交叉编译ffmpeg--修改bug

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[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# vi configure

108 # default parameters

109 prefix="/usr/local/arm/4.3.2/arm-none-linux-gnueabi"

110 libdir=""

111 mandir=""

112 bindir=""

113 cross_prefix="/usr/local/arm/4.3.2/bin/arm-linux-"

114 cc="gcc"

115 ar="ar"

116 ranlib="ranlib"

117 make="make"

118 strip="strip"

119 #cpu=`uname -m`

120 cpu="arm"

121 tune="generic"

122 powerpc_perf="no"

123 mmx="default"

124 iwmmxt="default"

125 altivec="default"

126 mmi="default"

127 case "$cpu" in

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# ./configure --cpu=arm --cc=arm-linux-gcc --enable-shared --disable-ffserver --enable-xvid --enable-x264 --enable-gpl --enable-pthreads --disable-strip

install prefix /usr/local/arm/4.3.2/arm-none-linux-gnueabi

source path /root/opencv/ffmpeg-0.4.9-p20051120

C compiler /usr/local/arm/4.3.2/bin/arm-linux-arm-linux-gcc

make make

CPU arm (generic)

big-endian no

inttypes.h no

broken inttypes.h yes

gprof enabled no

zlib enabled no

libgsm enabled no

mp3lame enabled no

libogg enabled no

Vorbis enabled no

Theora enabled no

FAAD enabled no

faadbin enabled no

FAAC enabled no

XviD enabled yes

x264 enabled yes

a52 support no

a52 dlopened no

DTS support no

pp support no

debug symbols yes

strip symbols no

optimize yes

shared pp no

video hooking no

SDL support no

Sun medialib support no

pthreads support yes

AMR-NB float support no

AMR-NB fixed support no

AMR-WB float support no

AMR-WB IF2 support no

network support yes

IPv6 support no

License: GPL

Creating config.mak and config.h...

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]#

终于出错1啦！

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# make

make -C libavutil all

make[1]: Entering directory `/root/opencv/ffmpeg-0.4.9-p20051120/libavutil'

/usr/local/arm/4.3.2/bin/arm-linux-arm-linux-gcc -O3 -g -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o mathematics.o mathematics.c

make[1]: /usr/local/arm/4.3.2/bin/arm-linux-arm-linux-gcc：命令未找到

make[1]: *** [mathematics.o] 错误 127

make[1]: Leaving directory `/root/opencv/ffmpeg-0.4.9-p20051120/libavutil'

make: *** [lib] 错误 2

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# vi configure

113 #cross_prefix="/usr/local/arm/4.3.2/bin/arm-linux-"

114 cross_prefix="/usr/local/arm/4.3.2/bin/"

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# ./configure --cpu=arm --cc=arm-linux-gcc --enable-shared --disable-ffserver --enable-xvid --enable-x264 --enable-gpl --enable-pthreads --disable-strip

......

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# make

make -C libavutil all

make[1]: Entering directory `/root/opencv/ffmpeg-0.4.9-p20051120/libavutil'

/usr/local/arm/4.3.2/bin/arm-linux-gcc -O3 -g -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o mathematics.o mathematics.c

/usr/local/arm/4.3.2/bin/arm-linux-gcc -O3 -g -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o integer.o integer.c

/usr/local/arm/4.3.2/bin/arm-linux-gcc -O3 -g -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o rational.o rational.c

/usr/local/arm/4.3.2/bin/arm-linux-gcc -O3 -g -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o intfloat_readwrite.o intfloat_readwrite.c

rm -f libavutil.a

/usr/local/arm/4.3.2/bin/ar rc libavutil.a mathematics.o integer.o rational.o intfloat_readwrite.o

make[1]: /usr/local/arm/4.3.2/bin/ar：命令未找到

make[1]: *** [libavutil.a] 错误 127

make[1]: Leaving directory `/root/opencv/ffmpeg-0.4.9-p20051120/libavutil'

make: *** [lib] 错误 2

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]#

?????

SOLVED gcc，BUT ar出问题，貌似要改全局。。。

./configure不指定--cc=arm-linux-gcc 治标不治本。。。

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# vi configure

113 cross_prefix="/usr/local/arm/4.3.2/bin/arm-linux-"

114 #cross_prefix="/usr/local/arm/4.3.2/bin/"

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# ./configure --cpu=arm --enable-shared --disable-ffserver --enable-xvid --enable-x264 --enable-gpl --enable-pthreads --disable-strip

install prefix /usr/local/arm/4.3.2/arm-none-linux-gnueabi

source path /root/opencv/ffmpeg-0.4.9-p20051120

C compiler /usr/local/arm/4.3.2/bin/arm-linux-gcc

make make

CPU arm (generic)

big-endian no

inttypes.h yes

broken inttypes.h no

gprof enabled no

zlib enabled yes

libgsm enabled no

mp3lame enabled no

libogg enabled no

Vorbis enabled no

Theora enabled no

FAAD enabled no

faadbin enabled no

FAAC enabled no

XviD enabled yes

x264 enabled yes

a52 support no

a52 dlopened no

DTS support no

pp support no

debug symbols yes

strip symbols no

optimize yes

shared pp no

video hooking yes

SDL support no

Imlib2 support no

FreeType support no

Sun medialib support no

pthreads support yes

AMR-NB float support no

AMR-NB fixed support no

AMR-WB float support no

AMR-WB IF2 support no

network support yes

IPv6 support yes

License: GPL

Creating config.mak and config.h...

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]#

出错2啦！

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# make

......

/usr/local/arm/4.3.2/bin/arm-linux-gcc -O3 -g -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I'/root/opencv/ffmpeg-0.4.9-p20051120'/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o x264.o x264.c

x264.c: In function 'X264_init':

x264.c:140: error: 'struct <anonymous>' has no member named 'b_cbr'

make[1]: *** [x264.o] 错误 1

make[1]: Leaving directory `/root/opencv/ffmpeg-0.4.9-p20051120/libavcodec'

make: *** [lib] 错误 2

Solution 1

X264的版本太老了，使用新版本的试试

http://bbs.chinaunix.net/thread-925112-1-1.html

可以解决！

Solution 2

这是因为一些函数引起GCC走到一个编译死循环，只用把-O3改为-O2就能够编译通过

http://www.docin.com/p-456739440.html

[root@DeebugFedoraPC ffmpeg-0.4.9-p20051120]# vi Makefile

1 #

2 # Main ffmpeg Makefile

4 #

5 include config.mak

7 VPATH=：$(SRC_PATH)

9 #CFLAGS=$(OPTFLAGS) -I. -I$(SRC_PATH) -I$(SRC_PATH)/libavutil -I$(SRC_PA TH)/libavcodec -I$(SRC_PATH)/libavformat -D_FILE_OFFSET_BITS=64 -D_LARGE FILE_SOURCE -D_GNU_SOURCE

10 CFLAGS=$(OPTFLAGS) -I. -I$(SRC_PATH) -I$(SRC_PATH)/libavutil -I$(SRC_PAT H)/libavcodec -I$(SRC_PATH)/libavformat -D_FILE_OFFSET_BITS=64 -D_LARGEF ILE_SOURCE -D_GNU_SOURCE -O2

11 LDFLAGS+= -g

行不通！！！

Solution 3

http://blog.chinaunix.net/uid-21139058-id-446619.html

受启发了，修改代码，一直跟踪。。。终于解决了。

--> x264.c --> 错误的代码140行x4->params.rc.b_cbr = 1; <-- X264Context *x4 <--

24 typedef struct X264Context {

25 x264_param_t params;

26 x264_t *enc;

27 x264_picture_t pic;

28 AVFrame out_pic;

29 } X264Context;

x264_param_t --> #include <x264.h>路径：/usr/local/arm/4.3.2/arm-none-linux-gnueabi/include/x264.h

-->

typedef struct

{

/* CPU flags */

unsigned int cpu;

int i_threads; /* divide each frame into multiple slices, encode in parallel */

...

struct

{

int i_rc_method; /* X264_RC_* */

int i_qp_constant; /* 0-51 */

int i_qp_min; /* min allowed QP value */

int i_qp_max; /* max allowed QP value */

int i_qp_step; /* max QP step between frames */

int i_bitrate;

int i_rf_constant; /* 1pass VBR, nominal QP */

float f_rate_tolerance;

int i_vbv_max_bitrate;

int i_vbv_buffer_size;

float f_vbv_buffer_init;

float f_ip_factor;

float f_pb_factor;

/* 2pass */

int b_stat_write; /* Enable stat writing in psz_stat_out */

char *psz_stat_out;

int b_stat_read; /* Read stat from psz_stat_in and use it */

char *psz_stat_in;

/* 2pass params (same as ffmpeg ones) */

char *psz_rc_eq; /* 2 pass rate control equation */

float f_qcompress; /* 0.0 => cbr, 1.0 => constant qp */

float f_qblur; /* temporally blur quants */

float f_complexity_blur; /* temporally blur complexity */

x264_zone_t *zones; /* ratecontrol overrides */

int i_zones; /* sumber of zone_t's */

char *psz_zones; /* alternate method of specifying zones */

} rc;

/* Muxing parameters */

int b_aud; /* generate access unit delimiters */

int b_repeat_headers; /* put SPS/PPS before each keyframe */

int i_sps_id; /* SPS and PPS id number */

} x264_param_t;

[root@DeebugFedoraPC libavcodec]# vi x264.c

126 X264_init(AVCodecContext *avctx)

127 {

128 X264Context *x4 = avctx->priv_data;

129

130 x264_param_default(&x4->params);

131

132 x4->params.pf_log = X264_log;

133 x4->params.p_log_private = avctx;

134

135 x4->params.i_keyint_max = avctx->gop_size;

136 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;

137 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;

138 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;

139 if(avctx->rc_buffer_size)

140 x4->params.rc.b_stat_read = 1; /* x4->params.rc.b_cbr = 1;*/

// 源码对照http://ffmpeg.org/pipermail/ffmpeg-cvslog/2011-August/039499.html

141 x4->params.i_bframe = avctx->max_b_frames;

142 x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;

[root@DeebugFedoraPC libavcodec]# make

rm -f libavcodec.a

/usr/local/arm/4.3.2/bin/arm-linux-ar rc libavcodec.a bitstream.o utils.o mem.o allcodecs.o mpegvideo.o jrevdct.o jfdctfst.o jfdctint.o mpegaudio.o ac3enc.o mjpeg.o resample.o resample2.o dsputil.o motion_est.o imgconvert.o imgresample.o mpeg12.o mpegaudiodec.o pcm.o simple_idct.o ratecontrol.o adpcm.o eval.o error_resilience.o fft.o mdct.o raw.o golomb.o cabac.o dpcm.o adx.o faandct.o parser.o g726.o vp3dsp.o h264idct.o rangecoder.o pnm.o h263.o msmpeg4.o h263dec.o dvdsub.o dvbsub.o dvbsubdec.o dvdsubenc.o opt.o aasc.o alac.o asv1.o cinepak.o cljr.o cyuv.o dv.o 8bps.o ffv1.o flac.o flicvideo.o 4xm.o fraps.o h261.o h264.o huffyuv.o idcinvideo.o indeo2.o indeo3.o interplayvideo.o lcl.o loco.o mace.o msrle.o msvideo1.o png.o qdm2.o qdrw.o qpeg.o qtrle.o ra144.o ra288.o roqvideo.o rpza.o rv10.o shorten.o smc.o snow.o sonic.o svq1.o truemotion1.o truemotion2.o tscc.o ulti.o vc9.o vcr1.o vmdav.o vorbis.o vp3.o vqavideo.o wmadec.o wnv1.o ws-snd1.o xan.o xl.o pthread.o xvidff.o x264.o

/usr/local/arm/4.3.2/bin/arm-linux-ranlib libavcodec.a

/usr/local/arm/4.3.2/bin/arm-linux-gcc -shared -Wl,--warn-common -rdynamic -o libavcodec.so bitstream.o utils.o mem.o allcodecs.o mpegvideo.o jrevdct.o jfdctfst.o jfdctint.o mpegaudio.o ac3enc.o mjpeg.o resample.o resample2.o dsputil.o motion_est.o imgconvert.o imgresample.o mpeg12.o mpegaudiodec.o pcm.o simple_idct.o ratecontrol.o adpcm.o eval.o error_resilience.o fft.o mdct.o raw.o golomb.o cabac.o dpcm.o adx.o faandct.o parser.o g726.o vp3dsp.o h264idct.o rangecoder.o pnm.o h263.o msmpeg4.o h263dec.o dvdsub.o dvbsub.o dvbsubdec.o dvdsubenc.o opt.o aasc.o alac.o asv1.o cinepak.o cljr.o cyuv.o dv.o 8bps.o ffv1.o flac.o flicvideo.o 4xm.o fraps.o h261.o h264.o huffyuv.o idcinvideo.o indeo2.o indeo3.o interplayvideo.o lcl.o loco.o mace.o msrle.o msvideo1.o png.o qdm2.o qdrw.o qpeg.o qtrle.o ra144.o ra288.o roqvideo.o rpza.o rv10.o shorten.o smc.o snow.o sonic.o svq1.o truemotion1.o truemotion2.o tscc.o ulti.o vc9.o vcr1.o vmdav.o vorbis.o vp3.o vqavideo.o wmadec.o wnv1.o ws-snd1.o xan.o xl.o pthread.o xvidff.o x264.o -lm -lxvidcore -lx264 -lz -ldl -lpthread -L../libavutil -lavutil

[root@DeebugFedoraPC libavcodec]#

[root@DeebugFedoraPC libavcodec]# make install

mkdir -p "/usr/local/arm/4.3.2/arm-none-linux-gnueabi/include/ffmpeg"

install -m 644 '/root/opencv/ffmpeg-0.4.9-p20051120'/libavcodec/avcodec.h \

"/usr/local/arm/4.3.2/arm-none-linux-gnueabi/include/ffmpeg"

install -d "/usr/local/arm/4.3.2/arm-none-linux-gnueabi/lib/pkgconfig"

install -m 644 ../libavcodec.pc "/usr/local/arm/4.3.2/arm-none-linux-gnueabi/lib/pkgconfig"

install -d /usr/local/arm/4.3.2/arm-none-linux-gnueabi/lib

install -m 755 libavcodec.so /usr/local/arm/4.3.2/arm-none-linux-gnueabi/lib/libavcodec-CVS.so

ln -sf libavcodec-CVS.so /usr/local/arm/4.3.2/arm-none-linux-gnueabi/lib/libavcodec.so

ldconfig || true

[root@DeebugFedoraPC libavcodec]#

这里可以在交叉编译链目录/usr/local/arm/4.3.2/arm-none-linux-gnueabi/的
include,lib下生成相应的头文件和库文件

[root@DeebugFedoraPC libavcodec]# ls /usr/local/arm/4.3.2/arm-none-linux-gnueabi/lib

armv4t libjpeg.la libx264.a libyasm.a

boards libjpeg.so libx264.so pkgconfig

ldscripts libjpeg.so.62 libx264.so.49 thumb2

libavcodec-CVS.so libjpeg.so.62.0.0 libxvidcore.a

libavcodec.so libsupc++.a libxvidcore.so.4.1

[root@DeebugFedoraPC libavcodec]#

[root@DeebugFedoraPC libavcodec]# ls /usr/local/arm/4.3.2/arm-none-linux-gnueabi/include/

c++ jconfig.h jmorecfg.h libyasm libyasm-stdint.h xvid.h

ffmpeg jerror.h jpeglib.h libyasm.h x264.h

[root@DeebugFedoraPC libavcodec]#

deebug
20140225
ccnu

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