This DDK includes the source code for the following audio drivers and libraries:
|
Driver or Library |
Location of Source Files |
|
User mode audio driver library |
\ddk\src\mmedia\drvlib |
|
Standard user-mode audio driver |
\ddk\src\mmedia\mmdrv |
|
Media Vision ProAudio Spectrum 16 driver |
\ddk\src\mmedia\mvaudio |
|
Creative Labs Sound Blaster driver |
\ddk\src\mmedia\sndblst |
|
Windows sound system driver |
\ddk\src\mmedia\sndsys |
|
Kernel-mode driver library |
\ddk\src\mmedia\soundlib |
|
Ad Lib and OPL3 MIDI synthesizer driver |
\ddk\src\mmedia\synth |
|
User-mode synthesizer driver library |
\ddk\src\mmedia\synthlib |
For the driver samples, code for both the user-mode and the kernel-mode driver is provided. Under the listed driver directory, a \dll subdirectory contains the user-mode driver sources, and a \driver subdirectory contains the kernel-mode driver sources.
Within this chapter frequent reference is made to the user-mode and kernel-mode drivers for the Creative Labs Sound Blaster card. The kernel-mode driver is sndblst.sys. Two user-mode drivers call sndblst.sys: the standard audio driver, mmdrv.dll, handles MIDI input and output operations; a customized driver, sndblst.dll, handles waveform, mixer, synthesizer, and auxiliary I/O operations.