fallback path & sample timing implemented
fixed trailing whitespaces renamed files *vaapi* to *va_intel* changed names vaapi* to va_intel*
This commit is contained in:
Alexey Ershov
@@ -1,7 +1,7 @@
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set(the_description "The Core Functionality")
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ocv_add_module(core
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opencv_hal
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PRIVATE_REQUIRED ${ZLIB_LIBRARIES} "${OPENCL_LIBRARIES}"
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PRIVATE_REQUIRED ${ZLIB_LIBRARIES} "${OPENCL_LIBRARIES}" "${VA_LIBRARIES}"
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OPTIONAL opencv_cudev
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WRAP java python)
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@@ -5,36 +5,36 @@
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// Copyright (C) 2015, Itseez, Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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#ifndef __OPENCV_CORE_VAAPI_HPP__
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#define __OPENCV_CORE_VAAPI_HPP__
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#ifndef __OPENCV_CORE_VA_INTEL_HPP__
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#define __OPENCV_CORE_VA_INTEL_HPP__
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#ifndef __cplusplus
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# error vaapi.hpp header must be compiled as C++
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# error va_intel.hpp header must be compiled as C++
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#endif
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#include "opencv2/core.hpp"
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#include "ocl.hpp"
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#if defined(HAVE_VAAPI)
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#if defined(HAVE_VA)
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# include "va/va.h"
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#else // HAVE_VAAPI
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#else // HAVE_VA
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# if !defined(_VA_H_)
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typedef void* VADisplay;
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typedef unsigned int VASurfaceID;
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# endif // !_VA_H_
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#endif // HAVE_VAAPI
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#endif // HAVE_VA
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namespace cv { namespace vaapi {
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namespace cv { namespace va_intel {
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/** @addtogroup core_vaapi
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This section describes CL-VA (VA-API) interoperability.
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/** @addtogroup core_va_intel
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This section describes Intel VA-API/OpenCL (CL-VA) interoperability.
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To enable CL-VA interoperability support, configure OpenCV using CMake with WITH_VAAPI=ON . Currently VA-API is
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To enable CL-VA interoperability support, configure OpenCV using CMake with WITH_VA_INTEL=ON . Currently VA-API is
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supported on Linux only. You should also install Intel Media Server Studio (MSS) to use this feature. You may
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have to specify the path(s) to MSS components for cmake in environment variables: VAAPI_MSDK_ROOT for Media SDK
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(default is "/opt/intel/mediasdk"), and VAAPI_IOCL_ROOT for Intel OpenCL (default is "/opt/intel/opencl").
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have to specify the path(s) to MSS components for cmake in environment variables: VA_INTEL_MSDK_ROOT for Media SDK
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(default is "/opt/intel/mediasdk"), and VA_INTEL_IOCL_ROOT for Intel OpenCL (default is "/opt/intel/opencl").
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To use VA-API interoperability you should first create VADisplay (libva), and then call initializeContextFromVA()
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To use CL-VA interoperability you should first create VADisplay (libva), and then call initializeContextFromVA()
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function to create OpenCL context and set up interoperability.
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*/
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//! @{
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@@ -46,29 +46,32 @@ using namespace cv::ocl;
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// TODO static functions in the Context class
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/** @brief Creates OpenCL context from VA.
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@param display - VADisplay for which CL interop should be established.
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@param display - VADisplay for which CL interop should be established.
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@param tryInterop - try to set up for interoperability, if true; set up for use slow copy if false.
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@return Returns reference to OpenCL Context
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*/
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CV_EXPORTS Context& initializeContextFromVA(VADisplay display);
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CV_EXPORTS Context& initializeContextFromVA(VADisplay display, bool tryInterop = true);
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} // namespace cv::vaapi::ocl
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} // namespace cv::va_intel::ocl
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/** @brief Converts InputArray to VASurfaceID object.
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@param display - VADisplay object.
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@param src - source InputArray.
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@param surface - destination VASurfaceID object.
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@param size - size of image represented by VASurfaceID object.
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*/
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CV_EXPORTS void convertToVASurface(InputArray src, VASurfaceID surface, Size size);
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CV_EXPORTS void convertToVASurface(VADisplay display, InputArray src, VASurfaceID surface, Size size);
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/** @brief Converts VASurfaceID object to OutputArray.
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@param display - VADisplay object.
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@param surface - source VASurfaceID object.
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@param size - size of image represented by VASurfaceID object.
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@param dst - destination OutputArray.
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*/
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CV_EXPORTS void convertFromVASurface(VASurfaceID surface, Size size, OutputArray dst);
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CV_EXPORTS void convertFromVASurface(VADisplay display, VASurfaceID surface, Size size, OutputArray dst);
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//! @}
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}} // namespace cv::vaapi
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}} // namespace cv::va_intel
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#endif /* __OPENCV_CORE_VAAPI_HPP__ */
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#endif /* __OPENCV_CORE_VA_INTEL_HPP__ */
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@@ -50,7 +50,7 @@
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#include "opencv2/core/core_c.h"
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#include "opencv2/core/cuda.hpp"
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#include "opencv2/core/opengl.hpp"
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#include "opencv2/core/vaapi.hpp"
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#include "opencv2/core/va_intel.hpp"
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#include "opencv2/core/private.hpp"
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#include "opencv2/core/private.cuda.hpp"
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517
modules/core/src/va_intel.cpp
Normal file
517
modules/core/src/va_intel.cpp
Normal file
@@ -0,0 +1,517 @@
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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// Copyright (C) 2015, Itseez, Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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#include "precomp.hpp"
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#ifdef HAVE_VA
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# include <va/va.h>
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#else // HAVE_VA
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# define NO_VA_SUPPORT_ERROR CV_ErrorNoReturn(cv::Error::StsBadFunc, "OpenCV was build without VA support (libva)")
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#endif // HAVE_VA
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using namespace cv;
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////////////////////////////////////////////////////////////////////////
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// CL-VA Interoperability
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#ifdef HAVE_OPENCL
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# include "opencv2/core/opencl/runtime/opencl_core.hpp"
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# include "opencv2/core.hpp"
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# include "opencv2/core/ocl.hpp"
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# include "opencl_kernels_core.hpp"
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#endif // HAVE_OPENCL
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#if defined(HAVE_VA_INTEL) && defined(HAVE_OPENCL)
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# include <CL/va_ext.h>
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#endif // HAVE_VA_INTEL && HAVE_OPENCL
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namespace cv { namespace va_intel {
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#if defined(HAVE_VA_INTEL) && defined(HAVE_OPENCL)
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static clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn clGetDeviceIDsFromVA_APIMediaAdapterINTEL = NULL;
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static clCreateFromVA_APIMediaSurfaceINTEL_fn clCreateFromVA_APIMediaSurfaceINTEL = NULL;
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static clEnqueueAcquireVA_APIMediaSurfacesINTEL_fn clEnqueueAcquireVA_APIMediaSurfacesINTEL = NULL;
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static clEnqueueReleaseVA_APIMediaSurfacesINTEL_fn clEnqueueReleaseVA_APIMediaSurfacesINTEL = NULL;
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static bool contextInitialized = false;
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#endif // HAVE_VA_INTEL && HAVE_OPENCL
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namespace ocl {
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Context& initializeContextFromVA(VADisplay display, bool tryInterop)
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{
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(void)display; (void)tryInterop;
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#if !defined(HAVE_VA)
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NO_VA_SUPPORT_ERROR;
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#else // !HAVE_VA
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# if (defined(HAVE_VA_INTEL) && defined(HAVE_OPENCL))
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contextInitialized = false;
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if (tryInterop)
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{
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cl_uint numPlatforms;
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cl_int status = clGetPlatformIDs(0, NULL, &numPlatforms);
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if (status != CL_SUCCESS)
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CV_Error(cv::Error::OpenCLInitError, "OpenCL: Can't get number of platforms");
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if (numPlatforms == 0)
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CV_Error(cv::Error::OpenCLInitError, "OpenCL: No available platforms");
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std::vector<cl_platform_id> platforms(numPlatforms);
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status = clGetPlatformIDs(numPlatforms, &platforms[0], NULL);
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if (status != CL_SUCCESS)
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CV_Error(cv::Error::OpenCLInitError, "OpenCL: Can't get platform Id list");
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// For CL-VA interop, we must find platform/device with "cl_intel_va_api_media_sharing" extension.
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// With standard initialization procedure, we should examine platform extension string for that.
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// But in practice, the platform ext string doesn't contain it, while device ext string does.
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// Follow Intel procedure (see tutorial), we should obtain device IDs by extension call.
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// Note that we must obtain function pointers using specific platform ID, and can't provide pointers in advance.
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// So, we iterate and select the first platform, for which we got non-NULL pointers, device, and CL context.
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int found = -1;
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cl_context context = 0;
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cl_device_id device = 0;
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for (int i = 0; i < (int)numPlatforms; ++i)
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{
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// Get extension function pointers
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clGetDeviceIDsFromVA_APIMediaAdapterINTEL = (clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn)
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clGetExtensionFunctionAddressForPlatform(platforms[i], "clGetDeviceIDsFromVA_APIMediaAdapterINTEL");
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clCreateFromVA_APIMediaSurfaceINTEL = (clCreateFromVA_APIMediaSurfaceINTEL_fn)
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clGetExtensionFunctionAddressForPlatform(platforms[i], "clCreateFromVA_APIMediaSurfaceINTEL");
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clEnqueueAcquireVA_APIMediaSurfacesINTEL = (clEnqueueAcquireVA_APIMediaSurfacesINTEL_fn)
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clGetExtensionFunctionAddressForPlatform(platforms[i], "clEnqueueAcquireVA_APIMediaSurfacesINTEL");
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clEnqueueReleaseVA_APIMediaSurfacesINTEL = (clEnqueueReleaseVA_APIMediaSurfacesINTEL_fn)
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clGetExtensionFunctionAddressForPlatform(platforms[i], "clEnqueueReleaseVA_APIMediaSurfacesINTEL");
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if (((void*)clGetDeviceIDsFromVA_APIMediaAdapterINTEL == NULL) ||
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((void*)clCreateFromVA_APIMediaSurfaceINTEL == NULL) ||
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((void*)clEnqueueAcquireVA_APIMediaSurfacesINTEL == NULL) ||
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((void*)clEnqueueReleaseVA_APIMediaSurfacesINTEL == NULL))
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{
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continue;
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}
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// Query device list
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cl_uint numDevices = 0;
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status = clGetDeviceIDsFromVA_APIMediaAdapterINTEL(platforms[i], CL_VA_API_DISPLAY_INTEL, display,
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CL_PREFERRED_DEVICES_FOR_VA_API_INTEL, 0, NULL, &numDevices);
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if ((status != CL_SUCCESS) || !(numDevices > 0))
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continue;
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numDevices = 1; // initializeContextFromHandle() expects only 1 device
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status = clGetDeviceIDsFromVA_APIMediaAdapterINTEL(platforms[i], CL_VA_API_DISPLAY_INTEL, display,
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CL_PREFERRED_DEVICES_FOR_VA_API_INTEL, numDevices, &device, NULL);
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if (status != CL_SUCCESS)
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continue;
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// Creating CL-VA media sharing OpenCL context
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cl_context_properties props[] = {
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CL_CONTEXT_VA_API_DISPLAY_INTEL, (cl_context_properties) display,
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CL_CONTEXT_INTEROP_USER_SYNC, CL_FALSE, // no explicit sync required
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0
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};
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context = clCreateContext(props, numDevices, &device, NULL, NULL, &status);
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if (status != CL_SUCCESS)
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{
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clReleaseDevice(device);
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}
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else
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{
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found = i;
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break;
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}
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}
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if (found >= 0)
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{
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contextInitialized = true;
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Context& ctx = Context::getDefault(false);
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initializeContextFromHandle(ctx, platforms[found], context, device);
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return ctx;
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}
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}
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# endif // HAVE_VA_INTEL && HAVE_OPENCL
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{
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Context& ctx = Context::getDefault(false);
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return ctx;
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}
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#endif // !HAVE_VA
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}
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#if defined(HAVE_VA_INTEL) && defined(HAVE_OPENCL)
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static bool ocl_convert_nv12_to_bgr(cl_mem clImageY, cl_mem clImageUV, cl_mem clBuffer, int step, int cols, int rows)
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{
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ocl::Kernel k;
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k.create("YUV2BGR_NV12_8u", cv::ocl::core::cvtclr_dx_oclsrc, "");
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if (k.empty())
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return false;
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k.args(clImageY, clImageUV, clBuffer, step, cols, rows);
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size_t globalsize[] = { cols, rows };
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return k.run(2, globalsize, 0, false);
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}
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static bool ocl_convert_bgr_to_nv12(cl_mem clBuffer, int step, int cols, int rows, cl_mem clImageY, cl_mem clImageUV)
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{
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ocl::Kernel k;
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k.create("BGR2YUV_NV12_8u", cv::ocl::core::cvtclr_dx_oclsrc, "");
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if (k.empty())
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return false;
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k.args(clBuffer, step, cols, rows, clImageY, clImageUV);
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size_t globalsize[] = { cols, rows };
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return k.run(2, globalsize, 0, false);
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}
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#endif // HAVE_VA_INTEL && HAVE_OPENCL
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} // namespace cv::va_intel::ocl
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#if defined(HAVE_VA)
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const int NCHANNELS = 3;
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static void copy_convert_nv12_to_bgr(const VAImage& image, const unsigned char* buffer, Mat& bgr)
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{
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const float d1 = 16.0f;
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const float d2 = 128.0f;
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static const float coeffs[5] =
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{
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1.163999557f,
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2.017999649f,
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-0.390999794f,
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-0.812999725f,
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1.5959997177f
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};
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const size_t srcOffsetY = image.offsets[0];
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const size_t srcOffsetUV = image.offsets[1];
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const size_t srcStepY = image.pitches[0];
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const size_t srcStepUV = image.pitches[1];
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const size_t dstStep = bgr.step;
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const unsigned char* srcY0 = buffer + srcOffsetY;
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const unsigned char* srcUV = buffer + srcOffsetUV;
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unsigned char* dst0 = bgr.data;
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for (int y = 0; y < bgr.rows; y += 2)
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{
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const unsigned char* srcY1 = srcY0 + srcStepY;
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unsigned char *dst1 = dst0 + dstStep;
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for (int x = 0; x < bgr.cols; x += 2)
|
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{
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float Y0 = float(srcY0[x+0]);
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float Y1 = float(srcY0[x+1]);
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float Y2 = float(srcY1[x+0]);
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float Y3 = float(srcY1[x+1]);
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float U = float(srcUV[2*(x/2)+0]) - d2;
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float V = float(srcUV[2*(x/2)+1]) - d2;
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Y0 = std::max(0.0f, Y0 - d1) * coeffs[0];
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Y1 = std::max(0.0f, Y1 - d1) * coeffs[0];
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Y2 = std::max(0.0f, Y2 - d1) * coeffs[0];
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Y3 = std::max(0.0f, Y3 - d1) * coeffs[0];
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float ruv = coeffs[4]*V;
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float guv = coeffs[3]*V + coeffs[2]*U;
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float buv = coeffs[1]*U;
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dst0[(x+0)*NCHANNELS+0] = saturate_cast<unsigned char>(Y0 + buv);
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dst0[(x+0)*NCHANNELS+1] = saturate_cast<unsigned char>(Y0 + guv);
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dst0[(x+0)*NCHANNELS+2] = saturate_cast<unsigned char>(Y0 + ruv);
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dst0[(x+1)*NCHANNELS+0] = saturate_cast<unsigned char>(Y1 + buv);
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dst0[(x+1)*NCHANNELS+1] = saturate_cast<unsigned char>(Y1 + guv);
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dst0[(x+1)*NCHANNELS+2] = saturate_cast<unsigned char>(Y1 + ruv);
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||||
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dst1[(x+0)*NCHANNELS+0] = saturate_cast<unsigned char>(Y2 + buv);
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dst1[(x+0)*NCHANNELS+1] = saturate_cast<unsigned char>(Y2 + guv);
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dst1[(x+0)*NCHANNELS+2] = saturate_cast<unsigned char>(Y2 + ruv);
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||||
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dst1[(x+1)*NCHANNELS+0] = saturate_cast<unsigned char>(Y3 + buv);
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dst1[(x+1)*NCHANNELS+1] = saturate_cast<unsigned char>(Y3 + guv);
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dst1[(x+1)*NCHANNELS+2] = saturate_cast<unsigned char>(Y3 + ruv);
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}
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srcY0 = srcY1 + srcStepY;
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srcUV += srcStepUV;
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dst0 = dst1 + dstStep;
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}
|
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}
|
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static void copy_convert_bgr_to_nv12(const VAImage& image, const Mat& bgr, unsigned char* buffer)
|
||||
{
|
||||
const float d1 = 16.0f;
|
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const float d2 = 128.0f;
|
||||
|
||||
static const float coeffs[8] =
|
||||
{
|
||||
0.256999969f, 0.50399971f, 0.09799957f, -0.1479988098f,
|
||||
-0.2909994125f, 0.438999176f, -0.3679990768f, -0.0709991455f
|
||||
};
|
||||
|
||||
const size_t dstOffsetY = image.offsets[0];
|
||||
const size_t dstOffsetUV = image.offsets[1];
|
||||
|
||||
const size_t dstStepY = image.pitches[0];
|
||||
const size_t dstStepUV = image.pitches[1];
|
||||
|
||||
const size_t srcStep = bgr.step;
|
||||
|
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const unsigned char* src0 = bgr.data;
|
||||
|
||||
unsigned char* dstY0 = buffer + dstOffsetY;
|
||||
unsigned char* dstUV = buffer + dstOffsetUV;
|
||||
|
||||
for (int y = 0; y < bgr.rows; y += 2)
|
||||
{
|
||||
const unsigned char *src1 = src0 + srcStep;
|
||||
unsigned char* dstY1 = dstY0 + dstStepY;
|
||||
|
||||
for (int x = 0; x < bgr.cols; x += 2)
|
||||
{
|
||||
float B0 = float(src0[(x+0)*NCHANNELS+0]);
|
||||
float G0 = float(src0[(x+0)*NCHANNELS+1]);
|
||||
float R0 = float(src0[(x+0)*NCHANNELS+2]);
|
||||
|
||||
float B1 = float(src0[(x+1)*NCHANNELS+0]);
|
||||
float G1 = float(src0[(x+1)*NCHANNELS+1]);
|
||||
float R1 = float(src0[(x+1)*NCHANNELS+2]);
|
||||
|
||||
float B2 = float(src1[(x+0)*NCHANNELS+0]);
|
||||
float G2 = float(src1[(x+0)*NCHANNELS+1]);
|
||||
float R2 = float(src1[(x+0)*NCHANNELS+2]);
|
||||
|
||||
float B3 = float(src1[(x+1)*NCHANNELS+0]);
|
||||
float G3 = float(src1[(x+1)*NCHANNELS+1]);
|
||||
float R3 = float(src1[(x+1)*NCHANNELS+2]);
|
||||
|
||||
float Y0 = coeffs[0]*R0 + coeffs[1]*G0 + coeffs[2]*B0 + d1;
|
||||
float Y1 = coeffs[0]*R1 + coeffs[1]*G1 + coeffs[2]*B1 + d1;
|
||||
float Y2 = coeffs[0]*R2 + coeffs[1]*G2 + coeffs[2]*B2 + d1;
|
||||
float Y3 = coeffs[0]*R3 + coeffs[1]*G3 + coeffs[2]*B3 + d1;
|
||||
|
||||
float U = coeffs[3]*R0 + coeffs[4]*G0 + coeffs[5]*B0 + d2;
|
||||
float V = coeffs[5]*R0 + coeffs[6]*G0 + coeffs[7]*B0 + d2;
|
||||
|
||||
dstY0[x+0] = saturate_cast<unsigned char>(Y0);
|
||||
dstY0[x+1] = saturate_cast<unsigned char>(Y1);
|
||||
dstY1[x+0] = saturate_cast<unsigned char>(Y2);
|
||||
dstY1[x+1] = saturate_cast<unsigned char>(Y3);
|
||||
|
||||
dstUV[2*(x/2)+0] = saturate_cast<unsigned char>(U);
|
||||
dstUV[2*(x/2)+1] = saturate_cast<unsigned char>(V);
|
||||
}
|
||||
|
||||
src0 = src1 + srcStep;
|
||||
dstY0 = dstY1 + dstStepY;
|
||||
dstUV += dstStepUV;
|
||||
}
|
||||
}
|
||||
#endif // HAVE_VA
|
||||
|
||||
void convertToVASurface(VADisplay display, InputArray src, VASurfaceID surface, Size size)
|
||||
{
|
||||
(void)display; (void)src; (void)surface; (void)size;
|
||||
#if !defined(HAVE_VA)
|
||||
NO_VA_SUPPORT_ERROR;
|
||||
#else // !HAVE_VA
|
||||
const int stype = CV_8UC3;
|
||||
|
||||
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());
|
||||
|
||||
# if (defined(HAVE_VA_INTEL) && defined(HAVE_OPENCL))
|
||||
if (contextInitialized)
|
||||
{
|
||||
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)");
|
||||
}
|
||||
else
|
||||
# endif // HAVE_VA_INTEL && HAVE_OPENCL
|
||||
{
|
||||
VAStatus status = 0;
|
||||
|
||||
status = vaSyncSurface(display, surface);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaSyncSurface failed");
|
||||
|
||||
VAImage image;
|
||||
status = vaDeriveImage(display, surface, &image);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaDeriveImage failed");
|
||||
|
||||
unsigned char* buffer = 0;
|
||||
status = vaMapBuffer(display, image.buf, (void **)&buffer);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaMapBuffer failed");
|
||||
|
||||
CV_Assert(image.format.fourcc == VA_FOURCC_NV12);
|
||||
|
||||
Mat m = u.getMat(ACCESS_READ);
|
||||
copy_convert_bgr_to_nv12(image, m, buffer);
|
||||
|
||||
status = vaUnmapBuffer(display, image.buf);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaUnmapBuffer failed");
|
||||
|
||||
status = vaDestroyImage(display, image.image_id);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaDestroyImage failed");
|
||||
}
|
||||
#endif // !HAVE_VA
|
||||
}
|
||||
|
||||
void convertFromVASurface(VADisplay display, VASurfaceID surface, Size size, OutputArray dst)
|
||||
{
|
||||
(void)display; (void)surface; (void)dst; (void)size;
|
||||
#if !defined(HAVE_VA)
|
||||
NO_VA_SUPPORT_ERROR;
|
||||
#else // !HAVE_VA
|
||||
const int dtype = CV_8UC3;
|
||||
|
||||
// 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());
|
||||
|
||||
# if (defined(HAVE_VA_INTEL) && defined(HAVE_OPENCL))
|
||||
if (contextInitialized)
|
||||
{
|
||||
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)");
|
||||
}
|
||||
else
|
||||
# endif // HAVE_VA_INTEL && HAVE_OPENCL
|
||||
{
|
||||
VAStatus status = 0;
|
||||
|
||||
status = vaSyncSurface(display, surface);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaSyncSurface failed");
|
||||
|
||||
VAImage image;
|
||||
status = vaDeriveImage(display, surface, &image);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaDeriveImage failed");
|
||||
|
||||
unsigned char* buffer = 0;
|
||||
status = vaMapBuffer(display, image.buf, (void **)&buffer);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaMapBuffer failed");
|
||||
|
||||
CV_Assert(image.format.fourcc == VA_FOURCC_NV12);
|
||||
|
||||
Mat m = u.getMat(ACCESS_WRITE);
|
||||
copy_convert_nv12_to_bgr(image, buffer, m);
|
||||
|
||||
status = vaUnmapBuffer(display, image.buf);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaUnmapBuffer failed");
|
||||
|
||||
status = vaDestroyImage(display, image.image_id);
|
||||
if (status != VA_STATUS_SUCCESS)
|
||||
CV_Error(cv::Error::StsError, "VA-API: vaDestroyImage failed");
|
||||
}
|
||||
#endif // !HAVE_VA
|
||||
}
|
||||
|
||||
}} // namespace cv::va_intel
|
||||
@@ -1,302 +0,0 @@
|
||||
// This file is part of OpenCV project.
|
||||
// It is subject to the license terms in the LICENSE file found in the top-level directory
|
||||
// of this distribution and at http://opencv.org/license.html.
|
||||
|
||||
// Copyright (C) 2015, Itseez, Inc., all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
|
||||
#include "precomp.hpp"
|
||||
|
||||
#ifdef HAVE_VAAPI
|
||||
#else // HAVE_VAAPI
|
||||
# define NO_VAAPI_SUPPORT_ERROR CV_ErrorNoReturn(cv::Error::StsBadFunc, "OpenCV was build without VA-API support")
|
||||
#endif // HAVE_VAAPI
|
||||
|
||||
using namespace cv;
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
// CL-VA Interoperability
|
||||
|
||||
#ifdef HAVE_OPENCL
|
||||
# include "opencv2/core/opencl/runtime/opencl_core.hpp"
|
||||
# include "opencv2/core.hpp"
|
||||
# include "opencv2/core/ocl.hpp"
|
||||
# include "opencl_kernels_core.hpp"
|
||||
#else // HAVE_OPENCL
|
||||
# define NO_OPENCL_SUPPORT_ERROR CV_ErrorNoReturn(cv::Error::StsBadFunc, "OpenCV was build without OpenCL support")
|
||||
#endif // HAVE_OPENCL
|
||||
|
||||
#if defined(HAVE_VAAPI) && defined(HAVE_OPENCL)
|
||||
# include <CL/va_ext.h>
|
||||
#endif // HAVE_VAAPI && HAVE_OPENCL
|
||||
|
||||
namespace cv { namespace vaapi {
|
||||
|
||||
#if defined(HAVE_VAAPI) && defined(HAVE_OPENCL)
|
||||
|
||||
static clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn clGetDeviceIDsFromVA_APIMediaAdapterINTEL = NULL;
|
||||
static clCreateFromVA_APIMediaSurfaceINTEL_fn clCreateFromVA_APIMediaSurfaceINTEL = NULL;
|
||||
static clEnqueueAcquireVA_APIMediaSurfacesINTEL_fn clEnqueueAcquireVA_APIMediaSurfacesINTEL = NULL;
|
||||
static clEnqueueReleaseVA_APIMediaSurfacesINTEL_fn clEnqueueReleaseVA_APIMediaSurfacesINTEL = NULL;
|
||||
|
||||
static bool contextInitialized = false;
|
||||
|
||||
#endif // HAVE_VAAPI && HAVE_OPENCL
|
||||
|
||||
namespace ocl {
|
||||
|
||||
Context& initializeContextFromVA(VADisplay display)
|
||||
{
|
||||
(void)display;
|
||||
#if !defined(HAVE_VAAPI)
|
||||
NO_VAAPI_SUPPORT_ERROR;
|
||||
#elif !defined(HAVE_OPENCL)
|
||||
NO_OPENCL_SUPPORT_ERROR;
|
||||
#else
|
||||
contextInitialized = false;
|
||||
|
||||
cl_uint numPlatforms;
|
||||
cl_int status = clGetPlatformIDs(0, NULL, &numPlatforms);
|
||||
if (status != CL_SUCCESS)
|
||||
CV_Error(cv::Error::OpenCLInitError, "OpenCL: Can't get number of platforms");
|
||||
if (numPlatforms == 0)
|
||||
CV_Error(cv::Error::OpenCLInitError, "OpenCL: No available platforms");
|
||||
|
||||
std::vector<cl_platform_id> platforms(numPlatforms);
|
||||
status = clGetPlatformIDs(numPlatforms, &platforms[0], NULL);
|
||||
if (status != CL_SUCCESS)
|
||||
CV_Error(cv::Error::OpenCLInitError, "OpenCL: Can't get platform Id list");
|
||||
|
||||
// For CL-VA interop, we must find platform/device with "cl_intel_va_api_media_sharing" extension.
|
||||
// With standard initialization procedure, we should examine platform extension string for that.
|
||||
// But in practice, the platform ext string doesn't contain it, while device ext string does.
|
||||
// Follow Intel procedure (see tutorial), we should obtain device IDs by extension call.
|
||||
// Note that we must obtain function pointers using specific platform ID, and can't provide pointers in advance.
|
||||
// So, we iterate and select the first platform, for which we got non-NULL pointers, device, and CL context.
|
||||
|
||||
int found = -1;
|
||||
cl_context context = 0;
|
||||
cl_device_id device = 0;
|
||||
|
||||
for (int i = 0; i < (int)numPlatforms; ++i)
|
||||
{
|
||||
// Get extension function pointers
|
||||
|
||||
clGetDeviceIDsFromVA_APIMediaAdapterINTEL = (clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn)
|
||||
clGetExtensionFunctionAddressForPlatform(platforms[i], "clGetDeviceIDsFromVA_APIMediaAdapterINTEL");
|
||||
clCreateFromVA_APIMediaSurfaceINTEL = (clCreateFromVA_APIMediaSurfaceINTEL_fn)
|
||||
clGetExtensionFunctionAddressForPlatform(platforms[i], "clCreateFromVA_APIMediaSurfaceINTEL");
|
||||
clEnqueueAcquireVA_APIMediaSurfacesINTEL = (clEnqueueAcquireVA_APIMediaSurfacesINTEL_fn)
|
||||
clGetExtensionFunctionAddressForPlatform(platforms[i], "clEnqueueAcquireVA_APIMediaSurfacesINTEL");
|
||||
clEnqueueReleaseVA_APIMediaSurfacesINTEL = (clEnqueueReleaseVA_APIMediaSurfacesINTEL_fn)
|
||||
clGetExtensionFunctionAddressForPlatform(platforms[i], "clEnqueueReleaseVA_APIMediaSurfacesINTEL");
|
||||
|
||||
if (((void*)clGetDeviceIDsFromVA_APIMediaAdapterINTEL == NULL) ||
|
||||
((void*)clCreateFromVA_APIMediaSurfaceINTEL == NULL) ||
|
||||
((void*)clEnqueueAcquireVA_APIMediaSurfacesINTEL == NULL) ||
|
||||
((void*)clEnqueueReleaseVA_APIMediaSurfacesINTEL == NULL))
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
// Query device list
|
||||
|
||||
cl_uint numDevices = 0;
|
||||
|
||||
status = clGetDeviceIDsFromVA_APIMediaAdapterINTEL(platforms[i], CL_VA_API_DISPLAY_INTEL, display,
|
||||
CL_PREFERRED_DEVICES_FOR_VA_API_INTEL, 0, NULL, &numDevices);
|
||||
if ((status != CL_SUCCESS) || !(numDevices > 0))
|
||||
continue;
|
||||
numDevices = 1; // initializeContextFromHandle() expects only 1 device
|
||||
status = clGetDeviceIDsFromVA_APIMediaAdapterINTEL(platforms[i], CL_VA_API_DISPLAY_INTEL, display,
|
||||
CL_PREFERRED_DEVICES_FOR_VA_API_INTEL, numDevices, &device, NULL);
|
||||
if (status != CL_SUCCESS)
|
||||
continue;
|
||||
|
||||
// Creating CL-VA media sharing OpenCL context
|
||||
|
||||
cl_context_properties props[] = {
|
||||
CL_CONTEXT_VA_API_DISPLAY_INTEL, (cl_context_properties) display,
|
||||
CL_CONTEXT_INTEROP_USER_SYNC, CL_FALSE, // no explicit sync required
|
||||
0
|
||||
};
|
||||
|
||||
context = clCreateContext(props, numDevices, &device, NULL, NULL, &status);
|
||||
if (status != CL_SUCCESS)
|
||||
{
|
||||
clReleaseDevice(device);
|
||||
}
|
||||
else
|
||||
{
|
||||
found = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (found < 0)
|
||||
CV_Error(cv::Error::OpenCLInitError, "OpenCL: Can't create context for VA-API interop");
|
||||
|
||||
Context& ctx = Context::getDefault(false);
|
||||
initializeContextFromHandle(ctx, platforms[found], context, device);
|
||||
contextInitialized = true;
|
||||
return ctx;
|
||||
#endif
|
||||
}
|
||||
|
||||
#if defined(HAVE_VAAPI) && defined(HAVE_OPENCL)
|
||||
static bool ocl_convert_nv12_to_bgr(cl_mem clImageY, cl_mem clImageUV, cl_mem clBuffer, int step, int cols, int rows)
|
||||
{
|
||||
ocl::Kernel k;
|
||||
k.create("YUV2BGR_NV12_8u", cv::ocl::core::cvtclr_dx_oclsrc, "");
|
||||
if (k.empty())
|
||||
return false;
|
||||
|
||||
k.args(clImageY, clImageUV, clBuffer, step, cols, rows);
|
||||
|
||||
size_t globalsize[] = { cols, rows };
|
||||
return k.run(2, globalsize, 0, false);
|
||||
}
|
||||
|
||||
static bool ocl_convert_bgr_to_nv12(cl_mem clBuffer, int step, int cols, int rows, cl_mem clImageY, cl_mem clImageUV)
|
||||
{
|
||||
ocl::Kernel k;
|
||||
k.create("BGR2YUV_NV12_8u", cv::ocl::core::cvtclr_dx_oclsrc, "");
|
||||
if (k.empty())
|
||||
return false;
|
||||
|
||||
k.args(clBuffer, step, cols, rows, clImageY, clImageUV);
|
||||
|
||||
size_t globalsize[] = { cols, rows };
|
||||
return k.run(2, globalsize, 0, false);
|
||||
}
|
||||
#endif // HAVE_VAAPI && HAVE_OPENCL
|
||||
|
||||
} // namespace cv::vaapi::ocl
|
||||
|
||||
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
|
||||
}
|
||||
|
||||
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
|
||||
}
|
||||
|
||||
}} // namespace cv::vaapi
|
||||
Reference in New Issue
Block a user