Re: Vu-meter
Re: Vu-meter
- Subject: Re: Vu-meter
- From: Todd Freese <email@hidden>
- Date: Tue, 2 Aug 2005 12:14:25 -0500
I have not run into this. However, there is something in this QTKit FAQ:
http://developer.apple.com/technotes/tn2005/tn2138.html
Check out the first issue.
Todd
On Aug 2, 2005, at 11:38 AM, Philip Dow wrote:
Check out Apples WhackedTV example. It has a VU meter example in it.
Todd Freese
The Filmworkers Club
Todd. Thanks for this link. I've been looking for ages for a vu
meter example that I could understand. Last night I downloaded the
code and hacked my way through it, managing to incorporate the vu
meter and other audio settings options into my app. I've run into a
problem though.
I can sample incoming audio and write it to disk as a movie. I can
preview this movie in finder and I can load it in quicktime without
any problems, so I know it's a valid movie. However, when I try to
load the file into QTKit's QTMovie and either play it or export the
audio as an aiff, I run into problems. The movie seems to load, but
I can't do anything with it. Any experience with this?
-Phil
Am 01.08.2005 um 23:20 schrieb Todd Freese:
On Aug 1, 2005, at 3:51 PM, Sanri Parov wrote:
On Mon, 01 Aug 2005 16:26:49 -0400, Douglas A. Welton wrote:
I think that NSLevelIndicator be a better choice for what you
are trying to
accomplish... or you can easily drawn your own using the
QuickTime functions
for metering sound levels and frequencies.
Hmmm... NSLevelIndicator? I can't find it out on 10.3.9.
Maybe is just in Tiger?
BTW, do you please have any kinda clue on using the QuickTime
functions
you sayd?
I haven't ever coded anything on QT and I just need a snippet of
code
(even in the public domain) or something really illuminating.
Thanks again
--
Sanri Parov
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