private static void SourcePlayAsync(CompressedSoundSource source)
{
Task.Run(async() =>
{
var playMe = await source.ReadyToPlay.Task;
if (playMe)
{
AudioLayer.SourcePlay(source.SoundInstance.Source);
}
});
}
private static void SourcePrepare(CompressedSoundSource source)
{
source.compressedSoundStream.Position = 0;
source.begin = true;
source.currentPacketIndex = 0;
source.startPktSampleIndex = 0;
source.endPktSampleIndex = 0;
source.endPacketIndex = source.numberOfPackets;
PlayRange range;
lock (source.rangeLock)
{
range = source.playRange;
}
if (range.Start != TimeSpan.Zero || range.Length != TimeSpan.Zero)
{
var frameSize = SamplesPerFrame * source.channels;
//ok we need to handle this case properly, this means that the user wants to use a different then full audio stream range...
var sampleStart = source.sampleRate * (double)source.channels * range.Start.TotalSeconds;
source.startPktSampleIndex = (int)Math.Floor(sampleStart) % (frameSize);
var sampleStop = source.sampleRate * (double)source.channels * range.End.TotalSeconds;
source.endPktSampleIndex = frameSize - (int)Math.Floor(sampleStart) % frameSize;
var skipCounter = source.startingPacketIndex = (int)Math.Floor(sampleStart / frameSize);
source.endPacketIndex = (int)Math.Floor(sampleStop / frameSize);
// skip to the starting packet
if (source.startingPacketIndex < source.numberOfPackets && source.endPacketIndex < source.numberOfPackets && source.startingPacketIndex < source.endPacketIndex)
{
//valid offsets.. process it
while (skipCounter-- > 0)
{
//skip data to reach starting packet
var len = source.reader.ReadInt16();
source.compressedSoundStream.Position = source.compressedSoundStream.Position + len;
source.currentPacketIndex++;
}
}
}
}
private static void SourcePrepare(CompressedSoundSource source)
{
source.compressedSoundStream.Position = 0;
source.begin = true;
source.currentPacketIndex = 0;
source.startPktSampleIndex = 0;
source.endPktSampleIndex = 0;
source.endPacketIndex = source.numberOfPackets;
PlayRange range;
lock (source.rangeLock)
{
range = source.playRange;
}
if (range.Start != TimeSpan.Zero || range.Length != TimeSpan.Zero)
{
var frameSize = SamplesPerFrame * source.channels;
//ok we need to handle this case properly, this means that the user wants to use a different then full audio stream range...
var sampleStart = source.sampleRate * (double)source.channels * range.Start.TotalSeconds;
source.startPktSampleIndex = (int)Math.Floor(sampleStart) % (frameSize);
var sampleStop = source.sampleRate * (double)source.channels * range.End.TotalSeconds;
source.endPktSampleIndex = frameSize - (int)Math.Floor(sampleStart) % frameSize;
var skipCounter = source.startingPacketIndex = (int)Math.Floor(sampleStart / frameSize);
source.endPacketIndex = (int)Math.Floor(sampleStop / frameSize);
// skip to the starting packet
if (source.startingPacketIndex < source.numberOfPackets && source.endPacketIndex < source.numberOfPackets && source.startingPacketIndex < source.endPacketIndex)
{
//valid offsets.. process it
while (skipCounter-- > 0)
{
//skip data to reach starting packet
var len = source.reader.ReadInt16();
source.compressedSoundStream.Position = source.compressedSoundStream.Position + len;
source.currentPacketIndex++;
}
}
}
}
private static void SourcePlayAsync(CompressedSoundSource source)
{
Task.Run(async () =>
{
var playMe = await source.ReadyToPlay.Task;
if(playMe) AudioLayer.SourcePlay(source.SoundInstance.Source);
});
}
