ACP_COMMAND_UPDATE_PCM_CONTEXT

Command for updating a PCM context.

Syntax

typedef struct ACP_COMMAND_UPDATE_PCM_CONTEXT {  
    UINT32 contextIndex;  
    UINT32 updateMask;  
    APU_ADDRESS contextData;  
} ACP_COMMAND_UPDATE_PCM_CONTEXT  

Members

contextIndex
Type: UINT32 Index of a context to be updated. updateMask
Type: UINT32 One or more update flags.

Flag	Value
SHAPE_PCM_UPDATE_BUFFER_START	0x00000001
SHAPE_PCM_UPDATE_BUFFER_LENGTH	0x00000002
SHAPE_PCM_UPDATE_FORMAT	0x00000004
SHAPE_PCM_UPDATE_MODE	0x00000008
SHAPE_PCM_UPDATE_READ_POINTER	0x00000010
SHAPE_PCM_UPDATE_LOOP_START_WRITE_POINTER	0x00000020
SHAPE_PCM_UPDATE_LOOP_END	0x00000040
SHAPE_PCM_UPDATE_LOOP_COUNT	0x00000080
SHAPE_PCM_UPDATE_FULL	0x00000100
SHAPE_PCM_UPDATE_MASK	0x000001ff

contextData
Type: APU_ADDRESS Physical address of the context data to be updated. Refer to the SHAPE_PCM_CONTEXT structure.

Remarks

This structure is used by the ACP_COMMAND_TYPE_UPDATE_PCM_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

ACP overview

(all) API references

Error codes

Audio API reference

Chat API reference

Developer kit only API reference

Graphics API reference

Input API reference

Lighting API reference

Networking API reference

XBOX PC remote iteration API reference

System API reference

Tools API reference

Windows device portal REST API reference

XBOX services API reference

MicrosoftGame.config reference

ACP_COMMAND_UPDATE_PCM_CONTEXT

ACP_COMMAND_UPDATE_PCM_CONTEXT

Syntax

Members

Remarks

Requirements

Conceptual documentation

See also

​ACP_COMMAND_UPDATE_PCM_CONTEXT

​Syntax

​Members

​Remarks

​Requirements

​Conceptual documentation

​See also

ACP_COMMAND_UPDATE_PCM_CONTEXT

Syntax

Members

Remarks

Requirements

Conceptual documentation

See also