BurstCapture.h revision 04f101c35eaa90b1f95939afac30674ec1611e6f 
1/*
2 * Copyright (C) 2012 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_SERVERS_CAMERA_BURST_CAPTURE_H
18#define ANDROID_SERVERS_CAMERA_BURST_CAPTURE_H
19
20#include <camera/CameraMetadata.h>
21#include <binder/MemoryBase.h>
22#include <binder/MemoryHeapBase.h>
23#include <gui/CpuConsumer.h>
24
25#include "device2/Camera2Device.h"
26
27namespace android {
28
29class Camera2Client;
30
31namespace camera2 {
32
33class CaptureSequencer;
34
35class BurstCapture : public virtual Thread,
36                     public virtual CpuConsumer::FrameAvailableListener
37{
38public:
39    BurstCapture(wp<Camera2Client> client, wp<CaptureSequencer> sequencer);
40    virtual ~BurstCapture();
41
42    virtual void onFrameAvailable(const BufferItem& item);
43    virtual status_t start(Vector<CameraMetadata> &metadatas, int32_t firstCaptureId);
44
45protected:
46    Mutex mInputMutex;
47    bool mInputChanged;
48    Condition mInputSignal;
49    int mCaptureStreamId;
50    wp<Camera2Client> mClient;
51    wp<CaptureSequencer> mSequencer;
52
53    // Should only be accessed by processing thread
54    enum {
55        NO_STREAM = -1
56    };
57
58    CpuConsumer::LockedBuffer* jpegEncode(
59        CpuConsumer::LockedBuffer *imgBuffer,
60        int quality);
61
62    virtual status_t processFrameAvailable(sp<Camera2Client> &client);
63
64private:
65    virtual bool threadLoop();
66    static const nsecs_t kWaitDuration = 10000000; // 10 ms
67};
68
69} // namespace camera2
70} // namespace android
71
72#endif
73