[FFmpeg-user] Timecode Burnin with negative start
bouke at videotoolshed.com
Thu Jun 20 01:53:43 CEST 2013
From: "betonpfeiler" <betonpfeiler at googlemail.com>
To: <ffmpeg-user at ffmpeg.org>
Sent: Thursday, June 20, 2013 12:59 AM
Subject: Re: [FFmpeg-user] Timecode Burnin with negative start
> Am 19.06.2013 00:16, schrieb Wayne Poll:
>> You could try starting the T/C at 23:59:56:00 :-)
>> Wayne Poll | Technical & IT Systems Manager |
>> NHNZ | 5 Melville Street, Dunedin 9016, New Zealand |
>> -----Original Message-----
>> From: ffmpeg-user-bounces at ffmpeg.org
>> [mailto:ffmpeg-user-bounces at ffmpeg.org] On Behalf Of betonpfeiler
>> Sent: Wednesday, 19 June 2013 10:07
>> Halle Everyone!
>> I need to make a timecodeburnin to a video and add a 4sek pre-roll. I was
>> able to do the burnin, but the timecode needs to be zero at the first
>> frame after the pre-roll. Is there any way to start the timecode at a
>> negative time and count up? So that the timecode starts at
>> "-00:00:04:00". Is that possible?
> I really liked that idea, simple yet elegant... sadly, ffmpeg keeps
> counting up, even at 99:59:56:00 ffmpeg jumps to 100:00:00:00...
> But thanks for the idea!
You could try Avisynth, perhaps you have better luck there.
What definitly would work (with a bit more hassle, use bitmaps with alpha
(perhaps using a conditional reader, or whatever you need to get them in the
correct order) and Avisynth.
Or, do it the traditional way, and put a leader clip before the show.
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