void convertFromVASurface(VASurfaceID surface, Size size, OutputArray dst)
{
(void)surface; (void)dst; (void)size;
#if !defined(HAVE_VAAPI)
NO_VAAPI_SUPPORT_ERROR;
#elif !defined(HAVE_OPENCL)
NO_OPENCL_SUPPORT_ERROR;
#else
if (!contextInitialized)
CV_Error(cv::Error::OpenCLInitError, "OpenCL: Context for VA-API interop hasn't been created");
const int dtype = CV_8UC4;
// TODO Need to specify ACCESS_WRITE here somehow to prevent useless data copying!
dst.create(size, dtype);
UMat u = dst.getUMat();
// TODO Add support for roi
CV_Assert(u.offset == 0);
CV_Assert(u.isContinuous());
cl_mem clBuffer = (cl_mem)u.handle(ACCESS_WRITE);
using namespace cv::ocl;
Context& ctx = Context::getDefault();
cl_context context = (cl_context)ctx.ptr();
cl_int status = 0;
cl_mem clImageY = clCreateFromVA_APIMediaSurfaceINTEL(context, CL_MEM_READ_ONLY, &surface, 0, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromVA_APIMediaSurfaceINTEL failed (Y plane)");
cl_mem clImageUV = clCreateFromVA_APIMediaSurfaceINTEL(context, CL_MEM_READ_ONLY, &surface, 1, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromVA_APIMediaSurfaceINTEL failed (UV plane)");
cl_command_queue q = (cl_command_queue)Queue::getDefault().ptr();
cl_mem images[2] = { clImageY, clImageUV };
status = clEnqueueAcquireVA_APIMediaSurfacesINTEL(q, 2, images, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueAcquireVA_APIMediaSurfacesINTEL failed");
if (!ocl::ocl_convert_nv12_to_bgr(clImageY, clImageUV, clBuffer, (int)u.step[0], u.cols, u.rows))
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: ocl_convert_nv12_to_bgr failed");
status = clEnqueueReleaseVA_APIMediaSurfacesINTEL(q, 2, images, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueReleaseVA_APIMediaSurfacesINTEL failed");
status = clFinish(q); // TODO Use events
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clFinish failed");
status = clReleaseMemObject(clImageY); // TODO RAII
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed (Y plane)");
status = clReleaseMemObject(clImageUV);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed (UV plane)");
#endif
}
void UMat::copyTo(OutputArray _dst) const
{
int dtype = _dst.type();
if( _dst.fixedType() && dtype != type() )
{
CV_Assert( channels() == CV_MAT_CN(dtype) );
convertTo( _dst, dtype );
return;
}
if( empty() )
{
_dst.release();
return;
}
size_t i, sz[CV_MAX_DIM], srcofs[CV_MAX_DIM], dstofs[CV_MAX_DIM], esz = elemSize();
for( i = 0; i < (size_t)dims; i++ )
sz[i] = size.p[i];
sz[dims-1] *= esz;
ndoffset(srcofs);
srcofs[dims-1] *= esz;
_dst.create( dims, size.p, type() );
if( _dst.kind() == _InputArray::UMAT )
{
UMat dst = _dst.getUMat();
void* srchandle = handle(ACCESS_READ);
void* dsthandle = dst.handle(ACCESS_WRITE);
if( srchandle == dsthandle && dst.offset == offset )
return;
dst.ndoffset(dstofs);
CV_Assert(u->currAllocator == dst.u->currAllocator);
u->currAllocator->copy(u, dst.u, dims, sz, srcofs, step.p, dstofs, dst.step.p, false);
}
else
{
Mat dst = _dst.getMat();
u->currAllocator->download(u, dst.data, dims, sz, srcofs, step.p, dst.step.p);
}
}
void convertToVASurface(InputArray src, VASurfaceID surface, Size size)
{
(void)src; (void)surface; (void)size;
#if !defined(HAVE_VAAPI)
NO_VAAPI_SUPPORT_ERROR;
#elif !defined(HAVE_OPENCL)
NO_OPENCL_SUPPORT_ERROR;
#else
if (!contextInitialized)
CV_Error(cv::Error::OpenCLInitError, "OpenCL: Context for VA-API interop hasn't been created");
const int stype = CV_8UC4;
int srcType = src.type();
CV_Assert(srcType == stype);
Size srcSize = src.size();
CV_Assert(srcSize.width == size.width && srcSize.height == size.height);
UMat u = src.getUMat();
// TODO Add support for roi
CV_Assert(u.offset == 0);
CV_Assert(u.isContinuous());
cl_mem clBuffer = (cl_mem)u.handle(ACCESS_READ);
using namespace cv::ocl;
Context& ctx = Context::getDefault();
cl_context context = (cl_context)ctx.ptr();
cl_int status = 0;
cl_mem clImageY = clCreateFromVA_APIMediaSurfaceINTEL(context, CL_MEM_WRITE_ONLY, &surface, 0, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromVA_APIMediaSurfaceINTEL failed (Y plane)");
cl_mem clImageUV = clCreateFromVA_APIMediaSurfaceINTEL(context, CL_MEM_WRITE_ONLY, &surface, 1, &status);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clCreateFromVA_APIMediaSurfaceINTEL failed (UV plane)");
cl_command_queue q = (cl_command_queue)Queue::getDefault().ptr();
cl_mem images[2] = { clImageY, clImageUV };
status = clEnqueueAcquireVA_APIMediaSurfacesINTEL(q, 2, images, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueAcquireVA_APIMediaSurfacesINTEL failed");
if (!ocl::ocl_convert_bgr_to_nv12(clBuffer, (int)u.step[0], u.cols, u.rows, clImageY, clImageUV))
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: ocl_convert_bgr_to_nv12 failed");
clEnqueueReleaseVA_APIMediaSurfacesINTEL(q, 2, images, 0, NULL, NULL);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clEnqueueReleaseVA_APIMediaSurfacesINTEL failed");
status = clFinish(q); // TODO Use events
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clFinish failed");
status = clReleaseMemObject(clImageY); // TODO RAII
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed (Y plane)");
status = clReleaseMemObject(clImageUV);
if (status != CL_SUCCESS)
CV_Error(cv::Error::OpenCLApiCallError, "OpenCL: clReleaseMem failed (UV plane)");
#endif
}
