1 /* 2 * Copyright (C) 2017 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 // ***************************************************************************** 39 // 40 // AVRCP Media Item Iterator 41 // 42 // ***************************************************************************** 43 44 #ifndef AVRCP_MEDIA_ITEM_ITERATOR_H 45 #define AVRCP_MEDIA_ITEM_ITERATOR_H 46 47 #include "btstack_config.h" 48 #include <stdint.h> 49 50 #if defined __cplusplus 51 extern "C" { 52 #endif 53 54 /* API_START */ 55 56 typedef struct avrcp_media_item_context { 57 const uint8_t * data; 58 uint16_t offset; 59 uint16_t length; 60 } avrcp_media_item_context_t; 61 62 // Media item data iterator 63 void avrcp_media_item_iterator_init(avrcp_media_item_context_t *context, uint16_t avrcp_media_item_len, const uint8_t * avrcp_media_item_data); 64 int avrcp_media_item_iterator_has_more(const avrcp_media_item_context_t * context); 65 void avrcp_media_item_iterator_next(avrcp_media_item_context_t * context); 66 67 // Access functions 68 uint32_t avrcp_media_item_iterator_get_attr_id(const avrcp_media_item_context_t * context); 69 uint16_t avrcp_media_item_iterator_get_attr_charset(const avrcp_media_item_context_t * context); 70 uint16_t avrcp_media_item_iterator_get_attr_value_len(const avrcp_media_item_context_t * context); 71 const uint8_t * avrcp_media_item_iterator_get_attr_value(const avrcp_media_item_context_t * context); 72 73 /* API_END */ 74 75 #if defined __cplusplus 76 } 77 #endif 78 #endif // AVRCP_MEDIA_ITEM_ITERATOR_H 79