1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _AUDIO_FIFO_WRAPPER_H_ 18 #define _AUDIO_FIFO_WRAPPER_H_ 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 void *fifo_init(uint32_t bytes, bool reader_throttles_writer); 25 void fifo_release(void *fifo_itfe); 26 ssize_t fifo_read(void *fifo_itfe, void *buffer, size_t bytes); 27 ssize_t fifo_write(void *fifo_itfe, void *buffer, size_t bytes); 28 ssize_t fifo_available_to_read(void *fifo_itfe); 29 ssize_t fifo_available_to_write(void *fifo_itfe); 30 ssize_t fifo_flush(void *fifo_itfe); 31 32 #ifdef __cplusplus 33 } 34 #endif 35 #endif /* #ifndef _AUDIO_FIFO_WRAPPER_H_ */ 36