32 lines
751 B
C
32 lines
751 B
C
#include "quickdebayer.h"
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// Fast but bad debayer method that scales and rotates by skipping source pixels and
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// doesn't interpolate any values at all
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void
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quick_debayer_bggr8(const uint8_t *source, uint8_t *destination, int width, int height, int skip)
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{
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int byteskip = 2 * skip;
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int input_size = width * height;
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int output_size = (width/byteskip) * (height/byteskip);
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int i;
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int j=0;
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int row_left = width;
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// B G
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// G R
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for(i=0;i<input_size;) {
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destination[j++] = source[i+width+1];
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destination[j++] = source[i+1];
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destination[j++] = source[i];
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i = i + byteskip;
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row_left = row_left - byteskip;
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if(row_left < byteskip){
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i = i + row_left;
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row_left = width;
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i = i + width;
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i = i + (width * 2 * (skip-1));
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}
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}
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}
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