> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# GameChat2 members (API contents)

> GameChat2 members

## Classes

| Class | Description |
| - | - |
| [chat\_manager](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_manager/chat_manager.md) | Provides management functionality for interacting with Game Chat 2. |
| [chat\_user](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_user/chat_user.md) | Represents an individual local or remote user that has been added to the local [chat\_manager](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_manager/chat_manager.md) instance. |
| [chat\_user\_local](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_user/chat_user_local/chat_user_local.md) | A subclass encapsulating the operations possible on local users only. |
| [post\_decode\_audio\_sink\_stream](https://docs.xbox.com/reference/chat/gamechat2/classes/post_decode_audio_sink_stream/post_decode_audio_sink_stream.md) | Represents the outbound-data side of the remote audio manipulation pipeline. |
| [post\_decode\_audio\_source\_stream](https://docs.xbox.com/reference/chat/gamechat2/classes/post_decode_audio_source_stream/post_decode_audio_source_stream.md) | Represents the inbound-data side of the remote audio manipulation pipeline. |
| [pre\_encode\_audio\_stream](https://docs.xbox.com/reference/chat/gamechat2/classes/pre_encode_audio_stream/pre_encode_audio_stream.md) | Represents the local audio manipulation pipeline. |

## Functions

| Function | Description |
| - | - |
| [game\_chat\_allocate\_memory\_callback](https://docs.xbox.com/reference/chat/gamechat2/functions/game_chat_allocate_memory_callback.md) | A callback invoked every time a new memory buffer must be dynamically allocated by the Game Chat library. |
| [game\_chat\_free\_memory\_callback](https://docs.xbox.com/reference/chat/gamechat2/functions/game_chat_free_memory_callback.md) | Represents a callback invoked every time a previously-allocated memory buffer is no longer needed by the Game Chat 2 library and can be freed. |

## Structures

| Structure | Description |
| - | - |
| [game\_chat\_audio\_format](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_audio_format.md) | Describes the format information needed to interpret Game Chat 2 audio data. |
| [game\_chat\_communication\_relationship\_adjuster\_changed\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_communication_relationship_adjuster_changed_state_change.md) | Represents information specific to the [game\_chat\_state\_change\_type::communication\_relationship\_adjuster\_changed](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_state_change_type.md) state change. |
| [game\_chat\_data\_frame](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_data_frame.md) | Represents information about outgoing Game Chat 2 data that must be delivered to remote Game Chat 2 endpoints. |
| [game\_chat\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_state_change.md) | Represents a generic, base structure for an event, change in state, or outgoing data. |
| [game\_chat\_stream\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_stream_state_change.md) | A generic, base structure representation of an event for audio manipulation streams. |
| [game\_chat\_text\_chat\_received\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_text_chat_received_state_change.md) | Represents information specific to the [game\_chat\_state\_change\_type::text\_chat\_received](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_state_change_type.md) state change. |
| [game\_chat\_text\_conversion\_preference\_changed\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_text_conversion_preference_changed_state_change.md) | Represents information specific to the [game\_chat\_state\_change\_type::text\_conversion\_preference\_changed](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_state_change_type.md) state change. |
| [game\_chat\_transcribed\_chat\_received\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_transcribed_chat_received_state_change.md) | Represents information specific to the [game\_chat\_state\_change\_type::transcribed\_chat\_received](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_state_change_type.md) state change. |

## Enumerations

| Enumeration | Description |
| - | - |
| [game\_chat\_audio\_encoding\_bitrate](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_audio_encoding_bitrate.md) | Defines the audio encoding bit rate that Game Chat 2 uses for generating outgoing audio packets. |
| [game\_chat\_audio\_manipulation\_mode\_flags](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_audio_manipulation_mode_flags.md) | Represents the requested audio manipulation feature status. |
| [game\_chat\_communication\_relationship\_adjuster](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_communication_relationship_adjuster.md) | Defines the extra adjustment steps applied by Game Chat 2 to a communication relationship that was previously set by calling [chat\_user\_local::set\_communication\_relationship](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_user/chat_user_local/methods/chat_user_local_set_communication_relationship.md). |
| [game\_chat\_communication\_relationship\_flags](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_communication_relationship_flags.md) | Defines the communication relationship between two users. |
| [game\_chat\_data\_transport\_requirement](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_data_transport_requirement.md) | Defines the data transport requirements for outgoing data. |
| [game\_chat\_sample\_type](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_sample_type.md) | Describes the data type that represents a single Game Chat 2 audio sample. |
| [game\_chat\_shared\_device\_communication\_relationship\_resolution\_mode](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_shared_device_communication_relationship_resolution_mode.md) | Defines how Game Chat 2 should resolve communication relationship conflicts for users that are on a shared device, such as Kinect. |
| [game\_chat\_speech\_to\_text\_conversion\_mode](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_speech_to_text_conversion_mode.md) | Defines the speech-to-text conversion modes available to Game Chat 2. |
| [game\_chat\_state\_change\_type](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_state_change_type.md) | Defines the types of [game\_chat\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_state_change.md) objects that can be reported by [chat\_manager::start\_processing\_state\_changes](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_manager/methods/chat_manager_start_processing_state_changes.md). |
| [game\_chat\_stream\_state\_change\_type](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_stream_state_change_type.md) | Defines the types of [game\_chat\_stream\_state\_change](https://docs.xbox.com/reference/chat/gamechat2/structs/game_chat_stream_state_change.md) objects that can be reported by [chat\_manager::start\_processing\_stream\_state\_changes](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_manager/methods/chat_manager_start_processing_stream_state_changes.md). |
| [game\_chat\_thread\_id](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_thread_id.md) | Defines the types of threads that Game Chat 2 uses for internal purposes. |
| [game\_chat\_user\_chat\_indicator](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_user_chat_indicator.md) | Defines the current chat status of a user in relationship to the local users. |


## Related topics

- [Class contents](https://docs.xbox.com/reference/chat/gamechat2/classes/chat_user/chat_user_local/chat_user_local.md)
- [Game chat2](https://docs.xbox.com/services/xbox-services/multiplayer/chat/game-chat2/index.md)
- [Chat API Reference (contents)](https://docs.xbox.com/reference/chat/gc-reference-chat-toc.md)
- [game_chat_sample_type](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_sample_type.md)
- [game_chat_thread_id](https://docs.xbox.com/reference/chat/gamechat2/enums/game_chat_thread_id.md)