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<h1>stk11xx-bayer.c</h1><a href="stk11xx-bayer_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00034"></a>00034 <span class="preprocessor">#include <linux/module.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <linux/init.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <linux/kernel.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <linux/version.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <linux/errno.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <linux/slab.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <linux/kref.h></span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="preprocessor">#include <linux/usb.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <media/v4l2-common.h></span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="preprocessor">#include "<a class="code" href="stk11xx_8h.html" title="Driver for Syntek USB video camera.">stk11xx.h</a>"</span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="preprocessor">#define MAX(a,b) ((a)>(b)?(a):(b))</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define MIN(a,b) ((a)<(b)?(a):(b))</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#define CLIP(a,low,high) MAX((low),MIN((high),(a)))</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span>
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#4cee14da251a2cf93345ea8917333be7" title="This function permits to convert an image from bayer to RGB24.">stk11xx_b2rgb24</a>(uint8_t *, uint8_t *,
<a name="l00054"></a>00054 <span class="keyword">struct</span> stk11xx_coord *, <span class="keyword">struct</span> stk11xx_coord *,
<a name="l00055"></a>00055 <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>);
<a name="l00056"></a>00056 <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#1687564c87776276417ab1cb081da473" title="This function permits to convert an image from bayer to RGB32.">stk11xx_b2rgb32</a>(uint8_t *, uint8_t *,
<a name="l00057"></a>00057 <span class="keyword">struct</span> stk11xx_coord *, <span class="keyword">struct</span> stk11xx_coord *,
<a name="l00058"></a>00058 <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>);
<a name="l00059"></a>00059 <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#6bcbf1bf31134702d6d0bd68dc6cf1ff" title="This function permits to convert an image from bayer to BGR24.">stk11xx_b2bgr24</a>(uint8_t *, uint8_t *,
<a name="l00060"></a>00060 <span class="keyword">struct</span> stk11xx_coord *, <span class="keyword">struct</span> stk11xx_coord *,
<a name="l00061"></a>00061 <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>);
<a name="l00062"></a>00062 <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#7da25f2658112c5df6f4ba8a110fc659" title="This function permits to convert an image from bayer to BGR32.">stk11xx_b2bgr32</a>(uint8_t *, uint8_t *,
<a name="l00063"></a>00063 <span class="keyword">struct</span> stk11xx_coord *, <span class="keyword">struct</span> stk11xx_coord *,
<a name="l00064"></a>00064 <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#392c3eb4d04531cb734ba5a8450ba251" title="This function permits to convert an image from bayer to YUV (UYVY).">stk11xx_b2uyvy</a>(uint8_t *, uint8_t *,
<a name="l00067"></a>00067 <span class="keyword">struct</span> stk11xx_coord *, <span class="keyword">struct</span> stk11xx_coord *,
<a name="l00068"></a>00068 <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>);
<a name="l00069"></a>00069 <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#fc1e5a5cca4978b3640306f0b7166a4f" title="This function permits to convert an image from bayer to YUV (YUYV).">stk11xx_b2yuyv</a>(uint8_t *, uint8_t *,
<a name="l00070"></a>00070 <span class="keyword">struct</span> stk11xx_coord *, <span class="keyword">struct</span> stk11xx_coord *,
<a name="l00071"></a>00071 <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>);
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#620c3dcd6b59c0bd2dcad4b8741a8c9d" title="Correct the brightness of an image.">stk11xx_correct_brightness</a>(uint8_t *, <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keyword">const</span> <span class="keywordtype">int</span>,
<a name="l00075"></a>00075 <span class="keyword">const</span> <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>);
<a name="l00076"></a>00076
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">static</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> stk11xx_yuv_interp[256][8] = {
<a name="l00079"></a>00079 {0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0},{0,1,0,0,0,1,0,0},{0,1,0,0,0,1,-1,0},
<a name="l00080"></a>00080 {1,2,0,0,-1,2,-1,0},{1,2,0,0,-1,2,-2,0},{1,3,0,-1,-1,3,-2,0},{2,3,0,-1,-2,3,-2,0},
<a name="l00081"></a>00081 {2,4,0,-1,-2,4,-3,0},{2,5,1,-1,-2,4,-3,0},{2,5,1,-1,-3,5,-4,0},{3,6,1,-1,-3,5,-4,0},
<a name="l00082"></a>00082 {3,6,1,-2,-3,6,-5,0},{3,7,1,-2,-4,6,-5,-1},{4,7,1,-2,-4,7,-5,-1},{4,8,1,-2,-4,7,-6,-1},
<a name="l00083"></a>00083 {4,9,1,-2,-5,8,-6,-1},{5,9,1,-2,-5,8,-7,-1},{5,10,2,-3,-5,9,-7,-1},{5,10,2,-3,-6,9,-7,-1},
<a name="l00084"></a>00084 {5,11,2,-3,-6,10,-8,-1},{6,11,2,-3,-6,10,-8,-1},{6,12,2,-3,-7,11,-9,-1},{6,13,2,-3,-7,11,-9,-1},
<a name="l00085"></a>00085 {7,13,2,-4,-7,12,-10,-1},{7,14,2,-4,-8,12,-10,-2},{7,14,2,-4,-8,13,-10,-2},{8,15,3,-4,-8,13,-11,-2},
<a name="l00086"></a>00086 {8,15,3,-4,-9,14,-11,-2},{8,16,3,-4,-9,14,-12,-2},{8,17,3,-5,-9,15,-12,-2},{9,17,3,-5,-10,15,-12,-2},
<a name="l00087"></a>00087 {9,18,3,-5,-10,16,-13,-2},{9,18,3,-5,-10,16,-13,-2},{10,19,3,-5,-11,17,-14,-2},{10,19,3,-5,-11,17,-14,-2},
<a name="l00088"></a>00088 {10,20,4,-6,-11,18,-15,-2},{11,20,4,-6,-12,18,-15,-3},{11,21,4,-6,-12,19,-15,-3},{11,22,4,-6,-12,19,-16,-3},
<a name="l00089"></a>00089 {11,22,4,-6,-13,20,-16,-3},{12,23,4,-6,-13,20,-17,-3},{12,23,4,-7,-13,21,-17,-3},{12,24,4,-7,-14,21,-18,-3},
<a name="l00090"></a>00090 {13,24,5,-7,-14,22,-18,-3},{13,25,5,-7,-14,22,-18,-3},{13,26,5,-7,-15,23,-19,-3},{14,26,5,-7,-15,23,-19,-3},
<a name="l00091"></a>00091 {14,27,5,-8,-15,24,-20,-3},{14,27,5,-8,-16,24,-20,-3},{14,28,5,-8,-16,25,-20,-4},{15,28,5,-8,-16,25,-21,-4},
<a name="l00092"></a>00092 {15,29,5,-8,-17,26,-21,-4},{15,30,6,-8,-17,26,-22,-4},{16,30,6,-9,-17,27,-22,-4},{16,31,6,-9,-18,27,-23,-4},
<a name="l00093"></a>00093 {16,31,6,-9,-18,28,-23,-4},{17,32,6,-9,-18,28,-23,-4},{17,32,6,-9,-19,29,-24,-4},{17,33,6,-9,-19,29,-24,-4},
<a name="l00094"></a>00094 {17,34,6,-10,-19,30,-25,-4},{18,34,6,-10,-20,30,-25,-4},{18,35,7,-10,-20,31,-25,-5},{18,35,7,-10,-20,31,-26,-5},
<a name="l00095"></a>00095 {19,36,7,-10,-21,32,-26,-5},{19,36,7,-10,-21,32,-27,-5},{19,37,7,-11,-21,33,-27,-5},{20,37,7,-11,-22,33,-28,-5},
<a name="l00096"></a>00096 {20,38,7,-11,-22,34,-28,-5},{20,39,7,-11,-22,34,-28,-5},{20,39,7,-11,-23,35,-29,-5},{21,40,8,-11,-23,35,-29,-5},
<a name="l00097"></a>00097 {21,40,8,-12,-23,36,-30,-5},{21,41,8,-12,-24,36,-30,-5},{22,41,8,-12,-24,37,-30,-6},{22,42,8,-12,-24,37,-31,-6},
<a name="l00098"></a>00098 {22,43,8,-12,-25,38,-31,-6},{23,43,8,-12,-25,38,-32,-6},{23,44,8,-13,-25,39,-32,-6},{23,44,9,-13,-26,39,-33,-6},
<a name="l00099"></a>00099 {23,45,9,-13,-26,40,-33,-6},{24,45,9,-13,-26,40,-33,-6},{24,46,9,-13,-27,41,-34,-6},{24,47,9,-14,-27,41,-34,-6},
<a name="l00100"></a>00100 {25,47,9,-14,-27,42,-35,-6},{25,48,9,-14,-28,42,-35,-6},{25,48,9,-14,-28,43,-36,-6},{26,49,9,-14,-28,43,-36,-7},
<a name="l00101"></a>00101 {26,49,10,-14,-29,44,-36,-7},{26,50,10,-15,-29,44,-37,-7},{26,51,10,-15,-29,45,-37,-7},{27,51,10,-15,-30,45,-38,-7},
<a name="l00102"></a>00102 {27,52,10,-15,-30,46,-38,-7},{27,52,10,-15,-30,46,-38,-7},{28,53,10,-15,-31,47,-39,-7},{28,53,10,-16,-31,47,-39,-7},
<a name="l00103"></a>00103 {28,54,10,-16,-31,48,-40,-7},{29,54,11,-16,-32,48,-40,-7},{29,55,11,-16,-32,49,-41,-7},{29,56,11,-16,-32,49,-41,-8},
<a name="l00104"></a>00104 {29,56,11,-16,-33,50,-41,-8},{30,57,11,-17,-33,50,-42,-8},{30,57,11,-17,-33,51,-42,-8},{30,58,11,-17,-34,51,-43,-8},
<a name="l00105"></a>00105 {31,58,11,-17,-34,52,-43,-8},{31,59,11,-17,-34,52,-43,-8},{31,60,12,-17,-35,53,-44,-8},{31,60,12,-18,-35,53,-44,-8},
<a name="l00106"></a>00106 {32,61,12,-18,-35,54,-45,-8},{32,61,12,-18,-36,54,-45,-8},{32,62,12,-18,-36,55,-46,-8},{33,62,12,-18,-36,55,-46,-9},
<a name="l00107"></a>00107 {33,63,12,-18,-37,56,-46,-9},{33,64,12,-19,-37,56,-47,-9},{34,64,12,-19,-37,57,-47,-9},{34,65,13,-19,-38,57,-48,-9},
<a name="l00108"></a>00108 {34,65,13,-19,-38,58,-48,-9},{34,66,13,-19,-38,58,-48,-9},{35,66,13,-19,-39,59,-49,-9},{35,67,13,-20,-39,59,-49,-9},
<a name="l00109"></a>00109 {35,68,13,-20,-39,60,-50,-9},{36,68,13,-20,-40,60,-50,-9},{36,69,13,-20,-40,61,-51,-9},{36,69,14,-20,-40,61,-51,-9},
<a name="l00110"></a>00110 {37,70,14,-20,-41,62,-51,-10},{37,70,14,-21,-41,62,-52,-10},{37,71,14,-21,-41,63,-52,-10},{37,72,14,-21,-42,63,-53,-10},
<a name="l00111"></a>00111 {38,72,14,-21,-42,64,-53,-10},{38,73,14,-21,-42,64,-54,-10},{38,73,14,-21,-43,65,-54,-10},{39,74,14,-22,-43,65,-54,-10},
<a name="l00112"></a>00112 {39,74,15,-22,-43,66,-55,-10},{39,75,15,-22,-44,66,-55,-10},{40,75,15,-22,-44,67,-56,-10},{40,76,15,-22,-44,67,-56,-10},
<a name="l00113"></a>00113 {40,77,15,-22,-45,68,-56,-11},{40,77,15,-23,-45,68,-57,-11},{41,78,15,-23,-45,69,-57,-11},{41,78,15,-23,-46,69,-58,-11},
<a name="l00114"></a>00114 {41,79,15,-23,-46,70,-58,-11},{42,79,16,-23,-46,70,-59,-11},{42,80,16,-23,-47,71,-59,-11},{42,81,16,-24,-47,71,-59,-11},
<a name="l00115"></a>00115 {43,81,16,-24,-47,72,-60,-11},{43,82,16,-24,-48,72,-60,-11},{43,82,16,-24,-48,73,-61,-11},{43,83,16,-24,-48,73,-61,-11},
<a name="l00116"></a>00116 {44,83,16,-24,-49,74,-61,-12},{44,84,16,-25,-49,74,-62,-12},{44,85,17,-25,-49,75,-62,-12},{45,85,17,-25,-50,75,-63,-12},
<a name="l00117"></a>00117 {45,86,17,-25,-50,76,-63,-12},{45,86,17,-25,-50,76,-64,-12},{46,87,17,-25,-51,77,-64,-12},{46,87,17,-26,-51,77,-64,-12},
<a name="l00118"></a>00118 {46,88,17,-26,-51,78,-65,-12},{46,89,17,-26,-52,78,-65,-12},{47,89,18,-26,-52,79,-66,-12},{47,90,18,-26,-52,79,-66,-12},
<a name="l00119"></a>00119 {47,90,18,-26,-53,80,-66,-13},{48,91,18,-27,-53,80,-67,-13},{48,91,18,-27,-53,81,-67,-13},{48,92,18,-27,-54,81,-68,-13},
<a name="l00120"></a>00120 {49,92,18,-27,-54,82,-68,-13},{49,93,18,-27,-54,82,-69,-13},{49,94,18,-28,-54,83,-69,-13},{49,94,19,-28,-55,83,-69,-13},
<a name="l00121"></a>00121 {50,95,19,-28,-55,84,-70,-13},{50,95,19,-28,-55,84,-70,-13},{50,96,19,-28,-56,85,-71,-13},{51,96,19,-28,-56,85,-71,-13},
<a name="l00122"></a>00122 {51,97,19,-29,-56,86,-72,-13},{51,98,19,-29,-57,86,-72,-14},{52,98,19,-29,-57,87,-72,-14},{52,99,19,-29,-57,87,-73,-14},
<a name="l00123"></a>00123 {52,99,20,-29,-58,88,-73,-14},{52,100,20,-29,-58,88,-74,-14},{53,100,20,-30,-58,89,-74,-14},{53,101,20,-30,-59,89,-74,-14},
<a name="l00124"></a>00124 {53,102,20,-30,-59,90,-75,-14},{54,102,20,-30,-59,90,-75,-14},{54,103,20,-30,-60,91,-76,-14},{54,103,20,-30,-60,91,-76,-14},
<a name="l00125"></a>00125 {55,104,20,-31,-60,92,-77,-14},{55,104,21,-31,-61,92,-77,-15},{55,105,21,-31,-61,93,-77,-15},{55,106,21,-31,-61,93,-78,-15},
<a name="l00126"></a>00126 {56,106,21,-31,-62,94,-78,-15},{56,107,21,-31,-62,94,-79,-15},{56,107,21,-32,-62,95,-79,-15},{57,108,21,-32,-63,95,-79,-15},
<a name="l00127"></a>00127 {57,108,21,-32,-63,96,-80,-15},{57,109,22,-32,-63,96,-80,-15},{58,109,22,-32,-64,97,-81,-15},{58,110,22,-32,-64,97,-81,-15},
<a name="l00128"></a>00128 {58,111,22,-33,-64,98,-82,-15},{58,111,22,-33,-65,98,-82,-16},{59,112,22,-33,-65,99,-82,-16},{59,112,22,-33,-65,99,-83,-16},
<a name="l00129"></a>00129 {59,113,22,-33,-66,100,-83,-16},{60,113,22,-33,-66,100,-84,-16},{60,114,23,-34,-66,101,-84,-16},{60,115,23,-34,-67,101,-84,-16},
<a name="l00130"></a>00130 {60,115,23,-34,-67,102,-85,-16},{61,116,23,-34,-67,102,-85,-16},{61,116,23,-34,-68,103,-86,-16},{61,117,23,-34,-68,103,-86,-16},
<a name="l00131"></a>00131 {62,117,23,-35,-68,104,-87,-16},{62,118,23,-35,-69,104,-87,-16},{62,119,23,-35,-69,105,-87,-17},{63,119,24,-35,-69,105,-88,-17},
<a name="l00132"></a>00132 {63,120,24,-35,-70,106,-88,-17},{63,120,24,-35,-70,106,-89,-17},{63,121,24,-36,-70,107,-89,-17},{64,121,24,-36,-71,107,-90,-17},
<a name="l00133"></a>00133 {64,122,24,-36,-71,108,-90,-17},{64,123,24,-36,-71,108,-90,-17},{65,123,24,-36,-72,109,-91,-17},{65,124,24,-36,-72,109,-91,-17},
<a name="l00134"></a>00134 {65,124,25,-37,-72,110,-92,-17},{66,125,25,-37,-73,110,-92,-17},{66,125,25,-37,-73,111,-92,-18},{66,126,25,-37,-73,111,-93,-18},
<a name="l00135"></a>00135 {66,127,25,-37,-74,112,-93,-18},{67,127,25,-37,-74,112,-94,-18},{67,128,25,-38,-74,113,-94,-18},{67,128,25,-38,-75,113,-95,-18},
<a name="l00136"></a>00136 {68,129,25,-38,-75,114,-95,-18},{68,129,26,-38,-75,114,-95,-18},{68,130,26,-38,-76,115,-96,-18},{69,130,26,-38,-76,115,-96,-18},
<a name="l00137"></a>00137 {69,131,26,-39,-76,116,-97,-18},{69,132,26,-39,-77,116,-97,-18},{69,132,26,-39,-77,117,-97,-19},{70,133,26,-39,-77,117,-98,-19},
<a name="l00138"></a>00138 {70,133,26,-39,-78,118,-98,-19},{70,134,27,-39,-78,118,-99,-19},{71,134,27,-40,-78,119,-99,-19},{71,135,27,-40,-79,119,-100,-19},
<a name="l00139"></a>00139 {71,136,27,-40,-79,120,-100,-19},{72,136,27,-40,-79,120,-100,-19},{72,137,27,-40,-80,121,-101,-19},{72,137,27,-40,-80,121,-101,-19},
<a name="l00140"></a>00140 {72,138,27,-41,-80,122,-102,-19},{73,138,27,-41,-81,122,-102,-19},{73,139,28,-41,-81,123,-103,-19},{73,140,28,-41,-81,123,-103,-20},
<a name="l00141"></a>00141 {74,140,28,-41,-82,124,-103,-20},{74,141,28,-42,-82,124,-104,-20},{74,141,28,-42,-82,125,-104,-20},{75,142,28,-42,-83,125,-105,-20},
<a name="l00142"></a>00142 {75,142,28,-42,-83,126,-105,-20},{75,143,28,-42,-83,126,-105,-20},{75,144,28,-42,-84,127,-106,-20},{76,144,29,-43,-84,127,-106,-20}
<a name="l00143"></a>00143 };
<a name="l00144"></a>00144
<a name="l00145"></a>00145
<a name="l00155"></a><a class="code" href="stk11xx_8h.html#eb706601cc04933521aec8a0e78cbe7d">00155</a> <span class="keywordtype">int</span> <a class="code" href="stk11xx-bayer_8c.html#9ee33d88b9cef4d591b6f426599ac1de" title="Decompress a frame.">stk11xx_decompress</a>(<span class="keyword">struct</span> usb_stk11xx *dev)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordtype">int</span> factor;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordtype">void</span> *data;
<a name="l00160"></a>00160 <span class="keywordtype">void</span> *image;
<a name="l00161"></a>00161 <span class="keyword">struct </span>stk11xx_frame_buf *framebuf;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordflow">if</span> (dev == NULL)
<a name="l00164"></a>00164 <span class="keywordflow">return</span> -EFAULT;
<a name="l00165"></a>00165
<a name="l00166"></a>00166 framebuf = dev->read_frame;
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordflow">if</span> (framebuf == NULL)
<a name="l00169"></a>00169 <span class="keywordflow">return</span> -EFAULT;
<a name="l00170"></a>00170
<a name="l00171"></a>00171 image = dev->image_data;
<a name="l00172"></a>00172 image += dev->images[dev->fill_image].offset;
<a name="l00173"></a>00173
<a name="l00174"></a>00174 data = framebuf->data;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keywordflow">switch</span> (dev->resolution) {
<a name="l00177"></a>00177 <span class="keywordflow">case</span> STK11XX_80x60:
<a name="l00178"></a>00178 factor = 8;
<a name="l00179"></a>00179 <span class="keywordflow">break</span>;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordflow">case</span> STK11XX_128x96:
<a name="l00182"></a>00182 factor = 5;
<a name="l00183"></a>00183 <span class="keywordflow">break</span>;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">case</span> STK11XX_160x120:
<a name="l00186"></a>00186 factor = 4;
<a name="l00187"></a>00187 <span class="keywordflow">break</span>;
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordflow">case</span> STK11XX_213x160:
<a name="l00190"></a>00190 factor = 3;
<a name="l00191"></a>00191 <span class="keywordflow">break</span>;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keywordflow">case</span> STK11XX_320x240:
<a name="l00194"></a>00194 factor = 2;
<a name="l00195"></a>00195 <span class="keywordflow">break</span>;
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordflow">case</span> STK11XX_640x480:
<a name="l00198"></a>00198 factor = 1;
<a name="l00199"></a>00199 <span class="keywordflow">break</span>;
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="keywordflow">case</span> STK11XX_800x600:
<a name="l00202"></a>00202 factor = 1;
<a name="l00203"></a>00203 <span class="keywordflow">break</span>;
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="keywordflow">case</span> STK11XX_1024x768:
<a name="l00206"></a>00206 factor = 1;
<a name="l00207"></a>00207 <span class="keywordflow">break</span>;
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="keywordflow">case</span> STK11XX_1280x1024:
<a name="l00210"></a>00210 factor = 1;
<a name="l00211"></a>00211 <span class="keywordflow">break</span>;
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="keywordflow">default</span>:
<a name="l00214"></a>00214 <span class="keywordflow">return</span> -EFAULT;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="keywordflow">switch</span> (dev->vsettings.palette) {
<a name="l00219"></a>00219 <span class="keywordflow">case</span> STK11XX_PALETTE_RGB24:
<a name="l00220"></a>00220 <a class="code" href="stk11xx-bayer_8c.html#4cee14da251a2cf93345ea8917333be7" title="This function permits to convert an image from bayer to RGB24.">stk11xx_b2rgb24</a>(data, image, &dev->image, &dev->view,
<a name="l00221"></a>00221 dev->vsettings.hflip, dev->vsettings.vflip, factor);
<a name="l00222"></a>00222 <span class="keywordflow">break</span>;
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="keywordflow">case</span> STK11XX_PALETTE_RGB32:
<a name="l00225"></a>00225 <a class="code" href="stk11xx-bayer_8c.html#1687564c87776276417ab1cb081da473" title="This function permits to convert an image from bayer to RGB32.">stk11xx_b2rgb32</a>(data, image, &dev->image, &dev->view,
<a name="l00226"></a>00226 dev->vsettings.hflip, dev->vsettings.vflip, factor);
<a name="l00227"></a>00227 <span class="keywordflow">break</span>;
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="keywordflow">case</span> STK11XX_PALETTE_BGR24:
<a name="l00230"></a>00230 <a class="code" href="stk11xx-bayer_8c.html#6bcbf1bf31134702d6d0bd68dc6cf1ff" title="This function permits to convert an image from bayer to BGR24.">stk11xx_b2bgr24</a>(data, image, &dev->image, &dev->view,
<a name="l00231"></a>00231 dev->vsettings.hflip, dev->vsettings.vflip, factor);
<a name="l00232"></a>00232 <span class="keywordflow">break</span>;
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="keywordflow">case</span> STK11XX_PALETTE_BGR32:
<a name="l00235"></a>00235 <a class="code" href="stk11xx-bayer_8c.html#7da25f2658112c5df6f4ba8a110fc659" title="This function permits to convert an image from bayer to BGR32.">stk11xx_b2bgr32</a>(data, image, &dev->image, &dev->view,
<a name="l00236"></a>00236 dev->vsettings.hflip, dev->vsettings.vflip, factor);
<a name="l00237"></a>00237 <span class="keywordflow">break</span>;
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keywordflow">case</span> STK11XX_PALETTE_UYVY:
<a name="l00240"></a>00240 <a class="code" href="stk11xx-bayer_8c.html#392c3eb4d04531cb734ba5a8450ba251" title="This function permits to convert an image from bayer to YUV (UYVY).">stk11xx_b2uyvy</a>(data, image, &dev->image, &dev->view,
<a name="l00241"></a>00241 dev->vsettings.hflip, dev->vsettings.vflip, factor);
<a name="l00242"></a>00242 <span class="keywordflow">break</span>;
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keywordflow">case</span> STK11XX_PALETTE_YUYV:
<a name="l00245"></a>00245 <a class="code" href="stk11xx-bayer_8c.html#fc1e5a5cca4978b3640306f0b7166a4f" title="This function permits to convert an image from bayer to YUV (YUYV).">stk11xx_b2yuyv</a>(data, image, &dev->image, &dev->view,
<a name="l00246"></a>00246 dev->vsettings.hflip, dev->vsettings.vflip, factor);
<a name="l00247"></a>00247 <span class="keywordflow">break</span>;
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <a class="code" href="stk11xx-bayer_8c.html#620c3dcd6b59c0bd2dcad4b8741a8c9d" title="Correct the brightness of an image.">stk11xx_correct_brightness</a>(image, dev->view.x, dev->view.y,
<a name="l00251"></a>00251 dev->vsettings.brightness, dev->vsettings.palette, dev->vsettings.depth);
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="keywordflow">return</span> 0;
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256
<a name="l00270"></a><a class="code" href="stk11xx-bayer_8c.html#620c3dcd6b59c0bd2dcad4b8741a8c9d">00270</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#620c3dcd6b59c0bd2dcad4b8741a8c9d" title="Correct the brightness of an image.">stk11xx_correct_brightness</a>(uint8_t *img, <span class="keyword">const</span> <span class="keywordtype">int</span> width, <span class="keyword">const</span> <span class="keywordtype">int</span> height,
<a name="l00271"></a>00271 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#f3e3271e8fbc9f3863a2989d0105b070">brightness</a>, <span class="keywordtype">int</span> palette, <span class="keywordtype">int</span> depth)
<a name="l00272"></a>00272 {
<a name="l00273"></a>00273 <span class="keywordtype">int</span> i;
<a name="l00274"></a>00274 <span class="keywordtype">int</span> x;
<a name="l00275"></a>00275
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="keywordflow">switch</span> (palette) {
<a name="l00278"></a>00278 <span class="keywordflow">case</span> STK11XX_PALETTE_RGB24:
<a name="l00279"></a>00279 <span class="keywordflow">case</span> STK11XX_PALETTE_BGR24:
<a name="l00280"></a>00280 <span class="keywordflow">case</span> STK11XX_PALETTE_RGB32:
<a name="l00281"></a>00281 <span class="keywordflow">case</span> STK11XX_PALETTE_BGR32:
<a name="l00282"></a>00282 depth = (depth == 24) ? 3 : 4;
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (brightness >= 32767) {
<a name="l00285"></a>00285 x = (brightness - 32767) / 256;
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="keywordflow">for</span> (i = 0; i < (width * height * depth); i++) {
<a name="l00288"></a>00288 <span class="keywordflow">if</span> ((*(img + i) + (<span class="keywordtype">unsigned</span> char) x) > 255)
<a name="l00289"></a>00289 *(img + i) = 255;
<a name="l00290"></a>00290 <span class="keywordflow">else</span>
<a name="l00291"></a>00291 *(img + i) += (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x;
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294 <span class="keywordflow">else</span> {
<a name="l00295"></a>00295 x = (32767 - brightness) / 256;
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keywordflow">for</span> (i = 0; i < (width * height * depth); i++) {
<a name="l00298"></a>00298 <span class="keywordflow">if</span> ((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x > *(img + i))
<a name="l00299"></a>00299 *(img + i) = 0;
<a name="l00300"></a>00300 <span class="keywordflow">else</span>
<a name="l00301"></a>00301 *(img + i) -= (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keywordflow">break</span>;
<a name="l00306"></a>00306
<a name="l00307"></a>00307 <span class="keywordflow">case</span> STK11XX_PALETTE_UYVY:
<a name="l00308"></a>00308 depth = 2;
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (brightness >= 32767) {
<a name="l00311"></a>00311 x = (brightness - 32767) / 256;
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordflow">for</span> (i = 1; i < (width * height * depth); i=i+depth) {
<a name="l00314"></a>00314 <span class="keywordflow">if</span> ((*(img + i) + (<span class="keywordtype">unsigned</span> char) x) > 255)
<a name="l00315"></a>00315 *(img + i) = 255;
<a name="l00316"></a>00316 <span class="keywordflow">else</span>
<a name="l00317"></a>00317 *(img + i) += (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x;
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320 <span class="keywordflow">else</span> {
<a name="l00321"></a>00321 x = (32767 - brightness) / 256;
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="keywordflow">for</span> (i = 1; i < (width * height * depth); i=i+depth) {
<a name="l00324"></a>00324 <span class="keywordflow">if</span> ((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x > *(img + i))
<a name="l00325"></a>00325 *(img + i) = 0;
<a name="l00326"></a>00326 <span class="keywordflow">else</span>
<a name="l00327"></a>00327 *(img + i) -= (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x;
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">break</span>;
<a name="l00332"></a>00332
<a name="l00333"></a>00333 <span class="keywordflow">case</span> STK11XX_PALETTE_YUYV:
<a name="l00334"></a>00334 depth = 2;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keywordflow">if</span> (brightness >= 32767) {
<a name="l00337"></a>00337 x = (brightness - 32767) / 256;
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="keywordflow">for</span> (i = 0; i < (width * height * depth); i=i+depth) {
<a name="l00340"></a>00340 <span class="keywordflow">if</span> ((*(img + i) + (<span class="keywordtype">unsigned</span> char) x) > 255)
<a name="l00341"></a>00341 *(img + i) = 255;
<a name="l00342"></a>00342 <span class="keywordflow">else</span>
<a name="l00343"></a>00343 *(img + i) += (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346 <span class="keywordflow">else</span> {
<a name="l00347"></a>00347 x = (32767 - brightness) / 256;
<a name="l00348"></a>00348
<a name="l00349"></a>00349 <span class="keywordflow">for</span> (i = 0; i < (width * height * depth); i=i+depth) {
<a name="l00350"></a>00350 <span class="keywordflow">if</span> ((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x > *(img + i))
<a name="l00351"></a>00351 *(img + i) = 0;
<a name="l00352"></a>00352 <span class="keywordflow">else</span>
<a name="l00353"></a>00353 *(img + i) -= (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) x;
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keywordflow">break</span>;
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360
<a name="l00361"></a>00361
<a name="l00374"></a><a class="code" href="stk11xx-bayer_8c.html#4cee14da251a2cf93345ea8917333be7">00374</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#4cee14da251a2cf93345ea8917333be7" title="This function permits to convert an image from bayer to RGB24.">stk11xx_b2rgb24</a>(uint8_t *bayer, uint8_t *rgb,
<a name="l00375"></a>00375 <span class="keyword">struct</span> stk11xx_coord *image,
<a name="l00376"></a>00376 <span class="keyword">struct</span> stk11xx_coord *view,
<a name="l00377"></a>00377 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#16f641fad5b6a3a19b62c1486d413728">hflip</a>, <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#5cd2e203aadee84bf52b7c8abf5af815">vflip</a>,
<a name="l00378"></a>00378 <span class="keyword">const</span> <span class="keywordtype">int</span> factor) {
<a name="l00379"></a>00379 uint8_t *b;
<a name="l00380"></a>00380
<a name="l00381"></a>00381 <span class="keywordtype">int</span> x, y; <span class="comment">// Position in bayer image</span>
<a name="l00382"></a>00382 <span class="keywordtype">int</span> i, j; <span class="comment">// Position in rgb image</span>
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="keywordtype">int</span> width = image->x;
<a name="l00385"></a>00385 <span class="keywordtype">int</span> height = image->y;
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <span class="keywordtype">int</span> nwidth = width / factor;
<a name="l00388"></a>00388 <span class="keywordtype">int</span> nheight = height / factor;
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <span class="keywordtype">int</span> offset;
<a name="l00391"></a>00391 <span class="keywordtype">int</span> startx, stepx;
<a name="l00392"></a>00392 <span class="keywordtype">int</span> starty, stepy;
<a name="l00393"></a>00393
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <span class="comment">// Calculate the initial position (on Y axis)</span>
<a name="l00396"></a>00396 <span class="keywordflow">if</span> (vflip) {
<a name="l00397"></a>00397 starty = height - 2;
<a name="l00398"></a>00398 stepy = -factor;
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400 <span class="keywordflow">else</span> {
<a name="l00401"></a>00401 starty = 0;
<a name="l00402"></a>00402 stepy = factor;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <span class="comment">// Calculate the initial position (on X axis)</span>
<a name="l00406"></a>00406 <span class="keywordflow">if</span> (hflip) {
<a name="l00407"></a>00407 startx = width - 1;
<a name="l00408"></a>00408 stepx = -factor;
<a name="l00409"></a>00409 offset = width - 2;
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411 <span class="keywordflow">else</span> {
<a name="l00412"></a>00412 startx = 0;
<a name="l00413"></a>00413 stepx = factor;
<a name="l00414"></a>00414 offset = 1;
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416
<a name="l00417"></a>00417
<a name="l00418"></a>00418 <span class="comment">// Skip the first line</span>
<a name="l00419"></a>00419 bayer += width;
<a name="l00420"></a>00420
<a name="l00421"></a>00421 <span class="comment">// To center vertically the image in the view</span>
<a name="l00422"></a>00422 rgb += ((view->y - nheight) / 2) * view->x * 3;
<a name="l00423"></a>00423
<a name="l00424"></a>00424 <span class="comment">// To center horizontally the image in the view</span>
<a name="l00425"></a>00425 rgb += ((view->x - nwidth) / 2) * 3;
<a name="l00426"></a>00426
<a name="l00427"></a>00427 <span class="comment">// Clean the first line</span>
<a name="l00428"></a>00428 memset(rgb, 0, nwidth * 3);
<a name="l00429"></a>00429 rgb += nwidth * 3;
<a name="l00430"></a>00430
<a name="l00431"></a>00431
<a name="l00432"></a>00432 <span class="comment">// For each rgb line without the borders (first and last line)</span>
<a name="l00433"></a>00433 <span class="keywordflow">for</span> (j=0, y=starty; j<nheight-2; j++, y=y+stepy) {
<a name="l00434"></a>00434 <span class="comment">// Go to the start of line</span>
<a name="l00435"></a>00435 b = bayer + y * width + offset;
<a name="l00436"></a>00436
<a name="l00437"></a>00437 <span class="comment">// Offset to center horizontally the image in the view</span>
<a name="l00438"></a>00438 rgb += (view->x - nwidth) * 3;
<a name="l00439"></a>00439
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (y & 0x1) {
<a name="l00441"></a>00441 <span class="comment">// Skip the first pixel</span>
<a name="l00442"></a>00442 *rgb++ = 0;
<a name="l00443"></a>00443 *rgb++ = 0;
<a name="l00444"></a>00444 *rgb++ = 0;
<a name="l00445"></a>00445
<a name="l00446"></a>00446 <span class="comment">// GBGBGB : Line process...</span>
<a name="l00447"></a>00447 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00448"></a>00448 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00449"></a>00449 *rgb++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00450"></a>00450 *rgb++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00451"></a>00451 *rgb++ = *b;
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453 <span class="keywordflow">else</span> {
<a name="l00454"></a>00454 *rgb++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00455"></a>00455 *rgb++ = *b;
<a name="l00456"></a>00456 *rgb++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458
<a name="l00459"></a>00459 b += stepx;
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="comment">// Skip the last pixel</span>
<a name="l00463"></a>00463 *rgb++ = 0;
<a name="l00464"></a>00464 *rgb++ = 0;
<a name="l00465"></a>00465 *rgb++ = 0;
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467 <span class="keywordflow">else</span> {
<a name="l00468"></a>00468 <span class="comment">// Skip the first pixel</span>
<a name="l00469"></a>00469 *rgb++ = 0;
<a name="l00470"></a>00470 *rgb++ = 0;
<a name="l00471"></a>00471 *rgb++ = 0;
<a name="l00472"></a>00472
<a name="l00473"></a>00473 <span class="comment">// RGRGRG : Line process...</span>
<a name="l00474"></a>00474 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00475"></a>00475 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00476"></a>00476 *rgb++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00477"></a>00477 *rgb++ = *b;
<a name="l00478"></a>00478 *rgb++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480 <span class="keywordflow">else</span> {
<a name="l00481"></a>00481 *rgb++ = *b;
<a name="l00482"></a>00482 *rgb++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00483"></a>00483 *rgb++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485
<a name="l00486"></a>00486 b += stepx;
<a name="l00487"></a>00487 }
<a name="l00488"></a>00488
<a name="l00489"></a>00489 <span class="comment">// Skip the last pixel</span>
<a name="l00490"></a>00490 *rgb++ = 0;
<a name="l00491"></a>00491 *rgb++ = 0;
<a name="l00492"></a>00492 *rgb++ = 0;
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494 }
<a name="l00495"></a>00495
<a name="l00496"></a>00496 <span class="comment">// Clean the last line</span>
<a name="l00497"></a>00497 memset(rgb, 0, nwidth * 3);
<a name="l00498"></a>00498 }
<a name="l00499"></a>00499
<a name="l00500"></a>00500
<a name="l00513"></a><a class="code" href="stk11xx-bayer_8c.html#1687564c87776276417ab1cb081da473">00513</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#1687564c87776276417ab1cb081da473" title="This function permits to convert an image from bayer to RGB32.">stk11xx_b2rgb32</a>(uint8_t *bayer, uint8_t *rgb,
<a name="l00514"></a>00514 <span class="keyword">struct</span> stk11xx_coord *image,
<a name="l00515"></a>00515 <span class="keyword">struct</span> stk11xx_coord *view,
<a name="l00516"></a>00516 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#16f641fad5b6a3a19b62c1486d413728">hflip</a>, <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#5cd2e203aadee84bf52b7c8abf5af815">vflip</a>,
<a name="l00517"></a>00517 <span class="keyword">const</span> <span class="keywordtype">int</span> factor) {
<a name="l00518"></a>00518 uint8_t *b;
<a name="l00519"></a>00519
<a name="l00520"></a>00520 <span class="keywordtype">int</span> x, y; <span class="comment">// Position in bayer image</span>
<a name="l00521"></a>00521 <span class="keywordtype">int</span> i, j; <span class="comment">// Position in rgb image</span>
<a name="l00522"></a>00522
<a name="l00523"></a>00523 <span class="keywordtype">int</span> width = image->x;
<a name="l00524"></a>00524 <span class="keywordtype">int</span> height = image->y;
<a name="l00525"></a>00525
<a name="l00526"></a>00526 <span class="keywordtype">int</span> nwidth = width / factor;
<a name="l00527"></a>00527 <span class="keywordtype">int</span> nheight = height / factor;
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <span class="keywordtype">int</span> offset;
<a name="l00530"></a>00530 <span class="keywordtype">int</span> startx, stepx;
<a name="l00531"></a>00531 <span class="keywordtype">int</span> starty, stepy;
<a name="l00532"></a>00532
<a name="l00533"></a>00533
<a name="l00534"></a>00534 <span class="comment">// Calculate the initial position (on Y axis)</span>
<a name="l00535"></a>00535 <span class="keywordflow">if</span> (vflip) {
<a name="l00536"></a>00536 starty = height - 2;
<a name="l00537"></a>00537 stepy = -factor;
<a name="l00538"></a>00538 }
<a name="l00539"></a>00539 <span class="keywordflow">else</span> {
<a name="l00540"></a>00540 starty = 0;
<a name="l00541"></a>00541 stepy = factor;
<a name="l00542"></a>00542 }
<a name="l00543"></a>00543
<a name="l00544"></a>00544 <span class="comment">// Calculate the initial position (on X axis)</span>
<a name="l00545"></a>00545 <span class="keywordflow">if</span> (hflip) {
<a name="l00546"></a>00546 startx = width - 1;
<a name="l00547"></a>00547 stepx = -factor;
<a name="l00548"></a>00548 offset = width - 2;
<a name="l00549"></a>00549 }
<a name="l00550"></a>00550 <span class="keywordflow">else</span> {
<a name="l00551"></a>00551 startx = 0;
<a name="l00552"></a>00552 stepx = factor;
<a name="l00553"></a>00553 offset = 1;
<a name="l00554"></a>00554 }
<a name="l00555"></a>00555
<a name="l00556"></a>00556
<a name="l00557"></a>00557 <span class="comment">// Skip the first line</span>
<a name="l00558"></a>00558 bayer += width;
<a name="l00559"></a>00559
<a name="l00560"></a>00560 <span class="comment">// To center vertically the image in the view</span>
<a name="l00561"></a>00561 rgb += ((view->y - nheight) / 2) * view->x * 4;
<a name="l00562"></a>00562
<a name="l00563"></a>00563 <span class="comment">// To center horizontally the image in the view</span>
<a name="l00564"></a>00564 rgb += ((view->x - nwidth) / 2) * 4;
<a name="l00565"></a>00565
<a name="l00566"></a>00566 <span class="comment">// Clean the first line</span>
<a name="l00567"></a>00567 memset(rgb, 0, nwidth * 4);
<a name="l00568"></a>00568 rgb += nwidth * 4;
<a name="l00569"></a>00569
<a name="l00570"></a>00570
<a name="l00571"></a>00571 <span class="comment">// For each rgb line without the borders (first and last line)</span>
<a name="l00572"></a>00572 <span class="keywordflow">for</span> (j=0, y=starty; j<nheight-2; j++, y=y+stepy) {
<a name="l00573"></a>00573 <span class="comment">// Go to the start of line</span>
<a name="l00574"></a>00574 b = bayer + y * width + offset;
<a name="l00575"></a>00575
<a name="l00576"></a>00576 <span class="comment">// Offset to center horizontally the image in the view</span>
<a name="l00577"></a>00577 rgb += (view->x - nwidth) * 4;
<a name="l00578"></a>00578
<a name="l00579"></a>00579 <span class="keywordflow">if</span> (y & 0x1) {
<a name="l00580"></a>00580 <span class="comment">// Skip the first pixel</span>
<a name="l00581"></a>00581 *rgb++ = 0;
<a name="l00582"></a>00582 *rgb++ = 0;
<a name="l00583"></a>00583 *rgb++ = 0;
<a name="l00584"></a>00584 *rgb++ = 0;
<a name="l00585"></a>00585
<a name="l00586"></a>00586 <span class="comment">// GBGBGB : Line process...</span>
<a name="l00587"></a>00587 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00588"></a>00588 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00589"></a>00589 *rgb++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00590"></a>00590 *rgb++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00591"></a>00591 *rgb++ = *b;
<a name="l00592"></a>00592 *rgb++ = 0;
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594 <span class="keywordflow">else</span> {
<a name="l00595"></a>00595 *rgb++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00596"></a>00596 *rgb++ = *b;
<a name="l00597"></a>00597 *rgb++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00598"></a>00598 *rgb++ = 0;
<a name="l00599"></a>00599 }
<a name="l00600"></a>00600
<a name="l00601"></a>00601 b += stepx;
<a name="l00602"></a>00602 }
<a name="l00603"></a>00603
<a name="l00604"></a>00604 <span class="comment">// Skip the last pixel</span>
<a name="l00605"></a>00605 *rgb++ = 0;
<a name="l00606"></a>00606 *rgb++ = 0;
<a name="l00607"></a>00607 *rgb++ = 0;
<a name="l00608"></a>00608 *rgb++ = 0;
<a name="l00609"></a>00609 }
<a name="l00610"></a>00610 <span class="keywordflow">else</span> {
<a name="l00611"></a>00611 <span class="comment">// Skip the first pixel</span>
<a name="l00612"></a>00612 *rgb++ = 0;
<a name="l00613"></a>00613 *rgb++ = 0;
<a name="l00614"></a>00614 *rgb++ = 0;
<a name="l00615"></a>00615 *rgb++ = 0;
<a name="l00616"></a>00616
<a name="l00617"></a>00617 <span class="comment">// RGRGRG : Line process...</span>
<a name="l00618"></a>00618 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00619"></a>00619 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00620"></a>00620 *rgb++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00621"></a>00621 *rgb++ = *b;
<a name="l00622"></a>00622 *rgb++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00623"></a>00623 *rgb++ = 0;
<a name="l00624"></a>00624 }
<a name="l00625"></a>00625 <span class="keywordflow">else</span> {
<a name="l00626"></a>00626 *rgb++ = *b;
<a name="l00627"></a>00627 *rgb++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00628"></a>00628 *rgb++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00629"></a>00629 *rgb++ = 0;
<a name="l00630"></a>00630 }
<a name="l00631"></a>00631
<a name="l00632"></a>00632 b += stepx;
<a name="l00633"></a>00633 }
<a name="l00634"></a>00634
<a name="l00635"></a>00635 <span class="comment">// Skip the last pixel</span>
<a name="l00636"></a>00636 *rgb++ = 0;
<a name="l00637"></a>00637 *rgb++ = 0;
<a name="l00638"></a>00638 *rgb++ = 0;
<a name="l00639"></a>00639 *rgb++ = 0;
<a name="l00640"></a>00640 }
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642
<a name="l00643"></a>00643 <span class="comment">// Clean the last line</span>
<a name="l00644"></a>00644 memset(rgb, 0, nwidth * 4);
<a name="l00645"></a>00645 }
<a name="l00646"></a>00646
<a name="l00647"></a>00647
<a name="l00660"></a><a class="code" href="stk11xx-bayer_8c.html#6bcbf1bf31134702d6d0bd68dc6cf1ff">00660</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#6bcbf1bf31134702d6d0bd68dc6cf1ff" title="This function permits to convert an image from bayer to BGR24.">stk11xx_b2bgr24</a>(uint8_t *bayer, uint8_t *bgr,
<a name="l00661"></a>00661 <span class="keyword">struct</span> stk11xx_coord *image,
<a name="l00662"></a>00662 <span class="keyword">struct</span> stk11xx_coord *view,
<a name="l00663"></a>00663 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#16f641fad5b6a3a19b62c1486d413728">hflip</a>, <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#5cd2e203aadee84bf52b7c8abf5af815">vflip</a>,
<a name="l00664"></a>00664 <span class="keyword">const</span> <span class="keywordtype">int</span> factor) {
<a name="l00665"></a>00665 uint8_t *b;
<a name="l00666"></a>00666
<a name="l00667"></a>00667 <span class="keywordtype">int</span> x, y; <span class="comment">// Position in bayer image</span>
<a name="l00668"></a>00668 <span class="keywordtype">int</span> i, j; <span class="comment">// Position in bgr image</span>
<a name="l00669"></a>00669
<a name="l00670"></a>00670 <span class="keywordtype">int</span> width = image->x;
<a name="l00671"></a>00671 <span class="keywordtype">int</span> height = image->y;
<a name="l00672"></a>00672
<a name="l00673"></a>00673 <span class="keywordtype">int</span> nwidth = width / factor;
<a name="l00674"></a>00674 <span class="keywordtype">int</span> nheight = height / factor;
<a name="l00675"></a>00675
<a name="l00676"></a>00676 <span class="keywordtype">int</span> offset;
<a name="l00677"></a>00677 <span class="keywordtype">int</span> startx, stepx;
<a name="l00678"></a>00678 <span class="keywordtype">int</span> starty, stepy;
<a name="l00679"></a>00679
<a name="l00680"></a>00680
<a name="l00681"></a>00681 <span class="comment">// Calculate the initial position (on Y axis)</span>
<a name="l00682"></a>00682 <span class="keywordflow">if</span> (vflip) {
<a name="l00683"></a>00683 starty = height - 2;
<a name="l00684"></a>00684 stepy = -factor;
<a name="l00685"></a>00685 }
<a name="l00686"></a>00686 <span class="keywordflow">else</span> {
<a name="l00687"></a>00687 starty = 0;
<a name="l00688"></a>00688 stepy = factor;
<a name="l00689"></a>00689 }
<a name="l00690"></a>00690
<a name="l00691"></a>00691 <span class="comment">// Calculate the initial position (on X axis)</span>
<a name="l00692"></a>00692 <span class="keywordflow">if</span> (hflip) {
<a name="l00693"></a>00693 startx = width - 1;
<a name="l00694"></a>00694 stepx = -factor;
<a name="l00695"></a>00695 offset = width - 2;
<a name="l00696"></a>00696 }
<a name="l00697"></a>00697 <span class="keywordflow">else</span> {
<a name="l00698"></a>00698 startx = 0;
<a name="l00699"></a>00699 stepx = factor;
<a name="l00700"></a>00700 offset = 1;
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <span class="comment">// Skip the first line</span>
<a name="l00705"></a>00705 bayer += width;
<a name="l00706"></a>00706
<a name="l00707"></a>00707 <span class="comment">// To center vertically the image in the view</span>
<a name="l00708"></a>00708 bgr += ((view->y - nheight) / 2) * view->x * 3;
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <span class="comment">// To center horizontally the image in the view</span>
<a name="l00711"></a>00711 bgr += ((view->x - nwidth) / 2) * 3;
<a name="l00712"></a>00712
<a name="l00713"></a>00713 <span class="comment">// Clean the first line</span>
<a name="l00714"></a>00714 memset(bgr, 0, nwidth * 3);
<a name="l00715"></a>00715 bgr += nwidth * 3;
<a name="l00716"></a>00716
<a name="l00717"></a>00717
<a name="l00718"></a>00718 <span class="comment">// For each bgr line without the borders (first and last line)</span>
<a name="l00719"></a>00719 <span class="keywordflow">for</span> (j=0, y=starty; j<nheight-2; j++, y=y+stepy) {
<a name="l00720"></a>00720 <span class="comment">// Go to the start of line</span>
<a name="l00721"></a>00721 b = bayer + y * width + offset;
<a name="l00722"></a>00722
<a name="l00723"></a>00723 <span class="comment">// Offset to center horizontally the image in the view</span>
<a name="l00724"></a>00724 bgr += (view->x - nwidth) * 3;
<a name="l00725"></a>00725
<a name="l00726"></a>00726 <span class="keywordflow">if</span> (y & 0x1) {
<a name="l00727"></a>00727 <span class="comment">// Skip the first pixel</span>
<a name="l00728"></a>00728 *bgr++ = 0;
<a name="l00729"></a>00729 *bgr++ = 0;
<a name="l00730"></a>00730 *bgr++ = 0;
<a name="l00731"></a>00731
<a name="l00732"></a>00732 <span class="comment">// GBGBGB : Line process...</span>
<a name="l00733"></a>00733 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00734"></a>00734 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00735"></a>00735 *bgr++ = *b;
<a name="l00736"></a>00736 *bgr++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00737"></a>00737 *bgr++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00738"></a>00738 }
<a name="l00739"></a>00739 <span class="keywordflow">else</span> {
<a name="l00740"></a>00740 *bgr++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00741"></a>00741 *bgr++ = *b;
<a name="l00742"></a>00742 *bgr++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00743"></a>00743 }
<a name="l00744"></a>00744
<a name="l00745"></a>00745 b += stepx;
<a name="l00746"></a>00746 }
<a name="l00747"></a>00747
<a name="l00748"></a>00748 <span class="comment">// Skip the last pixel</span>
<a name="l00749"></a>00749 *bgr++ = 0;
<a name="l00750"></a>00750 *bgr++ = 0;
<a name="l00751"></a>00751 *bgr++ = 0;
<a name="l00752"></a>00752 }
<a name="l00753"></a>00753 <span class="keywordflow">else</span> {
<a name="l00754"></a>00754 <span class="comment">// Skip the first pixel</span>
<a name="l00755"></a>00755 *bgr++ = 0;
<a name="l00756"></a>00756 *bgr++ = 0;
<a name="l00757"></a>00757 *bgr++ = 0;
<a name="l00758"></a>00758
<a name="l00759"></a>00759 <span class="comment">// RGRGRG : Line process...</span>
<a name="l00760"></a>00760 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00761"></a>00761 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00762"></a>00762 *bgr++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00763"></a>00763 *bgr++ = *b;
<a name="l00764"></a>00764 *bgr++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00765"></a>00765 }
<a name="l00766"></a>00766 <span class="keywordflow">else</span> {
<a name="l00767"></a>00767 *bgr++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00768"></a>00768 *bgr++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00769"></a>00769 *bgr++ = *b;
<a name="l00770"></a>00770 }
<a name="l00771"></a>00771
<a name="l00772"></a>00772 b += stepx;
<a name="l00773"></a>00773 }
<a name="l00774"></a>00774
<a name="l00775"></a>00775 <span class="comment">// Skip the last pixel</span>
<a name="l00776"></a>00776 *bgr++ = 0;
<a name="l00777"></a>00777 *bgr++ = 0;
<a name="l00778"></a>00778 *bgr++ = 0;
<a name="l00779"></a>00779 }
<a name="l00780"></a>00780 }
<a name="l00781"></a>00781
<a name="l00782"></a>00782 <span class="comment">// Clean the last line</span>
<a name="l00783"></a>00783 memset(bgr, 0, nwidth * 3);
<a name="l00784"></a>00784 }
<a name="l00785"></a>00785
<a name="l00786"></a>00786
<a name="l00799"></a><a class="code" href="stk11xx-bayer_8c.html#7da25f2658112c5df6f4ba8a110fc659">00799</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#7da25f2658112c5df6f4ba8a110fc659" title="This function permits to convert an image from bayer to BGR32.">stk11xx_b2bgr32</a>(uint8_t *bayer, uint8_t *bgr,
<a name="l00800"></a>00800 <span class="keyword">struct</span> stk11xx_coord *image,
<a name="l00801"></a>00801 <span class="keyword">struct</span> stk11xx_coord *view,
<a name="l00802"></a>00802 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#16f641fad5b6a3a19b62c1486d413728">hflip</a>, <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#5cd2e203aadee84bf52b7c8abf5af815">vflip</a>,
<a name="l00803"></a>00803 <span class="keyword">const</span> <span class="keywordtype">int</span> factor) {
<a name="l00804"></a>00804 uint8_t *b;
<a name="l00805"></a>00805
<a name="l00806"></a>00806 <span class="keywordtype">int</span> x, y; <span class="comment">// Position in bayer image</span>
<a name="l00807"></a>00807 <span class="keywordtype">int</span> i, j; <span class="comment">// Position in bgr image</span>
<a name="l00808"></a>00808
<a name="l00809"></a>00809 <span class="keywordtype">int</span> width = image->x;
<a name="l00810"></a>00810 <span class="keywordtype">int</span> height = image->y;
<a name="l00811"></a>00811
<a name="l00812"></a>00812 <span class="keywordtype">int</span> nwidth = width / factor;
<a name="l00813"></a>00813 <span class="keywordtype">int</span> nheight = height / factor;
<a name="l00814"></a>00814
<a name="l00815"></a>00815 <span class="keywordtype">int</span> offset;
<a name="l00816"></a>00816 <span class="keywordtype">int</span> startx, stepx;
<a name="l00817"></a>00817 <span class="keywordtype">int</span> starty, stepy;
<a name="l00818"></a>00818
<a name="l00819"></a>00819
<a name="l00820"></a>00820 <span class="comment">// Calculate the initial position (on Y axis)</span>
<a name="l00821"></a>00821 <span class="keywordflow">if</span> (vflip) {
<a name="l00822"></a>00822 starty = height - 2;
<a name="l00823"></a>00823 stepy = -factor;
<a name="l00824"></a>00824 }
<a name="l00825"></a>00825 <span class="keywordflow">else</span> {
<a name="l00826"></a>00826 starty = 0;
<a name="l00827"></a>00827 stepy = factor;
<a name="l00828"></a>00828 }
<a name="l00829"></a>00829
<a name="l00830"></a>00830 <span class="comment">// Calculate the initial position (on X axis)</span>
<a name="l00831"></a>00831 <span class="keywordflow">if</span> (hflip) {
<a name="l00832"></a>00832 startx = width - 1;
<a name="l00833"></a>00833 stepx = -factor;
<a name="l00834"></a>00834 offset = width - 2;
<a name="l00835"></a>00835 }
<a name="l00836"></a>00836 <span class="keywordflow">else</span> {
<a name="l00837"></a>00837 startx = 0;
<a name="l00838"></a>00838 stepx = factor;
<a name="l00839"></a>00839 offset = 1;
<a name="l00840"></a>00840 }
<a name="l00841"></a>00841
<a name="l00842"></a>00842
<a name="l00843"></a>00843 <span class="comment">// Skip the first line</span>
<a name="l00844"></a>00844 bayer += width;
<a name="l00845"></a>00845
<a name="l00846"></a>00846 <span class="comment">// To center vertically the image in the view</span>
<a name="l00847"></a>00847 bgr += ((view->y - nheight) / 2) * view->x * 4;
<a name="l00848"></a>00848
<a name="l00849"></a>00849 <span class="comment">// To center horizontally the image in the view</span>
<a name="l00850"></a>00850 bgr += ((view->x - nwidth) / 2) * 4;
<a name="l00851"></a>00851
<a name="l00852"></a>00852 <span class="comment">// Clean the first line</span>
<a name="l00853"></a>00853 memset(bgr, 0, nwidth * 4);
<a name="l00854"></a>00854 bgr += nwidth * 4;
<a name="l00855"></a>00855
<a name="l00856"></a>00856
<a name="l00857"></a>00857 <span class="comment">// For each bgr line without the borders (first and last line)</span>
<a name="l00858"></a>00858 <span class="keywordflow">for</span> (j=0, y=starty; j<nheight-2; j++, y=y+stepy) {
<a name="l00859"></a>00859 <span class="comment">// Go to the start of line</span>
<a name="l00860"></a>00860 b = bayer + y * width + offset;
<a name="l00861"></a>00861
<a name="l00862"></a>00862 <span class="comment">// Offset to center horizontally the image in the view</span>
<a name="l00863"></a>00863 bgr += (view->x - nwidth) * 4;
<a name="l00864"></a>00864
<a name="l00865"></a>00865 <span class="keywordflow">if</span> (y & 0x1) {
<a name="l00866"></a>00866 <span class="comment">// Skip the first pixel</span>
<a name="l00867"></a>00867 *bgr++ = 0;
<a name="l00868"></a>00868 *bgr++ = 0;
<a name="l00869"></a>00869 *bgr++ = 0;
<a name="l00870"></a>00870 *bgr++ = 0;
<a name="l00871"></a>00871
<a name="l00872"></a>00872 <span class="comment">// GBGBGB : Line process...</span>
<a name="l00873"></a>00873 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00874"></a>00874 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00875"></a>00875 *bgr++ = *b;
<a name="l00876"></a>00876 *bgr++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00877"></a>00877 *bgr++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00878"></a>00878 *bgr++ = 0;
<a name="l00879"></a>00879 }
<a name="l00880"></a>00880 <span class="keywordflow">else</span> {
<a name="l00881"></a>00881 *bgr++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00882"></a>00882 *bgr++ = *b;
<a name="l00883"></a>00883 *bgr++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00884"></a>00884 *bgr++ = 0;
<a name="l00885"></a>00885 }
<a name="l00886"></a>00886
<a name="l00887"></a>00887 b += stepx;
<a name="l00888"></a>00888 }
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="comment">// Skip the last pixel</span>
<a name="l00891"></a>00891 *bgr++ = 0;
<a name="l00892"></a>00892 *bgr++ = 0;
<a name="l00893"></a>00893 *bgr++ = 0;
<a name="l00894"></a>00894 *bgr++ = 0;
<a name="l00895"></a>00895 }
<a name="l00896"></a>00896 <span class="keywordflow">else</span> {
<a name="l00897"></a>00897 <span class="comment">// Skip the first pixel</span>
<a name="l00898"></a>00898 *bgr++ = 0;
<a name="l00899"></a>00899 *bgr++ = 0;
<a name="l00900"></a>00900 *bgr++ = 0;
<a name="l00901"></a>00901 *bgr++ = 0;
<a name="l00902"></a>00902
<a name="l00903"></a>00903 <span class="comment">// RGRGRG : Line process...</span>
<a name="l00904"></a>00904 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l00905"></a>00905 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l00906"></a>00906 *bgr++ = (*(b-width) + *(b+width)) >> 1;
<a name="l00907"></a>00907 *bgr++ = *b;
<a name="l00908"></a>00908 *bgr++ = (*(b-1) + *(b+1)) >> 1;
<a name="l00909"></a>00909 *bgr++ = 0;
<a name="l00910"></a>00910 }
<a name="l00911"></a>00911 <span class="keywordflow">else</span> {
<a name="l00912"></a>00912 *bgr++ = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l00913"></a>00913 *bgr++ = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l00914"></a>00914 *bgr++ = *b;
<a name="l00915"></a>00915 *bgr++ = 0;
<a name="l00916"></a>00916 }
<a name="l00917"></a>00917
<a name="l00918"></a>00918 b += stepx;
<a name="l00919"></a>00919 }
<a name="l00920"></a>00920
<a name="l00921"></a>00921 <span class="comment">// Skip the last pixel</span>
<a name="l00922"></a>00922 *bgr++ = 0;
<a name="l00923"></a>00923 *bgr++ = 0;
<a name="l00924"></a>00924 *bgr++ = 0;
<a name="l00925"></a>00925 *bgr++ = 0;
<a name="l00926"></a>00926 }
<a name="l00927"></a>00927 }
<a name="l00928"></a>00928
<a name="l00929"></a>00929 <span class="comment">// Clean the last line</span>
<a name="l00930"></a>00930 memset(bgr, 0, nwidth * 4);
<a name="l00931"></a>00931 }
<a name="l00932"></a>00932
<a name="l00933"></a>00933
<a name="l00946"></a><a class="code" href="stk11xx-bayer_8c.html#392c3eb4d04531cb734ba5a8450ba251">00946</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#392c3eb4d04531cb734ba5a8450ba251" title="This function permits to convert an image from bayer to YUV (UYVY).">stk11xx_b2uyvy</a>(uint8_t *bayer, uint8_t *yuv,
<a name="l00947"></a>00947 <span class="keyword">struct</span> stk11xx_coord *image,
<a name="l00948"></a>00948 <span class="keyword">struct</span> stk11xx_coord *view,
<a name="l00949"></a>00949 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#16f641fad5b6a3a19b62c1486d413728">hflip</a>, <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#5cd2e203aadee84bf52b7c8abf5af815">vflip</a>,
<a name="l00950"></a>00950 <span class="keyword">const</span> <span class="keywordtype">int</span> factor) {
<a name="l00951"></a>00951 uint8_t *b;
<a name="l00952"></a>00952
<a name="l00953"></a>00953 <span class="keywordtype">int</span> x, y; <span class="comment">// Position in bayer image</span>
<a name="l00954"></a>00954 <span class="keywordtype">int</span> i, j; <span class="comment">// Position in yuv image</span>
<a name="l00955"></a>00955
<a name="l00956"></a>00956 <span class="keywordtype">int</span> pR, pG, pB;
<a name="l00957"></a>00957 <span class="keywordtype">int</span> pY, pU, pV;
<a name="l00958"></a>00958
<a name="l00959"></a>00959 <span class="keywordtype">int</span> width = image->x;
<a name="l00960"></a>00960 <span class="keywordtype">int</span> height = image->y;
<a name="l00961"></a>00961
<a name="l00962"></a>00962 <span class="keywordtype">int</span> nwidth = width / factor;
<a name="l00963"></a>00963 <span class="keywordtype">int</span> nheight = height / factor;
<a name="l00964"></a>00964
<a name="l00965"></a>00965 <span class="keywordtype">int</span> offset;
<a name="l00966"></a>00966 <span class="keywordtype">int</span> startx, stepx;
<a name="l00967"></a>00967 <span class="keywordtype">int</span> starty, stepy;
<a name="l00968"></a>00968
<a name="l00969"></a>00969
<a name="l00970"></a>00970 <span class="comment">// Calculate the initial position (on Y axis)</span>
<a name="l00971"></a>00971 <span class="keywordflow">if</span> (vflip) {
<a name="l00972"></a>00972 starty = height - 2;
<a name="l00973"></a>00973 stepy = -factor;
<a name="l00974"></a>00974 }
<a name="l00975"></a>00975 <span class="keywordflow">else</span> {
<a name="l00976"></a>00976 starty = 0;
<a name="l00977"></a>00977 stepy = factor;
<a name="l00978"></a>00978 }
<a name="l00979"></a>00979
<a name="l00980"></a>00980 <span class="comment">// Calculate the initial position (on X axis)</span>
<a name="l00981"></a>00981 <span class="keywordflow">if</span> (hflip) {
<a name="l00982"></a>00982 startx = width - 1;
<a name="l00983"></a>00983 stepx = -factor;
<a name="l00984"></a>00984 offset = width - 2;
<a name="l00985"></a>00985 }
<a name="l00986"></a>00986 <span class="keywordflow">else</span> {
<a name="l00987"></a>00987 startx = 0;
<a name="l00988"></a>00988 stepx = factor;
<a name="l00989"></a>00989 offset = 1;
<a name="l00990"></a>00990 }
<a name="l00991"></a>00991
<a name="l00992"></a>00992 <span class="comment">// Background color...</span>
<a name="l00993"></a>00993 memset(yuv, 16, width * 2);
<a name="l00994"></a>00994 <span class="keywordflow">for</span> (i=0; i<width*2; i=i+2, *(yuv+i)=128);
<a name="l00995"></a>00995 <span class="keywordflow">for</span> (i=1; i<height; i++)
<a name="l00996"></a>00996 memcpy(yuv+i*width*2, yuv, width*2);
<a name="l00997"></a>00997
<a name="l00998"></a>00998 <span class="comment">// Skip the first line</span>
<a name="l00999"></a>00999 bayer += width;
<a name="l01000"></a>01000
<a name="l01001"></a>01001 <span class="comment">// To center vertically the image in the view</span>
<a name="l01002"></a>01002 yuv += ((view->y - nheight) / 2) * view->x * 2;
<a name="l01003"></a>01003
<a name="l01004"></a>01004 <span class="comment">// To center horizontally the image in the view</span>
<a name="l01005"></a>01005 yuv += ((view->x - nwidth) / 2) * 2;
<a name="l01006"></a>01006
<a name="l01007"></a>01007 <span class="comment">// Clean the first line</span>
<a name="l01008"></a>01008 memset(yuv, 16, nwidth * 2);
<a name="l01009"></a>01009 <span class="keywordflow">for</span> (i=0; i<nwidth*2; i=i+2, *(yuv+i)=128);
<a name="l01010"></a>01010 yuv += nwidth * 2;
<a name="l01011"></a>01011
<a name="l01012"></a>01012
<a name="l01013"></a>01013 <span class="comment">// For each yuv line without the borders (first and last line)</span>
<a name="l01014"></a>01014 <span class="keywordflow">for</span> (j=0, y=starty; j<nheight-2; j++, y=y+stepy) {
<a name="l01015"></a>01015 <span class="comment">// Go to the start of line</span>
<a name="l01016"></a>01016 b = bayer + y * width + offset;
<a name="l01017"></a>01017
<a name="l01018"></a>01018 <span class="comment">// Offset to center horizontally the image in the view</span>
<a name="l01019"></a>01019 yuv += (view->x - nwidth) * 2;
<a name="l01020"></a>01020
<a name="l01021"></a>01021 <span class="keywordflow">if</span> (y & 0x1) {
<a name="l01022"></a>01022 <span class="comment">// Skip the first pixel</span>
<a name="l01023"></a>01023 *yuv++ = 128;
<a name="l01024"></a>01024 *yuv++ = 16;
<a name="l01025"></a>01025
<a name="l01026"></a>01026 <span class="comment">// GBGBGB : Line process...</span>
<a name="l01027"></a>01027 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l01028"></a>01028 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l01029"></a>01029 pR = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l01030"></a>01030 pG = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l01031"></a>01031 pB = *b;
<a name="l01032"></a>01032 }
<a name="l01033"></a>01033 <span class="keywordflow">else</span> {
<a name="l01034"></a>01034 pR = (*(b-width) + *(b+width)) >> 1;
<a name="l01035"></a>01035 pG = *b;
<a name="l01036"></a>01036 pB = (*(b-1) + *(b+1)) >> 1;
<a name="l01037"></a>01037 }
<a name="l01038"></a>01038
<a name="l01039"></a>01039 pY = stk11xx_yuv_interp[pR][0] + stk11xx_yuv_interp[pG][1] + stk11xx_yuv_interp[pB][2];
<a name="l01040"></a>01040 pU = stk11xx_yuv_interp[pR][3] + stk11xx_yuv_interp[pG][4] + stk11xx_yuv_interp[pB][5];
<a name="l01041"></a>01041 pV = stk11xx_yuv_interp[pR][5] + stk11xx_yuv_interp[pG][6] + stk11xx_yuv_interp[pB][7];
<a name="l01042"></a>01042
<a name="l01043"></a>01043 pY = CLIP(pY, 0,255);
<a name="l01044"></a>01044 pU = CLIP(pU, -127,127);
<a name="l01045"></a>01045 pV = CLIP(pV, -127,127);
<a name="l01046"></a>01046
<a name="l01047"></a>01047 <span class="keywordflow">if</span> (i % 2){
<a name="l01048"></a>01048 *yuv++ = (112 * pU)/127 + 128; <span class="comment">// U</span>
<a name="l01049"></a>01049 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01050"></a>01050 }
<a name="l01051"></a>01051 <span class="keywordflow">else</span> {
<a name="l01052"></a>01052 *yuv++ = (112 * pV)/127 + 128; <span class="comment">// V</span>
<a name="l01053"></a>01053 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01054"></a>01054 }
<a name="l01055"></a>01055
<a name="l01056"></a>01056 b += stepx;
<a name="l01057"></a>01057 }
<a name="l01058"></a>01058
<a name="l01059"></a>01059 <span class="comment">// Skip the last pixel</span>
<a name="l01060"></a>01060 *yuv++ = 128;
<a name="l01061"></a>01061 *yuv++ = 16;
<a name="l01062"></a>01062 }
<a name="l01063"></a>01063 <span class="keywordflow">else</span> {
<a name="l01064"></a>01064 <span class="comment">// Skip the first pixel</span>
<a name="l01065"></a>01065 *yuv++ = 128;
<a name="l01066"></a>01066 *yuv++ = 16;
<a name="l01067"></a>01067
<a name="l01068"></a>01068 <span class="comment">// RGRGRG : Line process...</span>
<a name="l01069"></a>01069 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l01070"></a>01070 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l01071"></a>01071 pR = (*(b-1) + *(b+1)) >> 1;
<a name="l01072"></a>01072 pG = *b;
<a name="l01073"></a>01073 pB = (*(b-width) + *(b+width)) >> 1;
<a name="l01074"></a>01074 }
<a name="l01075"></a>01075 <span class="keywordflow">else</span> {
<a name="l01076"></a>01076 pR = *b;
<a name="l01077"></a>01077 pG = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l01078"></a>01078 pB = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l01079"></a>01079 }
<a name="l01080"></a>01080
<a name="l01081"></a>01081 pY = stk11xx_yuv_interp[pR][0] + stk11xx_yuv_interp[pG][1] + stk11xx_yuv_interp[pB][2];
<a name="l01082"></a>01082 pU = stk11xx_yuv_interp[pR][3] + stk11xx_yuv_interp[pG][4] + stk11xx_yuv_interp[pB][5];
<a name="l01083"></a>01083 pV = stk11xx_yuv_interp[pR][5] + stk11xx_yuv_interp[pG][6] + stk11xx_yuv_interp[pB][7];
<a name="l01084"></a>01084
<a name="l01085"></a>01085 pY = CLIP(pY, 0,255);
<a name="l01086"></a>01086 pU = CLIP(pU, -127,127);
<a name="l01087"></a>01087 pV = CLIP(pV, -127,127);
<a name="l01088"></a>01088
<a name="l01089"></a>01089 <span class="keywordflow">if</span> (i % 2){
<a name="l01090"></a>01090 *yuv++ = (112 * pU)/127 + 128; <span class="comment">// U</span>
<a name="l01091"></a>01091 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01092"></a>01092 }
<a name="l01093"></a>01093 <span class="keywordflow">else</span> {
<a name="l01094"></a>01094 *yuv++ = (112 * pV)/127 + 128; <span class="comment">// V</span>
<a name="l01095"></a>01095 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01096"></a>01096 }
<a name="l01097"></a>01097
<a name="l01098"></a>01098 b += stepx;
<a name="l01099"></a>01099 }
<a name="l01100"></a>01100
<a name="l01101"></a>01101 <span class="comment">// Skip the last pixel</span>
<a name="l01102"></a>01102 *yuv++ = 128;
<a name="l01103"></a>01103 *yuv++ = 16;
<a name="l01104"></a>01104 }
<a name="l01105"></a>01105 }
<a name="l01106"></a>01106
<a name="l01107"></a>01107 <span class="comment">// Clean the last line</span>
<a name="l01108"></a>01108 memset(yuv, 16, nwidth * 2);
<a name="l01109"></a>01109 <span class="keywordflow">for</span> (i=0; i<nwidth*2; i=i+2, *(yuv+i)=128);
<a name="l01110"></a>01110 }
<a name="l01111"></a>01111
<a name="l01112"></a>01112
<a name="l01125"></a><a class="code" href="stk11xx-bayer_8c.html#fc1e5a5cca4978b3640306f0b7166a4f">01125</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-bayer_8c.html#fc1e5a5cca4978b3640306f0b7166a4f" title="This function permits to convert an image from bayer to YUV (YUYV).">stk11xx_b2yuyv</a>(uint8_t *bayer, uint8_t *yuv,
<a name="l01126"></a>01126 <span class="keyword">struct</span> stk11xx_coord *image,
<a name="l01127"></a>01127 <span class="keyword">struct</span> stk11xx_coord *view,
<a name="l01128"></a>01128 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#16f641fad5b6a3a19b62c1486d413728">hflip</a>, <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="stk11xx-usb_8c.html#5cd2e203aadee84bf52b7c8abf5af815">vflip</a>,
<a name="l01129"></a>01129 <span class="keyword">const</span> <span class="keywordtype">int</span> factor) {
<a name="l01130"></a>01130 uint8_t *b;
<a name="l01131"></a>01131
<a name="l01132"></a>01132 <span class="keywordtype">int</span> x, y; <span class="comment">// Position in bayer image</span>
<a name="l01133"></a>01133 <span class="keywordtype">int</span> i, j; <span class="comment">// Position in yuv image</span>
<a name="l01134"></a>01134
<a name="l01135"></a>01135 <span class="keywordtype">int</span> pR, pG, pB;
<a name="l01136"></a>01136 <span class="keywordtype">int</span> pY, pU, pV;
<a name="l01137"></a>01137
<a name="l01138"></a>01138 <span class="keywordtype">int</span> width = image->x;
<a name="l01139"></a>01139 <span class="keywordtype">int</span> height = image->y;
<a name="l01140"></a>01140
<a name="l01141"></a>01141 <span class="keywordtype">int</span> nwidth = width / factor;
<a name="l01142"></a>01142 <span class="keywordtype">int</span> nheight = height / factor;
<a name="l01143"></a>01143
<a name="l01144"></a>01144 <span class="keywordtype">int</span> offset;
<a name="l01145"></a>01145 <span class="keywordtype">int</span> startx, stepx;
<a name="l01146"></a>01146 <span class="keywordtype">int</span> starty, stepy;
<a name="l01147"></a>01147
<a name="l01148"></a>01148
<a name="l01149"></a>01149 <span class="comment">// Calculate the initial position (on Y axis)</span>
<a name="l01150"></a>01150 <span class="keywordflow">if</span> (vflip) {
<a name="l01151"></a>01151 starty = height - 2;
<a name="l01152"></a>01152 stepy = -factor;
<a name="l01153"></a>01153 }
<a name="l01154"></a>01154 <span class="keywordflow">else</span> {
<a name="l01155"></a>01155 starty = 0;
<a name="l01156"></a>01156 stepy = factor;
<a name="l01157"></a>01157 }
<a name="l01158"></a>01158
<a name="l01159"></a>01159 <span class="comment">// Calculate the initial position (on X axis)</span>
<a name="l01160"></a>01160 <span class="keywordflow">if</span> (hflip) {
<a name="l01161"></a>01161 startx = width - 1;
<a name="l01162"></a>01162 stepx = -factor;
<a name="l01163"></a>01163 offset = width - 2;
<a name="l01164"></a>01164 }
<a name="l01165"></a>01165 <span class="keywordflow">else</span> {
<a name="l01166"></a>01166 startx = 0;
<a name="l01167"></a>01167 stepx = factor;
<a name="l01168"></a>01168 offset = 1;
<a name="l01169"></a>01169 }
<a name="l01170"></a>01170
<a name="l01171"></a>01171 <span class="comment">// Background color...</span>
<a name="l01172"></a>01172 memset(yuv, 128, width * 2);
<a name="l01173"></a>01173 <span class="keywordflow">for</span> (i=0; i<width*2; i=i+2, *(yuv+i)=16);
<a name="l01174"></a>01174 <span class="keywordflow">for</span> (i=1; i<height; i++)
<a name="l01175"></a>01175 memcpy(yuv+i*width*2, yuv, width*2);
<a name="l01176"></a>01176
<a name="l01177"></a>01177 <span class="comment">// Skip the first line</span>
<a name="l01178"></a>01178 bayer += width;
<a name="l01179"></a>01179
<a name="l01180"></a>01180 <span class="comment">// To center vertically the image in the view</span>
<a name="l01181"></a>01181 yuv += ((view->y - nheight) / 2) * view->x * 2;
<a name="l01182"></a>01182
<a name="l01183"></a>01183 <span class="comment">// To center horizontally the image in the view</span>
<a name="l01184"></a>01184 yuv += ((view->x - nwidth) / 2) * 2;
<a name="l01185"></a>01185
<a name="l01186"></a>01186 <span class="comment">// Clean the first line</span>
<a name="l01187"></a>01187 memset(yuv, 128, nwidth * 2);
<a name="l01188"></a>01188 <span class="keywordflow">for</span> (i=0; i<nwidth*2; i=i+2, *(yuv+i)=16);
<a name="l01189"></a>01189 yuv += nwidth * 2;
<a name="l01190"></a>01190
<a name="l01191"></a>01191
<a name="l01192"></a>01192 <span class="comment">// For each yuv line without the borders (first and last line)</span>
<a name="l01193"></a>01193 <span class="keywordflow">for</span> (j=0, y=starty; j<nheight-2; j++, y=y+stepy) {
<a name="l01194"></a>01194 <span class="comment">// Go to the start of line</span>
<a name="l01195"></a>01195 b = bayer + y * width + offset;
<a name="l01196"></a>01196
<a name="l01197"></a>01197 <span class="comment">// Offset to center horizontally the image in the view</span>
<a name="l01198"></a>01198 yuv += (view->x - nwidth) * 2;
<a name="l01199"></a>01199
<a name="l01200"></a>01200 <span class="keywordflow">if</span> (y & 0x1) {
<a name="l01201"></a>01201 <span class="comment">// Skip the first pixel</span>
<a name="l01202"></a>01202 *yuv++ = 16;
<a name="l01203"></a>01203 *yuv++ = 128;
<a name="l01204"></a>01204
<a name="l01205"></a>01205 <span class="comment">// GBGBGB : Line process...</span>
<a name="l01206"></a>01206 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l01207"></a>01207 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l01208"></a>01208 pR = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l01209"></a>01209 pG = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l01210"></a>01210 pB = *b;
<a name="l01211"></a>01211 }
<a name="l01212"></a>01212 <span class="keywordflow">else</span> {
<a name="l01213"></a>01213 pR = (*(b-width) + *(b+width)) >> 1;
<a name="l01214"></a>01214 pG = *b;
<a name="l01215"></a>01215 pB = (*(b-1) + *(b+1)) >> 1;
<a name="l01216"></a>01216 }
<a name="l01217"></a>01217
<a name="l01218"></a>01218 pY = stk11xx_yuv_interp[pR][0] + stk11xx_yuv_interp[pG][1] + stk11xx_yuv_interp[pB][2];
<a name="l01219"></a>01219 pU = stk11xx_yuv_interp[pR][3] + stk11xx_yuv_interp[pG][4] + stk11xx_yuv_interp[pB][5];
<a name="l01220"></a>01220 pV = stk11xx_yuv_interp[pR][5] + stk11xx_yuv_interp[pG][6] + stk11xx_yuv_interp[pB][7];
<a name="l01221"></a>01221
<a name="l01222"></a>01222 pY = CLIP(pY, 0,255);
<a name="l01223"></a>01223 pU = CLIP(pU, -127,127);
<a name="l01224"></a>01224 pV = CLIP(pV, -127,127);
<a name="l01225"></a>01225
<a name="l01226"></a>01226 <span class="keywordflow">if</span> (i % 2){
<a name="l01227"></a>01227 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01228"></a>01228 *yuv++ = (112 * pU)/127 + 128; <span class="comment">// U</span>
<a name="l01229"></a>01229 }
<a name="l01230"></a>01230 <span class="keywordflow">else</span> {
<a name="l01231"></a>01231 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01232"></a>01232 *yuv++ = (112 * pV)/127 + 128; <span class="comment">// V</span>
<a name="l01233"></a>01233 }
<a name="l01234"></a>01234
<a name="l01235"></a>01235 b += stepx;
<a name="l01236"></a>01236 }
<a name="l01237"></a>01237
<a name="l01238"></a>01238 <span class="comment">// Skip the last pixel</span>
<a name="l01239"></a>01239 *yuv++ = 16;
<a name="l01240"></a>01240 *yuv++ = 128;
<a name="l01241"></a>01241 }
<a name="l01242"></a>01242 <span class="keywordflow">else</span> {
<a name="l01243"></a>01243 <span class="comment">// Skip the first pixel</span>
<a name="l01244"></a>01244 *yuv++ = 16;
<a name="l01245"></a>01245 *yuv++ = 128;
<a name="l01246"></a>01246
<a name="l01247"></a>01247 <span class="comment">// RGRGRG : Line process...</span>
<a name="l01248"></a>01248 <span class="keywordflow">for</span> (i=0, x=startx; i<nwidth-2; i++, x=x+stepx) {
<a name="l01249"></a>01249 <span class="keywordflow">if</span> (x & 0x1) {
<a name="l01250"></a>01250 pR = (*(b-1) + *(b+1)) >> 1;
<a name="l01251"></a>01251 pG = *b;
<a name="l01252"></a>01252 pB = (*(b-width) + *(b+width)) >> 1;
<a name="l01253"></a>01253 }
<a name="l01254"></a>01254 <span class="keywordflow">else</span> {
<a name="l01255"></a>01255 pR = *b;
<a name="l01256"></a>01256 pG = (*(b-width) + *(b-1) + *(b+1) + *(b+width)) >> 2;
<a name="l01257"></a>01257 pB = (*(b-width-1) + *(b-width+1) + *(b+width-1) + *(b+width+1)) >> 2;
<a name="l01258"></a>01258 }
<a name="l01259"></a>01259
<a name="l01260"></a>01260 pY = stk11xx_yuv_interp[pR][0] + stk11xx_yuv_interp[pG][1] + stk11xx_yuv_interp[pB][2];
<a name="l01261"></a>01261 pU = stk11xx_yuv_interp[pR][3] + stk11xx_yuv_interp[pG][4] + stk11xx_yuv_interp[pB][5];
<a name="l01262"></a>01262 pV = stk11xx_yuv_interp[pR][5] + stk11xx_yuv_interp[pG][6] + stk11xx_yuv_interp[pB][7];
<a name="l01263"></a>01263
<a name="l01264"></a>01264 pY = CLIP(pY, 0,255);
<a name="l01265"></a>01265 pU = CLIP(pU, -127,127);
<a name="l01266"></a>01266 pV = CLIP(pV, -127,127);
<a name="l01267"></a>01267
<a name="l01268"></a>01268 <span class="keywordflow">if</span> (i % 2){
<a name="l01269"></a>01269 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01270"></a>01270 *yuv++ = (112 * pU)/127 + 128; <span class="comment">// U</span>
<a name="l01271"></a>01271 }
<a name="l01272"></a>01272 <span class="keywordflow">else</span> {
<a name="l01273"></a>01273 *yuv++ = (219 * pY)/255 + 16; <span class="comment">// Y</span>
<a name="l01274"></a>01274 *yuv++ = (112 * pV)/127 + 128; <span class="comment">// V</span>
<a name="l01275"></a>01275 }
<a name="l01276"></a>01276
<a name="l01277"></a>01277 b += stepx;
<a name="l01278"></a>01278 }
<a name="l01279"></a>01279
<a name="l01280"></a>01280 <span class="comment">// Skip the last pixel</span>
<a name="l01281"></a>01281 *yuv++ = 16;
<a name="l01282"></a>01282 *yuv++ = 128;
<a name="l01283"></a>01283 }
<a name="l01284"></a>01284 }
<a name="l01285"></a>01285
<a name="l01286"></a>01286 <span class="comment">// Clean the last line</span>
<a name="l01287"></a>01287 memset(yuv, 128, nwidth * 2);
<a name="l01288"></a>01288 <span class="keywordflow">for</span> (i=0; i<nwidth*2; i=i+2, *(yuv+i)=16);
<a name="l01289"></a>01289 }
<a name="l01290"></a>01290
<a name="l01291"></a>01291
</pre></div></div>
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