Hello,
Thanks for your quick answer.
For points 2 and 3, in the example I gave - cut 2 parts of a video, ie
from minute 3 to 10 and from minute 21 to 32 and join them together to
have a 20 minutes video - it should be OK.
If I want to join 2 differents videos, point 3 has to be tested.
For point 1, I do not know what it means, and unfortunately I can't
help, I know nothing about programing.
I'll see the development of Pitivi, I prefer using only one soft to do
lots of things instead of many programs, each one for different action,
if it is possible, and also aim is to be close to Ubuntu default choices
because all programs interact together (it is specially true for
communication softs - mail, chat, notes, synchronizing, music etc... but
multimedia management also could be fine).
Best regards. Xavier
On 04/01/2010 11:44, Edward Hervey wrote:
Hi,
On Sun, 2010-01-03 at 22:29 +0100, Valeryan_24 wrote:
> I wonder if there is a very simple option, that I would miss if not :
>
> Is it possible to mix different videos with have exactly same dimensions
> and resolution : I mean just concatenate / join them, without rendering
> codecs.
>
> Ex: video A.avi, 8 minutes and video B.avi, 12 minutes (which can be 2
> parts exctracted of a global film)
>
> I want to join video A and B to one avi video file which would read A+B
> following automatically, for a total lenght of 20 minutes.
>
> In Avidemux for example, it is very easy : open video A, add video B,
> and register, it takes only a few seconds...
Currently rendering will decode and reencode all the files.
Rendering without decoding/encoding is only possible if:
(1) the source files are used from the beginning of a GOP (i.e. starts
with a keyframe) to the end of a GOP (i.e. just before a keyframe or at
the end of the file)
(2) AND no effects are applied (no volume modification, no alpha
modification, no blending, NOTHING)
(3) AND the source files are 100% the same (same codecs, same
width/heigh/bitrate/profile/level/depth,...)
It is planned.. but is not a top priority right now since to properly
implement this in PiTiVi you need detection of the above 3 requirements
(item 2 could be trivial, the other ones are a bit trickier).
One could write a simple tool for concatenation-only of files though
using gst-python, Jan Gerber (j^) wrote a script to concatenate parts of
qt/h264 files using GNonLin (without decoding) and it apparently worked
fine.
Edward
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