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R0STUB.SYS is the ring-0 half of the sync-stream-manager (SSM) that allows MMPM/2 to synchronize audio and video. Allows [[AUDIOSH.DLL]] to talk to audio drivers vis IDC entrypoint. In the beginning, all the streaming took place at ring-0. Later (Warp 3?), the audio streaming was moved to ring-3. The API still had to be maintained to audio driver. R0STUB is small piece of code that takes FIFOs buffers to/from MMPM/2 ring-3 audio stream handler and delivers them from/to the hardware vendor audio device driver.  
{{ProdS |V21=S|V22=S|V30=S|V31=S|V40=S|V45=S}}
R0STUB.SYS is the ring-0 half of the sync-stream-manager (SSM) that allows MMPM/2 to synchronize audio and video. Allows [[AUDIOSH.DLL]] to talk to audio drivers via IDC entry point. In the beginning, all the streaming took place at ring-0. Later (Warp 3?), the audio streaming was moved to ring-3. The API still had to be maintained to audio driver. R0STUB is small piece of code that takes FIFOs buffers to/from MMPM/2 ring-3 audio stream handler and delivers them from/to the hardware vendor audio device driver.


==Version==
==Version==
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!Date||Version||Size||Comments
!Date||Version||Size||Comments
|-
|-
|2001-07-26 13:59||14.075||7,252 bytes||
|2001-07-26||14.075||7,252 bytes||
|}
|}


==Config.sys Documentation==
==CONFIG.SYS==
  DEVICE=\MMOS2\R0STUB.SYS
  DEVICE=\MMOS2\R0STUB.SYS


'''Platform Support:'''
[[Category:Multimedia Device Drivers]]
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|Yes
|Yes
|Yes
|Yes
|}
[[Category:Drivers]][[Category:DEVICE Statements]]

Latest revision as of 20:40, 17 May 2019

Product Support
OS/2 1.3
OS/2 2.0
OS/2 2.1 S
OS/2 2.11 SMP S
OS/2 Warp 3 S
OS/2 Warp Connect S
OS/2 Warp 4 S
OS/2 Warp Server for e-Business S

R0STUB.SYS is the ring-0 half of the sync-stream-manager (SSM) that allows MMPM/2 to synchronize audio and video. Allows AUDIOSH.DLL to talk to audio drivers via IDC entry point. In the beginning, all the streaming took place at ring-0. Later (Warp 3?), the audio streaming was moved to ring-3. The API still had to be maintained to audio driver. R0STUB is small piece of code that takes FIFOs buffers to/from MMPM/2 ring-3 audio stream handler and delivers them from/to the hardware vendor audio device driver.

Version

Date Version Size Comments
2001-07-26 14.075 7,252 bytes

CONFIG.SYS

DEVICE=\MMOS2\R0STUB.SYS
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