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_NDEBUG 0 19#define LOG_TAG "MediaPlayerFactory" 20#include <utils/Log.h> 21 22#include <cutils/properties.h> 23#include <media/IMediaPlayer.h> 24#include <media/stagefright/DataSource.h> 25#include <media/stagefright/FileSource.h> 26#include <media/stagefright/foundation/ADebug.h> 27#include <utils/Errors.h> 28#include <utils/misc.h> 29#include <../libstagefright/include/WVMExtractor.h> 30 31#include "MediaPlayerFactory.h" 32 33#include "TestPlayerStub.h" 34#include "StagefrightPlayer.h" 35#include "nuplayer/NuPlayerDriver.h" 36 37namespace android { 38 39Mutex MediaPlayerFactory::sLock; 40MediaPlayerFactory::tFactoryMap MediaPlayerFactory::sFactoryMap; 41bool MediaPlayerFactory::sInitComplete = false; 42 43status_t MediaPlayerFactory::registerFactory_l(IFactory* factory, 44 player_type type) { 45 if (NULL == factory) { 46 ALOGE("Failed to register MediaPlayerFactory of type %d, factory is" 47 " NULL.", type); 48 return BAD_VALUE; 49 } 50 51 if (sFactoryMap.indexOfKey(type) >= 0) { 52 ALOGE("Failed to register MediaPlayerFactory of type %d, type is" 53 " already registered.", type); 54 return ALREADY_EXISTS; 55 } 56 57 if (sFactoryMap.add(type, factory) < 0) { 58 ALOGE("Failed to register MediaPlayerFactory of type %d, failed to add" 59 " to map.", type); 60 return UNKNOWN_ERROR; 61 } 62 63 return OK; 64} 65 66static player_type getDefaultPlayerType() { 67 char value[PROPERTY_VALUE_MAX]; 68 if (property_get("media.stagefright.use-awesome", value, NULL) 69 && (!strcmp("1", value) || !strcasecmp("true", value))) { 70 return STAGEFRIGHT_PLAYER; 71 } 72 73 return NU_PLAYER; 74} 75 76status_t MediaPlayerFactory::registerFactory(IFactory* factory, 77 player_type type) { 78 Mutex::Autolock lock_(&sLock); 79 return registerFactory_l(factory, type); 80} 81 82void MediaPlayerFactory::unregisterFactory(player_type type) { 83 Mutex::Autolock lock_(&sLock); 84 sFactoryMap.removeItem(type); 85} 86 87#define GET_PLAYER_TYPE_IMPL(a...) \ 88 Mutex::Autolock lock_(&sLock); \ 89 \ 90 player_type ret = STAGEFRIGHT_PLAYER; \ 91 float bestScore = 0.0; \ 92 \ 93 for (size_t i = 0; i < sFactoryMap.size(); ++i) { \ 94 \ 95 IFactory* v = sFactoryMap.valueAt(i); \ 96 float thisScore; \ 97 CHECK(v != NULL); \ 98 thisScore = v->scoreFactory(a, bestScore); \ 99 if (thisScore > bestScore) { \ 100 ret = sFactoryMap.keyAt(i); \ 101 bestScore = thisScore; \ 102 } \ 103 } \ 104 \ 105 if (0.0 == bestScore) { \ 106 ret = getDefaultPlayerType(); \ 107 } \ 108 \ 109 return ret; 110 111player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client, 112 const char* url) { 113 GET_PLAYER_TYPE_IMPL(client, url); 114} 115 116player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client, 117 int fd, 118 int64_t offset, 119 int64_t length) { 120 GET_PLAYER_TYPE_IMPL(client, fd, offset, length); 121} 122 123player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client, 124 const sp<IStreamSource> &source) { 125 GET_PLAYER_TYPE_IMPL(client, source); 126} 127 128player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client, 129 const sp<DataSource> &source) { 130 GET_PLAYER_TYPE_IMPL(client, source); 131} 132 133#undef GET_PLAYER_TYPE_IMPL 134 135sp<MediaPlayerBase> MediaPlayerFactory::createPlayer( 136 player_type playerType, 137 void* cookie, 138 notify_callback_f notifyFunc, 139 pid_t pid) { 140 sp<MediaPlayerBase> p; 141 IFactory* factory; 142 status_t init_result; 143 Mutex::Autolock lock_(&sLock); 144 145 if (sFactoryMap.indexOfKey(playerType) < 0) { 146 ALOGE("Failed to create player object of type %d, no registered" 147 " factory", playerType); 148 return p; 149 } 150 151 factory = sFactoryMap.valueFor(playerType); 152 CHECK(NULL != factory); 153 p = factory->createPlayer(pid); 154 155 if (p == NULL) { 156 ALOGE("Failed to create player object of type %d, create failed", 157 playerType); 158 return p; 159 } 160 161 init_result = p->initCheck(); 162 if (init_result == NO_ERROR) { 163 p->setNotifyCallback(cookie, notifyFunc); 164 } else { 165 ALOGE("Failed to create player object of type %d, initCheck failed" 166 " (res = %d)", playerType, init_result); 167 p.clear(); 168 } 169 170 return p; 171} 172 173/***************************************************************************** 174 * * 175 * Built-In Factory Implementations * 176 * * 177 *****************************************************************************/ 178 179class StagefrightPlayerFactory : 180 public MediaPlayerFactory::IFactory { 181 public: 182 virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/, 183 int fd, 184 int64_t offset, 185 int64_t length, 186 float /*curScore*/) { 187 if (legacyDrm()) { 188 sp<DataSource> source = new FileSource(dup(fd), offset, length); 189 String8 mimeType; 190 float confidence; 191 if (SniffWVM(source, &mimeType, &confidence, NULL /* format */)) { 192 return 1.0; 193 } 194 } 195 196 if (getDefaultPlayerType() == STAGEFRIGHT_PLAYER) { 197 char buf[20]; 198 lseek(fd, offset, SEEK_SET); 199 read(fd, buf, sizeof(buf)); 200 lseek(fd, offset, SEEK_SET); 201 202 uint32_t ident = *((uint32_t*)buf); 203 204 // Ogg vorbis? 205 if (ident == 0x5367674f) // 'OggS' 206 return 1.0; 207 } 208 209 return 0.0; 210 } 211 212 virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/, 213 const char* url, 214 float /*curScore*/) { 215 if (legacyDrm() && !strncasecmp("widevine://", url, 11)) { 216 return 1.0; 217 } 218 return 0.0; 219 } 220 221 virtual sp<MediaPlayerBase> createPlayer(pid_t /* pid */) { 222 ALOGV(" create StagefrightPlayer"); 223 return new StagefrightPlayer(); 224 } 225 private: 226 bool legacyDrm() { 227 char value[PROPERTY_VALUE_MAX]; 228 if (property_get("persist.sys.media.legacy-drm", value, NULL) 229 && (!strcmp("1", value) || !strcasecmp("true", value))) { 230 return true; 231 } 232 return false; 233 } 234}; 235 236class NuPlayerFactory : public MediaPlayerFactory::IFactory { 237 public: 238 virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/, 239 const char* url, 240 float curScore) { 241 static const float kOurScore = 0.8; 242 243 if (kOurScore <= curScore) 244 return 0.0; 245 246 if (!strncasecmp("http://", url, 7) 247 || !strncasecmp("https://", url, 8) 248 || !strncasecmp("file://", url, 7)) { 249 size_t len = strlen(url); 250 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 251 return kOurScore; 252 } 253 254 if (strstr(url,"m3u8")) { 255 return kOurScore; 256 } 257 258 if ((len >= 4 && !strcasecmp(".sdp", &url[len - 4])) || strstr(url, ".sdp?")) { 259 return kOurScore; 260 } 261 } 262 263 if (!strncasecmp("rtsp://", url, 7)) { 264 return kOurScore; 265 } 266 267 return 0.0; 268 } 269 270 virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/, 271 const sp<IStreamSource>& /*source*/, 272 float /*curScore*/) { 273 return 1.0; 274 } 275 276 virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/, 277 const sp<DataSource>& /*source*/, 278 float /*curScore*/) { 279 // Only NuPlayer supports setting a DataSource source directly. 280 return 1.0; 281 } 282 283 virtual sp<MediaPlayerBase> createPlayer(pid_t pid) { 284 ALOGV(" create NuPlayer"); 285 return new NuPlayerDriver(pid); 286 } 287}; 288 289class TestPlayerFactory : public MediaPlayerFactory::IFactory { 290 public: 291 virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/, 292 const char* url, 293 float /*curScore*/) { 294 if (TestPlayerStub::canBeUsed(url)) { 295 return 1.0; 296 } 297 298 return 0.0; 299 } 300 301 virtual sp<MediaPlayerBase> createPlayer(pid_t /* pid */) { 302 ALOGV("Create Test Player stub"); 303 return new TestPlayerStub(); 304 } 305}; 306 307void MediaPlayerFactory::registerBuiltinFactories() { 308 Mutex::Autolock lock_(&sLock); 309 310 if (sInitComplete) 311 return; 312 313 registerFactory_l(new StagefrightPlayerFactory(), STAGEFRIGHT_PLAYER); 314 registerFactory_l(new NuPlayerFactory(), NU_PLAYER); 315 registerFactory_l(new TestPlayerFactory(), TEST_PLAYER); 316 317 sInitComplete = true; 318} 319 320} // namespace android 321