基于arm平台优化的faac编码器，添加多线程自适应编码程序,对大文件acc编码进行优化，库和头文件已经包含在文件夹内，可直接make使用-Faac encoder based on arm platform optimization, add multi-threaded adaptive coding procedures, optimize the large file acc code, libraries and header files have been included in t

整型自适应算术编码，可用于无损数据压缩，参考文献《ARITHMETIC_CODING_FOR_DATA_COIUPRESSION》-adaptive arithmetic coding which is able to used for lossless data compression, refer to 《ARITHMETIC_CODING_FOR_DATA_COIUPRESSION》