public void clampToByteTest()
{
YuvVideoInfo info = new YuvVideoInfo();
YuvVideoHandler handler = new YuvVideoHandler();
handler.setVideo(TESTVIDEO_PATH, info);
PrivateObject param0 = new PrivateObject(handler);
YuvVideoHandler_Accessor target = new YuvVideoHandler_Accessor(param0);
int[] val = new int[] { -1, 128, 0, 255, 256, 500, int.MaxValue, int.MinValue };
byte[] expected = new byte[] { 0, 128, 0, 255, 255, 255, 255, 0};
for (int i = 0; i < expected.Length; i++)
{
byte actual;
actual = target.clampToByte(val[i]);
Assert.AreEqual(expected[i], actual);
}
}
public void convertToRGB_Black_Test()
{
YuvVideoInfo info = new YuvVideoInfo();
YuvVideoHandler handler = new YuvVideoHandler();
handler.setVideo(TESTVIDEO_PATH, info);
PrivateObject param0 = new PrivateObject(handler);
YuvVideoHandler_Accessor target = new YuvVideoHandler_Accessor(param0);
//Testing standard colors according to
//http://msdn.microsoft.com/en-us/library/windows/desktop/bb530104%28v=vs.85%29.aspx
int y = 16;
int u = 128;
int v = 128;
Color expected = Color.Black;
Color actual;
actual = target.convertToRGB(y, u, v);
Assert.AreEqual(expected.A, actual.A, "A not equal");
Assert.AreEqual(expected.R, actual.R, "R not equal");
Assert.AreEqual(expected.G, actual.G, "G not equal");
Assert.AreEqual(expected.B, actual.B, "B not equal");
}
public void writeFramesTest()
{
YuvVideoHandler_Accessor yvh = new YuvVideoHandler_Accessor();
writePath = sampleVideosPath + "\\americanFootball_352x240_125_Copy.yuv";
YuvVideoInfo info = new YuvVideoInfo();
info.path = readPath;
info.width = 352;
info.height = 240;
info.yuvFormat = YuvFormat.YUV420_IYUV;
yvh.setReadContext(readPath, info); // write context cannot be set without a valid read context
YuvVideoInfo writeinfo = new YuvVideoInfo();
writeinfo.path = writePath;
writeinfo.width = 352;
writeinfo.height = 240;
writeinfo.yuvFormat = YuvFormat.YUV420_IYUV;
yvh.setWriteContext(writePath, writeinfo);
System.Drawing.Bitmap testframe = yvh.getFrame();
System.Drawing.Bitmap[] frames = new System.Drawing.Bitmap[20];
for (int i = 0; i < frames.Length; i++)
{
frames[i] = testframe;
}
yvh.writeFrames(4, frames);
yvh.writeFrames(1000, frames); // is > totalFrames
try
{
yvh.writeFrames(-1, frames);
Assert.Fail("no exception thrown");
}
catch (Exception )
{
}
try
{
yvh.writeFrames(3, new System.Drawing.Bitmap[3]);
Assert.Fail("no exception thrown");
}
catch (Exception)
{
}
try
{
File.Delete(writePath);
}
catch (Exception )
{
}
}
public void convertToYUV_White_Test()
{
YuvVideoInfo info = new YuvVideoInfo();
YuvVideoHandler handler = new YuvVideoHandler();
handler.setVideo(TESTVIDEO_PATH, info);
PrivateObject param0 = new PrivateObject(handler);
YuvVideoHandler_Accessor target = new YuvVideoHandler_Accessor(param0);
//Testing standard colors according to
//http://msdn.microsoft.com/en-us/library/windows/desktop/bb530104%28v=vs.85%29.aspx
int y = 235;
int u = 128;
int v = 128;
byte[] actual;
actual = target.convertToYUV(Color.White);
Assert.AreEqual(y, actual[0], "Y not equal");
Assert.AreEqual(u, actual[1], "U not equal");
Assert.AreEqual(v, actual[2], "V not equal");
}
public void getFrameTest()
{
YuvVideoHandler_Accessor yvh = new YuvVideoHandler_Accessor();
YuvVideoInfo info = new YuvVideoInfo(readPath);
info.width = 352;
info.height = 240;
info.yuvFormat = YuvFormat.YUV420_IYUV;
yvh.setReadContext(readPath, info);
// yvh.setImportContext(readPath);
// dangerous to use setimportcontext here, as it initializes a
// yuv video info with the given path, without setting height/width
int i = 0;
System.Drawing.Bitmap testframe = null;
while (yvh.positionReader < yvh.readVidInfo.frameCount)
{
try
{
testframe = yvh.getFrame();
}
catch (Exception )
{
Assert.Fail("Fail to get frame +" + i);
}
if (yvh.positionReader != i + 1)
{
Assert.Fail("Reader possition is " + yvh.positionReader
+ " while supposed to be " + i + 1);
}
if (testframe == null)
{
Assert.Fail("Frame number " + i + " is null" +
" queuecount" + yvh.readQueue.Count);
}
if (testframe.Width != yvh.readVidInfo.width
|| testframe.Height != yvh.readVidInfo.height)
{
int[] param = new int[3] {i, testframe.Width,
testframe.Height};
Assert.Fail("Wrong frame size for frame "
+ param[0] + ":" + param[1]
+ "," + param[2]);
}
i++;
}
try
{
yvh.positionReader = 500;
testframe = yvh.getFrame();
Assert.Fail("no exception thrown");
}
catch (Exception )
{
}
}