int Soloud::play(AudioSource &aSound, float aVolume, float aPan, int aPaused, int aBus)
{
if (aSound.mFlags & AudioSource::SINGLE_INSTANCE)
{
// Only one instance allowed, stop others
stopSound(aSound);
}
if (mLockMutexFunc) mLockMutexFunc(mMutex);
int ch = findFreeVoice();
if (ch < 0)
{
if (mUnlockMutexFunc) mUnlockMutexFunc(mMutex);
return -1;
}
if (!aSound.mAudioSourceID)
{
aSound.mAudioSourceID = mAudioSourceID;
mAudioSourceID++;
aSound.mSoloud = this;
}
mVoice[ch] = aSound.createInstance();
mVoice[ch]->mAudioSourceID = aSound.mAudioSourceID;
mVoice[ch]->mBusHandle = aBus;
mVoice[ch]->init(mPlayIndex, aSound.mBaseSamplerate, aSound.mChannels, aSound.mFlags);
mPlayIndex++;
if (aPaused)
{
mVoice[ch]->mFlags |= AudioSourceInstance::PAUSED;
}
setVoicePan(ch, aPan);
setVoiceVolume(ch, aVolume);
setVoiceRelativePlaySpeed(ch, 1);
int i;
for (i = 0; i < FILTERS_PER_STREAM; i++)
{
if (aSound.mFilter[i])
{
mVoice[ch]->mFilter[i] = aSound.mFilter[i]->createInstance();
}
}
int scratchneeded = SAMPLE_GRANULARITY * mVoice[ch]->mChannels;
mVoice[ch]->mResampleData[0]->mBuffer = new float[scratchneeded];
mVoice[ch]->mResampleData[1]->mBuffer = new float[scratchneeded];
// First buffer will be overwritten anyway; the second may be referenced by resampler
memset(mVoice[ch]->mResampleData[0]->mBuffer, 0, sizeof(float) * scratchneeded);
memset(mVoice[ch]->mResampleData[1]->mBuffer, 0, sizeof(float) * scratchneeded);
if (mUnlockMutexFunc) mUnlockMutexFunc(mMutex);
int handle = getHandleFromVoice(ch);
return handle;
}
result Soloud::setRelativePlaySpeed(handle aVoiceHandle, float aSpeed)
{
result retVal = 0;
FOR_ALL_VOICES_PRE
mVoice[ch]->mRelativePlaySpeedFader.mActive = 0;
retVal = setVoiceRelativePlaySpeed(ch, aSpeed);
FOR_ALL_VOICES_POST
return retVal;
}
