OT Exporting movie clip to stills

[stephen barncard]

It all depends on how much you want to customize your workflow, and how much
time it might take.

Also look into Apple-scriptablity of the app you might purchase. You could
use REV for a front end for that.

On 29 April 2010 07:14, Mark Swindell <mdswindell at cruzio.com> wrote:

> Hi Bernd,
>
> I'm actually looking for the capacity to take sections of sports video and
> break down specific techniques into a series of stills for on-paper
> analysis.  Your post illuminates the complexity of "dashing off" a method of
> doing so ("plodding along" would be more like it for me).  While the
> exercise would surely teach me a lot, in this case I'd much rather pay
> $25.00-50.00 for a fully functioning shareware or commercial program than
> invest hours and hours perfecting something that will still be imperfect and
> up to myself to maintain over time.
>
> For anyone else who might be interested, the following looks very
> promising, and for a very reasonable price tag of $26.00.  Unfortunately,
> Stuffit Expander won't unpack it correctly so I can't try it just yet.
>  Waiting to hear back from Tech Support.
>
> http://www.xilisoft.com/video-snapshot-mac.html
>
> Thank you, though, for your scripts and insight into a solution.
>
> Because of people like you and the other responders, this list just can't
> be beat.
>
> Mark
>
>
>
> On Apr 28, 2010, at 12:23 PM, BNig wrote:
>
> >
> > Mark,
> > is this one off or do you want to write a stack that does this
> repeatedly?
> > Is it ok to use apple script, i.e. Mac only? What system version do you
> use?
> > Do you have Quicktime Pro?
> > this is a little applescript that assumes your quicktime movie does only
> > have one track and that is the movie. It makes a selection in that movie
> and
> > copies the selection to a new document. Than it deletes all the frames
> > except every fifth. If you have Quicktime Pro you can export these frames
> as
> > image sequence manually. If you don't have Quicktime Pro I can see if I
> can
> > provide you with a preset file for exporting the images. You dont need
> the
> > Pro license to script and export from Quicktime Player.
> > Of course you can do all this from within Rev and take the selection of
> the
> > movie you manually make and send it as applescript to the Quicktime
> Player,
> > which opens the movie, selects what you have selected in Rev and does the
> > export. It is just a little more scripting.
> > If you want to go Jaque's way of exporting snapshots you have to make
> > assumptions about the framerate. Rev only gives you the duration and the
> > timescale. Usually quicktime movies have a timescale of 600, but not
> > necessarily so. At a timescale of 600 a duration of 1200 is 2 seconds
> worth
> > of movie. At a framerate of 25 that would be 50 frames. A single frame
> would
> > have the duration of 24. At a framerate of 30/sec the duration of an
> > individual frame would be 20. So assume you have a framerate of 30 you
> would
> > advance your currenttime by 30 to go to the next frame, or by 150 to
> advance
> > by 5 frames.
> > here is the applescript
> > ------------------------------
> > set tStart to 866
> > set tEnd to 1081
> >
> > tell application "QuickTime Player"
> >       set tName to name of document 1
> >       tell document tName
> >               set the selection start to tStart
> >               set the selection end to tEnd
> >               copy
> >       end tell
> >       set tSelectionDocName to "mySelection"
> >       make new document
> >       paste document 1
> >       set tSelectionDocName to name of document 1
> >       set tNoOfFrames to the number of frames of track 1 of document
> > tSelectionDocName
> >       repeat
> >               if tNoOfFrames = 0 then exit repeat
> >               if tNoOfFrames mod 5 ≠ 0 then delete frame tNoOfFrames of
> track 1 of
> > document tSelectionDocName
> >               set tNoOfFrames to tNoOfFrames - 1
> >       end repeat
> > end tell
> > ----------------------------
> > it also assumes that the movie you are interested in is the frontmost in
> > Quicktime Player.
> > regards
> > Bernd
> > --
> > View this message in context:
> http://runtime-revolution.278305.n4.nabble.com/OT-Exporting-movie-clip-to-stills-tp2069329p2073838.html
> > Sent from the Revolution - User mailing list archive at Nabble.com.
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-- 
-------------------------
Stephen Barncard
Back home in SF