IMediaPlayerService.h revision 8d6cc842e8d525405c68e57fdf3bc5da0b4d7e87 
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
32namespace android {
33
34struct ICrypto;
35struct IHDCP;
36class IMediaRecorder;
37class IOMX;
38class IRemoteDisplay;
39class IRemoteDisplayClient;
40struct IStreamSource;
41
42class IMediaPlayerService: public IInterface
43{
44public:
45    DECLARE_META_INTERFACE(MediaPlayerService);
46
47    virtual sp<IMediaRecorder> createMediaRecorder() = 0;
48    virtual sp<IMediaMetadataRetriever> createMetadataRetriever() = 0;
49    virtual sp<IMediaPlayer> create(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
94class BnMediaPlayerService: public BnInterface<IMediaPlayerService>
95{
96public:
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