JpegProcessor.h revision 0fa1e760f7093d025c977e5813e8d3a04c863ce3
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#include "Camera2Heap.h" 29 30namespace android { 31 32class Camera2Client; 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 ¶ms); 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