int QueuingAudioStreamImpl::readBuffer(int16 *buffer, const int numSamples) {
Common::StackLock lock(_mutex);
int samplesDecoded = 0;
while (samplesDecoded < numSamples && !_queue.empty()) {
AudioStream *stream = _queue.front()._stream;
samplesDecoded += stream->readBuffer(buffer + samplesDecoded, numSamples - samplesDecoded);
if (stream->endOfData()) {
StreamHolder tmp = _queue.pop();
if (tmp._disposeAfterUse == DisposeAfterUse::YES)
delete stream;
}
}
return samplesDecoded;
}
void QueuingAudioStreamImpl::queueAudioStream(AudioStream *stream, DisposeAfterUse::Flag disposeAfterUse) {
assert(!_finished);
if ((stream->getRate() != getRate()) || (stream->isStereo() != isStereo()))
error("QueuingAudioStreamImpl::queueAudioStream: stream has mismatched parameters");
Common::StackLock lock(_mutex);
_queue.push(StreamHolder(stream, disposeAfterUse));
}
int QueuingAudioStreamImpl::readBuffer(int16 *buffer, const int numSamples) {
Common::StackLock lock(_mutex);
int samplesDecoded = 0;
while (samplesDecoded < numSamples && !_queue.empty()) {
AudioStream *stream = _queue.front()._stream;
samplesDecoded += stream->readBuffer(buffer + samplesDecoded, numSamples - samplesDecoded);
// Done with the stream completely
if (stream->endOfStream()) {
StreamHolder tmp = _queue.pop();
if (tmp._disposeAfterUse == DisposeAfterUse::YES)
delete stream;
continue;
}
// Done with data but not the stream, bail out
if (stream->endOfData())
break;
}
return samplesDecoded;
}
uint32 numQueuedStreams() const {
//Common::StackLock lock(_mutex);
return _queue.size();
}
virtual bool endOfStream() const { return _finished && _queue.empty(); }
virtual bool endOfData() const {
//Common::StackLock lock(_mutex);
return _queue.empty();
}
virtual bool endOfStream() const {
Common::StackLock lock(_mutex);
return _finished && _queue.empty();
}
virtual bool endOfData() const {
Common::StackLock lock(_mutex);
return _queue.empty() || _queue.front()._stream->endOfData();
}