webrtc-nv-use-cases
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Section 3.10.3: Feedback related to decoding pre-encoded media use case
Decoding of pre-encoded media can be done via either MSE or WebCodecs. It seems this use case is mainly based on the assumption that JS based processing via WebCodecs is not optimal for speedy processing and the WebRTC pipeline would be more efficient.
It would be good to have measurements to understand what perf improvements we are talking about and the shortcomings of MSE and/or WebCodecs are not fitting the bill. Is it possible this is only User Agent implementation issues?
This issue was mentioned in WEBRTCWG-2023-05-16 (Page 15)