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# ACP_COMMAND_UPDATE_EQCOMP_CONTEXT

> ACP_COMMAND_UPDATE_EQCOMP_CONTEXT

# ACP\_COMMAND\_UPDATE\_EQCOMP\_CONTEXT

Command for updating an EQ/Comp context.

## Syntax

```cpp theme={null}
typedef struct ACP_COMMAND_UPDATE_EQCOMP_CONTEXT {  
    UINT32 contextIndex;  
    UINT32 updateMask;  
    APU_ADDRESS contextData;  
} ACP_COMMAND_UPDATE_EQCOMP_CONTEXT  
```

### Members

*contextIndex*\
Type: UINT32

Index of a context to update.

*updateMask*\
Type: UINT32

One or more update flags.

| Flag                                             | Value      |
| ------------------------------------------------ | ---------- |
| SHAPE\_EQCOMP\_UPDATE\_EQA\_COEFFICIENTS         | 0x00000001 |
| SHAPE\_EQCOMP\_UPDATE\_EQB\_COEFFICIENTS         | 0x00000002 |
| SHAPE\_EQCOMP\_UPDATE\_EQC\_COEFFICIENTS         | 0x00000004 |
| SHAPE\_EQCOMP\_UPDATE\_EQA\_COEFFICIENTS\_TARGET | 0x00000008 |
| SHAPE\_EQCOMP\_UPDATE\_EQB\_COEFFICIENTS\_TARGET | 0x00000010 |
| SHAPE\_EQCOMP\_UPDATE\_EQC\_COEFFICIENTS\_TARGET | 0x00000020 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_ATTACK              | 0x00000040 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_RELEASE             | 0x00000080 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_THRESHOLD           | 0x00000100 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_ONE\_OVER\_RATIO    | 0x00000200 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_GAIN                | 0x00000400 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_GAIN\_TARGET        | 0x00000800 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_ENABLE              | 0x00001000 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_LOG\_GAIN           | 0x00002000 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_EXPAND              | 0x00004000 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_SIDECHAIN\_MODE     | 0x00008000 |
| SHAPE\_EQCOMP\_UPDATE\_COMP\_MODE                | 0x00010000 |
| SHAPE\_EQCOMP\_UPDATE\_MASK                      | 0x0001ffff |

*contextData*\
Type: APU\_ADDRESS

Physical address of the context data to be updated. Refer to the [SHAPE\_EQCOMP\_CONTEXT](/reference/audio/shapeeqcompcontext/structs/shape_eqcomp_context) structure.

## Remarks

Used by `ACP_COMMAND_TYPE_UPDATE_EQCOMP_CONTEXT` to update the specified EQ/Comp context. See the [ACP\_COMMAND\_TYPE](/reference/audio/acphal/enums/acp_command_type) enumeration. The context cannot be updated if it is already in the command queue.

## Requirements

**Header:** acphal.h

**Supported platforms:** XBOX One family consoles and XBOX Series consoles

## Conceptual documentation

* [ACP overview](/build/console-features/audio/overviews/acp-overview)

## See also

[ACP\_COMMAND\_TYPE](/reference/audio/acphal/enums/acp_command_type)\
[SubmitCommand](/reference/audio/acphal/interfaces/IAcpHal/methods/iacphal_submitcommand)\
[AcpHal](/reference/audio/acphal/acphal_members)


## Related topics

- [ACP overview](/build/console-features/audio/overviews/acp-overview.md)
- [ACP_COMMAND_TYPE](/reference/audio/acphal/enums/acp_command_type.md)
- [ACP_COMMAND_LOAD_SHAPE_FLOWGRAPH](/reference/audio/acphal/structs/acp_command_load_shape_flowgraph.md)
- [AcpHal](/reference/audio/acphal/acphal_members.md)
- [ACP_COMMAND_UPDATE_EQCOMP_CONTEXT_ENTRY](/reference/audio/acphal/structs/acp_command_update_eqcomp_context_entry.md)