public void HandleBlock(string type, MLVTypes.mlv_rawi_hdr_t header, byte[] raw_data, int raw_pos, int raw_length)
{
RawiHeader = header;
if (FileHeader.videoClass != 0x01)
{
return;
}
for (int pos = 0; pos < camMatrix.Length; pos++)
{
camMatrix[pos] = (float)header.raw_info.color_matrix1[2 * pos] / (float)header.raw_info.color_matrix1[2 * pos + 1];
}
Bitunpack.BitsPerPixel = header.raw_info.bits_per_pixel;
Debayer.Saturation = 0.12f;
Debayer.Brightness = 1;
Debayer.BlackLevel = header.raw_info.black_level;
Debayer.WhiteLevel = header.raw_info.white_level;
Debayer.CamMatrix = camMatrix;
/* simple fix to overcome a mlv_dump misbehavior. it simply doesnt scale white and black level when changing bit depth */
while (Debayer.WhiteLevel > (1 << header.raw_info.bits_per_pixel))
{
Debayer.BlackLevel >>= 1;
Debayer.WhiteLevel >>= 1;
}
PixelData = new ushort[header.yRes, header.xRes];
RGBData = new float[header.yRes, header.xRes, 3];
CurrentFrame = new System.Drawing.Bitmap(RawiHeader.xRes, RawiHeader.yRes, PixelFormat.Format24bppRgb);
LockBitmap = new LockBitmap(CurrentFrame);
}
private MLVTypes.mlv_rawi_hdr_t ReadFooter()
{
MLVTypes.mlv_rawi_hdr_t rawi = new MLVTypes.mlv_rawi_hdr_t();
int fileNum = FileNames.Length - 1;
int headerSize = Marshal.SizeOf(typeof(lv_rec_file_footer_t));
byte[] buf = new byte[headerSize];
Reader[fileNum].BaseStream.Position = Reader[fileNum].BaseStream.Length - headerSize;
if (Reader[fileNum].Read(buf, 0, headerSize) != headerSize)
{
throw new ArgumentException();
}
Reader[fileNum].BaseStream.Position = 0;
string type = Encoding.UTF8.GetString(buf, 0, 4);
if (type != "RAWM")
{
throw new ArgumentException();
}
Footer = RAWHelper.ReadStruct <lv_rec_file_footer_t>(buf);
/* now forge necessary information */
rawi.raw_info = Footer.raw_info;
rawi.xRes = (ushort)Footer.xRes;
rawi.yRes = (ushort)Footer.yRes;
FrameBuffer = new byte[Footer.frameSize];
rawi.blockType = "RAWI";
rawi.blockSize = (uint)Marshal.SizeOf(rawi);
return(rawi);
}
public RAWReader(string fileName, MLVBlockHandler handler)
{
Handler = handler;
/* ensure that we load the main file first */
fileName = fileName.Substring(0, fileName.Length - 2) + "AW";
/* load files and build internal index */
OpenFiles(fileName);
if (FileNames == null)
{
throw new FileNotFoundException("File '" + fileName + "' does not exist.");
}
RawiHeader = ReadFooter();
BuildIndex();
/* fill with dummy values */
FileHeader.fileMagic = "MLVI";
FileHeader.audioClass = 0;
FileHeader.videoClass = 1;
FileHeader.blockSize = (uint)Marshal.SizeOf(FileHeader);
}
