script-metadata-transform.https.html

<!doctype html>

<html>

    <head>

        <meta charset='utf-8'>

        <meta name='timeout' content='long'>

<script src='/resources/testharness.js'></script>

        <script src='/resources/testharnessreport.js'></script>

        <script src=/resources/testdriver.js></script>

<script src=/resources/testdriver-vendor.js></script>

<script src='../mediacapture-streams/permission-helper.js'></script>

    </head>

    <body>

        <video id='video1' autoplay></video>

        <script src ='routines.js'></script>

        <script>

async function waitForMessage(worker, data)

    while (true) {

        const received = await new Promise(resolve => worker.onmessage = (event) => resolve(event.data));

        if (data === received)

            return;

async function gatherMetadata(test, kind)

    worker = new Worker('script-metadata-transform-worker.js');

    const data = await new Promise(resolve => worker.onmessage = (event) => resolve(event.data));

    assert_equals(data, 'registered');

    // Both audio and vido are needed at one time or another

    // so asking for both permissions

    await setMediaPermission();

    const localStream = await navigator.mediaDevices.getUserMedia({[kind]: true});

    let sender, receiver;

    const senderTransform = new RTCRtpScriptTransform(worker, {name:'sender'});

    const receiverTransform = new RTCRtpScriptTransform(worker, {name:'receiver'});

    await new Promise((resolve, reject) => {

        createConnections(test, (firstConnection) => {

            pc1 = firstConnection;

            sender = firstConnection.addTrack(localStream.getTracks()[0], localStream);

            sender.transform = senderTransform;

        }, (secondConnection) => {

            pc2 = secondConnection;

            secondConnection.ontrack = (trackEvent) => {

                receiver = trackEvent.receiver;

                receiver.transform = receiverTransform;

                resolve(trackEvent.streams[0]);

};

});

        test.step_timeout(() => reject('Test timed out'), 5000);

});

    let senderBeforeWrite, senderAfterWrite, receiverBeforeWrite, receiverAfterWrite;

    while (true) {

        const {data} = await new Promise(r => worker.onmessage = r);

        if (data.name == 'sender') {

            senderBeforeWrite = data;

        } else if (data.name == 'receiver') {

            receiverBeforeWrite = data;

        } else if (data.name == 'sender after write') {

            senderAfterWrite = data;

        } else if (data.name == 'receiver after write') {

            receiverAfterWrite = data;

        if (senderBeforeWrite &&

            senderAfterWrite &&

            receiverBeforeWrite &&

            receiverAfterWrite) {

            return {

              senderBeforeWrite,

              senderAfterWrite,

              receiverBeforeWrite,

              receiverAfterWrite

};

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'audio');

    assert_equals(typeof data.senderBeforeWrite.timestamp, 'number');

    assert_not_equals(data.senderBeforeWrite.timestamp, 0);

    assert_equals(data.senderBeforeWrite.timestamp,

      data.senderAfterWrite.timestamp,

      'timestamp matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.timestamp,

      data.receiverBeforeWrite.timestamp,

      'timestamp matches (for sender and receiver)');

    assert_equals(data.receiverBeforeWrite.timestamp,

      data.receiverAfterWrite.timestamp,

      'timestamp matches (for receiver before and after write)');

}, 'audio metadata: timestamp');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'audio');

    assert_equals(typeof data.senderBeforeWrite.metadata.synchronizationSource, 'number');

    assert_not_equals(data.senderBeforeWrite.metadata.synchronizationSource, 0);

    assert_equals(data.senderBeforeWrite.metadata.synchronizationSource,

      data.senderAfterWrite.metadata.synchronizationSource,

      'ssrc matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.synchronizationSource,

      data.receiverBeforeWrite.metadata.synchronizationSource,

      'ssrc matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.synchronizationSource,

      data.receiverAfterWrite.metadata.synchronizationSource,

      'ssrc matches (for receiver before and after write)');

}, 'audio metadata: synchronizationSource');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'audio');

    assert_equals(typeof data.senderBeforeWrite.metadata.payloadType, 'number');

    assert_equals(data.senderBeforeWrite.metadata.payloadType,

      data.senderAfterWrite.metadata.payloadType,

      'payload type matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.payloadType,

      data.receiverBeforeWrite.metadata.payloadType,

      'payload type matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.payloadType,

      data.receiverAfterWrite.metadata.payloadType,

      'payload type matches (for receiver before and after write)');

}, 'audio metadata: payloadType');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'audio');

    assert_array_equals(data.senderBeforeWrite.metadata.contributingSources,

      data.senderAfterWrite.metadata.contributingSources,

      'csrcs are arrays, and match (for sender before and after write)');

    assert_array_equals(data.senderBeforeWrite.metadata.contributingSources,

      data.receiverBeforeWrite.metadata.contributingSources,

      'csrcs are arrays, and match');

    assert_array_equals(data.senderBeforeWrite.metadata.contributingSources,

      data.receiverAfterWrite.metadata.contributingSources,

      'csrcs are arrays, and match (for receiver before and after write)');

}, 'audio metadata: contributingSources');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'audio');

    assert_equals(typeof data.receiverBeforeWrite.metadata.sequenceNumber,

      'number');

    assert_equals(data.receiverBeforeWrite.metadata.sequenceNumber,

      data.receiverAfterWrite.metadata.sequenceNumber,

      'sequenceNumber matches (for receiver before and after write)');

    // spec says sequenceNumber exists only for incoming audio frames

    assert_equals(data.senderBeforeWrite.metadata.sequenceNumber, undefined);

    assert_equals(data.senderAfterWrite.metadata.sequenceNumber, undefined);

}, 'audio metadata: sequenceNumber');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_equals(typeof data.senderBeforeWrite.timestamp, 'number');

    assert_equals(data.senderBeforeWrite.timestamp,

      data.senderAfterWrite.timestamp,

      'timestamp matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.timestamp,

      data.receiverBeforeWrite.timestamp,

      'timestamp matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.timestamp,

      data.receiverAfterWrite.timestamp,

      'timestamp matches (for receiver before and after write)');

}, 'video metadata: timestamp');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_equals(typeof data.senderBeforeWrite.metadata.synchronizationSource,

      'number');

    assert_equals(data.senderBeforeWrite.metadata.synchronizationSource,

      data.senderAfterWrite.metadata.synchronizationSource,

      'ssrc matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.synchronizationSource,

      data.receiverBeforeWrite.metadata.synchronizationSource,

      'ssrc matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.synchronizationSource,

      data.receiverAfterWrite.metadata.synchronizationSource,

      'ssrc matches (for receiver before and after write)');

}, 'video metadata: ssrc');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_array_equals(data.senderBeforeWrite.metadata.contributingSources,

      data.senderAfterWrite.metadata.contributingSources,

      'csrcs are arrays, and match (for sender before and after write)');

    assert_array_equals(data.senderBeforeWrite.metadata.contributingSources,

      data.receiverBeforeWrite.metadata.contributingSources,

      'csrcs are arrays, and match');

    assert_array_equals(data.senderBeforeWrite.metadata.contributingSources,

      data.receiverAfterWrite.metadata.contributingSources,

      'csrcs are arrays, and match (for receiver before and after write)');

}, 'video metadata: csrcs');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_equals(typeof data.senderBeforeWrite.metadata.height, 'number');

    assert_equals(data.senderBeforeWrite.metadata.height,

      data.senderAfterWrite.metadata.height,

      'height matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.height,

      data.receiverBeforeWrite.metadata.height,

      'height matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.height,

      data.receiverAfterWrite.metadata.height,

      'height matches (for receiver before and after write)');

    assert_equals(typeof data.senderBeforeWrite.metadata.width, 'number');

    assert_equals(data.senderBeforeWrite.metadata.width,

      data.senderAfterWrite.metadata.width,

      'width matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.width,

      data.receiverBeforeWrite.metadata.width,

      'width matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.width,

      data.receiverAfterWrite.metadata.width,

      'width matches (for receiver before and after write)');

}, 'video metadata: width and height');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_equals(typeof data.senderBeforeWrite.metadata.spatialIndex,

      'number');

    assert_equals(data.senderBeforeWrite.metadata.spatialIndex,

      data.senderAfterWrite.metadata.spatialIndex,

      'spatialIndex matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.spatialIndex,

      data.receiverBeforeWrite.metadata.spatialIndex,

      'spatialIndex matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.spatialIndex,

      data.receiverAfterWrite.metadata.spatialIndex,

      'spatialIndex matches (for receiver before and after write)');

    assert_equals(typeof data.senderBeforeWrite.metadata.temporalIndex,

      'number');

    assert_equals(data.senderBeforeWrite.metadata.temporalIndex,

      data.senderAfterWrite.metadata.temporalIndex,

      'temporalIndex matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.temporalIndex,

      data.receiverBeforeWrite.metadata.temporalIndex,

      'temporalIndex matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.temporalIndex,

      data.receiverAfterWrite.metadata.temporalIndex,

      'temporalIndex matches (for receiver before and after write)');

}, 'video metadata: spatial and temporal index');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_array_equals(data.senderBeforeWrite.metadata.dependencies,

      data.senderAfterWrite.metadata.dependencies,

      'dependencies are arrays, and match (for sender before and after write)');

    assert_array_equals(data.senderBeforeWrite.metadata.dependencies,

      data.receiverBeforeWrite.metadata.dependencies,

      'dependencies are arrays, and match (for sender and receiver)');

    assert_array_equals(data.senderBeforeWrite.metadata.dependencies,

      data.receiverAfterWrite.metadata.dependencies,

      'dependencies are arrays, and match (for receiver before and after write)');

}, 'video metadata: dependencies');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_equals(typeof data.senderBeforeWrite.metadata.frameId, 'number');

    assert_equals(data.senderBeforeWrite.metadata.frameId,

      data.senderAfterWrite.metadata.frameId,

      'frameId matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.metadata.frameId,

      data.receiverBeforeWrite.metadata.frameId,

      'frameId matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.metadata.frameId,

      data.receiverAfterWrite.metadata.frameId,

      'frameId matches (for receiver before and after write)');

}, 'video metadata: frameId');

promise_test(async (test) => {

    const data = await gatherMetadata(test, 'video');

    assert_equals(typeof data.senderBeforeWrite.type, 'string');

    assert_true(data.senderBeforeWrite.type == 'key' || data.senderBeforeWrite.type == 'delta');

    assert_equals(data.senderBeforeWrite.type,

      data.senderAfterWrite.type,

      'type matches (for sender before and after write)');

    assert_equals(data.senderBeforeWrite.type,

      data.receiverBeforeWrite.type,

      'type matches (for sender and receiver)');

    assert_equals(data.senderBeforeWrite.type,

      data.receiverAfterWrite.type,

      'type matches (for receiver before and after write)');

}, 'video metadata: type');

        </script>

    </body>

</html>

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Test Info: Warnings