private void WriteData(BinaryWriter writer)
{
byte[][] audio = Adpcm.Channels.Select(x => x.Audio).ToArray();
if (Configuration.EncryptionKey != null)
{
// Don't encrypt the original audio
audio = audio.Select(x => x.ToArray()).ToArray();
CriAdxEncryption.EncryptDecrypt(audio, Configuration.EncryptionKey, Configuration.EncryptionType, FrameSize);
}
audio.Interleave(writer.BaseStream, FrameSize, FrameCount * FrameSize);
}
protected override IAudioFormat ToAudioStream(AdxStructure structure)
{
if (structure.EncryptionKey != null)
{
CriAdxEncryption.EncryptDecrypt(structure.AudioData, structure.EncryptionKey, structure.Revision, structure.FrameSize);
}
var channels = new CriAdxChannel[structure.ChannelCount];
for (int i = 0; i < structure.ChannelCount; i++)
{
channels[i] = new CriAdxChannel(structure.AudioData[i], structure.HistorySamples[i][0], structure.Version);
}
return(new CriAdxFormatBuilder(channels, structure.SampleCount - structure.InsertedSamples, structure.SampleRate, structure.FrameSize, structure.HighpassFreq)
.WithLoop(structure.Looping, structure.LoopStartSample - structure.InsertedSamples, structure.LoopEndSample - structure.InsertedSamples)
.WithAlignmentSamples(structure.InsertedSamples)
.WithEncodingType(structure.EncodingType)
.Build());
}
private static CriAdxKey FindKey(AdxStructure structure)
{
return(structure.Revision == 0
? null
: CriAdxEncryption.FindKey(structure.AudioData, structure.Revision, structure.FrameSize));
}
