still no sound output -- bad API update install?
still no sound output -- bad API update install?
- Subject: still no sound output -- bad API update install?
- From: Scott Frankel <email@hidden>
- Date: Thu, 8 May 2003 22:49:22 -0700
I'm trying to determine why I don't get any sound output after
compiling and running the example app, DefaultOutputUnit.
Prior to installing the update to the CoreAudio API, the previous
version of that app produced a 440 tone. The current version
does not. Furthermore, if I recompile and run the previous
version, it STILL produces the tone.
This leads me to wonder if the update installation was completely
successful. i.e.: the example code has a modification date of
May 1, 2003. But the AudioToolbox and AudioUnit frameworks
both have mod dates from December 2002. Am I missing updated
pieces? I haven't been able to find a manifest on the Apple site,
so I don't know what the package was intended to contain.
Any suggestions? I'd like to get back to having fun!
The diagnostic output from the May 2003 example app follows.
Thanks in advance!
Scott
## Component Manager: attempting to find symbols in a component alias
of type (regR/carP/x!bt)
testing at 16 bits, with 2 channels, at 8000.000000Hz.
generating sin wave at 440.000000 Hz, 0.250000 amplitude
Rendering source:
SampleRate=8000.000000,BytesPerPacket=2,FramesPerPacket=1,BytesPerFrame=
2,BitsPerChannel=16,ChannelsPerFrame=2
Current Slice: inFrames=96, startingFrameCount=0
Expected 92 frames, was asked for 96
test has exited with status 255.
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