| 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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