public static CodecToken TakePossession(Win32.AVICOMPRESSOPTIONS comprOptions)
{
CodecToken ret = new CodecToken();
ret.allocated = true;
ret.comprOptions = comprOptions;
ret.codec = Win32.decode_mmioFOURCC(comprOptions.fccHandler);
return(ret);
}
private static CodecToken DeSerializeFromByteArray(byte[] data)
{
var m = new MemoryStream(data, false);
var b = new BinaryReader(m);
Win32.AVICOMPRESSOPTIONS comprOptions = new Win32.AVICOMPRESSOPTIONS();
byte[] Format;
byte[] Parms;
try
{
comprOptions.fccType = b.ReadInt32();
comprOptions.fccHandler = b.ReadInt32();
comprOptions.dwKeyFrameEvery = b.ReadInt32();
comprOptions.dwQuality = b.ReadInt32();
comprOptions.dwBytesPerSecond = b.ReadInt32();
comprOptions.dwFlags = b.ReadInt32();
//comprOptions.lpFormat = b.ReadInt32();
comprOptions.cbFormat = b.ReadInt32();
//comprOptions.lpParms = b.ReadInt32();
comprOptions.cbParms = b.ReadInt32();
comprOptions.dwInterleaveEvery = b.ReadInt32();
Format = b.ReadBytes(comprOptions.cbFormat);
Parms = b.ReadBytes(comprOptions.cbParms);
}
catch (IOException)
{
// ran off end of array most likely
return(null);
}
finally
{
b.Close();
}
var ret = new CodecToken
{
comprOptions = comprOptions,
Format = Format,
Parms = Parms,
codec = Win32.decode_mmioFOURCC(comprOptions.fccHandler)
};
return(ret);
}
public static CodecToken CreateFromAVICOMPRESSOPTIONS(ref Win32.AVICOMPRESSOPTIONS opts)
{
CodecToken ret = new CodecToken();
ret.comprOptions = opts;
ret.codec = Win32.decode_mmioFOURCC(opts.fccHandler);
ret.Format = new byte[opts.cbFormat];
ret.Parms = new byte[opts.cbParms];
if (opts.lpFormat != IntPtr.Zero)
{
Marshal.Copy(opts.lpFormat, ret.Format, 0, opts.cbFormat);
}
if (opts.lpParms != IntPtr.Zero)
{
Marshal.Copy(opts.lpParms, ret.Parms, 0, opts.cbParms);
}
return(ret);
}
static CodecToken DeSerializeFromByteArray(byte[] data)
{
var m = new MemoryStream(data, false);
var b = new BinaryReader(m);
Win32.AVICOMPRESSOPTIONS comprOptions = new Win32.AVICOMPRESSOPTIONS();
byte[] Format;
byte[] Params;
try
{
comprOptions.fccType = b.ReadInt32();
comprOptions.fccHandler = b.ReadInt32();
comprOptions.dwKeyFrameEvery = b.ReadInt32();
comprOptions.dwQuality = b.ReadInt32();
comprOptions.dwBytesPerSecond = b.ReadInt32();
comprOptions.dwFlags = b.ReadInt32();
//comprOptions.lpFormat = b.ReadInt32();
comprOptions.cbFormat = b.ReadInt32();
//comprOptions.lpParms = b.ReadInt32();
comprOptions.cbParms = b.ReadInt32();
comprOptions.dwInterleaveEvery = b.ReadInt32();
Format = b.ReadBytes(comprOptions.cbFormat);
Params = b.ReadBytes(comprOptions.cbParms);
}
catch (IOException)
{
// ran off end of array most likely
return(null);
}
finally
{
b.Close();
}
// create unmanaged copies of Format, Params
if (comprOptions.cbFormat != 0)
{
IntPtr lpFormat = Marshal.AllocHGlobal(comprOptions.cbFormat);
Marshal.Copy(Format, 0, lpFormat, comprOptions.cbFormat);
comprOptions.lpFormat = (int)lpFormat;
}
else
{
comprOptions.lpFormat = (int)IntPtr.Zero;
}
if (comprOptions.cbParms != 0)
{
IntPtr lpParms = Marshal.AllocHGlobal(comprOptions.cbParms);
Marshal.Copy(Params, 0, lpParms, comprOptions.cbParms);
comprOptions.lpParms = (int)lpParms;
}
else
{
comprOptions.lpParms = (int)IntPtr.Zero;
}
CodecToken ret = new CodecToken();
ret.marshaled = true;
ret.comprOptions = comprOptions;
ret.codec = Win32.decode_mmioFOURCC(comprOptions.fccHandler);
return(ret);
}
