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Re: MovieAudioExtractionFillBuffer

Ahh, I changed it to an OSStatus type.
The error is still /0/0mt, ie the top two bytes are 0.
QT must be assigning the error to a short somewhere and losing part of the error I guess.

The only change I can see is that QT is now at 7.1.

Running on PPC 10.4.x and also on Intel 10.4.x using a variety of audio files.

Will try downgrading QT and see what happens.


On 11-Sep-06, at 2:26 PM, Brad Ford wrote:


On Sep 11, 2006, at 2:16 PM, Steve Israelson wrote:

28020

That looks like the lower 2 bytes of a core audio error code. They use 4 char codes as error codes. You aren't by chance using OSErr's instead of OSStatus'es, are you? The former are 2 bytes long. The latter are 4.

28020 is 'mt', which is probably the lower half of:

kAudioFormatUnknownFormatError 						= '!fmt'

Again, all guesswork at this point. Has anything else changed? Different machine byte order (ppc vs intel)? Different input file?

-Brad Ford
QuickTime Engineering


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