public static Codec Find(BITMAPINFOHEADER format, Codec preferredCodec)
{
ICModeFlags flags = ICModeFlags.ICMODE_COMPRESS | ICModeFlags.ICMODE_FASTCOMPRESS;
Codec codec = Find(format, flags, preferredCodec);
if (codec != null)
{
return(codec);
}
flags = ICModeFlags.ICMODE_COMPRESS;
codec = Find(format, flags, preferredCodec);
if (codec != null)
{
return(codec);
}
flags = 0;
codec = Find(format, flags, preferredCodec);
if (codec != null)
{
return(codec);
}
return(null);
}
private static Codec Find(BITMAPINFOHEADER format, ICModeFlags flags, Codec preferredCodec)
{
int fccType = mmioStringToFOURCC("VIDC", 0);
int preferredFccHandler = 0;
if (preferredCodec != null)
preferredFccHandler = preferredCodec.FourCCHandler; }
private static Codec Find(BITMAPINFOHEADER format, ICModeFlags flags, Codec preferredCodec)
{
int fccType = mmioStringToFOURCC("VIDC", 0);
int preferredFccHandler = 0;
if (preferredCodec != null)
preferredFccHandler = preferredCodec.FourCCHandler;
IntPtr handle = ICLocate(fccType, preferredFccHandler, ref format, IntPtr.Zero, (short)flags);
GC.KeepAlive(format);
if (handle != IntPtr.Zero)
{
ICINFO icInfo = new ICINFO();
icInfo.dwSize = Marshal.SizeOf(icInfo);
if (0 == ICGetInfo(handle, ref icInfo, icInfo.dwSize))
{
ICClose(handle);
return null;
}
ICClose(handle);
return CollectionUtils.SelectFirst(
_installedCodecs,
delegate(Codec codec) { return codec.FourCCHandler == icInfo.fccHandler; });
}
return null;
}
