ffmpeg kompilieren

TheChief · 8. Juni 2006

Versuche gerade ffmpeg zu kompilieren (unter LinVDR mit gcc-3.0.4) An einer bestimmten Stelle bleibts immer hängen. Keine Fehler, nur Warnings.

Code

linvdr:~/ffmpeg# make
make -C libavutil   all
make[1]: Entering directory `/root/ffmpeg/libavutil'
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -DBUILD_AVUTIL -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE  -c -o mathematics.o mathematics.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -DBUILD_AVUTIL -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE  -c -o rational.o rational.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -DBUILD_AVUTIL -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE  -c -o intfloat_readwrite.o intfloat_readwrite.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -DBUILD_AVUTIL -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE  -c -o crc.o crc.c
rm -f libavutil.a
ar rc libavutil.a mathematics.o rational.o intfloat_readwrite.o crc.o
ranlib libavutil.a
make[1]: Leaving directory `/root/ffmpeg/libavutil'
make -C libavcodec  all
make[1]: Entering directory `/root/ffmpeg/libavcodec'
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o bitstream.o bitstream.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o utils.o utils.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o mem.o mem.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o allcodecs.o allcodecs.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o mpegvideo.o mpegvideo.c
mpegvideo.c: In function `dct_quantize_refine':
mpegvideo.c:6063: warning: `q' might be used uninitialized in this function
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o jrevdct.o jrevdct.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o jfdctfst.o jfdctfst.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o jfdctint.o jfdctint.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o mpegaudio.o mpegaudio.c
mpegaudio.c:63: warning: `MPA_encode_init' defined but not used
mpegaudio.c:752: warning: `MPA_encode_frame' defined but not used
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o ac3enc.o ac3enc.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o mjpeg.o mjpeg.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o resample.o resample.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o resample2.o resample2.c
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o dsputil.o dsputil.c
dsputil.c: In function `dct264_sad8x8_c':
dsputil.c:3451: warning: passing arg 1 of pointer to function from incompatible pointer type
dsputil.c: At top level:
dsputil.c:2470: warning: `avg_h264_qpel2_hv_lowpass' defined but not used
gcc -O3 -g  -Wdeclaration-after-statement -Wall -Wno-switch -DHAVE_AV_CONFIG_H -I.. -I/root/ffmpeg/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE    -c -o motion_est.o motion_est.c
In file included from motion_est.c:220:
motion_est_template.c: In function `ff_get_mb_score':
motion_est_template.c:246: warning: unused variable `score_map'
motion_est_template.c:246: warning: unused variable `xmin'
motion_est_template.c:246: warning: unused variable `ymin'
motion_est_template.c:246: warning: unused variable `xmax'
motion_est_template.c:246: warning: unused variable `ymax'

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Dann tut sich überhaupt nichts mehr. Geht das überhaupt noch mit gcc-3.0.4? Oder brauch ich da ne neuer Version? Jemand ne Idee?

rael · 8. Juni 2006

Hi,

als Schuß ins Blaue könntest du folgende Sachen checken / versuchen:

1. Nimmt die Speicherauslastung kontinuierlich zu, wenn er hängenbleibt? Wächst der gcc wie "blöde"? Am besten hierzu ein top in einem anderen Fenster mitlaufen lassen.

2. Du könntest die Optimierung und die debugging-symbols aus rausnehmen, also mal -O statt -O3 und das -g weg.

Gruß,

rael

TheChief · 8. Juni 2006

1. Hm, cc1 braucht zwischen 50 % und 100% CPU Last, der Speicherbedarf steigt langsam.

2. Wie mach ich das?

rael · 8. Juni 2006

Hi,

Du müsstest Dir das Makefile schnappen und editieren.

Einfach ein {emacs|vi|joe|<insert your favorite editor>} Makefile und anschließend suchst Du zB nach -O3. Dieses Flag dann einfach auf -O umändern und im gleichen Atemzug auch das -g weghauen. Dann ein make clean und make.

rael

TheChief · 8. Juni 2006

Danke, habs gefunden, allerdings in der config.mak, werd jetzt mal testen.

TheChief · 8. Juni 2006

Faste hätte es geklappt:

Code

make[1]: Entering directory `/root/ffmpeg/libpostproc'
gcc -O -Wdeclaration-after-statement -Wall -Wno-switch  -I. -I.. -I/root/ffmpeg/libavcodec -I../..  -p  -c -o postprocess.o postprocess.c
postprocess.c:123: warning: `w05' defined but not used
postprocess.c:124: warning: `w04' defined but not used
postprocess.c:125: warning: `w20' defined but not used
postprocess.c:126: warning: `b00' defined but not used
postprocess.c:127: warning: `b01' defined but not used
postprocess.c:128: warning: `b02' defined but not used
postprocess.c:129: warning: `b08' defined but not used
postprocess.c:130: warning: `b80' defined but not used
rm -f libpostproc.a
ar rc libpostproc.a postprocess.o
ranlib libpostproc.a
gcc -c -O -Wdeclaration-after-statement -Wall -Wno-switch  -I. -I.. -I/root/ffmpeg/libavcodec -I../..  -p -fomit-frame-pointer -fPIC -DPIC -I.. -I../.. -o postprocess_pic.o postprocess.c
cc1: profiling does not work without a frame pointer
In file included from postprocess.c:645:
postprocess_template.c: In function `postProcess_MMX':
postprocess_template.c:3200: Can't find a register in class `GENERAL_REGS' while reloading `asm'.
postprocess_template.c:3285: Can't find a register in class `GENERAL_REGS' while reloading `asm'.
postprocess_template.c:3200: Can't find a register in class `GENERAL_REGS' while reloading `asm'.
postprocess_template.c:3285: Can't find a register in class `GENERAL_REGS' while reloading `asm'.
postprocess.c: At top level:
postprocess.c:123: warning: `w05' defined but not used
postprocess.c:124: warning: `w04' defined but not used
postprocess.c:125: warning: `w20' defined but not used
postprocess.c:126: warning: `b00' defined but not used
postprocess.c:127: warning: `b01' defined but not used
postprocess.c:128: warning: `b02' defined but not used
postprocess.c:129: warning: `b08' defined but not used
postprocess.c:130: warning: `b80' defined but not used
make[1]: *** [postprocess_pic.o] Error 1
make[1]: Leaving directory `/root/ffmpeg/libpostproc'
make: *** [lib] Error 2

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Any ideas?

TheChief · 8. Juni 2006

Gut, daß bekam ich durch --disable-mmx in den Griff. FFMpeg lies sich erstmal kompilieren. Obs nachher funktioniert ist die andere Frage.

ffmpeg kompilieren

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