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 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 // HFP mSBC encoder wrapper 41 // 42 // ***************************************************************************** 43 44 #ifndef HFP_MSBC_H 45 #define HFP_MSBC_H 46 47 #include "btstack_config.h" 48 49 #include <stdint.h> 50 51 #if defined __cplusplus 52 extern "C" { 53 #endif 54 55 /* API_START */ 56 57 /** 58 * 59 */ 60 void hfp_msbc_init(void); 61 62 /** 63 * 64 */ 65 int hfp_msbc_num_audio_samples_per_frame(void); 66 67 /** 68 * 69 */ 70 int hfp_msbc_can_encode_audio_frame_now(void); 71 72 /** 73 * @param pcm_samples - complete audio frame of hfp_msbc_num_audio_samples_per_frame int16 samples 74 */ 75 void hfp_msbc_encode_audio_frame(int16_t * pcm_samples); 76 77 /** 78 * 79 */ 80 int hfp_msbc_num_bytes_in_stream(void); 81 82 /** 83 * 84 * @param buffer to store stream 85 * @param size num bytes to read from stream 86 */ 87 void hfp_msbc_read_from_stream(uint8_t * buffer, int size); 88 89 /** 90 * @brief De-Init HFP mSBC Codec 91 */ 92 void hfp_msbc_deinit(void); 93 94 /* API_END */ 95 96 #if defined __cplusplus 97 } 98 #endif 99 100 #endif 101