/* * Copyright (c) 2020 Actions Technology Co., Ltd * * SPDX-License-Identifier: Apache-2.0 */ #ifndef __COMPRESSION_RLE_H__ #define __COMPRESSION_RLE_H__ #include #ifdef __cplusplus extern "C" { #endif /** * @brief RLE encode * * @param out_buf pointer to encoded output buffer * @param out_size size of output buffer in bytes * @param in_buf pointer to input buffer * @param in_count size of input buffer in elements * @param size size of each element in bytes * * @retval number of bytes actually encoded if out_buf is not NULL * @retval total encoded bytes if out_buf is NULL */ int rle_compress(const uint8_t* in_buf, uint8_t * out_buf, size_t in_count, size_t out_size, size_t size); /** * @brief RLE decode * * @param out_buf pointer to output buffer * @param out_count size of output buffer in elements * @param in_buf pointer to encoded input buffer * @param in_size size of input buffer in bytes * @param size size of each element in bytes * * @retval number of bytes actually decoded if out_buf is not NULL * @retval total decoded bytes if out_buf is NULL */ int rle_decompress(const uint8_t * in_buf, uint8_t * out_buf, int in_size, int out_count, size_t size); #ifdef __cplusplus } #endif #endif /* __COMPRESSION_RLE_H__ */