Partially transcode big file

Questions and answers on how to get the most out of FFAStrans
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movalex
Posts: 36
Joined: Thu Feb 06, 2020 2:23 pm

Partially transcode big file

Post by movalex »

Hi!
I'm doing some test rendering, is it possible to partially transcode input file with FFAStrans?
With ffmpeg I use -t ans -ss options for this.
emcodem
Posts: 1811
Joined: Wed Sep 19, 2018 8:11 am

Re: Partially transcode big file

Post by emcodem »

Hi @molavex

welcome to the forum and thank you for using ffastrans!

You can try the Api_Set_In_outpoint.xml example workflow, just ignore what the thread is about, you don't need to use any api stuff for it.
viewtopic.php?f=5&t=849&p=3586&hilit=cut#p3586

The first processor lets you safely set in and outpoint.

The middle processor is a custom avisynth which takes the variables that you set inn the first processor and instructs avisynth to cut the file as you wish.
emcodem, wrapping since 2009 you got the rhyme?
momocampo
Posts: 595
Joined: Thu Jun 08, 2017 12:36 pm
Location: France-Paris

Re: Partially transcode big file

Post by momocampo »

Hello Movalex,

You can also use a custom ffmpeg node and just type :

Code: Select all

-ss 5 -to 10 -vcodec copy -acodec copy 
Replace "5" and "10" by what you want.
Add %s_original_ext% in extension box to keep your original extension.

To resume :

Monitor folder>custom ffmpeg>delivery node.

Hope this helps.

;)

Benjamin
movalex
Posts: 36
Joined: Thu Feb 06, 2020 2:23 pm

Re: Partially transcode big file

Post by movalex »

Oh, thanks, guys!
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