janus js part

This commit is contained in:
Devaev Maxim 2021-05-19 02:33:35 +03:00
parent 416e093967
commit 21ecc244c0

View File

@ -30,12 +30,19 @@ import {wm} from "../wm.js";
var _Janus = null;
/*function _JanusStreamer(set_active_callback, set_inactive_callback, set_info_callback) {
function _JanusStreamer(set_active_callback, set_inactive_callback, set_info_callback) {
var self = this;
var __stop = false;
var __ensuring = false;
var __janus = null;
var __handle = null;
var __bitrate_timer = null;
var __retry_timeout = null;
var __info_interval = null;
var __state = null;
self.getResolution = function() {
let el_video = $("stream-video");
@ -46,7 +53,192 @@ var _Janus = null;
view_height: el_video.offsetHeight,
};
};
};*/
self.ensureStream = function(state) {
__state = state;
__stop = false;
__ensureJanus(false);
};
self.stopStream = function() {
__stop = true;
__destroyJanus();
};
var __ensureJanus = function(internal) {
if (__janus === null && !__stop && (!__ensuring || internal)) {
set_inactive_callback();
set_info_callback(false, false, "");
__ensuring = true;
__logInfo("Starting Janus ...");
__janus = new _Janus({
server: `${tools.https ? "wss" : "ws"}://${location.host}/janus/ws`,
destroyOnUnload: false,
success: __attachJanus,
error: function(error) { __logError(error); __finishJanus(); },
});
}
};
var __finishJanus = function() {
if (__stop) {
if (__retry_timeout !== null) {
clearTimeout(__retry_timeout);
__retry_timeout = null;
}
__ensuring = false;
} else {
if (__retry_timeout === null) {
__retry_timeout = setTimeout(function() {
__retry_timeout = null;
__ensureJanus(true);
}, 5000);
}
}
__stopInfoInterval();
__handle = null;
__janus = null;
set_inactive_callback();
set_info_callback(false, false, "");
};
var __destroyJanus = function() {
if (__janus !== null) {
__janus.destroy();
}
__finishJanus();
};
var __attachJanus = function() {
if (__janus === null) {
return;
}
__janus.attach({
plugin: "janus.plugin.ustreamer",
oid: "oid-" + _Janus.randomString(12),
success: function(handle) {
__handle = handle;
__logInfo("uStreamer attached:", handle.getPlugin(), handle.getId());
__sendWatch();
},
error: function(error) {
__logError("Can't attach uStreamer: ", error);
__destroyJanus();
},
iceState: function(state) {
__logInfo("ICE state changed to", state);
// Если раскомментировать, то он начнет дрючить соединение,
// так как каллбек вызывает сильно после завершения работы
/*if (state === "disconnected") {
__destroyJanus();
}*/
},
webrtcState: function(up) {
__logInfo("Janus says our WebRTC PeerConnection is", (up ? "up" : "down"), "now");
},
onmessage: function(msg, jsep) {
if (msg.result) {
__logInfo("Got Janus message:", msg.result.status); // starting, started, stopped
if (msg.result.status === "started") {
set_active_callback();
} else if (msg.result.status === "stopped") {
set_inactive_callback();
set_info_callback(false, false, "");
}
} else if (msg.error) {
__logError("Got janus error:", msg.error);
__sendStop();
__sendWatch();
return;
} else {
__logInfo("Got Janus message:", msg);
}
if (jsep) {
__logInfo("Handling SDP:", jsep);
__handle.createAnswer({
jsep: jsep,
media: {audioSend: false, videoSend: false, data: false},
success: function(jsep) {
__logInfo("Got SDP:", jsep);
__sendStart(jsep);
},
error: function(error) {
__logInfo("Error on SDP handling:", error);
//__destroyJanus();
},
});
}
},
onremotestream: function(stream) {
__logInfo("Got a remote stream:", stream);
_Janus.attachMediaStream($("stream-video"), stream);
__startInfoInterval();
},
oncleanup: function() {
__logInfo("Got a cleanup notification");
__stopInfoInterval();
},
});
};
var __startInfoInterval = function() {
__stopInfoInterval();
set_active_callback();
__updateInfo();
__info_interval = setInterval(__updateInfo, 1000);
};
var __stopInfoInterval = function() {
if (__info_interval !== null) {
clearInterval(__info_interval);
}
__info_interval = null;
};
var __updateInfo = function() {
if (__handle !== null) {
let online = !!(__state && __state.source && __state.source.online);
let bitrate = (__handle !== null ? __handle.getBitrate() : "");
set_info_callback(true, online, bitrate);
}
};
var __sendWatch = function() {
if (__handle) {
__logInfo("Sending WATCH ...");
__handle.send({message: {request: "watch"}});
}
};
var __sendStart = function(jsep) {
if (__handle) {
__logInfo("Sending START ...");
__handle.send({message: {request: "start"}, jsep: jsep});
}
};
var __sendStop = function() {
__stopInfoInterval();
if (__handle) {
__logInfo("Sending STOP ...");
__handle.send({message: {request: "stop"}});
__handle.hangup();
}
};
var __logInfo = (...args) => tools.info("Stream [Janus]:", ...args);
var __logError = (...args) => tools.error("Stream [Janus]:", ...args);
}
function _MjpegStreamer(set_active_callback, set_inactive_callback, set_info_callback) {
var self = this;
@ -101,7 +293,7 @@ function _MjpegStreamer(set_active_callback, set_inactive_callback, set_info_cal
let old_fps = __fps;
__fps = __state.stream.clients_stat[__id].fps;
if (old_fps < 0) {
tools.info("Stream [MJPEG]: Active");
__logInfo("Active");
set_active_callback();
}
set_info_callback(true, __state.source.online, `${__fps} fps`);
@ -114,7 +306,7 @@ function _MjpegStreamer(set_active_callback, set_inactive_callback, set_info_cal
__fps = -1;
__state = null;
if (old_fps >= 0) {
tools.info("Stream [MJPEG]: Inactive");
__logInfo("Inactive");
set_inactive_callback();
set_info_callback(false, false, "");
}
@ -138,7 +330,7 @@ function _MjpegStreamer(set_active_callback, set_inactive_callback, set_info_cal
var __findId = function() {
let stream_client = tools.getCookie("stream_client");
if (__id.length === 0 && stream_client && stream_client.startsWith(__key + "/")) {
tools.info("Stream [MJPEG]: Found acceptable stream_client cookie:", stream_client);
__logInfo("Found acceptable stream_client cookie:", stream_client);
__id = stream_client.slice(stream_client.indexOf("/") + 1);
}
};
@ -160,18 +352,20 @@ function _MjpegStreamer(set_active_callback, set_inactive_callback, set_info_cal
let path = `/streamer/stream?key=${__key}`;
if (tools.browser.is_safari || tools.browser.is_ios) {
// uStreamer fix for WebKit
tools.info("Stream [MJPEG]: Using dual_final_frames=1 to fix WebKit bugs");
__logInfo("Using dual_final_frames=1 to fix WebKit bugs");
path += "&dual_final_frames=1";
} else if (tools.browser.is_chrome || tools.browser.is_blink) {
// uStreamer fix for Blink https://bugs.chromium.org/p/chromium/issues/detail?id=527446
tools.info("Stream [MJPEG]: Using advance_headers=1 to fix Blink bugs");
__logInfo("Using advance_headers=1 to fix Blink bugs");
path += "&advance_headers=1";
}
tools.info("Stream [MJPEG]: Refreshing ...");
__logInfo("Refreshing ...");
$("stream-image").src = path;
}
};
var __logInfo = (...args) => tools.info("Stream [MJPEG]:", ...args);
}
export function Streamer() {
@ -180,13 +374,15 @@ export function Streamer() {
/************************************************************************/
var __janus_enabled = null;
var __mjpeg = null;
var __streamer = null;
var __state = null;
var __resolution = {width: 640, height: 480};
var __init__ = function() {
__mjpeg = new _MjpegStreamer(__setActive, __setInactive, __setInfo);
__streamer = new _MjpegStreamer(__setActive, __setInactive, __setInfo);
// tools.hiddenSetVisible($("stream-image"), false); // FIXME
// tools.hiddenSetVisible($("stream-video"), true);
$("stream-led").title = "Stream inactive";
@ -198,6 +394,8 @@ export function Streamer() {
$("stream-resolution-selector").onchange = (() => __sendParam("resolution", $("stream-resolution-selector").value));
tools.radioSetOnClick("stream-mode-radio", __clickModeRadio);
tools.setOnClick($("stream-screenshot-button"), __clickScreenshotButton);
tools.setOnClick($("stream-reset-button"), __clickResetButton);
@ -208,7 +406,7 @@ export function Streamer() {
/************************************************************************/
self.getResolution = function() {
return __mjpeg.getResolution();
return __streamer.getResolution();
};
self.setJanusEnabled = function(enabled) {
@ -222,10 +420,15 @@ export function Streamer() {
if (enabled && supported) {
if (_Janus === null) {
import("./janus.js").then((module) => {
module.Janus.init({
debug: "all",
callback: function() {
_Janus = module.Janus;
set_enabled();
},
});
}).catch((err) => {
tools.error("Can't import Janus module:", err);
tools.error("Stream: Can't import Janus module:", err);
set_enabled();
});
} else {
@ -249,15 +452,12 @@ export function Streamer() {
tools.featureSetEnabled($("stream-resolution"), state.features.resolution);
if (state.streamer) {
if (!$("stream-quality-slider").activated) {
wm.setElementEnabled($("stream-quality-slider"), true);
if ($("stream-quality-slider").value !== state.streamer.encoder.quality) {
$("stream-quality-slider").value = state.streamer.encoder.quality;
__updateQualityValue(state.streamer.encoder.quality);
}
}
if (!$("stream-desired-fps-slider").activated) {
$("stream-desired-fps-slider").min = state.limits.desired_fps.min;
$("stream-desired-fps-slider").max = state.limits.desired_fps.max;
wm.setElementEnabled($("stream-desired-fps-slider"), true);
@ -265,7 +465,6 @@ export function Streamer() {
$("stream-desired-fps-slider").value = state.streamer.source.desired_fps;
__updateDesiredFpsValue(state.streamer.source.desired_fps);
}
}
let resolution_str = __makeStringResolution(state.streamer.source.resolution);
if (__makeStringResolution(__resolution) !== resolution_str) {
@ -287,12 +486,17 @@ export function Streamer() {
document.querySelector(`#stream-resolution-selector [value="${resolution_str}"]`).selected = true;
wm.setElementEnabled($("stream-resolution-selector"), true);
}
}
__mjpeg.ensureStream(state.streamer);
} else {
__mjpeg.stopStream();
wm.setElementEnabled($("stream-quality-slider"), false);
wm.setElementEnabled($("stream-desired-fps-slider"), false);
wm.setElementEnabled($("stream-resolution-selector"), false);
}
__streamer.ensureStream(state.streamer);
} else {
__streamer.stopStream();
}
};
@ -301,8 +505,6 @@ export function Streamer() {
$("stream-led").title = "Stream is active";
wm.setElementEnabled($("stream-screenshot-button"), true);
wm.setElementEnabled($("stream-reset-button"), true);
$("stream-quality-slider").activated = false;
$("stream-desired-fps-slider").activated = false;
};
var __setInactive = function() {
@ -310,9 +512,6 @@ export function Streamer() {
$("stream-led").title = "Stream inactive";
wm.setElementEnabled($("stream-screenshot-button"), false);
wm.setElementEnabled($("stream-reset-button"), false);
wm.setElementEnabled($("stream-quality-slider"), false);
wm.setElementEnabled($("stream-desired-fps-slider"), false);
wm.setElementEnabled($("stream-resolution-selector"), false);
};
var __setInfo = function(is_active, online, text) {
@ -342,6 +541,25 @@ export function Streamer() {
$("stream-desired-fps-value").innerHTML = (value === 0 ? "Unlimited" : value);
};
var __clickModeRadio = function() {
if (_Janus !== null) {
let mode = tools.radioGetValue("stream-mode-radio");
setTimeout(() => tools.radioSetValue("stream-mode-radio", mode), 100);
tools.hiddenSetVisible($("stream-image"), (mode === "mjpeg"));
tools.hiddenSetVisible($("stream-video"), (mode !== "mjpeg"));
if (mode === "mjpeg") {
__streamer.stopStream();
__streamer = new _MjpegStreamer(__setActive, __setInactive, __setInfo);
} else { // janus
__streamer.stopStream();
__streamer = new _JanusStreamer(__setActive, __setInactive, __setInfo);
}
if (wm.isWindowVisible($("stream-window"))) {
__streamer.ensureStream(__state);
}
}
};
var __clickScreenshotButton = function() {
let el_a = document.createElement("a");
el_a.href = "/api/streamer/snapshot?allow_offline=1";
@ -354,6 +572,11 @@ export function Streamer() {
var __clickResetButton = function() {
wm.confirm("Are you sure you want to reset stream?").then(function (ok) {
if (ok) {
if (wm.isWindowVisible($("stream-window"))) {
__streamer.stopStream();
__streamer.ensureStream(__state);
}
let http = tools.makeRequest("POST", "/api/streamer/reset", function() {
if (http.readyState === 4) {
if (http.status !== 200) {