const char *AUD_mixdown(AUD_Sound *sound, unsigned int start, unsigned int length, unsigned int buffersize, const char *filename, AUD_DeviceSpecs specs, AUD_Container format, AUD_Codec codec, unsigned int bitrate)
{
try {
AUD_SequencerFactory *f = dynamic_cast<AUD_SequencerFactory *>(sound->get());
f->setSpecs(specs.specs);
boost::shared_ptr<AUD_IReader> reader = f->createQualityReader();
reader->seek(start);
boost::shared_ptr<AUD_IWriter> writer = AUD_FileWriter::createWriter(filename, specs, format, codec, bitrate);
AUD_FileWriter::writeReader(reader, writer, length, buffersize);
return NULL;
}
catch(AUD_Exception& e)
{
return e.str;
}
}
const char *AUD_mixdown_per_channel(AUD_Sound *sound, unsigned int start, unsigned int length, unsigned int buffersize, const char *filename, AUD_DeviceSpecs specs, AUD_Container format, AUD_Codec codec, unsigned int bitrate)
{
try {
AUD_SequencerFactory *f = dynamic_cast<AUD_SequencerFactory *>(sound->get());
f->setSpecs(specs.specs);
std::vector<boost::shared_ptr<AUD_IWriter> > writers;
int channels = specs.channels;
specs.channels = AUD_CHANNELS_MONO;
for (int i = 0; i < channels; i++) {
std::stringstream stream;
std::string fn = filename;
size_t index = fn.find_last_of('.');
size_t index_slash = fn.find_last_of('/');
size_t index_backslash = fn.find_last_of('\\');
if ((index == std::string::npos) ||
((index < index_slash) && (index_slash != std::string::npos)) ||
((index < index_backslash) && (index_backslash != std::string::npos)))
{
stream << filename << "_" << (i + 1);
}
else {
stream << fn.substr(0, index) << "_" << (i + 1) << fn.substr(index);
}
writers.push_back(AUD_FileWriter::createWriter(stream.str(), specs, format, codec, bitrate));
}
boost::shared_ptr<AUD_IReader> reader = f->createQualityReader();
reader->seek(start);
AUD_FileWriter::writeReader(reader, writers, length, buffersize);
return NULL;
}
catch(AUD_Exception& e)
{
return e.str;
}
}
AUD_Device *AUD_openMixdownDevice(AUD_DeviceSpecs specs, AUD_Sound *sequencer, float volume, float start)
{
try {
AUD_ReadDevice *device = new AUD_ReadDevice(specs);
device->setQuality(true);
device->setVolume(volume);
AUD_SequencerFactory *f = dynamic_cast<AUD_SequencerFactory *>(sequencer->get());
f->setSpecs(specs.specs);
AUD_Handle handle = device->play(f->createQualityReader());
if (handle.get()) {
handle->seek(start);
}
return new AUD_Device(device);
}
catch(AUD_Exception&)
{
return NULL;
}
}