2 *v2;

    if (mpg123_id3(handle, &v1, &v2) != MPG123_OK) {
        return;
    }

    if (v2) {
        title = decode_string<unc::utf8>(v2->title);
        artist = decode_string<unc::utf8>(v2->artist);
        album = decode_string<unc::utf8>(v2->album);
        year = decode_string<unc::utf8>(v2->year);
        return;
    }

    if (v1) {
        title = decode_byte_string<unc::latin1>(v1->title);
        artist = decode_byte_string<unc::latin1>(v1->artist);
        album = decode_byte_string<unc::latin1>(v1->album);
        year = decode_byte_string<unc::latin1>(v1->year);
        return;
    }
}
Example #3
0
int
in_mp3_getinfo(void *m, track_t *track)
{
#if 0
	int		meta;
	mpg123_id3v2	*v2;
	mpg123_id3v1	*v1;

	v1 = NULL;
	v2 = NULL;

	/* move those to some global string db */
	info->artist = "Unknown Artist";
	info->title = "Unknown Title";

	mpg123_scan(m);
	meta = mpg123_meta_check(m);
	/* XXX - generalize this, toooooooo ugly */
	if ((meta & MPG123_ID3) && (mpg123_id3(m, &v1, &v2) == MPG123_OK)) {
		if (v1 != NULL) {
			info->artist = (char *)malloc(31);
			strncpy(info->artist, v1->artist, 30);

			if (info->artist[30]) {
				info->artist = realloc(info->artist, 31);
				assert(info->artist != NULL);
				info->artist[31] = '\0';
			}

			info->title = (char *)malloc(31);
			strncpy(info->title, v1->title, 30);

			if (info->title[30]) {
				info->title = realloc(info->title, 31);
				assert(info->title != NULL);
				info->title[31] = '\0';
			}
		}
		if (v2 != NULL) {
			if (v2->artist != NULL) {
				info->artist = (char *)malloc(v2->artist->size + 2);
				strncpy(info->artist, v2->artist->p, v2->artist->size);

				if (info->artist[v2->artist->size]) {
					info->artist[v2->artist->size + 1] = '\0';
				}
			}
			if (v2->title != NULL) {
				info->title = (char *)malloc(v2->title->size + 2);
				strncpy(info->title, v2->title->p, v2->title->size);

				if (info->title[v2->title->size]) {
					info->title[v2->title->size + 1] = '\0';
				}
			}
		}
	}
#endif
	return REPLAY_ERR;
}
void print_stat(mpg123_handle *fr, long offset, long buffsize)
{
	double tim1,tim2;
	off_t rno, no;
	double basevol, realvol;
	char *icy;
#ifndef WIN32
#ifndef GENERIC
/* Only generate new stat line when stderr is ready... don't overfill... */
	{
		struct timeval t;
		fd_set serr;
		int n,errfd = fileno(stderr);

		t.tv_sec=t.tv_usec=0;

		FD_ZERO(&serr);
		FD_SET(errfd,&serr);
		n = select(errfd+1,NULL,&serr,NULL,&t);
		if(n <= 0) return;
	}
#endif
#endif
	if(    MPG123_OK == mpg123_position(fr, offset, buffsize, &no, &rno, &tim1, &tim2)
	    && MPG123_OK == mpg123_getvolume(fr, &basevol, &realvol, NULL) )
	{
		fprintf(stderr, "\rFrame# %5"OFF_P" [%5"OFF_P"], Time: %02lu:%02u.%02u [%02u:%02u.%02u], RVA:%6s, Vol: %3u(%3u)",
		        (off_p)no, (off_p)rno,
		        (unsigned long) tim1/60, (unsigned int)tim1%60, (unsigned int)(tim1*100)%100,
		        (unsigned int)tim2/60, (unsigned int)tim2%60, (unsigned int)(tim2*100)%100,
		        rva_name[param.rva], roundui(basevol*100), roundui(realvol*100) );
		if(param.usebuffer) fprintf(stderr,", [%8ld] ",(long)buffsize);
	}
	/* Check for changed tags here too? */
	if( mpg123_meta_check(fr) & MPG123_NEW_ICY && MPG123_OK == mpg123_icy(fr, &icy) )
	fprintf(stderr, "\nICY-META: %s\n", icy);
}
Example #5
0
int main(int argc, char **argv)
{
	int i, result;
	mpg123_handle* m;
#if defined(WANT_WIN32_UNICODE)
	win32_cmdline_utf8(&argc,&argv);
#endif
	progname = argv[0];

	while ((result = getlopt(argc, argv, opts)))
	switch (result) {
		case GLO_UNKNOWN:
			fprintf (stderr, "%s: Unknown option \"%s\".\n", 
				progname, loptarg);
			usage(1);
		case GLO_NOARG:
			fprintf (stderr, "%s: Missing argument for option \"%s\".\n",
				progname, loptarg);
			usage(1);
	}

#ifdef WIN32
	fprintf(stderr, "WARNING: This tool is not yet adapted to run on Windows (file I/O, unicode arguments)!\n");
#endif
	if(loptind >= argc) usage(1);

	mpg123_init();
	m = mpg123_new(NULL, NULL);
	mpg123_param(m, MPG123_ADD_FLAGS, MPG123_PICTURE, 0.);

	for(i=loptind; i < argc; ++i)
	{
		mpg123_id3v1 *v1;
		mpg123_id3v2 *v2;
		int meta;
		if(mpg123_open(m, argv[i]) != MPG123_OK)
		{
			fprintf(stderr, "Cannot open %s: %s\n", argv[i], mpg123_strerror(m));
			continue;
		}
		mpg123_scan(m);
		meta = mpg123_meta_check(m);
		if(meta & MPG123_ID3 && mpg123_id3(m, &v1, &v2) == MPG123_OK)
		{
			printf("FILE: %s\n", argv[i]);
			printf("\n====      ID3v1       ====\n");
			if(v1 != NULL) print_v1(v1);

			printf("\n====      ID3v2       ====\n");
			if(v2 != NULL) print_v2(v2);

			printf("\n==== ID3v2 Raw frames ====\n");
			if(v2 != NULL)
			{
				print_raw_v2(v2);
				if(param.store_pics)
				store_pictures(argv[i], v2);
			}
		}
		else printf("Nothing found for %s.\n", argv[i]);

		mpg123_close(m);
	}
	mpg123_delete(m);
	mpg123_exit();

	if(errors) error1("Encountered %i errors along the way.", errors);
	return errors != 0;
#if defined(WANT_WIN32_UNICODE)
	win32_cmdline_utf8_free(argc,argv);
#endif
}
Example #6
0
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;
}
Example #7
0
float* readaudio_mp3(const char *filename,long *sr, unsigned int *buflen,\
		     const float nbsecs, AudioMetaData *mdata, int *error){
  mpg123_handle *m;
  int ret = 0;
  mpg123_id3v1 *v1 = NULL;
  mpg123_id3v2 *v2 = NULL;

  if ((ret = mpg123_init()) != MPG123_OK || ((m = mpg123_new(NULL,&ret)) == NULL)|| \
      (ret = mpg123_open(m, filename)) != MPG123_OK){
    *error = (ret != 0) ? ret : PHERR_MP3NEW;
    return NULL;
  }

  /*turn off logging */
  mpg123_param(m, MPG123_ADD_FLAGS, MPG123_QUIET, 0);

  off_t totalsamples;
  
  mpg123_scan(m);
  totalsamples = mpg123_length(m);
  if (totalsamples <= 0){
    *error = PHERR_NOSAMPLES;
    return NULL;
  }
  
  int meta = mpg123_meta_check(m);

  if (mdata)init_mdata(mdata);
  if (mdata && (meta & MPG123_ID3) && mpg123_id3(m, &v1, &v2) == MPG123_OK){
    if (v2){
      get_v2_data(v2, mdata);
    } else if (v1){
      get_v1_data(v1, mdata);
    } 
  }

  int channels, encoding;
    
  if (mpg123_getformat(m, sr, &channels, &encoding) != MPG123_OK){
    *error = PHERR_NOFORMAT;
    return NULL;
  }
  
  mpg123_format_none(m);
  mpg123_format(m, *sr, channels, encoding);
  if (channels <= 0 || encoding <= 0){
    *error = PHERR_NOENCODING;
    return NULL;
  }


  size_t decbuflen = mpg123_outblock(m);
  if (decbuflen == 0){
    /* take a guess */ 
    decbuflen = 1<<16;
  }

  unsigned char *decbuf = (unsigned char*)malloc(decbuflen);  
  if (decbuf == NULL){
    *error = PHERR_MEMALLOC;
    return NULL;
  }

  unsigned int nbsamples = (nbsecs <= 0) ? totalsamples : nbsecs*(*sr);
  nbsamples = (nbsamples <= totalsamples) ? nbsamples : totalsamples;

  size_t i, j, index = 0, done;


  float *buffer = (float*)malloc(nbsamples*sizeof(float));
  if (buffer == NULL){
    *error = PHERR_MEMALLOC;
    return NULL;
  }
  *buflen = nbsamples;

  do {
    ret = mpg123_read(m, decbuf, decbuflen, &done);
    switch (encoding) {
    case MPG123_ENC_SIGNED_16 :
      for (i = 0; i < done/sizeof(short); i+=channels){
	buffer[index] = 0.0f;
	for (j = 0; j < channels ; j++){
	  buffer[index] += (float)(((short*)decbuf)[i+j])/(float)SHRT_MAX;
	}
	buffer[index++] /= channels;
	if (index >= nbsamples) break;
      }
      break;
    case MPG123_ENC_SIGNED_8:
      for (i = 0; i < done/sizeof(char); i+=channels){
	buffer[index] = 0.0f;
	for (j = 0; j < channels ; j++){
	  buffer[index] += (float)(((char*)decbuf)[i+j])/(float)SCHAR_MAX;
	}
	buffer[index++] /= channels;
	if (index >= nbsamples) break;
      }
      break;
    case MPG123_ENC_FLOAT_32:
      for (i = 0; i < done/sizeof(float); i+=channels){
	buffer[index] = 0.0f;
	for (j = 0; j < channels; j++){
	  buffer[index] += ((float*)decbuf)[i+j];
	}
	buffer[index++] /= channels;
	if (index >= nbsamples) break;
      }
      break;
    default:
	done = 0;
    }

  } while (ret == MPG123_OK && index < nbsamples);

  if (ret != MPG123_DONE && ret != MPG123_OK && index < nbsamples){
    free(buffer);
    *error = ret;
    buffer=NULL;
  }
  free(decbuf);
  mpg123_close(m);
  mpg123_delete(m);
  mpg123_exit();

  return buffer;
}
Example #8
0
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, &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
	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;
}
Example #9
0
static
float* readaudio_mp3(const char *filename,long *sr, const float nbsecs, unsigned int *buflen) {
    mpg123_handle *m;
    int ret;

    if (mpg123_init() != MPG123_OK || ((m = mpg123_new(NULL,&ret)) == NULL)|| \
            mpg123_open(m, filename) != MPG123_OK) {
        fprintf(stderr,"unable to init mpg\n");
        return NULL;
    }

    /*turn off logging */
    mpg123_param(m, MPG123_ADD_FLAGS, MPG123_QUIET, 0);

    off_t totalsamples;

    mpg123_scan(m);
    totalsamples = mpg123_length(m);

    int meta = mpg123_meta_check(m);

    int channels, encoding;

    if (mpg123_getformat(m, sr, &channels, &encoding) != MPG123_OK) {
        fprintf(stderr,"unable to get format\n");
        return NULL;
    }

    mpg123_format_none(m);
    mpg123_format(m, *sr, channels, encoding);

    size_t decbuflen = mpg123_outblock(m);
    unsigned char *decbuf = (unsigned char*)malloc(decbuflen);
    if (decbuf == NULL) {
        printf("mem alloc error\n");
        return NULL;
    }

    unsigned int nbsamples = (nbsecs <= 0) ? totalsamples : nbsecs*(*sr);
    nbsamples = (nbsamples < totalsamples) ? nbsamples : totalsamples;

    size_t i, j, index = 0, done;


    float *buffer = (float*)malloc(nbsamples*sizeof(float));
    *buflen = nbsamples;

    do {

        ret = mpg123_read(m, decbuf, decbuflen, &done);
        switch (encoding) {
        case MPG123_ENC_SIGNED_16 :
            for (i = 0; i < done/sizeof(short); i+=channels) {
                buffer[index] = 0.0f;
                for (j = 0; j < channels ; j++) {
                    buffer[index] += (float)(((short*)decbuf)[i+j])/(float)SHRT_MAX;
                }
                buffer[index++] /= channels;
                if (index >= nbsamples) break;
            }
            break;
        case MPG123_ENC_SIGNED_8:
            for (i = 0; i < done/sizeof(char); i+=channels) {
                buffer[index] = 0.0f;
                for (j = 0; j < channels ; j++) {
                    buffer[index] += (float)(((char*)decbuf)[i+j])/(float)SCHAR_MAX;
                }
                buffer[index++] /= channels;
                if (index >= nbsamples) break;
            }
            break;
        case MPG123_ENC_FLOAT_32:
            for (i = 0; i < done/sizeof(float); i+=channels) {
                buffer[index] = 0.0f;
                for (j = 0; j < channels; j++) {
                    buffer[index] += ((float*)decbuf)[i+j];
                }
                buffer[index++] /= channels;
                if (index >= nbsamples) break;
            }
            break;
        default:
            done = 0;
        }

    } while (ret == MPG123_OK && index < nbsamples);

    free(decbuf);
    mpg123_close(m);
    mpg123_delete(m);
    mpg123_exit();

    return buffer;
}