Method decode

src/video_decoder.ts:226–248

* Queues an encoded video chunk to be decoded.

(chunk: EncodedVideoChunk)

	 * Queues an encoded video chunk to be decoded.
	 */
	decode(chunk: EncodedVideoChunk) {
		// Spec 4.5: If [[state]] is not "configured", throw an InvalidStateError.
		if (this._state !== 'configured') {
			throw new DOMException('Decoder is not configured', 'InvalidStateError');
		}

		// Spec 4.5: If [[key chunk required]] is true:
		if (this.keyChunkRequired) {
			// If chunk.type is not key, throw a DataError.
			if (chunk.type !== 'key') {
				throw new DOMException('Key frame required', 'DataError');
			}
			// Otherwise, assign false to [[key chunk required]].
			this.keyChunkRequired = false;
		}

		// Spec 4.5: Increment [[decodeQueueSize]].
		this._decodeQueueSize++;

		// Spec 4.5: Queue a control message to decode the chunk.
		this.decodeInternal(chunk)
			.catch(e => this.handleAsyncError(e));
	}

	private outputFrame(currentConfigId: number) {
		if (this.currentConfigId !== currentConfigId) {