android 编译faad2

由于最近要做AAC解码，查看了网上最初有两种思路：第一章种是ffmpeg，我查看./configure --list-decoders的时候，有看到aac解码器，同时在x86上编译也能够打开aac解码器，但是用用ndk交叉编译的时候即使--enable-decoder=aac也没有打开AAC解码器，所以这种方法暂停。第二中方法是使用faad2解码，在x86上调试，写一个demo能够解码aac，然后就是交叉编译，也得到库，所以就使用第二种方法。在这里记录下来，帮助解码AAC的同仁。

1、到官网
下载faad,当前的版本是2.7，

2、创建一个文件夹AACDecoder,进入AACDecoder

3、将下载的faad加压，并且重新命名为jni

4、然后就是创建Android.mk, Application.mk，首先在jni目录下面创建Android.mk

[html]
LOCAL_PATH := $(call my-dir) 
 
FAAD2_TOP := $(LOCAL_PATH) 
 
include $(CLEAR_VARS) 
 
include $(FAAD2_TOP)/libfaad/Android.mk 

LOCAL_PATH := $(call my-dir)

FAAD2_TOP := $(LOCAL_PATH)

include $(CLEAR_VARS)

include $(FAAD2_TOP)/libfaad/Android.mk
然后就是Application.mk,当然不创建Application.mk也没有问题

[html]
APP_ABI := armeabi 

APP_ABI := armeabi
5.创建config.h

[java]
/* config.h.  Generated from config.h.in by configure.  */ 
/* config.h.in.  Generated from configure.in by autoheader.  */ 
 
/* Define if you want to use libfaad together with Digital Radio Mondiale
   (DRM) */ 
/* #undef DRM */ 
 
/* Define if you want support for Digital Radio Mondiale (DRM) parametric
   stereo */ 
/* #undef DRM_PS */ 
 
/* Define to 1 if you have the <dlfcn.h> header file. */ 
#define HAVE_DLFCN_H 1 
 
/* Define to 1 if you have the <errno.h> header file. */ 
#define HAVE_ERRNO_H 1 
 
/* Define if needed */ 
/* #undef HAVE_FLOAT32_T */ 
 
/* Define to 1 if you have the <float.h> header file. */ 
#define HAVE_FLOAT_H 1 
 
/* Define to 1 if you have the `getpwuid' function. */ 
#define HAVE_GETPWUID 1 
 
/* Define to 1 if you have the <inttypes.h> header file. */ 
#define HAVE_INTTYPES_H 1 
 
/* Define if you have the IOKit API */ 
/* #undef HAVE_IOKIT_IOKITLIB_H */ 
 
/* Define to 1 if you have the <limits.h> header file. */ 
#define HAVE_LIMITS_H 1 
 
/* Define if you have C99's lrintf function. */ 
#define HAVE_LRINTF 1 
 
/* Define to 1 if you have the <mathf.h> header file. */ 
/* #undef HAVE_MATHF_H */ 
 
/* Define to 1 if you have the `memcpy' function. */ 
#define HAVE_MEMCPY 1 
 
/* Define to 1 if you have the <memory.h> header file. */ 
#define HAVE_MEMORY_H 1 
 
/* Define to 1 if you have the <stdint.h> header file. */ 
#define HAVE_STDINT_H 1 
 
/* Define to 1 if you have the <stdlib.h> header file. */ 
#define HAVE_STDLIB_H 1 
 
/* Define to 1 if you have the `strchr' function. */ 
#define HAVE_STRCHR 1 
 
/* Define to 1 if you have the <strings.h> header file. */ 
#define HAVE_STRINGS_H 1 
 
/* Define to 1 if you have the <string.h> header file. */ 
#define HAVE_STRING_H 1 
 
/* Define to 1 if you have the `strsep' function. */ 
#define HAVE_STRSEP 1 
 
/* Define to 1 if you have the <sysfs/libsysfs.h> header file. */ 
/* #undef HAVE_SYSFS_LIBSYSFS_H */ 
 
/* Define to 1 if you have the <sys/stat.h> header file. */ 
#define HAVE_SYS_STAT_H 1 
 
/* Define to 1 if you have the <sys/time.h> header file. */ 
#define HAVE_SYS_TIME_H 1 
 
/* Define to 1 if you have the <sys/types.h> header file. */ 
#define HAVE_SYS_TYPES_H 1 
 
/* Define to 1 if you have the <unistd.h> header file. */ 
#define HAVE_UNISTD_H 1 
 
/* Define to 1 if your C compiler doesn't accept -c and -o together. */ 
/* #undef NO_MINUS_C_MINUS_O */ 
 
/* Name of package */ 
#define PACKAGE "faad2" 
 
/* Define to the address where bug reports for this package should be sent. */ 
#define PACKAGE_BUGREPORT "" 
 
/* Define to the full name of this package. */ 
#define PACKAGE_NAME "" 
 
/* Define to the full name and version of this package. */ 
#define PACKAGE_STRING "" 
 
/* Define to the one symbol short name of this package. */ 
#define PACKAGE_TARNAME "" 
 
/* Define to the version of this package. */ 
#define PACKAGE_VERSION "" 
 
/* Define to 1 if you have the ANSI C header files. */ 
#define STDC_HEADERS 1 
 
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */ 
#define TIME_WITH_SYS_TIME 1 
 
/* Version number of package */ 
#define VERSION "2.7.0" 
 
/* Define to 1 if your processor stores words with the most significant byte
   first (like Motorola and SPARC, unlike Intel and VAX). */ 
/* #undef WORDS_BIGENDIAN */ 
 
/* Define to `__inline__' or `__inline' if that's what the C compiler
   calls it, or to nothing if 'inline' is not supported under any name.  */ 
#ifndef __cplusplus 
/* #undef inline */ 
#endif 
 
/* Define to `long int' if <sys/types.h> does not define. */ 
/* #undef off_t */ 

/* config.h.  Generated from config.h.in by configure.  */
/* config.h.in.  Generated from configure.in by autoheader.  */

/* Define if you want to use libfaad together with Digital Radio Mondiale
   (DRM) */
/* #undef DRM */

/* Define if you want support for Digital Radio Mondiale (DRM) parametric
   stereo */
/* #undef DRM_PS */

/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 1

/* Define to 1 if you have the <errno.h> header file. */
#define HAVE_ERRNO_H 1

/* Define if needed */
/* #undef HAVE_FLOAT32_T */

/* Define to 1 if you have the <float.h> header file. */
#define HAVE_FLOAT_H 1

/* Define to 1 if you have the `getpwuid' function. */
#define HAVE_GETPWUID 1

/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1

/* Define if you have the IOKit API */
/* #undef HAVE_IOKIT_IOKITLIB_H */

/* Define to 1 if you have the <limits.h> header file. */
#define HAVE_LIMITS_H 1

/* Define if you have C99's lrintf function. */
#define HAVE_LRINTF 1

/* Define to 1 if you have the <mathf.h> header file. */
/* #undef HAVE_MATHF_H */

/* Define to 1 if you have the `memcpy' function. */
#define HAVE_MEMCPY 1

/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1

/* Define to 1 if you have the <stdint.h>

补充：移动开发 , Android ,

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