68 lines
2.0 KiB
C++
68 lines
2.0 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_FAKECAMERA_H
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#define ANDROID_HARDWARE_FAKECAMERA_H
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#include <sys/types.h>
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#include <stdint.h>
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namespace android {
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/*
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* FakeCamera is used in the CameraHardwareStub to provide a fake video feed
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* when the system does not have a camera in hardware.
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* The fake video is a moving black and white checkerboard background with a
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* bouncing gray square in the foreground.
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* This class is not thread-safe.
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*
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* TODO: Since the major methods provides a raw/uncompressed video feed, rename
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* this class to RawVideoSource.
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*/
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class FakeCamera {
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public:
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FakeCamera(int width, int height);
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~FakeCamera();
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void setSize(int width, int height);
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void getNextFrameAsYuv422(uint8_t *buffer);
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// Write to the fd a string representing the current state.
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void dump(int fd) const;
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private:
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// TODO: remove the uint16_t buffer param everywhere since it is a field of
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// this class.
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void getNextFrameAsRgb565(uint16_t *buffer);
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void drawSquare(uint16_t *buffer, int x, int y, int size, int color, int shadow);
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void drawCheckerboard(uint16_t *buffer, int size);
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static const int kRed = 0xf800;
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static const int kGreen = 0x07c0;
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static const int kBlue = 0x003e;
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int mWidth, mHeight;
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int mCounter;
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int mCheckX, mCheckY;
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uint16_t *mTmpRgb16Buffer;
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};
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}; // namespace android
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#endif // ANDROID_HARDWARE_FAKECAMERA_H
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