Andreas Huber | b0caf94 | 2009-12-03 11:39:54 -0800 | [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 | |
Andreas Huber | fb41d59 | 2010-06-23 11:31:17 -0700 | [diff] [blame] | 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "OMXMaster" |
| 19 | #include <utils/Log.h> |
| 20 | |
Andreas Huber | b0caf94 | 2009-12-03 11:39:54 -0800 | [diff] [blame] | 21 | #include "OMXMaster.h" |
| 22 | |
| 23 | #include <dlfcn.h> |
| 24 | |
| 25 | #include <media/stagefright/MediaDebug.h> |
| 26 | |
| 27 | #ifndef NO_OPENCORE |
| 28 | #include "OMXPVCodecsPlugin.h" |
| 29 | #endif |
| 30 | |
Andreas Huber | b0caf94 | 2009-12-03 11:39:54 -0800 | [diff] [blame] | 31 | namespace android { |
| 32 | |
| 33 | OMXMaster::OMXMaster() |
| 34 | : mVendorLibHandle(NULL) { |
Andreas Huber | b0caf94 | 2009-12-03 11:39:54 -0800 | [diff] [blame] | 35 | addVendorPlugin(); |
| 36 | |
| 37 | #ifndef NO_OPENCORE |
| 38 | addPlugin(new OMXPVCodecsPlugin); |
| 39 | #endif |
| 40 | } |
| 41 | |
| 42 | OMXMaster::~OMXMaster() { |
| 43 | clearPlugins(); |
| 44 | |
| 45 | if (mVendorLibHandle != NULL) { |
| 46 | dlclose(mVendorLibHandle); |
| 47 | mVendorLibHandle = NULL; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | void OMXMaster::addVendorPlugin() { |
| 52 | mVendorLibHandle = dlopen("libstagefrighthw.so", RTLD_NOW); |
| 53 | |
| 54 | if (mVendorLibHandle == NULL) { |
| 55 | return; |
| 56 | } |
| 57 | |
| 58 | typedef OMXPluginBase *(*CreateOMXPluginFunc)(); |
| 59 | CreateOMXPluginFunc createOMXPlugin = |
| 60 | (CreateOMXPluginFunc)dlsym( |
| 61 | mVendorLibHandle, "_ZN7android15createOMXPluginEv"); |
| 62 | |
Andreas Huber | fef6435 | 2009-12-04 12:52:40 -0800 | [diff] [blame] | 63 | if (createOMXPlugin) { |
| 64 | addPlugin((*createOMXPlugin)()); |
| 65 | } |
Andreas Huber | b0caf94 | 2009-12-03 11:39:54 -0800 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | void OMXMaster::addPlugin(OMXPluginBase *plugin) { |
| 69 | Mutex::Autolock autoLock(mLock); |
| 70 | |
| 71 | mPlugins.push_back(plugin); |
| 72 | |
| 73 | OMX_U32 index = 0; |
| 74 | |
| 75 | char name[128]; |
| 76 | OMX_ERRORTYPE err; |
| 77 | while ((err = plugin->enumerateComponents( |
| 78 | name, sizeof(name), index++)) == OMX_ErrorNone) { |
| 79 | String8 name8(name); |
| 80 | |
| 81 | if (mPluginByComponentName.indexOfKey(name8) >= 0) { |
| 82 | LOGE("A component of name '%s' already exists, ignoring this one.", |
| 83 | name8.string()); |
| 84 | |
| 85 | continue; |
| 86 | } |
| 87 | |
| 88 | mPluginByComponentName.add(name8, plugin); |
| 89 | } |
| 90 | CHECK_EQ(err, OMX_ErrorNoMore); |
| 91 | } |
| 92 | |
| 93 | void OMXMaster::clearPlugins() { |
| 94 | Mutex::Autolock autoLock(mLock); |
| 95 | |
| 96 | mPluginByComponentName.clear(); |
| 97 | |
| 98 | for (List<OMXPluginBase *>::iterator it = mPlugins.begin(); |
| 99 | it != mPlugins.end(); ++it) { |
| 100 | delete *it; |
| 101 | *it = NULL; |
| 102 | } |
| 103 | |
| 104 | mPlugins.clear(); |
| 105 | } |
| 106 | |
| 107 | OMX_ERRORTYPE OMXMaster::makeComponentInstance( |
| 108 | const char *name, |
| 109 | const OMX_CALLBACKTYPE *callbacks, |
| 110 | OMX_PTR appData, |
| 111 | OMX_COMPONENTTYPE **component) { |
| 112 | Mutex::Autolock autoLock(mLock); |
| 113 | |
| 114 | *component = NULL; |
| 115 | |
| 116 | ssize_t index = mPluginByComponentName.indexOfKey(String8(name)); |
| 117 | |
| 118 | if (index < 0) { |
| 119 | return OMX_ErrorInvalidComponentName; |
| 120 | } |
| 121 | |
| 122 | OMXPluginBase *plugin = mPluginByComponentName.valueAt(index); |
Andreas Huber | fef6435 | 2009-12-04 12:52:40 -0800 | [diff] [blame] | 123 | OMX_ERRORTYPE err = |
| 124 | plugin->makeComponentInstance(name, callbacks, appData, component); |
| 125 | |
| 126 | if (err != OMX_ErrorNone) { |
| 127 | return err; |
| 128 | } |
| 129 | |
| 130 | mPluginByInstance.add(*component, plugin); |
| 131 | |
| 132 | return err; |
| 133 | } |
| 134 | |
| 135 | OMX_ERRORTYPE OMXMaster::destroyComponentInstance( |
| 136 | OMX_COMPONENTTYPE *component) { |
| 137 | Mutex::Autolock autoLock(mLock); |
| 138 | |
| 139 | ssize_t index = mPluginByInstance.indexOfKey(component); |
| 140 | |
| 141 | if (index < 0) { |
| 142 | return OMX_ErrorBadParameter; |
| 143 | } |
| 144 | |
| 145 | OMXPluginBase *plugin = mPluginByInstance.valueAt(index); |
| 146 | mPluginByInstance.removeItemsAt(index); |
| 147 | |
| 148 | return plugin->destroyComponentInstance(component); |
Andreas Huber | b0caf94 | 2009-12-03 11:39:54 -0800 | [diff] [blame] | 149 | } |
| 150 | |
| 151 | OMX_ERRORTYPE OMXMaster::enumerateComponents( |
| 152 | OMX_STRING name, |
| 153 | size_t size, |
| 154 | OMX_U32 index) { |
| 155 | Mutex::Autolock autoLock(mLock); |
| 156 | |
| 157 | size_t numComponents = mPluginByComponentName.size(); |
| 158 | |
| 159 | if (index >= numComponents) { |
| 160 | return OMX_ErrorNoMore; |
| 161 | } |
| 162 | |
| 163 | const String8 &name8 = mPluginByComponentName.keyAt(index); |
| 164 | |
| 165 | CHECK(size >= 1 + name8.size()); |
| 166 | strcpy(name, name8.string()); |
| 167 | |
| 168 | return OMX_ErrorNone; |
| 169 | } |
| 170 | |
Andreas Huber | c7e91ee | 2009-12-15 15:22:08 -0800 | [diff] [blame] | 171 | OMX_ERRORTYPE OMXMaster::getRolesOfComponent( |
| 172 | const char *name, |
| 173 | Vector<String8> *roles) { |
| 174 | Mutex::Autolock autoLock(mLock); |
| 175 | |
| 176 | roles->clear(); |
| 177 | |
| 178 | ssize_t index = mPluginByComponentName.indexOfKey(String8(name)); |
| 179 | |
| 180 | if (index < 0) { |
| 181 | return OMX_ErrorInvalidComponentName; |
| 182 | } |
| 183 | |
| 184 | OMXPluginBase *plugin = mPluginByComponentName.valueAt(index); |
| 185 | return plugin->getRolesOfComponent(name, roles); |
| 186 | } |
| 187 | |
Andreas Huber | b0caf94 | 2009-12-03 11:39:54 -0800 | [diff] [blame] | 188 | } // namespace android |