嵌入式 G711A编码音频转码为AAC过程代码示例

柔情只为你懂 2022-06-05 06:51 590阅读 0赞

faac 编译 [http://blog.csdn.net/weiyuefei/article/details/52981782][http_blog.csdn.net_weiyuefei_article_details_52981782]

[http://m.blog.csdn.net/skdkjxy/article/details/39557937][http_m.blog.csdn.net_skdkjxy_article_details_39557937]

### 嵌入式 G711A编码音频转码为AAC过程代码示例 ###

发表于2014/9/25 20:33:02 2881人阅读

分类： 嵌入式

使用开源库faac，该库的编译方法见我的另一个blog：

[faac在不同平台的编译方法小结][faac]

说明：

1、内存泄漏已测试

2、效率也测试通过

/\*

Author : kj  
Time : 2014-09-25  
Function :  
joseph aac, g711a changover aac  
\*/  
  
\#include <fcntl.h>  
\#include <stdio.h>  
\#include <ctype.h>  
\#include <errno.h>  
\#include <stdlib.h>  
\#include <string.h>  
\#include <limits.h>  
\#include <unistd.h>  
\#include <signal.h>  
\#include <dirent.h>  
\#include <pthread.h>  
  
  
\#include <asm/types.h>  
\#include <arpa/inet.h>  
  
  
\#include <sys/vfs.h>  
\#include <sys/time.h>  
\#include <sys/wait.h>  
\#include <sys/stat.h>  
\#include <sys/ioctl.h>  
\#include <sys/types.h>  
\#include <sys/socket.h>  
\#include <sys/utsname.h>  
  
\#include <netdb.h>  
\#include <net/if.h>  
\#include <netinet/in.h>  
\#include <net/route.h>  
\#include <net/if\_arp.h>  
  
\#include <linux/fs.h>  
\#include <linux/sockios.h>  
\#include <linux/netlink.h>  
\#include <linux/rtnetlink.h>  
  
\#include <netinet/in.h>  
\#include <netinet/ip.h>  
\#include <netinet/ether.h>  
\#include <netinet/ip\_icmp.h>  
  
\#include "faac.h"  
  
\#define JOSEPH\_G711A\_FILE"src.g711a"  
\#define JOSEPH\_AAC\_FILE"dest.aac"  
  
static const int16\_t alawtos16\[256\] =  
\{  
\-5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,  
\-7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,  
\-2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,  
\-3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,  
\-22016, -20992, -24064, -23040, -17920, -16896, -19968, -18944,  
\-30208, -29184, -32256, -31232, -26112, -25088, -28160, -27136,  
\-11008, -10496, -12032, -11520, -8960, -8448, -9984, -9472,  
\-15104, -14592, -16128, -15616, -13056, -12544, -14080, -13568,  
\-344, -328, -376, -360, -280, -264, -312, -296,  
\-472, -456, -504, -488, -408, -392, -440, -424,  
\-88, -72, -120, -104, -24, -8, -56, -40,  
\-216, -200, -248, -232, -152, -136, -184, -168,  
\-1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,  
\-1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,  
\-688, -656, -752, -720, -560, -528, -624, -592,  
\-944, -912, -1008, -976, -816, -784, -880, -848,  
5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736,  
7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784,  
2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368,  
3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392,  
22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,  
30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,  
11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472,  
15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,  
344, 328, 376, 360, 280, 264, 312, 296,  
472, 456, 504, 488, 408, 392, 440, 424,  
88, 72, 120, 104, 24, 8, 56, 40,  
216, 200, 248, 232, 152, 136, 184, 168,  
1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184,  
1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696,  
688, 656, 752, 720, 560, 528, 624, 592,  
944, 912, 1008, 976, 816, 784, 880, 848  
\};  
  
  
static const int8\_t alaw\_encode\[2049\] =  
\{  
0xD5, 0xD4, 0xD7, 0xD6, 0xD1, 0xD0, 0xD3, 0xD2, 0xDD, 0xDC, 0xDF, 0xDE,  
0xD9, 0xD8, 0xDB, 0xDA, 0xC5, 0xC4, 0xC7, 0xC6, 0xC1, 0xC0, 0xC3, 0xC2,  
0xCD, 0xCC, 0xCF, 0xCE, 0xC9, 0xC8, 0xCB, 0xCA, 0xF5, 0xF5, 0xF4, 0xF4,  
0xF7, 0xF7, 0xF6, 0xF6, 0xF1, 0xF1, 0xF0, 0xF0, 0xF3, 0xF3, 0xF2, 0xF2,  
0xFD, 0xFD, 0xFC, 0xFC, 0xFF, 0xFF, 0xFE, 0xFE, 0xF9, 0xF9, 0xF8, 0xF8,  
0xFB, 0xFB, 0xFA, 0xFA, 0xE5, 0xE5, 0xE5, 0xE5, 0xE4, 0xE4, 0xE4, 0xE4,  
0xE7, 0xE7, 0xE7, 0xE7, 0xE6, 0xE6, 0xE6, 0xE6, 0xE1, 0xE1, 0xE1, 0xE1,  
0xE0, 0xE0, 0xE0, 0xE0, 0xE3, 0xE3, 0xE3, 0xE3, 0xE2, 0xE2, 0xE2, 0xE2,  
0xED, 0xED, 0xED, 0xED, 0xEC, 0xEC, 0xEC, 0xEC, 0xEF, 0xEF, 0xEF, 0xEF,  
0xEE, 0xEE, 0xEE, 0xEE, 0xE9, 0xE9, 0xE9, 0xE9, 0xE8, 0xE8, 0xE8, 0xE8,  
0xEB, 0xEB, 0xEB, 0xEB, 0xEA, 0xEA, 0xEA, 0xEA, 0x95, 0x95, 0x95, 0x95,  
0x95, 0x95, 0x95, 0x95, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94,  
0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x96, 0x96, 0x96, 0x96,  
0x96, 0x96, 0x96, 0x96, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91,  
0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x93, 0x93, 0x93, 0x93,  
0x93, 0x93, 0x93, 0x93, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92,  
0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9C, 0x9C, 0x9C, 0x9C,  
0x9C, 0x9C, 0x9C, 0x9C, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F,  
0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x99, 0x99, 0x99, 0x99,  
0x99, 0x99, 0x99, 0x99, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,  
0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9A, 0x9A, 0x9A, 0x9A,  
0x9A, 0x9A, 0x9A, 0x9A, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,  
0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x84, 0x84, 0x84, 0x84,  
0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,  
0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87,  
0x87, 0x87, 0x87, 0x87, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,  
0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x81, 0x81, 0x81, 0x81,  
0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,  
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,  
0x80, 0x80, 0x80, 0x80, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,  
0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x82, 0x82, 0x82, 0x82,  
0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,  
0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D,  
0x8D, 0x8D, 0x8D, 0x8D, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C,  
0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8F, 0x8F, 0x8F, 0x8F,  
0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F,  
0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E,  
0x8E, 0x8E, 0x8E, 0x8E, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89,  
0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x88, 0x88, 0x88, 0x88,  
0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,  
0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B,  
0x8B, 0x8B, 0x8B, 0x8B, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A,  
0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0xB5, 0xB5, 0xB5, 0xB5,  
0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5,  
0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5,  
0xB5, 0xB5, 0xB5, 0xB5, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4,  
0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4,  
0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4,  
0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7,  
0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7,  
0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB6, 0xB6, 0xB6, 0xB6,  
0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6,  
0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6,  
0xB6, 0xB6, 0xB6, 0xB6, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1,  
0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1,  
0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1,  
0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0,  
0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0,  
0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB3, 0xB3, 0xB3, 0xB3,  
0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3,  
0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3,  
0xB3, 0xB3, 0xB3, 0xB3, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2,  
0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2,  
0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2,  
0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD,  
0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD,  
0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBC, 0xBC, 0xBC, 0xBC,  
0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC,  
0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC,  
0xBC, 0xBC, 0xBC, 0xBC, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF,  
0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF,  
0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF,  
0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE,  
0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE,  
0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xB9, 0xB9, 0xB9, 0xB9,  
0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9,  
0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9,  
0xB9, 0xB9, 0xB9, 0xB9, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8,  
0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8,  
0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8,  
0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB,  
0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB,  
0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBA, 0xBA, 0xBA, 0xBA,  
0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA,  
0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA,  
0xBA, 0xBA, 0xBA, 0xBA, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,  
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,  
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,  
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,  
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,  
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA4, 0xA4, 0xA4, 0xA4,  
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,  
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,  
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,  
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,  
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,  
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,  
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,  
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,  
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,  
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,  
0xA7, 0xA7, 0xA7, 0xA7, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,  
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,  
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,  
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,  
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,  
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA1, 0xA1, 0xA1, 0xA1,  
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,  
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,  
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,  
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,  
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,  
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,  
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,  
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,  
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,  
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,  
0xA0, 0xA0, 0xA0, 0xA0, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,  
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,  
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,  
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,  
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,  
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA2, 0xA2, 0xA2, 0xA2,  
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,  
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,  
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,  
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,  
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,  
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,  
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,  
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,  
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,  
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,  
0xAD, 0xAD, 0xAD, 0xAD, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,  
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,  
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,  
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,  
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,  
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAF, 0xAF, 0xAF, 0xAF,  
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,  
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,  
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,  
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,  
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,  
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,  
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,  
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,  
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,  
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,  
0xAE, 0xAE, 0xAE, 0xAE, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,  
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,  
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,  
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,  
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,  
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA8, 0xA8, 0xA8, 0xA8,  
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,  
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,  
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,  
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,  
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,  
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,  
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,  
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,  
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,  
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,  
0xAB, 0xAB, 0xAB, 0xAB, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,  
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,  
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,  
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,  
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,  
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0x2A  
\};  
  
  
int g711a\_decode(void \*pout\_buf, int \*pout\_len, const void \*pin\_buf, const int in\_len)  
\{  
int16\_t \*dst = (int16\_t \*)pout\_buf;  
uint8\_t \*src = (uint8\_t \*)pin\_buf;  
uint32\_t i = 0;  
int Ret = 0;  
  
if ((NULL == pout\_buf) || \\  
(NULL == pout\_len) || \\  
(NULL == pin\_buf) || \\  
(0 == in\_len) )  
\{  
return -1;  
\}  
  
if ( \*pout\_len < 2 \* in\_len )  
\{  
return -2;  
\}  
  
for( i = 0; i < in\_len; i++ )  
\{  
\*(dst++) = alawtos16\[\*(src++)\];  
\}  
  
\*pout\_len = 2 \* in\_len;  
  
Ret = 2 \* in\_len;  
return Ret;  
\}  
  
  
int g711a\_encode(void \*pout\_buf, int \*pout\_len, const void \*pin\_buf, const int in\_len)  
\{  
int8\_t \*dst = (int8\_t \*)pout\_buf;  
int16\_t \*src = (int16\_t \*)pin\_buf;  
uint32\_t i = 0;  
int Ret = 0;  
  
if ((NULL == pout\_buf) || \\  
(NULL == pout\_len) || \\  
(NULL == pin\_buf) || \\  
(0 == in\_len) )  
\{  
return -1;  
\}  
  
if ( \*pout\_len < in\_len / 2 )  
\{  
return -2;  
\}  
  
for( i = 0; i < in\_len / 2; i++ )  
\{  
int16\_t s = \*(src++);  
if( s >= 0)  
\{  
\*(dst++) = alaw\_encode\[s / 16\];  
\}  
else  
\{  
\*(dst++) = 0x7F & alaw\_encode\[s / -16\];  
\}  
\}  
  
\*pout\_len = in\_len / 2;  
  
Ret = in\_len / 2;  
  
return Ret;  
\}  
  
  
int main(int argc, char \*argv\[\])  
\{  
/\*pcm file for input\*/  
FILE\* fpIn;  
/\*AAC file for output\*/  
FILE\* fpOut;  
  
int nRet = 0;  
int nTmp = 0;  
int nCount = 0;  
int nStatus = 0;  
int nPCMRead = 0;  
int PCMSize = 320;  
int gBytesRead = 0;  
int nBytesRead = 0;  
int nPCMBufferSize = 0;  
  
  
unsigned char \*pPCM = NULL;  
unsigned char \*pbPCMBuffer = NULL;  
unsigned char \*pbAACBuffer = NULL;  
unsigned char \*pbG711ABuffer = NULL;  
unsigned char \*pbPCMTmpBuffer = NULL;  
  
  
unsigned int objectType = LOW;  
unsigned int mpegVersion = MPEG2;  
static unsigned int useTns = 0;//\#define DEFAULT\_TNS 0  
  
  
unsigned int nChannels = 1;   
unsigned int nPCMBitSize = 16;  
unsigned long nInputSamples = 0;  
unsigned long nSampleRate = 8000;  
unsigned long nMaxOutputBytes = 0;  
  
faacEncHandle hEncoder;  
faacEncConfigurationPtr pConfiguration;  
  
  
fpIn = fopen(JOSEPH\_G711A\_FILE, "rb");  
if(NULL == fpIn)  
\{  
printf("%s:\[%d\] open %s file failed\\n",\_\_FUNCTION\_\_,\_\_LINE\_\_,JOSEPH\_G711A\_FILE);  
return -1;  
\}  
  
  
fpOut = fopen(JOSEPH\_AAC\_FILE, "wb");  
if(NULL == fpOut)  
\{  
printf("%s:\[%d\] open %s file failed\\n",\_\_FUNCTION\_\_,\_\_LINE\_\_,JOSEPH\_AAC\_FILE);  
return -1;  
\}  
  
  
/\*open FAAC engine\*/  
hEncoder = faacEncOpen(nSampleRate, nChannels, &nInputSamples, &nMaxOutputBytes);  
if(hEncoder == NULL)  
\{  
printf("%s:\[%d\] failed to call faacEncOpen !\\n",\_\_FUNCTION\_\_,\_\_LINE\_\_);  
return -1;  
\}  
  
  
printf("%s:\[%d\] nInputSamples == %ld, nMaxOutput == %ld !\\n",\\  
\_\_FUNCTION\_\_,\_\_LINE\_\_, nInputSamples, nMaxOutputBytes);  
  
nPCMBufferSize = (nInputSamples \* (nPCMBitSize/8));  
pbPCMBuffer = (unsigned char\*)malloc(nPCMBufferSize \* sizeof(unsigned char));  
memset(pbPCMBuffer, 0, nPCMBufferSize);  
  
  
pbAACBuffer = (unsigned char\*)malloc(nMaxOutputBytes \* sizeof(unsigned char));  
memset(pbAACBuffer,0,nMaxOutputBytes);  
  
  
pbG711ABuffer = (unsigned char \*)malloc(164 \*sizeof(unsigned char));  
memset(pbG711ABuffer, 0, 164);  
  
  
pbPCMTmpBuffer = (unsigned char \*)malloc(PCMSize \*sizeof(unsigned char));  
memset(pbPCMTmpBuffer, 0, PCMSize);  
  
/\*get current encoding configuration\*/  
pConfiguration = faacEncGetCurrentConfiguration(hEncoder);  
pConfiguration->inputFormat = FAAC\_INPUT\_16BIT;  
  
  
/\*0 - raw; 1 - ADTS\*/  
pConfiguration->outputFormat = 1;  
pConfiguration->useTns = useTns;  
pConfiguration->aacObjectType = objectType;  
pConfiguration->mpegVersion = mpegVersion;  
  
  
  
  
/\*set encoding configuretion\*/  
nRet = faacEncSetConfiguration(hEncoder, pConfiguration);  
  
while((gBytesRead = fread(pbG711ABuffer, 1, 164, fpIn)) >0)  
\{  
nStatus = 0;  
  
  
/\*hisi audio the first 4 bytes is error\*/  
pPCM = pbG711ABuffer + 4;  
memset(pbPCMTmpBuffer, 0, PCMSize);  
if((nPCMRead = g711a\_decode(pbPCMTmpBuffer, &PCMSize, pPCM, gBytesRead - 4)) < 0)  
\{  
printf("%s:\[%d\] G711A -> PCM failed !\\n",\_\_FUNCTION\_\_,\_\_LINE\_\_);  
  
break;  
\}  
  
if((nPCMBufferSize - nCount) < nPCMRead)  
\{  
nStatus = 1;  
memset(pbAACBuffer,0,nMaxOutputBytes);  
memcpy(pbPCMBuffer + nCount, pbPCMTmpBuffer, (nPCMBufferSize - nCount));  
nInputSamples = (nPCMBufferSize / (nPCMBitSize / 8));  
nRet = faacEncEncode(hEncoder, (int\*)pbPCMBuffer, nInputSamples, pbAACBuffer, nMaxOutputBytes);  
fwrite(pbAACBuffer, 1, nRet, fpOut);  
  
nTmp = nPCMRead - (nPCMBufferSize - nCount);  
memset(pbPCMBuffer, 0, nPCMBufferSize);  
memcpy(pbPCMBuffer, pbPCMTmpBuffer + (nPCMBufferSize - nCount),nTmp);  
nCount = 0;  
nCount += nTmp;  
  
\}  
  
  
if( nStatus == 0)  
\{  
memcpy( pbPCMBuffer + nCount, pbPCMTmpBuffer, nPCMRead);  
nCount += nPCMRead;  
\}  
  
  
  
if(nPCMRead < 320)  
\{  
nInputSamples = (nCount / (nPCMBitSize / 8));  
nRet = faacEncEncode(hEncoder, (int\*) pbPCMBuffer, nInputSamples, pbAACBuffer, nMaxOutputBytes);  
fwrite(pbAACBuffer, 1, nRet, fpOut);  
\}  
  
  
  
  
\}  
  
  
/\*Close FAAC engine\*/  
nRet = faacEncClose(hEncoder);  
  
  
/\*free the source of malloc\*/  
free(pbPCMBuffer);  
pbPCMBuffer = NULL;  
free(pbAACBuffer);  
pbAACBuffer = NULL;  
free(pbG711ABuffer);  
pbG711ABuffer = NULL;  
free(pbPCMTmpBuffer);  
pbPCMTmpBuffer = NULL;  
  
  
/\*close file fp\*/  
fclose(fpIn);  
fclose(fpOut);  
  
printf("%s:\[%d\] The sys changover succeed !\\n",\_\_FUNCTION\_\_,\_\_LINE\_\_);  
return 0;  
  
  
\}

[http_blog.csdn.net_weiyuefei_article_details_52981782]: http://blog.csdn.net/weiyuefei/article/details/52981782
[http_m.blog.csdn.net_skdkjxy_article_details_39557937]: http://m.blog.csdn.net/skdkjxy/article/details/39557937
[faac]: http://blog.csdn.net/skdkjzz/article/details/39529655