private void ReadHeader()
{
uint code = 0;
uint startCode = 0;
AlignStreamData();
code = ReadStreamData(22);
startCode = (uint)(code & ~0x1F);
if (startCode == 32)
{
if (((code & 0x1F) == 0x1F))
{
pictureComplete = true;
}
else
{
if (sliceIndex++ == 0)
{
pictureFormat = (int)ReadStreamData(2);
resolution = (int)ReadStreamData(3);
pictureType = (int)ReadStreamData(3);
quantizerMode = (int)ReadStreamData(5);
frameIndex = (int)ReadStreamData(32);
if (IsPictureFormatCif(pictureFormat))
{
width = widthCif << resolution - 1;
height = heightCif << resolution - 1;
}
else if (IsPictureFormatVGA(pictureFormat))
{
width = widthVga << resolution - 1;
height = heightVga << resolution - 1;
}
//We assume two bytes per pixel (RGB 565)
pixelRowSize = width << 1;
sliceCount = height >> 4;
blockCount = width >> 4;
if (imageSlice == null)
{
imageSlice = new ImageSlice(blockCount);
pixelData = new ushort[width * height];
internalImageSource = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgr565, null);
rectangle = new Int32Rect(0, 0, width, height);
}
else
{
if (imageSlice.MacroBlocks.Count != blockCount)
{
imageSlice = new ImageSlice(blockCount);
pixelData = new ushort[width * height];
internalImageSource = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgr565, null);
rectangle = new Int32Rect(0, 0, width, height);
}
}
}
else
{
quantizerMode = (int)ReadStreamData(5);
}
}
}
}
private void ReadHeader()
{
uint code = 0;
uint startCode = 0;
AlignStreamData();
code = ReadStreamData(22);
startCode = (uint)(code & ~0x1F);
if (startCode == 32)
{
if (((code & 0x1F) == 0x1F))
{
pictureComplete = true;
}
else
{
if (sliceIndex++ == 0)
{
pictureFormat = (int)ReadStreamData(2);
resolution = (int)ReadStreamData(3);
pictureType = (int)ReadStreamData(3);
quantizerMode = (int)ReadStreamData(5);
frameIndex = (int)ReadStreamData(32);
if (IsPictureFormatCif(pictureFormat))
{
width = widthCif << resolution - 1;
height = heightCif << resolution - 1;
}
else if (IsPictureFormatVGA(pictureFormat))
{
width = widthVga << resolution - 1;
height = heightVga << resolution - 1;
}
//We assume two bytes per pixel (RGB 565)
pixelRowSize = width << 1;
sliceCount = height >> 4;
blockCount = width >> 4;
if (imageSlice == null)
{
imageSlice = new ImageSlice(blockCount);
pixelData = new ushort[width * height];
internalImageSource = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgr565, null);
rectangle = new Int32Rect(0, 0, width, height);
}
else
{
if (imageSlice.MacroBlocks.Count != blockCount)
{
imageSlice = new ImageSlice(blockCount);
pixelData = new ushort[width * height];
internalImageSource = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgr565, null);
rectangle = new Int32Rect(0, 0, width, height);
}
}
}
else
{
quantizerMode = (int)ReadStreamData(5);
}
}
}
}
