This should be possible, but I'm not sure if you can achieve proper PTS with
ffmpeg only.
Try mkvmerge.
On 03/07/2016 02:29 PM, Robert Nagy wrote:
> I'm not suggesting to throw away the frames.
>
> Keep the frames but set an appropriate start time. That way the "trimmed"
> frames would be
Oops, see error correction below ...
www.macfh.co.uk/CEMH.html
> As Carl has pointed out, it is not possible just to throw
> away the leading frames, but what could be done, and would be
> very useful, is, where codec copying has been seleceted, to
> re-encode only the leading
I'm not suggesting to throw away the frames.
Keep the frames but set an appropriate start time. That way the "trimmed"
frames would be decoded but not displayed.
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Please see below ...
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> Is it possible to achieve frame accurate trimming of clips without
> transcoding?
>
> e.g. if I have a 50 fps file with a fixed gop of 50 frames
> and I'd like to
> trim the first 24 frames without transcoding. Shouldn't
Robert Nagy gmail.com> writes:
> if I have a 50 fps file with a fixed gop of 50 frames and
> I'd like to trim the first 24 frames without transcoding.
Sorry if I misunderstand:
If all frames from the second to 49th depend on the first
frame you cannot cut away the first 24 frames: It would
