1 /* 2 * Copyright (C) 2022 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 * 17 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN 21 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 24 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 /** 33 * @title LC3 Google Adapter 34 */ 35 36 #ifndef BTSTACK_LC3_GOOGLE_H 37 #define BTSTACK_LC3_GOOGLE_H 38 39 #include <stdint.h> 40 #include "lc3.h" 41 #include "btstack_lc3.h" 42 43 #if defined __cplusplus 44 extern "C" { 45 #endif 46 47 /* API_START */ 48 49 typedef struct { 50 lc3_decoder_mem_48k_t decoder_mem; 51 lc3_decoder_t decoder; // pointer 52 uint32_t sample_rate; 53 btstack_lc3_frame_duration_t frame_duration; 54 uint16_t octets_per_frame; 55 } btstack_lc3_decoder_google_t; 56 57 typedef struct { 58 lc3_encoder_mem_48k_t encoder_mem; 59 lc3_encoder_t encoder; // pointer 60 uint32_t sample_rate; 61 btstack_lc3_frame_duration_t frame_duration; 62 uint16_t octets_per_frame; 63 } btstack_lc3_encoder_google_t; 64 65 /** 66 * Init LC3 Decoder Instance 67 * @param context for EHIMA LC3 decoder 68 */ 69 const btstack_lc3_decoder_t * btstack_lc3_decoder_google_init_instance(btstack_lc3_decoder_google_t * context); 70 71 /** 72 * Init LC3 Decoder Instance 73 * @param context for EHIMA LC3 decoder 74 */ 75 const btstack_lc3_encoder_t * btstack_lc3_encoder_google_init_instance(btstack_lc3_encoder_google_t * context); 76 77 /* API_END */ 78 79 #if defined __cplusplus 80 } 81 #endif 82 #endif // BTSTACK_LC3_GOOGLE_H 83