/// <summary> 由<see cref="byte"/>陣列組成<see cref="MPEGLayer3WaveFormat"/>結構 </summary>
public static MPEGLayer3WaveFormat FromArray(byte[] datas)
{
if (datas.Length < 30)
{
throw new InvalidCastException("Invalid datas");
}
MemoryStream ms = new MemoryStream(datas);
BinaryReader reader = new BinaryReader(ms);
MPEGLayer3WaveFormat ml3wf = new MPEGLayer3WaveFormat();
ml3wf.wfx = WaveFormatEx.FromArray(reader.ReadBytes((int)WaveFormatEx.StructureSize));
ml3wf.wID = reader.ReadUInt16();
ml3wf.fdwFlags = reader.ReadUInt32();
ml3wf.nBlockSize = reader.ReadUInt16();
ml3wf.nFramesPerBlock = reader.ReadUInt16();
ml3wf.nCodecDelay = reader.ReadUInt16();
reader.Close();
ms.Dispose();
return(ml3wf);
}
/// <summary> 由<see cref="byte"/>陣列組成<see cref="WaveFormatEx"/>結構 </summary>
public static WaveFormatEx FromArray(byte[] datas)
{
if (datas.Length < 18)
{
throw new InvalidCastException("Invalid datas");
}
MemoryStream ms = new MemoryStream(datas);
BinaryReader reader = new BinaryReader(ms);
WaveFormatEx wfx = new WaveFormatEx();
wfx.wFormatTag = reader.ReadUInt16();
wfx.nChannels = reader.ReadUInt16();
wfx.nSamplesPerSec = reader.ReadUInt32();
wfx.nAvgBytesPerSec = reader.ReadUInt32();
wfx.nBlockAlign = reader.ReadUInt16();
wfx.wBitsPerSample = reader.ReadUInt16();
wfx.cbSize = reader.ReadUInt16();
reader.Close();
ms.Dispose();
return(wfx);
}
