android -> plarforms/android

2026-07-30 15:53:03 +04:00 · 2013-05-17 17:15:20 +04:00
parent 324cafdda6
commit 20fef00a77
134 changed files with 34 additions and 27 deletions
@@ -0,0 +1,202 @@
+#include "EngineCommon.h"
+#include "OpenCVEngine.h"
+#include "HardwareDetector.h"
+#include "StringUtils.h"
+#include <utils/Log.h>
+#include <assert.h>
+#include <string>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <dlfcn.h>
+
+using namespace android;
+
+const int OpenCVEngine::Platform = DetectKnownPlatforms();
+const int OpenCVEngine::CpuID = GetCpuID();
+const int OpenCVEngine::KnownVersions[] = {2040000, 2040100, 2040200, 2040300, 2040301, 2040302, 2040400, 2040500};
+
+bool OpenCVEngine::ValidateVersion(int version)
+{
+    for (size_t i = 0; i < sizeof(KnownVersions)/sizeof(int); i++)
+        if (KnownVersions[i] == version)
+            return true;
+
+    return false;
+}
+
+int OpenCVEngine::NormalizeVersionString(std::string version)
+{
+    int result = 0;
+
+    if (version.empty())
+    {
+        return result;
+    }
+
+    std::vector<std::string> parts = SplitStringVector(version, '.');
+
+    // Use only 4 digits of the version, i.e. 1.2.3.4.
+    // Other digits will be ignored.
+    if (parts.size() > 4)
+        parts.erase(parts.begin()+4, parts.end());
+
+    int multiplyer = 1000000;
+    for (std::vector<std::string>::const_iterator it = parts.begin(); it != parts.end(); ++it)
+    {
+        int digit = atoi(it->c_str());
+        result += multiplyer*digit;
+        multiplyer /= 100;
+    }
+
+    if (!ValidateVersion(result))
+        result  = 0;
+
+    return result;
+}
+
+OpenCVEngine::OpenCVEngine(IPackageManager* PkgManager):
+    PackageManager(PkgManager)
+{
+    assert(PkgManager);
+}
+
+int32_t OpenCVEngine::GetVersion()
+{
+    return OPEN_CV_ENGINE_VERSION;
+}
+
+String16 OpenCVEngine::GetLibPathByVersion(android::String16 version)
+{
+    std::string std_version(String8(version).string());
+    int norm_version;
+    std::string path;
+
+    LOGD("OpenCVEngine::GetLibPathByVersion(%s) impl", String8(version).string());
+
+    norm_version = NormalizeVersionString(std_version);
+
+    if (0 != norm_version)
+    {
+        path = PackageManager->GetPackagePathByVersion(norm_version, Platform, CpuID);
+        if (path.empty())
+        {
+            LOGI("Package OpenCV of version \"%s\" (%d) is not installed. Try to install it :)", String8(version).string(), norm_version);
+        }
+        else
+        {
+            FixPermissions(path);
+        }
+    }
+    else
+    {
+        LOGE("OpenCV version \"%s\" (%d) is not supported", String8(version).string(), norm_version);
+    }
+
+    return String16(path.c_str());
+}
+
+android::String16 OpenCVEngine::GetLibraryList(android::String16 version)
+{
+    std::string std_version = String8(version).string();
+    int norm_version;
+    String16 result;
+    norm_version = NormalizeVersionString(std_version);
+
+    if (0 != norm_version)
+    {
+        std::string tmp = PackageManager->GetPackagePathByVersion(norm_version, Platform, CpuID);
+        if (!tmp.empty())
+        {
+            tmp += (std::string("/") + LIB_OPENCV_INFO_NAME);
+
+            LOGD("Trying to load info library \"%s\"", tmp.c_str());
+
+            void* handle;
+            InfoFunctionType info_func;
+
+            handle = dlopen(tmp.c_str(), RTLD_LAZY);
+            if (handle)
+            {
+                const char* error;
+
+                dlerror();
+                info_func = (InfoFunctionType)dlsym(handle, "GetLibraryList");
+                if ((error = dlerror()) == NULL)
+                {
+                    result = String16((*info_func)());
+                    dlclose(handle);
+                }
+                else
+                {
+                    LOGE("Library loading error: \"%s\"", error);
+                }
+            }
+            else
+            {
+                LOGI("Info library not found in package");
+            }
+        }
+        else
+        {
+            LOGI("Package OpenCV of version \"%s\" (%d) is not installed. Try to install it :)", std_version.c_str(), norm_version);
+        }
+    }
+    else
+    {
+        LOGE("OpenCV version \"%s\" is not supported", std_version.c_str());
+    }
+
+    return result;
+}
+
+bool OpenCVEngine::InstallVersion(android::String16 version)
+{
+    std::string std_version = String8(version).string();
+    int norm_version;
+    bool result = false;
+
+    LOGD("OpenCVEngine::InstallVersion() begin");
+
+    norm_version = NormalizeVersionString(std_version);
+
+    if (0 != norm_version)
+    {
+        LOGD("PackageManager->InstallVersion call");
+        result = PackageManager->InstallVersion(norm_version, Platform, CpuID);
+    }
+    else
+    {
+        LOGE("OpenCV version \"%s\" (%d) is not supported", std_version.c_str(), norm_version);
+    }
+
+    LOGD("OpenCVEngine::InstallVersion() end");
+
+    return result;
+}
+
+bool OpenCVEngine::FixPermissions(const std::string& path)
+{
+    LOGD("Fixing permissions for folder: \"%s\"", path.c_str());
+    chmod(path.c_str(), S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+
+    DIR* dir = opendir(path.c_str());
+    if (!dir)
+    {
+        LOGD("Fixing permissions error");
+        return false;
+    }
+
+    dirent* files = readdir(dir);
+    while (files)
+    {
+        LOGD("Fix permissions for \"%s\"", files->d_name);
+        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);
+        files = readdir(dir);
+    }
+
+    closedir(dir);
+
+    return true;
+}