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