bool SoundData::load(const std::string & filename)
{
byte signature[4];
bool isWav = false;
FILE* fp = fopen(filename.c_str(), "rb");
if (!fp)
{
return false;
}
fread(signature, 1, 4, fp);
fclose(fp);
if (signature[0] == 'R' &&
signature[1] == 'I' &&
signature[2] == 'F' &&
signature[3] == 'F')
{
isWav = true;
}
return isWav ? loadWav(filename) : loadOgg(filename);
}
int Audio::load(Path file){
// Variables to load into.
if(!os().fileExists(file)){
logs().audio.write("[AudioObject] Error, file '"+file.getRelative()+"' doesn't exist");
console().write("audio error: file '"+file.getRelative()+"' doesn't exist");
return -1;
}
for(int i=0; i<sources.size(); i++){
if(sources[i]->filename==file){
console().write("NOTE: the file "+file.getRelative()+" was already loaded as another audio object. This is not an error, but may not be what was intended");
}
}
String filetype=file.getExtension();
if(filetype=="wav"){
if(hardware.audio){
return loadWav(file);
}else{
return loadFakeWav(file);
}
}else if(filetype=="ogg"){
#ifdef FEATURE_OGG
if(hardware.audio){
#ifdef OGG_STREAM
return loadOggStream(file);
#else
return loadOgg(file);
#endif
}else{
return loadFakeOgg(file);
}
#else
console().write("audio error: this version of the engine can't open oggs");
return -1;
#endif
}else{
logs().audio.write("[AudioObject] error: unknown filetype '"+filetype+"' for file '"+file.getRelative()+"'");
console().write("audio error: unknown filetype '"+filetype+"' for file '"+file.getRelative()+"'");
return -1;
}
}
bool SoundData::load(const byte * buffer, Uint32 bufferSize)
{
if (!buffer || bufferSize == 0)
{
return false;
}
if (buffer[0] == 'R' &&
buffer[1] == 'I' &&
buffer[2] == 'F' &&
buffer[3] == 'F')
{
return loadWav(buffer, bufferSize);
}
return loadOgg(buffer, bufferSize);
}
unsigned OpenALAudio::load( const fs::path &filename )
{
ALuint bufferId = 0;
alGenBuffers( 1, &bufferId );
FILE *file = fopen( filename.string().c_str(), "rb" );
if ( !file )
throw OpenALAudioExc( "Error opening " + filename.string() );
string extension = filename.extension().string();
if ( extension == ".ogg" )
{
loadOgg( filename, file, bufferId );
}
else
{
throw OpenALAudioExc( "Unknown file format " + extension );
}
return bufferId;
}
SoundManager::SoundManager(QString soundDirectory)
{
QString applicationDirectory;
QString completeSoundDirectory;
char cwd[PATH_MAX];
// Initialize ALUT.
if (alutInit(NULL, NULL) == false) {
reportALUTError(alutGetError());
}
// Get the complete application directory in which we will load sounds from.
// We convert to QString since it is more convenient when working with directories.
getcwd(cwd, PATH_MAX);
applicationDirectory = QString(cwd);
// Append the assets directory and the actual sounds directory name.
completeSoundDirectory = applicationDirectory
.append("/app/native/assets/")
.append(soundDirectory);
// Create OpenAL buffers from all files in the sound directory.
QDir dir(completeSoundDirectory);
if (!dir.exists()) {
qDebug() << "Cannot find the sounds directory." << completeSoundDirectory;
} else {
// Set a filter for file listing, only files should be listed.
dir.setFilter(QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot);
// Get a directory listing.
QFileInfoList list = dir.entryInfoList();
// Traverse and load all the audio files into buffers.
for (int i = 0; i < list.size(); ++i) {
// Create a file info for each audio file.
QFileInfo fileInfo = list.at(i);
const char* path = fileInfo.absoluteFilePath().toStdString().c_str();
ALenum error;
// Generate buffers to hold audio data.
alGenBuffers(1, &mSoundBuffers[fileInfo.fileName()]);
error = alGetError();
if (error != AL_NO_ERROR) {
reportOpenALError(error);
break;
}
// Load sound file.
FILE* file = fopen(path, "rb");
if (!file) {
qDebug() << "Failed to load audio file " << path;
break;
}
// Read the file header
char header[12];
ALuint bufferId = mSoundBuffers[fileInfo.fileName()];
if (fread(header, 1, 12, file) != 12) {
qDebug() << "Invalid header for audio file " << path;
alDeleteBuffers(1, &bufferId);
goto cleanup;
}
// Check the file format & load the buffer with audio data.
if (memcmp(header, "RIFF", 4) == 0) {
if (!loadWav(file, bufferId)) {
qDebug() << "Invalid wav file: " << path;
alDeleteBuffers(1, &bufferId);
goto cleanup;
}
}
else if (memcmp(header, "OggS", 4) == 0) {
if (!loadOgg(file, bufferId)) {
qDebug() << "Invalid ogg file: " << path;
alDeleteBuffers(1, &bufferId);
goto cleanup;
}
}
else {
qDebug() << "Unsupported audio file: " << path;
goto cleanup;
}
cleanup:
if (file) {
fclose(file);
}
}
}
// Generate a number of sources used to attach buffers and play.
alGenSources(SOUNDMANAGER_MAX_NBR_OF_SOURCES, mSoundSources);
ALenum error = alGetError();
if (error != AL_NO_ERROR) {
reportOpenALError(error);
}
}
Stream::Stream(const Stream &obj)
{
loadOgg(obj.sound.c_str());
if (obj.playing())
play();
}