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base: perelman:834031dca7a1472efc046a25c12753f749748f33
Branches Tags
perelman:master
perelman:feature/serverless
perelman:feature/qrgen
perelman:feature/data-first
perelman:feature/single-offer
perelman:blog-initial
..
compare: perelman:131c9b3bf180c9f0bd9550c484083a7cb2473278
Branches Tags
perelman:master
perelman:feature/serverless
perelman:feature/qrgen
perelman:feature/data-first
perelman:feature/single-offer
perelman:blog-initial

3 Commits
834031dca7 ... 131c9b3bf1

Author SHA1 Message Date
Daniel Perelman
131c9b3bf1 Merge branch 'feature/serverless' 2020-06-01 23:18:27 -07:00
Daniel Perelman
90565985ae Add QR code scanning support to serverless mode. 2020-06-01 23:16:37 -07:00
Daniel Perelman
4f3ae7abd6 Initial support for serverless mode via copy and pasting offer. 2020-06-01 21:07:26 -07:00
15 changed files with 504 additions and 19 deletions
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9
.gitmodules vendored Normal file
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@ -0,0 +1,9 @@
[submodule "external/LZMA-JS"]
path = external/LZMA-JS
url = https://github.com/LZMA-JS/LZMA-JS.git
[submodule "external/base64.js"]
path = external/base64.js
url = https://gist.github.com/72c423f727d395eeaa09697058238727.git
[submodule "external/qr-scanner"]
path = external/qr-scanner
url = https://github.com/nimiq/qr-scanner.git

1
camera/static/js/base64.js Symbolic link
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@ -0,0 +1 @@
../../../external/base64.js/base64.js

1
camera/static/js/lzma_worker.js Symbolic link
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@ -0,0 +1 @@
../../../external/LZMA-JS/src/lzma_worker.js

175
camera/static/js/prefix Normal file
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@ -0,0 +1,175 @@
{"description":{"type":"answer","sdp":"v=0
o=- 0 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE 0
a=msid-semantic: WMS
m=audio 9 UDP/TLS/RTP/SAVPF 109 9 0 8 101
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:0 1 udp 0 a.local 0 typ host generation 0 network-cost 999
a=ice-ufrag:
a=ice-pwd:
a=ice-options:trickle
a=fingerprint:sha-256 000:01:12:23:34:45:56:67:78:89:9A:AB:BC:CD:DE:EF:F0:02:03:04:05:06:07:08:09:0A:0B:0C:0D:0E:0F
a=setup:active
a=mid:0
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=recvonly
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=fmtp:109 minptime=10;useinbandfec=1
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
"}}
{"description":{"type":"offer","sdp":"v=0
o=mozilla...THIS_IS_SDPARTA-68.8.1 0 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 0:10:11:12:13:14:15:16:17:18:19:1A:1B:1C:1D:1E:1F:20:21:22:23:24:25:26:27:28:29:2A:2B:2C:2D
a=group:BUNDLE 0
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 40000 UDP/TLS/RTP/SAVPF 109 9 0 8 101
c=IN IP4 192.168.0.0
a=candidate:0 1 UDP 2100000000 192.168.0.0 40000 typ host
a=candidate:1 1 UDP 2100000000 ::1 40000 typ host
a=candidate:2 1 TCP 2100000000 192.168.0.0 40000 typ host tcptype passive
a=candidate:2 1 TCP 2100000000 192.168.0.0 9 typ host tcptype active
a=candidate:3 1 TCP 2100000000 ::1 40000 typ host tcptype passive
a=candidate:3 1 TCP 2100000000 ::1 9 typ host tcptype active
a=candidate:0 2 UDP 2100000000 192.168.0.0 40000 typ host
a=candidate:1 2 UDP 2100000000 ::1 40000 typ host
a=candidate:2 2 TCP 2100000000 192.168.0.0 40000 typ host tcptype passive
a=candidate:2 2 TCP 2100000000 192.168.0.0 9 typ host tcptype active
a=candidate:3 2 TCP 2100000000 ::1 40000 typ host tcptype passive
a=candidate:3 2 TCP 2100000000 ::1 9 typ host tcptype active
a=sendrecv
a=end-of-candidates
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2/recvonly urn:ietf:params:rtp-hdrext:csrc-audio-level
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=fmtp:109 maxplaybackrate=48000;stereo=1;useinbandfec=1
a=fmtp:101 0-15
a=ice-pwd:
a=ice-ufrag:
a=mid:0
a=msid:{}
a=rtcp:40000 IN IP4 192.168.0.0
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=rtpmap:9 G722/8000/1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=setup:actpass
a=ssrc:0 cname:{}
"}}
{"description":{"type":"answer","sdp":"v=0
o=- 0 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE 0
a=msid-semantic: WMS
m=video 9 UDP/TLS/RTP/SAVPF 120 121
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:0 1 udp 2100000000 abc.local 40000 typ host generation 0 network-cost 999
a=ice-ufrag:
a=ice-pwd:
a=ice-options:trickle
a=fingerprint:sha-256 0:2E:2F:30:31:32:33:34:35:36:37:38:39:3A:3B:3C:3D:3E:3F:40:41:42:43:44:45:46:47:48:49:4A:4B
a=setup:active
a=mid:0
a=extmap:5 urn:ietf:params:rtp-hdrext:toffset
a=extmap:4 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=recvonly
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtcp-fb:120 goog-remb
a=rtcp-fb:120 ccm fir
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtpmap:121 VP9/90000
a=rtcp-fb:121 goog-remb
a=rtcp-fb:121 ccm fir
a=rtcp-fb:121 nack
a=rtcp-fb:121 nack pli
a=fmtp:121 profile-id=0
"}}
{"description":{"type":"offer","sdp":"v=0
o=mozilla...THIS_IS_SDPARTA-68.8.1 0 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 0:4C:4D:4E:4F:50:51:52:53:54:55:56:57:58:59:5A:5B:5C:5D:5E:5F:60:61:62:63:64:65:66:67:68:69
a=group:BUNDLE 0
a=ice-options:trickle
a=msid-semantic:WMS *
m=video 40000 UDP/TLS/RTP/SAVPF 120 121
c=IN IP4 192.168.0.0
a=candidate:0 1 UDP 2100000000 192.168.0.0 40000 typ host
a=candidate:1 1 UDP 2100000000 ::1 40000 typ host
a=candidate:2 1 TCP 2100000000 192.168.0.0 40000 typ host tcptype passive
a=candidate:2 1 TCP 2100000000 192.168.0.0 9 typ host tcptype active
a=candidate:3 1 TCP 2100000000 ::1 40000 typ host tcptype passive
a=candidate:3 1 TCP 2100000000 ::1 9 typ host tcptype active
a=candidate:0 2 UDP 2100000000 192.168.0.0 40000 typ host
a=candidate:1 2 UDP 2100000000 ::1 40000 typ host
a=candidate:2 2 TCP 2100000000 192.168.0.0 40000 typ host tcptype passive
a=candidate:2 2 TCP 2100000000 192.168.0.0 9 typ host tcptype active
a=candidate:3 2 TCP 2100000000 ::1 40000 typ host tcptype passive
a=candidate:3 2 TCP 2100000000 ::1 9 typ host tcptype active
a=sendrecv
a=end-of-candidates
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:4 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:5 urn:ietf:params:rtp-hdrext:toffset
a=fmtp:120 max-fs=12288;max-fr=60
a=fmtp:121 max-fs=12288;max-fr=60
a=ice-pwd:
a=ice-ufrag:
a=mid:0
a=msid:{}
a=rtcp:40000 IN IP4 192.168.0.0
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:120 goog-remb
a=rtcp-fb:121 nack
a=rtcp-fb:121 nack pli
a=rtcp-fb:121 ccm fir
a=rtcp-fb:121 goog-remb
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtpmap:121 VP9/90000
a=setup:actpass
a=ssrc:0 cname:{}
"}}
{"description":{"type":"offer","sdp":"v=0
o=mozilla...THIS_IS_SDPARTA-75.0 0 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 6A:6B:6C:6D:6E:6F:70:71:72:73:74:75:76:77:78:79:7A:7B:7C:7D:7E:7F:80:81:82:83:84:85:86:87:88:89
a=group:BUNDLE 0
a=ice-options:trickle
a=msid-semantic:WMS *
m=application 9 UDP/DTLS/SCTP webrtc-datachannel
c=IN IP4 0.0.0.0
a=candidate:0 1 UDP 2100000000 0.local 40000 typ host
a=candidate:1 1 TCP 2100000000 0.local 9 typ host tcptype active
a=sendrecv
a=end-of-candidates
a=ice-pwd:
a=ice-ufrag:
a=mid:0
a=setup:actpass
a=sctp-port:5000
a=max-message-size:
"}}

47
camera/static/js/prefixCompressor.js Normal file
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@ -0,0 +1,47 @@
async function loadLZMAPrefixCompressor(prefixFilename) {
class PrefixCompressor {
constructor(prefix, compress, decompress, bytesToIgnore) {
this.prefix = prefix;
this.prefixCompressed = compress(prefix);
this.bytesToIgnore = bytesToIgnore;
this.baseCompress = compress;
this.baseDecompress = decompress;
}
compress(str) {
const c = this.baseCompress(this.prefix + str);
for (var i = this.bytesToIgnore;
i < this.prefixCompressed.length
&& this.prefixCompressed[i] == c[i];
i++) { }
const omittedBytes = this.prefixCompressed.length - i;
const res = c.subarray(i - 1);
res[0] = omittedBytes;
return res;
}
decompress(arr) {
const omittedBytes = arr[0];
const prefixBytes = this.prefixCompressed.length-omittedBytes;
const c = new Uint8Array(prefixBytes + arr.length-1);
c.set(this.prefixCompressed.subarray(0, prefixBytes));
c.set(arr.subarray(1), prefixBytes);
const d = this.baseDecompress(c);
return d.substring(this.prefix.length);
}
}
async function loadDictionary() {
const response = await fetch(prefixFilename);
return await response.text();
}
const prefix = await loadDictionary();
return new PrefixCompressor(prefix, str => {
const res = new Uint8Array(LZMA.compress(str, 9));
// Clear uncompressed size as it will be invalid.
for (var i = 5; i < 13; i++) res[i] = 255;
return res;
}, arr => {
return LZMA.decompress(arr).toString();
}, 12);
}

1
camera/static/js/qr-scanner-worker.min.js vendored Symbolic link
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@ -0,0 +1 @@
../../../external/qr-scanner-binaryData/qr-scanner-worker.min.js

1
camera/static/js/qr-scanner-worker.min.js.map Symbolic link
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@ -0,0 +1 @@
../../../external/qr-scanner/qr-scanner-worker.min.js.map

1
camera/static/js/qr-scanner.min.js vendored Symbolic link
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@ -0,0 +1 @@
../../../external/qr-scanner/qr-scanner.min.js

1
camera/static/js/qr-scanner.min.js.map Symbolic link
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@ -0,0 +1 @@
../../../external/qr-scanner/qr-scanner.min.js.map

171
camera/templates/index.html
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@ -12,13 +12,13 @@ body.justVideo {
body.justVideo #status, body.justVideo form { body.justVideo #status, body.justVideo form {
display: none; display: none;
} }
#qrcodelink { .qrcontainer {
position: sticky; position: sticky;
top: 0; top: 0;
right: 0; right: 0;
float: right; float: right;
} }
#qrcodelink svg path { .qrcontainer svg path {
min-width: 30vw; min-width: 30vw;
max-width: 100vw; max-width: 100vw;
max-height: 50vh; max-height: 50vh;
@ -57,15 +57,29 @@ form label {
} }
</style> </style>
<script type="text/javascript" src="static/js/qrcodegen.js"></script> <script type="text/javascript" src="static/js/qrcodegen.js"></script>
<script type="text/javascript" src="static/js/lzma_worker.js"></script>
<script type="text/javascript" src="static/js/prefixCompressor.js"></script>
</head> </head>
<body> <body>
<a id="qrcodelink" style="display:none;"> <a class="qrcontainer" id="qrcodelink" style="display:none;">
<svg xmlns="http://www.w3.org/2000/svg" id="qrcode" style="width:20em; height:20em;" stroke="none"> <svg xmlns="http://www.w3.org/2000/svg" id="qrcode" style="width:20em; height:20em;" stroke="none">
<rect width="100%" height="100%" fill="#FFFFFF"/> <rect width="100%" height="100%" fill="#FFFFFF"/>
<path d="" fill="#000000"/> <path d="" fill="#000000"/>
</svg> </svg>
</a> </a>
<div class="qrcontainer" id="qrcodeObjContainer" style="display:none;">
<svg xmlns="http://www.w3.org/2000/svg" id="qrcodeObj" style="width:20em; height:20em;" stroke="none">
<rect width="100%" height="100%" fill="#FFFFFF"/>
<path d="" fill="#000000"/>
</svg> <br/>
<textarea id="localOffer" readonly></textarea>
<button id="copyLocalOffer">Copy</button>
</div>
<form name="settings"> <form name="settings">
<label>
Serverless mode:
<input name="serverless" type="checkbox" value="true" />
</label>
<label> <label>
Recieve remote video: Recieve remote video:
<select name="client-video"> <select name="client-video">
@ -99,26 +113,55 @@ form label {
<input name="debug" type="checkbox" value="true" /> <input name="debug" type="checkbox" value="true" />
</label> </label>
</form> </form>
<form id="serverlessOffer" style="display: none;" onsubmit="return false;">
<label>
Paste offer here:
<textarea name="remoteOffer"></textarea>
<button id="remoteOfferScan">Scan QR code</button>
</label>
</form>
<div id="status"></div> <div id="status"></div>
<div id="videos"> <div id="videos">
<button id="unmute" style="display:none;">Unmute</button> <button id="unmute" style="display:none;">Unmute</button>
<button id="start" style="display:none;">Start Streaming</button> <button id="start" style="display:none;">Start Streaming</button>
<video id="remoteView" width="100%" autoplay muted style="display:none;"></video> <video id="remoteView" width="100%" autoplay muted style="display:none;"></video>
<video id="selfView" width="200" height="150" autoplay muted style="display:none;"></video> <video id="selfView" width="200" height="150" autoplay muted style="display:none;"></video>
<video id="qrscan" width="100%" autoplay muted style="display:none;"></video>
</div> </div>
<script > <script type="module" >
import * as b64 from "./static/js/base64.js";
import QrScanner from "./static/js/qr-scanner.min.js";
QrScanner.WORKER_PATH = "./static/js/qr-scanner-worker.min.js"
async function initialize() {
const create = (container, type) => container.appendChild(document.createElement(type)); const create = (container, type) => container.appendChild(document.createElement(type));
const QRGen = qrcodegen.QrCode; const QRGen = qrcodegen.QrCode;
var compressor = null;
async function getCompressor() {
if (compressor == null) {
compressor = await loadLZMAPrefixCompressor('static/js/prefix');
}
return compressor;
}
const body = document.querySelector("body"); const body = document.querySelector("body");
const out = document.getElementById("status"); const out = document.getElementById("status");
const qrcode = document.getElementById("qrcode"); const qrcode = document.getElementById("qrcode");
const qrcodelink = document.getElementById("qrcodelink"); const qrcodelink = document.getElementById("qrcodelink");
const qrcodeObjContainer = document.getElementById("qrcodeObjContainer");
const qrcodeObj = document.getElementById("qrcodeObj");
const remoteView = document.getElementById("remoteView"); const remoteView = document.getElementById("remoteView");
const selfView = document.getElementById("selfView"); const selfView = document.getElementById("selfView");
const qrscan = document.getElementById("qrscan");
const start = document.getElementById("start"); const start = document.getElementById("start");
const unmute = document.getElementById("unmute"); const unmute = document.getElementById("unmute");
const form = document.forms["settings"]; const form = document.forms["settings"];
const remoteOfferForm = document.forms["serverlessOffer"];
const remoteOffer = remoteOfferForm.elements["remoteOffer"];
const remoteOfferScan = document.getElementById("remoteOfferScan");
const localOfferArea = document.getElementById("localOffer");
const localOfferCopyButton = document.getElementById("copyLocalOffer");
function _log(str, tag) { function _log(str, tag) {
const logEntry = document.createElement(tag); const logEntry = document.createElement(tag);
@ -152,24 +195,60 @@ form label {
} }
for (const el of form.elements) { for (const el of form.elements) {
el.addEventListener("change", _ => { el.addEventListener("change", e => {
window.location.hash = JSON.stringify(readSettingsForm(false)); window.location.hash = JSON.stringify(readSettingsForm(false));
if (e.target.name == 'serverless') {
window.location.reload(false);
}
}); });
} }
function isServerless() {
return settings && 'serverless' in settings && settings.serverless;
}
function withHash(hash) { function withHash(hash) {
return window.location.href.split('#')[0] + '#' + hash; return window.location.href.split('#')[0] + '#' + hash;
} }
function displayQRUrl(url) { function displayQR(qrcode, val) {
qrcodelink.href = url; const encodeFunc = val instanceof Uint8Array
const qr = QRGen.encodeText(url, QRGen.Ecc.MEDIUM); ? QRGen.encodeBinary
: QRGen.encodeText;
const qr = encodeFunc(val, QRGen.Ecc.MEDIUM);
const code = qr.toSvgString(1); const code = qr.toSvgString(1);
const viewBox = (/ viewBox="([^"]*)"/.exec(code))[1]; const viewBox = (/ viewBox="([^"]*)"/.exec(code))[1];
const pathD = (/ d="([^"]*)"/.exec(code))[1]; const pathD = (/ d="([^"]*)"/.exec(code))[1];
qrcode.setAttribute("viewBox", viewBox); qrcode.setAttribute("viewBox", viewBox);
qrcode.querySelector("path").setAttribute("d", pathD); qrcode.querySelector("path").setAttribute("d", pathD);
}
function displayQRUrl(url) {
qrcodelink.href = url;
displayQR(qrcode, url);
qrcodelink.style.display = ''; qrcodelink.style.display = '';
} }
function displayQRUrlForObj(obj) {
const json = JSON.stringify(obj);
log("Encoding message in QR code/link:");
logPre(json);
const compressed = compressor.compress(json);
const encoded = b64.bytesToBase64(compressed);
displayQRUrl(withHash('^' + encoded));
}
function displayQRCodeForObj(obj) {
const json = JSON.stringify(obj);
log("Encoding message in QR code for copy/paste:");
logPre(json);
const compressed = compressor.compress(json);
const encoded = b64.bytesToBase64(compressed);
displayQR(qrcodeObj, compressed);
localOfferArea.value = encoded;
localOfferCopyButton.onclick = _ => {
localOfferArea.focus();
localOfferArea.select();
document.execCommand('copy');
};
qrcodeObjContainer.style.display = '';
}
let roomName = window.location.hash; let roomName = window.location.hash;
let isHost = roomName === undefined || !roomName; let isHost = roomName === undefined || !roomName;
@ -195,6 +274,25 @@ form label {
log("Failed to read settings from hash: " + error); log("Failed to read settings from hash: " + error);
} }
} }
var firstMessage = undefined;
if (roomName && roomName.startsWith("#^")) {
roomName = undefined;
isHost = false;
try {
const hash = decodeURI(window.location.hash);
log("Reading first message from hash:");
logPre(hash);
log("Decoded base64:");
const decoded = (await getCompressor()).decompress(b64.base64ToBytes(hash.substring(2)));
logPre(decoded);
firstMessage = decoded;
settings = {serverless: true};
} catch (error) {
log("Failed to read message from hash: " + error);
}
}
if (isHost) { if (isHost) {
// From https://stackoverflow.com/a/1349426 // From https://stackoverflow.com/a/1349426
function makeid(length) { function makeid(length) {
@ -207,15 +305,23 @@ form label {
return result; return result;
} }
if (!isServerless()) {
roomName = makeid(8); roomName = makeid(8);
displayQRUrl(withHash(roomName)); displayQRUrl(withHash(roomName));
}
} else { } else {
if (!isServerless()) {
roomName = roomName.substring(1); roomName = roomName.substring(1);
}
qrcodelink.style.display = 'none'; qrcodelink.style.display = 'none';
form.style.display = 'none'; form.style.display = 'none';
} }
if (isServerless()) {
log("In serverless mode.");
} else {
log("Room: " + roomName); log("Room: " + roomName);
}
var webSocket = undefined; var webSocket = undefined;
@ -225,6 +331,10 @@ form label {
const method = dcReady ? "dataConnection" : "webSocket"; const method = dcReady ? "dataConnection" : "webSocket";
log("Sending message via " + method + "..."); log("Sending message via " + method + "...");
logPre(toSend); logPre(toSend);
if (isServerless() && !dcReady) {
log("ERROR: Attempted to use webSocket in serverless mode.");
return;
}
(dcReady ? dc : webSocket).send(toSend); (dcReady ? dc : webSocket).send(toSend);
} }
@ -233,7 +343,12 @@ form label {
function sendOffer() { function sendOffer() {
if (pc.iceGatheringState == "complete") { if (pc.iceGatheringState == "complete") {
sendJson({ const sendFunc = !isServerless() || dc && dc.readyState == "open"
? sendJson
: isHost
? displayQRUrlForObj
: displayQRCodeForObj;
sendFunc({
description: pc.localDescription description: pc.localDescription
}); });
} }
@ -284,6 +399,7 @@ form label {
receiveMessage({source: "dataChannel", data: e.data}); receiveMessage({source: "dataChannel", data: e.data});
} }
log('Data channel initialized.'); log('Data channel initialized.');
qrcodeObjContainer.style.display = 'none';
} }
if (isHost) { if (isHost) {
@ -292,6 +408,8 @@ form label {
receiveMessage({source: "dataChannel", data: e.data}); receiveMessage({source: "dataChannel", data: e.data});
} }
dc.onopen = e => { dc.onopen = e => {
remoteOffer.disabled = true;
remoteOfferScan.disabled = true;
log("Data channel open, sending settings...") log("Data channel open, sending settings...")
settings = readSettingsForm(true); settings = readSettingsForm(true);
sendJson({settings}); sendJson({settings});
@ -414,6 +532,7 @@ form label {
return webSocket; return webSocket;
} }
if (!isServerless()) {
webSocket = createWebSocket(); webSocket = createWebSocket();
if (!isHost) { if (!isHost) {
@ -422,8 +541,42 @@ form label {
// so here just notify the host to start the process. // so here just notify the host to start the process.
webSocket.onopen = _ => sendJson({ready: true}); webSocket.onopen = _ => sendJson({ready: true});
} }
} else if (isHost) {
await getCompressor();
pc = createRTCPeerConnection();
remoteOffer.value = '';
remoteOffer.onchange = _ => {
try {
const decoded = b64.base64ToBytes(remoteOffer.value);
const decompressed = compressor.decompress(decoded);
receiveMessage({source: 'textarea', data: decompressed});
} catch (e) {
log("Error decoding remote offer: " + e);
}
};
remoteOfferScan.onclick = _ => {
qrscan.style.display = '';
const qrScanner = new QrScanner(qrscan, (result) => {
qrscan.style.display = 'none';
log('Decoded qr code.');
try {
const decompressed = compressor.decompress(new Uint8Array(result.binaryData));
receiveMessage({source: 'qr', data: decompressed});
qrScanner.destroy();
} catch(error) {
log('Error interpreting QR code: ' + error);
}
});
qrScanner.start();
};
remoteOfferForm.style.display = '';
} else {
receiveMessage({source: 'URL', data: firstMessage});
}
log("Finished <script> block."); log("Finished <script> block.");
}
initialize();
</script> </script>
</body> </body>
</html> </html>

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external/LZMA-JS vendored Submodule

@ -0,0 +1 @@
Subproject commit 8f98fe85a1ef78ab6e9d26ab85ce338f50095a23

1
external/base64.js vendored Submodule

@ -0,0 +1 @@
Subproject commit 74d3cbf82481545bc26c104de2419f4ee30c7dd7

1
external/qr-scanner vendored Submodule

@ -0,0 +1 @@
Subproject commit ecd8a3425f5d222ded65a0c6a560a437e53c204c

6
external/qr-scanner-binaryData/README vendored Normal file
View File

@ -0,0 +1,6 @@
./qr-scanner-worker.min.js is modified from
../qr-scanner/qr-scanner-worker.min.js. The only change is that instead
of returning result.data, it returns result to allow access to
result.binaryData.
MIT Licensed

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external/qr-scanner-binaryData/qr-scanner-worker.min.js vendored Normal file
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'use strict';(function(){function S(a,b){let c=[],d="";b=a.readBits([8,16,16][b]);for(let d=0;d<b;d++){let b=a.readBits(8);c.push(b)}try{d+=decodeURIComponent(c.map((a)=>`%${("0"+a.toString(16)).substr(-2)}`).join(""))}catch(e){}return{bytes:c,text:d}}function T(a,b){a=new U(a);b=9>=b?0:26>=b?1:2;let c={text:"",bytes:[],chunks:[]};for(;4<=a.available();){var d=a.readBits(4);if(d===y.Terminator)return c;if(d===y.ECI)0===a.readBits(1)?c.chunks.push({type:u.ECI,assignmentNumber:a.readBits(7)}):0===a.readBits(1)?
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b.score);d=15<=l&&d.length?d[0]:q;return{alignmentPattern:{x:d.x,y:d.y},bottomLeft:{x:p.x,y:p.y},dimension:n,topLeft:{x:m.x,y:m.y},topRight:{x:k.x,y:k.y}}}function P(a){let b=ja(a);if(!b)return null;a=fa(a,b);var c=a.matrix;if(null==c)c=null;else{var d=L(c);if(d)c=d;else{for(d=0;d<c.width;d++)for(let a=d+1;a<c.height;a++)c.get(d,a)!==c.get(a,d)&&(c.set(d,a,!c.get(d,a)),c.set(a,d,!c.get(a,d)));c=L(c)}}return c?{binaryData:c.bytes,data:c.text,chunks:c.chunks,location:{topRightCorner:a.mappingFunction(b.dimension,
0),topLeftCorner:a.mappingFunction(0,0),bottomRightCorner:a.mappingFunction(b.dimension,b.dimension),bottomLeftCorner:a.mappingFunction(0,b.dimension),topRightFinderPattern:b.topRight,topLeftFinderPattern:b.topLeft,bottomLeftFinderPattern:b.bottomLeft,bottomRightAlignmentPattern:b.alignmentPattern}}:null}function Q(a,b){Object.keys(b).forEach((c)=>{a[c]=b[c]})}function I(a,b,c,d={}){let e=Object.create(null);Q(e,ka);Q(e,d);d="onlyInvert"===e.inversionAttempts||"invertFirst"===e.inversionAttempts;
var g="attemptBoth"===e.inversionAttempts||"invertFirst"===e.inversionAttempts;var f=e.greyScaleWeights,h=e.canOverwriteImage,k=b*c;if(a.length!==4*k)throw Error("Malformed data passed to binarizer.");var m=0;if(h){var p=new Uint8ClampedArray(a.buffer,m,k);m+=k}p=new R(b,c,p);if(f.useIntegerApproximation)for(var n=0;n<c;n++)for(var l=0;l<b;l++){var q=4*(n*b+l);p.set(l,n,f.red*a[q]+f.green*a[q+1]+f.blue*a[q+2]+128>>8)}else for(n=0;n<c;n++)for(l=0;l<b;l++)q=4*(n*b+l),p.set(l,n,f.red*a[q]+f.green*a[q+
1]+f.blue*a[q+2]);f=Math.ceil(b/8);n=Math.ceil(c/8);l=f*n;if(h){var r=new Uint8ClampedArray(a.buffer,m,l);m+=l}r=new R(f,n,r);for(l=0;l<n;l++)for(q=0;q<f;q++){var u=0,v=Infinity,t=0;for(let a=0;8>a;a++)for(let b=0;8>b;b++){let c=p.get(8*q+b,8*l+a);u+=c;v=Math.min(v,c);t=Math.max(t,c)}u/=Math.pow(8,2);24>=t-v&&(u=v/2,0<l&&0<q&&(t=(r.get(q,l-1)+2*r.get(q-1,l)+r.get(q-1,l-1))/4,v<t&&(u=t)));r.set(q,l,u)}h?(l=new Uint8ClampedArray(a.buffer,m,k),m+=k,l=new A(l,b)):l=A.createEmpty(b,c);q=null;g&&(h?(a=
new Uint8ClampedArray(a.buffer,m,k),q=new A(a,b)):q=A.createEmpty(b,c));for(b=0;b<n;b++)for(a=0;a<f;a++){c=f-3;c=2>a?2:a>c?c:a;h=n-3;h=2>b?2:b>h?h:b;k=0;for(m=-2;2>=m;m++)for(v=-2;2>=v;v++)k+=r.get(c+m,h+v);c=k/25;for(h=0;8>h;h++)for(k=0;8>k;k++)m=8*a+h,v=8*b+k,t=p.get(m,v),l.set(m,v,t<=c),g&&q.set(m,v,!(t<=c))}g=g?{binarized:l,inverted:q}:{binarized:l};let {binarized:w,inverted:x}=g;(g=P(d?x:w))||"attemptBoth"!==e.inversionAttempts&&"invertFirst"!==e.inversionAttempts||(g=P(d?w:x));return g}class A{static createEmpty(a,
b){return new A(new Uint8ClampedArray(a*b),a)}constructor(a,b){this.width=b;this.height=a.length/b;this.data=a}get(a,b){return 0>a||a>=this.width||0>b||b>=this.height?!1:!!this.data[b*this.width+a]}set(a,b,c){this.data[b*this.width+a]=c?1:0}setRegion(a,b,c,d,e){for(let g=b;g<b+d;g++)for(let b=a;b<a+c;b++)this.set(b,g,!!e)}}class R{constructor(a,b,c){this.width=a;a*=b;if(c&&c.length!==a)throw Error("Wrong buffer size");this.data=c||new Uint8ClampedArray(a)}get(a,b){return this.data[b*this.width+a]}set(a,
b,c){this.data[b*this.width+a]=c}}class U{constructor(a){this.bitOffset=this.byteOffset=0;this.bytes=a}readBits(a){if(1>a||32<a||a>this.available())throw Error("Cannot read "+a.toString()+" bits");var b=0;if(0<this.bitOffset){b=8-this.bitOffset;var c=a<b?a:b;b-=c;b=(this.bytes[this.byteOffset]&255>>8-c<<b)>>b;a-=c;this.bitOffset+=c;8===this.bitOffset&&(this.bitOffset=0,this.byteOffset++)}if(0<a){for(;8<=a;)b=b<<8|this.bytes[this.byteOffset]&255,this.byteOffset++,a-=8;0<a&&(c=8-a,b=b<<a|(this.bytes[this.byteOffset]&
255>>c<<c)>>c,this.bitOffset+=a)}return b}available(){return 8*(this.bytes.length-this.byteOffset)-this.bitOffset}}var u;(function(a){a.Numeric="numeric";a.Alphanumeric="alphanumeric";a.Byte="byte";a.Kanji="kanji";a.ECI="eci"})(u||(u={}));var y;(function(a){a[a.Terminator=0]="Terminator";a[a.Numeric=1]="Numeric";a[a.Alphanumeric=2]="Alphanumeric";a[a.Byte=4]="Byte";a[a.Kanji=8]="Kanji";a[a.ECI=7]="ECI"})(y||(y={}));let B="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:".split("");class w{constructor(a,
b){if(0===b.length)throw Error("No coefficients.");this.field=a;let c=b.length;if(1<c&&0===b[0]){let d=1;for(;d<c&&0===b[d];)d++;if(d===c)this.coefficients=a.zero.coefficients;else for(this.coefficients=new Uint8ClampedArray(c-d),a=0;a<this.coefficients.length;a++)this.coefficients[a]=b[d+a]}else this.coefficients=b}degree(){return this.coefficients.length-1}isZero(){return 0===this.coefficients[0]}getCoefficient(a){return this.coefficients[this.coefficients.length-1-a]}addOrSubtract(a){if(this.isZero())return a;
if(a.isZero())return this;let b=this.coefficients;a=a.coefficients;b.length>a.length&&([b,a]=[a,b]);let c=new Uint8ClampedArray(a.length),d=a.length-b.length;for(var e=0;e<d;e++)c[e]=a[e];for(e=d;e<a.length;e++)c[e]=b[e-d]^a[e];return new w(this.field,c)}multiply(a){if(0===a)return this.field.zero;if(1===a)return this;let b=this.coefficients.length,c=new Uint8ClampedArray(b);for(let d=0;d<b;d++)c[d]=this.field.multiply(this.coefficients[d],a);return new w(this.field,c)}multiplyPoly(a){if(this.isZero()||
a.isZero())return this.field.zero;let b=this.coefficients,c=b.length;a=a.coefficients;let d=a.length,e=new Uint8ClampedArray(c+d-1);for(let h=0;h<c;h++){let c=b[h];for(let b=0;b<d;b++){var g=h+b,f=this.field.multiply(c,a[b]);e[g]=e[h+b]^f}}return new w(this.field,e)}multiplyByMonomial(a,b){if(0>a)throw Error("Invalid degree less than 0");if(0===b)return this.field.zero;let c=this.coefficients.length;a=new Uint8ClampedArray(c+a);for(let d=0;d<c;d++)a[d]=this.field.multiply(this.coefficients[d],b);
return new w(this.field,a)}evaluateAt(a){let b=0;if(0===a)return this.getCoefficient(0);let c=this.coefficients.length;if(1===a)return this.coefficients.forEach((a)=>{b^=a}),b;b=this.coefficients[0];for(let d=1;d<c;d++)b=J(this.field.multiply(a,b),this.coefficients[d]);return b}}class X{constructor(a,b,c){this.primitive=a;this.size=b;this.generatorBase=c;this.expTable=Array(this.size);this.logTable=Array(this.size);a=1;for(b=0;b<this.size;b++)this.expTable[b]=a,a*=2,a>=this.size&&(a=(a^this.primitive)&
this.size-1);for(a=0;a<this.size-1;a++)this.logTable[this.expTable[a]]=a;this.zero=new w(this,Uint8ClampedArray.from([0]));this.one=new w(this,Uint8ClampedArray.from([1]))}multiply(a,b){return 0===a||0===b?0:this.expTable[(this.logTable[a]+this.logTable[b])%(this.size-1)]}inverse(a){if(0===a)throw Error("Can't invert 0");return this.expTable[this.size-this.logTable[a]-1]}buildMonomial(a,b){if(0>a)throw Error("Invalid monomial degree less than 0");if(0===b)return this.zero;a=new Uint8ClampedArray(a+
1);a[0]=b;return new w(this,a)}log(a){if(0===a)throw Error("Can't take log(0)");return this.logTable[a]}exp(a){return this.expTable[a]}}let K=[{infoBits:null,versionNumber:1,alignmentPatternCenters:[],errorCorrectionLevels:[{ecCodewordsPerBlock:7,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:19}]},{ecCodewordsPerBlock:10,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:16}]},{ecCodewordsPerBlock:13,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:13}]},{ecCodewordsPerBlock:17,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:9}]}]},
{infoBits:null,versionNumber:2,alignmentPatternCenters:[6,18],errorCorrectionLevels:[{ecCodewordsPerBlock:10,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:34}]},{ecCodewordsPerBlock:16,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:28}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:22}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:16}]}]},{infoBits:null,versionNumber:3,alignmentPatternCenters:[6,22],errorCorrectionLevels:[{ecCodewordsPerBlock:15,ecBlocks:[{numBlocks:1,
dataCodewordsPerBlock:55}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:44}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:17}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:13}]}]},{infoBits:null,versionNumber:4,alignmentPatternCenters:[6,26],errorCorrectionLevels:[{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:80}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:32}]},{ecCodewordsPerBlock:26,
ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:24}]},{ecCodewordsPerBlock:16,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:9}]}]},{infoBits:null,versionNumber:5,alignmentPatternCenters:[6,30],errorCorrectionLevels:[{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:108}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:43}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:15},{numBlocks:2,dataCodewordsPerBlock:16}]},{ecCodewordsPerBlock:22,
ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:11},{numBlocks:2,dataCodewordsPerBlock:12}]}]},{infoBits:null,versionNumber:6,alignmentPatternCenters:[6,34],errorCorrectionLevels:[{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:68}]},{ecCodewordsPerBlock:16,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:27}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:19}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:15}]}]},{infoBits:31892,versionNumber:7,
alignmentPatternCenters:[6,22,38],errorCorrectionLevels:[{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:78}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:31}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:14},{numBlocks:4,dataCodewordsPerBlock:15}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:13},{numBlocks:1,dataCodewordsPerBlock:14}]}]},{infoBits:34236,versionNumber:8,alignmentPatternCenters:[6,24,42],
errorCorrectionLevels:[{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:97}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:38},{numBlocks:2,dataCodewordsPerBlock:39}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:18},{numBlocks:2,dataCodewordsPerBlock:19}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:14},{numBlocks:2,dataCodewordsPerBlock:15}]}]},{infoBits:39577,versionNumber:9,alignmentPatternCenters:[6,
26,46],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:36},{numBlocks:2,dataCodewordsPerBlock:37}]},{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:16},{numBlocks:4,dataCodewordsPerBlock:17}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:12},{numBlocks:4,dataCodewordsPerBlock:13}]}]},{infoBits:42195,versionNumber:10,alignmentPatternCenters:[6,
28,50],errorCorrectionLevels:[{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:68},{numBlocks:2,dataCodewordsPerBlock:69}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:43},{numBlocks:1,dataCodewordsPerBlock:44}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:19},{numBlocks:2,dataCodewordsPerBlock:20}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:15},{numBlocks:2,dataCodewordsPerBlock:16}]}]},{infoBits:48118,
versionNumber:11,alignmentPatternCenters:[6,30,54],errorCorrectionLevels:[{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:81}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:50},{numBlocks:4,dataCodewordsPerBlock:51}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:22},{numBlocks:4,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:12},{numBlocks:8,dataCodewordsPerBlock:13}]}]},{infoBits:51042,
versionNumber:12,alignmentPatternCenters:[6,32,58],errorCorrectionLevels:[{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:92},{numBlocks:2,dataCodewordsPerBlock:93}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:36},{numBlocks:2,dataCodewordsPerBlock:37}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:20},{numBlocks:6,dataCodewordsPerBlock:21}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:14},{numBlocks:4,
dataCodewordsPerBlock:15}]}]},{infoBits:55367,versionNumber:13,alignmentPatternCenters:[6,34,62],errorCorrectionLevels:[{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:107}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:37},{numBlocks:1,dataCodewordsPerBlock:38}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:20},{numBlocks:4,dataCodewordsPerBlock:21}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:11},{numBlocks:4,
dataCodewordsPerBlock:12}]}]},{infoBits:58893,versionNumber:14,alignmentPatternCenters:[6,26,46,66],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:115},{numBlocks:1,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:40},{numBlocks:5,dataCodewordsPerBlock:41}]},{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:16},{numBlocks:5,dataCodewordsPerBlock:17}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:11,
dataCodewordsPerBlock:12},{numBlocks:5,dataCodewordsPerBlock:13}]}]},{infoBits:63784,versionNumber:15,alignmentPatternCenters:[6,26,48,70],errorCorrectionLevels:[{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:87},{numBlocks:1,dataCodewordsPerBlock:88}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:41},{numBlocks:5,dataCodewordsPerBlock:42}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:24},{numBlocks:7,dataCodewordsPerBlock:25}]},
{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:12},{numBlocks:7,dataCodewordsPerBlock:13}]}]},{infoBits:68472,versionNumber:16,alignmentPatternCenters:[6,26,50,74],errorCorrectionLevels:[{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:98},{numBlocks:1,dataCodewordsPerBlock:99}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:45},{numBlocks:3,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:19},
{numBlocks:2,dataCodewordsPerBlock:20}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:15},{numBlocks:13,dataCodewordsPerBlock:16}]}]},{infoBits:70749,versionNumber:17,alignmentPatternCenters:[6,30,54,78],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:107},{numBlocks:5,dataCodewordsPerBlock:108}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:46},{numBlocks:1,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:28,
ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:22},{numBlocks:15,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:14},{numBlocks:17,dataCodewordsPerBlock:15}]}]},{infoBits:76311,versionNumber:18,alignmentPatternCenters:[6,30,56,82],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:120},{numBlocks:1,dataCodewordsPerBlock:121}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:9,dataCodewordsPerBlock:43},{numBlocks:4,
dataCodewordsPerBlock:44}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:22},{numBlocks:1,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:14},{numBlocks:19,dataCodewordsPerBlock:15}]}]},{infoBits:79154,versionNumber:19,alignmentPatternCenters:[6,30,58,86],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:113},{numBlocks:4,dataCodewordsPerBlock:114}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:3,
dataCodewordsPerBlock:44},{numBlocks:11,dataCodewordsPerBlock:45}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:21},{numBlocks:4,dataCodewordsPerBlock:22}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:9,dataCodewordsPerBlock:13},{numBlocks:16,dataCodewordsPerBlock:14}]}]},{infoBits:84390,versionNumber:20,alignmentPatternCenters:[6,34,62,90],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:107},{numBlocks:5,dataCodewordsPerBlock:108}]},
{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:41},{numBlocks:13,dataCodewordsPerBlock:42}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:24},{numBlocks:5,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:15},{numBlocks:10,dataCodewordsPerBlock:16}]}]},{infoBits:87683,versionNumber:21,alignmentPatternCenters:[6,28,50,72,94],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:116},
{numBlocks:4,dataCodewordsPerBlock:117}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:42}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:22},{numBlocks:6,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:16},{numBlocks:6,dataCodewordsPerBlock:17}]}]},{infoBits:92361,versionNumber:22,alignmentPatternCenters:[6,26,50,74,98],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:111},
{numBlocks:7,dataCodewordsPerBlock:112}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:24},{numBlocks:16,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:34,dataCodewordsPerBlock:13}]}]},{infoBits:96236,versionNumber:23,alignmentPatternCenters:[6,30,54,74,102],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:121},{numBlocks:5,dataCodewordsPerBlock:122}]},
{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:47},{numBlocks:14,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:24},{numBlocks:14,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:16,dataCodewordsPerBlock:15},{numBlocks:14,dataCodewordsPerBlock:16}]}]},{infoBits:102084,versionNumber:24,alignmentPatternCenters:[6,28,54,80,106],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:117},
{numBlocks:4,dataCodewordsPerBlock:118}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:45},{numBlocks:14,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:24},{numBlocks:16,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:30,dataCodewordsPerBlock:16},{numBlocks:2,dataCodewordsPerBlock:17}]}]},{infoBits:102881,versionNumber:25,alignmentPatternCenters:[6,32,58,84,110],errorCorrectionLevels:[{ecCodewordsPerBlock:26,
ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:106},{numBlocks:4,dataCodewordsPerBlock:107}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:47},{numBlocks:13,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:24},{numBlocks:22,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:22,dataCodewordsPerBlock:15},{numBlocks:13,dataCodewordsPerBlock:16}]}]},{infoBits:110507,versionNumber:26,alignmentPatternCenters:[6,
30,58,86,114],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:114},{numBlocks:2,dataCodewordsPerBlock:115}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:46},{numBlocks:4,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:28,dataCodewordsPerBlock:22},{numBlocks:6,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:33,dataCodewordsPerBlock:16},{numBlocks:4,dataCodewordsPerBlock:17}]}]},
{infoBits:110734,versionNumber:27,alignmentPatternCenters:[6,34,62,90,118],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:122},{numBlocks:4,dataCodewordsPerBlock:123}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:22,dataCodewordsPerBlock:45},{numBlocks:3,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:23},{numBlocks:26,dataCodewordsPerBlock:24}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:15},
{numBlocks:28,dataCodewordsPerBlock:16}]}]},{infoBits:117786,versionNumber:28,alignmentPatternCenters:[6,26,50,74,98,122],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:117},{numBlocks:10,dataCodewordsPerBlock:118}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:45},{numBlocks:23,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:24},{numBlocks:31,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,
ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:15},{numBlocks:31,dataCodewordsPerBlock:16}]}]},{infoBits:119615,versionNumber:29,alignmentPatternCenters:[6,30,54,78,102,126],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:116},{numBlocks:7,dataCodewordsPerBlock:117}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:21,dataCodewordsPerBlock:45},{numBlocks:7,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:23},{numBlocks:37,
dataCodewordsPerBlock:24}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:15},{numBlocks:26,dataCodewordsPerBlock:16}]}]},{infoBits:126325,versionNumber:30,alignmentPatternCenters:[6,26,52,78,104,130],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:115},{numBlocks:10,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:47},{numBlocks:10,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,
ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:24},{numBlocks:25,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:23,dataCodewordsPerBlock:15},{numBlocks:25,dataCodewordsPerBlock:16}]}]},{infoBits:127568,versionNumber:31,alignmentPatternCenters:[6,30,56,82,108,134],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:13,dataCodewordsPerBlock:115},{numBlocks:3,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:46},
{numBlocks:29,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:42,dataCodewordsPerBlock:24},{numBlocks:1,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:23,dataCodewordsPerBlock:15},{numBlocks:28,dataCodewordsPerBlock:16}]}]},{infoBits:133589,versionNumber:32,alignmentPatternCenters:[6,34,60,86,112,138],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:115}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:10,
dataCodewordsPerBlock:46},{numBlocks:23,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:24},{numBlocks:35,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:15},{numBlocks:35,dataCodewordsPerBlock:16}]}]},{infoBits:136944,versionNumber:33,alignmentPatternCenters:[6,30,58,86,114,142],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:115},{numBlocks:1,dataCodewordsPerBlock:116}]},
{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:14,dataCodewordsPerBlock:46},{numBlocks:21,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:29,dataCodewordsPerBlock:24},{numBlocks:19,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:15},{numBlocks:46,dataCodewordsPerBlock:16}]}]},{infoBits:141498,versionNumber:34,alignmentPatternCenters:[6,34,62,90,118,146],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:13,dataCodewordsPerBlock:115},
{numBlocks:6,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:14,dataCodewordsPerBlock:46},{numBlocks:23,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:44,dataCodewordsPerBlock:24},{numBlocks:7,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:59,dataCodewordsPerBlock:16},{numBlocks:1,dataCodewordsPerBlock:17}]}]},{infoBits:145311,versionNumber:35,alignmentPatternCenters:[6,30,54,78,102,126,150],errorCorrectionLevels:[{ecCodewordsPerBlock:30,
ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:121},{numBlocks:7,dataCodewordsPerBlock:122}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:47},{numBlocks:26,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:39,dataCodewordsPerBlock:24},{numBlocks:14,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:22,dataCodewordsPerBlock:15},{numBlocks:41,dataCodewordsPerBlock:16}]}]},{infoBits:150283,versionNumber:36,alignmentPatternCenters:[6,
24,50,76,102,128,154],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:121},{numBlocks:14,dataCodewordsPerBlock:122}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:47},{numBlocks:34,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:46,dataCodewordsPerBlock:24},{numBlocks:10,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:15},{numBlocks:64,dataCodewordsPerBlock:16}]}]},
{infoBits:152622,versionNumber:37,alignmentPatternCenters:[6,28,54,80,106,132,158],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:122},{numBlocks:4,dataCodewordsPerBlock:123}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:29,dataCodewordsPerBlock:46},{numBlocks:14,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:49,dataCodewordsPerBlock:24},{numBlocks:10,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:24,
dataCodewordsPerBlock:15},{numBlocks:46,dataCodewordsPerBlock:16}]}]},{infoBits:158308,versionNumber:38,alignmentPatternCenters:[6,32,58,84,110,136,162],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:122},{numBlocks:18,dataCodewordsPerBlock:123}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:13,dataCodewordsPerBlock:46},{numBlocks:32,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:48,dataCodewordsPerBlock:24},{numBlocks:14,dataCodewordsPerBlock:25}]},
{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:42,dataCodewordsPerBlock:15},{numBlocks:32,dataCodewordsPerBlock:16}]}]},{infoBits:161089,versionNumber:39,alignmentPatternCenters:[6,26,54,82,110,138,166],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:20,dataCodewordsPerBlock:117},{numBlocks:4,dataCodewordsPerBlock:118}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:40,dataCodewordsPerBlock:47},{numBlocks:7,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:43,
dataCodewordsPerBlock:24},{numBlocks:22,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:15},{numBlocks:67,dataCodewordsPerBlock:16}]}]},{infoBits:167017,versionNumber:40,alignmentPatternCenters:[6,30,58,86,114,142,170],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:118},{numBlocks:6,dataCodewordsPerBlock:119}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:18,dataCodewordsPerBlock:47},{numBlocks:31,dataCodewordsPerBlock:48}]},
{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:34,dataCodewordsPerBlock:24},{numBlocks:34,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:20,dataCodewordsPerBlock:15},{numBlocks:61,dataCodewordsPerBlock:16}]}]}],ca=[{bits:21522,formatInfo:{errorCorrectionLevel:1,dataMask:0}},{bits:20773,formatInfo:{errorCorrectionLevel:1,dataMask:1}},{bits:24188,formatInfo:{errorCorrectionLevel:1,dataMask:2}},{bits:23371,formatInfo:{errorCorrectionLevel:1,dataMask:3}},{bits:17913,formatInfo:{errorCorrectionLevel:1,
dataMask:4}},{bits:16590,formatInfo:{errorCorrectionLevel:1,dataMask:5}},{bits:20375,formatInfo:{errorCorrectionLevel:1,dataMask:6}},{bits:19104,formatInfo:{errorCorrectionLevel:1,dataMask:7}},{bits:30660,formatInfo:{errorCorrectionLevel:0,dataMask:0}},{bits:29427,formatInfo:{errorCorrectionLevel:0,dataMask:1}},{bits:32170,formatInfo:{errorCorrectionLevel:0,dataMask:2}},{bits:30877,formatInfo:{errorCorrectionLevel:0,dataMask:3}},{bits:26159,formatInfo:{errorCorrectionLevel:0,dataMask:4}},{bits:25368,
formatInfo:{errorCorrectionLevel:0,dataMask:5}},{bits:27713,formatInfo:{errorCorrectionLevel:0,dataMask:6}},{bits:26998,formatInfo:{errorCorrectionLevel:0,dataMask:7}},{bits:5769,formatInfo:{errorCorrectionLevel:3,dataMask:0}},{bits:5054,formatInfo:{errorCorrectionLevel:3,dataMask:1}},{bits:7399,formatInfo:{errorCorrectionLevel:3,dataMask:2}},{bits:6608,formatInfo:{errorCorrectionLevel:3,dataMask:3}},{bits:1890,formatInfo:{errorCorrectionLevel:3,dataMask:4}},{bits:597,formatInfo:{errorCorrectionLevel:3,
dataMask:5}},{bits:3340,formatInfo:{errorCorrectionLevel:3,dataMask:6}},{bits:2107,formatInfo:{errorCorrectionLevel:3,dataMask:7}},{bits:13663,formatInfo:{errorCorrectionLevel:2,dataMask:0}},{bits:12392,formatInfo:{errorCorrectionLevel:2,dataMask:1}},{bits:16177,formatInfo:{errorCorrectionLevel:2,dataMask:2}},{bits:14854,formatInfo:{errorCorrectionLevel:2,dataMask:3}},{bits:9396,formatInfo:{errorCorrectionLevel:2,dataMask:4}},{bits:8579,formatInfo:{errorCorrectionLevel:2,dataMask:5}},{bits:11994,
formatInfo:{errorCorrectionLevel:2,dataMask:6}},{bits:11245,formatInfo:{errorCorrectionLevel:2,dataMask:7}}],Z=[(a)=>0===(a.y+a.x)%2,(a)=>0===a.y%2,(a)=>0===a.x%3,(a)=>0===(a.y+a.x)%3,(a)=>0===(Math.floor(a.y/2)+Math.floor(a.x/3))%2,(a)=>0===a.x*a.y%2+a.x*a.y%3,(a)=>0===(a.y*a.x%2+a.y*a.x%3)%2,(a)=>0===((a.y+a.x)%2+a.y*a.x%3)%2],x=(a,b)=>Math.sqrt(Math.pow(b.x-a.x,2)+Math.pow(b.y-a.y,2)),ka={inversionAttempts:"attemptBoth",greyScaleWeights:{red:.2126,green:.7152,blue:.0722,useIntegerApproximation:!1},
canOverwriteImage:!0};I.default=I;let H="dontInvert",D={red:77,green:150,blue:29,useIntegerApproximation:!0};self.onmessage=(a)=>{let b=a.data.data;switch(a.data.type){case "decode":a=I(b.data,b.width,b.height,{inversionAttempts:H,greyScaleWeights:D});self.postMessage({type:"qrResult",data:a?a:null});break;case "grayscaleWeights":D.red=b.red;D.green=b.green;D.blue=b.blue;D.useIntegerApproximation=b.useIntegerApproximation;break;case "inversionMode":switch(b){case "original":H="dontInvert";break;
case "invert":H="attemptBoth";break;case "both":H="attemptBoth";break;default:throw Error("Invalid inversion mode");}break;case "close":self.close()}}})();
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