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"use strict";
/*
* Copyright (c) 2013-2025 Vanessa Freudenberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
Object.extend(Squeak,
"audio", {
startAudioOut: function() {
if (!this.audioOutContext) {
this.audioOutContext = new AudioContext();
}
return this.audioOutContext;
},
stopAudioOut: function() {
if (this.audioOutContext) {
this.audioOutContext.close();
this.audioOutContext = null;
}
},
startAudioIn: function(thenDo, errorDo) {
if (this.audioInContext) {
this.audioInSource.disconnect();
return thenDo(this.audioInContext, this.audioInSource);
}
if (!navigator.mediaDevices) return errorDo("test: audio input not supported");
navigator.mediaDevices.getUserMedia({audio: true})
.then(stream => {
this.audioInContext = new AudioContext();
this.audioInSource = this.audioInContext.createMediaStreamSource(stream);
thenDo(this.audioInContext, this.audioInSource);
})
.catch(err => errorDo("cannot access microphone. " + err.name + ": " + err.message));
},
stopAudioIn: function() {
if (this.audioInSource) {
this.audioInSource.disconnect();
this.audioInSource = null;
this.audioInContext.close();
this.audioInContext = null;
}
},
});
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