IMediaPlayer.h revision 8e1b6cce24574b9ecd5b0300155776bd0b4ef756 
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_IMEDIAPLAYER_H
18#define ANDROID_IMEDIAPLAYER_H
19
20#include <utils/RefBase.h>
21#include <binder/IInterface.h>
22#include <binder/Parcel.h>
23
24namespace android {
25
26class Parcel;
27class ISurface;
28
29class IMediaPlayer: public IInterface
30{
31public:
32    DECLARE_META_INTERFACE(MediaPlayer);
33
34    virtual void            disconnect() = 0;
35
36    virtual status_t        setVideoSurface(const sp<ISurface>& surface) = 0;
37    virtual status_t        prepareAsync() = 0;
38    virtual status_t        start() = 0;
39    virtual status_t        stop() = 0;
40    virtual status_t        pause() = 0;
41    virtual status_t        isPlaying(bool* state) = 0;
42    virtual status_t        seekTo(int msec) = 0;
43    virtual status_t        getCurrentPosition(int* msec) = 0;
44    virtual status_t        getDuration(int* msec) = 0;
45    virtual status_t        reset() = 0;
46    virtual status_t        setAudioStreamType(int type) = 0;
47    virtual status_t        setLooping(int loop) = 0;
48    virtual status_t        setVolume(float leftVolume, float rightVolume) = 0;
49
50    // Invoke a generic method on the player by using opaque parcels
51    // for the request and reply.
52    // @param request Parcel that must start with the media player
53    // interface token.
54    // @param[out] reply Parcel to hold the reply data. Cannot be null.
55    // @return OK if the invocation was made successfully.
56    virtual status_t        invoke(const Parcel& request, Parcel *reply) = 0;
57
58    // Set a new metadata filter.
59    // @param filter A set of allow and drop rules serialized in a Parcel.
60    // @return OK if the invocation was made successfully.
61    virtual status_t        setMetadataFilter(const Parcel& filter) = 0;
62
63    // Retrieve a set of metadata.
64    // @param update_only Include only the metadata that have changed
65    //                    since the last invocation of getMetadata.
66    //                    The set is built using the unfiltered
67    //                    notifications the native player sent to the
68    //                    MediaPlayerService during that period of
69    //                    time. If false, all the metadatas are considered.
70    // @param apply_filter If true, once the metadata set has been built based
71    //                     on the value update_only, the current filter is
72    //                     applied.
73    // @param[out] metadata On exit contains a set (possibly empty) of metadata.
74    //                      Valid only if the call returned OK.
75    // @return OK if the invocation was made successfully.
76    virtual status_t        getMetadata(bool update_only,
77                                        bool apply_filter,
78                                        Parcel *metadata) = 0;
79};
80
81// ----------------------------------------------------------------------------
82
83class BnMediaPlayer: public BnInterface<IMediaPlayer>
84{
85public:
86    virtual status_t    onTransact( uint32_t code,
87                                    const Parcel& data,
88                                    Parcel* reply,
89                                    uint32_t flags = 0);
90};
91
92}; // namespace android
93
94#endif // ANDROID_IMEDIAPLAYER_H
95