WAV_IOControl Messages and Parameter Structures (Windows CE 5.0)

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The Unified Audio Model (UAM) has I/O control code (IOCTL) values and message parameters. These support the hardware mixer middleware extensions to the wave audio streaming driver model.

The following are the WAV_IOControl values and messages.

  • Hardware Mixer

    dwcode = IOCTL_MIX_MESSAGE

    pBufIn = pointer to MMDRV_MESSAGE_PARAMS

    dwLenIn = sizeof(MMDRV_MESSAGE_PARAMS)

    The remaining WAV_IOControl parameters are the same as those found in IOCTL_WAV_MESSAGE in the previous versions of the OS.

The messages and their related structures are specified in Audio Mixer Messages.

See Also

Unified Audio Model

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