> ## Documentation Index > Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt > Use this file to discover all available pages before exploring further. # GameChat2 members > GameChat2 members # GameChat2 members ## Classes | Class | Description | | ---------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [chat\_manager](/reference/chat/gamechat2/classes/chat_manager/chat_manager) | Provides management functionality for interacting with Game Chat 2. | | [chat\_user](/reference/chat/gamechat2/classes/chat_user/chat_user) | Represents an individual local or remote user that has been added to the local [chat\_manager](/reference/chat/gamechat2/classes/chat_manager/chat_manager) instance. | | [chat\_user\_local](/reference/chat/gamechat2/classes/chat_user/chat_user_local/chat_user_local) | A subclass encapsulating the operations possible on local users only. | | [post\_decode\_audio\_sink\_stream](/reference/chat/gamechat2/classes/post_decode_audio_sink_stream/post_decode_audio_sink_stream) | Represents the outbound-data side of the remote audio manipulation pipeline. | | [post\_decode\_audio\_source\_stream](/reference/chat/gamechat2/classes/post_decode_audio_source_stream/post_decode_audio_source_stream) | Represents the inbound-data side of the remote audio manipulation pipeline. | | [pre\_encode\_audio\_stream](/reference/chat/gamechat2/classes/pre_encode_audio_stream/pre_encode_audio_stream) | Represents the local audio manipulation pipeline. | ## Functions | Function | Description | | ---------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------- | | [game\_chat\_allocate\_memory\_callback](/reference/chat/gamechat2/functions/game_chat_allocate_memory_callback) | A callback invoked every time a new memory buffer must be dynamically allocated by the Game Chat library. | | [game\_chat\_free\_memory\_callback](/reference/chat/gamechat2/functions/game_chat_free_memory_callback) | 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](/reference/chat/gamechat2/structs/game_chat_audio_format) | Describes the format information needed to interpret Game Chat 2 audio data. | | [game\_chat\_communication\_relationship\_adjuster\_changed\_state\_change](/reference/chat/gamechat2/structs/game_chat_communication_relationship_adjuster_changed_state_change) | Represents information specific to the [game\_chat\_state\_change\_type::communication\_relationship\_adjuster\_changed](/reference/chat/gamechat2/enums/game_chat_state_change_type) state change. | | [game\_chat\_data\_frame](/reference/chat/gamechat2/structs/game_chat_data_frame) | Represents information about outgoing Game Chat 2 data that must be delivered to remote Game Chat 2 endpoints. | | [game\_chat\_state\_change](/reference/chat/gamechat2/structs/game_chat_state_change) | Represents a generic, base structure for an event, change in state, or outgoing data. | | [game\_chat\_stream\_state\_change](/reference/chat/gamechat2/structs/game_chat_stream_state_change) | A generic, base structure representation of an event for audio manipulation streams. | | [game\_chat\_text\_chat\_received\_state\_change](/reference/chat/gamechat2/structs/game_chat_text_chat_received_state_change) | Represents information specific to the [game\_chat\_state\_change\_type::text\_chat\_received](/reference/chat/gamechat2/enums/game_chat_state_change_type) state change. | | [game\_chat\_text\_conversion\_preference\_changed\_state\_change](/reference/chat/gamechat2/structs/game_chat_text_conversion_preference_changed_state_change) | Represents information specific to the [game\_chat\_state\_change\_type::text\_conversion\_preference\_changed](/reference/chat/gamechat2/enums/game_chat_state_change_type) state change. | | [game\_chat\_transcribed\_chat\_received\_state\_change](/reference/chat/gamechat2/structs/game_chat_transcribed_chat_received_state_change) | Represents information specific to the [game\_chat\_state\_change\_type::transcribed\_chat\_received](/reference/chat/gamechat2/enums/game_chat_state_change_type) state change. | ## Enumerations | Enumeration | Description | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [game\_chat\_audio\_encoding\_bitrate](/reference/chat/gamechat2/enums/game_chat_audio_encoding_bitrate) | Defines the audio encoding bit rate that Game Chat 2 uses for generating outgoing audio packets. | | [game\_chat\_audio\_manipulation\_mode\_flags](/reference/chat/gamechat2/enums/game_chat_audio_manipulation_mode_flags) | Represents the requested audio manipulation feature status. | | [game\_chat\_communication\_relationship\_adjuster](/reference/chat/gamechat2/enums/game_chat_communication_relationship_adjuster) | 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](/reference/chat/gamechat2/classes/chat_user/chat_user_local/methods/chat_user_local_set_communication_relationship). | | [game\_chat\_communication\_relationship\_flags](/reference/chat/gamechat2/enums/game_chat_communication_relationship_flags) | Defines the communication relationship between two users. | | [game\_chat\_data\_transport\_requirement](/reference/chat/gamechat2/enums/game_chat_data_transport_requirement) | Defines the data transport requirements for outgoing data. | | [game\_chat\_sample\_type](/reference/chat/gamechat2/enums/game_chat_sample_type) | Describes the data type that represents a single Game Chat 2 audio sample. | | [game\_chat\_shared\_device\_communication\_relationship\_resolution\_mode](/reference/chat/gamechat2/enums/game_chat_shared_device_communication_relationship_resolution_mode) | 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](/reference/chat/gamechat2/enums/game_chat_speech_to_text_conversion_mode) | Defines the speech-to-text conversion modes available to Game Chat 2. | | [game\_chat\_state\_change\_type](/reference/chat/gamechat2/enums/game_chat_state_change_type) | Defines the types of [game\_chat\_state\_change](/reference/chat/gamechat2/structs/game_chat_state_change) objects that can be reported by [chat\_manager::start\_processing\_state\_changes](/reference/chat/gamechat2/classes/chat_manager/methods/chat_manager_start_processing_state_changes). | | [game\_chat\_stream\_state\_change\_type](/reference/chat/gamechat2/enums/game_chat_stream_state_change_type) | Defines the types of [game\_chat\_stream\_state\_change](/reference/chat/gamechat2/structs/game_chat_stream_state_change) objects that can be reported by [chat\_manager::start\_processing\_stream\_state\_changes](/reference/chat/gamechat2/classes/chat_manager/methods/chat_manager_start_processing_stream_state_changes). | | [game\_chat\_thread\_id](/reference/chat/gamechat2/enums/game_chat_thread_id) | Defines the types of threads that Game Chat 2 uses for internal purposes. | | [game\_chat\_user\_chat\_indicator](/reference/chat/gamechat2/enums/game_chat_user_chat_indicator) | Defines the current chat status of a user in relationship to the local users. | ## Related topics - [game_chat_sample_type](/reference/chat/gamechat2/enums/game_chat_sample_type.md) - [game_chat_thread_id](/reference/chat/gamechat2/enums/game_chat_thread_id.md) - [game_chat_data_frame](/reference/chat/gamechat2/structs/game_chat_data_frame.md) - [game_chat_state_change](/reference/chat/gamechat2/structs/game_chat_state_change.md) - [game_chat_communication_relationship_adjuster](/reference/chat/gamechat2/enums/game_chat_communication_relationship_adjuster.md)