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ACP_COMMAND_UPDATE_SRC_CONTEXT

Command for updating a Sample Rate Convertor (SRC) context.

Syntax

Members

contextIndex
Type: UINT32
Index of a context to be updated. updateMask
Type: UINT32
One or more update flags. contextData
Type: APU_ADDRESS
Physical address of the context data to be updated. Refer to the SHAPE_SRC_CONTEXT structure.

Remarks

This structure is used by the ACP_COMMAND_TYPE_UPDATE_SRC_CONTEXT command. Use the command to update only a small number of contexts per audio frame; updating a large number of contexts is not efficient. See the Rendering audio section of Overview of ACP for more detail.

Requirements

Header: acphal.h Supported platforms: XBOX One family consoles and XBOX Series consoles

Conceptual documentation

See also

SHAPE_SRC_CONTEXT
ACP_COMMAND_TYPE
SubmitCommand
AcpHal
Last modified on August 20, 2026