D3D12_VIDEO_ENCODER_COMPRESSED_BITSTREAM_NOTIFICATION_MODE enumeration (d3d12video.h)

Specifies the bitstream notification mode for a video encode operation.

Syntax

typedef enum D3D12_VIDEO_ENCODER_COMPRESSED_BITSTREAM_NOTIFICATION_MODE {
  D3D12_VIDEO_ENCODER_COMPRESSED_BITSTREAM_NOTIFICATION_MODE_FULL_FRAME,
  D3D12_VIDEO_ENCODER_COMPRESSED_BITSTREAM_NOTIFICATION_MODE_SUBREGIONS
} ;

Constants


`D3D12_VIDEO_ENCODER_COMPRESSED_BITSTREAM_NOTIFICATION_MODE_FULL_FRAME` The full frame encoding process is used. No subregion notifications are issued.
`D3D12_VIDEO_ENCODER_COMPRESSED_BITSTREAM_NOTIFICATION_MODE_SUBREGIONS` Subregion notification mode is enabled. The driver signals fences as individual subregions (for example, slices or tiles) complete, allowing the application to begin consuming results before the entire frame is encoded.

Remarks

Check for feature support using D3D12_VIDEO_ENCODER_SUPPORT_FLAGS before enabling subregion notification mode.

Requirements

Requirement	Value
Header	d3d12video.h

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Last updated on 2026-04-24