public ExtSoundHeader(IntPtr pSH)
: this()
{
if (pSH == IntPtr.Zero)
return;
Init(ref pSH);
numFrames = (uint)Marshal.ReadInt32(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
AIFFSampleRate = new extended80(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 10);
markerChunk = Marshal.ReadIntPtr(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
instrumentChunks = Marshal.ReadIntPtr(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
AESRecording = Marshal.ReadIntPtr(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
sampleSize = (ushort)Marshal.ReadInt16(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 2);
futureUse1 = 0;
pSH = (IntPtr)(pSH.ToInt32() + 2);
futureUse2 = 0;
pSH = (IntPtr)(pSH.ToInt32() + 4);
futureUse3 = 0;
pSH = (IntPtr)(pSH.ToInt32() + 4);
futureUse4 = 0;
pSH = (IntPtr)(pSH.ToInt32() + 4);
if (IntPtr.Zero == samplePtr)
{
sampleArea = new byte[numFrames * numChannels * (sampleSize / 8)];
samplePtr = pSH;
Marshal.Copy(pSH, sampleArea, 0, (int)(numFrames * numChannels * (sampleSize / 8)));
}
}
public CmpSoundHeader(IntPtr pSH)
: this()
{
if (pSH == IntPtr.Zero)
return;
Init(ref pSH);
numFrames = (uint)Marshal.ReadInt32(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
AIFFSampleRate = new extended80(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 10);
markerChunk = Marshal.ReadIntPtr(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
format = (uint)Marshal.ReadInt32(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
futureUse2 = 0;
pSH = (IntPtr)(pSH.ToInt32() + 4);
stateVars = Marshal.ReadIntPtr(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
leftOverSamples = Marshal.ReadIntPtr(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 4);
compressionID = Marshal.ReadInt16(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 2);
packetSize = (ushort)Marshal.ReadInt16(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 2);
snthID = (ushort)Marshal.ReadInt16(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 2);
sampleSize = (ushort)Marshal.ReadInt16(pSH);
pSH = (IntPtr)(pSH.ToInt32() + 2);
if (IntPtr.Zero == samplePtr)
{
sampleArea = new byte[numFrames * numChannels * (sampleSize / 8)];
samplePtr = pSH;
Marshal.Copy(pSH, sampleArea, 0, (int)(numFrames * numChannels * (sampleSize/8)));
}
}
public uint futureUse4; /*reserved by Apple*/
public ExtSoundHeader()
: base()
{
numFrames = 0;
AIFFSampleRate = null;
markerChunk = IntPtr.Zero;
instrumentChunks = IntPtr.Zero;
AESRecording = IntPtr.Zero;
sampleSize = 0;
futureUse1 = 0;
futureUse2 = 0;
futureUse3 = 0;
futureUse4 = 0;
}
public ushort sampleSize; /*number of bits in non-compressed sample*/
public CmpSoundHeader() : base()
{
numFrames = 0;
AIFFSampleRate = null;
markerChunk = IntPtr.Zero;
format = 0;
futureUse2 = 0;
stateVars = IntPtr.Zero;
leftOverSamples = IntPtr.Zero;
compressionID = 0;
packetSize = 0;
snthID = 0;
sampleSize = 0;
}
