[FFmpeg-devel] [PATCH RFC] avformat/hls: check IV size inside EXT-X-KEY

Anton Khirnov anton at khirnov.net
Wed Apr 13 14:53:19 EEST 2022


Quoting Zhao Zhili (2022-04-12 10:27:50)
> IV should always be 128 bits. If the IV attribute was truncated
> inside EXT-X-KEY, padding on the left which is the same as when
> using sequence number as IV.
> ---
> I'm not sure which method is better: do padding or just return
> AVERROR_INVALIDDATA?

I would say return error, unless there are known buggy producers of
incomplete IVs that we want to support.

-- 
Anton Khirnov


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