IMediaPlayerService.h revision a514bdb58b5de4986679f72b7204b4764f7a2778 
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;
35
36class IMediaPlayerService: public IInterface
37{
38public:
39    DECLARE_META_INTERFACE(MediaPlayerService);
40
41    virtual sp<IMediaRecorder>  createMediaRecorder(pid_t pid) = 0;
42    virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) = 0;
43    virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client,
44            const char* url, const KeyedVector<String8, String8> *headers = NULL,
45            int audioSessionId = 0) = 0;
46    virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client,
47            int fd, int64_t offset, int64_t length, int audioSessionId) = 0;
48    virtual sp<IMemory>         decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
49    virtual sp<IMemory>         decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
50    virtual sp<IOMX>            getOMX() = 0;
51
52    // Take a peek at currently playing audio, for visualization purposes.
53    // This returns a buffer of 16 bit mono PCM data, or NULL if no visualization buffer is currently available.
54    virtual sp<IMemory>         snoop() = 0;
55};
56
57// ----------------------------------------------------------------------------
58
59class BnMediaPlayerService: public BnInterface<IMediaPlayerService>
60{
61public:
62    virtual status_t    onTransact( uint32_t code,
63                                    const Parcel& data,
64                                    Parcel* reply,
65                                    uint32_t flags = 0);
66};
67
68}; // namespace android
69
70#endif // ANDROID_IMEDIAPLAYERSERVICE_H
71