android_media_MediaSync.h revision 25b802d47249702b9e5d175b3e7144934b67553d 
1/*
2 * Copyright 2015, 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_MEDIA_MEDIASYNC_H_
18#define _ANDROID_MEDIA_MEDIASYNC_H_
19
20#include <media/stagefright/foundation/ABase.h>
21#include <utils/Errors.h>
22#include <utils/RefBase.h>
23
24namespace android {
25
26class AudioTrack;
27struct IGraphicBufferProducer;
28struct MediaClock;
29class MediaSync;
30
31struct JMediaSync : public RefBase {
32    JMediaSync();
33
34    status_t configureSurface(const sp<IGraphicBufferProducer> &bufferProducer);
35    status_t configureAudioTrack(
36            const sp<AudioTrack> &audioTrack, int32_t nativeSampleRateInHz);
37
38    status_t createInputSurface(sp<IGraphicBufferProducer>* bufferProducer);
39
40    status_t updateQueuedAudioData(int sizeInBytes, int64_t presentationTimeUs);
41
42    status_t setPlaybackRate(float rate);
43
44    status_t getPlayTimeForPendingAudioFrames(int64_t *outTimeUs);
45
46    sp<const MediaClock> getMediaClock();
47
48protected:
49    virtual ~JMediaSync();
50
51private:
52    sp<MediaSync> mSync;
53
54    DISALLOW_EVIL_CONSTRUCTORS(JMediaSync);
55};
56
57}  // namespace android
58
59#endif  // _ANDROID_MEDIA_MEDIASYNC_H_
60