Baptiste Coudurier <[email protected]> added the comment:

On 10/11/2010 08:25 AM, gialloporpora wrote:
>
> New submission from gialloporpora<[email protected]>:
>
> Using FFmpeg to extract an audio track from youtube video like m4a file sound
> very nasty.
> The problem seems to be a problem of ffmpeg to create the m4a container,  this
> is the comment of the fb2k developer:
> http://www.hydrogenaudio.org/forums/index.php?showtopic=84177
>
> «  This file was created using some kind of broken software and cannot be 
> played
> correctly due to nonsensical seeking / frame duration information present. 
> Other
> software that renders this correctly probably ignores the bad information at
> cost of inaccurate seeking. »

FLV container does not use a timebase accurate enough to represent AAC 
exact timings, when the timestamps are transposed, it makes the frames' 
duration varying.

This should be fixed, I'll think about it.

________________________________________________
FFmpeg issue tracker <[email protected]>
<https://roundup.ffmpeg.org/issue2293>
________________________________________________

Reply via email to