1 /* 2 * Copyright (C) 2014 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 BLUEKITCHEN 24 * GMBH 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 * @title HFP mSBC Encoder 40 * 41 */ 42 43 #ifndef HFP_MSBC_H 44 #define HFP_MSBC_H 45 46 #include "btstack_config.h" 47 48 #include <stdint.h> 49 50 #if defined __cplusplus 51 extern "C" { 52 #endif 53 54 /* API_START */ 55 56 /** 57 * 58 */ 59 void hfp_msbc_init(void); 60 61 /** 62 * 63 */ 64 int hfp_msbc_num_audio_samples_per_frame(void); 65 66 /** 67 * 68 */ 69 int hfp_msbc_can_encode_audio_frame_now(void); 70 71 /** 72 * @param pcm_samples - complete audio frame of hfp_msbc_num_audio_samples_per_frame int16 samples 73 */ 74 void hfp_msbc_encode_audio_frame(int16_t * pcm_samples); 75 76 /** 77 * 78 */ 79 int hfp_msbc_num_bytes_in_stream(void); 80 81 /** 82 * 83 * @param buffer to store stream 84 * @param size num bytes to read from stream 85 */ 86 void hfp_msbc_read_from_stream(uint8_t * buffer, int size); 87 88 /** 89 * @brief De-Init HFP mSBC Codec 90 */ 91 void hfp_msbc_deinit(void); 92 93 /* API_END */ 94 95 #if defined __cplusplus 96 } 97 #endif 98 99 #endif 100