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<hr><h1>VideoDevice.h</h1><a href="videodevice_h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="preprocessor">#ifndef VIDEO_DEVICE_HPP</font>
00002 <font class="preprocessor"></font><font class="preprocessor">#define VIDEO_DEVICE_HPP</font>
00003 <font class="preprocessor"></font>
00004 <font class="preprocessor">#ifdef HAVE_CONFIG_H</font>
00005 <font class="preprocessor"></font><font class="preprocessor">#include <config.h></font>
00006 <font class="preprocessor">#endif</font>
00007 <font class="preprocessor"></font>
00008 <font class="preprocessor">#include <sys/types.h></font>
00009 <font class="preprocessor">#include <linux/videodev.h></font>
00010
00011 <font class="preprocessor">#include <qarray.h></font>
00012 <font class="preprocessor">#include <qcolor.h></font>
00013 <font class="preprocessor">#include <qimage.h></font>
00014 <font class="preprocessor">#include <qobject.h></font>
00015 <font class="preprocessor">#include <qsocketnotifier.h></font>
00016 <font class="preprocessor">#include <qtimer.h></font>
00017 <font class="preprocessor">#include <qvector.h></font>
00018
00019 <font class="preprocessor">#include "<a class="code" href="videodeviceinput_h.html">VideoDeviceInput.h</a>"</font>
00020 <font class="preprocessor">#include "<a class="code" href="videoaudioinput_h.html">VideoAudioInput.h</a>"</font>
00021
00022 <font class="keyword">class </font><a class="code" href="class_cvideodevice.html">CVideoDevice</a>: <font class="keyword">public</font> <a class="code" href="class_qobject.html">QObject</a>
00023 {
<a name="l00024"></a><a class="code" href="class_cvideodevice.html#l0">00024</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="class_cvideodeviceinput.html">CVideoDeviceInput</a>;
<a name="l00025"></a><a class="code" href="class_cvideodevice.html#l1">00025</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="class_cvideodevicetuner.html">CVideoDeviceTuner</a>;
<a name="l00026"></a><a class="code" href="class_cvideodevice.html#l2">00026</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="class_cvideoaudioinput.html">CVideoAudioInput</a>;
00027 Q_OBJECT
00028 <font class="keyword">private</font>:
00029 <font class="keywordtype">bool</font> validated;
00030 QString NodeName, IntfName;
00031 <font class="keywordtype">int</font> CamFD, Opened;
00032 <font class="keywordtype">bool</font> UseSelect, HasFramerate;
00033 <font class="keywordtype">int</font> Capturing;
00034 <font class="keywordtype">int</font> Palette, FrameRate;
00035 <font class="keywordtype">int</font> PalRGB, PalYUV;
00036 <font class="keyword">struct </font>video_picture VPic;
00037 <font class="keyword">struct </font>video_mbuf VMBuf;
00038 <font class="keywordtype">int</font> Buffers, CurBuffer;
00039
00040 QVector <CVideoDeviceInput>VideoInputs;
00041 <font class="keywordtype">int</font> CurrentVideoInput;
00042 QVector <CVideoAudioInput>AudioInputs;
00043 <font class="keywordtype">int</font> CurrentAudioInput;
00044
00045 QVector<QImage> RGB;
00046 QVector<QImage> Y, U, V;
00047 QImage *pNullImage;
00048 QRgb GrayScale[256];
00049
00050 <font class="keywordtype">int</font> image_w, image_h;
00051 <font class="keywordtype">int</font> max_w, max_h;
00052 <font class="keywordtype">int</font> min_w, min_h;
00053 uchar *vid_io_buffer; <font class="comment">// The buffer used for I/O; this can be mmap()ed or malloc()ed</font>
00054 uchar *rgb_vid_buffer; <font class="comment">// The buffer for rgb images; may point to vid_io_buffer</font>
00055 uchar *yuv_vid_buffer; <font class="comment">// The buffer for yuv images; may point to vid_io_buffer</font>
00056 QArray<int> vid_io_offsets, rgb_vid_offsets, yuv_vid_offsets;
00057 <font class="keywordtype">int</font> vid_io_buffer_size, vid_io_image_size;
00058
00059 QSocketNotifier *pImageSocket;
00060 QTimer *pImageTimer;
00061
00062 <font class="keywordtype">void</font> Init();
00063 <font class="keywordtype">void</font> CleanUp();
00064
00065 <font class="keywordtype">bool</font> TryPalette(<font class="keywordtype">int</font> pal, <font class="keywordtype">int</font> depth);
00066 <font class="keywordtype">void</font> SetPalette();
00067 <font class="keywordtype">void</font> CalcVidIoSize();
00068
00069 <font class="keywordtype">int</font> MCapture(<font class="keywordtype">int</font> buf);
00070 <font class="keywordtype">int</font> MSync();
00071
00072 <font class="keywordtype">void</font> CreateImagesRGB();
00073 <font class="keywordtype">void</font> ResetImagesRGB();
00074 <font class="keywordtype">void</font> CreateImagesYUV();
00075 <font class="keywordtype">void</font> ResetImagesYUV();
00076
00077 <font class="keywordtype">void</font> StartCapture();
00078 <font class="keywordtype">void</font> StopCapture();
00079
00080 <font class="keyword">private</font> slots:
00081 <font class="keywordtype">void</font> LoadImage();
00082
00083 <font class="keyword">public</font>:
00084 <a class="code" href="class_cvideodevice.html#a0">CVideoDevice</a>(<font class="keyword">const</font> QString &node_name);
00085 <a class="code" href="class_cvideodevice.html#a1">~CVideoDevice</a>();
00086
00087 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a2">IsValid</a>();
00088
00089 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a3">Open</a>(<font class="keywordtype">int</font> buffers = 1);
00090 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#a4">Close</a>();
00091 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a5">GetDescriptor</a>() <font class="keyword">const</font>;
00092
00093 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#a6">EnableRGB</a>(<font class="keywordtype">bool</font> isOn);
00094 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#a7">EnableYUV</a>(<font class="keywordtype">bool</font> isOn);
00095
00096 QString <a class="code" href="class_cvideodevice.html#a8">GetNodeName</a>() <font class="keyword">const</font>;
00097 QString <a class="code" href="class_cvideodevice.html#a9">GetIntfName</a>() <font class="keyword">const</font>;
00098
00099 QSize <a class="code" href="class_cvideodevice.html#a10">GetMinSize</a>() <font class="keyword">const</font>;
00100 QSize <a class="code" href="class_cvideodevice.html#a11">GetSize</a>();
00101 QSize <a class="code" href="class_cvideodevice.html#a12">GetMaxSize</a>() <font class="keyword">const</font>;
00102 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a13">SetSize</a>(<font class="keywordtype">int</font> width, <font class="keywordtype">int</font> height);
00103 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a13">SetSize</a>(<font class="keyword">const</font> QSize &new_size);
00104 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a15">GetFramerate</a>() <font class="keyword">const</font>;
00105 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a16">SetFramerate</a>(<font class="keywordtype">int</font> fps);
00106 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a17">GetMBuffers</a>() <font class="keyword">const</font>;
00107 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a18">GetBuffers</a>() <font class="keyword">const</font>;
00108
00109 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a19">GetVideoInputs</a>() <font class="keyword">const</font>;
00110 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a20">GetCurrentVideoInput</a>() <font class="keyword">const</font>;
00111 <a class="code" href="class_cvideodeviceinput.html">CVideoDeviceInput</a> *<a class="code" href="class_cvideodevice.html#a21">GetVideoInput</a>(<font class="keywordtype">int</font> number = -1) <font class="keyword">const</font>;
00112 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a22">SelectVideoInput</a>(<font class="keywordtype">int</font> number);
00113
00114 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a23">GetAudioInputs</a>() <font class="keyword">const</font>;
00115 <a class="code" href="class_cvideoaudioinput.html">CVideoAudioInput</a> *<a class="code" href="class_cvideodevice.html#a24">GetAudioInput</a>(<font class="keywordtype">int</font> number = -1) <font class="keyword">const</font>;
00116 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a25">SelectAudioInput</a>(<font class="keywordtype">int</font> number);
00117
00118 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a26">GetBrightness</a>() <font class="keyword">const</font>;
00119 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a27">SetBrightness</a>(<font class="keywordtype">int</font> val);
00120 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a28">GetContrast</a>() <font class="keyword">const</font>;
00121 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a29">SetContrast</a>(<font class="keywordtype">int</font> val);
00122 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a30">GetHue</a>() <font class="keyword">const</font>;
00123 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a31">SetHue</a>(<font class="keywordtype">int</font> val);
00124 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a32">GetColour</a>() <font class="keyword">const</font>;
00125 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a33">SetColour</a>(<font class="keywordtype">int</font> val);
00126 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a34">GetWhiteness</a>() <font class="keyword">const</font>;
00127 <font class="keywordtype">bool</font> <a class="code" href="class_cvideodevice.html#a35">SetWhiteness</a>(<font class="keywordtype">int</font> val);
00128
00129 <font class="keywordtype">int</font> <a class="code" href="class_cvideodevice.html#a36">ReadImage</a>();
00130
00131 QImage *<a class="code" href="class_cvideodevice.html#a37">GetRGB</a>(<font class="keywordtype">int</font> offset = 0) <font class="keyword">const</font>;
00132 QImage *<a class="code" href="class_cvideodevice.html#a38">GetY</a>(<font class="keywordtype">int</font> offset = 0) <font class="keyword">const</font>;
00133 QImage *<a class="code" href="class_cvideodevice.html#a39">GetU</a>(<font class="keywordtype">int</font> offset = 0) <font class="keyword">const</font>;
00134 QImage *<a class="code" href="class_cvideodevice.html#a40">GetV</a>(<font class="keywordtype">int</font> offset = 0) <font class="keyword">const</font>;
00135
00136 signals:
00138 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#j0">Notify</a>();
00140 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#j1">Closed</a>();
00142 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#j2">Resized</a>(<font class="keyword">const</font> QSize &new_size);
00144 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#j3">FramerateChanged</a>(<font class="keywordtype">int</font>);
00146 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#j4">ChangedVideoInput</a>(<font class="keywordtype">int</font> input);
00148 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#j5">ChangedTunerNorm</a>(<font class="keywordtype">int</font> tuner, <font class="keywordtype">int</font> norm);
00150 <font class="keywordtype">void</font> <a class="code" href="class_cvideodevice.html#j6">Error</a>(<font class="keywordtype">int</font> err_num);
00151 };
00152
00153 <font class="preprocessor">#endif</font>
</font></pre></div><hr><address><small>Generated at Sat May 18 02:56:55 2002 for Camstream by
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