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      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 IHDCP;
     35 struct IMediaCodecList;
     36 struct IMediaHTTPService;
     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(const String16 &opPackageName) = 0;
     49     virtual sp<IMediaMetadataRetriever> createMetadataRetriever() = 0;
     50     virtual sp<IMediaPlayer> create(const sp<IMediaPlayerClient>& client,
     51             audio_session_t audioSessionId = AUDIO_SESSION_ALLOCATE) = 0;
     52     virtual sp<IOMX>            getOMX() = 0;
     53     virtual sp<IHDCP>           makeHDCP(bool createEncryptionModule) = 0;
     54     virtual sp<IMediaCodecList> getCodecList() const = 0;
     55 
     56     // Connects to a remote display.
     57     // 'iface' specifies the address of the local interface on which to listen for
     58     // a connection from the remote display as an ip address and port number
     59     // of the form "x.x.x.x:y".  The media server should call back into the provided remote
     60     // display client when display connection, disconnection or errors occur.
     61     // The assumption is that at most one remote display will be connected to the
     62     // provided interface at a time.
     63     virtual sp<IRemoteDisplay> listenForRemoteDisplay(const String16 &opPackageName,
     64             const sp<IRemoteDisplayClient>& client, const String8& iface) = 0;
     65 
     66     // codecs and audio devices usage tracking for the battery app
     67     enum BatteryDataBits {
     68         // tracking audio codec
     69         kBatteryDataTrackAudio          = 0x1,
     70         // tracking video codec
     71         kBatteryDataTrackVideo          = 0x2,
     72         // codec is started, otherwise codec is paused
     73         kBatteryDataCodecStarted        = 0x4,
     74         // tracking decoder (for media player),
     75         // otherwise tracking encoder (for media recorder)
     76         kBatteryDataTrackDecoder        = 0x8,
     77         // start to play an audio on an audio device
     78         kBatteryDataAudioFlingerStart   = 0x10,
     79         // stop/pause the audio playback
     80         kBatteryDataAudioFlingerStop    = 0x20,
     81         // audio is rounted to speaker
     82         kBatteryDataSpeakerOn           = 0x40,
     83         // audio is rounted to devices other than speaker
     84         kBatteryDataOtherAudioDeviceOn  = 0x80,
     85     };
     86 
     87     virtual void addBatteryData(uint32_t params) = 0;
     88     virtual status_t pullBatteryData(Parcel* reply) = 0;
     89 };
     90 
     91 // ----------------------------------------------------------------------------
     92 
     93 class BnMediaPlayerService: public BnInterface<IMediaPlayerService>
     94 {
     95 public:
     96     virtual status_t    onTransact( uint32_t code,
     97                                     const Parcel& data,
     98                                     Parcel* reply,
     99                                     uint32_t flags = 0);
    100 };
    101 
    102 }; // namespace android
    103 
    104 #endif // ANDROID_IMEDIAPLAYERSERVICE_H
    105