1/* 2 * Copyright (C) 2011 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//#define LOG_NDEBUG 0 18#define LOG_TAG "SoftOMXPlugin" 19#include <utils/Log.h> 20 21#include "SoftOMXPlugin.h" 22#include "include/SoftOMXComponent.h" 23 24#include <media/stagefright/foundation/ADebug.h> 25#include <media/stagefright/foundation/AString.h> 26 27#include <dlfcn.h> 28 29namespace android { 30 31static const struct { 32 const char *mName; 33 const char *mLibNameSuffix; 34 const char *mRole; 35 36} kComponents[] = { 37 { "OMX.google.aac.decoder", "aacdec", "audio_decoder.aac" }, 38 { "OMX.google.aac.encoder", "aacenc", "audio_encoder.aac" }, 39 { "OMX.google.amrnb.decoder", "amrdec", "audio_decoder.amrnb" }, 40 { "OMX.google.amrnb.encoder", "amrnbenc", "audio_encoder.amrnb" }, 41 { "OMX.google.amrwb.decoder", "amrdec", "audio_decoder.amrwb" }, 42 { "OMX.google.amrwb.encoder", "amrwbenc", "audio_encoder.amrwb" }, 43 { "OMX.google.h264.decoder", "avcdec", "video_decoder.avc" }, 44 { "OMX.google.h264.encoder", "avcenc", "video_encoder.avc" }, 45 { "OMX.google.hevc.decoder", "hevcdec", "video_decoder.hevc" }, 46 { "OMX.google.g711.alaw.decoder", "g711dec", "audio_decoder.g711alaw" }, 47 { "OMX.google.g711.mlaw.decoder", "g711dec", "audio_decoder.g711mlaw" }, 48 { "OMX.google.mpeg2.decoder", "mpeg2dec", "video_decoder.mpeg2" }, 49 { "OMX.google.h263.decoder", "mpeg4dec", "video_decoder.h263" }, 50 { "OMX.google.h263.encoder", "mpeg4enc", "video_encoder.h263" }, 51 { "OMX.google.mpeg4.decoder", "mpeg4dec", "video_decoder.mpeg4" }, 52 { "OMX.google.mpeg4.encoder", "mpeg4enc", "video_encoder.mpeg4" }, 53 { "OMX.google.mp3.decoder", "mp3dec", "audio_decoder.mp3" }, 54 { "OMX.google.vorbis.decoder", "vorbisdec", "audio_decoder.vorbis" }, 55 { "OMX.google.opus.decoder", "opusdec", "audio_decoder.opus" }, 56 { "OMX.google.vp8.decoder", "vpxdec", "video_decoder.vp8" }, 57 { "OMX.google.vp9.decoder", "vpxdec", "video_decoder.vp9" }, 58 { "OMX.google.vp8.encoder", "vpxenc", "video_encoder.vp8" }, 59 { "OMX.google.vp9.encoder", "vpxenc", "video_encoder.vp9" }, 60 { "OMX.google.raw.decoder", "rawdec", "audio_decoder.raw" }, 61 { "OMX.google.flac.encoder", "flacenc", "audio_encoder.flac" }, 62 { "OMX.google.gsm.decoder", "gsmdec", "audio_decoder.gsm" }, 63}; 64 65static const size_t kNumComponents = 66 sizeof(kComponents) / sizeof(kComponents[0]); 67 68SoftOMXPlugin::SoftOMXPlugin() { 69} 70 71OMX_ERRORTYPE SoftOMXPlugin::makeComponentInstance( 72 const char *name, 73 const OMX_CALLBACKTYPE *callbacks, 74 OMX_PTR appData, 75 OMX_COMPONENTTYPE **component) { 76 ALOGV("makeComponentInstance '%s'", name); 77 78 for (size_t i = 0; i < kNumComponents; ++i) { 79 if (strcmp(name, kComponents[i].mName)) { 80 continue; 81 } 82 83 AString libName = "libstagefright_soft_"; 84 libName.append(kComponents[i].mLibNameSuffix); 85 libName.append(".so"); 86 87 void *libHandle = dlopen(libName.c_str(), RTLD_NOW); 88 89 if (libHandle == NULL) { 90 ALOGE("unable to dlopen %s: %s", libName.c_str(), dlerror()); 91 92 return OMX_ErrorComponentNotFound; 93 } 94 95 typedef SoftOMXComponent *(*CreateSoftOMXComponentFunc)( 96 const char *, const OMX_CALLBACKTYPE *, 97 OMX_PTR, OMX_COMPONENTTYPE **); 98 99 CreateSoftOMXComponentFunc createSoftOMXComponent = 100 (CreateSoftOMXComponentFunc)dlsym( 101 libHandle, 102 "_Z22createSoftOMXComponentPKcPK16OMX_CALLBACKTYPE" 103 "PvPP17OMX_COMPONENTTYPE"); 104 105 if (createSoftOMXComponent == NULL) { 106 dlclose(libHandle); 107 libHandle = NULL; 108 109 return OMX_ErrorComponentNotFound; 110 } 111 112 sp<SoftOMXComponent> codec = 113 (*createSoftOMXComponent)(name, callbacks, appData, component); 114 115 if (codec == NULL) { 116 dlclose(libHandle); 117 libHandle = NULL; 118 119 return OMX_ErrorInsufficientResources; 120 } 121 122 OMX_ERRORTYPE err = codec->initCheck(); 123 if (err != OMX_ErrorNone) { 124 dlclose(libHandle); 125 libHandle = NULL; 126 127 return err; 128 } 129 130 codec->incStrong(this); 131 codec->setLibHandle(libHandle); 132 133 return OMX_ErrorNone; 134 } 135 136 return OMX_ErrorInvalidComponentName; 137} 138 139OMX_ERRORTYPE SoftOMXPlugin::destroyComponentInstance( 140 OMX_COMPONENTTYPE *component) { 141 SoftOMXComponent *me = 142 (SoftOMXComponent *) 143 ((OMX_COMPONENTTYPE *)component)->pComponentPrivate; 144 145 me->prepareForDestruction(); 146 147 void *libHandle = me->libHandle(); 148 149 CHECK_EQ(me->getStrongCount(), 1); 150 me->decStrong(this); 151 me = NULL; 152 153 dlclose(libHandle); 154 libHandle = NULL; 155 156 return OMX_ErrorNone; 157} 158 159OMX_ERRORTYPE SoftOMXPlugin::enumerateComponents( 160 OMX_STRING name, 161 size_t /* size */, 162 OMX_U32 index) { 163 if (index >= kNumComponents) { 164 return OMX_ErrorNoMore; 165 } 166 167 strcpy(name, kComponents[index].mName); 168 169 return OMX_ErrorNone; 170} 171 172OMX_ERRORTYPE SoftOMXPlugin::getRolesOfComponent( 173 const char *name, 174 Vector<String8> *roles) { 175 for (size_t i = 0; i < kNumComponents; ++i) { 176 if (strcmp(name, kComponents[i].mName)) { 177 continue; 178 } 179 180 roles->clear(); 181 roles->push(String8(kComponents[i].mRole)); 182 183 return OMX_ErrorNone; 184 } 185 186 return OMX_ErrorInvalidComponentName; 187} 188 189} // namespace android 190