third_party/blink/web_tests/external/wpt/webrtc/RTCRtpTransceiver-setCodecPreferences.html - chromium/src - Git at Google

 <!doctype html>
 <meta charset=utf-8>
 <title>RTCRtpTransceiver.prototype.setCodecPreferences</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
   'use strict';

   // Test is based on the following editor draft:
   // https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html

   /*
     5.4.  RTCRtpTransceiver Interface
       interface RTCRtpTransceiver {
         ...
         void setCodecPreferences(sequence<RTCRtpCodecCapability> codecs);
       };

       setCodecPreferences
         - Setting codecs to an empty sequence resets codec preferences to any
           default value.

         - The codecs sequence passed into setCodecPreferences can only contain
           codecs that are returned by RTCRtpSender.getCapabilities(kind) or
           RTCRtpReceiver.getCapabilities(kind), where kind is the kind of the
           RTCRtpTransceiver on which the method is called. Additionally, the
           RTCRtpCodecParameters dictionary members cannot be modified. If
           codecs does not fulfill these requirements, the user agent MUST throw
           an InvalidAccessError.
    */

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     const capabilities = RTCRtpSender.getCapabilities('audio');
     transceiver.setCodecPreferences(capabilities.codecs);

   }, `setCodecPreferences() on audio transceiver with codecs returned from RTCRtpSender.getCapabilities('audio') should succeed`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('video');
     const capabilities = RTCRtpReceiver.getCapabilities('video');
     transceiver.setCodecPreferences(capabilities.codecs);

   }, `setCodecPreferences() on video transceiver with codecs returned from RTCRtpReceiver.getCapabilities('video') should succeed`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     const capabilities1 = RTCRtpSender.getCapabilities('audio');
     const capabilities2 = RTCRtpReceiver.getCapabilities('audio');
     transceiver.setCodecPreferences([...capabilities1.codecs, ... capabilities2.codecs]);

   }, `setCodecPreferences() with both sender receiver codecs combined should succeed`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     transceiver.setCodecPreferences([]);

   }, `setCodecPreferences([]) should succeed`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     const capabilities = RTCRtpSender.getCapabilities('audio');
     const { codecs } = capabilities;

     if(codecs.length >= 2) {
       const tmp = codecs[0];
       codecs[0] = codecs[1];
       codecs[1] = tmp;
     }

     transceiver.setCodecPreferences(codecs);

   }, `setCodecPreferences() with reordered codecs should succeed`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     const capabilities = RTCRtpSender.getCapabilities('video');
     assert_throws(() => transceiver.setCodecPreferences(capabilities.codecs));

   }, `setCodecPreferences() on audio transceiver with codecs returned from getCapabilities('video') should throw InvalidAccessError`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     const codecs = [{
       mimeType: 'audio/piepiper',
       clockRate: 2000,
       channels: 2,
       sdpFmtpLine: 'a=fmtp:98 0-15'
     }];

     assert_throws(() => transceiver.setCodecPreferences(codecs));

   }, `setCodecPreferences() with user defined codec should throw InvalidAccessError`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     const capabilities = RTCRtpSender.getCapabilities('audio');
     const codecs = [
       ...capabilities.codecs,
       {
         mimeType: 'audio/piepiper',
         clockRate: 2000,
         channels: 2,
         sdpFmtpLine: 'a=fmtp:98 0-15'
       }];

     assert_throws(() => transceiver.setCodecPreferences(codecs));

   }, `setCodecPreferences() with user defined codec together with codecs returned from getCapabilities() should throw InvalidAccessError`);

   test(() => {
     const pc = new RTCPeerConnection();
     const transceiver = pc.addTransceiver('audio');
     const capabilities = RTCRtpSender.getCapabilities('audio');

     const { codecs } = capabilities;
     assert_greater_than(codecs.length, 0,
       'Expect at least one codec available');

     const [ codec ] = codecs;
     const { channels=2 } = codec;
     codec.channels = channels+1;

     assert_throws(() => transceiver.setCodecPreferences(codecs));

   }, `setCodecPreferences() with modified codecs returned from getCapabilities() should throw InvalidAccessError`);

  </script>
	<!doctype html>
	<meta charset=utf-8>
	<title>RTCRtpTransceiver.prototype.setCodecPreferences</title>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script>
	'use strict';

	// Test is based on the following editor draft:
	// https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html

	/*
	5.4. RTCRtpTransceiver Interface
	interface RTCRtpTransceiver {
	...
	void setCodecPreferences(sequence<RTCRtpCodecCapability> codecs);
	};

	setCodecPreferences
	- Setting codecs to an empty sequence resets codec preferences to any
	default value.

	- The codecs sequence passed into setCodecPreferences can only contain
	codecs that are returned by RTCRtpSender.getCapabilities(kind) or
	RTCRtpReceiver.getCapabilities(kind), where kind is the kind of the
	RTCRtpTransceiver on which the method is called. Additionally, the
	RTCRtpCodecParameters dictionary members cannot be modified. If
	codecs does not fulfill these requirements, the user agent MUST throw
	an InvalidAccessError.
	*/

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	const capabilities = RTCRtpSender.getCapabilities('audio');
	transceiver.setCodecPreferences(capabilities.codecs);

	}, `setCodecPreferences() on audio transceiver with codecs returned from RTCRtpSender.getCapabilities('audio') should succeed`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('video');
	const capabilities = RTCRtpReceiver.getCapabilities('video');
	transceiver.setCodecPreferences(capabilities.codecs);

	}, `setCodecPreferences() on video transceiver with codecs returned from RTCRtpReceiver.getCapabilities('video') should succeed`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	const capabilities1 = RTCRtpSender.getCapabilities('audio');
	const capabilities2 = RTCRtpReceiver.getCapabilities('audio');
	transceiver.setCodecPreferences([...capabilities1.codecs, ... capabilities2.codecs]);

	}, `setCodecPreferences() with both sender receiver codecs combined should succeed`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	transceiver.setCodecPreferences([]);

	}, `setCodecPreferences([]) should succeed`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	const capabilities = RTCRtpSender.getCapabilities('audio');
	const { codecs } = capabilities;

	if(codecs.length >= 2) {
	const tmp = codecs[0];
	codecs[0] = codecs[1];
	codecs[1] = tmp;
	}

	transceiver.setCodecPreferences(codecs);

	}, `setCodecPreferences() with reordered codecs should succeed`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	const capabilities = RTCRtpSender.getCapabilities('video');
	assert_throws(() => transceiver.setCodecPreferences(capabilities.codecs));

	}, `setCodecPreferences() on audio transceiver with codecs returned from getCapabilities('video') should throw InvalidAccessError`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	const codecs = [{
	mimeType: 'audio/piepiper',
	clockRate: 2000,
	channels: 2,
	sdpFmtpLine: 'a=fmtp:98 0-15'
	}];

	assert_throws(() => transceiver.setCodecPreferences(codecs));

	}, `setCodecPreferences() with user defined codec should throw InvalidAccessError`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	const capabilities = RTCRtpSender.getCapabilities('audio');
	const codecs = [
	...capabilities.codecs,
	{
	mimeType: 'audio/piepiper',
	clockRate: 2000,
	channels: 2,
	sdpFmtpLine: 'a=fmtp:98 0-15'
	}];

	assert_throws(() => transceiver.setCodecPreferences(codecs));

	}, `setCodecPreferences() with user defined codec together with codecs returned from getCapabilities() should throw InvalidAccessError`);

	test(() => {
	const pc = new RTCPeerConnection();
	const transceiver = pc.addTransceiver('audio');
	const capabilities = RTCRtpSender.getCapabilities('audio');

	const { codecs } = capabilities;
	assert_greater_than(codecs.length, 0,
	'Expect at least one codec available');

	const [ codec ] = codecs;
	const { channels=2 } = codec;
	codec.channels = channels+1;

	assert_throws(() => transceiver.setCodecPreferences(codecs));

	}, `setCodecPreferences() with modified codecs returned from getCapabilities() should throw InvalidAccessError`);

	</script>