137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
/*
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* Copyright (c) 2021 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_SUBSYS_BLUETOOTH_AUDIO_MEDIA_PROXY_INTERNAL_H_
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#define ZEPHYR_SUBSYS_BLUETOOTH_AUDIO_MEDIA_PROXY_INTERNAL_H_
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/** @brief Internal APIs for Bluetooth Media Control */
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#include <stdint.h>
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#include <zephyr/autoconf.h>
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#include <zephyr/bluetooth/audio/media_proxy.h>
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#include <zephyr/sys/util_macro.h>
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#define MPL_NO_TRACK_ID 0
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/* Debug output of 48 bit Object ID value */
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/* (Zephyr does not yet support debug output of more than 32 bit values.) */
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/* Takes a text and a 64-bit integer as input */
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#define LOG_DBG_OBJ_ID(text, id64) \
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do { \
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if (IS_ENABLED(CONFIG_BT_MCS_LOG_LEVEL_DBG)) { \
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char t[BT_OTS_OBJ_ID_STR_LEN]; \
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(void)bt_ots_obj_id_to_str(id64, t, sizeof(t)); \
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LOG_DBG(text "0x%s", t); \
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} \
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} while (0)
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/* SYNCHRONOUS (CALL/RETURN) API FOR CONTROLLERS */
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/** @brief Callbacks to a controller, from the media proxy */
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struct media_proxy_sctrl_cbs {
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void (*player_name)(const char *name);
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void (*icon_url)(const char *url);
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void (*track_changed)(void);
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void (*track_title)(const char *title);
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void (*track_duration)(int32_t duration);
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void (*track_position)(int32_t position);
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void (*playback_speed)(int8_t speed);
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void (*seeking_speed)(int8_t speed);
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#ifdef CONFIG_BT_OTS
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void (*current_track_id)(uint64_t id);
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void (*next_track_id)(uint64_t id);
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void (*current_group_id)(uint64_t id);
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void (*parent_group_id)(uint64_t id);
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#endif /* CONFIG_BT_OTS */
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void (*playing_order)(uint8_t order);
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void (*media_state)(uint8_t state);
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void (*command)(const struct mpl_cmd_ntf *cmd_ntf);
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void (*commands_supported)(uint32_t opcodes);
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#ifdef CONFIG_BT_OTS
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void (*search)(uint8_t result_code);
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void (*search_results_id)(uint64_t id);
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#endif /* CONFIG_BT_OTS */
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};
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/** @brief Register a controller with the media proxy */
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int media_proxy_sctrl_register(struct media_proxy_sctrl_cbs *sctrl_cbs);
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const char *media_proxy_sctrl_get_player_name(void);
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#ifdef CONFIG_BT_OTS
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uint64_t media_proxy_sctrl_get_icon_id(void);
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#endif /* CONFIG_BT_OTS */
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const char *media_proxy_sctrl_get_icon_url(void);
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const char *media_proxy_sctrl_get_track_title(void);
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int32_t media_proxy_sctrl_get_track_duration(void);
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int32_t media_proxy_sctrl_get_track_position(void);
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void media_proxy_sctrl_set_track_position(int32_t position);
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int8_t media_proxy_sctrl_get_playback_speed(void);
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void media_proxy_sctrl_set_playback_speed(int8_t speed);
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int8_t media_proxy_sctrl_get_seeking_speed(void);
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#ifdef CONFIG_BT_OTS
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uint64_t media_proxy_sctrl_get_track_segments_id(void);
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uint64_t media_proxy_sctrl_get_current_track_id(void);
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void media_proxy_sctrl_set_current_track_id(uint64_t id);
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uint64_t media_proxy_sctrl_get_next_track_id(void);
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void media_proxy_sctrl_set_next_track_id(uint64_t id);
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uint64_t media_proxy_sctrl_get_current_group_id(void);
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void media_proxy_sctrl_set_current_group_id(uint64_t id);
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uint64_t media_proxy_sctrl_get_parent_group_id(void);
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#endif /* CONFIG_BT_OTS */
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uint8_t media_proxy_sctrl_get_playing_order(void);
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void media_proxy_sctrl_set_playing_order(uint8_t order);
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uint16_t media_proxy_sctrl_get_playing_orders_supported(void);
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uint8_t media_proxy_sctrl_get_media_state(void);
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void media_proxy_sctrl_send_command(const struct mpl_cmd *command);
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uint32_t media_proxy_sctrl_get_commands_supported(void);
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#ifdef CONFIG_BT_OTS
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void media_proxy_sctrl_send_search(const struct mpl_search *search);
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uint64_t media_proxy_sctrl_get_search_results_id(void);
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#endif /* CONFIG_BT_OTS */
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uint8_t media_proxy_sctrl_get_content_ctrl_id(void);
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#endif /* ZEPHYR_SUBSYS_BLUETOOTH_AUDIO_MEDIA_PROXY_INTERNAL_H_ */
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