public static void TestConstructor()
{
using (Media.Codecs.Image.Image image = new Codecs.Image.Image(Media.Codecs.Image.ImageFormat.RGB(8), 1, 1))
{
if (image.SampleCount != 1)
{
throw new System.InvalidOperationException();
}
if (image.Data.Count != image.Width * image.Height * image.MediaFormat.Length)
{
throw new System.InvalidOperationException();
}
}
}
public static void TestConversionRGAB()
{
Codecs.Image.ImageFormat weird = new Codecs.Image.ImageFormat(Common.Binary.ByteOrder.Little, Codec.DataLayout.Packed, new Codec.MediaComponent[]
{
new Codec.MediaComponent((byte)'r', 10),
new Codec.MediaComponent((byte)'g', 10),
new Codec.MediaComponent((byte)'a', 2),
new Codec.MediaComponent((byte)'b', 10),
});
//Create the source image
using (Media.Codecs.Image.Image rgbImage = new Codecs.Image.Image(weird, 8, 8))
{
//Create the ImageFormat based on YUV packed but in Planar format with a full height luma plane and half hight chroma planes
Media.Codecs.Image.ImageFormat Yuv420P = new Codecs.Image.ImageFormat(Media.Codecs.Image.ImageFormat.YUV(8, Common.Binary.ByteOrder.Little, Codec.DataLayout.Planar), new int[] { 0, 1, 1 });
if (Yuv420P.IsInterleaved)
{
throw new System.Exception("IsInterleaved should be false");
}
if (Yuv420P.HasAlphaComponent)
{
throw new System.Exception("HasAlphaComponent should be false");
}
if (false == rgbImage.ImageFormat.HasAlphaComponent)
{
throw new System.Exception("HasAlphaComponent should be true");
}
if (rgbImage.ImageFormat.AlphaComponent.Size != 2)
{
throw new System.Exception("AlphaComponent.Size should be 2 (bits)");
}
//ImageFormat could be given directly to constructor here
//Create the destination image
using (Media.Codecs.Image.Image yuvImage = new Codecs.Image.Image(Yuv420P, 8, 8))
{
//Cache the data of the source before transformation
byte[] left = rgbImage.Data.ToArray(), right;
//Transform RGB to YUV
using (Media.Codecs.Image.ImageTransformation it = new Media.Codecs.Image.Transformations.RGB(rgbImage, yuvImage))
{
it.Transform();
//Yuv Data
//left = dest.Data.ToArray();
}
//Transform YUV to RGB
using (Media.Codecs.Image.ImageTransformation it = new Media.Codecs.Image.Transformations.YUV(yuvImage, rgbImage))
{
it.Transform();
//Rgb Data
right = rgbImage.Data.ToArray();
}
//Compare the two sequences
if (false == left.SequenceEqual(right))
{
throw new System.InvalidOperationException();
}
}
//Done with the format.
Yuv420P = null;
}
}
//Averages around 100 msec, 0.1 sec, still 60 times would be 600 msec or .6 seconds, just fast enough
public static void TestUnsafeConversionRGB()
{
int testHeight = 1920, testWidth = 1080;
System.DateTime start = System.DateTime.UtcNow, end;
Codecs.Image.Image yuvImage;
//Create the source image
using (Media.Codecs.Image.Image rgbImage = new Codecs.Image.Image(Media.Codecs.Image.ImageFormat.RGB(8), testWidth, testHeight))
{
if (rgbImage.ImageFormat.HasAlphaComponent)
{
throw new System.Exception("HasAlphaComponent should be false");
}
//Create the ImageFormat based on YUV packed but in Planar format with a full height luma plane and half hight chroma planes
Media.Codecs.Image.ImageFormat Yuv420P = new Codecs.Image.ImageFormat(Media.Codecs.Image.ImageFormat.YUV(8, Common.Binary.ByteOrder.Little, Codec.DataLayout.Planar), new int[] { 0, 1, 1 });
if (Yuv420P.IsInterleaved)
{
throw new System.Exception("IsInterleaved should be false");
}
if (Yuv420P.HasAlphaComponent)
{
throw new System.Exception("HasAlphaComponent should be false");
}
//ImageFormat could be given directly to constructor here
//Create the destination image
//Cache the data of the source before transformation
byte[] left = rgbImage.Data.ToArray(), right;
//Transform RGB to YUV
start = System.DateTime.UtcNow;
unsafe
{
fixed(byte *ptr = rgbImage.Data.Array)
{
yuvImage = new Codecs.Image.Image(Yuv420P, testWidth, testHeight, Media.Codecs.Image.ColorConversions.RGBToYUV420Managed(rgbImage.Width, rgbImage.Height, (System.IntPtr)ptr));
}
}
end = System.DateTime.UtcNow;
System.Console.WriteLine("Took: " + (end - start).TotalMilliseconds.ToString() + " ms");
//Transform YUV to RGB
start = System.DateTime.UtcNow;
//it.Transform();
Media.Codecs.Image.ColorConversions.YUV2RGBManaged(yuvImage.Data.Array, rgbImage.Data.Array, rgbImage.Width >> 1, rgbImage.Height >> 1);
end = System.DateTime.UtcNow;
System.Console.WriteLine("Took: " + (end - start).TotalMilliseconds.ToString() + " ms");
//Rgb Data
right = rgbImage.Data.ToArray();
//Compare the two sequences
//if (false == left.SequenceEqual(right)) throw new System.InvalidOperationException();
//Done with the format.
Yuv420P = null;
}
}