bitmapinfotest.java

FMJ（freedom media for java)是java视频开发的新选择

					
						assertEquals(f.getMaxDataLength(), b.biSizeImage);
						

					}
					else if (classes[i] == short[].class)
					{	assertEquals(f.getPixelStride(), 1);
//						if (f.getLineStride() != b.biWidth)
//							System.out.println(b.biWidth);
//						assertEquals(f.getLineStride(), b.biWidth);	// 1, 2, or 3...
//					assertEquals(f.getLineStride(), f.getPixelStride() * b.biWidth); // TODO
					
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 2);
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 6);
						else
							System.out.println(b.biSizeImage);
					
					
					

					}
					else if (classes[i] == int[].class)
					{	assertEquals(f.getPixelStride(), 0);
					//assertEquals(f.getLineStride(), f.getPixelStride() * b.biWidth); // TODO
					//assertEquals(f.getMaxDataLength(), 0);
					
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 4);
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 3);
						else
							System.out.println(b.biSizeImage);

					}
					

				}
				else if (f.getBitsPerPixel() == 32)
				{
					if (classes[i] == byte[].class)
					{	assertEquals(f.getBlueMask(), 1);	
						assertEquals(f.getGreenMask(), 2);
						assertEquals(f.getRedMask(), 3);
						
						assertEquals(f.getPixelStride(), 4);
						assertEquals(f.getLineStride(), f.getPixelStride() * b.biWidth);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage);

	
					}
					else if (classes[i] == int[].class)
					{	assertEquals(f.getBlueMask(), 0xFF);	
						assertEquals(f.getGreenMask(), 0xFF00);
						assertEquals(f.getRedMask(), 0xFF0000);
						
						assertEquals(f.getPixelStride(), 1);
						assertEquals(f.getLineStride(), f.getPixelStride() * b.biWidth);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 4);
						
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 3);
						else
							System.out.println(b.biSizeImage);
						
	
					}
					else if (classes[i] == short[].class)
					{	assertEquals(f.getBlueMask(), 1);	
						assertEquals(f.getGreenMask(), 2);
						assertEquals(f.getRedMask(), 3);
						assertEquals(f.getPixelStride(), 2);
						assertEquals(f.getLineStride(), f.getPixelStride() * b.biWidth);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 2);
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 6);
						else
							System.out.println(b.biSizeImage);
					}
				}
				else if (f.getBitsPerPixel() == 16)
				{
					assertEquals(f.getBlueMask(), 31);	
					assertEquals(f.getGreenMask(), 992);
					assertEquals(f.getRedMask(), 31744);
					
					if (classes[i] == byte[].class)
					{
						assertEquals(f.getPixelStride(), 2);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage);
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 2);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 6);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 12);
						else
							System.out.println(b.biSizeImage);
						
					}
					else if (classes[i] == short[].class)
					{
						
						assertEquals(f.getPixelStride(), 1);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 2);
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 6);
						else
							System.out.println(b.biSizeImage);
							
						
						
					}
					else if (classes[i] == int[].class)
					{
						
						assertEquals(f.getPixelStride(), 0);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 4);
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 3);
						else
							System.out.println(b.biSizeImage);
					}
					
				}
				else if (f.getBitsPerPixel() == 8 || f.getBitsPerPixel() == 12)
				{
					assertEquals(f.getBlueMask(), -1);	
					assertEquals(f.getGreenMask(), -1);
					assertEquals(f.getRedMask(), -1);
					
					if (classes[i] == byte[].class)
					{
						assertEquals(f.getPixelStride(), 1);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage);
						// same as 16-bit
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 2)
						{	//dump(b);
							assertEquals(f.getMaxDataLength(), 2);
						}
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 6);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 12);
						else
							System.out.println(b.biSizeImage);
					}
					else if (classes[i] == short[].class)
					{
						assertEquals(f.getPixelStride(), 0);
						
//						 same as 16-bit: ??
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 2);
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 6);
						else
							System.out.println(b.biSizeImage);
							
					}
					else if (classes[i] == int[].class)
					{
						assertEquals(f.getPixelStride(), 0);
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 4);
						// same as 16-bit:
						if (b.biSizeImage == 0)
						{	
							//dump(b);
							assertEquals(f.getMaxDataLength(), 0);
						}
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
						{	
							//dump(b);
							assertEquals(f.getMaxDataLength(), 0);
						}
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 3);
						else
							System.out.println(b.biSizeImage);
					}
					
				}
				else
				{	assertEquals(f.getBlueMask(), -1);	
					assertEquals(f.getGreenMask(), -1);
					assertEquals(f.getRedMask(), -1);
					
					assertEquals(f.getPixelStride(), 0);	// TODO: 0 or 1
					//assertEquals(f.getMaxDataLength(), -2); // TODO: -1 or -2

					if (classes[i] == byte[].class)
					{
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage);
						
						// same as 16-bit, except -2 case is new
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 2);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 6);
						else if (b.biSizeImage == -2)
							assertEquals(f.getMaxDataLength(), -2);
						else
							System.out.println(b.biSizeImage);
					}
					else if (classes[i] == short[].class)
					{
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 2);
//						 same as 16-bit:
						assertEquals(f.getMaxDataLength(), -1);
					}
					else if (classes[i] == int[].class)
					{
						
						assertEquals(f.getMaxDataLength(), b.biSizeImage / 4);
						
						// same as 16-bit:, except -2 case is new
						if (b.biSizeImage == 0)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 1)
							assertEquals(f.getMaxDataLength(), 0);
						else if (b.biSizeImage == 2)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 3)
							assertEquals(f.getMaxDataLength(), 1);
						else if (b.biSizeImage == 6)
							assertEquals(f.getMaxDataLength(), 3);
						else if (b.biSizeImage == 12)
							assertEquals(f.getMaxDataLength(), 6);
						else if (b.biSizeImage == -2)
							assertEquals(f.getMaxDataLength(), 0);
						else
							System.out.println("X" + b.biSizeImage);
					}
							
	
				}
				assertEquals(f.getEndian(), 1);
				assertEquals(f.getFlipped(), 1);
				//assertEquals(f.getLineStride(), -40);	// TODO: varies, sometimes -40, sometimes -20
			
				
				
			}
			else if (b.fourcc.equals("YV12"))
			{
				final YUVFormat f;
				if (j == 0)
					f = (YUVFormat) b.createVideoFormat(classes[i]);
				else
					f = (YUVFormat) b.createVideoFormat(classes[i], frameRates[j]);
				
				assertEquals(f.getEncoding(), "yuv");
				assertEquals(f.getYuvType(), YUVFormat.YUV_420);
				assertEquals(f.getDataType(), byte[].class);
				assertEquals(f.getFrameRate(), j == 0 ? -1.f : frameRates[j]);
				assertEquals(f.getSize(), new Dimension(b.biWidth, b.biHeight));
				
				assertEquals(f.getMaxDataLength(), b.biSizeImage); // sometimes 0
				assertEquals(f.getOffsetY(), 0);
				assertEquals(f.getOffsetU(), b.biWidth *  b.biHeight + (b.biWidth *  b.biHeight) / 4);	// empirically determined
				//320x240: 96000
				// 96000 - 76800 = 19200.  96000 / 76800 = 1.25
				// 
				assertEquals(f.getOffsetV(), b.biWidth *  b.biHeight);
				
				assertEquals(f.getStrideUV(), b.biWidth / 2);
				assertEquals(f.getStrideY(), b.biWidth);	
				
			}
			else
			{
				final com.sun.media.format.AviVideoFormat f;
				if (j == 0)
					f = (com.sun.media.format.AviVideoFormat) b.createVideoFormat(classes[i]);
				else
					f = (com.sun.media.format.AviVideoFormat) b.createVideoFormat(classes[i], frameRates[j]);
				assertEquals(f.getEncoding(), b.fourcc);
				assertEquals(f.getBitsPerPixel(), b.biBitCount);
				assertEquals(f.getClrImportant(), b.biClrImportant);
				assertEquals(f.getClrUsed(), b.biClrUsed);
				assertEquals(f.getCodecSpecificHeader(), b.extraBytes);
				assertEquals(f.getDataType(), classes[i]);
				assertEquals(f.getFrameRate(), j == 0 ? -1.f : frameRates[j]);
				assertEquals(f.getImageSize(), b.biSizeImage);
				assertEquals(f.getMaxDataLength(), b.biSizeImage);
				assertEquals(f.getPlanes(), b.biPlanes);
				assertEquals(f.getSize(), new Dimension(b.biWidth, b.biHeight));
				assertEquals(f.getXPelsPerMeter(), b.biXPelsPerMeter);
				assertEquals(f.getYPelsPerMeter(), b.biYPelsPerMeter);
			}
		}
		

	}
	
	
	void testRGBFormat(BitMapInfo b)
	{
		Class[] classes = new Class[] {byte[].class, short[].class, int[].class};
		float[] frameRates = new float[] {-2.f, -1.f, 0.f};
		for (int i = 0; i < classes.length; ++i)
		for (int j = 0; j < frameRates.length; ++j)
		{
			final RGBFormat f;
			if (j == 0)
				f = (RGBFormat) b.createVideoFormat(classes[i]);
			else
				f = (RGBFormat) b.createVideoFormat(classes[i], frameRates[j]);
			assertEquals(f.getEncoding(), b.fourcc.toLowerCase());
			assertEquals(f.getBitsPerPixel(), b.biBitCount);
				assertEquals(f.getDataType(), classes[i]);
			assertEquals(f.getFrameRate(), j == 0 ? -1.f : frameRates[j]);
			//assertEquals(f.getMaxDataLength(), -2);	// TODO: sometimes -1, sometimes -2
			assertEquals(f.getSize(), new Dimension(b.biWidth, b.biHeight));
		}
		

	}
	
	private void assertEquals(float f1, float f2)
	{	assertTrue(f1 == f2);
	}
}