[FFmpeg-user] Is this a bug? (2)

[Carl Eugen Hoyos]

Francois Visagie <francois.visagie <at> gmail.com> writes:

> 
> Hi All,
> 
> When using an audio bitstream filter 

In your command line you are not using a bitstream 
filter - which would allow to change a bitstream 
using -codec copy - but an audio filter, ...

> to change audio beginning timestamp, it does not take 
> effect when muxing copied streams, only when the 
> audio is also being re-encoded. Is this a bug?

... and all filters (including audio filters) can only 
work on actually processed data, not with -codec copy.

Carl Eugen