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let videoFrameMap = new Map();
let encodedVideoChunkMap = new Map();
self.onmessage = (e) => {
if (e.data == 'create-VideoFrame') {
let frameOrError = null;
try {
frameOrError = new VideoFrame(
new Uint8Array([
1, 2, 3, 4, 5, 6, 7, 8,
9, 10, 11, 12, 13, 14, 15, 16,
]), {
timestamp: 0,
codedWidth: 2,
codedHeight: 2,
format: 'RGBA',
});
} catch (error) {
frameOrError = error
}
e.source.postMessage(frameOrError);
return;
}
if (e.data == 'create-EncodedVideoChunk') {
let chunkOrError = null;
try {
chunkOrError = new EncodedVideoChunk({
type: 'key',
timestamp: 0,
duration: 1,
data: new Uint8Array([2, 3, 4, 5])
});
} catch (error) {
chunkOrError = error
}
e.source.postMessage(chunkOrError);
return;
}
if (e.data.hasOwnProperty('videoFrameId')) {
e.source.postMessage(
videoFrameMap.get(e.data.videoFrameId) ? 'RECEIVED' : 'NOT_RECEIVED');
return;
}
if (e.data.hasOwnProperty('encodedVideoChunkId')) {
e.source.postMessage(
encodedVideoChunkMap.get(e.data.encodedVideoChunkId) ? 'RECEIVED' : 'NOT_RECEIVED');
return;
}
if (e.data.toString() == '[object VideoFrame]') {
videoFrameMap.set(e.data.timestamp, e.data);
return;
}
if (e.data.toString() == '[object EncodedVideoChunk]') {
encodedVideoChunkMap.set(e.data.timestamp, e.data);
}
};