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 24namespace android { 25 26class MediaPlayerFactory { 27 public: 28 class IFactory { 29 public: 30 virtual ~IFactory() { } 31 32 virtual float scoreFactory(const sp<IMediaPlayer>& client, 33 const char* url, 34 float curScore) { return 0.0; } 35 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 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 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