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Re: SGDataProc leads to error

This is a known bug in QTJava 5.0.2 , there is a fix for this problem in our
seed for QTJava. To get more info for joining the QTJava seed program mail
to email@hidden

thanks
anant
on 12/4/01 8:56 AM, zach lieberman at email@hidden wrote:

> thanks for all the help so far with SGDataProc. I've updated the SDK, so
> now I am able to access the interface.
>
> I followed this advice (adding SGDataProc to the SGCapture2Disk code)
> change line
>
> if (mFile != null) {
> mGrabber.setDataOutput(mFile,seqGrabToDisk);
> mGrabber.startRecord();
>
> to :
>
> if (mFile != null) {
> mGrabber.setDataProc(new MyDataProc());
> mGrabber.setDataOutput(mFile,seqGrabToDisk);
> mGrabber.startRecord();
>
>
> my SGDataProc is simply :
>
> static class MyDataProc implements SGDataProc
> {
> public MyDataProc(){
> System.out.println("hello world");
> }
>
> public int execute(SGChannel chan, QTPointerRef dataToWrite, int
> offset, int chRefCon, int time, int writeType)
> {
> System.out.println("gotem");
> return 0;
> }
> }
>
>
>
> after I hit record, this returns :
>
> hello world
> quicktime.app.sg.SGDrawer[quicktime.std.sg.SGVideoChannel@980017[type=sgch,sub
> Type=vide]],task,unrecoverable=false
> quicktime.QTRuntimeException[QTJava:5.0.1g3]-50=paramErr,QT.vers:5028000
> at quicktime.app.time.TaskThread.run(Compiled Code)
> at java.lang.Thread.run(Thread.java)
> quicktime.QTRuntimeException[QTJava:5.0.1g3]-50=paramErr,QT.vers:5028000
> at quicktime.app.time.TaskThread.run(Compiled Code)
> at java.lang.Thread.run(Thread.java)
>
>
> If I comment out the setDataProc() line, the code works again.
> I am wondering if I am doing something wrong with the mDrawer and
> tasking. If I can get data from SGDataProc, I don't really care about
> mDrawer. I would like simply to process the data and draw it to screen.
> the simplest task would be painting the frame rate on the data ala
> minimung.
>
>
>
> thanks again!
>
> z a c h
> _______________________________________________
> quicktime-java mailing list
> email@hidden
> http://www.lists.apple.com/mailman/listinfo/quicktime-java

References: 
 >SGDataProc leads to error (From: zach lieberman <email@hidden>)



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