116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/*
|
|
**
|
|
** Copyright 2008, The Android Open Source Project
|
|
**
|
|
** Licensed under the Apache License, Version 2.0 (the "License");
|
|
** you may not use this file except in compliance with the License.
|
|
** You may obtain a copy of the License at
|
|
**
|
|
** http://www.apache.org/licenses/LICENSE-2.0
|
|
**
|
|
** Unless required by applicable law or agreed to in writing, software
|
|
** distributed under the License is distributed on an "AS IS" BASIS,
|
|
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
** See the License for the specific language governing permissions and
|
|
** limitations under the License.
|
|
*/
|
|
|
|
#ifndef ANDROID_HARDWARE_CAMERA_HARDWARE_STUB_H
|
|
#define ANDROID_HARDWARE_CAMERA_HARDWARE_STUB_H
|
|
|
|
#include "FakeCamera.h"
|
|
#include <utils/threads.h>
|
|
#include <ui/CameraHardwareInterface.h>
|
|
#include <utils/MemoryBase.h>
|
|
#include <utils/MemoryHeapBase.h>
|
|
#include <utils/threads.h>
|
|
|
|
namespace android {
|
|
|
|
class CameraHardwareStub : public CameraHardwareInterface {
|
|
public:
|
|
virtual sp<IMemoryHeap> getPreviewHeap() const;
|
|
|
|
virtual status_t startPreview(preview_callback cb, void* user);
|
|
virtual void stopPreview();
|
|
virtual status_t autoFocus(autofocus_callback, void *user);
|
|
virtual status_t takePicture(shutter_callback,
|
|
raw_callback,
|
|
jpeg_callback,
|
|
void* user);
|
|
virtual status_t cancelPicture(bool cancel_shutter,
|
|
bool cancel_raw,
|
|
bool cancel_jpeg);
|
|
virtual status_t dump(int fd, const Vector<String16>& args) const;
|
|
virtual status_t setParameters(const CameraParameters& params);
|
|
virtual CameraParameters getParameters() const;
|
|
virtual void release();
|
|
|
|
static sp<CameraHardwareInterface> createInstance();
|
|
|
|
private:
|
|
CameraHardwareStub();
|
|
virtual ~CameraHardwareStub();
|
|
|
|
static wp<CameraHardwareInterface> singleton;
|
|
|
|
static const int kBufferCount = 4;
|
|
|
|
class PreviewThread : public Thread {
|
|
CameraHardwareStub* mHardware;
|
|
public:
|
|
PreviewThread(CameraHardwareStub* hw)
|
|
: Thread(false), mHardware(hw) { }
|
|
virtual void onFirstRef() {
|
|
run("CameraPreviewThread", PRIORITY_URGENT_DISPLAY);
|
|
}
|
|
virtual bool threadLoop() {
|
|
mHardware->previewThread();
|
|
// loop until we need to quit
|
|
return true;
|
|
}
|
|
};
|
|
|
|
void initDefaultParameters();
|
|
void initHeapLocked();
|
|
|
|
int previewThread();
|
|
|
|
static int beginAutoFocusThread(void *cookie);
|
|
int autoFocusThread();
|
|
|
|
static int beginPictureThread(void *cookie);
|
|
int pictureThread();
|
|
|
|
mutable Mutex mLock;
|
|
|
|
CameraParameters mParameters;
|
|
|
|
sp<MemoryHeapBase> mHeap;
|
|
sp<MemoryBase> mBuffers[kBufferCount];
|
|
|
|
FakeCamera *mFakeCamera;
|
|
bool mPreviewRunning;
|
|
int mPreviewFrameSize;
|
|
|
|
shutter_callback mShutterCallback;
|
|
raw_callback mRawPictureCallback;
|
|
jpeg_callback mJpegPictureCallback;
|
|
void *mPictureCallbackCookie;
|
|
|
|
// protected by mLock
|
|
sp<PreviewThread> mPreviewThread;
|
|
preview_callback mPreviewCallback;
|
|
void *mPreviewCallbackCookie;
|
|
|
|
autofocus_callback mAutoFocusCallback;
|
|
void *mAutoFocusCallbackCookie;
|
|
|
|
// only used from PreviewThread
|
|
int mCurrentPreviewFrame;
|
|
};
|
|
|
|
}; // namespace android
|
|
|
|
#endif
|