Thread-topic: Custom Sequence Grabber Channel Problem: SGAddExtendedMovieData failing with memFullErr
User-agent: Microsoft-Entourage/11.3.3.061214
Hello all,
We've created a custom sequence grabber channel component, which handles the
capturing of video and audio over a network from our custom hardware device.
We've also developed a Final Cut Pro plugin which uses that sequence grabber
channel to import into Final Cut Pro.
All has been going well until we try to capture a very large amount of data
(IMX 50, 8 channels of audio). After our capture file reaches exactly 609.6
MB, our call to SGAddExtendedMovieData() for the eighth audio track fails
with a memFullErr. This problem happens on every Mac we've tested on, and
the file size is always 609.6MB when it fails. There is still plenty of hard
disk space available (>30GB on machine #1, and >140GB on machine #2). If I
instead try to record only 7 channels of audio, the problem does not occur.
We are using the 64 bit function AddMediaSampleReferences64(), as opposed to
its 32 bit counterpart.
Can anyone tell me what type of memory limit we might be encountering here?
Any other insights would also be appreciated.
Regards,
David
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