You repeatedly call sourceBuffer.appendBuffer(data) to push chunks of (in our case, pre-decrypted) encoded audio data to the browser.
Resolution: 1920x1080 (3840x1080 for 3D)
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Фото: Александр Казаков / Коммерсантъ，更多细节参见heLLoword翻译官方下载
// Stateful transform with resource cleanup