[FFmpeg-user] Controlling Numbering of Extracted Still Frames?

[Christoph Gerstbauer]

Am 14.06.14 12:05, schrieb Moritz Barsnick:
> Hi Sam,
>
> On Fri, Jun 13, 2014 at 20:24:04 -0400, Sam Logan wrote:
>> When you convert a video to still frames via:
>> ffmpeg -i "Foobar.mp4" "Frame%05d.png"
> [...]
>> How can I get FFmpeg to instead number the outputted files starting at
>> some other value besides 1, such as 0?
> What you are creating implies the "image2" muxer. Check its documentation:
> https://www.ffmpeg.org/ffmpeg-formats.html#image2-1
>
> So this should do the right thing for you:
> ffmpeg -i "Foobar.mp4" -f image2 -start_number 0 "Frame%05d.png"
>
> And in this case, you can continue to omit the implicit muxer:
> ffmpeg -i "Foobar.mp4" -start_number 0 "Frame%05d.p
>
> P.S.: Despite being a programmer, it often riddles me why anyone would
>        like to start counting with 0. ;-)
>

Hi Moritz, I think because the timecode of the first frame of film and 
video content is also starting with frame "00" (e.g. 10:00:00:00)

bg Christoph