bool NSFSoundStream::open(const std::string& fileName) {
sf::Lock lock(mutex);
if(!FileSystem::exists(fileName)) {
return false;
}
int length = 0;
auto fs = FileSystem::openFileRead(fileName);
fs->seekg (0, std::ios::end);
length = static_cast<int>(fs->tellg());
fs->seekg (0, std::ios::beg);
std::unique_ptr<char[]> nsfFileBuffer(new char[length]);
fs->read(nsfFileBuffer.get(), length);
// To honor the contract of returning false on failure,
// catch these exceptions and return false instead? Good/bad?
try {
gme_type_t file_type = gme_identify_extension(fileName.c_str());
if(!file_type) {
return false;
}
for(std::size_t i = 0; i < samplerCount; ++i) {
auto sampleEmu = std::shared_ptr<Music_Emu>(file_type->new_emu());
if(!sampleEmu) {
return false;
}
// Must set sample rate before loading data
handleError(sampleEmu->set_sample_rate(SAMPLE_RATE));
handleError(gme_load_data(sampleEmu.get(), nsfFileBuffer.get(), length));
sampleEmu->start_track(-1);
sampleEmu->ignore_silence(false);
auto sampleBuffer = std::make_shared<std::vector<short>>(masterBufferSize);
std::fill(std::begin(*sampleBuffer), std::end(*sampleBuffer), 0);
availableSamplers.push(std::make_pair(sampleEmu, sampleBuffer));
// sampleEmus.push_back(std::move(sampleEmu));
}
trackInfo.reset(new track_info_t());
} catch(std::runtime_error& ex) {
HIKARI_LOG(debug) << ex.what();
return false;
}
initialize(2, SAMPLE_RATE);
//setCurrentTrack(0);
return true;
}
MusInfo *GME_OpenSong(FILE *file, BYTE *musiccache, int len, const char *fmt)
{
gme_type_t type;
gme_err_t err;
BYTE *song;
Music_Emu *emu;
int sample_rate;
type = gme_identify_extension(fmt);
if (type == NULL)
{
return NULL;
}
sample_rate = (int)GSnd->GetOutputRate();
emu = gme_new_emu(type, sample_rate);
if (emu == NULL)
{
return NULL;
}
if (musiccache != NULL)
{
song = musiccache;
}
else
{
song = new BYTE[len];
if (fread(song, 1, len, file) != (size_t)len)
{
delete[] song;
gme_delete(emu);
return NULL;
}
}
err = gme_load_data(emu, song, len);
if (song != musiccache)
{
delete[] song;
}
if (err != NULL)
{
Printf("Failed loading song: %s\n", err);
gme_delete(emu);
return NULL;
}
return new GMESong(emu, sample_rate);
}
gme_err_t gme_open_data( void const* data, long size, Music_Emu** out, int sample_rate )
{
require( (data || !size) && out );
*out = NULL;
gme_type_t file_type = 0;
if ( size >= 4 )
file_type = gme_identify_extension( gme_identify_header( data ) );
if ( !file_type )
return blargg_err_file_type;
Music_Emu* emu = gme_new_emu( file_type, sample_rate );
CHECK_ALLOC( emu );
gme_err_t err = gme_load_data( emu, data, size );
if ( err )
delete emu;
else
*out = emu;
return err;
}