// ========================================================================================================================================
#region Start / Stop
void StartFMODSound(int sampleRate)
{
this.StopFMODSound();
FMOD.CREATESOUNDEXINFO exinfo = new FMOD.CREATESOUNDEXINFO();
// exinfo.cbsize = sizeof(FMOD.CREATESOUNDEXINFO);
exinfo.numchannels = this.unityOAFRChannels; /* Number of channels in the sound. */
exinfo.defaultfrequency = sampleRate; /* Default playback rate of sound. */
exinfo.decodebuffersize = (uint)this.unityOAFRDataLength; /* Chunk size of stream update in samples. This will be the amount of data passed to the user callback. */
exinfo.length = (uint)(exinfo.defaultfrequency * exinfo.numchannels * this.elementSize); /* Length of PCM data in bytes of whole song (for Sound::getLength) */
exinfo.format = FMOD.SOUND_FORMAT.PCM16; /* Data format of sound. */
exinfo.pcmreadcallback = this.pcmreadcallback; /* User callback for reading. */
exinfo.pcmsetposcallback = this.pcmsetposcallback; /* User callback for seeking. */
result = system.createSound(""
, FMOD.MODE.OPENUSER
| FMOD.MODE.CREATESTREAM
| FMOD.MODE.LOOP_NORMAL
, ref exinfo
, out sound);
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, null, "system.createSound");
AudioStreamSupport.LOG(LogLevel.DEBUG, this.logLevel, this.gameObjectName, null, "About to play...");
result = system.playSound(sound, null, false, out channel);
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, null, "system.playSound");
}
// ========================================================================================================================================
#region user support
public void SetOutput(int _outputDriverID)
{
AudioStreamSupport.LOG(LogLevel.INFO, this.logLevel, this.gameObjectName, null, "Setting output to driver {0} ", _outputDriverID);
result = system.setDriver(_outputDriverID);
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, null, "system.setDriver");
this.outputDriverID = _outputDriverID;
}
// ========================================================================================================================================
#region Unity lifecycle
void Start()
{
this.gameObjectName = this.gameObject.name;
result = FMOD.Factory.System_Create(out system);
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, null, "FMOD.Factory.System_Create");
result = system.getVersion(out version);
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, null, "system.getVersion");
if (version < FMOD.VERSION.number)
{
var msg = string.Format("FMOD lib version {0} doesn't match header version {1}", version, FMOD.VERSION.number);
throw new System.Exception(msg);
}
int rate;
FMOD.SPEAKERMODE sm;
int sc;
result = system.getSoftwareFormat(out rate, out sm, out sc);
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, null, "system.getSoftwareFormat");
AudioStreamSupport.LOG(LogLevel.INFO, this.logLevel, this.gameObjectName, null, "FMOD samplerate: {0}, speaker mode: {1}, num. of raw speakers {2}", rate, sm, sc);
// TODO: evaluate maxchannels
result = system.init(32, FMOD.INITFLAGS.NORMAL, extradriverdata);
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, null, "system.init");
this.SetOutput(this.outputDriverID);
/* tags ERR_FILE_COULDNOTSEEK:
* http://stackoverflow.com/questions/7154223/streaming-mp3-from-internet-with-fmod
* http://www.fmod.org/docs/content/generated/FMOD_System_SetFileSystem.html
*/
// result = system.setFileSystem(null, null, null, null, null, null, -1);
// ERRCHECK(result, "system.setFileSystem");
// Explicitly create the delegate object and assign it to a member so it doesn't get freed
// by the garbage collected while it's being used
this.pcmreadcallback = new FMOD.SOUND_PCMREADCALLBACK(PCMReadCallback);
this.pcmsetposcallback = new FMOD.SOUND_PCMSETPOSCALLBACK(PCMSetPosCallback);
this.elementSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(System.Int16));
// decodebuffersize samples worth of bytes will be called in read callback
// createSound calls back, too
this.pcmReadCallbackBuffer = new List <List <byte> >();
this.pcmReadCallbackBuffer.Add(new List <byte>());
this.pcmReadCallbackBuffer.Add(new List <byte>());
}
// ========================================================================================================================================
#region Support
protected void ERRCHECK(FMOD.RESULT result, string customMessage, bool throwOnError = true)
{
this.lastError = result;
AudioStreamSupport.ERRCHECK(result, this.logLevel, this.gameObjectName, this.OnError, customMessage, throwOnError);
}
