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Issue #2316 Change default libnative_camera path implemented.

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This commit is contained in:
Alexander Smorkalov 2012-09-10 16:28:56 +04:00
parent e564a53ccd
commit 86c7e183d2
2 changed files with 67 additions and 33 deletions
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2
modules/androidcamera/CMakeLists.txt
View File

@ -5,7 +5,7 @@ ENDIF()
set(the_description "Auxiliary module for Android native camera support")
set(OPENCV_MODULE_TYPE STATIC)
ocv_define_module(androidcamera INTERNAL log dl)
ocv_define_module(androidcamera INTERNAL opencv_core log dl)
ocv_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/camera_wrapper")
# Android source tree for native camera

98
modules/androidcamera/src/camera_activity.cpp
View File

@ -1,8 +1,12 @@
#include <dlfcn.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <android/log.h>
#include <string>
#include <vector>
#include <algorithm>
#include <opencv2/core/version.hpp>
#include "camera_activity.hpp"
#include "camera_wrapper.h"
@ -41,6 +45,7 @@ private:
static bool isConnectedToLib;
static std::string getPathLibFolder();
static std::string getDefaultPathLibFolder();
static CameraActivity::ErrorCode connectToLib();
static CameraActivity::ErrorCode getSymbolFromLib(void * libHandle, const char* symbolName, void** ppSymbol);
static void fillListWrapperLibs(const string& folderPath, vector<string>& listLibs);
@ -55,8 +60,6 @@ private:
};
std::string CameraWrapperConnector::pathLibFolder;
#define DEFAULT_WRAPPER_PACKAGE_NAME "com.NativeCamera"
#define DEFAULT_PATH_LIB_FOLDER "/data/data/" DEFAULT_WRAPPER_PACKAGE_NAME "/lib/"
bool CameraWrapperConnector::isConnectedToLib=false;
InitCameraConnectC CameraWrapperConnector::pInitCameraC = 0;
@ -163,7 +166,13 @@ CameraActivity::ErrorCode CameraWrapperConnector::connectToLib()
}
dlerror();
string folderPath=getPathLibFolder();
string folderPath = getPathLibFolder();
if (folderPath.empty())
{
LOGD("Trying to find native camera in default OpenCV packages");
folderPath = getDefaultPathLibFolder();
}
LOGD("CameraWrapperConnector::connectToLib: folderPath=%s", folderPath.c_str());
vector<string> listLibs;
@ -256,6 +265,31 @@ void CameraWrapperConnector::fillListWrapperLibs(const string& folderPath, vecto
}
}
std::string CameraWrapperConnector::getDefaultPathLibFolder()
{
const string packageList[] = {"tegra3", "armv7a_neon", "armv7a", "armv5", "x86"};
for (size_t i = 0; i < 5; i++)
{
char path[128];
sprintf(path, "/data/data/org.opencv.lib_v%d%d_%s/lib/", CV_MAJOR_VERSION, CV_MINOR_VERSION, packageList[i].c_str());
LOGD("Trying package \"%s\" (\"%s\")", packageList[i], path);
DIR* dir = opendir(path);
if (!dir)
{
LOGD("Package not found");
continue;
}
else
{
closedir(dir);
return path;
}
}
return string();
}
std::string CameraWrapperConnector::getPathLibFolder()
{
if (!pathLibFolder.empty())
@ -278,41 +312,41 @@ std::string CameraWrapperConnector::getPathLibFolder()
{
while (fgets(lineBuf, sizeof lineBuf, file) != NULL)
{
//verify that line ends with library name
int lineLength = strlen(lineBuf);
int libNameLength = strlen(libName);
//verify that line ends with library name
int lineLength = strlen(lineBuf);
int libNameLength = strlen(libName);
//trim end
for(int i = lineLength - 1; i >= 0 && isspace(lineBuf[i]); --i)
{
lineBuf[i] = 0;
--lineLength;
}
//trim end
for(int i = lineLength - 1; i >= 0 && isspace(lineBuf[i]); --i)
{
lineBuf[i] = 0;
--lineLength;
}
if (0 != strncmp(lineBuf + lineLength - libNameLength, libName, libNameLength))
{
//the line does not contain the library name
continue;
}
if (0 != strncmp(lineBuf + lineLength - libNameLength, libName, libNameLength))
{
//the line does not contain the library name
continue;
}
//extract path from smaps line
char* pathBegin = strchr(lineBuf, '/');
if (0 == pathBegin)
{
LOGE("Strange error: could not find path beginning in lin \"%s\"", lineBuf);
continue;
}
//extract path from smaps line
char* pathBegin = strchr(lineBuf, '/');
if (0 == pathBegin)
{
LOGE("Strange error: could not find path beginning in lin \"%s\"", lineBuf);
continue;
}
char* pathEnd = strrchr(pathBegin, '/');
pathEnd[1] = 0;
char* pathEnd = strrchr(pathBegin, '/');
pathEnd[1] = 0;
LOGD("Libraries folder found: %s", pathBegin);
LOGD("Libraries folder found: %s", pathBegin);
fclose(file);
return pathBegin;
fclose(file);
return pathBegin;
}
fclose(file);
LOGE("Could not find library path.");
LOGE("Could not find library path");
}
else
{
@ -321,10 +355,10 @@ std::string CameraWrapperConnector::getPathLibFolder()
}
else
{
LOGE("Could not get library name and base address.");
LOGE("Could not get library name and base address");
}
return DEFAULT_PATH_LIB_FOLDER ;
return string();
}
void CameraWrapperConnector::setPathLibFolder(const string& path)