AVDTP Source API

avdtp_source.h : Audio/Video Distribution Transport Protocol (AVDTP) Source is a device that streames media data.

/**
 * @brief Register media transport category with local stream endpoint identified by seid
 * @param seid
 */
void avdtp_source_register_media_transport_category(uint8_t seid);

/**
 * @brief Register reporting category with local stream endpoint identified by seid
 * @param seid
 */
void avdtp_source_register_reporting_category(uint8_t seid);

/**
 * @brief Register delay reporting category with local stream endpoint identified by seid
 * @param seid
 */
void avdtp_source_register_delay_reporting_category(uint8_t seid);

/**
 * @brief Register recovery category with local stream endpoint identified by seid
 * @param seid
 * @param maximum_recovery_window_size
 * @param maximum_number_media_packets
 */
void avdtp_source_register_recovery_category(uint8_t seid, uint8_t maximum_recovery_window_size, uint8_t maximum_number_media_packets);

/**
 * @brief Register content protection category with local stream endpoint identified by seid
 * @param seid
 * @param cp_type
 * @param cp_type_value
 * @param cp_type_value_len
 */
void avdtp_source_register_content_protection_category(uint8_t seid, uint16_t cp_type, const uint8_t * cp_type_value, uint8_t cp_type_value_len);

/**
 * @brief Register header compression category with local stream endpoint identified by seid
 * @param seid
 * @param back_ch
 * @param media
 * @param recovery
 */
void avdtp_source_register_header_compression_category(uint8_t seid, uint8_t back_ch, uint8_t media, uint8_t recovery);

/**
 * @brief Register media codec category with local stream endpoint identified by seid
 * @param seid
 * @param media_type
 * @param media_codec_type
 * @param media_codec_info
 * @param media_codec_info_len
 */
void avdtp_source_register_media_codec_category(uint8_t seid, avdtp_media_type_t media_type, avdtp_media_codec_type_t media_codec_type, const uint8_t *media_codec_info, uint16_t media_codec_info_len);

/**
 * @brief Register multiplexing category with local stream endpoint identified by seid
 * @param seid
 * @param fragmentation
 */
void avdtp_source_register_multiplexing_category(uint8_t seid, uint8_t fragmentation);

/**
 * @brief Initialize up AVDTP Source device.
 */
void avdtp_source_init(void);

/**
 * @brief Register callback for the AVDTP Source client. See btstack_defines.h for AVDTP_SUBEVENT_* events
 *
 * @param callback
 */
void avdtp_source_register_packet_handler(btstack_packet_handler_t callback);

/**
 * @brief Connect to device with a bluetooth address. (and perform configuration?)
 * @param bd_addr
 * @param avdtp_cid Assigned avdtp cid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise BTSTACK_MEMORY_ALLOC_FAILED, SDP_QUERY_BUSY
 */
uint8_t avdtp_source_connect(bd_addr_t bd_addr, uint16_t * avdtp_cid);

/**
 * @brief Disconnect from device with connection handle. 
 * @param avdtp_cid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER
 */
uint8_t avdtp_source_disconnect(uint16_t avdtp_cid);

/**
 * @brief Discover stream endpoints
 * @param avdtp_cid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_discover_stream_endpoints(uint16_t avdtp_cid);

/**
 * @brief Get capabilities
 * @param avdtp_cid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_get_capabilities(uint16_t avdtp_cid, uint8_t acp_seid);

/**
 * @brief Get all capabilities
 * @param avdtp_cid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_get_all_capabilities(uint16_t avdtp_cid, uint8_t acp_seid);

/**
 * @brief Set configuration
 * @param avdtp_cid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_set_configuration(uint16_t avdtp_cid, uint8_t int_seid, uint8_t acp_seid, uint16_t configured_services_bitmap, avdtp_capabilities_t configuration);

/**
 * @brief Reconfigure stream
 * @param avdtp_cid
 * @param seid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_reconfigure(uint16_t avdtp_cid, uint8_t int_seid, uint8_t acp_seid, uint16_t configured_services_bitmap, avdtp_capabilities_t configuration);

/**
 * @brief Get configuration
 * @param avdtp_cid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_get_configuration(uint16_t avdtp_cid, uint8_t acp_seid);


/**
 * @brief Open stream
 * @param avdtp_cid
 * @param seid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_open_stream(uint16_t avdtp_cid, uint8_t int_seid, uint8_t acp_seid);

/**
 * @brief Start stream
 * @param local_seid
* @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_start_stream(uint16_t avdtp_cid, uint8_t local_seid);

/**
 * @brief Abort stream
 * @param local_seid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
 */
uint8_t avdtp_source_abort_stream(uint16_t avdtp_cid, uint8_t local_seid);

/**
 * @brief Start stream
 * @param local_seid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED 
 */
uint8_t avdtp_source_stop_stream(uint16_t avdtp_cid, uint8_t local_seid);

/**
 * @brief Suspend stream
 * @param local_seid
 * @return status ERROR_CODE_SUCCESS if succesful, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED 
 */
uint8_t avdtp_source_suspend(uint16_t avdtp_cid, uint8_t local_seid);

/**
 * @brief Create stream endpoint
 * @param sep_type          AVDTP_SOURCE or AVDTP_SINK, see avdtp.h
 * @param media_type        AVDTP_AUDIO, AVDTP_VIDEO or AVDTP_MULTIMEDIA, see avdtp.h
 * @return pointer to newly created stream endpoint, or NULL if allocation failed
 */
avdtp_stream_endpoint_t * avdtp_source_create_stream_endpoint(avdtp_sep_type_t sep_type, avdtp_media_type_t media_type);

/**
 *  @brief Unregister stream endpoint and free it's memory
 *  @param stream_endpoint created by avdtp_sink_create_stream_endpoint
 */
void avdtp_source_finalize_stream_endpoint(avdtp_stream_endpoint_t * stream_endpoint);

/**
 * @brief Send media packet
 * @param avdtp_cid         AVDTP channel identifyer.
 * @param local_seid        ID of a local stream endpoint.
 * @param packet
 * @param size
 * @return status
 */
uint8_t avdtp_source_stream_send_media_packet(uint16_t avdtp_cid, uint8_t local_seid, const uint8_t * packet, uint16_t size);

/**
 * @brief Send media payload including RTP header
 * @param avdtp_cid         AVDTP channel identifyer.
 * @param local_seid        ID of a local stream endpoint.
 * @param marker
 * @param payload
 * @param size
 * @return status
 */
uint8_t avdtp_source_stream_send_media_payload_rtp(uint16_t avdtp_cid, uint8_t local_seid, uint8_t marker, uint8_t * payload, uint16_t size);

/**
 * @brief Send media payload including RTP header and the SBC media header
 * @deprecated Please use avdtp_source_stream_send_media_payload_rtp
 * @param avdtp_cid         AVDTP channel identifyer.
 * @param local_seid        ID of a local stream endpoint.
 * @param storage
 * @param num_bytes_to_copy
 * @param num_frames
 * @param marker
 * @return max_media_payload_size_without_media_header
 */
int avdtp_source_stream_send_media_payload(uint16_t avdtp_cid, uint8_t local_seid, uint8_t * storage, int num_bytes_to_copy, uint8_t num_frames, uint8_t marker);



/**
 * @brief Request to send a media packet. Packet can be then sent on reception of AVDTP_SUBEVENT_STREAMING_CAN_SEND_MEDIA_PACKET_NOW event.
 * @param avdtp_cid         AVDTP channel identifyer.
 * @param local_seid        ID of a local stream endpoint.
 */
void avdtp_source_stream_endpoint_request_can_send_now(uint16_t avddp_cid, uint8_t local_seid);

/**
 * @brief Return maximal media payload size, does not include media header.
 * @param avdtp_cid         AVDTP channel identifyer.
 * @param local_seid        ID of a local stream endpoint.
 */
int avdtp_max_media_payload_size(uint16_t avdtp_cid, uint8_t local_seid);

/**
 * @brief De-Init AVDTP Source.
 */
void avdtp_source_deinit(void);