// ksmedia.h

typedef enum {
  KS_CAPTURE_ALLOC_INVALID,
  KS_CAPTURE_ALLOC_SYSTEM,
  KS_CAPTURE_ALLOC_VRAM,
  KS_CAPTURE_ALLOC_SYSTEM_AGP,
  KS_CAPTURE_ALLOC_VRAM_MAPPED,
  KS_CAPTURE_ALLOC_SECURE_BUFFER
} CAPTURE_MEMORY_ALLOCATION_FLAGS, *PCAPTURE_MEMORY_ALLOCATION_FLAGS;
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Windows Driver Kit DDI reference (ne-ksmedia-capture_memory_allocation_flags)

CAPTURE_MEMORY_ALLOCATION_FLAGS enumeration

Description

The CAPTURE_MEMORY_ALLOCATION_FLAGS enumeration defines types of memory surfaces to which AVStream minidrivers can capture audio and video data. The KSPROPERTY_PREFERRED_CAPTURE_SURFACE and KSPROPERTY_CURRENT_CAPTURE_SURFACE requests use this type to specify property values.

Constants

`KS_CAPTURE_ALLOC_INVALID`

Invalid memory surface.

`KS_CAPTURE_ALLOC_SYSTEM`

Not currently supported.

`KS_CAPTURE_ALLOC_VRAM`

Identifies a surface in display memory.

`KS_CAPTURE_ALLOC_SYSTEM_AGP`

Identifies a surface in system memory that is tagged as AGP accessible.

`KS_CAPTURE_ALLOC_VRAM_MAPPED`