/// <summary>
/// Read a seek block.
/// </summary>
/// <param name="br">The reader.</param>
/// <param name="info">The stream info.</param>
public SoundNStreamSeekBlock(ref BinaryDataReader br, b_stm.StreamSoundInfo info, FileHeader h)
{
//Set endian.
if (h.magic[0] == 'C')
{
br.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
}
else
{
br.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
}
//Size and other useless data.
br.ReadUInt32s(2);
//New history info.
history = new HistoryInfo[info.blockCount][];
for (int i = 0; i < history.Length; i++)
{
history[i] = new HistoryInfo[info.channelCount];
for (int j = 0; j < history[i].Length; j++)
{
history[i][j] = new HistoryInfo()
{
yn1 = br.ReadInt16(),
yn2 = br.ReadInt16()
};
//Random padding.
br.ReadBytes((int)info.sizeOfSeekInfo - 4);
}
}
//Set endian.
if (h.byteOrder == ByteOrder.LittleEndian)
{
br.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
}
else
{
br.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
}
}
/// <summary>
/// Make a new region block.
/// </summary>
/// <param name="br">The reader.</param>
/// <param name="info">The stream info.</param>
public SoundNStreamRegionBlock(ref BinaryDataReader br, b_stm.StreamSoundInfo info)
{
//Block header stuff.
br.ReadUInt32s(2);
//Go to offset.
br.Position += info.regionDataOffset.offset;
//New region infos.
regions = new RegionInfo[info.regionCount];
//Read regions.
for (int i = 0; i < regions.Length; i++)
{
regions[i] = new RegionInfo()
{
start = br.ReadUInt32(),
end = br.ReadUInt32(),
loopInfo = new RegionInfo.DspAdpcmLoopInfo[info.channelCount]
};
//Read loop info.
for (int j = 0; j < info.channelCount; j++)
{
regions[i].loopInfo[j] = new RegionInfo.DspAdpcmLoopInfo()
{
loopPredScale = br.ReadUInt16(),
loopYn1 = br.ReadInt16(),
loopYn2 = br.ReadInt16()
};
}
//Read padding.
int readBytes = 8 + (info.channelCount * 6);
br.ReadBytes(info.regionInfoBytesize - readBytes);
}
}
/// <summary>
/// Get data from a b_stm.
/// </summary>
/// <param name="wavInfo"></param>
/// <returns></returns>
public object GetDataSTM(b_stm.StreamSoundInfo wavInfo, b_stm.InfoBlock info)
{
object returnValue = null;
//See encoding.
switch (wavInfo.encoding)
{
case EncodingTypes.PCM8:
return(EncoderFactory.SignedPcm8ToPcm8(pcm8));
case EncodingTypes.PCM16:
return(pcm16);
case EncodingTypes.DSP_ADPCM:
List <DspAdpcmInfo> context = new List <DspAdpcmInfo>();
foreach (b_stm.ChannelInfo c in info.channels)
{
context.Add(c.dspAdpcmInfo);
}
return(EncoderFactory.DspApcmToPcm16(dspAdpcm, wavInfo.sampleCount, context.ToArray()));
}
return(returnValue);
}
