Need help deciding what kind of driver is most appropriate
Need help deciding what kind of driver is most appropriate
- Subject: Need help deciding what kind of driver is most appropriate
- From: "Nick Hebner" <email@hidden>
- Date: Fri, 18 Aug 2006 10:19:18 -0700
I am developing an application which will allow control of audio streams for each running application that has any from a central location. For instance, volume could be controlled in iTunes from my application. To accomplish this, I want to create a driver which will just pass audio data through it to the real audio drivers, but will be modified first by my driver in some way. My driver needs to communicate with my application all audio streams that are open, and provide mechanisms for controlling them. I have a few questions about how I should implement this.
1. What type of driver would be most appropriate for this, a regular IOAudioDevice driver, or a HAL plugin?
2. How can I pass data from my driver to the real audio drivers?
3. How does an application communicate with the global instance of a driver (IOServiceOpen? Custom properties?)?
Thanks,
Nick Hebner
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