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_CAMERA2_JPEGPROCESSOR_H
18#define ANDROID_SERVERS_CAMERA_CAMERA2_JPEGPROCESSOR_H
19
20#include <utils/Thread.h>
21#include <utils/String16.h>
22#include <utils/Vector.h>
23#include <utils/Mutex.h>
24#include <utils/Condition.h>
25#include <gui/CpuConsumer.h>
26#include "Parameters.h"
27#include "CameraMetadata.h"
28
29namespace android {
30
31class Camera2Client;
32class MemoryHeapBase;
33
34namespace camera2 {
35
36class CaptureSequencer;
37
38/***
39 * Still image capture output image processing
40 */
41class JpegProcessor:
42            public Thread, public CpuConsumer::FrameAvailableListener {
43  public:
44    JpegProcessor(wp<Camera2Client> client, wp<CaptureSequencer> sequencer);
45    ~JpegProcessor();
46
47    void onFrameAvailable();
48
49    status_t updateStream(const Parameters &params);
50    status_t deleteStream();
51    int getStreamId() const;
52
53    void dump(int fd, const Vector<String16>& args) const;
54  private:
55    static const nsecs_t kWaitDuration = 10000000; // 10 ms
56    wp<Camera2Client> mClient;
57    wp<CaptureSequencer> mSequencer;
58
59    mutable Mutex mInputMutex;
60    bool mCaptureAvailable;
61    Condition mCaptureAvailableSignal;
62
63    enum {
64        NO_STREAM = -1
65    };
66
67    int mCaptureStreamId;
68    sp<CpuConsumer>    mCaptureConsumer;
69    sp<ANativeWindow>  mCaptureWindow;
70    sp<MemoryHeapBase>    mCaptureHeap;
71
72    virtual bool threadLoop();
73
74    status_t processNewCapture(sp<Camera2Client> &client);
75    size_t findJpegSize(uint8_t* jpegBuffer, size_t maxSize);
76
77};
78
79
80}; //namespace camera2
81}; //namespace android
82
83#endif
84