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<!DOCTYPE html>
<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>
<script src="../webrtc/RTCPeerConnection-helper.js"></script>
<script src="../service-workers/service-worker/resources/test-helpers.sub.js"></script>
<script src='./helper.js'></script>
<script>
"use strict";
promise_test(async t => {
const senderReader = await setupLoopbackWithCodecAndGetReader(t, 'VP8');
const result = await senderReader.read();
const metadata = result.value.getMetadata();
// TODO(https://crbug.com/webrtc/14709): When RTCEncodedVideoFrame has a
// constructor, create a new frame from scratch instead of cloning it to
// ensure that none of the metadata was carried over via clone(). This would
// allow us to be confident that setMetadata() is doing all the work.
//
// At that point, we can refactor the clone() implementation to be the same as
// constructor() + set data + setMetadata() to ensure that clone() cannot do
// things that are not already exposed in JavaScript (no secret steps!).
const clone = result.value.clone();
clone.setMetadata(metadata);
const cloneMetadata = clone.getMetadata();
// Encoding related metadata.
assert_equals(cloneMetadata.frameId, metadata.frameId, 'frameId');
assert_array_equals(cloneMetadata.dependencies, metadata.dependencies,
'dependencies');
assert_equals(cloneMetadata.width, metadata.width, 'width');
assert_equals(cloneMetadata.height, metadata.height, 'height');
assert_equals(cloneMetadata.spatialIndex, metadata.spatialIndex,
'spatialIndex');
assert_equals(cloneMetadata.temporalIndex, metadata.temporalIndex,
'temporalIndex');
assert_equals(cloneMetadata.frameType, metadata.frameType,
'frameType');
// RTCEncodedVideoFrameAdditionalMetadata-only fields.
assert_array_equals(cloneMetadata.decodeTargetIndications,
metadata.decodeTargetIndications,
'decodeTargetIndications');
assert_equals(cloneMetadata.isLastFrameInPicture,
metadata.isLastFrameInPicture, 'isLastFrameInPicture');
assert_equals(cloneMetadata.simulcastIdx, metadata.simulcastIdx,
'simulcastIdx');
assert_equals(cloneMetadata.codec, metadata.codec, 'codec');
// VP8-specifics.
assert_equals(cloneMetadata.codecSpecifics.nonReference,
metadata.codecSpecifics.nonReference,
'codecSpecifics.nonReference');
assert_equals(cloneMetadata.codecSpecifics.pictureId,
metadata.codecSpecifics.pictureId, 'codecSpecifics.pictureId');
assert_equals(cloneMetadata.codecSpecifics.tl0PicIdx,
metadata.codecSpecifics.tl0PicIdx, 'codecSpecifics.tl0PicIdx');
assert_equals(cloneMetadata.codecSpecifics.temporalIdx,
metadata.codecSpecifics.temporalIdx,
'codecSpecifics.temporalIdx');
assert_equals(cloneMetadata.codecSpecifics.layerSync,
metadata.codecSpecifics.layerSync, 'codecSpecifics.layerSync');
assert_equals(cloneMetadata.codecSpecifics.keyIdx,
metadata.codecSpecifics.keyIdx, 'codecSpecifics.keyIdx.');
assert_equals(cloneMetadata.codecSpecifics.partitionId,
metadata.codecSpecifics.partitionId,
'codecSpecifics.partitionId');
assert_equals(cloneMetadata.codecSpecifics.beginningOfPartition,
metadata.codecSpecifics.beginningOfPartition,
'codecSpecifics.beginningOfPartition');
// RTP related metadata.
// TODO(https://crbug.com/webrtc/14709): This information also needs to be
// settable but isn't - the assertions only pass because clone() copies them
// for us. It would be great if different layers didn't consider different
// subset of the struct as "the metadata". Can we consolidate into a single
// webrtc struct for all metadata?
assert_equals(cloneMetadata.synchronizationSource,
metadata.synchronizationSource, 'synchronizationSource');
assert_array_equals(cloneMetadata.contributingSources,
metadata.contributingSources, 'contributingSources');
assert_equals(cloneMetadata.payloadType, metadata.payloadType, 'payloadType');
}, "[VP8] setMetadata() carries over codec-specific properties");
</script>
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