int main( unsigned int argc, char * const argv[])
{
ID3D_INIT_DOUT();
gengetopt_args_info args;
if (cmdline_parser(argc, argv, &args) != 0)
{
exit(1);
}
#if defined ID3_ENABLE_DEBUG
if (args.warning_flag)
{
ID3D_INIT_WARNING();
ID3D_WARNING ( "warnings turned on" );
}
if (args.notice_flag)
{
ID3D_INIT_NOTICE();
ID3D_NOTICE ( "notices turned on" );
}
#endif
const char* filename = NULL;
for (size_t i = 0; i < args.inputs_num; ++i)
{
filename = args.inputs[i];
ID3_Tag myTag;
myTag.Link(filename, ID3TT_ALL);
const Mp3_Headerinfo* mp3info;
mp3info = myTag.GetMp3HeaderInfo();
cout << endl << "*** Tag information for " << filename << endl;
if (!args.assign_given)
{
PrintInformation(myTag);
}
else
{
cout << "*** Testing assignment operator" << endl;
ID3_Tag tmpTag(myTag);
PrintInformation(tmpTag);
}
if (mp3info)
{
cout << "*** mp3 info\n";
switch (mp3info->version)
{
case MPEGVERSION_2_5:
cout << "MPEG2.5/";
break;
case MPEGVERSION_2:
cout << "MPEG2/";
break;
case MPEGVERSION_1:
cout << "MPEG1/";
break;
default:
break;
}
switch (mp3info->layer)
{
case MPEGLAYER_III:
cout << "layer III\n";
break;
case MPEGLAYER_II:
cout << "layer II\n";
break;
case MPEGLAYER_I:
cout << "layer I\n";
break;
default:
break;
}
cout << "Bitrate: " << mp3info->bitrate/1000 << "KBps\n";
cout << "Frequency: " << mp3info->frequency/1000 << "KHz\n";
}
}
return 0;
}
//***************************************************************************
bool Kwave::MP3Decoder::open(QWidget *widget, QIODevice &src)
{
qDebug("MP3Decoder::open()");
metaData().clear();
Q_ASSERT(!m_source);
if (m_source) qWarning("MP3Decoder::open(), already open !");
/* open the file in readonly mode with seek enabled */
if (src.isSequential()) return false;
if (!src.open(QIODevice::ReadOnly)) {
qWarning("unable to open source in read-only mode!");
return false;
}
/* read all available ID3 tags */
ID3_Tag tag;
ID3_QIODeviceReader adapter(src);
tag.Link(adapter, static_cast<flags_t>(ID3TT_ALL));
qDebug("NumFrames = %u", Kwave::toUint(tag.NumFrames()));
/** @bug: id3lib crashes in this line on some MP3 files */
if (tag.GetSpec() != ID3V2_UNKNOWN) {
qDebug("Size = %u", Kwave::toUint(tag.Size()));
}
qDebug("HasLyrics = %d", tag.HasLyrics());
qDebug("HasV1Tag = %d", tag.HasV1Tag());
qDebug("HasV2Tag = %d", tag.HasV2Tag());
m_prepended_bytes = tag.GetPrependedBytes();
m_appended_bytes = tag.GetAppendedBytes();
qDebug("prepended=%lu, appended=%lu", m_prepended_bytes, m_appended_bytes);
const Mp3_Headerinfo *mp3hdr = tag.GetMp3HeaderInfo();
if (!mp3hdr) {
Kwave::MessageBox::sorry(widget,
i18n("The opened file is no MPEG file or it is damaged.\n"
"No header information has been found."));
return false;
}
/* parse the MP3 header */
if (!parseMp3Header(*mp3hdr, widget)) return false;
/* parse the ID3 tags */
if (!parseID3Tags(tag)) return false;
/* accept the source */
m_source = &src;
Kwave::FileInfo info(metaData());
info.set(Kwave::INF_MIMETYPE, _("audio/mpeg"));
metaData().replace(Kwave::MetaDataList(info));
// allocate a transfer buffer with 128 kB
if (m_buffer) free(m_buffer);
m_buffer_size = (128 << 10);
m_buffer = static_cast<unsigned char *>(malloc(m_buffer_size));
if (!m_buffer) return false; // out of memory :-(
return true;
}