mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
235 lines
7.7 KiB
JavaScript
235 lines
7.7 KiB
JavaScript
function Stream() {
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// var self = this;
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/********************************************************************************/
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var __prev_state = false;
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var __resolution = {width: 640, height: 480};
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var __size_factor = 1;
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var __client_id = "";
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var __fps = 0;
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var __quality_timer = null;
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var __soft_fps_timer = null;
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var __init__ = function() {
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$("stream-led").title = "Stream inactive";
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$("stream-quality-slider").min = 10;
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$("stream-quality-slider").max = 100;
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$("stream-quality-slider").step = 5;
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$("stream-quality-slider").value = 80;
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$("stream-quality-slider").oninput = __setQuality;
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$("stream-quality-slider").onchange = __setQuality;
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$("stream-soft-fps-slider").min = 1;
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$("stream-soft-fps-slider").max = 30;
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$("stream-soft-fps-slider").step = 1;
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$("stream-soft-fps-slider").value = 30;
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$("stream-soft-fps-slider").oninput = __setSoftFps;
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$("stream-soft-fps-slider").onchange = __setSoftFps;
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$("stream-size-slider").min = 20;
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$("stream-size-slider").max = 200;
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$("stream-size-slider").step = 5;
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$("stream-size-slider").value = 100;
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$("stream-size-slider").oninput = () => __resize();
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$("stream-size-slider").onchange = () => __resize();
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tools.setOnClick($("stream-screenshot-button"), __clickScreenshotButton);
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tools.setOnClick($("stream-reset-button"), __clickResetButton);
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__startPoller();
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};
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/********************************************************************************/
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// XXX: In current implementation we don't need this event because Stream() has own state poller
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var __startPoller = function() {
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var http = tools.makeRequest("GET", "/streamer/ping", function() {
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if (http.readyState === 4) {
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var response = (http.status === 200 ? JSON.parse(http.responseText) : null);
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if (http.status !== 200) {
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tools.info("Stream: refreshing ...");
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$("stream-image").className = "stream-image-inactive";
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$("stream-box").classList.add("stream-box-inactive");
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$("stream-led").className = "led-gray";
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$("stream-led").title = "Stream inactive";
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$("stream-screenshot-button").disabled = true;
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$("stream-quality-slider").disabled = true;
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$("stream-soft-fps-slider").disabled = true;
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$("stream-reset-button").disabled = true;
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__updateStreamHeader(false);
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__fps = 0;
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__prev_state = false;
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} else if (http.status === 200) {
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if ($("stream-quality-slider").value !== response.source.quality && !__quality_timer) {
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$("stream-quality-slider").value = response.source.quality;
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$("stream-quality-value").innerHTML = response.source.quality + "%";
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}
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if ($("stream-soft-fps-slider").value !== response.source.soft_fps && !__soft_fps_timer) {
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$("stream-soft-fps-slider").value = response.source.soft_fps;
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$("stream-soft-fps-value").innerHTML = response.source.soft_fps;
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}
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if (__resolution.width !== response.source.resolution.width || __resolution.height !== response.source.resolution.height) {
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__resolution = response.source.resolution;
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if ($("stream-auto-resize-checkbox").checked) {
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__adjustSizeFactor();
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} else {
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__applySizeFactor();
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}
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}
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var client_id = tools.getCookie("stream_client_id");
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if (client_id) {
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__client_id = client_id;
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}
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if (response.stream.clients_stat.hasOwnProperty(__client_id)) {
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__fps = response.stream.clients_stat[__client_id].fps;
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} else {
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__fps = 0;
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}
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__updateStreamHeader(true);
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if (!__prev_state) {
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var path = "/streamer/stream?t=" + new Date().getTime();
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if (tools.browser.is_chrome || tools.browser.is_blink) {
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// uStreamer fix for Blink https://bugs.chromium.org/p/chromium/issues/detail?id=527446
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tools.info("Stream: using advance_headers=1 to fix Blink MJPG bugs");
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path += "&advance_headers=1";
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} else if (tools.browser.is_safari || tools.browser.is_ios) {
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// uStreamer fix for WebKit
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tools.info("Stream: using dual_final_frames=1 to fix WebKit MJPG bugs");
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path += "&dual_final_frames=1";
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}
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$("stream-image").src = path;
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$("stream-image").className = "stream-image-active";
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$("stream-box").classList.remove("stream-box-inactive");
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$("stream-led").className = "led-green";
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$("stream-led").title = "Stream is active";
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$("stream-screenshot-button").disabled = false;
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$("stream-quality-slider").disabled = false;
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$("stream-soft-fps-slider").disabled = false;
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$("stream-reset-button").disabled = false;
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__prev_state = true;
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tools.info("Stream: acquired");
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}
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}
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}
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});
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setTimeout(__startPoller, 1000);
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};
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var __updateStreamHeader = function(online) {
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var el_grab = document.querySelector("#stream-window-header .window-grab");
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var el_info = $("stream-info");
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if (online) {
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el_grab.innerHTML = el_info.innerHTML = "Stream – " + __resolution.width + "x" + __resolution.height + " / " + __fps + " fps";
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} else {
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el_grab.innerHTML = el_info.innerHTML = "Stream – offline";
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}
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};
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var __clickScreenshotButton = function() {
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var el_a = document.createElement("a");
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el_a.href = "/streamer/snapshot";
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el_a.target = "_blank";
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document.body.appendChild(el_a);
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el_a.click();
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setTimeout(() => document.body.removeChild(el_a), 0);
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};
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var __clickResetButton = function() {
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$("stream-reset-button").disabled = true;
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var http = tools.makeRequest("POST", "/kvmd/streamer/reset", function() {
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if (http.readyState === 4) {
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if (http.status !== 200) {
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ui.error("Can't reset stream:<br>", http.responseText);
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}
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}
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});
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};
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var __setQuality = function() {
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var quality = $("stream-quality-slider").value;
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$("stream-quality-value").innerHTML = quality + "%";
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if (__quality_timer) {
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clearTimeout(__quality_timer);
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}
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__quality_timer = setTimeout(function() {
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$("stream-quality-slider").disabled = true;
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var http = tools.makeRequest("POST", "/kvmd/streamer/set_params?quality=" + quality, function() {
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if (http.readyState === 4) {
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if (http.status !== 200) {
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ui.error("Can't configure stream:<br>", http.responseText);
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}
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__quality_timer = null;
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}
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});
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}, 1000);
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};
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var __setSoftFps = function() {
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var soft_fps = $("stream-soft-fps-slider").value;
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$("stream-soft-fps-value").innerHTML = soft_fps;
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if (__soft_fps_timer) {
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clearTimeout(__soft_fps_timer);
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}
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__soft_fps_timer = setTimeout(function() {
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$("stream-soft-fps-slider").disabled = true;
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var http = tools.makeRequest("POST", "/kvmd/streamer/set_params?soft_fps=" + soft_fps, function() {
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if (http.readyState === 4) {
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if (http.status !== 200) {
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ui.error("Can't configure stream:<br>", http.responseText);
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}
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__soft_fps_timer = null;
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}
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});
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}, 1000);
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};
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var __resize = function(center=false) {
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var size = $("stream-size-slider").value;
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$("stream-size-value").innerHTML = size + "%";
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__size_factor = size / 100;
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__applySizeFactor(center);
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};
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var __adjustSizeFactor = function() {
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var el_window = $("stream-window");
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var el_slider = $("stream-size-slider");
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var view = ui.getViewGeometry();
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for (var size = 100; size >= el_slider.min; size -= el_slider.step) {
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tools.info("Stream: adjusting size:", size);
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$("stream-size-slider").value = size;
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__resize(true);
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var rect = el_window.getBoundingClientRect();
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if (
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rect.bottom <= view.bottom
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&& rect.top >= view.top
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&& rect.left >= view.left
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&& rect.right <= view.right
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) {
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break;
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}
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}
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};
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var __applySizeFactor = function(center=false) {
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var el_stream_image = $("stream-image");
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el_stream_image.style.width = __resolution.width * __size_factor + "px";
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el_stream_image.style.height = __resolution.height * __size_factor + "px";
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ui.showWindow($("stream-window"), false, center);
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};
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__init__();
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}
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