MediaPlayerFactory.cpp revision 8ec1f2a4f3c72fe7472f8b8fa227f6b7bbc9279b
1/* 2** 3** Copyright 2012, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#define LOG_TAG "MediaPlayerFactory" 19#include <utils/Log.h> 20 21#include <cutils/properties.h> 22#include <media/IMediaPlayer.h> 23#include <media/stagefright/foundation/ADebug.h> 24#include <utils/Errors.h> 25#include <utils/misc.h> 26 27#include "MediaPlayerFactory.h" 28 29#include "MidiFile.h" 30#include "TestPlayerStub.h" 31#include "StagefrightPlayer.h" 32#include "nuplayer/NuPlayerDriver.h" 33 34namespace android { 35 36Mutex MediaPlayerFactory::sLock; 37MediaPlayerFactory::tFactoryMap MediaPlayerFactory::sFactoryMap; 38bool MediaPlayerFactory::sInitComplete = false; 39 40status_t MediaPlayerFactory::registerFactory_l(IFactory* factory, 41 player_type type) { 42 if (NULL == factory) { 43 ALOGE("Failed to register MediaPlayerFactory of type %d, factory is" 44 " NULL.", type); 45 return BAD_VALUE; 46 } 47 48 if (sFactoryMap.indexOfKey(type) >= 0) { 49 ALOGE("Failed to register MediaPlayerFactory of type %d, type is" 50 " already registered.", type); 51 return ALREADY_EXISTS; 52 } 53 54 if (sFactoryMap.add(type, factory) < 0) { 55 ALOGE("Failed to register MediaPlayerFactory of type %d, failed to add" 56 " to map.", type); 57 return UNKNOWN_ERROR; 58 } 59 60 return OK; 61} 62 63player_type MediaPlayerFactory::getDefaultPlayerType() { 64 char value[PROPERTY_VALUE_MAX]; 65 if (property_get("media.stagefright.use-nuplayer", value, NULL) 66 && (!strcmp("1", value) || !strcasecmp("true", value))) { 67 return NU_PLAYER; 68 } 69 70 return STAGEFRIGHT_PLAYER; 71} 72 73status_t MediaPlayerFactory::registerFactory(IFactory* factory, 74 player_type type) { 75 Mutex::Autolock lock_(&sLock); 76 return registerFactory_l(factory, type); 77} 78 79void MediaPlayerFactory::unregisterFactory(player_type type) { 80 Mutex::Autolock lock_(&sLock); 81 sFactoryMap.removeItem(type); 82} 83 84#define GET_PLAYER_TYPE_IMPL(a...) \ 85 Mutex::Autolock lock_(&sLock); \ 86 \ 87 player_type ret = STAGEFRIGHT_PLAYER; \ 88 float bestScore = 0.0; \ 89 \ 90 for (size_t i = 0; i < sFactoryMap.size(); ++i) { \ 91 \ 92 IFactory* v = sFactoryMap.valueAt(i); \ 93 float thisScore; \ 94 CHECK(v != NULL); \ 95 thisScore = v->scoreFactory(a, bestScore); \ 96 if (thisScore > bestScore) { \ 97 ret = sFactoryMap.keyAt(i); \ 98 bestScore = thisScore; \ 99 } \ 100 } \ 101 \ 102 if (0.0 == bestScore) { \ 103 bestScore = getDefaultPlayerType(); \ 104 } \ 105 \ 106 return ret; 107 108player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client, 109 const char* url) { 110 GET_PLAYER_TYPE_IMPL(client, url); 111} 112 113player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client, 114 int fd, 115 int64_t offset, 116 int64_t length) { 117 GET_PLAYER_TYPE_IMPL(client, fd, offset, length); 118} 119 120player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client, 121 const sp<IStreamSource> &source) { 122 GET_PLAYER_TYPE_IMPL(client, source); 123} 124 125#undef GET_PLAYER_TYPE_IMPL 126 127sp<MediaPlayerBase> MediaPlayerFactory::createPlayer( 128 player_type playerType, 129 void* cookie, 130 notify_callback_f notifyFunc) { 131 sp<MediaPlayerBase> p; 132 IFactory* factory; 133 status_t init_result; 134 Mutex::Autolock lock_(&sLock); 135 136 if (sFactoryMap.indexOfKey(playerType) < 0) { 137 ALOGE("Failed to create player object of type %d, no registered" 138 " factory", playerType); 139 return p; 140 } 141 142 factory = sFactoryMap.valueFor(playerType); 143 CHECK(NULL != factory); 144 p = factory->createPlayer(); 145 146 if (p == NULL) { 147 ALOGE("Failed to create player object of type %d, create failed", 148 playerType); 149 return p; 150 } 151 152 init_result = p->initCheck(); 153 if (init_result == NO_ERROR) { 154 p->setNotifyCallback(cookie, notifyFunc); 155 } else { 156 ALOGE("Failed to create player object of type %d, initCheck failed" 157 " (res = %d)", playerType, init_result); 158 p.clear(); 159 } 160 161 return p; 162} 163 164/***************************************************************************** 165 * * 166 * Built-In Factory Implementations * 167 * * 168 *****************************************************************************/ 169 170class StagefrightPlayerFactory : 171 public MediaPlayerFactory::IFactory { 172 public: 173 virtual float scoreFactory(const sp<IMediaPlayer>& client, 174 int fd, 175 int64_t offset, 176 int64_t length, 177 float curScore) { 178 char buf[20]; 179 lseek(fd, offset, SEEK_SET); 180 read(fd, buf, sizeof(buf)); 181 lseek(fd, offset, SEEK_SET); 182 183 long ident = *((long*)buf); 184 185 // Ogg vorbis? 186 if (ident == 0x5367674f) // 'OggS' 187 return 1.0; 188 189 return 0.0; 190 } 191 192 virtual sp<MediaPlayerBase> createPlayer() { 193 ALOGV(" create StagefrightPlayer"); 194 return new StagefrightPlayer(); 195 } 196}; 197 198class NuPlayerFactory : public MediaPlayerFactory::IFactory { 199 public: 200 virtual float scoreFactory(const sp<IMediaPlayer>& client, 201 const char* url, 202 float curScore) { 203 static const float kOurScore = 0.8; 204 205 if (kOurScore <= curScore) 206 return 0.0; 207 208 if (!strncasecmp("http://", url, 7) 209 || !strncasecmp("https://", url, 8)) { 210 size_t len = strlen(url); 211 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 212 return kOurScore; 213 } 214 215 if (strstr(url,"m3u8")) { 216 return kOurScore; 217 } 218 } 219 220 if (!strncasecmp("rtsp://", url, 7)) { 221 return kOurScore; 222 } 223 224 return 0.0; 225 } 226 227 virtual float scoreFactory(const sp<IMediaPlayer>& client, 228 const sp<IStreamSource> &source, 229 float curScore) { 230 return 1.0; 231 } 232 233 virtual sp<MediaPlayerBase> createPlayer() { 234 ALOGV(" create NuPlayer"); 235 return new NuPlayerDriver; 236 } 237}; 238 239class SonivoxPlayerFactory : public MediaPlayerFactory::IFactory { 240 public: 241 virtual float scoreFactory(const sp<IMediaPlayer>& client, 242 const char* url, 243 float curScore) { 244 static const float kOurScore = 0.4; 245 static const char* const FILE_EXTS[] = { ".mid", 246 ".midi", 247 ".smf", 248 ".xmf", 249 ".imy", 250 ".rtttl", 251 ".rtx", 252 ".ota" }; 253 if (kOurScore <= curScore) 254 return 0.0; 255 256 // use MidiFile for MIDI extensions 257 int lenURL = strlen(url); 258 for (int i = 0; i < NELEM(FILE_EXTS); ++i) { 259 int len = strlen(FILE_EXTS[i]); 260 int start = lenURL - len; 261 if (start > 0) { 262 if (!strncasecmp(url + start, FILE_EXTS[i], len)) { 263 return kOurScore; 264 } 265 } 266 } 267 268 return 0.0; 269 } 270 271 virtual float scoreFactory(const sp<IMediaPlayer>& client, 272 int fd, 273 int64_t offset, 274 int64_t length, 275 float curScore) { 276 static const float kOurScore = 0.8; 277 278 if (kOurScore <= curScore) 279 return 0.0; 280 281 // Some kind of MIDI? 282 EAS_DATA_HANDLE easdata; 283 if (EAS_Init(&easdata) == EAS_SUCCESS) { 284 EAS_FILE locator; 285 locator.path = NULL; 286 locator.fd = fd; 287 locator.offset = offset; 288 locator.length = length; 289 EAS_HANDLE eashandle; 290 if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { 291 EAS_CloseFile(easdata, eashandle); 292 EAS_Shutdown(easdata); 293 return kOurScore; 294 } 295 EAS_Shutdown(easdata); 296 } 297 298 return 0.0; 299 } 300 301 virtual sp<MediaPlayerBase> createPlayer() { 302 ALOGV(" create MidiFile"); 303 return new MidiFile(); 304 } 305}; 306 307class TestPlayerFactory : public MediaPlayerFactory::IFactory { 308 public: 309 virtual float scoreFactory(const sp<IMediaPlayer>& client, 310 const char* url, 311 float curScore) { 312 if (TestPlayerStub::canBeUsed(url)) { 313 return 1.0; 314 } 315 316 return 0.0; 317 } 318 319 virtual sp<MediaPlayerBase> createPlayer() { 320 ALOGV("Create Test Player stub"); 321 return new TestPlayerStub(); 322 } 323}; 324 325void MediaPlayerFactory::registerBuiltinFactories() { 326 Mutex::Autolock lock_(&sLock); 327 328 if (sInitComplete) 329 return; 330 331 registerFactory_l(new StagefrightPlayerFactory(), STAGEFRIGHT_PLAYER); 332 registerFactory_l(new NuPlayerFactory(), NU_PLAYER); 333 registerFactory_l(new SonivoxPlayerFactory(), SONIVOX_PLAYER); 334 registerFactory_l(new TestPlayerFactory(), TEST_PLAYER); 335 336 sInitComplete = true; 337} 338 339} // namespace android 340