一、基本信息

1、移植环境

①：ubuntu16.04

②：iMX6Q开发板

2、移植所需软件源码

①：libmad libmad 下载

②：mplayer mplayer下载

③：百度网盘下载：

链接：https://pan.baidu.com/s/1KM3VNY4RWhBKFsN4me8shg

提取码：rds1

二、移植Libmad

①：版本选择：libmad-0.15.1b.tar.gz

②：libmad准备工作

进入下载目录 解压 libmad-0.15.1b.tar.gz

tar xvf libmad-0.15.1b.tar.gz

解压之后进入libmad-0.15.1b

cd libmad-0.15.1b

③：配置libmad

./configure --host=arm-linux-gnueabihf --disable-debugging --enable-static --enable-shared --enable-speed --prefix=/home/avdisplay/mplayer

④：编译libmad

make

出现下面的报错

(sed -e '1s|.*|/*|' -e '1b' -e '$s|.*| */|' -e '$b' \

-e 's/^.*/ *&/' ./COPYRIGHT; echo; \

echo "# ifdef __cplusplus"; \

echo 'extern "C" {'; \

echo "# endif"; echo; \

if [ ".-DFPM_ARM" != "." ]; then \

echo ".-DFPM_ARM" | sed -e 's|^\.-D|# define |'; echo; \

fi; \

sed -ne 's/^# *define *\(HAVE_.*_ASM\).*/# define \1/p' \

config.h; echo; \

sed -ne 's/^# *define *OPT_\(SPEED\|ACCURACY\).*/# define OPT_\1/p' \

config.h; echo; \

sed -ne 's/^# *define *\(SIZEOF_.*\)/# define \1/p' \

config.h; echo; \

for header in version.h fixed.h bit.h timer.h stream.h frame.h synth.h decoder.h; do \

echo; \

sed -n -f ./mad.h.sed ./$header; \

done; echo; \

echo "# ifdef __cplusplus"; \

echo '}'; \

echo "# endif") >mad.h

make all-recursive

make[1]: Entering directory '/home/avdisplay/software/libmad-0.15.1b'

make[2]: Entering directory '/home/avdisplay/software/libmad-0.15.1b'

if /bin/bash ./libtool --mode=compile arm-linux-gnueabihf-gcc -DHAVE_CONFIG_H -I. -I. -I. -DFPM_ARM -DASO_INTERLEAVE1 -DASO_IMDCT -Wall -O -fforce-mem -fforce-addr -fthread-jumps -fcse-follow-jumps -fcse-skip-blocks -fexpensive-optimizations -fregmove -fschedule-insns2 -fstrength-reduce -fomit-frame-pointer -MT version.lo -MD -MP -MF ".deps/version.Tpo" -c -o version.lo version.c; \

then mv -f ".deps/version.Tpo" ".deps/version.Plo"; else rm -f ".deps/version.Tpo"; exit 1; fi

mkdir .libs

arm-linux-gnueabihf-gcc -DHAVE_CONFIG_H -I. -I. -I. -DFPM_ARM -DASO_INTERLEAVE1 -DASO_IMDCT -Wall -O -fforce-mem -fforce-addr -fthread-jumps -fcse-follow-jumps -fcse-skip-blocks -fexpensive-optimizations -fregmove -fschedule-insns2 -fstrength-reduce -fomit-frame-pointer -MT version.lo -MD -MP -MF .deps/version.Tpo -c version.c -fPIC -DPIC -o .libs/version.o

arm-linux-gnueabihf-gcc: error: unrecognized command line option '-fforce-mem'

Makefile:383: recipe for target 'version.lo' failed

make[2]: *** [version.lo] Error 1

make[2]: Leaving directory '/home/avdisplay/software/libmad-0.15.1b'

Makefile:424: recipe for target 'all-recursive' failed

make[1]: *** [all-recursive] Error 1

make[1]: Leaving directory '/home/avdisplay/software/libmad-0.15.1b'

Makefile:249: recipe for target 'all' failed

make: *** [all] Error 2

arm交叉编译不支持 -fforce-mem 这个选项

解决方法：修改编译选项

vim Makefile

在129 行 删除 -fforce-mem 这个选项

修改前

CFLAGS = -Wall -O -fforce-mem -fforce-addr -fthread-jumps -fcse-follow-jumps -fcse-skip-blocks -fexpensive-optimizations -fregmove -fschedule-insns2 -fstrength-reduce -fomit-frame-pointer

修改后

CFLAGS = -Wall -O -fforce-addr -fthread-jumps -fcse-follow-jumps -fcse-skip-blocks -fexpensive-optimizations -fregmove -fschedule-insns2 -fstrength-reduce -fomit-frame-pointer

再次执行make编译

这次没有报错了，编译成功。

⑤：安装libmad

make install

成功安装ibmad

三、移植Mplayer

①：版本选择：MPlayer-1.4.tar.xz

②：mplayer准备工作

进入下载目录 解压 MPlayer-1.4.tar.xz

tar xvf MPlayer-1.4.tar.xz

解压之后进入MPlayer-1.4

cd MPlayer-1.4

③：配置mplayer

./configure --prefix=/home/avdisplay/mplayer --cc=arm-linux-gnueabihf-gcc --disable-gui --target=arm-linux --host-cc=gcc --disable-freetype --enable-fbdev --disable-mencoder --disable-sdl --disable-live --disable-dvdread --disable-libdvdcss-internal --disable-x11 --enable-cross-compile --disable-dvdnav --disable-dvdread-internal --disable-jpeg --disable-tga --disable-pnm --disable-tv --disable-ivtv --disable-fontconfig --disable-xanim --disable-win32dll --disable-armv5te --disable-armv6 --enable-static

④：编译mplayer

make

⑤：mplayer可执行文件

这时候我们把这个编译得到的 mplayer可执行文件 拷贝到开发板就可以用了

./mplayer xxx.mp3