| 1 | /*
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| 2 | Copyright (C) 2005 by Jasem Mutlaq
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| 3 |
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| 4 | Some code based on qastrocam
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| 5 |
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| 6 | This library is free software; you can redistribute it and/or
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| 7 | modify it under the terms of the GNU Lesser General Public
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| 8 | License as published by the Free Software Foundation; either
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| 9 | version 2.1 of the License, or (at your option) any later version.
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| 10 |
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| 11 | This library is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | Lesser General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU Lesser General Public
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| 17 | License along with this library; if not, write to the Free Software
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| 18 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 19 |
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| 20 | */
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| 21 |
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| 22 | #ifndef V4L1_BASE_H
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| 23 | #define V4L1_BASE_H
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| 24 |
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| 25 | #include <stdio.h>
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| 26 | #include <stdlib.h>
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| 27 | #include "videodev.h"
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| 28 | #include "eventloop.h"
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| 29 |
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| 30 | class V4L1_Base
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| 31 | {
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| 32 | public:
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| 33 | V4L1_Base();
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| 34 | virtual ~V4L1_Base();
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| 35 |
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| 36 | /* Connection */
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| 37 | virtual int connectCam(const char * devpath, char *errmsg);
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| 38 | virtual void disconnectCam();
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| 39 | char * getDeviceName();
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| 40 |
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| 41 | /* Image settings */
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| 42 | int getBrightness();
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| 43 | int getContrast();
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| 44 | int getColor();
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| 45 | int getHue();
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| 46 | int getWhiteness();
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| 47 | void setContrast(int val);
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| 48 | void setBrightness(int val);
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| 49 | void setColor(int val);
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| 50 | void setHue(int val);
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| 51 | void setWhiteness(int val);
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| 52 |
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| 53 | /* Updates */
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| 54 | static void updateFrame(int d, void * p);
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| 55 | void newFrame();
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| 56 | void setPictureSettings();
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| 57 | void getPictureSettings();
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| 58 |
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| 59 | /* Image Size */
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| 60 | int getWidth();
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| 61 | int getHeight();
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| 62 | void checkSize(int & x, int & y);
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| 63 | virtual bool setSize(int x, int y);
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| 64 | virtual void getMaxMinSize(int & xmax, int & ymax, int & xmin, int & ymin);
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| 65 |
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| 66 | /* Frame rate */
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| 67 | void setFPS(int fps);
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| 68 | int getFPS();
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| 69 |
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| 70 | void init(int preferedPalette);
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| 71 | void allocBuffers();
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| 72 | int mmapInit();
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| 73 | void mmapCapture();
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| 74 | void mmapSync();
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| 75 |
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| 76 | unsigned char * mmapFrame();
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| 77 | unsigned char * getY();
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| 78 | unsigned char * getU();
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| 79 | unsigned char * getV();
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| 80 | unsigned char * getColorBuffer();
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| 81 |
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| 82 | int start_capturing(char *errmsg);
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| 83 | int stop_capturing(char *errmsg);
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| 84 | void registerCallback(WPF *fp, void *ud);
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| 85 |
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| 86 | protected:
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| 87 |
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| 88 | int fd;
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| 89 | WPF *callback;
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| 90 | void *uptr;
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| 91 | unsigned long options;
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| 92 |
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| 93 | struct video_capability capability;
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| 94 | struct video_window window;
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| 95 | struct video_picture picture_format;
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| 96 | struct video_mbuf mmap_buffer;
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| 97 |
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| 98 | unsigned char * buffer_start;
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| 99 |
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| 100 | long mmap_sync_buffer;
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| 101 | long mmap_capture_buffer;
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| 102 |
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| 103 | int frameRate;
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| 104 | bool streamActive;
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| 105 | int selectCallBackID;
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| 106 | unsigned char * YBuf,*UBuf,*VBuf, *colorBuffer;
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| 107 |
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| 108 | };
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| 109 |
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| 110 | #endif
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