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/*
* Copyright (C) 2009 The Android Open Source Project
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "QComOMXPlugin.h"
#include <dlfcn.h>
#include <media/hardware/HardwareAPI.h>
namespace android {
OMXPluginBase *createOMXPlugin() {
return new QComOMXPlugin;
}
QComOMXPlugin::QComOMXPlugin()
: mLibHandle(dlopen("libOmxCore.so", RTLD_NOW)),
mInit(NULL),
mDeinit(NULL),
mComponentNameEnum(NULL),
mGetHandle(NULL),
mFreeHandle(NULL),
mGetRolesOfComponentHandle(NULL) {
if (mLibHandle != NULL) {
mInit = (InitFunc)dlsym(mLibHandle, "OMX_Init");
mDeinit = (DeinitFunc)dlsym(mLibHandle, "OMX_Deinit");
mComponentNameEnum =
(ComponentNameEnumFunc)dlsym(mLibHandle, "OMX_ComponentNameEnum");
mGetHandle = (GetHandleFunc)dlsym(mLibHandle, "OMX_GetHandle");
mFreeHandle = (FreeHandleFunc)dlsym(mLibHandle, "OMX_FreeHandle");
mGetRolesOfComponentHandle =
(GetRolesOfComponentFunc)dlsym(
mLibHandle, "OMX_GetRolesOfComponent");
if (!mInit || !mDeinit || !mComponentNameEnum || !mGetHandle ||
!mFreeHandle || !mGetRolesOfComponentHandle) {
dlclose(mLibHandle);
mLibHandle = NULL;
} else
(*mInit)();
}
}
QComOMXPlugin::~QComOMXPlugin() {
if (mLibHandle != NULL) {
(*mDeinit)();
dlclose(mLibHandle);
mLibHandle = NULL;
}
}
OMX_ERRORTYPE QComOMXPlugin::makeComponentInstance(
const char *name,
const OMX_CALLBACKTYPE *callbacks,
OMX_PTR appData,
OMX_COMPONENTTYPE **component) {
if (mLibHandle == NULL) {
return OMX_ErrorUndefined;
}
return (*mGetHandle)(
reinterpret_cast<OMX_HANDLETYPE *>(component),
const_cast<char *>(name),
appData, const_cast<OMX_CALLBACKTYPE *>(callbacks));
}
OMX_ERRORTYPE QComOMXPlugin::destroyComponentInstance(
OMX_COMPONENTTYPE *component) {
if (mLibHandle == NULL) {
return OMX_ErrorUndefined;
}
return (*mFreeHandle)(reinterpret_cast<OMX_HANDLETYPE *>(component));
}
OMX_ERRORTYPE QComOMXPlugin::enumerateComponents(
OMX_STRING name,
size_t size,
OMX_U32 index) {
if (mLibHandle == NULL) {
return OMX_ErrorUndefined;
}
return (*mComponentNameEnum)(name, size, index);
}
void QComOMXPlugin::freeArrayOfAllocatedMemory(
OMX_U8 **array,
OMX_S32 count) {
if (count == 0)
return;
do {
count--;
delete[] array[count];
array[count] = NULL;
} while (count > 0);
}
OMX_ERRORTYPE QComOMXPlugin::getRolesOfComponent(
const char *name,
Vector<String8> *roles) {
roles->clear();
if (mLibHandle == NULL) {
return OMX_ErrorUndefined;
}
OMX_U32 numRoles;
OMX_ERRORTYPE err = (*mGetRolesOfComponentHandle)(
const_cast<OMX_STRING>(name), &numRoles, NULL);
if (err != OMX_ErrorNone) {
return err;
}
if (numRoles > 0) {
OMX_U8 **array = new OMX_U8 *[numRoles];
if (array == NULL) {
return OMX_ErrorInsufficientResources;
}
for (OMX_U32 i = 0; i < numRoles; ++i) {
array[i] = new OMX_U8[OMX_MAX_STRINGNAME_SIZE];
if (array[i] == NULL) {
freeArrayOfAllocatedMemory(array, i);
delete[] array;
array = NULL;
return OMX_ErrorInsufficientResources;
}
}
OMX_U32 numRoles2;
err = (*mGetRolesOfComponentHandle)(
const_cast<OMX_STRING>(name), &numRoles2, array);
if (err != OMX_ErrorNone || numRoles2 != numRoles) {
freeArrayOfAllocatedMemory(array, numRoles);
delete[] array;
array = NULL;
return err == OMX_ErrorNone?OMX_ErrorBadParameter:err;
}
for (OMX_U32 i = 0; i < numRoles; ++i) {
String8 s((const char *)array[i]);
roles->push(s);
delete[] array[i];
array[i] = NULL;
}
delete[] array;
array = NULL;
}
return OMX_ErrorNone;
}
} // namespace android
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