So, for QTJava for my Windows platform, what format do you suggest to make things seamless in terms of workflow? I'd like to just dump a file from a camera onto my laptop and then be able to view it using QTJava. As an aside, I also want to do some manipulation of the video frames in MATLAB. So, the IDEAL solution would be a format that eliminates the need for me to run video converters on the source for these various applications. Any ideas? This could help me decide which camcorder video technology to go with.
Thanks,
-Tom Polk
Alex Shaykevich <email@hidden>
Alex Shaykevich <email@hidden>
Sent by: quicktime-java-bounces+tpolk=email@hidden
06/02/2008 09:40 AM
To
Andrea Barbieri <email@hidden>, email@hidden
cc
Subject
Re: How do I view MPEG-4 files in my QTJ Java app?
Yes, of course you're right.
Andrea Barbieri <email@hidden> wrote:
Hi,
Alex Shaykevich wrote:
> I second Andrea's suggestion. Your only real hope is that the software
> for playing the EX1 files also installs a Quicktime plugin that allows
> playback. From what I know about that camera, I know there is a Final
> Cut software pack that will allow editing in EX1 files in FCP. Since
> FCP is built on top of Quicktime, there may be a little hope.
that would be a MacOS X only potential solution... no luck for the
Windows environment quite likely.
andrea
>
> BTW, how are you liking that camera? I've been very interested in it,
> the only major downside being lack of an SD shooting mode.
>
> Good luck.
>
> --Alex
>
> */Thomas E Polk /* wrote:
>
> I recently took some sample video that produced an MPEG-4 video
> format file (I was using a Sony XDCam EX that shoots in either 1080i
> or 720p high definition with various frame rates). When I try to
> load the file into my simple QTJava player, I get the following error:
>
> quicktime.std.StdQTException[QTJava:7.4.0g],-2010=invalidMovie,QT.vers:7408000
> at quicktime.std.StdQTException.checkError(_StdQTException.java:38_)
> at quicktime.std.movies.Movie.fromFile(_Movie.java:202_)
> at quicktime.std.movies.Movie.fromFile(_Movie.java:165_)
> at tom.tennis.view.SimpleQTPlayer.(_SimpleQTPlayer.java:35_)
> at tom.tennis.view.SimpleQTPlayer.main(_SimpleQTPlayer.java:75_)
>
> Here is the relevant code:
>
> ...
> QTSession./open/();
>
> // get movie from file
> File f = getMovieFile();
> OpenMovieFile omFile =
> OpenMovieFile./asRead/ (*new* QTFile (f));
> movie = Movie./fromFile/ (omFile); <-- This is the line where the
> error is thrown
> mController = *new* MovieController(movie);
> ...
>
> I am able to play these same files in a free player I downloaded
> after I also downloaded an mpeg4 codec. I am somewhat under-educated
> in all this codec business. My basic question is, is there a way to
> get my program to now play these files (perhaps some new codec or
> some libraries I would need to install and somehow reference from my
> program)? Or, will I have to just find a converter to convert the
> MP4 files to something QTJava can already read?
>
> Thanks in advance for any insight.
>
> - Tom Polk
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