public void YV12ConfigResizeTest()
{
YV12_BUFFER_CONFIG srcConfig = new YV12_BUFFER_CONFIG();
int result = yv12config.vp8_yv12_alloc_frame_buffer(ref srcConfig, 640, 480, 0);
Assert.Equal(0, result);
Assert.True(srcConfig.buffer_alloc != null);
Assert.True(srcConfig.buffer_alloc_sz > 0);
// The native memory buffer must be released before re-using a YV12 buffer with a different size.
yv12config.vp8_yv12_de_alloc_frame_buffer(ref srcConfig);
Assert.True(srcConfig.buffer_alloc == null);
Assert.Equal(0UL, srcConfig.buffer_alloc_sz);
// Re-uses the same buffer but with a different size frame.
int reallocResult = yv12config.vp8_yv12_alloc_frame_buffer(ref srcConfig, 1280, 720, 0);
Assert.Equal(0, reallocResult);
Assert.True(srcConfig.buffer_alloc != null);
Assert.True(srcConfig.buffer_alloc_sz > 0);
yv12config.vp8_yv12_de_alloc_frame_buffer(ref srcConfig);
}
/* note the extension is only for the last row, for intra prediction purpose */
public static void vp8_extend_mb_row(YV12_BUFFER_CONFIG ybf, byte *YPtr,
byte *UPtr, byte *VPtr)
{
int i;
YPtr += ybf.y_stride * 14;
UPtr += ybf.uv_stride * 6;
VPtr += ybf.uv_stride * 6;
for (i = 0; i < 4; ++i)
{
YPtr[i] = YPtr[-1];
UPtr[i] = UPtr[-1];
VPtr[i] = VPtr[-1];
}
YPtr += ybf.y_stride;
UPtr += ybf.uv_stride;
VPtr += ybf.uv_stride;
for (i = 0; i < 4; ++i)
{
YPtr[i] = YPtr[-1];
UPtr[i] = UPtr[-1];
VPtr[i] = VPtr[-1];
}
}
public void YV12ConfigAllocateTest()
{
YV12_BUFFER_CONFIG srcConfig = new YV12_BUFFER_CONFIG();
int result = yv12config.vp8_yv12_alloc_frame_buffer(ref srcConfig, 640, 480, 0);
Assert.Equal(0, result);
yv12config.vp8_yv12_de_alloc_frame_buffer(ref srcConfig);
}
public void YV12ConfigCopyTest()
{
YV12_BUFFER_CONFIG srcConfig = new YV12_BUFFER_CONFIG();
int result = yv12config.vp8_yv12_alloc_frame_buffer(ref srcConfig, 640, 480, 0);
Assert.Equal(0, result);
YV12_BUFFER_CONFIG dstConfig = srcConfig;
Assert.Equal(srcConfig, dstConfig);
//yv12config.vp8_yv12_de_alloc_frame_buffer(ref dstConfig);
}