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play-demo.html
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play-demo.html
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<html>
<head>
<script src="rtws.js"></script>
<script src="amf0.js"></script>
<script src="tcmessage.js"></script>
<script src="tcconn.js"></script>
<script src="tcaudio.js"></script>
<script src="tcmedia.js"></script>
<script>
var connection;
var channelStream;
var mediaDecoder;
function onResize() {
video.width = Math.floor(video.parentElement.clientWidth);
video.height = Math.floor(video.parentElement.clientHeight);
}
function doPlay(mode) {
const streamName = stream_name_override.value || stream_name_override.placeholder;
if(channelStream && streamName)
{
let tcserverExtras = "";
if("vod" == mode)
{
mediaDecoder.audioFrameSkipThresh = 100;
mediaDecoder.audioController.bufferTime = 0.50;
mediaDecoder.audioController.resetMinimumBufferLength(120);
if(checkbox_tcserver.checked)
tcserverExtras = "?audioLifetime=3&previousGopStartByMargin=0.1&finishByMargin=3";
}
else
{
mediaDecoder.audioFrameSkipThresh = 20;
mediaDecoder.audioController.bufferTime = ("live-ish" == mode) ? 0.50 : 0.0;
mediaDecoder.audioController.resetMinimumBufferLength(16);
if(checkbox_tcserver.checked)
tcserverExtras = "?audioLifetime=0.25&previousGopStartBy=0.1&finishByMargin=0.5";
}
console.log('NetStream.play("' + streamName + tcserverExtras + '")');
channelStream.play(streamName + tcserverExtras);
}
}
function doCloseStream() {
channelStream?.closeStream();
mediaDecoder?.audioFlush();
}
function onDisconnected(e) {
if(e)
console.log("onDisconnected", e);
connection?.close();
connection = null;
channelStream = null;
button_disconnect.disabled = true;
button_connect.disabled = false;
server_uri.disabled = false;
tcurl_override.disabled = false;
app_override.disabled = false;
button_play.disabled = true;
button_play_liveish.disabled = true;
button_play_vod.disabled = true;
button_closestream.disabled = true;
mediaDecoder?.close();
mediaDecoder = null;
}
async function onConnected(info) {
channelStream = await connection.createStream();
channelStream.client.onMetaData = function(...args) { console.log("onMetaData", ...args); };
mediaDecoder = new com_zenomt_TCMediaDecoder(channelStream);
mediaDecoder.drawFramesToCanvas(video);
mediaDecoder.audioController.onstatus = (e) => console.log("audioController.onstatus", e.detail, e);
button_play.disabled = false;
button_play_liveish.disabled = false;
button_play_vod.disabled = false;
button_closestream.disabled = false;
}
function doConnect() {
if(!server_uri.value)
return;
button_connect.disabled = true;
button_disconnect.disabled = false;
server_uri.disabled = true;
tcurl_override.disabled = true;
app_override.disabled = true;
connection = new com_zenomt_TCConnection();
connection.onclose = onDisconnected;
connection.connect(server_uri.value, {
tcUrl:tcurl_override.value || undefined,
app:app_override.value || undefined,
videoCodecs:(1 << com_zenomt_TCMessage.TC_VIDEO_CODEC_AVC),
audioCodecs:0xffff, // cheat and say all of them
fourCcList:["av01", "vp09", "hvc1", "avc1", "Opus", ".mp3", "fLaC", "mp4a"], // Enhanced RTMP
capsEx: 0, // Enhanced RTMP, no reconnect, no multitrack
audioFourCcInfoMap: { "Opus": 1, ".mp3": 1, "fLaC": 1, "mp4a": 1 }, // Enhanced RTMP
videoFourCcInfoMap: { "av01": 1, "vp09": 1, "hvc1": 1, "avc1": 1 }, // Enhanced RTMP
}).then(onConnected).catch(onDisconnected);
connection._rtws.minOutstandingThresh = 16 * 1024;
connection._rtws.maxAdditionalDelay = 0.1;
}
function doDisconnect() {
if(connection)
connection.close();
else
onDisconnected();
}
function populateOverrides() {
const uri = com_zenomt_TCConnection.URIParse(server_uri.value);
tcurl_override.placeholder = uri.publicUri;
app_override.placeholder = com_zenomt_TCConnection.appFromTcUrl(tcurl_override.value || server_uri.value);
stream_name_override.placeholder = com_zenomt_TCConnection.safeDecodeURIComponent(uri.fragment) || "live";
}
function displayStats() {
const ctx = stats.getContext('2d');
ctx.font = "14px monaco, monospace";
ctx.fillStyle = "hsl(120, 100%, 60%)";
ctx.clearRect(0, 0, stats.width, stats.height);
var vcursor = 20;
const vstep = 18;
var minBuffer = mediaDecoder?.audioController.audioSourceNode?.minimumBufferLength || 0;
var maxBuffer = mediaDecoder?.audioController.audioSourceNode?.maximumBufferLength || 0;
ctx.fillText("Time: " + (mediaDecoder?.audioController.currentTime.toFixed(2) || "0.00"), 10, vcursor); vcursor += vstep;
ctx.fillText("Buffer: " + (mediaDecoder?.audioController.bufferLength.toFixed(3) || "0.000"), 10, vcursor); vcursor += vstep;
ctx.fillText("Minimum: " + minBuffer.toFixed(3), 10, vcursor); vcursor += vstep;
ctx.fillText("Maximum: " + maxBuffer.toFixed(3), 10, vcursor); vcursor += vstep;
ctx.fillText("Jitter: " + (maxBuffer - minBuffer).toFixed(3), 10, vcursor); vcursor += vstep;
}
function onLoaded() {
window.addEventListener("resize", onResize);
onDisconnected();
onResize();
server_uri.onchange = server_uri.oninput = tcurl_override.onchange = tcurl_override.oninput = populateOverrides;
populateOverrides();
// in case we're being relayed through rtmfp, try to hasten switch to new address
navigator.connection?.addEventListener("change", () => { try { connection?.command("ping"); } catch(_) {} });
setInterval(displayStats, 125);
}
</script>
<title>Play Stream Demo</title>
</head>
<body onload="onLoaded()" style="display: grid; grid-template-rows: auto 1fr;">
<div>
<h1>Play Stream Demo</h1>
<table cellpadding="3">
<tr> <td>Server</td><td><input type="text" size="100" id="server_uri" placeholder="websocket url" value="ws://localhost:8080/live#live" /> </td> </tr>
<tr> <td>Overrides</td> <td><input type="text" size="48" id="tcurl_override" title="tcUrl override" /> <input type="text" size="64" id="app_override" title="app override" /> </td> </tr>
<tr>
<td></td>
<td>
<button type="button" id="button_connect" onclick="doConnect()">Connect</button>
<button type="button" id="button_disconnect" onclick="doDisconnect()">Disconnect</button>
</td>
</tr>
<tr>
<td>Stream</td>
<td>
<input type="text" size="40" id="stream_name_override" title="stream name override" value=""/>
<button type="button" id="button_play" onclick="doPlay('live')">Play Live</button>
<button type="button" id="button_play_liveish" onclick="doPlay('live-ish')">Play Live-ish</button>
<button type="button" id="button_play_vod" onclick="doPlay('vod')">Play Buffered</button>
<button type="button" id="button_closestream" onclick="doCloseStream()">Close Stream</button>
<input type="checkbox" id="checkbox_tcserver" checked/><label for="checkbox_tcserver"><a href="https://github.com/zenomt/rtmfp-cpp/blob/main/test/tcserver.md">tcserver</a> extras</label>
</td>
</tr>
</table>
<hr/>
</div>
<div style="width: 100%; overflow:hidden;">
<canvas id="stats" width="200px" height="105px" style="position: absolute; background-color: rgba(0,0,0,0.5); z-index:2"></canvas>
<canvas id="video" style="z-index:1"></canvas>
</div>
</body>
</html>