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Forum Propose features backwards frame by frame

backwards frame by frame
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2:23 pm
April 26, 2011


Matti Pastell

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Post edited 2:24 pm – April 26, 2011 by Matti Pastell

Hi,
You can sort of do this with MPlayer, but it doesn't always jump back exactly one frame. What you do is you calculate the time position of the previous frame and jump to that position which gives you something like +-2 frames of accuracy with most codecs.

At some point I thought I'll try to support both MPlayer and VLC player, but then the VLC player python bindings changed and the code I have doesn't work with the new versions any more etc. so I'm not currently planning to support VLC.

The windows media player actually has very good API and can play some commercial codecs that MPLayer can't but using it would mean CowLog would work only in Windows.

9:30 pm
April 6, 2011


andyrobins

Gatton, Queensland, Australia

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I think that this is an excellent idea – backwards frame-by-frame is something I really need too: a full "jog-switch" capability would be brilliant. If not with MPlayer, perhaps VLC has this capability? I've had a quick search and I think that BSPlayer has this ability Others apparently include KMplayer, SMPlayer, VirtualDub and Media Player Classic-but I can only confirm the last 2 as I use them in Windows (and not GOM which I don't think is yet ported to Linux). Perhaps you might think of incorporating a feature to enable the CowLog user to choose their preferred player?

Cheers,
Andy

1:19 pm
July 27, 2010


Matti Pastell

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Post edited 1:19 pm – July 27, 2010 by Matti Pastell

Thanks for the suggestion. Thats actually not directly supported with MPlayer that CowLog uses for playback, but I'll try to see if there is a way around it. I agree that it would be a useful feature.

10:21 pm
July 20, 2010


behscience

Saint Louis

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The program currently has a button that allows you to forward through frame by frame. However, I often find that it would be useful to have one that goes backwards. I just miss a behavior, pause and then have to use the "jump to" feature. This takes me too far back. If I could frame backwards, this would be very helpful.

Thank you. I am happy with the software thus far.
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