I'm using the code below to get the Left and Right Channel values of an audio
file: in Classic theLeft and theRight (see below) rightly return different
values, for instance 60 and 110; but in OS 10.4 the two values are ALWAYS the
same.
Any suggestion/correction to the following snippet?
Thanks,
--------
the constant kQuickTimeLib is as follows:
Classic: QuickTimeLib
PEF: Apple;Carbon;Multimedia
Mach-O: /System/Library/Frameworks/QuickTime.framework/Quicktime
dim theLeft,theRight as integer
GetSLMInfo(theLeft,theRight)
Sub GetSLMInfo(ByRef leftCh As Integer, ByRef rightCh As Integer)
Dim Err as Integer
Dim levelInfo as MemoryBlock
levelInfo = NewMemoryBlock(4)
Declare Function MediaGetSoundLevelMeterInfo Lib kQuickLib (mh as Integer,
levelInfo as Ptr) as Integer
Err=MediaGetSoundLevelMeterInfo(GetMediaHandler(1),levelInfo)
If Err>=0 then
leftCh=levelInfo.byte(2)
rightCh=levelInfo.byte(3)
end if
End Sub
--
Carlo
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