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 IHDCP; 36 class IMediaRecorder; 37 class IOMX; 38 class IRemoteDisplay; 39 class IRemoteDisplayClient; 40 struct IStreamSource; 41 42 class IMediaPlayerService: public IInterface 43 { 44 public: 45 DECLARE_META_INTERFACE(MediaPlayerService); 46 47 virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid) = 0; 48 virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) = 0; 49 virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int audioSessionId = 0) = 0; 50 51 virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) = 0; 52 virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) = 0; 53 virtual sp<IOMX> getOMX() = 0; 54 virtual sp<ICrypto> makeCrypto() = 0; 55 virtual sp<IHDCP> makeHDCP() = 0; 56 57 // Connects to a remote display. 58 // 'iface' specifies the address of the local interface on which to listen for 59 // a connection from the remote display as an ip address and port number 60 // of the form "x.x.x.x:y". The media server should call back into the provided remote 61 // display client when display connection, disconnection or errors occur. 62 // The assumption is that at most one remote display will be connected to the 63 // provided interface at a time. 64 virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client, 65 const String8& iface) = 0; 66 67 // codecs and audio devices usage tracking for the battery app 68 enum BatteryDataBits { 69 // tracking audio codec 70 kBatteryDataTrackAudio = 0x1, 71 // tracking video codec 72 kBatteryDataTrackVideo = 0x2, 73 // codec is started, otherwise codec is paused 74 kBatteryDataCodecStarted = 0x4, 75 // tracking decoder (for media player), 76 // otherwise tracking encoder (for media recorder) 77 kBatteryDataTrackDecoder = 0x8, 78 // start to play an audio on an audio device 79 kBatteryDataAudioFlingerStart = 0x10, 80 // stop/pause the audio playback 81 kBatteryDataAudioFlingerStop = 0x20, 82 // audio is rounted to speaker 83 kBatteryDataSpeakerOn = 0x40, 84 // audio is rounted to devices other than speaker 85 kBatteryDataOtherAudioDeviceOn = 0x80, 86 }; 87 88 virtual void addBatteryData(uint32_t params) = 0; 89 virtual status_t pullBatteryData(Parcel* reply) = 0; 90 }; 91 92 // ---------------------------------------------------------------------------- 93 94 class BnMediaPlayerService: public BnInterface<IMediaPlayerService> 95 { 96 public: 97 virtual status_t onTransact( uint32_t code, 98 const Parcel& data, 99 Parcel* reply, 100 uint32_t flags = 0); 101 }; 102 103 }; // namespace android 104 105 #endif // ANDROID_IMEDIAPLAYERSERVICE_H 106
