I agree with Mark here. 
Followed the issue now for a while and opened a similar (not went into this 
deep technical level) issue some time ago.

I guess it should be marked as a bug and - if possible - should be fixed. 
Thanks, Andreas



> Am 9. Jun 2017 um 10:44 schrieb Mark Burton <[email protected]>:
> 
> I appreciate I don't fully grasp the complexities or know the full story 
> here, but do you not think its fair to say this should be considered a major 
> ffmpeg bug or issue? It seems clear to me, and others, that the current .mov 
> muxer produces a file which is incompatible with Quicktime itself. AAC 
> priming in this container does not follow as advised and that appears to be 
> the main reason its breaks when decoded.
> 
> Going back to changing the file manually (after using aresample and asetpts 
> filters), I can get a file which decodes perfectly in Quicktime and VLC by 
> just changing the single value for duration in the sound edit list to match 
> the video track duration:
> 
> trak - Track
>       edts - Edits
>               elst - Edit List
>                       'segment duration’
> 
> This file also imports perfectly into Avid Media Composer, a first. The movie 
> header still shows an overlong duration, but that does not appear to affect 
> playback. Its really just a hack though.
> 
> Surely it would be preferable to have a permanent solution to this which did 
> not require the use of multiple audio filters and manual hacks to produce a 
> working file with AAC for Quicktime.
> 
> Many thanks for your patience with this, I know I’ve been banging on this 
> door for a few months, so I apologise for clogging up your inboxes. Its not 
> my intention to be accusatory, I’m genuinely trying to help improve the tool 
> as best I can. A re-engagement from the experts here would be hugely 
> appreciated and I will do all I can to help.
> 
> Mark
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