[FFmpeg-devel] [PATCH] Revert "avformat/hls: fail on probing non hls/m3u8 file extensions"

[Anton Khirnov]

Quoting Michael Niedermayer (2023-05-14 23:39:44)
> On Sun, May 14, 2023 at 09:41:29PM +0200, Anton Khirnov wrote:
> > This reverts commit 6b1f68ccb04d791f0250e05687c346a99ff47ea1, which
> > broke many streams in the wild
> > 
> > Fixes #10353.
> 
> This change violates a SHOULD in rfc8216 4.  Playlists
> 
>    Each Playlist file MUST be identifiable either by the path component
>    of its URI or by HTTP Content-Type.  In the first case, the path MUST
>    end with either .m3u8 or .m3u.  In the second, the HTTP Content-Type
>    MUST be "application/vnd.apple.mpegurl" or "audio/mpegurl".  
>    
>    Clients SHOULD refuse to parse Playlists that are not so identified.
>    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> The commit message should mention the RFC and why it is not following the
> recommandition of not parsing such Playlists

It's been a longstanding project policy to try to process non-strictly
compliant files when possible.

And as I've said in the other thread (did not have time yet to reply
there, hopefully will soon), I don't think this is the place to enforce
such policies. The fact that you have to use NULL logging context is
by itself indicative of that.

-- 
Anton Khirnov