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/IMediaMetadataRetriever.h>
30 
31 namespace android {
32 
33 class IMediaPlayer;
34 class IMediaCodecList;
35 struct IMediaHTTPService;
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(const String16 &opPackageName) = 0;
48     virtual sp<IMediaMetadataRetriever> createMetadataRetriever() = 0;
49     virtual sp<IMediaPlayer> create(const sp<IMediaPlayerClient>& client,
50             audio_session_t audioSessionId = AUDIO_SESSION_ALLOCATE) = 0;
51     virtual sp<IMediaCodecList> getCodecList() const = 0;
52 
53     // Connects to a remote display.
54     // 'iface' specifies the address of the local interface on which to listen for
55     // a connection from the remote display as an ip address and port number
56     // of the form "x.x.x.x:y".  The media server should call back into the provided remote
57     // display client when display connection, disconnection or errors occur.
58     // The assumption is that at most one remote display will be connected to the
59     // provided interface at a time.
60     virtual sp<IRemoteDisplay> listenForRemoteDisplay(const String16 &opPackageName,
61             const sp<IRemoteDisplayClient>& client, const String8& iface) = 0;
62 
63     // codecs and audio devices usage tracking for the battery app
64     enum BatteryDataBits {
65         // tracking audio codec
66         kBatteryDataTrackAudio          = 0x1,
67         // tracking video codec
68         kBatteryDataTrackVideo          = 0x2,
69         // codec is started, otherwise codec is paused
70         kBatteryDataCodecStarted        = 0x4,
71         // tracking decoder (for media player),
72         // otherwise tracking encoder (for media recorder)
73         kBatteryDataTrackDecoder        = 0x8,
74         // start to play an audio on an audio device
75         kBatteryDataAudioFlingerStart   = 0x10,
76         // stop/pause the audio playback
77         kBatteryDataAudioFlingerStop    = 0x20,
78         // audio is rounted to speaker
79         kBatteryDataSpeakerOn           = 0x40,
80         // audio is rounted to devices other than speaker
81         kBatteryDataOtherAudioDeviceOn  = 0x80,
82     };
83 
84     virtual void addBatteryData(uint32_t params) = 0;
85     virtual status_t pullBatteryData(Parcel* reply) = 0;
86 };
87 
88 // ----------------------------------------------------------------------------
89 
90 class BnMediaPlayerService: public BnInterface<IMediaPlayerService>
91 {
92 public:
93     virtual status_t    onTransact( uint32_t code,
94                                     const Parcel& data,
95                                     Parcel* reply,
96                                     uint32_t flags = 0);
97 };
98 
99 }; // namespace android
100 
101 #endif // ANDROID_IMEDIAPLAYERSERVICE_H
102