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Add replace parameter to onclose stream callback.

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This indicates that the stream is being replaced by another one with
the same id.  This avoids moving videos around when they are being
renegotiated.
This commit is contained in:
Juliusz Chroboczek 2021-01-17 20:20:35 +01:00
parent f7b1ec73f1
commit 7d216f650c
2 changed files with 37 additions and 24 deletions
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29
static/galene.js
View file

@ -320,7 +320,8 @@ function gotClose(code, reason) {
* @param {Stream} c
*/
function gotDownStream(c) {
c.onclose = function() {
c.onclose = function(replace) {
if(!replace)
delMedia(c.id);
};
c.onerror = function(e) {
@ -1013,11 +1014,16 @@ async function addLocalMedia(id) {
}
let old = id && serverConnection.up[id];
if(!audio && !video) {
if(old)
old.close();
if(!audio && !video)
return;
}
if(old && old.onclose) {
// make sure that the camera is released before we try to reopen it
old.onclose.call(old, true);
}
let constraints = {audio: audio, video: video};
/** @type {MediaStream} */
@ -1040,21 +1046,24 @@ async function addLocalMedia(id) {
try {
let f = new Filter(stream, filter);
setFilter(c, f);
c.onclose = () => {
c.onclose = replace => {
stopStream(stream);
setFilter(c, null);
if(!replace)
delMedia(c.id);
}
} catch(e) {
displayWarning(e);
c.onclose = () => {
c.onclose = replace => {
stopStream(c.stream);
if(!replace)
delMedia(c.id);
}
}
} else {
c.onclose = () => {
c.onclose = replace => {
stopStream(c.stream);
if(!replace)
delMedia(c.id);
}
}
@ -1106,8 +1115,9 @@ async function addShareMedia() {
let c = newUpStream();
c.kind = 'screenshare';
c.stream = stream;
c.onclose = () => {
c.onclose = replace => {
stopStream(stream);
if(!replace)
delMedia(c.id);
}
stream.getTracks().forEach(t => {
@ -1141,7 +1151,7 @@ async function addFileMedia(file) {
let c = newUpStream();
c.kind = 'video';
c.stream = stream;
c.onclose = function() {
c.onclose = function(replace) {
stopStream(c.stream);
let media = /** @type{HTMLVideoElement} */
(document.getElementById('media-' + this.id));
@ -1149,8 +1159,9 @@ async function addFileMedia(file) {
URL.revokeObjectURL(media.src);
media.src = null;
}
if(!replace)
delMedia(c.id);
}
};
stream.onaddtrack = function(e) {
let t = e.track;

16
static/protocol.js
View file

@ -634,7 +634,7 @@ ServerConnection.prototype.gotAnswer = async function(id, sdp) {
if(c.onerror)
c.onerror.call(c, e);
} finally {
c.close(true);
c.close();
}
return;
}
@ -825,9 +825,10 @@ function Stream(sc, id, pc, up) {
/* Callbacks */
/**
* onclose is called when the stream is closed.
* onclose is called when the stream is closed. Replace will be true
* if the stream is being replaced by another one with the same id.
*
* @type{(this: Stream) => void}
* @type{(this: Stream, replace: boolean) => void}
*/
this.onclose = null;
/**
@ -880,9 +881,10 @@ function Stream(sc, id, pc, up) {
* streams in the down direction, this will be called automatically when
* the server signals that it is closing a stream.
*
* @param {boolean} [nocallback]
* @param {boolean} [replace]
* - true if the stream is being replaced by another one with the same id
*/
Stream.prototype.close = function(nocallback) {
Stream.prototype.close = function(replace) {
let c = this;
if(!c.sc) {
@ -920,8 +922,8 @@ Stream.prototype.close = function(nocallback) {
}
c.sc = null;
if(!nocallback && c.onclose)
c.onclose.call(c);
if(c.onclose)
c.onclose.call(c, replace);
};
/**