/* MIT License Copyright (c) 2024 Christian Kegel Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. */ class SSTVDecoder extends AudioWorkletProcessor { leaderToneDetected = false; sstvFormat; constructor(){ super(); } process(inputs, outputs, parameters){ //Apply the Goertzel algorithm (more performant/save battery) to idenify the VIS Header, but use FFT (for now) //Detect a mode and load appropriate parameters //Apply Goertzel algorithm to recognize sync pulses, and call `onLineRecieved` Callback with freq data //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 return true; } } registerProcessor('sstv-decoder', SSTVDecoder);