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 struct IMediaCodecList; 38 struct IMediaHTTPService; 39 class IMediaRecorder; 40 class IOMX; 41 class IRemoteDisplay; 42 class IRemoteDisplayClient; 43 struct IStreamSource; 44 45 class IMediaPlayerService: public IInterface 46 { 47 public: 48 DECLARE_META_INTERFACE(MediaPlayerService); 49 50 virtual sp<IMediaRecorder> createMediaRecorder() = 0; 51 virtual sp<IMediaMetadataRetriever> createMetadataRetriever() = 0; 52 virtual sp<IMediaPlayer> create(const sp<IMediaPlayerClient>& client, int audioSessionId = 0) = 0; 53 54 virtual status_t decode( 55 const sp<IMediaHTTPService> &httpService, 56 const char* url, 57 uint32_t *pSampleRate, 58 int* pNumChannels, 59 audio_format_t* pFormat, 60 const sp<IMemoryHeap>& heap, size_t *pSize) = 0; 61 62 virtual status_t decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, 63 int* pNumChannels, audio_format_t* pFormat, 64 const sp<IMemoryHeap>& heap, size_t *pSize) = 0; 65 virtual sp<IOMX> getOMX() = 0; 66 virtual sp<ICrypto> makeCrypto() = 0; 67 virtual sp<IDrm> makeDrm() = 0; 68 virtual sp<IHDCP> makeHDCP(bool createEncryptionModule) = 0; 69 virtual sp<IMediaCodecList> getCodecList() const = 0; 70 71 // Connects to a remote display. 72 // 'iface' specifies the address of the local interface on which to listen for 73 // a connection from the remote display as an ip address and port number 74 // of the form "x.x.x.x:y". The media server should call back into the provided remote 75 // display client when display connection, disconnection or errors occur. 76 // The assumption is that at most one remote display will be connected to the 77 // provided interface at a time. 78 virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client, 79 const String8& iface) = 0; 80 81 // codecs and audio devices usage tracking for the battery app 82 enum BatteryDataBits { 83 // tracking audio codec 84 kBatteryDataTrackAudio = 0x1, 85 // tracking video codec 86 kBatteryDataTrackVideo = 0x2, 87 // codec is started, otherwise codec is paused 88 kBatteryDataCodecStarted = 0x4, 89 // tracking decoder (for media player), 90 // otherwise tracking encoder (for media recorder) 91 kBatteryDataTrackDecoder = 0x8, 92 // start to play an audio on an audio device 93 kBatteryDataAudioFlingerStart = 0x10, 94 // stop/pause the audio playback 95 kBatteryDataAudioFlingerStop = 0x20, 96 // audio is rounted to speaker 97 kBatteryDataSpeakerOn = 0x40, 98 // audio is rounted to devices other than speaker 99 kBatteryDataOtherAudioDeviceOn = 0x80, 100 }; 101 102 virtual void addBatteryData(uint32_t params) = 0; 103 virtual status_t pullBatteryData(Parcel* reply) = 0; 104 }; 105 106 // ---------------------------------------------------------------------------- 107 108 class BnMediaPlayerService: public BnInterface<IMediaPlayerService> 109 { 110 public: 111 virtual status_t onTransact( uint32_t code, 112 const Parcel& data, 113 Parcel* reply, 114 uint32_t flags = 0); 115 }; 116 117 }; // namespace android 118 119 #endif // ANDROID_IMEDIAPLAYERSERVICE_H 120