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