Kernel-Mode Video Transport Callback Functions
The following table lists the kernel-mode video transport callback functions that are implemented in a video miniport driver.
DxApi Callback Function | Description |
---|---|
Bobs the next field of interleaved data. |
|
Indicates to the miniport driver which IRQs should be enabled or disabled. |
|
Flips the overlay. |
|
Flips the video port extensions (VPE) object. |
|
Determines which surface is receiving the current field of video data for capture purposes. |
|
Indicates that the driver manages the interrupt request. |
|
Returns the polarity (even or odd) of the current field being written by the VPE object. |
|
Determines which surface received the previous field of video data for capture purposes. |
|
Determines which hardware bus master completed. |
|
Locks the frame buffer so that it can be accessed. |
|
Switches from bob mode to weave mode, and vice versa. |
|
Skips or reenables the next field. |
|
Bus masters data from a surface to the buffer specified in the memory descriptor list (MDL). |
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