mp3utils.cc

PIXIL is a small footprint operating environment, complete with PDA PIM applications, a browser and

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 * General Public License version 2.                                    
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 * Software Foundation and appearing in the file LICENSE.GPL included   
 * in the packaging of this file.                                      
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 */

////////////////////////////////////////////////////////////////////////////////
// MP3 Utility Methods
////////////////////////////////////////////////////////////////////////////////

#include "mp3utils.h"
#define HAVE_PTHREAD_H
#include "mpegsound.h"

void
Mp3Utils::strman(char *str, int max)
{
    int i;

    str[max] = 0;

    for (i = max - 1; i >= 0; i--)
	if (((unsigned char) str[i]) < 26 || str[i] == ' ')
	    str[i] = 0;
	else
	    break;
}

//--------------------------------------------------------------------------------

void
Mp3Utils::stripfilename(char *dtr, char *str, int max)
{
    char *ss;
    int p = 0, s = 0;

    for (; str[p]; p++)
	if (str[p] == '/') {
	    p++;
	    s = p;
	}

    ss = str + s;
    for (p = 0; p < max && ss[p]; p++)
	dtr[p] = ss[p];
    dtr[p] = 0;
}

//--------------------------------------------------------------------------------

// Parse out MP3 title, etc.
void
Mp3Utils::parseID3(char *path, char *title)
{

    Soundinputstream *fp;

    int err;

    fp = Soundinputstream::hopen(path, &err);

    int tryflag = 0;

    fp->setposition(fp->getsize() - 128);

    for (;;) {
	if (fp->getbytedirect() == 0x54) {
	    if (fp->getbytedirect() == 0x41) {
		if (fp->getbytedirect() == 0x47) {
		    fp->_readbuffer(title, 30);
		    strman(title, 30);
		    //fp->_readbuffer(data->artist  ,30);strman(data->artist,  30);
		    //fp->_readbuffer(data->album   ,30);strman(data->album,   30);
		    //fp->_readbuffer(data->year    , 7);strman(data->year,     7);
		    //fp->_readbuffer(data->comment ,30);strman(data->comment, 30);

		    break;
		}
	    }
	}

	tryflag++;
	if (tryflag == 1) {
	    fp->setposition(fp->getsize() - 125);	// for mpd 0.1, Sorry..
	} else {
	    stripfilename(title, path, 1024);

	    break;
	}
    }
    fp->setposition(0);

}