[FFmpeg-devel] -vf copy does transcode rather than copy

[Timothy Gu]

On Oct 31, 2013 12:53 PM, "Robert Krüger" <krueger at lesspain.de> wrote:
>
> On Thu, Oct 31, 2013 at 7:38 PM, compn <tempn at twmi.rr.com> wrote:
> > On Thu, 31 Oct 2013 11:35:34 -0600, Michael Bradshaw wrote:
> >>On Thu, Oct 31, 2013 at 11:28 AM, David Favor <david at davidfavor.com>
wrote:
> >>
> >>> Maybe I'm missing something.
> >>>
> >>> The copy filter states...
> >>>    Copy the input source unchanged to the output. Mainly useful for
> >>> testing purposes.
> >
> > imo we shouldnt even document test/debug filters.
> > it ONLY causes users to try them and have trouble...
> >
>
> No, there are people out there who are not ffmpeg devs who do debug
> filter chains and know what they are doing and taking away the docs
> would hurt them plus new developers who try to find their way around.
> I'd prefer trying to make it clear in the text what they are for and
> then live with the remaining misunderstandings. Just my 2c.

Yeah. But in the doc debug filters/de/muxers/codecs should be clearly
marked as such.

Timothy