[FFmpeg-devel] [PATCH 2/3] Add section describing the filtergraph.
Sat Nov 13 02:42:31 CET 2010
Stefano Sabatini wrote:
> On date Friday 2010-11-12 15:14:15 -0500, Mike Scheutzow encoded:
>> Michael Niedermayer wrote:
>>> On Fri, Nov 12, 2010 at 01:32:55AM +0100, Stefano Sabatini wrote:
>>>> doc/filters.texi | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>> 1 files changed, 86 insertions(+), 0 deletions(-)
>> Why do you want to have two such similar concepts: a FILTERCHAIN and
>> a FILTERGRAPH? Having both adds complexity and will increase user
>> confusion. I don't understand the benefit this gives us.
> It's not something which I did invented myself, I just took the
> implemented syntax and described it. Also what do you want to remove?
> A graph is not a list, so for describing it you need to specify each
> connected sequence (aka filterchain), the current syntax seems quite
> convenient to me, the alternative would be to label every link in each
If this is meant to answer my first question, I didn't understand your
Let me try a more concrete question:
Example 1. -vf "hflip, vflip"
Example 2. -vf "hflip; vflip"
Is there a functional difference between example 1 and example 2?
From reading your filter description, I believe the output of both
is exactly the same.
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