single frame back-movement

Feature requests for VLC.
DavidRenshaw
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single frame back-movement

Postby DavidRenshaw » 07 Sep 2018 18:43

Could we please have a means of moving back a frame at a time. (The hotkey 'e' produces forward movement, so the obvious combination would be <shift>e ) At present we have to pause slightly before the desired frame, move forwards by leaning on the 'e' key, and almost always find we've moved just too far.

PS: Would it be possible to have a frame-count, i.e. hh:mm:ss/ff ? (Obviously a frame no. would only be helpful when paused).

TheCreepler
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Re: single frame back-movement

Postby TheCreepler » 28 Oct 2018 22:57

I 100% Agree, it would be vary helpful.
I hate going back a second just to miss the exact frame i wanted to screen shot : :x

Jean-Baptiste Kempf
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Re: single frame back-movement

Postby Jean-Baptiste Kempf » 16 Feb 2019 23:45

Maybe, it will come.
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DavidRenshaw
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Re: single frame back-movement

Postby DavidRenshaw » 07 Apr 2019 23:07

Jean-Baptiste,

In another thread on this topic (titled "reverse frame by frame") you - or it may have been Remi - outlined the difficulty of coding this feature. (as I understand it, the problem would be to provide & maintain large amounts of separate data buffering for an indeterminate number of frames that were no longer on display.) As a partial solution would it be possible for the hotkey functions "very short backwards jump" and "very short forwards jump" to have increments of, say, 0.1 seconds instead of the present integer values (1 sec minimum) ?
This would make it much quicker to arrive at the desired frame - typically three or four key-strokes. I suspect that coding would not be too difficult.

Regards, David.

mederi
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Re: single frame back-movement

Postby mederi » 10 Apr 2019 11:18


momotron2000
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Re: single frame back-movement

Postby momotron2000 » 07 Jun 2019 11:23

I would donate for this frame by frame feature to become better!

phnxgirl
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Re: single frame back-movement

Postby phnxgirl » 23 Jun 2019 02:11

Yes please! I would use this feature DAILY! Please add this feature! (A frame count would be helpful too, but less of a priority than have a one-frame back button/key

Chalisque
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Re: single frame back-movement

Postby Chalisque » 08 Nov 2024 19:59

I'm guessing that what the playback code needs to do is to cache the previous keyframe and any intermediate frame info between then and current.
When paused, there is plenty of time to grab surrounding keyframes, but a frame advance/frame rewind mode is different than what is desirable and
efficient for simple playback. But, yes, I would love frame advance/rewind in VLC. I would love OSC support*, and in particular being able to send
an OSC message with a 'skipby' message with a number of seconds or frames as the parameter or something. *While some things can be done via
telnet, sending a telnet message requires an entire telnet login procedure vs simply receiving a UDP packet.


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