2012-06-21 16:50:05 +02:00
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#include "EngineCommon.h"
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#include "OpenCVEngine.h"
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#include "HardwareDetector.h"
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#include "StringUtils.h"
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#include <utils/Log.h>
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#include <assert.h>
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#include <string>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#include <dlfcn.h>
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using namespace android;
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const int OpenCVEngine::Platform = DetectKnownPlatforms();
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const int OpenCVEngine::CpuID = GetCpuID();
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std::set<std::string> OpenCVEngine::InitKnownOpenCVersions()
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{
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std::set<std::string> result;
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result.insert("240");
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result.insert("241");
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result.insert("242");
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return result;
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}
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const std::set<std::string> OpenCVEngine::KnownVersions = InitKnownOpenCVersions();
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bool OpenCVEngine::ValidateVersionString(const std::string& version)
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{
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return (KnownVersions.find(version) != KnownVersions.end());
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}
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std::string OpenCVEngine::NormalizeVersionString(std::string version)
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{
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std::string result = "";
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std::string suffix = "";
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if (version.empty())
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{
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return result;
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}
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if (('a' == version[version.size()-1]) || ('b' == version[version.size()-1]))
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{
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suffix = version[version.size()-1];
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version.erase(version.size()-1);
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}
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std::vector<std::string> parts = SplitStringVector(version, '.');
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if (parts.size() >= 2)
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{
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if (parts.size() >= 3)
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{
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result = parts[0] + parts[1] + parts[2] + suffix;
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if (!ValidateVersionString(result))
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result = "";
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}
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else
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{
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result = parts[0] + parts[1] + "0" + suffix;
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if (!ValidateVersionString(result))
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result = "";
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}
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}
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return result;
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}
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OpenCVEngine::OpenCVEngine(IPackageManager* PkgManager):
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PackageManager(PkgManager)
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{
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assert(PkgManager);
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}
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int32_t OpenCVEngine::GetVersion()
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{
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return OPEN_CV_ENGINE_VERSION;
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}
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String16 OpenCVEngine::GetLibPathByVersion(android::String16 version)
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{
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std::string std_version(String8(version).string());
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std::string norm_version;
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std::string path;
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LOGD("OpenCVEngine::GetLibPathByVersion(%s) impl", String8(version).string());
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norm_version = NormalizeVersionString(std_version);
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if (!norm_version.empty())
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{
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path = PackageManager->GetPackagePathByVersion(norm_version, Platform, CpuID);
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if (path.empty())
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{
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LOGI("Package OpenCV of version %s is not installed. Try to install it :)", norm_version.c_str());
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}
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else
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{
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FixPermissions(path);
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}
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}
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else
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{
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2012-07-11 15:30:41 +02:00
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LOGE("OpenCV version \"%s\" (%s) is not supported", String8(version).string(), norm_version.c_str());
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2012-06-21 16:50:05 +02:00
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}
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return String16(path.c_str());
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}
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android::String16 OpenCVEngine::GetLibraryList(android::String16 version)
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{
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std::string std_version = String8(version).string();
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std::string norm_version;
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String16 result;
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norm_version = NormalizeVersionString(std_version);
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if (!norm_version.empty())
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{
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std::string tmp = PackageManager->GetPackagePathByVersion(norm_version, Platform, CpuID);
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if (!tmp.empty())
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{
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tmp += "/libopencvinfo.so";
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LOGD("Trying to load info library \"%s\"", tmp.c_str());
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void *handle;
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char* (*info_func)();
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handle = dlopen(tmp.c_str(), RTLD_LAZY);
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if (handle)
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{
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const char *error;
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dlerror();
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*(void **) (&info_func) = dlsym(handle, "GetLibraryList");
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if ((error = dlerror()) == NULL)
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{
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result = String16((*info_func)());
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dlclose(handle);
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}
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else
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{
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LOGE("Library loading error: \"%s\"", error);
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}
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}
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else
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{
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LOGI("Info library not found in package");
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}
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}
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else
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{
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LOGI("Package OpenCV of version %s is not installed. Try to install it :)", norm_version.c_str());
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}
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}
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else
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{
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LOGE("OpenCV version \"%s\" is not supported", norm_version.c_str());
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}
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return result;
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}
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bool OpenCVEngine::InstallVersion(android::String16 version)
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{
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std::string std_version = String8(version).string();
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std::string norm_version;
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bool result = false;
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norm_version = NormalizeVersionString(std_version);
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if (!norm_version.empty())
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{
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LOGD("OpenCVEngine::InstallVersion() begin");
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if (!PackageManager->CheckVersionInstalled(norm_version, Platform, CpuID))
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{
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LOGD("PackageManager->InstallVersion call");
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result = PackageManager->InstallVersion(norm_version, Platform, CpuID);
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}
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else
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{
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LOGI("Package OpenCV of version %s is already installed. Skiped.", norm_version.c_str());
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result = true;
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}
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}
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else
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{
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LOGE("OpenCV version \"%s\" is not supported", norm_version.c_str());
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}
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LOGD("OpenCVEngine::InstallVersion() end");
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return result;
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}
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bool OpenCVEngine::FixPermissions(const std::string& path)
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{
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LOGD("Fixing permissions for folder: \"%s\"", path.c_str());
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chmod(path.c_str(), S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
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DIR* dir = opendir(path.c_str());
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if (!dir)
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{
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LOGD("Fixing permissions error");
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return false;
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}
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dirent* files = readdir(dir);
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while (files)
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{
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LOGD("Fix permissions for \"%s\"", files->d_name);
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chmod((path + std::string("/") + std::string(files->d_name)).c_str(), S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
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files = readdir(dir);
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}
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closedir(dir);
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return true;
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}
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