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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 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(const String16 &opPackageName) = 0;
     51     virtual sp<IMediaMetadataRetriever> createMetadataRetriever() = 0;
     52     virtual sp<IMediaPlayer> create(const sp<IMediaPlayerClient>& client, int audioSessionId = 0)
     53             = 0;
     54 
     55     virtual sp<IOMX>            getOMX() = 0;
     56     virtual sp<ICrypto>         makeCrypto() = 0;
     57     virtual sp<IDrm>            makeDrm() = 0;
     58     virtual sp<IHDCP>           makeHDCP(bool createEncryptionModule) = 0;
     59     virtual sp<IMediaCodecList> getCodecList() const = 0;
     60 
     61     // Connects to a remote display.
     62     // 'iface' specifies the address of the local interface on which to listen for
     63     // a connection from the remote display as an ip address and port number
     64     // of the form "x.x.x.x:y".  The media server should call back into the provided remote
     65     // display client when display connection, disconnection or errors occur.
     66     // The assumption is that at most one remote display will be connected to the
     67     // provided interface at a time.
     68     virtual sp<IRemoteDisplay> listenForRemoteDisplay(const String16 &opPackageName,
     69             const sp<IRemoteDisplayClient>& client, const String8& iface) = 0;
     70 
     71     // codecs and audio devices usage tracking for the battery app
     72     enum BatteryDataBits {
     73         // tracking audio codec
     74         kBatteryDataTrackAudio          = 0x1,
     75         // tracking video codec
     76         kBatteryDataTrackVideo          = 0x2,
     77         // codec is started, otherwise codec is paused
     78         kBatteryDataCodecStarted        = 0x4,
     79         // tracking decoder (for media player),
     80         // otherwise tracking encoder (for media recorder)
     81         kBatteryDataTrackDecoder        = 0x8,
     82         // start to play an audio on an audio device
     83         kBatteryDataAudioFlingerStart   = 0x10,
     84         // stop/pause the audio playback
     85         kBatteryDataAudioFlingerStop    = 0x20,
     86         // audio is rounted to speaker
     87         kBatteryDataSpeakerOn           = 0x40,
     88         // audio is rounted to devices other than speaker
     89         kBatteryDataOtherAudioDeviceOn  = 0x80,
     90     };
     91 
     92     virtual void addBatteryData(uint32_t params) = 0;
     93     virtual status_t pullBatteryData(Parcel* reply) = 0;
     94 };
     95 
     96 // ----------------------------------------------------------------------------
     97 
     98 class BnMediaPlayerService: public BnInterface<IMediaPlayerService>
     99 {
    100 public:
    101     virtual status_t    onTransact( uint32_t code,
    102                                     const Parcel& data,
    103                                     Parcel* reply,
    104                                     uint32_t flags = 0);
    105 };
    106 
    107 }; // namespace android
    108 
    109 #endif // ANDROID_IMEDIAPLAYERSERVICE_H
    110