From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- .../tests/webrtc/RTCRtpParameters-helper.js | 259 +++++++++++++++++++++ 1 file changed, 259 insertions(+) create mode 100644 testing/web-platform/tests/webrtc/RTCRtpParameters-helper.js (limited to 'testing/web-platform/tests/webrtc/RTCRtpParameters-helper.js') diff --git a/testing/web-platform/tests/webrtc/RTCRtpParameters-helper.js b/testing/web-platform/tests/webrtc/RTCRtpParameters-helper.js new file mode 100644 index 0000000000..dd8ae0cc06 --- /dev/null +++ b/testing/web-platform/tests/webrtc/RTCRtpParameters-helper.js @@ -0,0 +1,259 @@ +'use strict'; + +// Test is based on the following editor draft: +// https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html + +// Helper function for testing RTCRtpParameters dictionary fields + +// This file depends on dictionary-helper.js which should +// be loaded from the main HTML file. + +// An offer/answer exchange is necessary for getParameters() to have any +// negotiated parameters to return. +async function doOfferAnswerExchange(t, caller) { + const callee = new RTCPeerConnection(); + t.add_cleanup(() => callee.close()); + const offer = await caller.createOffer(); + await caller.setLocalDescription(offer); + await callee.setRemoteDescription(offer); + const answer = await callee.createAnswer(); + await callee.setLocalDescription(answer); + await caller.setRemoteDescription(answer); + + return callee; +} + +/* + Validates the RTCRtpParameters returned from RTCRtpSender.prototype.getParameters + + 5.2. RTCRtpSender Interface + getParameters + - transactionId is set to a new unique identifier, used to match this getParameters + call to a setParameters call that may occur later. + + - encodings is set to the value of the [[SendEncodings]] internal slot. + + - The headerExtensions sequence is populated based on the header extensions that + have been negotiated for sending. + + - The codecs sequence is populated based on the codecs that have been negotiated + for sending, and which the user agent is currently capable of sending. If + setParameters has removed or reordered codecs, getParameters MUST return the + shortened/reordered list. However, every time codecs are renegotiated by a + new offer/answer exchange, the list of codecs MUST be restored to the full + negotiated set, in the priority order indicated by the remote description, + in effect discarding the effects of setParameters. + + - rtcp.cname is set to the CNAME of the associated RTCPeerConnection. rtcp.reducedSize + is set to true if reduced-size RTCP has been negotiated for sending, and false otherwise. + */ +function validateSenderRtpParameters(param) { + validateRtpParameters(param); + + assert_array_field(param, 'encodings'); + for(const encoding of param.encodings) { + validateEncodingParameters(encoding); + } + + assert_not_equals(param.transactionId, undefined, + 'Expect sender param.transactionId to be set'); + + assert_not_equals(param.rtcp.cname, undefined, + 'Expect sender param.rtcp.cname to be set'); + + assert_not_equals(param.rtcp.reducedSize, undefined, + 'Expect sender param.rtcp.reducedSize to be set to either true or false'); +} + +/* + Validates the RTCRtpParameters returned from RTCRtpReceiver.prototype.getParameters + + 5.3. RTCRtpReceiver Interface + getParameters + When getParameters is called, the RTCRtpParameters dictionary is constructed + as follows: + + - The headerExtensions sequence is populated based on the header extensions that + the receiver is currently prepared to receive. + + - The codecs sequence is populated based on the codecs that the receiver is currently + prepared to receive. + + - rtcp.reducedSize is set to true if the receiver is currently prepared to receive + reduced-size RTCP packets, and false otherwise. rtcp.cname is left undefined. + + - transactionId is left undefined. + */ +function validateReceiverRtpParameters(param) { + validateRtpParameters(param); + + assert_equals(param.transactionId, undefined, + 'Expect receiver param.transactionId to be unset'); + + assert_not_equals(param.rtcp.reducedSize, undefined, + 'Expect receiver param.rtcp.reducedSize to be set'); + + assert_equals(param.rtcp.cname, undefined, + 'Expect receiver param.rtcp.cname to be unset'); +} + +/* + dictionary RTCRtpParameters { + DOMString transactionId; + sequence encodings; + sequence headerExtensions; + RTCRtcpParameters rtcp; + sequence codecs; + }; + + */ +function validateRtpParameters(param) { + assert_optional_string_field(param, 'transactionId'); + + assert_array_field(param, 'headerExtensions'); + for(const headerExt of param.headerExtensions) { + validateHeaderExtensionParameters(headerExt); + } + + assert_dict_field(param, 'rtcp'); + validateRtcpParameters(param.rtcp); + + assert_array_field(param, 'codecs'); + for(const codec of param.codecs) { + validateCodecParameters(codec); + } +} + +/* + dictionary RTCRtpEncodingParameters { + boolean active; + unsigned long maxBitrate; + + [readonly] + DOMString rid; + + double scaleResolutionDownBy; + }; + + */ +function validateEncodingParameters(encoding) { + assert_optional_boolean_field(encoding, 'active'); + assert_optional_unsigned_int_field(encoding, 'maxBitrate'); + + assert_optional_string_field(encoding, 'rid'); + assert_optional_number_field(encoding, 'scaleResolutionDownBy'); +} + +/* + dictionary RTCRtcpParameters { + [readonly] + DOMString cname; + + [readonly] + boolean reducedSize; + }; + */ +function validateRtcpParameters(rtcp) { + assert_optional_string_field(rtcp, 'cname'); + assert_optional_boolean_field(rtcp, 'reducedSize'); +} + +/* + dictionary RTCRtpHeaderExtensionParameters { + [readonly] + DOMString uri; + + [readonly] + unsigned short id; + + [readonly] + boolean encrypted; + }; + */ +function validateHeaderExtensionParameters(headerExt) { + assert_optional_string_field(headerExt, 'uri'); + assert_optional_unsigned_int_field(headerExt, 'id'); + assert_optional_boolean_field(headerExt, 'encrypted'); +} + +/* + dictionary RTCRtpCodecParameters { + [readonly] + unsigned short payloadType; + + [readonly] + DOMString mimeType; + + [readonly] + unsigned long clockRate; + + [readonly] + unsigned short channels; + + [readonly] + DOMString sdpFmtpLine; + }; + */ +function validateCodecParameters(codec) { + assert_optional_unsigned_int_field(codec, 'payloadType'); + assert_optional_string_field(codec, 'mimeType'); + assert_optional_unsigned_int_field(codec, 'clockRate'); + assert_optional_unsigned_int_field(codec, 'channels'); + assert_optional_string_field(codec, 'sdpFmtpLine'); +} + +// Helper function to test that modifying an encoding field should succeed +function test_modified_encoding(kind, field, value1, value2, desc) { + promise_test(async t => { + const pc = new RTCPeerConnection(); + t.add_cleanup(() => pc.close()); + const { + sender + } = pc.addTransceiver(kind, { + sendEncodings: [{ + [field]: value1 + }] + }); + await doOfferAnswerExchange(t, pc); + + const param1 = sender.getParameters(); + validateSenderRtpParameters(param1); + const encoding1 = param1.encodings[0]; + + assert_equals(encoding1[field], value1); + encoding1[field] = value2; + + await sender.setParameters(param1); + const param2 = sender.getParameters(); + validateSenderRtpParameters(param2); + const encoding2 = param2.encodings[0]; + assert_equals(encoding2[field], value2); + }, desc + ' with RTCRtpTransceiverInit'); + + promise_test(async t => { + const pc = new RTCPeerConnection(); + t.add_cleanup(() => pc.close()); + const { + sender + } = pc.addTransceiver(kind); + await doOfferAnswerExchange(t, pc); + + const initParam = sender.getParameters(); + validateSenderRtpParameters(initParam); + initParam.encodings[0][field] = value1; + await sender.setParameters(initParam); + + const param1 = sender.getParameters(); + validateSenderRtpParameters(param1); + const encoding1 = param1.encodings[0]; + + assert_equals(encoding1[field], value1); + encoding1[field] = value2; + + await sender.setParameters(param1); + const param2 = sender.getParameters(); + validateSenderRtpParameters(param2); + const encoding2 = param2.encodings[0]; + assert_equals(encoding2[field], value2); + }, desc + ' without RTCRtpTransceiverInit'); +} -- cgit v1.2.3