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<html>
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<title>Camstream: CamStream API documentation</title>
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<a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; <a class="qindex" href="globals.html">File Members</a> &nbsp; </center>
<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 &lt;config.h&gt;</font>
00006 <font class="preprocessor">#endif</font>
00007 <font class="preprocessor"></font>
00008 <font class="preprocessor">#include &lt;sys/types.h&gt;</font>
00009 <font class="preprocessor">#include &lt;linux/videodev.h&gt;</font>
00010 
00011 <font class="preprocessor">#include &lt;qarray.h&gt;</font>
00012 <font class="preprocessor">#include &lt;qcolor.h&gt;</font>
00013 <font class="preprocessor">#include &lt;qimage.h&gt;</font>
00014 <font class="preprocessor">#include &lt;qobject.h&gt;</font>
00015 <font class="preprocessor">#include &lt;qsocketnotifier.h&gt;</font>
00016 <font class="preprocessor">#include &lt;qtimer.h&gt;</font>
00017 <font class="preprocessor">#include &lt;qvector.h&gt;</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 &lt;CVideoDeviceInput&gt;VideoInputs;
00041    <font class="keywordtype">int</font> CurrentVideoInput;
00042    QVector &lt;CVideoAudioInput&gt;AudioInputs;
00043    <font class="keywordtype">int</font> CurrentAudioInput;
00044 
00045    QVector&lt;QImage&gt; RGB;
00046    QVector&lt;QImage&gt; 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&lt;int&gt; 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 &amp;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 &amp;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 &amp;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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