mirror of
https://github.com/opencv/opencv.git
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267 lines
8.0 KiB
C++
267 lines
8.0 KiB
C++
/* origin: libva-1.3.1/test/decode/mpeg2vldemo.cpp */
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/*
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* Copyright (c) 2007-2008 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <iostream>
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#include <stdexcept>
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#include <string>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <va/va.h>
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#include "display.cpp.inc"
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#include "opencv2/core.hpp"
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#include "opencv2/imgproc.hpp"
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#include "opencv2/highgui.hpp"
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#include "opencv2/core/va_intel.hpp"
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#define CHECK_VASTATUS(_status,_func) \
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if (_status != VA_STATUS_SUCCESS) \
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{ \
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char str[256]; \
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snprintf(str, sizeof(str)-1, "%s:%s (%d) failed(status=0x%08x),exit\n", __func__, _func, __LINE__, _status); \
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throw std::runtime_error(str); \
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}
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class CmdlineParser
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{
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public:
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enum { fnInput=0, fnOutput1, fnOutput2, _fnNumFiles }; // file name indices
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CmdlineParser(int argc, char** argv):
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m_argc(argc), m_argv(argv)
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{}
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void usage()
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{
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fprintf(stderr,
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"Usage: va_intel_interop [-f] infile outfile1 outfile2\n\n"
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"Interop ON/OFF version\n\n"
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"where: -f option indicates interop is off (fallback mode); interop is on by default\n"
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" infile is to be existing, contains input image data (bmp, jpg, png, tiff, etc)\n"
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" outfile1 is to be created, contains original surface data (NV12)\n"
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" outfile2 is to be created, contains processed surface data (NV12)\n");
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}
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// true => go, false => usage/exit; extra args/unknown options are ignored for simplicity
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bool run()
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{
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int n = 0;
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for (int i = 0; i < _fnNumFiles; ++i)
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m_files[i] = 0;
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m_interop = true;
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for (int i = 1; i < m_argc; ++i)
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{
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const char *arg = m_argv[i];
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if (arg[0] == '-') // option
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{
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if (!strcmp(arg, "-f"))
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m_interop = false;
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}
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else // parameter
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{
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if (n < _fnNumFiles)
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m_files[n++] = arg;
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}
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}
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return bool(n >= _fnNumFiles);
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}
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bool isInterop() const
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{
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return m_interop;
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}
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const char* getFile(int n) const
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{
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return ((n >= 0) && (n < _fnNumFiles)) ? m_files[n] : 0;
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}
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private:
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int m_argc;
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char** m_argv;
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const char* m_files[_fnNumFiles];
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bool m_interop;
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};
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class Timer
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{
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public:
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enum UNITS
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{
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USEC = 0,
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MSEC,
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SEC
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};
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Timer() : m_t0(0), m_diff(0)
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{
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m_tick_frequency = (float)cv::getTickFrequency();
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m_unit_mul[USEC] = 1000000;
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m_unit_mul[MSEC] = 1000;
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m_unit_mul[SEC] = 1;
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}
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void clear()
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{
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m_t0 = m_diff = 0;
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}
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void start()
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{
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m_t0 = cv::getTickCount();
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}
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void stop()
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{
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m_diff = cv::getTickCount() - m_t0;
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}
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float time(UNITS u = MSEC)
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{
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float sec = m_diff / m_tick_frequency;
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return sec * m_unit_mul[u];
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}
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public:
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float m_tick_frequency;
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int64 m_t0;
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int64 m_diff;
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int m_unit_mul[3];
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};
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static void checkIfAvailableYUV420()
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{
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VAEntrypoint entrypoints[5];
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int num_entrypoints,vld_entrypoint;
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VAConfigAttrib attrib;
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VAStatus status;
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status = vaQueryConfigEntrypoints(va::display, VAProfileMPEG2Main, entrypoints, &num_entrypoints);
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CHECK_VASTATUS(status, "vaQueryConfigEntrypoints");
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for (vld_entrypoint = 0; vld_entrypoint < num_entrypoints; ++vld_entrypoint)
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{
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if (entrypoints[vld_entrypoint] == VAEntrypointVLD)
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break;
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}
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if (vld_entrypoint == num_entrypoints)
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throw std::runtime_error("Failed to find VLD entry point");
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attrib.type = VAConfigAttribRTFormat;
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vaGetConfigAttributes(va::display, VAProfileMPEG2Main, VAEntrypointVLD, &attrib, 1);
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if ((attrib.value & VA_RT_FORMAT_YUV420) == 0)
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throw std::runtime_error("Desired YUV420 RT format not found");
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}
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static cv::UMat readImage(const char* fileName)
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{
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cv::Mat m = cv::imread(fileName);
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if (m.empty())
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throw std::runtime_error("Failed to load image: " + std::string(fileName));
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return m.getUMat(cv::ACCESS_RW);
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}
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static void writeImage(const cv::UMat& u, const char* fileName, bool doInterop)
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{
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std::string fn = std::string(fileName) + std::string(doInterop ? ".on" : ".off") + std::string(".jpg");
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cv::imwrite(fn, u);
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}
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static float run(const char* infile, const char* outfile1, const char* outfile2, bool doInterop)
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{
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VASurfaceID surface;
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VAStatus status;
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Timer t;
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// initialize CL context for CL/VA interop
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cv::va_intel::ocl::initializeContextFromVA(va::display, doInterop);
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// load input image
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cv::UMat u1 = readImage(infile);
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cv::Size size2 = u1.size();
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status = vaCreateSurfaces(va::display, VA_RT_FORMAT_YUV420, size2.width, size2.height, &surface, 1, NULL, 0);
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CHECK_VASTATUS(status, "vaCreateSurfaces");
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// transfer image into VA surface, make sure all CL initialization is done (kernels etc)
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cv::va_intel::convertToVASurface(va::display, u1, surface, size2);
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cv::va_intel::convertFromVASurface(va::display, surface, size2, u1);
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cv::UMat u2;
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cv::blur(u1, u2, cv::Size(7, 7), cv::Point(-3, -3));
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// measure performance on some image processing
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writeImage(u1, outfile1, doInterop);
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t.start();
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cv::va_intel::convertFromVASurface(va::display, surface, size2, u1);
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cv::blur(u1, u2, cv::Size(7, 7), cv::Point(-3, -3));
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cv::va_intel::convertToVASurface(va::display, u2, surface, size2);
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t.stop();
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writeImage(u2, outfile2, doInterop);
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vaDestroySurfaces(va::display, &surface,1);
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return t.time(Timer::MSEC);
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}
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int main(int argc, char** argv)
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{
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try
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{
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CmdlineParser cmd(argc, argv);
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if (!cmd.run())
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{
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cmd.usage();
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return 0;
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}
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if (!va::openDisplay())
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throw std::runtime_error("Failed to open VA display for CL-VA interoperability");
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std::cout << "VA display opened successfully" << std::endl;
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checkIfAvailableYUV420();
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const char* infile = cmd.getFile(CmdlineParser::fnInput);
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const char* outfile1 = cmd.getFile(CmdlineParser::fnOutput1);
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const char* outfile2 = cmd.getFile(CmdlineParser::fnOutput2);
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bool doInterop = cmd.isInterop();
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float time = run(infile, outfile1, outfile2, doInterop);
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std::cout << "Interop " << (doInterop ? "ON " : "OFF") << ": processing time, msec: " << time << std::endl;
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}
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catch (const std::exception& ex)
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{
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std::cerr << "ERROR: " << ex.what() << std::endl;
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}
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va::closeDisplay();
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return 0;
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}
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