btstack/test/pts/avrcp_controller_test.c

/*
 * Copyright (C) 2016 BlueKitchen GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 4. Any redistribution, use, or modification is done solely for
 *    personal benefit and not for any commercial purpose or for
 *    monetary gain.
 *
 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Please inquire about commercial licensing options at 
 * contact@bluekitchen-gmbh.com
 *
 */


#include <stdint.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "btstack.h"
#include "btstack_stdin_pts.h"

#define AVRCP_BROWSING_ENABLED 1
#define AVRCP_BROWSING_MAX_PLAYERS          10
#define AVRCP_BROWSING_MAX_FOLDERS          10
#define AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN  30
#define AVRCP_BROWSING_MAX_MEDIA_ITEMS      10

#ifdef HAVE_BTSTACK_STDIN
#include "btstack_stdin_pts.h"
#endif

#ifdef HAVE_BTSTACK_STDIN
// mac 2011:    static const char * device_addr_string = "04:0C:CE:E4:85:D3";
// pts:         
static const char * device_addr_string = "00:1B:DC:07:32:EF";
// mac 2013:    static const char * device_addr_string = "84:38:35:65:d1:15";
// phone 2013:  static const char * device_addr_string = "D8:BB:2C:DF:F0:F2";
// minijambox:  static const char * device_addr_string = "00:21:3C:AC:F7:38";
// head phones: static const char * device_addr_string = "00:18:09:28:50:18";
// bt dongle:   static const char * device_addr_string = "00:15:83:5F:9D:46";
#endif
static bd_addr_t device_addr;

static const uint8_t fragmented_message[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,  
    0, 1, 2, 3, 4, 5, 6, 7, 8, 9,  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,  0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };

typedef struct {
    uint16_t  charset;
    uint8_t   depth;
    uint16_t  name_len;
    char      name[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];
} avrcp_browsing_root_folder_t;

typedef struct {
    uint8_t  uid[8];
    uint16_t name_len;
    char     name[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];
} avrcp_browsable_item_t;

typedef struct {
    uint16_t player_id;
    uint8_t  major_player_type;
    uint32_t player_sub_type;
    uint8_t  play_status;
    uint8_t  feature_bitmask[16];
    uint16_t charset;
    uint16_t name_len;
    char     name[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];
} avrcp_browsable_media_player_item_t;

typedef struct {
    uint32_t id;
    uint16_t charset;
    uint16_t value_len;
    char     value[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];
} avrcp_browsable_media_element_item_attribute_t;

typedef struct {
    uint8_t  uid[8];
    uint8_t  media_type;
    uint16_t charset;
    uint16_t name_len;
    char     name[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];
    uint8_t  num_attributes;
} avrcp_browsable_media_element_item_t;

void btstack_stdin_pts_setup(void (*stdin_handler)(char * c, int size));

static uint8_t  parent_folder_set = 0;
static uint8_t  parent_folder_uid[8];
static char     parent_folder_name[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];

static avrcp_browsable_media_element_item_t media_element_items[AVRCP_BROWSING_MAX_MEDIA_ITEMS];
static int media_element_item_index = -1;

static avrcp_browsable_media_player_item_t media_player_items[AVRCP_BROWSING_MAX_MEDIA_ITEMS];
static int media_player_item_index = -1;

static avrcp_browsable_item_t folders[AVRCP_BROWSING_MAX_FOLDERS];
static int folder_index = -1;

static btstack_packet_callback_registration_t hci_event_callback_registration;
static bd_addr_t device_addr;

static uint16_t avrcp_cid = 0;
static uint8_t  avrcp_connected = 0;

static uint16_t browsing_cid = 0;
static uint8_t  avrcp_browsing_connected = 0;
static int playable_folder_index = 0;
static uint8_t browsing_query_active = 0;

static uint8_t sdp_avdtp_sink_service_buffer[150];
static uint8_t sdp_avrcp_controller_service_buffer[200];

static uint16_t avdtp_cid = 0;
static avdtp_sep_t sep;
static avdtp_stream_endpoint_t * local_stream_endpoint;
static avdtp_context_t a2dp_sink_context;
static uint8_t  avrcp_value[100];
static uint16_t browsing_uid_counter = 0;

static uint8_t ertm_buffer[10000];
static l2cap_ertm_config_t ertm_config = {
    1,  // ertm mandatory
    2,  // max transmit, some tests require > 1
    2000,
    12000,
    144,    // l2cap ertm mtu
    4,
    4,
};

static inline int next_index(int * index, int max_value){
    if ((*index) < max_value){
        (*index)++;
    } else {
        (*index) = 0;
    }
    return (*index);
}

static int next_folder_index(){
    return next_index(&folder_index, AVRCP_BROWSING_MAX_FOLDERS);
}

static int next_media_element_item_index(){
    return next_index(&media_element_item_index, AVRCP_BROWSING_MAX_MEDIA_ITEMS);
}
static int next_media_player_item_index(){
    return next_index(&media_player_item_index, AVRCP_BROWSING_MAX_MEDIA_ITEMS);
}

static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
    // if (packet_type != HCI_EVENT_PACKET) return;
    UNUSED(channel);
    UNUSED(size);
    bd_addr_t event_addr;
    uint16_t local_cid;
    uint8_t  status = 0xFF;
    int pos;
    // printf("packet_handler packet type 0x%02X, HCI_EVENT_AVRCP_META 0x%02X, subevent 0x%02X\n", packet_type, HCI_EVENT_AVRCP_META, packet[2]);
    
    switch (packet_type) {   
        case AVRCP_BROWSING_DATA_PACKET:
            pos = 0;
            browsing_query_active = 1;
            avrcp_browsing_item_type_t data_type = (avrcp_browsing_item_type_t)packet[pos++];
            switch (data_type){
                case AVRCP_BROWSING_MEDIA_ROOT_FOLDER:{
                    uint16_t folder_name_length = size - pos;
                    char folder_name[AVRCP_MAX_FOLDER_NAME_SIZE];
                    memcpy(folder_name, &packet[pos], folder_name_length);
                    folder_name[folder_name_length] = 0;
                    printf("Found root folder: name %s \n", folder_name);
                    break;
                }

                case AVRCP_BROWSING_FOLDER_ITEM:{
                    int index = next_folder_index();
                    memcpy(folders[index].uid, packet+pos, 8);
                
                    uint32_t folder_uid_high = big_endian_read_32(packet, pos);
                    pos += 4;
                    uint32_t folder_uid_low  = big_endian_read_32(packet, pos);
                    pos += 4;
                    avrcp_browsing_folder_type_t folder_type = packet[pos++];
                    uint8_t  is_playable = packet[pos++];
                    uint16_t charset = big_endian_read_16(packet, pos);
                    pos += 2;
                    uint16_t displayable_name_length = big_endian_read_16(packet, pos);
                    pos += 2;
                    
                    char value[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];
                    memset(value, 0, AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN);
                    uint16_t value_len = btstack_min(displayable_name_length, AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN - 1); 
                    memcpy(value, packet+pos, value_len);

                    printf("Folder UID 0x%08" PRIx32 "%08" PRIx32 ", type 0x%02x, is_playable %d, charset 0x%02x, name %s\n", 
                        folder_uid_high, folder_uid_low, folder_type, is_playable, charset, value);
                    if (is_playable){
                        playable_folder_index = index;
                    }
                    memcpy(folders[index].name, value, value_len);
                    folders[index].name_len = value_len;
                    break;
                }

                case AVRCP_BROWSING_MEDIA_PLAYER_ITEM:{
                    printf("Received media player item:  ");
                    uint16_t player_id = big_endian_read_16(packet, pos);
                    pos += 2;
                    avrcp_browsing_media_player_major_type_t major_type = packet[pos++];
                    avrcp_browsing_media_player_subtype_t subtype = big_endian_read_32(packet, pos);
                    pos += 4;
                    status = packet[pos++];
                    uint8_t feature_bitmask[16];
                    memcpy(feature_bitmask, packet, 16);
                    pos += 16;
                    printf("player ID 0x%04x, major_type %d, subtype %d, status %d\n", player_id, major_type, subtype, status);
                    media_player_items[next_media_player_item_index()].player_id = player_id;
                    break;
                }
                
                case AVRCP_BROWSING_MEDIA_ELEMENT_ITEM:{
                    int index = next_media_element_item_index();
                    memcpy(media_element_items[index].uid, packet+pos, 8);
                    printf("Received media element item UID (index %d): ", index);
                    
                    // uint32_t media_uid_high = big_endian_read_32(packet, pos);
                    pos += 4;
                    // uint32_t media_uid_low  = big_endian_read_32(packet, pos+4);
                    pos += 4;
                    
                    avrcp_browsing_media_type_t media_type = packet[pos++];
                    uint16_t charset = big_endian_read_16(packet, pos);
                    pos += 2;
                    uint16_t displayable_name_length = big_endian_read_16(packet, pos);
                    pos += 2;
                    
                    char value[AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN];
                    memset(value, 0, AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN);
                    uint16_t value_len = btstack_min(displayable_name_length, AVRCP_BROWSING_MAX_BROWSABLE_ITEM_NAME_LEN - 1); 
                    memcpy(value, packet+pos, value_len);
                    memcpy(media_element_items[index].name, value, value_len);

                    pos += displayable_name_length;
                    // printf("Media UID: 0x%08" PRIx32 "%08" PRIx32 ", media_type 0x%02x, charset 0x%02x, actual len %d, name %s\n", media_uid_high, media_uid_low, media_type, charset, value_len, value);
                    
                    printf_hexdump(media_element_items[index].uid, 8);
                    uint8_t num_attributes = packet[pos++];
                    printf("  Media type 0x%02x, charset 0x%02x, actual len %d, name %s, num attributes %d:\n", media_type, charset, value_len, value, num_attributes);
                    
                    avrcp_media_item_context_t media_item_context;
                    for (avrcp_media_item_iterator_init(&media_item_context, size-pos, packet+pos); avrcp_media_item_iterator_has_more(&media_item_context); avrcp_media_item_iterator_next(&media_item_context)){
                        uint32_t attr_id            = avrcp_media_item_iterator_get_attr_id(&media_item_context);
                        uint16_t attr_charset       = avrcp_media_item_iterator_get_attr_charset(&media_item_context);
                        uint16_t attr_value_length  = avrcp_media_item_iterator_get_attr_value_len(&media_item_context);
                        const uint8_t * attr_value  = avrcp_media_item_iterator_get_attr_value(&media_item_context);
                    
                        printf("    - attr ID 0x%08" PRIx32 ", charset 0x%02x, actual len %d, name %s\n", attr_id, attr_charset, attr_value_length, attr_value);
                    }
                    break;
                }

                case AVRCP_BROWSING_MEDIA_ELEMENT_ITEM_ATTRIBUTE:{
                    uint8_t num_attributes = packet[pos++];
                    printf("Num media attributes %d:\n", num_attributes);
                    avrcp_media_item_context_t media_item_context;
                    for (avrcp_media_item_iterator_init(&media_item_context, size-pos, packet+pos); avrcp_media_item_iterator_has_more(&media_item_context); avrcp_media_item_iterator_next(&media_item_context)){
                        uint32_t attr_id            = avrcp_media_item_iterator_get_attr_id(&media_item_context);
                        uint16_t attr_charset       = avrcp_media_item_iterator_get_attr_charset(&media_item_context);
                        uint16_t attr_value_length  = avrcp_media_item_iterator_get_attr_value_len(&media_item_context);
                        const uint8_t * attr_value  = avrcp_media_item_iterator_get_attr_value(&media_item_context);
                        printf("    - attr ID 0x%08" PRIx32 ", charset 0x%02x, actual len %d, name %s\n", attr_id, attr_charset, attr_value_length, attr_value);
                    }
                }
                default:
                    printf("AVRCP browsing: unknown browsable item type 0%02x\n", data_type);
                    break;
            }
            break;
        case HCI_EVENT_PACKET:
            switch (packet[0]){
                case HCI_EVENT_AVDTP_META:
                    switch (packet[2]){
                        case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED:
                            avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
                            status    = avdtp_subevent_signaling_connection_established_get_status(packet);
                            if (status != ERROR_CODE_SUCCESS){
                                printf("AVDTP connection establishment failed: status 0x%02x.\n", status);
                                break;    
                            }
                            printf("AVDTP connection established: avdtp_cid 0x%02x.\n", avdtp_cid);
                            break;
                        case AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED:
                            avdtp_cid = avdtp_subevent_signaling_connection_released_get_avdtp_cid(packet);
                            printf("AVDTP connection released: avdtp_cid 0x%02x.\n", avdtp_cid);
                            break;
                        default:
                            // printf("AVDTP event not parsed.\n");
                            break; 
                    }
                    break;   
                  
                case HCI_EVENT_AVRCP_META:
                    switch (packet[2]){
                        case AVRCP_SUBEVENT_CONNECTION_ESTABLISHED: {
                            local_cid = avrcp_subevent_connection_established_get_avrcp_cid(packet);
                            if (browsing_cid != 0 && browsing_cid != local_cid) {
                                printf("AVRCP Controller connection failed, expected 0x%02X l2cap cid, received 0x%02X\n", browsing_cid, local_cid);
                                return;
                            }

                            status = avrcp_subevent_connection_established_get_status(packet);
                            if (status != ERROR_CODE_SUCCESS){
                                printf("AVRCP Controller connection failed: status 0x%02x\n", status);
                                browsing_cid = 0;
                                return;
                            }
                            
                            avrcp_cid = local_cid;
                            avrcp_connected = 1;
                            avrcp_subevent_connection_established_get_bd_addr(packet, event_addr);
                            printf("AVRCP Controller connected.\n");
                            return;
                        }
                        case AVRCP_SUBEVENT_CONNECTION_RELEASED:
                            printf("AVRCP Controller Client released.\n");
                            browsing_cid = 0;
                            avrcp_browsing_connected = 0;
                            folder_index = 0;
                            memset(folders, 0, sizeof(folders));
                            return;
                        
                        case AVRCP_SUBEVENT_INCOMING_BROWSING_CONNECTION:
                            local_cid = avrcp_subevent_incoming_browsing_connection_get_browsing_cid(packet);
                            if (browsing_cid != 0 && browsing_cid != local_cid) {
                                printf("AVRCP Browsing Client connection failed, expected 0x%02X l2cap cid, received 0x%02X\n", browsing_cid, local_cid);
                                avrcp_browsing_controller_decline_incoming_connection(browsing_cid);
                                return;
                            }
                            browsing_cid = local_cid;
                            printf("AVRCP Browsing Client configure incoming connection, browsing cid 0x%02x\n", browsing_cid);
                            avrcp_browsing_controller_configure_incoming_connection(browsing_cid, ertm_buffer, sizeof(ertm_buffer), &ertm_config);
                            break;

                        case AVRCP_SUBEVENT_BROWSING_CONNECTION_ESTABLISHED: {
                            local_cid = avrcp_subevent_browsing_connection_established_get_browsing_cid(packet);
                            if (browsing_cid != 0 && browsing_cid != local_cid) {
                                printf("AVRCP Browsing Client connection failed, expected 0x%02X l2cap cid, received 0x%02X\n", browsing_cid, local_cid);
                                return;
                            }

                            status = avrcp_subevent_browsing_connection_established_get_status(packet);
                            if (status != ERROR_CODE_SUCCESS){
                                printf("AVRCP Browsing Client connection failed: status 0x%02x\n", status);
                                browsing_cid = 0;
                                return;
                            }
                            
                            browsing_cid = local_cid;
                            avrcp_browsing_connected = 1;
                            avrcp_subevent_browsing_connection_established_get_bd_addr(packet, event_addr);
                            printf("AVRCP Browsing Client connected\n");
                            return;
                        }
                        case AVRCP_SUBEVENT_BROWSING_CONNECTION_RELEASED:
                            printf("AVRCP Browsing Controller released\n");
                            browsing_cid = 0;
                            avrcp_browsing_connected = 0;
                            return;
                        
                        case AVRCP_SUBEVENT_BROWSING_DONE:
                            browsing_query_active = 0;
                            browsing_uid_counter = 0;
                            if (avrcp_subevent_browsing_done_get_browsing_status(packet) != AVRCP_BROWSING_ERROR_CODE_SUCCESS){
                                printf("AVRCP Browsing query done with browsing status 0x%02x, bluetooth status 0x%02x.\n", 
                                    avrcp_subevent_browsing_done_get_browsing_status(packet),
                                    avrcp_subevent_browsing_done_get_bluetooth_status(packet));
                                break;    
                            }
                            browsing_uid_counter = avrcp_subevent_browsing_done_get_uid_counter(packet);
                            printf("DONE, browsing_uid_counter %d.\n", browsing_uid_counter);
                            break;

                        default:
                            break;
                    }

                    local_cid = little_endian_read_16(packet, 3);
                    if (local_cid != avrcp_cid) return;
                    // avoid printing INTERIM status
                    status = packet[5];
                    if (status == AVRCP_CTYPE_RESPONSE_INTERIM) return;
                    printf("AVRCP: command status: %s, ", avrcp_ctype2str(status));
                    
                    switch (packet[2]){
                        case AVRCP_SUBEVENT_NOTIFICATION_PLAYBACK_STATUS_CHANGED:
                            printf("notification, playback status changed %s\n", avrcp_play_status2str(avrcp_subevent_notification_playback_status_changed_get_play_status(packet)));
                            return;
                        case AVRCP_SUBEVENT_NOTIFICATION_NOW_PLAYING_CONTENT_CHANGED:
                            printf("notification, playing content changed\n");
                            return;
                        case AVRCP_SUBEVENT_NOTIFICATION_TRACK_CHANGED:
                            printf("notification track changed\n");
                            return;
                        case AVRCP_SUBEVENT_NOTIFICATION_VOLUME_CHANGED:
                            printf("notification absolute volume changed %d\n", avrcp_subevent_notification_volume_changed_get_absolute_volume(packet));
                            return;
                        case AVRCP_SUBEVENT_NOTIFICATION_AVAILABLE_PLAYERS_CHANGED:
                            printf("notification changed\n");
                            return; 
                        case AVRCP_SUBEVENT_SHUFFLE_AND_REPEAT_MODE:{
                            uint8_t shuffle_mode = avrcp_subevent_shuffle_and_repeat_mode_get_shuffle_mode(packet);
                            uint8_t repeat_mode  = avrcp_subevent_shuffle_and_repeat_mode_get_repeat_mode(packet);
                            printf("%s, %s\n", avrcp_shuffle2str(shuffle_mode), avrcp_repeat2str(repeat_mode));
                            break;
                        }
                        case AVRCP_SUBEVENT_NOW_PLAYING_TITLE_INFO:
                            if (avrcp_subevent_now_playing_title_info_get_value_len(packet) > 0){
                                memcpy(avrcp_value, avrcp_subevent_now_playing_title_info_get_value(packet), avrcp_subevent_now_playing_title_info_get_value_len(packet));
                                printf("    Title: %s\n", avrcp_value);
                            }  
                            break;

                        case AVRCP_SUBEVENT_NOW_PLAYING_ARTIST_INFO:
                            if (avrcp_subevent_now_playing_artist_info_get_value_len(packet) > 0){
                                memcpy(avrcp_value, avrcp_subevent_now_playing_artist_info_get_value(packet), avrcp_subevent_now_playing_artist_info_get_value_len(packet));
                                printf("    Artist: %s\n", avrcp_value);
                            }  
                            break;
                        
                        case AVRCP_SUBEVENT_NOW_PLAYING_ALBUM_INFO:
                            if (avrcp_subevent_now_playing_album_info_get_value_len(packet) > 0){
                                memcpy(avrcp_value, avrcp_subevent_now_playing_album_info_get_value(packet), avrcp_subevent_now_playing_album_info_get_value_len(packet));
                                printf("    Album: %s\n", avrcp_value);
                            }  
                            break;
                        
                        case AVRCP_SUBEVENT_NOW_PLAYING_GENRE_INFO:
                            if (avrcp_subevent_now_playing_genre_info_get_value_len(packet) > 0){
                                memcpy(avrcp_value, avrcp_subevent_now_playing_genre_info_get_value(packet), avrcp_subevent_now_playing_genre_info_get_value_len(packet));
                                printf("    Genre: %s\n", avrcp_value);
                            }  
                            break;
                        
                        case AVRCP_SUBEVENT_PLAY_STATUS:
                            printf("song length: %d ms, song position: %d ms, play status: %s\n", 
                                avrcp_subevent_play_status_get_song_length(packet), 
                                avrcp_subevent_play_status_get_song_position(packet),
                                avrcp_play_status2str(avrcp_subevent_play_status_get_play_status(packet)));
                            break;
                        case AVRCP_SUBEVENT_OPERATION_COMPLETE:
                            printf("operation done %s\n", avrcp_operation2str(avrcp_subevent_operation_complete_get_operation_id(packet)));
                            break;
                        case AVRCP_SUBEVENT_OPERATION_START:
                            printf("operation start %s\n", avrcp_operation2str(avrcp_subevent_operation_complete_get_operation_id(packet)));
                            break;
                        case AVRCP_SUBEVENT_PLAYER_APPLICATION_VALUE_RESPONSE:
                            // response to set shuffle and repeat mode
                            printf("\n");
                            break;
                        default:
                            printf("AVRCP event not parsed.\n");
                            break;
                    }
            }
        default:
            break;
    }

}


#ifdef HAVE_BTSTACK_STDIN
static void show_usage(void){
    bd_addr_t      iut_address;
    gap_local_bd_addr(iut_address);
    printf("\n--- Bluetooth AVDTP Sink/AVRCP Connection Test Console %s ---\n", bd_addr_to_str(iut_address));
    printf("b      - AVDTP Sink create  connection to addr %s\n", device_addr_string);
    printf("B      - AVDTP Sink disconnect\n");
    printf("c      - AVRCP create connection to addr %s\n", device_addr_string);
    printf("C      - AVRCP disconnect\n");
    printf("e      - AVRCP Browsing Controller create connection to addr %s\n", bd_addr_to_str(device_addr));
    printf("E      - AVRCP Browsing Controller disconnect\n");
    

    printf("\n--- Bluetooth AVRCP Commands %s ---\n", bd_addr_to_str(iut_address));
    printf("q - get capabilities: supported events\n");
    printf("w - get unit info\n");
    printf("* - get subunit info\n");
    printf("r - get play status\n");
    printf("t - get now playing info\n");
    
    printf("01 - play\n");
    printf("02 - stop\n");
    printf("03 - pause\n");
    printf("04 - fast forward\n");
    printf("05 - rewind\n");
    printf("06 - forward\n");
    printf("07 - backward\n");
    printf("08 - volume up\n");
    printf("09 - volume down\n");
    printf("00 - mute\n");

    printf("11 - press and hold: play\n");
    printf("12 - press and hold: stop\n");
    printf("13 - press and hold: pause\n");
    printf("14 - press and hold: fast forward\n");
    printf("15 - press and hold: rewind\n");
    printf("16 - press and hold: forward\n");
    printf("17 - press and hold: backward\n");
    printf("18 - press and hold: volume up\n");
    printf("19 - press and hold: volume down\n");
    printf("10 - press and hold: mute\n");
    printf("2  - release press and hold cmd\n");

    printf("R - absolute volume of 50 percent\n");
    printf("u - skip\n");
    printf("i - query repeat and shuffle mode\n");
    printf("o - repeat single track\n");
    printf("x/X - repeat/disable repeat all tracks\n");
    printf("z/Z - shuffle/disable shuffle all tracks\n");
    
    printf("a/A - register/deregister PLAYBACK_STATUS_CHANGED\n");
    printf("s/S - register/deregister TRACK_CHANGED\n");
    printf("d/D - register/deregister TRACK_REACHED_END\n");
    printf("f/F - register/deregister TRACK_REACHED_START\n");
    printf("g/G - register/deregister PLAYBACK_POS_CHANGED\n");
    printf("h/H - register/deregister BATT_STATUS_CHANGED\n");
    printf("j/J - register/deregister SYSTEM_STATUS_CHANGED\n");
    printf("k/K - register/deregister PLAYER_APPLICATION_SETTING_CHANGED\n");
    printf("l/L - register/deregister NOW_PLAYING_CONTENT_CHANGED\n");
    printf("m/M - register/deregister AVAILABLE_PLAYERS_CHANGED\n");
    printf("n/N - register/deregister ADDRESSED_PLAYER_CHANGED\n");
    printf("y/Y - register/deregister UIDS_CHANGED\n");
    printf("v/V - register/deregister VOLUME_CHANGED\n");

    printf("pp - get media players. Browsing cid 0x%02X\n", browsing_cid);
    printf("pI - Set addressed player\n");
    printf("pO - Set browsed player\n");
    
    printf("pW - go up one level\n");
    printf("pT - go down one level of %s\n", (char *)parent_folder_name);
    
    printf("pQ - browse folders\n");
    printf("pP - browse media items\n");
    printf("pj - browse now playing items\n");
    printf("ps - browse search folder\n");
    printf("pn - search 3\n");
    
    printf("pm - Set max num fragments to 0x02\n");
    printf("pM - Set max num fragments to 0xFF\n");
    
    printf("p1 - Get item attributes of first media element for virtual file system scope\n");
    printf("p2 - Get item attributes of first media element for now playing scope\n");
    printf("p3 - Get item attributes of first media element for search scope\n");
    printf("p4 - Get item attributes of first media element for media player list scope\n");
    
    printf("pl - Get total num items for media player list scope\n");
    printf("pL - Get total num items for now playing scope\n");
    printf("pS - Get total num items for search scope\n");

    printf("pi - Play first media item for virtual filesystem scope \n");
    printf("pt - Play first media item for search scope \n");
    printf("pr - Play first media item for now playing scope\n");

    printf("p5 - Add to now playing: first media item from virtual file system\n");
    printf("p6 - Add to now playing: first media item from search folder\n");

    printf("pf - Send fragmented (long) command\n");

    printf("Ctrl-c - exit\n");
    printf("---\n");
}

#endif

static uint8_t media_sbc_codec_capabilities[] = {
    0xFF,//(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
    0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS,
    2, 53
}; 

#ifdef HAVE_BTSTACK_STDIN

static void stdin_process(char * cmd, int size){
    UNUSED(size);
    uint8_t status = ERROR_CODE_SUCCESS;
    sep.seid = 1;
    
    switch (cmd[0]){
        case 'b':
            printf("Establish AVDTP sink connection to %s\n", device_addr_string);
            avdtp_sink_connect(device_addr, &avdtp_cid);
            break;
        case 'B':
            printf("Disconnect AVDTP sink\n");
            avdtp_sink_disconnect(avdtp_cid);
            break;
        case 'c':
            printf("Establish AVRCP connection to %s.\n", bd_addr_to_str(device_addr));
            avrcp_controller_connect(device_addr, &avrcp_cid);
            break;
        case 'C':
            printf("Disconnect AVRCP\n");
            avrcp_controller_disconnect(avrcp_cid);
            break;

         case 'e':
            if (!avrcp_connected) {
                printf(" You must first create AVRCP connection for control to addr %s.\n", bd_addr_to_str(device_addr));
                break;
            }
            printf(" - Create AVRCP connection for browsing to addr %s.\n", bd_addr_to_str(device_addr));
            status = avrcp_browsing_controller_connect(device_addr, ertm_buffer, sizeof(ertm_buffer), &ertm_config, &browsing_cid);
            break;
        case 'E':
            if (avrcp_browsing_connected){
                printf(" - AVRCP Browsing Controller disconnect from addr %s.\n", bd_addr_to_str(device_addr));
                status = avrcp_browsing_controller_disconnect(browsing_cid);
                break;
            }
            printf("AVRCP Browsing Controller already disconnected\n");
            break;

        case '\n':
        case '\r':
            break;
        case 'q': 
            printf("AVRCP: get capabilities: supported events\n");
            avrcp_controller_get_supported_events(avrcp_cid);
            break;
        case 'w':
            printf("AVRCP: get unit info\n");
            avrcp_controller_unit_info(avrcp_cid);
            break;
        case '*':
            printf("AVRCP: get subunit info\n");
            avrcp_controller_subunit_info(avrcp_cid);
            break;
        case 'r':
            printf("AVRCP: get play status\n");
            avrcp_controller_get_play_status(avrcp_cid);
            break;
        case 't':
            printf("AVRCP: get now playing info\n");
            avrcp_controller_get_now_playing_info(avrcp_cid);
            break;
        case '0':
            switch (cmd[1]){
                case '1':
                    printf("AVRCP: play\n");
                    avrcp_controller_play(avrcp_cid);
                    break;
                case '2':
                    printf("AVRCP: stop\n");
                    avrcp_controller_stop(avrcp_cid);
                    break;
                case '3':
                    printf("AVRCP: pause\n");
                    avrcp_controller_pause(avrcp_cid);
                    break;
                case '4':
                    printf("AVRCP: fast forward\n");
                    avrcp_controller_fast_forward(avrcp_cid);
                    break;
                case '5':
                    printf("AVRCP: rewind\n");
                    avrcp_controller_rewind(avrcp_cid);
                    break;
                case '6':
                    printf("AVRCP: forward\n");
                    avrcp_controller_forward(avrcp_cid); 
                    break;
                case '7':
                    printf("AVRCP: backward\n");
                    avrcp_controller_backward(avrcp_cid);
                    break;
                case '8':
                    printf("AVRCP: volume up\n");
                    avrcp_controller_volume_up(avrcp_cid);
                    break;
                case '9':
                    printf("AVRCP: volume down\n");
                    avrcp_controller_volume_down(avrcp_cid);
                    break;
                case '0':
                    printf("AVRCP: mute\n");
                    avrcp_controller_mute(avrcp_cid);
                    break;
                default:
                    break;
            }
            break;
         
         case '1':
            switch (cmd[1]){
                case '1':
                    printf("AVRCP: play\n");
                    avrcp_controller_press_and_hold_play(avrcp_cid);
                    break;
                case '2':
                    printf("AVRCP: stop\n");
                    avrcp_controller_press_and_hold_stop(avrcp_cid);
                    break;
                case '3':
                    printf("AVRCP: pause\n");
                    avrcp_controller_press_and_hold_pause(avrcp_cid);
                    break;
                case '4':
                    printf("AVRCP: fast forward\n");
                    avrcp_controller_press_and_hold_fast_forward(avrcp_cid);
                    break;
                case '5':
                    printf("AVRCP: rewind\n");
                    avrcp_controller_press_and_hold_rewind(avrcp_cid);
                    break;
                case '6':
                    printf("AVRCP: forward\n");
                    avrcp_controller_press_and_hold_forward(avrcp_cid); 
                    break;
                case '7':
                    printf("AVRCP: backward\n");
                    avrcp_controller_press_and_hold_backward(avrcp_cid);
                    break;
                case '8':
                    printf("AVRCP: volume up\n");
                    avrcp_controller_press_and_hold_volume_up(avrcp_cid);
                    break;
                case '9':
                    printf("AVRCP: volume down\n");
                    avrcp_controller_press_and_hold_volume_down(avrcp_cid);
                    break;
                case '0':
                    printf("AVRCP: mute\n");
                    avrcp_controller_press_and_hold_mute(avrcp_cid);
                    break;
                default:
                    break;
            }
            break;

         case '2':
            avrcp_controller_release_press_and_hold_cmd(avrcp_cid);
            break;
        case 'R':
            printf("AVRCP: absolute volume of 50 percent\n");
            avrcp_controller_set_absolute_volume(avrcp_cid, 50);
            break;
        case 'u':
            printf("AVRCP: skip\n");
            avrcp_controller_skip(avrcp_cid);
            break;
        case 'i':
            printf("AVRCP: query repeat and shuffle mode\n");
            avrcp_controller_query_shuffle_and_repeat_modes(avrcp_cid);
            break;
        case 'o':
            printf("AVRCP: repeat single track\n");
            avrcp_controller_set_repeat_mode(avrcp_cid, AVRCP_REPEAT_MODE_SINGLE_TRACK);
            break;
        case 'x':
            printf("AVRCP: repeat all tracks\n");
            avrcp_controller_set_repeat_mode(avrcp_cid, AVRCP_REPEAT_MODE_ALL_TRACKS);
            break;
        case 'X':
            printf("AVRCP: disable repeat mode\n");
            avrcp_controller_set_repeat_mode(avrcp_cid, AVRCP_REPEAT_MODE_OFF);
            break;
        case 'z':
            printf("AVRCP: shuffle all tracks\n");
            avrcp_controller_set_shuffle_mode(avrcp_cid, AVRCP_SHUFFLE_MODE_ALL_TRACKS);
            break;
        case 'Z':
            printf("AVRCP: disable shuffle mode\n");
            avrcp_controller_set_shuffle_mode(avrcp_cid, AVRCP_SHUFFLE_MODE_OFF);
            break;

        case 'a':
            printf("AVRCP: enable notification PLAYBACK_STATUS_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED);
            break;
        case 's':
            printf("AVRCP: enable notification TRACK_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_TRACK_CHANGED);
            break;
        case 'd':
            printf("AVRCP: enable notification TRACK_REACHED_END\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_END);
            break;
        case 'f':
            printf("AVRCP: enable notification TRACK_REACHED_START\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_START);
            break;
        case 'g':
            printf("AVRCP: enable notification PLAYBACK_POS_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYBACK_POS_CHANGED);
            break;
        case 'h':
            printf("AVRCP: enable notification BATT_STATUS_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_BATT_STATUS_CHANGED);
            break;
        case 'j':
            printf("AVRCP: enable notification SYSTEM_STATUS_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_SYSTEM_STATUS_CHANGED);
            break;
        case 'k':
            printf("AVRCP: enable notification PLAYER_APPLICATION_SETTING_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYER_APPLICATION_SETTING_CHANGED);
            break;
        case 'l':
            printf("AVRCP: enable notification NOW_PLAYING_CONTENT_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED);
            break;
        case 'm':
            printf("AVRCP: enable notification AVAILABLE_PLAYERS_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_AVAILABLE_PLAYERS_CHANGED);
            break;
        case 'n':
            printf("AVRCP: enable notification ADDRESSED_PLAYER_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_ADDRESSED_PLAYER_CHANGED);
            break;
        case 'y':
            printf("AVRCP: enable notification UIDS_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_UIDS_CHANGED);
            break;
        case 'v':
            printf("AVRCP: enable notification VOLUME_CHANGED\n");
            avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED);
            break;

        case 'A':
            printf("AVRCP: disable notification PLAYBACK_STATUS_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED);
            break;
        case 'S':
            printf("AVRCP: disable notification TRACK_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_TRACK_CHANGED);
            break;
        case 'D':
            printf("AVRCP: disable notification TRACK_REACHED_END\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_END);
            break;
        case 'F':
            printf("AVRCP: disable notification TRACK_REACHED_START\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_START);
            break;
        case 'G':
            printf("AVRCP: disable notification PLAYBACK_POS_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYBACK_POS_CHANGED);
            break;
        case 'H':
            printf("AVRCP: disable notification BATT_STATUS_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_BATT_STATUS_CHANGED);
            break;
        case 'J':
            printf("AVRCP: disable notification SYSTEM_STATUS_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_SYSTEM_STATUS_CHANGED);
            break;
        case 'K':
            printf("AVRCP: disable notification PLAYER_APPLICATION_SETTING_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYER_APPLICATION_SETTING_CHANGED);
            break;
        case 'L':
            printf("AVRCP: disable notification NOW_PLAYING_CONTENT_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED);
            break;
        case 'M':
            printf("AVRCP: disable notification AVAILABLE_PLAYERS_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_AVAILABLE_PLAYERS_CHANGED);
            break;
        case 'N':
            printf("AVRCP: disable notification ADDRESSED_PLAYER_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_ADDRESSED_PLAYER_CHANGED);
            break;
        case 'Y':
            printf("AVRCP: disable notification UIDS_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_UIDS_CHANGED);
            break;
        case 'V':
            printf("AVRCP: disable notification VOLUME_CHANGED\n");
            avrcp_controller_disable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED);
            break;

       
        
        case 'p':
            switch (cmd[1]){
                case 'p':
                    // players[next_media_player_item_index()] = 1;
                    printf("AVRCP Browsing: get media players. Browsing cid 0x%02X\n", browsing_cid);
                    media_player_item_index = -1;
                    status = avrcp_browsing_controller_get_media_players(browsing_cid, 0, 0xFFFFFFFF, AVRCP_MEDIA_ATTR_ALL);
                    break;
                 case 'I':
                    if (media_player_item_index < 0) {
                        printf("Get media players first\n");
                        break;
                    }
                    printf("Set addressed player\n");
                    status = avrcp_controller_set_addressed_player(avrcp_cid, media_player_items[0].player_id);
                    break;
                case 'O':
                    if (media_player_item_index < 0) {
                        printf("Get media players first\n");
                        break;
                    }
                    printf("Set browsed player\n");
                    status = avrcp_browsing_controller_set_browsed_player(browsing_cid, media_player_items[0].player_id);
                    break;
                case 'Q':
                    printf("AVRCP Browsing: browse folders\n");
                    playable_folder_index = 0;
                    folder_index = -1;
                    status = avrcp_browsing_controller_browse_file_system(browsing_cid, 0, 0xFFFFFFFF, AVRCP_MEDIA_ATTR_ALL);
                    break;
                case 'P':
                    printf("AVRCP Browsing: browse media items\n");
                    avrcp_browsing_controller_browse_media(browsing_cid, 1, 10, AVRCP_MEDIA_ATTR_ALL);
                    break;
                case 'W':
                    printf("AVRCP Browsing: go up one level\n");
                    status = avrcp_browsing_controller_go_up_one_level(browsing_cid);
                    folder_index = -1;
                    break;
                case 'T':
                    if (folder_index < 0 && !parent_folder_set){
                        printf("AVRCP Browsing: no folders available\n");
                        break;
                    }
                    if (!parent_folder_set){
                        parent_folder_set = 1;
                        memcpy(parent_folder_name, folders[playable_folder_index].name, folders[playable_folder_index].name_len);
                        memcpy(parent_folder_uid, folders[playable_folder_index].uid, 8);
                    }
                    printf("AVRCP Browsing: go down one level of %s\n", (char *)parent_folder_name);
                    status = avrcp_browsing_controller_go_down_one_level(browsing_cid, parent_folder_uid);
                    folder_index = -1;
                    break;
                
                case 'j':
                    printf("AVRCP Browsing: browse now playing items\n");
                    playable_folder_index = 0;
                    folder_index = -1;
                    status = avrcp_browsing_controller_browse_now_playing_list(browsing_cid, 0, 0xFFFFFFFF, AVRCP_MEDIA_ATTR_ALL);
                    break;
                case 'n':
                    printf("AVRCP Browsing: search 3\n");
                    status = avrcp_browsing_controller_search(browsing_cid, 1, "3");
                    break;
                case 's':
                    printf("AVRCP Browsing: browse search folder\n");
                    media_element_item_index = -1;
                    status = avrcp_browsing_controller_browse_media(browsing_cid, 0, 0xFFFFFFFF, AVRCP_MEDIA_ATTR_ALL);
                    break;
                case 'm':
                    printf("Set max num fragments to 0x02\n");
                    status = avrcp_controller_set_max_num_fragments(avrcp_cid, 0x02);
                    break;
                case 'M':
                    printf("Set max num fragments to 0xFF\n");
                    status = avrcp_controller_set_max_num_fragments(avrcp_cid, 0xFF);
                    break;
                case 'A':
                    if (folder_index < 0 && !parent_folder_set){
                        printf("AVRCP Browsing: no folders available\n");
                        break;
                    }
                    if (!parent_folder_set){
                        parent_folder_set = 1;
                        memcpy(parent_folder_name, folders[playable_folder_index].name, folders[playable_folder_index].name_len);
                        memcpy(parent_folder_uid, folders[playable_folder_index].uid, 8);
                    }
                    printf("AVRCP Browsing: go down one level of %s\n", (char *)parent_folder_name);
                    status = avrcp_browsing_controller_go_down_one_level(browsing_cid, parent_folder_uid);
                    folder_index = -1;
                    break;
                case '1':
                    printf("Get item attributes of first media item for virtual file system scope\n");
                    avrcp_browsing_controller_get_item_attributes_for_scope(browsing_cid, media_element_items[0].uid, browsing_uid_counter, 1 << AVRCP_MEDIA_ATTR_TITLE, AVRCP_BROWSING_MEDIA_PLAYER_VIRTUAL_FILESYSTEM);
                    break;
                case '2':
                    printf("Get item attributes of first media item for now playing scope\n");
                    avrcp_browsing_controller_get_item_attributes_for_scope(browsing_cid, media_element_items[0].uid, browsing_uid_counter, 1 << AVRCP_MEDIA_ATTR_TITLE, AVRCP_BROWSING_NOW_PLAYING);
                    break;
                case '3':
                    printf("Get item attributes of first media item for search scope\n");
                    avrcp_browsing_controller_get_item_attributes_for_scope(browsing_cid, media_element_items[0].uid, browsing_uid_counter, 1 << AVRCP_MEDIA_ATTR_TITLE, AVRCP_BROWSING_SEARCH);
                    break;
                case '4':
                    printf("Get item attributes of first media item for media player list scope\n");
                    avrcp_browsing_controller_get_item_attributes_for_scope(browsing_cid, media_element_items[0].uid, browsing_uid_counter, 1 << AVRCP_MEDIA_ATTR_TITLE, AVRCP_BROWSING_MEDIA_PLAYER_LIST);
                    break;
                
                case 'l': 
                    printf("Get total num items for media player list scope\n");
                    status = avrcp_browsing_controller_get_total_nr_items_for_scope(browsing_cid, AVRCP_BROWSING_MEDIA_PLAYER_LIST);
                    break;
                case 'L': 
                    printf("Get total num items for now playing scope.\n");
                    status = avrcp_browsing_controller_get_total_nr_items_for_scope(browsing_cid, AVRCP_BROWSING_NOW_PLAYING);
                    break;
                case 'S': 
                    printf("Get total num items for search scope.\n");
                    status = avrcp_browsing_controller_get_total_nr_items_for_scope(browsing_cid, AVRCP_BROWSING_SEARCH);
                    break;
                
                case 'i':
                    printf("Play first media item for virtual filesystem scope\n");
                    if (media_element_item_index < 0){
                        printf("AVRCP Browsing: no media items found\n");
                        break;
                    }
                    // printf_hexdump(media_element_items[0].uid, 8);
                    status = avrcp_controller_play_item_for_scope(avrcp_cid, media_element_items[0].uid, media_element_item_index, AVRCP_BROWSING_MEDIA_PLAYER_VIRTUAL_FILESYSTEM);
                    break;
                case 't':
                    printf("Play first media item for search scope\n");
                    if (media_element_item_index < 0){
                        printf("AVRCP Browsing: no media items found\n");
                        break;
                    }
                    // printf_hexdump(media_element_items[0].uid, 8);
                    status = avrcp_controller_play_item_for_scope(avrcp_cid, media_element_items[0].uid, media_element_item_index, AVRCP_BROWSING_SEARCH);
                    break;
                case 'r':
                    printf("Play first media item for now playing scope\n");
                    if (media_element_item_index < 0){
                        printf("AVRCP Browsing: no media items found\n");
                        break;
                    }
                    // printf_hexdump(media_element_items[0].uid, 8);
                    status = avrcp_controller_play_item_for_scope(avrcp_cid, media_element_items[0].uid, media_element_item_index, AVRCP_BROWSING_NOW_PLAYING);
                    break;

                case '5':
                    printf("Add to now playing: first media item from virtual file system\n");
                    if (media_element_item_index < 0){
                        printf("AVRCP Browsing: no media items found\n");
                        break;
                    }
                    // printf_hexdump(media_element_items[0].uid, 8);
                    status = avrcp_controller_add_item_from_scope_to_now_playing_list(avrcp_cid, media_element_items[0].uid, media_element_item_index, AVRCP_BROWSING_MEDIA_PLAYER_VIRTUAL_FILESYSTEM);
                    break;

                case '6':
                    printf("Add to now playing: first media item from search folder\n");
                    if (media_element_item_index < 0){
                        printf("AVRCP Browsing: no media items found\n");
                        break;
                    }
                    // printf_hexdump(media_element_items[0].uid, 8);
                    status = avrcp_controller_add_item_from_scope_to_now_playing_list(avrcp_cid, media_element_items[0].uid, media_element_item_index, AVRCP_BROWSING_SEARCH);
                    break;
                
                case 'f':
                    printf("Send fragmented command\n");
                    status = avrcp_controller_send_custom_command(avrcp_cid, AVRCP_CTYPE_CONTROL, AVRCP_SUBUNIT_TYPE_PANEL, AVRCP_SUBUNIT_ID, AVRCP_CMD_OPCODE_VENDOR_DEPENDENT,
                     fragmented_message, sizeof(fragmented_message));
                    break;

                default:
                    break;
            }
            break;
        default:
            show_usage();
            break;

    }
    if (status != ERROR_CODE_SUCCESS){
        printf("Could not complete cmd %s, status 0x%02X\n", cmd, status);
    }
}
#endif


int btstack_main(int argc, const char * argv[]);
int btstack_main(int argc, const char * argv[]){

    UNUSED(argc);
    (void)argv;

    /* Register for HCI events */
    hci_event_callback_registration.callback = &packet_handler;
    hci_add_event_handler(&hci_event_callback_registration);

    l2cap_init();
    // Initialize AVDTP Sink
    avdtp_sink_init(&a2dp_sink_context);
    avdtp_sink_register_packet_handler(&packet_handler);

    local_stream_endpoint = avdtp_sink_create_stream_endpoint(AVDTP_SINK, AVDTP_AUDIO);
    if (!local_stream_endpoint) {
        printf("AVRCP Controller/AVDTP Sink: not enough memory to create local_stream_endpoint\n");
        return 1;
    }

    local_stream_endpoint->sep.seid = 1;
    avdtp_sink_register_media_transport_category(local_stream_endpoint->sep.seid);
    avdtp_sink_register_media_codec_category(local_stream_endpoint->sep.seid, AVDTP_AUDIO, AVDTP_CODEC_SBC, media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities));

    // Initialize AVRCP COntroller
    avrcp_controller_init();
    avrcp_controller_register_packet_handler(&packet_handler);
    avrcp_browsing_controller_init();
    avrcp_browsing_controller_register_packet_handler(&packet_handler);
    
    // Initialize SDP 
    sdp_init();
    // setup AVDTP sink
    memset(sdp_avdtp_sink_service_buffer, 0, sizeof(sdp_avdtp_sink_service_buffer));
    a2dp_sink_create_sdp_record(sdp_avdtp_sink_service_buffer, 0x10001, 1, NULL, NULL);
    sdp_register_service(sdp_avdtp_sink_service_buffer);
    
    // setup AVRCP
    memset(sdp_avrcp_controller_service_buffer, 0, sizeof(sdp_avrcp_controller_service_buffer));
    avrcp_controller_create_sdp_record(sdp_avrcp_controller_service_buffer, 0x10001, AVRCP_BROWSING_ENABLED, 1, NULL, NULL);
    sdp_register_service(sdp_avrcp_controller_service_buffer);

    gap_set_local_name("BTstack AVRCP Controller PTS 00:00:00:00:00:00");
    gap_discoverable_control(1);
    gap_set_class_of_device(0x200408);

    printf("TSPX_avctp_iut_command_data: ");
    int i; for (i=0;i<sizeof(fragmented_message);i++){ printf("%02x", fragmented_message[i]);}
    printf("\n");

#ifdef HAVE_BTSTACK_STDIN
    // parse human readable Bluetooth address
    sscanf_bd_addr(device_addr_string, device_addr);
    btstack_stdin_pts_setup(stdin_process);
#endif
    // turn on!
    hci_power_control(HCI_POWER_ON);
    return 0;
}