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<title>MediaRecorder infinite recursion with requestData() calls in "dataavailable" event</title>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=897776">Mozill
a Bug 897776</a>
<pre id="test">
<script class="testbody" type="text/javascript">
function startTest() {
navigator.mozGetUserMedia({audio: true, fake: true}, function(stream) {
var mediaRecorder = new MediaRecorder(stream);
var count = 0;
mediaRecorder.start();
info("mediaRecorder start");
mediaRecorder.ondataavailable = function (e) {
++count;
info("got ondataavailable data size = " + e.data.size);
// no more requestData() to prevent busy main thread from starving
// the encoding thread
if (count == 30) {
info("stream.stop");
stream.stop();
} else if (count < 30 && mediaRecorder.state == 'recording') {
info("requestData again");
mediaRecorder.requestData();
}
}
mediaRecorder.requestData();
info("mediaRecorder requestData");
mediaRecorder.onstop = function () {
ok(true, "requestData within ondataavailable successfully avoided infinite recursion");
SimpleTest.finish();
}
}, function(err) {
ok(false, 'Unexpected error fired with: ' + err);
SimpleTest.finish();
});
}
SimpleTest.waitForExplicitFinish();
startTest();
</script>
</pre>
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