mirror of
https://github.com/mofeng-git/One-KVM.git
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250 lines
9.4 KiB
JavaScript
250 lines
9.4 KiB
JavaScript
/*****************************************************************************
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018-2021 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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"use strict";
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import {tools, $} from "../tools.js";
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import {wm} from "../wm.js";
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export function Streamer() {
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var self = this;
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/************************************************************************/
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var __resolution = {width: 640, height: 480};
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var __mjpeg_key = tools.makeId();
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var __mjpeg_id = "";
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var __mjpeg_fps = -1;
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var __state_for_invisible = null;
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var __init__ = function() {
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$("stream-led").title = "Stream inactive";
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tools.sliderSetParams($("stream-quality-slider"), 5, 100, 5, 80);
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tools.sliderSetOnUp($("stream-quality-slider"), 1000, __updateQualityValue, (value) => __sendParam("quality", value));
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tools.sliderSetParams($("stream-desired-fps-slider"), 0, 120, 1, 0);
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tools.sliderSetOnUp($("stream-desired-fps-slider"), 1000, __updateDesiredFpsValue, (value) => __sendParam("desired_fps", value));
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$("stream-resolution-selector").onchange = (() => __sendParam("resolution", $("stream-resolution-selector").value));
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tools.setOnClick($("stream-screenshot-button"), __clickScreenshotButton);
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tools.setOnClick($("stream-reset-button"), __clickResetButton);
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$("stream-window").show_hook = function() {
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if (__state_for_invisible !== null) {
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self.setState(__state_for_invisible);
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}
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};
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};
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/************************************************************************/
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self.setState = function(state) {
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if (!wm.isWindowVisible($("stream-window"))) {
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if (__state_for_invisible === null) {
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$("stream-image").src = "/share/png/blank-stream.png";
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$("stream-box").classList.add("stream-box-inactive");
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}
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__state_for_invisible = state;
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state = null;
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} else {
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__state_for_invisible = null;
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}
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if (state) {
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tools.featureSetEnabled($("stream-quality"), state.features.quality && (state.streamer === null || state.streamer.encoder.quality > 0));
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tools.featureSetEnabled($("stream-resolution"), state.features.resolution);
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}
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if (state && state.streamer) {
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if (!$("stream-quality-slider").activated) {
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wm.setElementEnabled($("stream-quality-slider"), true);
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if ($("stream-quality-slider").value !== state.streamer.encoder.quality) {
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$("stream-quality-slider").value = state.streamer.encoder.quality;
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__updateQualityValue(state.streamer.encoder.quality);
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}
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}
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if (!$("stream-desired-fps-slider").activated) {
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$("stream-desired-fps-slider").min = state.limits.desired_fps.min;
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$("stream-desired-fps-slider").max = state.limits.desired_fps.max;
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wm.setElementEnabled($("stream-desired-fps-slider"), true);
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if ($("stream-desired-fps-slider").value !== state.streamer.source.desired_fps) {
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$("stream-desired-fps-slider").value = state.streamer.source.desired_fps;
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__updateDesiredFpsValue(state.streamer.source.desired_fps);
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}
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}
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let resolution_str = __makeStringResolution(state.streamer.source.resolution);
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if (__makeStringResolution(__resolution) !== resolution_str) {
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__resolution = state.streamer.source.resolution;
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}
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if (state.features.resolution) {
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if ($("stream-resolution-selector").resolutions !== state.limits.available_resolutions) {
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let resolutions_html = "";
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for (let variant of state.limits.available_resolutions) {
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resolutions_html += `<option value="${variant}">${variant}</option>`;
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}
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if (!state.limits.available_resolutions.includes(resolution_str)) {
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resolutions_html += `<option value="${resolution_str}">${resolution_str}</option>`;
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}
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$("stream-resolution-selector").innerHTML = resolutions_html;
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$("stream-resolution-selector").resolutions = state.limits.available_resolutions;
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}
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document.querySelector(`#stream-resolution-selector [value="${resolution_str}"]`).selected = true;
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wm.setElementEnabled($("stream-resolution-selector"), true);
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}
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if (__ensureMjpegStream(state.streamer.stream.clients_stat)) {
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$("stream-led").className = "led-green";
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$("stream-led").title = "Stream is active";
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wm.setElementEnabled($("stream-screenshot-button"), true);
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wm.setElementEnabled($("stream-reset-button"), true);
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$("stream-quality-slider").activated = false;
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$("stream-desired-fps-slider").activated = false;
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tools.info("Stream [MJPEG]: active");
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}
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__updateStreamWindow(true, state.streamer.source.online);
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} else {
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if ($("stream-led").className !== "led-gray") { // Чтобы не дублировать логи, когда окно стрима закрыто
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tools.info("Stream: inactive");
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}
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$("stream-led").className = "led-gray";
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$("stream-led").title = "Stream inactive";
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wm.setElementEnabled($("stream-screenshot-button"), false);
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wm.setElementEnabled($("stream-reset-button"), false);
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wm.setElementEnabled($("stream-quality-slider"), false);
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wm.setElementEnabled($("stream-desired-fps-slider"), false);
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wm.setElementEnabled($("stream-resolution-selector"), false);
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__updateStreamWindow(false, false);
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}
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};
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var __ensureMjpegStream = function(clients_stat) {
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let stream_client = tools.getCookie("stream_client");
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if (!__mjpeg_id && stream_client && stream_client.startsWith(__mjpeg_key + "/")) {
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tools.info("Stream [MJPEG]: found acceptable stream_client cookie:", stream_client);
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__mjpeg_id = stream_client.slice(stream_client.indexOf("/") + 1);
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}
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if (__mjpeg_id && __mjpeg_id in clients_stat) {
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__mjpeg_fps = clients_stat[__mjpeg_id].fps;
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return false;
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} else {
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__mjpeg_key = tools.makeId();
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__mjpeg_id = "";
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__mjpeg_fps = -1;
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let path = `/streamer/stream?key=${__mjpeg_key}`;
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if (tools.browser.is_safari || tools.browser.is_ios) {
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// uStreamer fix for WebKit
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tools.info("Stream [MJPEG]: using dual_final_frames=1 to fix WebKit bugs");
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path += "&dual_final_frames=1";
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} else if (tools.browser.is_chrome || tools.browser.is_blink) {
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// uStreamer fix for Blink https://bugs.chromium.org/p/chromium/issues/detail?id=527446
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tools.info("Stream [MJPEG]: using advance_headers=1 to fix Blink bugs");
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path += "&advance_headers=1";
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}
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tools.info("Stream [MJPEG]: refreshing ...");
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$("stream-image").src = path;
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return true;
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}
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};
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var __updateStreamWindow = function(is_active, online) {
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$("stream-box").classList.toggle("stream-box-inactive", !online);
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let el_grab = document.querySelector("#stream-window-header .window-grab");
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let el_info = $("stream-info");
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if (is_active) {
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let title = "Stream – ";
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if (!online) {
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title += "no signal / ";
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}
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title += __makeStringResolution(__resolution);
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if (__mjpeg_fps >= 0) {
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title += ` / ${__mjpeg_fps} fps`;
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}
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el_grab.innerHTML = el_info.innerHTML = title;
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} else {
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el_grab.innerHTML = el_info.innerHTML = "Stream – inactive";
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}
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};
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var __updateQualityValue = function(value) {
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$("stream-quality-value").innerHTML = `${value}%`;
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};
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var __updateDesiredFpsValue = function(value) {
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$("stream-desired-fps-value").innerHTML = (value === 0 ? "Unlimited" : value);
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};
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var __clickScreenshotButton = function() {
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let el_a = document.createElement("a");
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el_a.href = "/api/streamer/snapshot?allow_offline=1";
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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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wm.confirm("Are you sure you want to reset stream?").then(function (ok) {
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if (ok) {
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let http = tools.makeRequest("POST", "/api/streamer/reset", function() {
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if (http.readyState === 4) {
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if (http.status !== 200) {
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wm.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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});
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};
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var __sendParam = function(name, value) {
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let http = tools.makeRequest("POST", `/api/streamer/set_params?${name}=${value}`, function() {
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if (http.readyState === 4) {
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if (http.status !== 200) {
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wm.error("Can't configure 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 __makeStringResolution = function(resolution) {
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return `${resolution.width}x${resolution.height}`;
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};
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__init__();
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}
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