IMediaPlayerService.h revision d681bbb1767bed09415e050ba78975df214bcd68 
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
27#include <media/IMediaPlayerClient.h>
28#include <media/IMediaPlayer.h>
29#include <media/IMediaMetadataRetriever.h>
30
31namespace android {
32
33class IMediaRecorder;
34class IOMX;
35struct IStreamSource;
36
37class IMediaPlayerService: public IInterface
38{
39public:
40    DECLARE_META_INTERFACE(MediaPlayerService);
41
42    virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid) = 0;
43    virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) = 0;
44    virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int audioSessionId = 0) = 0;
45
46    virtual sp<IMemory>         decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
47    virtual sp<IMemory>         decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
48    virtual sp<IOMX>            getOMX() = 0;
49
50    // codecs and audio devices usage tracking for the battery app
51    enum BatteryDataBits {
52        // tracking audio codec
53        kBatteryDataTrackAudio          = 0x1,
54        // tracking video codec
55        kBatteryDataTrackVideo          = 0x2,
56        // codec is started, otherwise codec is paused
57        kBatteryDataCodecStarted        = 0x4,
58        // tracking decoder (for media player),
59        // otherwise tracking encoder (for media recorder)
60        kBatteryDataTrackDecoder        = 0x8,
61        // start to play an audio on an audio device
62        kBatteryDataAudioFlingerStart   = 0x10,
63        // stop/pause the audio playback
64        kBatteryDataAudioFlingerStop    = 0x20,
65        // audio is rounted to speaker
66        kBatteryDataSpeakerOn           = 0x40,
67        // audio is rounted to devices other than speaker
68        kBatteryDataOtherAudioDeviceOn  = 0x80,
69    };
70
71    virtual void addBatteryData(uint32_t params) = 0;
72    virtual status_t pullBatteryData(Parcel* reply) = 0;
73};
74
75// ----------------------------------------------------------------------------
76
77class BnMediaPlayerService: public BnInterface<IMediaPlayerService>
78{
79public:
80    virtual status_t    onTransact( uint32_t code,
81                                    const Parcel& data,
82                                    Parcel* reply,
83                                    uint32_t flags = 0);
84};
85
86}; // namespace android
87
88#endif // ANDROID_IMEDIAPLAYERSERVICE_H
89