SoftOMXPlugin.cpp revision d411b4ca2945cd8974a3a78199fce94646950128
1a8f774549e35b743afae35e3436f73e8849e869depoger/* 2a8f774549e35b743afae35e3436f73e8849e869depoger * Copyright (C) 2011 The Android Open Source Project 3a8f774549e35b743afae35e3436f73e8849e869depoger * 4a8f774549e35b743afae35e3436f73e8849e869depoger * Licensed under the Apache License, Version 2.0 (the "License"); 5a8f774549e35b743afae35e3436f73e8849e869depoger * you may not use this file except in compliance with the License. 6a8f774549e35b743afae35e3436f73e8849e869depoger * You may obtain a copy of the License at 7a8f774549e35b743afae35e3436f73e8849e869depoger * 8a8f774549e35b743afae35e3436f73e8849e869depoger * http://www.apache.org/licenses/LICENSE-2.0 9a8f774549e35b743afae35e3436f73e8849e869depoger * 10a8f774549e35b743afae35e3436f73e8849e869depoger * Unless required by applicable law or agreed to in writing, software 11a8f774549e35b743afae35e3436f73e8849e869depoger * distributed under the License is distributed on an "AS IS" BASIS, 12a8f774549e35b743afae35e3436f73e8849e869depoger * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a8f774549e35b743afae35e3436f73e8849e869depoger * See the License for the specific language governing permissions and 14a8f774549e35b743afae35e3436f73e8849e869depoger * limitations under the License. 15a8f774549e35b743afae35e3436f73e8849e869depoger */ 16a8f774549e35b743afae35e3436f73e8849e869depoger 17a8f774549e35b743afae35e3436f73e8849e869depoger//#define LOG_NDEBUG 0 18a8f774549e35b743afae35e3436f73e8849e869depoger#define LOG_TAG "SoftOMXPlugin" 19a8f774549e35b743afae35e3436f73e8849e869depoger#include <utils/Log.h> 20a8f774549e35b743afae35e3436f73e8849e869depoger 21a8f774549e35b743afae35e3436f73e8849e869depoger#include "SoftOMXPlugin.h" 22a8f774549e35b743afae35e3436f73e8849e869depoger#include "include/SoftOMXComponent.h" 23a8f774549e35b743afae35e3436f73e8849e869depoger 24a8f774549e35b743afae35e3436f73e8849e869depoger#include <media/stagefright/foundation/ADebug.h> 25a8f774549e35b743afae35e3436f73e8849e869depoger#include <media/stagefright/foundation/AString.h> 26a8f774549e35b743afae35e3436f73e8849e869depoger 27a8f774549e35b743afae35e3436f73e8849e869depoger#include <dlfcn.h> 28a8f774549e35b743afae35e3436f73e8849e869depoger 29a8f774549e35b743afae35e3436f73e8849e869depogernamespace android { 30a8f774549e35b743afae35e3436f73e8849e869depoger 31a8f774549e35b743afae35e3436f73e8849e869depogerstatic const struct { 32a8f774549e35b743afae35e3436f73e8849e869depoger const char *mName; 33a8f774549e35b743afae35e3436f73e8849e869depoger const char *mLibNameSuffix; 34a8f774549e35b743afae35e3436f73e8849e869depoger const char *mRole; 35a8f774549e35b743afae35e3436f73e8849e869depoger 36a8f774549e35b743afae35e3436f73e8849e869depoger} kComponents[] = { 37a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.aac.decoder", "aacdec", "audio_decoder.aac" }, 38a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.aac.encoder", "aacenc", "audio_encoder.aac" }, 39a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.amrnb.decoder", "amrdec", "audio_decoder.amrnb" }, 40a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.amrnb.encoder", "amrnbenc", "audio_encoder.amrnb" }, 41a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.amrwb.decoder", "amrdec", "audio_decoder.amrwb" }, 42a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.amrwb.encoder", "amrwbenc", "audio_encoder.amrwb" }, 43a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.h264.decoder", "h264dec", "video_decoder.avc" }, 44a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.h264.encoder", "h264enc", "video_encoder.avc" }, 45a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.g711.alaw.decoder", "g711dec", "audio_decoder.g711alaw" }, 46a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.g711.mlaw.decoder", "g711dec", "audio_decoder.g711mlaw" }, 47a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.h263.decoder", "mpeg4dec", "video_decoder.h263" }, 48a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.h263.encoder", "mpeg4enc", "video_encoder.h263" }, 49a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.mpeg4.decoder", "mpeg4dec", "video_decoder.mpeg4" }, 50a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.mpeg4.encoder", "mpeg4enc", "video_encoder.mpeg4" }, 51a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.mp3.decoder", "mp3dec", "audio_decoder.mp3" }, 52a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.vorbis.decoder", "vorbisdec", "audio_decoder.vorbis" }, 53a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.vp8.decoder", "vpxdec", "video_decoder.vp8" }, 54a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.vp9.decoder", "vpxdec", "video_decoder.vp9" }, 55a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.vp8.encoder", "vpxenc", "video_encoder.vp8" }, 56a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.raw.decoder", "rawdec", "audio_decoder.raw" }, 57a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.flac.encoder", "flacenc", "audio_encoder.flac" }, 58a8f774549e35b743afae35e3436f73e8849e869depoger { "OMX.google.gsm.decoder", "gsmdec", "audio_decoder.gsm" }, 59a8f774549e35b743afae35e3436f73e8849e869depoger}; 60a8f774549e35b743afae35e3436f73e8849e869depoger 61a8f774549e35b743afae35e3436f73e8849e869depogerstatic const size_t kNumComponents = 62a8f774549e35b743afae35e3436f73e8849e869depoger sizeof(kComponents) / sizeof(kComponents[0]); 63a8f774549e35b743afae35e3436f73e8849e869depoger 64a8f774549e35b743afae35e3436f73e8849e869depogerSoftOMXPlugin::SoftOMXPlugin() { 65a8f774549e35b743afae35e3436f73e8849e869depoger} 66a8f774549e35b743afae35e3436f73e8849e869depoger 67a8f774549e35b743afae35e3436f73e8849e869depogerOMX_ERRORTYPE SoftOMXPlugin::makeComponentInstance( 68a8f774549e35b743afae35e3436f73e8849e869depoger const char *name, 69a8f774549e35b743afae35e3436f73e8849e869depoger const OMX_CALLBACKTYPE *callbacks, 70a8f774549e35b743afae35e3436f73e8849e869depoger OMX_PTR appData, 71a8f774549e35b743afae35e3436f73e8849e869depoger OMX_COMPONENTTYPE **component) { 72a8f774549e35b743afae35e3436f73e8849e869depoger ALOGV("makeComponentInstance '%s'", name); 73a8f774549e35b743afae35e3436f73e8849e869depoger 74a8f774549e35b743afae35e3436f73e8849e869depoger for (size_t i = 0; i < kNumComponents; ++i) { 75a8f774549e35b743afae35e3436f73e8849e869depoger if (strcmp(name, kComponents[i].mName)) { 76a8f774549e35b743afae35e3436f73e8849e869depoger continue; 77a8f774549e35b743afae35e3436f73e8849e869depoger } 78a8f774549e35b743afae35e3436f73e8849e869depoger 79a8f774549e35b743afae35e3436f73e8849e869depoger AString libName = "libstagefright_soft_"; 80a8f774549e35b743afae35e3436f73e8849e869depoger libName.append(kComponents[i].mLibNameSuffix); 81a8f774549e35b743afae35e3436f73e8849e869depoger libName.append(".so"); 82a8f774549e35b743afae35e3436f73e8849e869depoger 83a8f774549e35b743afae35e3436f73e8849e869depoger void *libHandle = dlopen(libName.c_str(), RTLD_NOW); 84a8f774549e35b743afae35e3436f73e8849e869depoger 85a8f774549e35b743afae35e3436f73e8849e869depoger if (libHandle == NULL) { 86a8f774549e35b743afae35e3436f73e8849e869depoger ALOGE("unable to dlopen %s", libName.c_str()); 87a8f774549e35b743afae35e3436f73e8849e869depoger 88a8f774549e35b743afae35e3436f73e8849e869depoger return OMX_ErrorComponentNotFound; 89a8f774549e35b743afae35e3436f73e8849e869depoger } 90a8f774549e35b743afae35e3436f73e8849e869depoger 91a8f774549e35b743afae35e3436f73e8849e869depoger typedef SoftOMXComponent *(*CreateSoftOMXComponentFunc)( 92a8f774549e35b743afae35e3436f73e8849e869depoger const char *, const OMX_CALLBACKTYPE *, 93a8f774549e35b743afae35e3436f73e8849e869depoger OMX_PTR, OMX_COMPONENTTYPE **); 94a8f774549e35b743afae35e3436f73e8849e869depoger 95a8f774549e35b743afae35e3436f73e8849e869depoger CreateSoftOMXComponentFunc createSoftOMXComponent = 96a8f774549e35b743afae35e3436f73e8849e869depoger (CreateSoftOMXComponentFunc)dlsym( 97a8f774549e35b743afae35e3436f73e8849e869depoger libHandle, 98a8f774549e35b743afae35e3436f73e8849e869depoger "_Z22createSoftOMXComponentPKcPK16OMX_CALLBACKTYPE" 99a8f774549e35b743afae35e3436f73e8849e869depoger "PvPP17OMX_COMPONENTTYPE"); 100a8f774549e35b743afae35e3436f73e8849e869depoger 101a8f774549e35b743afae35e3436f73e8849e869depoger if (createSoftOMXComponent == NULL) { 102a8f774549e35b743afae35e3436f73e8849e869depoger dlclose(libHandle); 103a8f774549e35b743afae35e3436f73e8849e869depoger libHandle = NULL; 104a8f774549e35b743afae35e3436f73e8849e869depoger 105 return OMX_ErrorComponentNotFound; 106 } 107 108 sp<SoftOMXComponent> codec = 109 (*createSoftOMXComponent)(name, callbacks, appData, component); 110 111 if (codec == NULL) { 112 dlclose(libHandle); 113 libHandle = NULL; 114 115 return OMX_ErrorInsufficientResources; 116 } 117 118 OMX_ERRORTYPE err = codec->initCheck(); 119 if (err != OMX_ErrorNone) { 120 dlclose(libHandle); 121 libHandle = NULL; 122 123 return err; 124 } 125 126 codec->incStrong(this); 127 codec->setLibHandle(libHandle); 128 129 return OMX_ErrorNone; 130 } 131 132 return OMX_ErrorInvalidComponentName; 133} 134 135OMX_ERRORTYPE SoftOMXPlugin::destroyComponentInstance( 136 OMX_COMPONENTTYPE *component) { 137 SoftOMXComponent *me = 138 (SoftOMXComponent *) 139 ((OMX_COMPONENTTYPE *)component)->pComponentPrivate; 140 141 me->prepareForDestruction(); 142 143 void *libHandle = me->libHandle(); 144 145 CHECK_EQ(me->getStrongCount(), 1); 146 me->decStrong(this); 147 me = NULL; 148 149 dlclose(libHandle); 150 libHandle = NULL; 151 152 return OMX_ErrorNone; 153} 154 155OMX_ERRORTYPE SoftOMXPlugin::enumerateComponents( 156 OMX_STRING name, 157 size_t /* size */, 158 OMX_U32 index) { 159 if (index >= kNumComponents) { 160 return OMX_ErrorNoMore; 161 } 162 163 strcpy(name, kComponents[index].mName); 164 165 return OMX_ErrorNone; 166} 167 168OMX_ERRORTYPE SoftOMXPlugin::getRolesOfComponent( 169 const char *name, 170 Vector<String8> *roles) { 171 for (size_t i = 0; i < kNumComponents; ++i) { 172 if (strcmp(name, kComponents[i].mName)) { 173 continue; 174 } 175 176 roles->clear(); 177 roles->push(String8(kComponents[i].mRole)); 178 179 return OMX_ErrorNone; 180 } 181 182 return OMX_ErrorInvalidComponentName; 183} 184 185} // namespace android 186