private static void ReadDataBlock(BinaryReader reader, BrwavStructure structure, bool readAudioData)
{
reader.BaseStream.Position = structure.BrstmHeader.DataBlockOffset;
RwavWaveInfo info = structure.WaveInfo;
if (reader.ReadUTF8(4) != "DATA")
{
throw new InvalidDataException("Unknown or invalid DATA block");
}
if (reader.ReadInt32() != structure.BrstmHeader.DataBlockSize)
{
throw new InvalidDataException("DATA block size in main header doesn't match size in DATA header");
}
if (!readAudioData)
{
return;
}
int audioDataLength = Common.SamplesToBytes(info.SampleCount, info.Codec);
structure.AudioData = CreateJaggedArray <byte[][]>(info.ChannelCount, audioDataLength);
int baseOffset = (int)reader.BaseStream.Position;
for (int i = 0; i < info.ChannelCount; i++)
{
reader.BaseStream.Position = baseOffset + info.Channels[i].AudioDataOffset;
structure.AudioData[i] = reader.ReadBytes(audioDataLength);
}
}
private static void ReadInfoBlock(BinaryReader reader, BrwavStructure structure)
{
reader.BaseStream.Position = structure.BrstmHeader.HeadBlockOffset;
if (reader.ReadUTF8(4) != "INFO")
{
throw new InvalidDataException("Unknown or invalid INFO block");
}
if (reader.ReadInt32() != structure.BrstmHeader.HeadBlockSize)
{
throw new InvalidDataException("HEAD block size in RWAV header doesn't match size in HEAD header");
}
RwavWaveInfo info = RwavWaveInfo.ReadBrwav(reader);
structure.WaveInfo = info;
structure.StreamInfo = info;
structure.ChannelInfo = new ChannelInfo();
structure.ChannelInfo.Channels.AddRange(info.Channels.Select(x => x.AdpcmInfo));
}
