74 lines
1.4 KiB
JavaScript
74 lines
1.4 KiB
JavaScript
JSMpeg.Source.Fetch = (function(){ "use strict";
|
|
|
|
var FetchSource = function(url, options) {
|
|
this.url = url;
|
|
this.destination = null;
|
|
this.request = null;
|
|
this.streaming = true;
|
|
|
|
this.completed = false;
|
|
this.established = false;
|
|
this.progress = 0;
|
|
this.aborted = false;
|
|
|
|
this.onEstablishedCallback = options.onSourceEstablished;
|
|
this.onCompletedCallback = options.onSourceCompleted;
|
|
};
|
|
|
|
FetchSource.prototype.connect = function(destination) {
|
|
this.destination = destination;
|
|
};
|
|
|
|
FetchSource.prototype.start = function() {
|
|
var params = {
|
|
method: 'GET',
|
|
headers: new Headers(),
|
|
cache: 'default'
|
|
};
|
|
|
|
self.fetch(this.url, params).then(function(res) {
|
|
if (res.ok && (res.status >= 200 && res.status <= 299)) {
|
|
this.progress = 1;
|
|
this.established = true;
|
|
return this.pump(res.body.getReader());
|
|
}
|
|
else {
|
|
//error
|
|
}
|
|
}.bind(this)).catch(function(err) {
|
|
throw(err);
|
|
});
|
|
};
|
|
|
|
FetchSource.prototype.pump = function(reader) {
|
|
return reader.read().then(function(result) {
|
|
if (result.done) {
|
|
this.completed = true;
|
|
}
|
|
else {
|
|
if (this.aborted) {
|
|
return reader.cancel();
|
|
}
|
|
|
|
if (this.destination) {
|
|
this.destination.write(result.value.buffer);
|
|
}
|
|
|
|
return this.pump(reader);
|
|
}
|
|
}.bind(this)).catch(function(err) {
|
|
throw(err);
|
|
});
|
|
};
|
|
|
|
FetchSource.prototype.resume = function(secondsHeadroom) {
|
|
// Nothing to do here
|
|
};
|
|
|
|
FetchSource.prototype.abort = function() {
|
|
this.aborted = true;
|
|
};
|
|
|
|
return FetchSource;
|
|
|
|
})(); |