openh264/codec/encoder/core/inc/bundleloader.h
2013-12-12 14:21:12 -08:00

137 lines
3.9 KiB
C++

/*!
* \copy
* Copyright (c) 2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef WELS_BOUNDLELOAD_H
#define WELS_BOUNDLELOAD_H
#if defined(MACOS)
#include <dlfcn.h>
#include <carbon/carbon.h>
#include <coreFoundation/CFBundle.h>
#include <string>
int GetCurrentModulePath (char* lpModulePath, const int iPathMax) {
if (lpModulePath == NULL || iPathMax <= 0) {
return -1;
}
memset (lpModulePath, 0, iPathMax);
char cCurrentPath[PATH_MAX];
memset (cCurrentPath, 0, PATH_MAX);
Dl_info dlInfo;
static int sDummy;
dladdr ((void*)&sDummy, &dlInfo);
strlcpy (cCurrentPath, dlInfo.dli_fname, PATH_MAX);
// whether is self a framework ?
int locateNumber = 1;
struct FSRef currentPath;
OSStatus iStatus = FSPathMakeRef ((unsigned char*)cCurrentPath, &currentPath, NULL);
if (noErr == iStatus) {
LSItemInfoRecord info;
iStatus = LSCopyItemInfoForRef (&currentPath, kLSRequestExtension, &info);
if (noErr == iStatus && NULL == info.extension) {
locateNumber = 4;
}
}
std::string strPath (cCurrentPath);
int pos = std::string::npos;
for (int i = 0; i < locateNumber; i++) {
pos = strPath.rfind ('/');
if (std::string::npos == pos) {
break;
}
strPath.erase (pos);
}
if (std::string::npos == pos) {
return -2;
}
cCurrentPath[pos] = 0;
strlcpy (lpModulePath, cCurrentPath, iPathMax);
strlcat (lpModulePath, "/", iPathMax);
return 0;
}
CFBundleRef LoadBundle (const char* lpBundlePath) {
if (lpBundlePath == NULL) {
return NULL;
}
struct FSRef bundlePath;
OSStatus iStatus = FSPathMakeRef ((unsigned char*)lpBundlePath, &bundlePath, NULL);
if (noErr != iStatus) {
return NULL;
}
CFURLRef bundleURL = CFURLCreateFromFSRef (kCFAllocatorSystemDefault, &bundlePath);
if (NULL == bundleURL) {
return NULL;
}
// 2.get bundle ref
CFBundleRef bundleRef = CFBundleCreate (kCFAllocatorSystemDefault, bundleURL);
CFRelease (bundleURL);
// Boolean bReturn = FALSE;
if (NULL != bundleRef) {
// bReturn = CFBundleLoadExecutable(bundleRef);
}
return bundleRef;
}
Boolean FreeBundle (CFBundleRef bundleRef) {
if (NULL != bundleRef) {
// CFBundleUnloadExecutable(bundleRef);
CFRelease (bundleRef);
}
return TRUE;
}
void* GetProcessAddress (CFBundleRef bundleRef, const char* lpProcName) {
void* processAddress = NULL;
if (NULL != bundleRef) {
CFStringRef cfProcName = CFStringCreateWithCString (kCFAllocatorSystemDefault, lpProcName, CFStringGetSystemEncoding());
processAddress = CFBundleGetFunctionPointerForName (bundleRef, cfProcName);
CFRelease (cfProcName);
}
return processAddress;
}
#endif
#endif