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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