AudioStream *makeLoopingAudioStream(SeekableAudioStream *stream, Timestamp start, Timestamp end, uint loops) {
if (!start.totalNumberOfFrames() && (!end.totalNumberOfFrames() || end == stream->getLength())) {
return makeLoopingAudioStream(stream, loops);
} else {
if (!end.totalNumberOfFrames())
end = stream->getLength();
if (start >= end) {
warning("makeLoopingAudioStream: start (%d) >= end (%d)", start.msecs(), end.msecs());
delete stream;
return 0;
}
return makeLoopingAudioStream(new SubSeekableAudioStream(stream, start, end), loops);
}
}
ChannelHandle SoundManager::playSoundFile(Common::SeekableReadStream *wavStream, SoundType type, bool loop) {
checkReady();
if (!wavStream)
throw Common::Exception("No stream");
AudioStream *audioStream = makeAudioStream(wavStream);
if (loop) {
RewindableAudioStream *reAudStream = dynamic_cast<RewindableAudioStream *>(audioStream);
if (!reAudStream)
warning("SoundManager::playSoundFile(): The input stream cannot be rewound, this will not loop.");
else
audioStream = makeLoopingAudioStream(reAudStream, 0);
}
return playAudioStream(audioStream, type);
}
