Compile errors: postproc

[mikeh]

I get postprocess errors when trying to compile vlc. The errors are:

./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `InitPostproc__ffmpeg':
postprocess.c: (.text+0x2dd): undefined reference to `pp_get_context'
./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `PostprocPict__ffmpeg':
postprocess.c: (.text+0x516): undefined reference to `pp_postprocess'
./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `ClosePostproc__ffmpeg':
postprocess.c: (.text+0x583): undefined reference to `pp_free_mode'
postprocess.c: (.text+0x590): undefined reference to `pp_free_context'
./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `PPQCallback':
postprocess.c: (.text+0x60b): undefined reference to `pp_get_mode_by_name_and_quality'
postprocess.c: (.text+0x699): undefined reference to `pp_get_mode_by_name_and_quality'
collect2: ld returned 1 exit status
make[2]: *** [vlc] Error 1

I have spent hours searching and trying different options. Still no luck. Here's what I do:

1. Configure and compile ffmpeg. Here's what I do:

Code: Select all

./configure --enable-mp3lame --enable-libogg --enable-faad --enable-faac --enable-pp --enable-gpl --prefix=/usr make make install

2. Configure faad2. Here's what I do:

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./configure --prefix=/usr make make install

3. Configure vlc. Here are my configure options:

Code: Select all

./configure --enable-faad --with-faad-tree=/files2/src/faad2/faad2 --enable-livedotcom --with-livedotcom-tree=/usr/bin/live --with-ffmpeg-tree=/files2/src/ffmpeg_all/ffmpeg --disable-hal --prefix=/usr

(I have verified that the "-tree" paths are correct).

Here are a few random thoughts:

First, I have postprocess.h in /usr/include/postproc. I read somewhere that vlc might look for postprocess.h in /usr/include/libpostproc, so I symlinked the postproc directory to libpostproc.

Second, I'm running suse 10 amd64. I've had problems in the past unintentionally trying to link 32-bit applications to 64-bit libraries and vice-versa, or having an application look for libraries in lib instead of lib64 and vice-versa. I don't see that happening here, but who knows, it might be a factor.

Third, I have installed binary versions of some libraries, e.g., ffmpeg. I'm pretty sure I have uninstalled all of the old rpms, but I don't know if that might be causing a problem.

Anyone know why I'm getting these postproc errors?

[mikeh]

I got around this problem. I still don't know what was causing it under v. 0.8.4a. However, I decided to try building v. 0.8.5-test1 beta, and the new version works fine. Same environment variables, same configure options, etc. If anyone experiences similar behavior, see if the new version fixes the problem.

[jdkaye]

Thanks Mikeh,
I'm running Debian Etch 2.6.15-i686 I had the same problem as you with 8.4a. I followed your advice and compiled 8.5-test. No probs. Works a treat. Thanks alot.
Jonathan

[gibus92]

You've got this error message because the linking process is missing libpostproc references and fails.

Recently - certainly between february and april 2006, ffmpeg has evolved to have a separate libpostproc, but linking libraries list has not evolved in older sources : vlc-0.8.2 and vlc-0.8.4 are stable versions which do not take this problem into account at the time they have been released.

Try the following patch on vlc-0.8.4a/configure.ac (I have regenerated a new vlc-0.8.4a successfuly) :

--- configure.ac.org 2005-12-27 00:36:11.000000000 +0100
+++ configure.ac.new 2006-04-10 15:27:22.000000000 +0200
@@ -2223,7 +2223,10 @@
fi
VLC_ADD_CFLAGS([ffmpeg stream_out_switcher],[${FFMPEG_CFLAGS}])
VLC_ADD_LDFLAGS([ffmpeg],[${FFMPEG_LIBS}])
-
+ dnl newer ffmpeg have a separate libpostproc
+ PKG_CHECK_MODULES(POSTPROC, libpostproc,[
+ VLC_ADD_LDFLAGS([ffmpeg],[${POSTPROC_LIBS}])
+ ],[ true ])
],[

dnl

Next, you have to perform a " bootstrap " command in order to regenerate new Makefile.in files for each level, and a " configure " command to have also new Makefile

[nicolapom]

Hej, this look like my problem is very similar to the one explained in this thread.

I try to compile vlc-0.8.4a on windows XP using cygwin and i came the following errors :


./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `InitPostproc__ffmpeg':
/cygdrive/c/Documents and Settings/mr/vlc-0.8.4a/modules/codec/ffmpeg/postprocess.c:164: undefined reference to `_pp_get_context'

./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `PostprocPict__ffmpeg':
/cygdrive/c/Documents and Settings/mr/vlc-0.8.4a/modules/codec/ffmpeg/po
stprocess.c:191: undefined reference to `_pp_postprocess'

./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `ClosePostproc__ffmpeg':
/cygdrive/c/Documents and Settings/mr/vlc-0.8.4a/modules/codec/ffmpeg/postprocess.c:209: undefined reference to `_pp_free_mode'
/cygdrive/c/Documents and Settings/mr/vlc-0.8.4a/modules/codec/ffmpeg/po
stprocess.c:210: undefined reference to `_pp_free_context'

./modules/codec/ffmpeg/libffmpeg.a(libffmpeg_a-postprocess.o): In function `PPQCallback':
/cygdrive/c/Documents and Settings/mr/vlc-0.8.4a/modules/codec/ffmpeg/postprocess.c:244: undefined reference to `_pp_get_mode_by_name_and_quality'
/cygdrive/c/Documents and Settings/mr/vlc-0.8.4a/modules/codec/ffmpeg/postprocess.c:244: undefined reference to `_pp_get_mode_by_name_and_quality'
collect2: ld returned 1 exit status

Make[2]: *** [vlc.exe] Error 1
Make[2]: Leaving directory `/cygdrive/c/Documents and Settings/mr/vlc-0.
8.4a'
Make[1]: *** [all-recursive] Error 1
Make[1]: Leaving directory `/cygdrive/c/Documents and Settings/mr/vlc-0.8.4a'

Make: *** [all] Error 2

I'm not sure to understand how to deal with the ffmpeg lib since on the "developper's how to" (http://developers.videolan.org/vlc/vlc/INSTALL.win32) they do not talk about compiling the ffmepg lib at first, but on many other FAQ it is told to compile the ffmpeg lib using --enable-pp --enable-gpl

Is it possible to compile vlc-0.8.4a without compiling any lib before ?

I tried to modify the config.ac as you said but i got the same mistakes.

If you have any idea or wants more details, tell me please.

[nicolapom]

forget my previous requests, it works fine actually with the modification in configure.ac,

sorry

[Guest]

forget my previous requests, it works fine actually with the modification in configure.ac,

sorry

would u please tell me how to modify the configure.ac?