IMediaPlayer.h revision abf471f9d25f7a3104c5723657e3c6c329f3f08c 
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 Surface;
28class ISurfaceTexture;
29
30class IMediaPlayer: public IInterface
31{
32public:
33    DECLARE_META_INTERFACE(MediaPlayer);
34
35    virtual void            disconnect() = 0;
36
37    virtual status_t        setVideoSurface(const sp<Surface>& surface) = 0;
38    virtual status_t        setVideoSurfaceTexture(
39                                    const sp<ISurfaceTexture>& surfaceTexture) = 0;
40    virtual status_t        prepareAsync() = 0;
41    virtual status_t        start() = 0;
42    virtual status_t        stop() = 0;
43    virtual status_t        pause() = 0;
44    virtual status_t        isPlaying(bool* state) = 0;
45    virtual status_t        seekTo(int msec) = 0;
46    virtual status_t        getCurrentPosition(int* msec) = 0;
47    virtual status_t        getDuration(int* msec) = 0;
48    virtual status_t        reset() = 0;
49    virtual status_t        setAudioStreamType(int type) = 0;
50    virtual status_t        setLooping(int loop) = 0;
51    virtual status_t        setVolume(float leftVolume, float rightVolume) = 0;
52    virtual status_t        setAuxEffectSendLevel(float level) = 0;
53    virtual status_t        attachAuxEffect(int effectId) = 0;
54
55    // Invoke a generic method on the player by using opaque parcels
56    // for the request and reply.
57    // @param request Parcel that must start with the media player
58    // interface token.
59    // @param[out] reply Parcel to hold the reply data. Cannot be null.
60    // @return OK if the invocation was made successfully.
61    virtual status_t        invoke(const Parcel& request, Parcel *reply) = 0;
62
63    // Set a new metadata filter.
64    // @param filter A set of allow and drop rules serialized in a Parcel.
65    // @return OK if the invocation was made successfully.
66    virtual status_t        setMetadataFilter(const Parcel& filter) = 0;
67
68    // Retrieve a set of metadata.
69    // @param update_only Include only the metadata that have changed
70    //                    since the last invocation of getMetadata.
71    //                    The set is built using the unfiltered
72    //                    notifications the native player sent to the
73    //                    MediaPlayerService during that period of
74    //                    time. If false, all the metadatas are considered.
75    // @param apply_filter If true, once the metadata set has been built based
76    //                     on the value update_only, the current filter is
77    //                     applied.
78    // @param[out] metadata On exit contains a set (possibly empty) of metadata.
79    //                      Valid only if the call returned OK.
80    // @return OK if the invocation was made successfully.
81    virtual status_t        getMetadata(bool update_only,
82                                        bool apply_filter,
83                                        Parcel *metadata) = 0;
84};
85
86// ----------------------------------------------------------------------------
87
88class BnMediaPlayer: public BnInterface<IMediaPlayer>
89{
90public:
91    virtual status_t    onTransact( uint32_t code,
92                                    const Parcel& data,
93                                    Parcel* reply,
94                                    uint32_t flags = 0);
95};
96
97}; // namespace android
98
99#endif // ANDROID_IMEDIAPLAYER_H
100