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 #ifndef ANDROID_MEDIAPLAYERFACTORY_H 19 #define ANDROID_MEDIAPLAYERFACTORY_H 20 21 #include <media/MediaPlayerInterface.h> 22 #include <media/stagefright/foundation/ABase.h> 23 24 namespace android { 25 26 class MediaPlayerFactory { 27 public: 28 class IFactory { 29 public: ~IFactory()30 virtual ~IFactory() { } 31 scoreFactory(const sp<IMediaPlayer> & client,const char * url,float curScore)32 virtual float scoreFactory(const sp<IMediaPlayer>& client, 33 const char* url, 34 float curScore) { return 0.0; } 35 scoreFactory(const sp<IMediaPlayer> & client,int fd,int64_t offset,int64_t length,float curScore)36 virtual float scoreFactory(const sp<IMediaPlayer>& client, 37 int fd, 38 int64_t offset, 39 int64_t length, 40 float curScore) { return 0.0; } 41 scoreFactory(const sp<IMediaPlayer> & client,const sp<IStreamSource> & source,float curScore)42 virtual float scoreFactory(const sp<IMediaPlayer>& client, 43 const sp<IStreamSource> &source, 44 float curScore) { return 0.0; } 45 46 virtual sp<MediaPlayerBase> createPlayer() = 0; 47 }; 48 49 static status_t registerFactory(IFactory* factory, 50 player_type type); 51 static void unregisterFactory(player_type type); 52 static player_type getPlayerType(const sp<IMediaPlayer>& client, 53 const char* url); 54 static player_type getPlayerType(const sp<IMediaPlayer>& client, 55 int fd, 56 int64_t offset, 57 int64_t length); 58 static player_type getPlayerType(const sp<IMediaPlayer>& client, 59 const sp<IStreamSource> &source); 60 61 static sp<MediaPlayerBase> createPlayer(player_type playerType, 62 void* cookie, 63 notify_callback_f notifyFunc); 64 65 static void registerBuiltinFactories(); 66 67 private: 68 typedef KeyedVector<player_type, IFactory*> tFactoryMap; 69 MediaPlayerFactory()70 MediaPlayerFactory() { } 71 72 static status_t registerFactory_l(IFactory* factory, 73 player_type type); 74 static player_type getDefaultPlayerType(); 75 76 static Mutex sLock; 77 static tFactoryMap sFactoryMap; 78 static bool sInitComplete; 79 80 DISALLOW_EVIL_CONSTRUCTORS(MediaPlayerFactory); 81 }; 82 83 } // namespace android 84 #endif // ANDROID_MEDIAPLAYERFACTORY_H 85