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improve waterfall auto-adjust for SDRs with oversampling

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This commit is contained in:
Jakob Ketterl 2020-03-25 21:50:22 +01:00
parent a7345bb16f
commit 25755d09dd
1 changed files with 5 additions and 2 deletions
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7
htdocs/openwebrx.js
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@ -1447,8 +1447,11 @@ var waterfall_measure_minmax_min = 1e100;
var waterfall_measure_minmax_max = -1e100;
function waterfall_measure_minmax_do(what) {
waterfall_measure_minmax_min = Math.min(waterfall_measure_minmax_min, Math.min.apply(Math, what));
waterfall_measure_minmax_max = Math.max(waterfall_measure_minmax_max, Math.max.apply(Math, what));
// this is based on an oversampling factor of about 1,25
var ignored = .1 * what.length;
var data = what.slice(ignored, -ignored);
waterfall_measure_minmax_min = Math.min(waterfall_measure_minmax_min, Math.min.apply(Math, data));
waterfall_measure_minmax_max = Math.max(waterfall_measure_minmax_max, Math.max.apply(Math, data));
}
function on_ws_opened() {