mirror of
https://github.com/CKegel/Web-SSTV.git
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35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
/*
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MIT License
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Copyright (c) 2024 Christian Kegel
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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*/
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class SSTVDecoder extends AudioWorkletProcessor {
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leaderToneDetected = false;
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sstvFormat;
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constructor(){
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super();
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}
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process(inputs, outputs, parameters){
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//Apply the Goertzel algorithm (more performant/save battery) to idenify the VIS Header, but use FFT (for now)
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//Detect a mode and load appropriate parameters
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//Apply Goertzel algorithm to recognize sync pulses, and call `onLineRecieved` Callback with freq data
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//Note: We don't have to live decode the freq data, just collect it between sync pulses and measure the time to see if we missed a sync
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return true;
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}
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}
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registerProcessor('sstv-decoder', SSTVDecoder); |