<html><head><title>Blinker - Filter</title></head><body><h1>Blinker - Filter</h1><p>The filter module filters the frames of the input stream based on theirformat.It passes all frames matching the filter criteria unmodified.Frames not matching the filter criteria are translated to no frameat the output.</p><p>There are different filter criteria that can be active or not. If acriteria file is not present, it does not affect the filtering. A frameis only forwarded if it passes all criteria. If no criteria are specifiedall frames are passed.</p><h2>Configuration</h2><p>The configuration of the filter module with name <code>NAME</code>is located in the <code>filters/NAME</code> subdirectory.</p><h3>Input Stream</h3><p>The file <code>instream</code> contains the name of the stream toreceive.The frames received from this stream are filtered and passed to theoutput stream.</p><h3>Format</h3><p>The file <code>format</code> describes the required format of thestream, i.e. its dimensions, the number of channels and the color depthon each channel.If present, the file must contain a string<code><width>x<height>-<channels>/<colors></code>,e.g. <code>18x8-1/256</code> for 18 pixels width, 8 pixels heightin 256 grayscales.</p><h3>Size</h3><p>The file <code>size</code> describes the required size of thestream, i.e. its dimensions.If present, the file must contain a string<code><width>x<height></code>,e.g. <code>18x8</code> for 18 pixels width, 8 pixels height.</p><h3>Minimum and Maximum Files</h3><p>