mirror of
https://github.com/servo/servo.git
synced 2025-07-02 04:53:39 +01:00
87 lines
2.8 KiB
HTML
87 lines
2.8 KiB
HTML
<!doctype html>
|
|
<meta charset=utf-8>
|
|
<title>RTCRtpParameters degradationPreference</title>
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="dictionary-helper.js"></script>
|
|
<script src="RTCRtpParameters-helper.js"></script>
|
|
<script>
|
|
'use strict';
|
|
|
|
// Test is based on the following editor draft:
|
|
// https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html
|
|
|
|
// The following helper functions are called from RTCRtpParameters-helper.js:
|
|
// validateSenderRtpParameters
|
|
|
|
/*
|
|
5.2. RTCRtpSender Interface
|
|
interface RTCRtpSender {
|
|
Promise<void> setParameters(optional RTCRtpParameters parameters);
|
|
RTCRtpParameters getParameters();
|
|
};
|
|
|
|
dictionary RTCRtpParameters {
|
|
DOMString transactionId;
|
|
sequence<RTCRtpEncodingParameters> encodings;
|
|
sequence<RTCRtpHeaderExtensionParameters> headerExtensions;
|
|
RTCRtcpParameters rtcp;
|
|
sequence<RTCRtpCodecParameters> codecs;
|
|
RTCDegradationPreference degradationPreference;
|
|
};
|
|
|
|
enum RTCDegradationPreference {
|
|
"maintain-framerate",
|
|
"maintain-resolution",
|
|
"balanced"
|
|
};
|
|
|
|
- degradationPreference is set to the last value passed into setParameters,
|
|
or the default value of "balanced" if setParameters hasn't been called.
|
|
*/
|
|
|
|
promise_test(t => {
|
|
const pc = new RTCPeerConnection();
|
|
t.add_cleanup(() => pc.close());
|
|
const { sender } = pc.addTransceiver('audio');
|
|
|
|
const param = sender.getParameters();
|
|
validateSenderRtpParameters(param);
|
|
|
|
assert_equals(param.degradationPreference, 'balanced',
|
|
'Expect initial param.degradationPreference to be balanced');
|
|
|
|
param.degradationPreference = 'maintain-framerate';
|
|
|
|
return pc.setParameters(param)
|
|
.then(() => {
|
|
const param = sender.getParameters();
|
|
validateSenderRtpParameters(param);
|
|
|
|
assert_equals(param.degradationPreference, 'maintain-framerate');
|
|
});
|
|
}, 'setParameters with degradationPreference set should succeed');
|
|
|
|
promise_test(t => {
|
|
const pc = new RTCPeerConnection();
|
|
t.add_cleanup(() => pc.close());
|
|
const { sender } = pc.addTransceiver('audio');
|
|
|
|
const param = sender.getParameters();
|
|
validateSenderRtpParameters(param);
|
|
|
|
assert_equals(param.degradationPreference, 'balanced',
|
|
'Expect initial param.degradationPreference to be balanced');
|
|
|
|
param.degradationPreference = undefined;
|
|
|
|
return pc.setParameters(param)
|
|
.then(() => {
|
|
const param = sender.getParameters();
|
|
validateSenderRtpParameters(param);
|
|
|
|
assert_equals(param.degradationPreference, undefined);
|
|
});
|
|
}, 'setParameters with degradationPreference unset should succeed');
|
|
|
|
</script>
|