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115 lines
2.7 KiB
115 lines
2.7 KiB
/*
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Copyright (C) 2005 by Jasem Mutlaq
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Some code based on qastrocam
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef V4L1_BASE_H
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#define V4L1_BASE_H
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_LINUX_ALTERNATE_VIDEODEV_H
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#include "videodev.h"
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#else
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#include "videodev2.h"
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#endif
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#include "../eventloop.h"
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class V4L1_Base
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{
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public:
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V4L1_Base();
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virtual ~V4L1_Base();
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/* Connection */
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virtual int connectCam(const char * devpath, char *errmsg);
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virtual void disconnectCam();
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char * getDeviceName();
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/* Image settings */
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int getBrightness();
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int getContrast();
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int getColor();
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int getHue();
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int getWhiteness();
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void setContrast(int val);
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void setBrightness(int val);
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void setColor(int val);
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void setHue(int val);
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void setWhiteness(int val);
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/* Updates */
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static void updateFrame(int d, void * p);
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void newFrame();
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void setPictureSettings();
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void getPictureSettings();
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/* Image Size */
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int getWidth();
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int getHeight();
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void checkSize(int & x, int & y);
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virtual bool setSize(int x, int y);
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virtual void getMaxMinSize(int & xmax, int & ymax, int & xmin, int & ymin);
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/* Frame rate */
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void setFPS(int fps);
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int getFPS();
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void init(int preferedPalette);
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void allocBuffers();
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int mmapInit();
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void mmapCapture();
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void mmapSync();
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unsigned char * mmapFrame();
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unsigned char * getY();
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unsigned char * getU();
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unsigned char * getV();
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unsigned char * getColorBuffer();
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int start_capturing(char *errmsg);
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int stop_capturing(char *errmsg);
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void registerCallback(WPF *fp, void *ud);
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protected:
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int fd;
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WPF *callback;
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void *uptr;
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unsigned long options;
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struct video_capability capability;
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struct video_window window;
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struct video_picture picture_format;
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struct video_mbuf mmap_buffer;
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unsigned char * buffer_start;
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long mmap_sync_buffer;
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long mmap_capture_buffer;
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int frameRate;
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bool streamActive;
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int selectCallBackID;
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unsigned char * YBuf,*UBuf,*VBuf, *colorBuffer;
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};
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#endif
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