MediaPlayerFactory.cpp revision 198a893671ce80d951625fe328a92073306660d0
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 ret = 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 if ((len >= 4 && !strcasecmp(".sdp", &url[len - 4])) || strstr(url, ".sdp?")) { 220 return kOurScore; 221 } 222 } 223 224 if (!strncasecmp("rtsp://", url, 7)) { 225 return kOurScore; 226 } 227 228 return 0.0; 229 } 230 231 virtual float scoreFactory(const sp<IMediaPlayer>& client, 232 const sp<IStreamSource> &source, 233 float curScore) { 234 return 1.0; 235 } 236 237 virtual sp<MediaPlayerBase> createPlayer() { 238 ALOGV(" create NuPlayer"); 239 return new NuPlayerDriver; 240 } 241}; 242 243class SonivoxPlayerFactory : public MediaPlayerFactory::IFactory { 244 public: 245 virtual float scoreFactory(const sp<IMediaPlayer>& client, 246 const char* url, 247 float curScore) { 248 static const float kOurScore = 0.4; 249 static const char* const FILE_EXTS[] = { ".mid", 250 ".midi", 251 ".smf", 252 ".xmf", 253 ".mxmf", 254 ".imy", 255 ".rtttl", 256 ".rtx", 257 ".ota" }; 258 if (kOurScore <= curScore) 259 return 0.0; 260 261 // use MidiFile for MIDI extensions 262 int lenURL = strlen(url); 263 for (int i = 0; i < NELEM(FILE_EXTS); ++i) { 264 int len = strlen(FILE_EXTS[i]); 265 int start = lenURL - len; 266 if (start > 0) { 267 if (!strncasecmp(url + start, FILE_EXTS[i], len)) { 268 return kOurScore; 269 } 270 } 271 } 272 273 return 0.0; 274 } 275 276 virtual float scoreFactory(const sp<IMediaPlayer>& client, 277 int fd, 278 int64_t offset, 279 int64_t length, 280 float curScore) { 281 static const float kOurScore = 0.8; 282 283 if (kOurScore <= curScore) 284 return 0.0; 285 286 // Some kind of MIDI? 287 EAS_DATA_HANDLE easdata; 288 if (EAS_Init(&easdata) == EAS_SUCCESS) { 289 EAS_FILE locator; 290 locator.path = NULL; 291 locator.fd = fd; 292 locator.offset = offset; 293 locator.length = length; 294 EAS_HANDLE eashandle; 295 if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { 296 EAS_CloseFile(easdata, eashandle); 297 EAS_Shutdown(easdata); 298 return kOurScore; 299 } 300 EAS_Shutdown(easdata); 301 } 302 303 return 0.0; 304 } 305 306 virtual sp<MediaPlayerBase> createPlayer() { 307 ALOGV(" create MidiFile"); 308 return new MidiFile(); 309 } 310}; 311 312class TestPlayerFactory : public MediaPlayerFactory::IFactory { 313 public: 314 virtual float scoreFactory(const sp<IMediaPlayer>& client, 315 const char* url, 316 float curScore) { 317 if (TestPlayerStub::canBeUsed(url)) { 318 return 1.0; 319 } 320 321 return 0.0; 322 } 323 324 virtual sp<MediaPlayerBase> createPlayer() { 325 ALOGV("Create Test Player stub"); 326 return new TestPlayerStub(); 327 } 328}; 329 330void MediaPlayerFactory::registerBuiltinFactories() { 331 Mutex::Autolock lock_(&sLock); 332 333 if (sInitComplete) 334 return; 335 336 registerFactory_l(new StagefrightPlayerFactory(), STAGEFRIGHT_PLAYER); 337 registerFactory_l(new NuPlayerFactory(), NU_PLAYER); 338 registerFactory_l(new SonivoxPlayerFactory(), SONIVOX_PLAYER); 339 registerFactory_l(new TestPlayerFactory(), TEST_PLAYER); 340 341 sInitComplete = true; 342} 343 344} // namespace android 345