static ALenum warn_if_error(ALenum err, const char *desc)
{
if(err == AL_NO_ERROR)
return err;
errorstream<<"WARNING: "<<desc<<": "<<alErrorString(err)<<std::endl;
return err;
}
int Sound_Buffer::Loader::function() {
#ifndef DISABLE_AL
std::pair<ALuint, float> loaded_ogg = load_ogg_vorbis(m_filename);
//if(loaded_ogg.first == AL_NONE)
// loaded_ogg.first = alutCreateBufferFromFile(m_filename.c_str());
if(loaded_ogg.first == AL_NONE) {
std::cerr << "OpenAL error on '" << m_filename << "': " << alErrorString(alGetError()) << std::endl;
return -1;
}
m_buffer = loaded_ogg.first;
m_duration = loaded_ogg.second;
#endif
return 0;
}
Sound_Buffer::Sound_Buffer()
: m_buffer(AL_NONE),
m_loader(0),
m_thread(0)
{
#ifndef DISABLE_AL
Sound &sr = get_Sound();
if(dynamic_cast<Sound_AL *>(&sr)) {
alGenBuffers(1, &m_buffer);
if(m_buffer == AL_NONE) {
std::cerr << "OpenAL error on alGenBuffers: " << alErrorString(alGetError()) << std::endl;
throw Sound_Buffer_Init_Failure();
}
char buffer[64];
memset(buffer, 0, sizeof(buffer));
alBufferData(m_buffer, AL_FORMAT_MONO16, buffer, sizeof(buffer), 22050);
}
#endif
}
SoundBuffer* loadOggFile(const std::string &filepath)
{
int endian = 0; // 0 for Little-Endian, 1 for Big-Endian
int bitStream;
long bytes;
char array[BUFFER_SIZE]; // Local fixed size array
vorbis_info *pInfo;
OggVorbis_File oggFile;
// Do a dumb-ass static string copy for old versions of ov_fopen
// because they expect a non-const char*
char nonconst[10000];
snprintf(nonconst, 10000, "%s", filepath.c_str());
// Try opening the given file
//if(ov_fopen(filepath.c_str(), &oggFile) != 0)
if(ov_fopen(nonconst, &oggFile) != 0)
{
infostream<<"Audio: Error opening "<<filepath<<" for decoding"<<std::endl;
return NULL;
}
SoundBuffer *snd = new SoundBuffer;
// Get some information about the OGG file
pInfo = ov_info(&oggFile, -1);
// Check the number of channels... always use 16-bit samples
if(pInfo->channels == 1)
snd->format = AL_FORMAT_MONO16;
else
snd->format = AL_FORMAT_STEREO16;
// The frequency of the sampling rate
snd->freq = pInfo->rate;
// Keep reading until all is read
do
{
// Read up to a buffer's worth of decoded sound data
bytes = ov_read(&oggFile, array, BUFFER_SIZE, endian, 2, 1, &bitStream);
if(bytes < 0)
{
ov_clear(&oggFile);
infostream<<"Audio: Error decoding "<<filepath<<std::endl;
return NULL;
}
// Append to end of buffer
snd->buffer.insert(snd->buffer.end(), array, array + bytes);
} while (bytes > 0);
alGenBuffers(1, &snd->buffer_id);
alBufferData(snd->buffer_id, snd->format,
&(snd->buffer[0]), snd->buffer.size(),
snd->freq);
ALenum error = alGetError();
if(error != AL_NO_ERROR){
infostream<<"Audio: OpenAL error: "<<alErrorString(error)
<<"preparing sound buffer"<<std::endl;
}
infostream<<"Audio file "<<filepath<<" loaded"<<std::endl;
// Clean up!
ov_clear(&oggFile);
return snd;
}
SoundBuffer *load_opened_ogg_file(OggVorbis_File *oggFile,
const std::string &filename_for_logging)
{
int endian = 0; // 0 for Little-Endian, 1 for Big-Endian
int bitStream;
long bytes;
char array[BUFFER_SIZE]; // Local fixed size array
vorbis_info *pInfo;
SoundBuffer *snd = new SoundBuffer;
// Get some information about the OGG file
pInfo = ov_info(oggFile, -1);
// Check the number of channels... always use 16-bit samples
if(pInfo->channels == 1)
snd->format = AL_FORMAT_MONO16;
else
snd->format = AL_FORMAT_STEREO16;
// The frequency of the sampling rate
snd->freq = pInfo->rate;
// Keep reading until all is read
do
{
// Read up to a buffer's worth of decoded sound data
bytes = ov_read(oggFile, array, BUFFER_SIZE, endian, 2, 1, &bitStream);
if(bytes < 0)
{
ov_clear(oggFile);
infostream << "Audio: Error decoding "
<< filename_for_logging << std::endl;
return NULL;
}
// Append to end of buffer
snd->buffer.insert(snd->buffer.end(), array, array + bytes);
} while (bytes > 0);
alGenBuffers(1, &snd->buffer_id);
alBufferData(snd->buffer_id, snd->format,
&(snd->buffer[0]), snd->buffer.size(),
snd->freq);
ALenum error = alGetError();
if(error != AL_NO_ERROR){
infostream<<"Audio: OpenAL error: "<<alErrorString(error)
<<"preparing sound buffer"<<std::endl;
}
infostream << "Audio file "
<< filename_for_logging << " loaded" << std::endl;
// Clean up!
ov_clear(oggFile);
return snd;
}
