Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "QComOMXPlugin.h" |
| 18 | |
| 19 | #include <dlfcn.h> |
| 20 | |
| 21 | #include <media/hardware/HardwareAPI.h> |
| 22 | |
| 23 | namespace android { |
| 24 | |
| 25 | OMXPluginBase *createOMXPlugin() { |
| 26 | return new QComOMXPlugin; |
| 27 | } |
| 28 | |
| 29 | QComOMXPlugin::QComOMXPlugin() |
| 30 | : mLibHandle(dlopen("libOmxCore.so", RTLD_NOW)), |
| 31 | mInit(NULL), |
| 32 | mDeinit(NULL), |
| 33 | mComponentNameEnum(NULL), |
| 34 | mGetHandle(NULL), |
| 35 | mFreeHandle(NULL), |
| 36 | mGetRolesOfComponentHandle(NULL) { |
| 37 | if (mLibHandle != NULL) { |
| 38 | mInit = (InitFunc)dlsym(mLibHandle, "OMX_Init"); |
Haynes Mathew George | 37af6ea | 2012-07-12 14:41:29 -0700 | [diff] [blame] | 39 | mDeinit = (DeinitFunc)dlsym(mLibHandle, "OMX_Deinit"); |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 40 | |
| 41 | mComponentNameEnum = |
| 42 | (ComponentNameEnumFunc)dlsym(mLibHandle, "OMX_ComponentNameEnum"); |
| 43 | |
| 44 | mGetHandle = (GetHandleFunc)dlsym(mLibHandle, "OMX_GetHandle"); |
| 45 | mFreeHandle = (FreeHandleFunc)dlsym(mLibHandle, "OMX_FreeHandle"); |
| 46 | |
| 47 | mGetRolesOfComponentHandle = |
| 48 | (GetRolesOfComponentFunc)dlsym( |
| 49 | mLibHandle, "OMX_GetRolesOfComponent"); |
| 50 | |
| 51 | (*mInit)(); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | QComOMXPlugin::~QComOMXPlugin() { |
| 56 | if (mLibHandle != NULL) { |
| 57 | (*mDeinit)(); |
| 58 | |
| 59 | dlclose(mLibHandle); |
| 60 | mLibHandle = NULL; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | OMX_ERRORTYPE QComOMXPlugin::makeComponentInstance( |
| 65 | const char *name, |
| 66 | const OMX_CALLBACKTYPE *callbacks, |
| 67 | OMX_PTR appData, |
| 68 | OMX_COMPONENTTYPE **component) { |
| 69 | if (mLibHandle == NULL) { |
| 70 | return OMX_ErrorUndefined; |
| 71 | } |
| 72 | |
| 73 | return (*mGetHandle)( |
| 74 | reinterpret_cast<OMX_HANDLETYPE *>(component), |
| 75 | const_cast<char *>(name), |
| 76 | appData, const_cast<OMX_CALLBACKTYPE *>(callbacks)); |
| 77 | } |
| 78 | |
| 79 | OMX_ERRORTYPE QComOMXPlugin::destroyComponentInstance( |
| 80 | OMX_COMPONENTTYPE *component) { |
| 81 | if (mLibHandle == NULL) { |
| 82 | return OMX_ErrorUndefined; |
| 83 | } |
| 84 | |
| 85 | return (*mFreeHandle)(reinterpret_cast<OMX_HANDLETYPE *>(component)); |
| 86 | } |
| 87 | |
| 88 | OMX_ERRORTYPE QComOMXPlugin::enumerateComponents( |
| 89 | OMX_STRING name, |
| 90 | size_t size, |
| 91 | OMX_U32 index) { |
| 92 | if (mLibHandle == NULL) { |
| 93 | return OMX_ErrorUndefined; |
| 94 | } |
| 95 | |
| 96 | return (*mComponentNameEnum)(name, size, index); |
| 97 | } |
| 98 | |
| 99 | OMX_ERRORTYPE QComOMXPlugin::getRolesOfComponent( |
| 100 | const char *name, |
| 101 | Vector<String8> *roles) { |
| 102 | roles->clear(); |
| 103 | |
| 104 | if (mLibHandle == NULL) { |
| 105 | return OMX_ErrorUndefined; |
| 106 | } |
| 107 | |
| 108 | OMX_U32 numRoles; |
| 109 | OMX_ERRORTYPE err = (*mGetRolesOfComponentHandle)( |
| 110 | const_cast<OMX_STRING>(name), &numRoles, NULL); |
| 111 | |
| 112 | if (err != OMX_ErrorNone) { |
| 113 | return err; |
| 114 | } |
| 115 | |
| 116 | if (numRoles > 0) { |
| 117 | OMX_U8 **array = new OMX_U8 *[numRoles]; |
| 118 | for (OMX_U32 i = 0; i < numRoles; ++i) { |
| 119 | array[i] = new OMX_U8[OMX_MAX_STRINGNAME_SIZE]; |
| 120 | } |
| 121 | |
| 122 | OMX_U32 numRoles2; |
| 123 | err = (*mGetRolesOfComponentHandle)( |
| 124 | const_cast<OMX_STRING>(name), &numRoles2, array); |
| 125 | |
| 126 | if (err != OMX_ErrorNone) { |
| 127 | return err; |
| 128 | } |
| 129 | |
| 130 | if (numRoles2 != numRoles) { |
| 131 | return err; |
| 132 | } |
| 133 | |
| 134 | for (OMX_U32 i = 0; i < numRoles; ++i) { |
| 135 | String8 s((const char *)array[i]); |
| 136 | roles->push(s); |
| 137 | |
| 138 | delete[] array[i]; |
| 139 | array[i] = NULL; |
| 140 | } |
| 141 | |
| 142 | delete[] array; |
| 143 | array = NULL; |
| 144 | } |
| 145 | |
| 146 | return OMX_ErrorNone; |
| 147 | } |
| 148 | |
| 149 | } // namespace android |