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

Robert Krüger krueger at lesspain.de
Fri Nov 1 11:10:08 CET 2013


On Thu, Oct 31, 2013 at 11:41 PM, Timothy Gu <timothygu99 at gmail.com> wrote:
> 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.
>

+1


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