1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_IMEDIAPLAYERSERVICE_H 18 #define ANDROID_IMEDIAPLAYERSERVICE_H 19 20 #include <utils/Errors.h> // for status_t 21 #include <utils/KeyedVector.h> 22 #include <utils/RefBase.h> 23 #include <utils/String8.h> 24 #include <binder/IInterface.h> 25 #include <binder/Parcel.h> 26 #include <system/audio.h> 27 28 #include <media/IMediaPlayerClient.h> 29 #include <media/IMediaPlayer.h> 30 #include <media/IMediaMetadataRetriever.h> 31 32 namespace android { 33 34 struct ICrypto; 35 struct IDrm; 36 struct IHDCP; 37 class IMediaRecorder; 38 class IOMX; 39 class IRemoteDisplay; 40 class IRemoteDisplayClient; 41 struct IStreamSource; 42 43 class IMediaPlayerService: public IInterface 44 { 45 public: 46 DECLARE_META_INTERFACE(MediaPlayerService); 47 48 virtual sp<IMediaRecorder> createMediaRecorder() = 0; 49 virtual sp<IMediaMetadataRetriever> createMetadataRetriever() = 0; 50 virtual sp<IMediaPlayer> create(const sp<IMediaPlayerClient>& client, int audioSessionId = 0) = 0; 51 52 virtual status_t decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, 53 audio_format_t* pFormat, 54 const sp<IMemoryHeap>& heap, size_t *pSize) = 0; 55 virtual status_t decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, 56 int* pNumChannels, audio_format_t* pFormat, 57 const sp<IMemoryHeap>& heap, size_t *pSize) = 0; 58 virtual sp<IOMX> getOMX() = 0; 59 virtual sp<ICrypto> makeCrypto() = 0; 60 virtual sp<IDrm> makeDrm() = 0; 61 virtual sp<IHDCP> makeHDCP(bool createEncryptionModule) = 0; 62 63 // Connects to a remote display. 64 // 'iface' specifies the address of the local interface on which to listen for 65 // a connection from the remote display as an ip address and port number 66 // of the form "x.x.x.x:y". The media server should call back into the provided remote 67 // display client when display connection, disconnection or errors occur. 68 // The assumption is that at most one remote display will be connected to the 69 // provided interface at a time. 70 virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client, 71 const String8& iface) = 0; 72 73 // codecs and audio devices usage tracking for the battery app 74 enum BatteryDataBits { 75 // tracking audio codec 76 kBatteryDataTrackAudio = 0x1, 77 // tracking video codec 78 kBatteryDataTrackVideo = 0x2, 79 // codec is started, otherwise codec is paused 80 kBatteryDataCodecStarted = 0x4, 81 // tracking decoder (for media player), 82 // otherwise tracking encoder (for media recorder) 83 kBatteryDataTrackDecoder = 0x8, 84 // start to play an audio on an audio device 85 kBatteryDataAudioFlingerStart = 0x10, 86 // stop/pause the audio playback 87 kBatteryDataAudioFlingerStop = 0x20, 88 // audio is rounted to speaker 89 kBatteryDataSpeakerOn = 0x40, 90 // audio is rounted to devices other than speaker 91 kBatteryDataOtherAudioDeviceOn = 0x80, 92 }; 93 94 virtual void addBatteryData(uint32_t params) = 0; 95 virtual status_t pullBatteryData(Parcel* reply) = 0; 96 97 virtual status_t updateProxyConfig( 98 const char *host, int32_t port, const char *exclusionList) = 0; 99 }; 100 101 // ---------------------------------------------------------------------------- 102 103 class BnMediaPlayerService: public BnInterface<IMediaPlayerService> 104 { 105 public: 106 virtual status_t onTransact( uint32_t code, 107 const Parcel& data, 108 Parcel* reply, 109 uint32_t flags = 0); 110 }; 111 112 }; // namespace android 113 114 #endif // ANDROID_IMEDIAPLAYERSERVICE_H 115