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 float scoreFactory(const sp<IMediaPlayer>& /*client*/, 47 const sp<DataSource> &/*source*/, 48 float /*curScore*/) { return 0.0; } 49 50 virtual sp<MediaPlayerBase> createPlayer(pid_t pid) = 0; 51 }; 52 53 static status_t registerFactory(IFactory* factory, 54 player_type type); 55 static void unregisterFactory(player_type type); 56 static player_type getPlayerType(const sp<IMediaPlayer>& client, 57 const char* url); 58 static player_type getPlayerType(const sp<IMediaPlayer>& client, 59 int fd, 60 int64_t offset, 61 int64_t length); 62 static player_type getPlayerType(const sp<IMediaPlayer>& client, 63 const sp<IStreamSource> &source); 64 static player_type getPlayerType(const sp<IMediaPlayer>& client, 65 const sp<DataSource> &source); 66 67 static sp<MediaPlayerBase> createPlayer(player_type playerType, 68 const sp<MediaPlayerBase::Listener> &listener, 69 pid_t pid); 70 71 static void registerBuiltinFactories(); 72 73 private: 74 typedef KeyedVector<player_type, IFactory*> tFactoryMap; 75 76 MediaPlayerFactory() { } 77 78 static status_t registerFactory_l(IFactory* factory, 79 player_type type); 80 81 static Mutex sLock; 82 static tFactoryMap sFactoryMap; 83 static bool sInitComplete; 84 85 DISALLOW_EVIL_CONSTRUCTORS(MediaPlayerFactory); 86}; 87 88} // namespace android 89#endif // ANDROID_MEDIAPLAYERFACTORY_H 90