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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/webrtc/RTCRtpParameters-encodings.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!doctype html>
+<meta charset=utf-8>
+<title>RTCRtpParameters encodings</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
+
+ /*
+ 5.1. RTCPeerConnection Interface Extensions
+ partial interface RTCPeerConnection {
+ RTCRtpTransceiver addTransceiver((MediaStreamTrack or DOMString) trackOrKind,
+ optional RTCRtpTransceiverInit init);
+ ...
+ };
+
+ dictionary RTCRtpTransceiverInit {
+ RTCRtpTransceiverDirection direction = "sendrecv";
+ sequence<MediaStream> streams;
+ sequence<RTCRtpEncodingParameters> sendEncodings;
+ };
+
+ 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;
+ };
+
+ dictionary RTCRtpEncodingParameters {
+ boolean active;
+ unsigned long maxBitrate;
+
+ [readonly]
+ DOMString rid;
+
+ double scaleResolutionDownBy;
+ };
+
+ getParameters
+ - encodings is set to the value of the [[send encodings]] internal slot.
+ */
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('video');
+
+ const param = transceiver.sender.getParameters();
+ assert_equals(param.encodings.length, 1);
+ // Do not call this in every test; it does not make sense to disable all of
+ // the tests below for an implementation that is missing support for
+ // fields that are not related to the test.
+ validateSenderRtpParameters(param);
+ }, `getParameters should return RTCRtpEncodingParameters with all required fields`);
+
+ /*
+ 5.1. addTransceiver
+ 7. Create an RTCRtpSender with track, streams and sendEncodings and let sender
+ be the result.
+
+ 5.2. create an RTCRtpSender
+ 5. Let sender have a [[send encodings]] internal slot, representing a list
+ of RTCRtpEncodingParameters dictionaries.
+ 6. If sendEncodings is given as input to this algorithm, and is non-empty,
+ set the [[send encodings]] slot to sendEncodings.
+
+ Otherwise, set it to a list containing a single RTCRtpEncodingParameters
+ with active set to true.
+ */
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('audio');
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_equals(encodings.length, 1);
+ const encoding = param.encodings[0];
+
+ assert_equals(encoding.active, true);
+ assert_not_own_property(encoding, "maxBitrate");
+ assert_not_own_property(encoding, "rid");
+ assert_not_own_property(encoding, "scaleResolutionDownBy");
+ // We do not check props from extension specifications here; those checks
+ // need to go in a test-case for that extension specification.
+ }, 'addTransceiver(audio) with undefined sendEncodings should have default encoding parameter with active set to true');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('video');
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_equals(encodings.length, 1);
+ const encoding = param.encodings[0];
+
+ assert_equals(encoding.active, true);
+ // spec says to return an encoding without a scaleResolutionDownBy value
+ // when addTransceiver does not pass any encodings, however spec also says
+ // to throw if setParameters is missing a scaleResolutionDownBy. One of
+ // these two requirements needs to be removed, but it is unclear right now
+ // which will be removed. For now, allow scaleResolutionDownBy, but don't
+ // require it.
+ // https://github.com/w3c/webrtc-pc/issues/2730
+ assert_not_own_property(encoding, "maxBitrate");
+ assert_not_own_property(encoding, "rid");
+ assert_equals(encoding.scaleResolutionDownBy, 1.0);
+ // We do not check props from extension specifications here; those checks
+ // need to go in a test-case for that extension specification.
+ }, 'addTransceiver(video) with undefined sendEncodings should have default encoding parameter with active set to true and scaleResolutionDownBy set to 1');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('audio', { sendEncodings: [] });
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_equals(encodings.length, 1);
+ const encoding = param.encodings[0];
+
+ assert_equals(encoding.active, true);
+ assert_not_own_property(encoding, "maxBitrate");
+ assert_not_own_property(encoding, "rid");
+ assert_not_own_property(encoding, "scaleResolutionDownBy");
+ // We do not check props from extension specifications here; those checks
+ // need to go in a test-case for that extension specification.
+ }, 'addTransceiver(audio) with empty list sendEncodings should have default encoding parameter with active set to true');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('video', { sendEncodings: [] });
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_equals(encodings.length, 1);
+ const encoding = param.encodings[0];
+
+ assert_equals(encoding.active, true);
+ assert_not_own_property(encoding, "maxBitrate");
+ assert_not_own_property(encoding, "rid");
+ assert_equals(encoding.scaleResolutionDownBy, 1.0);
+ // We do not check props from extension specifications here; those checks
+ // need to go in a test-case for that extension specification.
+ }, 'addTransceiver(video) with empty list sendEncodings should have default encoding parameter with active set to true and scaleResolutionDownBy set to 1');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('video', {sendEncodings: [{rid: "foo"}, {rid: "bar", scaleResolutionDownBy: 3.0}]});
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_equals(encodings.length, 2);
+ assert_equals(encodings[0].scaleResolutionDownBy, 1.0);
+ assert_equals(encodings[1].scaleResolutionDownBy, 3.0);
+ }, `addTransceiver(video) should auto-set scaleResolutionDownBy to 1 when some encodings have it, but not all`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('video', {sendEncodings: [{rid: "foo"}, {rid: "bar"}]});
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_equals(encodings.length, 2);
+ assert_equals(encodings[0].scaleResolutionDownBy, 2.0);
+ assert_equals(encodings[1].scaleResolutionDownBy, 1.0);
+ }, `addTransceiver should auto-set scaleResolutionDownBy to powers of 2 (descending) when absent`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const sendEncodings = [];
+ for (let i = 0; i < 1000; i++) {
+ sendEncodings.push({rid: i});
+ }
+ const transceiver = pc.addTransceiver('video', {sendEncodings});
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_less_than(encodings.length, 1000, `1000 encodings is clearly too many`);
+ }, `addTransceiver with a ridiculous number of encodings should truncate the list`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const transceiver = pc.addTransceiver('audio', {sendEncodings: [{rid: "foo"}, {rid: "bar"}]});
+
+ const param = transceiver.sender.getParameters();
+ const { encodings } = param;
+ assert_equals(encodings.length, 1);
+ assert_not_own_property(encodings[0], "maxBitrate");
+ assert_not_own_property(encodings[0], "rid");
+ assert_not_own_property(encodings[0], "scaleResolutionDownBy");
+ // We do not check props from extension specifications here; those checks
+ // need to go in a test-case for that extension specification.
+ }, `addTransceiver(audio) with multiple encodings should result in one encoding with no properties other than active`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const {sender} = pc.addTransceiver('audio', {sendEncodings: [{rid: "foo", scaleResolutionDownBy: 2.0}]});
+ const {encodings} = sender.getParameters();
+ assert_equals(encodings.length, 1);
+ assert_not_own_property(encodings[0], "scaleResolutionDownBy");
+ }, `addTransceiver(audio) should remove valid scaleResolutionDownBy`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const {sender} = pc.addTransceiver('audio', {sendEncodings: [{rid: "foo", scaleResolutionDownBy: -1.0}]});
+ const {encodings} = sender.getParameters();
+ assert_equals(encodings.length, 1);
+ assert_not_own_property(encodings[0], "scaleResolutionDownBy");
+ }, `addTransceiver(audio) should remove invalid scaleResolutionDownBy`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const {sender} = pc.addTransceiver('audio');
+ let params = sender.getParameters();
+ assert_equals(params.encodings.length, 1);
+ params.encodings[0].scaleResolutionDownBy = 2;
+ await sender.setParameters(params);
+ const {encodings} = sender.getParameters();
+ assert_equals(encodings.length, 1);
+ assert_not_own_property(encodings[0], "scaleResolutionDownBy");
+ }, `setParameters with scaleResolutionDownBy on an audio sender should succeed, but remove the scaleResolutionDownBy`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const {sender} = pc.addTransceiver('audio');
+ let params = sender.getParameters();
+ assert_equals(params.encodings.length, 1);
+ params.encodings[0].scaleResolutionDownBy = -1;
+ await sender.setParameters(params);
+ const {encodings} = sender.getParameters();
+ assert_equals(encodings.length, 1);
+ assert_not_own_property(encodings[0], "scaleResolutionDownBy");
+ }, `setParameters with an invalid scaleResolutionDownBy on an audio sender should succeed, but remove the scaleResolutionDownBy`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: "foo"}, {rid: "foo"}] }));
+ }, 'addTransceiver with duplicate rid and multiple encodings throws TypeError');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: "foo"}, {}] }));
+ }, 'addTransceiver with missing rid and multiple encodings throws TypeError');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: ""}] }));
+ }, 'addTransceiver with empty rid throws TypeError');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: "!?"}] }));
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: "(╯°□°)╯︵ ┻━┻"}] }));
+ // RFC 8851 says '-' and '_' are allowed, but RFC 8852 says they are not.
+ // RFC 8852 needs to be adhered to, otherwise we can't put the rid in RTP
+ // https://github.com/w3c/webrtc-pc/issues/2732
+ // https://www.rfc-editor.org/errata/eid7132
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: "foo-bar"}] }));
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: "foo_bar"}] }));
+ }, 'addTransceiver with invalid rid characters throws TypeError');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+
+ // https://github.com/w3c/webrtc-pc/issues/2732
+ assert_throws_js(TypeError, () => pc.addTransceiver('video', { sendEncodings: [{rid: 'a'.repeat(256)}] }));
+ }, 'addTransceiver with rid longer than 255 characters throws TypeError');
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+
+ assert_throws_js(RangeError, () => pc.addTransceiver('video', { sendEncodings: [{scaleResolutionDownBy: -1}] }));
+ assert_throws_js(RangeError, () => pc.addTransceiver('video', { sendEncodings: [{scaleResolutionDownBy: 0}] }));
+ assert_throws_js(RangeError, () => pc.addTransceiver('video', { sendEncodings: [{scaleResolutionDownBy: 0.5}] }));
+ }, `addTransceiver with scaleResolutionDownBy < 1 throws RangeError`);
+
+ /*
+ 5.2. create an RTCRtpSender
+ To create an RTCRtpSender with a MediaStreamTrack , track, a list of MediaStream
+ objects, streams, and optionally a list of RTCRtpEncodingParameters objects,
+ sendEncodings, run the following steps:
+ 5. Let sender have a [[send encodings]] internal slot, representing a list
+ of RTCRtpEncodingParameters dictionaries.
+
+ 6. If sendEncodings is given as input to this algorithm, and is non-empty,
+ set the [[send encodings]] slot to sendEncodings.
+
+ 5.2. getParameters
+ - encodings is set to the value of the [[send encodings]] internal slot.
+ */
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video', {
+ sendEncodings: [{
+ active: false,
+ maxBitrate: 8,
+ rid: 'foo'
+ }]
+ });
+
+ const param = sender.getParameters();
+ const encoding = param.encodings[0];
+
+ assert_equals(encoding.active, false);
+ assert_equals(encoding.maxBitrate, 8);
+ assert_not_own_property(encoding, "rid", "rid should be removed with a single encoding");
+
+ }, `sender.getParameters() should return sendEncodings set by addTransceiver()`);
+
+ /*
+ 5.2. setParameters
+ 3. Let N be the number of RTCRtpEncodingParameters stored in sender's internal
+ [[send encodings]] slot.
+ 7. If parameters.encodings.length is different from N, or if any parameter
+ in the parameters argument, marked as a Read-only parameter, has a value
+ that is different from the corresponding parameter value returned from
+ sender.getParameters(), abort these steps and return a promise rejected
+ with a newly created InvalidModificationError. Note that this also applies
+ to transactionId.
+ */
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video');
+
+ const param = sender.getParameters();
+
+ const { encodings } = param;
+ assert_equals(encodings.length, 1);
+
+ // While {} is valid RTCRtpEncodingParameters because all fields are
+ // optional, it is still invalid to be missing a rid when there are multiple
+ // encodings. Only trigger one kind of error here.
+ encodings.push({ rid: "foo" });
+ assert_equals(param.encodings.length, 2);
+
+ return promise_rejects_dom(t, 'InvalidModificationError',
+ sender.setParameters(param));
+ }, `sender.setParameters() with added encodings should reject with InvalidModificationError`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video', {sendEncodings: [{rid: "foo"}, {rid: "bar"}]});
+
+ const param = sender.getParameters();
+
+ const { encodings } = param;
+ assert_equals(encodings.length, 2);
+
+ encodings.pop();
+ assert_equals(param.encodings.length, 1);
+
+ return promise_rejects_dom(t, 'InvalidModificationError',
+ sender.setParameters(param));
+ }, `sender.setParameters() with removed encodings should reject with InvalidModificationError`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video', {sendEncodings: [{rid: "foo"}, {rid: "bar"}]});
+
+ const param = sender.getParameters();
+
+ const { encodings } = param;
+ assert_equals(encodings.length, 2);
+ encodings.push(encodings.shift());
+ assert_equals(param.encodings.length, 2);
+
+ return promise_rejects_dom(t, 'InvalidModificationError',
+ sender.setParameters(param));
+ }, `sender.setParameters() with reordered encodings should reject with InvalidModificationError`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video');
+
+ const param = sender.getParameters();
+
+ delete param.encodings;
+
+ return promise_rejects_js(t, TypeError,
+ sender.setParameters(param));
+ }, `sender.setParameters() with encodings unset should reject with TypeError`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video');
+
+ const param = sender.getParameters();
+
+ param.encodings = [];
+
+ return promise_rejects_dom(t, 'InvalidModificationError',
+ sender.setParameters(param));
+ }, `sender.setParameters() with empty encodings should reject with InvalidModificationError (video)`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('audio');
+
+ const param = sender.getParameters();
+
+ param.encodings = [];
+
+ return promise_rejects_dom(t, 'InvalidModificationError',
+ sender.setParameters(param));
+ }, `sender.setParameters() with empty encodings should reject with InvalidModificationError (audio)`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video', {
+ sendEncodings: [{ rid: 'foo' }, { rid: 'baz' }],
+ });
+
+ const param = sender.getParameters();
+ const encoding = param.encodings[0];
+
+ assert_equals(encoding.rid, 'foo');
+
+ encoding.rid = 'bar';
+ return promise_rejects_dom(t, 'InvalidModificationError',
+ sender.setParameters(param));
+ }, `setParameters() with modified encoding.rid field should reject with InvalidModificationError`);
+
+ /*
+ 5.2. setParameters
+ 8. If the scaleResolutionDownBy parameter in the parameters argument has a
+ value less than 1.0, abort these steps and return a promise rejected with
+ a newly created RangeError.
+ */
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video');
+
+ const param = sender.getParameters();
+ const encoding = param.encodings[0];
+
+ encoding.scaleResolutionDownBy = 0.5;
+ await promise_rejects_js(t, RangeError, sender.setParameters(param));
+ encoding.scaleResolutionDownBy = 0;
+ await promise_rejects_js(t, RangeError, sender.setParameters(param));
+ encoding.scaleResolutionDownBy = -1;
+ await promise_rejects_js(t, RangeError, sender.setParameters(param));
+ }, `setParameters() with encoding.scaleResolutionDownBy field set to less than 1.0 should reject with RangeError`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video');
+
+ let param = sender.getParameters();
+ const encoding = param.encodings[0];
+
+ delete encoding.scaleResolutionDownBy;
+ await sender.setParameters(param);
+ param = sender.getParameters();
+ assert_equals(param.encodings[0].scaleResolutionDownBy, 1.0);
+ }, `setParameters() with missing encoding.scaleResolutionDownBy field should succeed, and set the value back to 1`);
+
+ promise_test(async t => {
+ const pc = new RTCPeerConnection();
+ t.add_cleanup(() => pc.close());
+ const { sender } = pc.addTransceiver('video');
+
+ const param = sender.getParameters();
+ const encoding = param.encodings[0];
+
+ encoding.scaleResolutionDownBy = 1.5;
+ return sender.setParameters(param)
+ .then(() => {
+ const param = sender.getParameters();
+ const encoding = param.encodings[0];
+
+ assert_approx_equals(encoding.scaleResolutionDownBy, 1.5, 0.01);
+ });
+ }, `setParameters() with encoding.scaleResolutionDownBy field set to greater than 1.0 should succeed`);
+
+ test_modified_encoding('video', 'active', false, true,
+ 'setParameters() with encoding.active false->true should succeed (video)');
+
+ test_modified_encoding('video', 'active', true, false,
+ 'setParameters() with encoding.active true->false should succeed (video)');
+
+ test_modified_encoding('video', 'maxBitrate', 10000, 20000,
+ 'setParameters() with modified encoding.maxBitrate should succeed (video)');
+
+ test_modified_encoding('audio', 'active', false, true,
+ 'setParameters() with encoding.active false->true should succeed (audio)');
+
+ test_modified_encoding('audio', 'active', true, false,
+ 'setParameters() with encoding.active true->false should succeed (audio)');
+
+ test_modified_encoding('audio', 'maxBitrate', 10000, 20000,
+ 'setParameters() with modified encoding.maxBitrate should succeed (audio)');
+
+ test_modified_encoding('video', 'scaleResolutionDownBy', 2, 4,
+ 'setParameters() with modified encoding.scaleResolutionDownBy should succeed');
+
+</script>