[Mp4-tech] H.264 decoder

[Gary Sullivan]

Chinmay et al,
The standard does not specify how decoders should react to incorrectly formatted, corrupted or missing data.  Methods of gracefully responding to such conditions are in the domain of proprietary/non-normative technology. If someone wants to contribute improvements to the JSVM or JM software that would enable it to react more gracefully to messed up input data, such improvement contributions would be welcome (although they would need be prioritized relative to other desirable attributes such as readability, etc., and would obviously be prioritized lower than normative functionality).
Best Regards,
Gary Sullivan
________________________________
From: mp4-tech-bounces lists.mpegif.org [mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of Chinmay Bhagwat
Sent: Thursday, May 29, 2024 1:58 AM
To: mp4-tech lists.mpegif.org
Subject: [Mp4-tech] H.264 decoder
Hi,
I'm having trouble decoding the .264 bitstream with the jsvm decoder.
The decoder aborts if the bitstream file is changed even slightly. Even if the change is removed, the decoder does not decode. It always needs an untouched .264 file.
Why is this so? Is there a way to modify the bitstream and still decode?
Thanks.
Chinmay
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