Nils beat me to it. * Nils Millahn <[EMAIL PROTECTED]> wrote:
> I've just skimmed over this but it occurred to me that you could simply > set the framerate of the SWF to that of the frame-grabber, in which case > the millisecond values should correspond exactly to frames in the SWF. > That approach would remove any rounding issues you may have at the moment... > > > Jon Molesa wrote: > > I only skimmed this, but it may be useful to you. More so than my > > explaination > > > > http://www.science.uva.nl/ict/ossdocs/java/tutorial/ui/drawing/animLoop.html > > > > It talks about an animation loop. Appears to be java or js, but that's > > close enough to AS to gleen something useful maybe. > > > > * Seth Markowitz <[EMAIL PROTECTED]> wrote: > > > > > >> On 3/5/07, Jon Molesa <[EMAIL PROTECTED]> wrote: > >> > >>> Nice solution to a problem. Mind if I include this in the wip > >>> documentation as an example? > >>> > >> > >> what is the "wip" documentation? -- sure.. you can use the example in the > >> doc. > >> > >> > >> In either case, your issue isn't so much with swfmill as it is a > >> > >>> mathematical conversion from ms to fps. Is that a correct assessment? > >>> > >> > >> You're absolutely right. The real question here is what is a good formula > >> for converting milliseconds to frames. Right now I'm doing this in my perl > >> script: > >> > >> $fps = 15; > >> $frameNum = int($millisecondTimeStamp/1000 * $fps); > >> > >> > >> > >> My first thought is to decide on a fps rate that you'd like to have. > >> > >>> Then there _could_ be total of 1000 fps with the framegrabber. A fps of > >>> 12 fps is a good speed for the human eye I believe?? Double check on that. > >>> You'd have to figure out which block the captured frame fell into and > >>> place it > >>> in that frame. On a 12 second frame rate, 1 frame would contain > >>> 83.33ms. So you'd just have to figure out what which block the captured > >>> frame fell into. swfmill frame second1-frame1~=84ms, > >>> second1-frame2~=168ms... and so on. > >>> It's too early to come up with a formula, but maybe later, or maybe > >>> someone else can develop that. Anyway, I hope it helps and is close to > >>> correct. But that's the way I see it. > >>> > >>> * Seth Markowitz <[EMAIL PROTECTED]> wrote: > >>> > >>> > >>>> Hi, > >>>> > >>>> I'm a newbie to swfmill, but I did get it working for my purposes... I'm > >>>> just trying to figure out how to make it more efficient. Here is my > >>>> situation: > >>>> > >>>> Here's my inventory: > >>>> 1. I have 1000 jpg images taken from a vga frame grabber - NOT in frames > >>>> > >>> per > >>> > >>>> second... the timing is variable. For example, file1.jpg was grabbed at > >>>> 30ms, file2.jpg was grabbed at 400ms, file3.jpg at 410ms, an so on. The > >>>> > >>> time > >>> > >>>> starts from Time == 0ms when the frame grabber was turned on. > >>>> > >>>> 2. I have an XML file called capture.xml that contains the timestamp in > >>>> milliseconds for when each jpg was captured: > >>>> > >>>> <Capture> > >>>> <FileName>Slide_0020.jpg</FileName> > >>>> <SlideNumber>20</SlideNumber> > >>>> <CaptureTime>64174</CaptureTime> > >>>> </Capture> > >>>> <Capture> > >>>> <FileName>Slide_0021.jpg</FileName> > >>>> <SlideNumber>21</SlideNumber> > >>>> <CaptureTime>64869</CaptureTime> > >>>> </Capture> > >>>> > >>>> So.... > >>>> By putting all the jpg files together into a SWF via swfmill, I should > >>>> > >>> have > >>> > >>>> a fairly descent "flipbook" type animation. I've created a perl script > >>>> > >>> to > >>> > >>>> parse the capture.xml file and creates a swfml file that looks like > >>>> > >>> this: > >>> > >>>> <?xml version="1.0" encoding="iso-8859-1" ?> > >>>> <movie width="640" height="480" framerate="15"> > >>>> <background color="#ffffff"/> > >>>> <frame> > >>>> <!-- frame:0 ptime:54 --> > >>>> <library> > >>>> <clip id="image1" import="Slide_0001_Full_resize.jpg" /> > >>>> </library> > >>>> <place id="image1" name="myImage1" x="0" y="0" depth="1" /> > >>>> </frame> > >>>> <frame/><frame/><frame/><frame/><frame/><frame/><frame> > >>>> <!-- frame:6 ptime:408 --> > >>>> <library> > >>>> <clip id="image2" import="Slide_0002_Full_resize.jpg" /> > >>>> </library> > >>>> <place id="image2" name="myImage2" x="0" y="0" depth="2" /> > >>>> </frame> > >>>> <frame/><frame/><frame/><frame/><frame/><frame> > >>>> <!-- frame:11 ptime:752 --> > >>>> <library> > >>>> <clip id="image3" import="Slide_0003_Full_resize.jpg" /> > >>>> </library> > >>>> <place id="image3" name="myImage3" x="0" y="0" depth="3" /> > >>>> </frame> > >>>> > >>>> ..... > >>>> > >>>> Right now this is klunky because I'm trying to convert the millisecond > >>>> timestamp into frames per second. For example, if I want to run this > >>>> animation at 10fps, I know that the jpg captured at 100ms will appear in > >>>> frame 1 and so on (is that right??). So what happens in between each > >>>> frame... if file1.jpg is captures at 10seconds before file2.jpg, I just > >>>> stick (10x10) 100 <frame /> tags as filler in between the two > >>>> > >>> images. There > >>> > >>>> must be a better way than this. Also, since I'm converting from > >>>> milliseconds to frames per second... I think I'm losing a lot of > >>>> > >>> precision. > >>> > >>>> How could I create this "flipbook" effect, given the inventory above > >>>> > >>> using > >>> > >>>> swfmill simple? > >>>> > >>>> I think this is a pretty interesting problem and I really wanted to > >>>> > >>> thank > >>> > >>>> the creators of swfmill... it's a great solution to this type of > >>>> > >>> thing. I > >>> > >>>> was orginally trying to create an AVI file from this series of jpg > >>>> > >>> files, > >>> > >>>> but it got way too complicated for me. > >>>> > >>>> Looking forward to some suggestions!! > >>>> > >>>> Seth > >>>> > >>>> _______________________________________________ > >>>> swfmill mailing list > >>>> swfmill@osflash.org > >>>> http://osflash.org/mailman/listinfo/swfmill_osflash.org > >>>> > >>> -- > >>> Jon Molesa > >>> [EMAIL PROTECTED] > >>> > >>> _______________________________________________ > >>> swfmill mailing list > >>> swfmill@osflash.org > >>> http://osflash.org/mailman/listinfo/swfmill_osflash.org > >>> > >>> > > > > > >> _______________________________________________ > >> swfmill mailing list > >> swfmill@osflash.org > >> http://osflash.org/mailman/listinfo/swfmill_osflash.org > >> > > > > > > > > -- > ----------------------------------------------------------------------- > Nils Millahn > Internet Solutions - Design and Development - Flash Specialist > > T: +44 (0) 7909 528 617 > E: [EMAIL PROTECTED] > W: www.hub124.co.uk > > ======================================================================= > Notice of Confidentiality. > > This transmission is intended for the named recipient only. It contains > information which may be confidential and which may also be privileged. > Unless you are the named addressee (or authorised to receive it for the > addressee) you may not copy or use it, or disclose it to anyone else. > > It is the responsibility of the recipient to ensure that the forwarding, > opening or use of the e-mail (and any attachment) will not adversely > affect their system or data. Please carry out appropriate virus checks. > ======================================================================= > > > _______________________________________________ > swfmill mailing list > swfmill@osflash.org > http://osflash.org/mailman/listinfo/swfmill_osflash.org -- Jon Molesa Owner - Consoltec 336.844.4104 828.994.2067 866.433.0835 [EMAIL PROTECTED] http://www.consoltec.net _______________________________________________ swfmill mailing list swfmill@osflash.org http://osflash.org/mailman/listinfo/swfmill_osflash.org
