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<!doctype html>
<meta charset=utf-8>
<title>Timestamps in RTCEncodedFrame metadata</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webrtc/RTCPeerConnection-helper.js"></script>
<script src="RTCEncodedFrame-timestamps-helper.js"></script>
<script>
'use strict';
function doWork() {
onrtctransform = async e => {
const reader = e.transformer.readable.getReader();
const writer = e.transformer.writable.getWriter();
for (let i = 0; i<10; i++) {
const frameOrDone = await reader.read();
if (frameOrDone.done) {
self.postMessage("Unexpected end of stream");
return;
}
const originalFrame = frameOrDone.value;
const originalMetadata= originalFrame.getMetadata();
const newFrame = new RTCEncodedVideoFrame(originalFrame, {metadata: originalMetadata});
await writer.write(newFrame);
}
self.postMessage("OK");
};
}
async function testAudioFrameConstructor(t, enableAbsCaptureTime, enableForSenderFrames) {
const worker = new Worker(`data:text/javascript,(${doWork.toString()})()`);
const workerPromise = new Promise((resolve, reject) => {
worker.onmessage = t.step_func(message => {
if (message.data == "OK") {
resolve();
} else {
reject(message.data);
}
});
});
await initiateCall(
t, /*streamOptions=*/{audio: false, video: true},
/*enableAbsCaptureTime=*/enableAbsCaptureTime, worker, /*enableSenderTransform=*/enableForSenderFrames,
/*enableReceiverTransform=*/!enableForSenderFrames);
return workerPromise;
}
promise_test(async t => {
return testAudioFrameConstructor(t, /*enableAbsCaptureTime=*/false, /*enableForSenderFrames=*/false)
}, 'Constructing a new receiver audio frame explicitly using metadata from an existing frame works');
promise_test(async t => {
return testAudioFrameConstructor(t, /*enableAbsCaptureTime=*/false, /*enableForSenderFrames=*/true)
}, 'Constructing a new sender audio frame explicitly using metadata from an existing frame works');
promise_test(async t => {
return testAudioFrameConstructor(t, /*enableAbsCaptureTime=*/true, /*enableForSenderFrames=*/false)
}, 'Constructing a new receiver audio frame explicitly using metadata from an existing frame works, absCaptureTime extension enabled');
promise_test(async t => {
return testAudioFrameConstructor(t, /*enableAbsCaptureTime=*/true, /*enableForSenderFrames=*/true)
}, 'Constructing a new sender audio frame explicitly using metadata from an existing frame works, absCaptureTime extension enabled');
</script>