OpenCV_4.2.0/opencv-4.2.0/samples/va_intel/va_intel_interop.cpp

267 lines
8.0 KiB
C++

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