quertion for compiling VLC on ubuntu-0.9.4

[eric.gl.CN]

hi pals,
I have tried compile VLC player on ubuntu-0.94 myself, I use vlc-1.0.1.
at first I have download some tool like build-essential, automake, libtool......
then I have configure the VLC using this configure shell

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./configure \ --enable-live555 \ --enable-faad \ --disable-x264 \ --disable-qt4 \ --disable-x11 \ --disable-skins2 \ --disable-zvbi \ --disable-taglib \ --disable-activex \ --disable-sout \ --disable-lua \ --disable-httpd \ --disable-vlm \ --disable-taglib \ --disable-audioscrobbler \ --disable-dvdnav \ --disable-dvbpsi \ --disable-libcdio \ --disable-libcddb \ --disable-cdda \ --disable-dvb \ --disable-vcd \ --disable-mkv \ --disable-gme \ --disable-wma-fixed \ --disable-mad \ --disable-libtar \ --disable-libsysfs \ --disable-a52 \ --disable-libmpeg2 \ --disable-vorbis \ --disable-speex \ --disable-schroedinger \ --disable-fluidsynth \ --disable-telx \ --disable-xinerama \ --disable-opengl \ --disable-freetype \ --disable-fribidi \ --disable-fontconfig \ --disable-wince \ --disable-remoteosd

then I have download ffmpeg and compile it by support all the decoders and make install it to /usr/local/lib

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./configure \ --disable-mmx \ --enable-small \ --disable-debug \ --disable-stripping \ --enable-postproc \ --enable-gpl

it includes llibavcodec.a libacformat.a libavutil.a libswscale.a libpostproc.a. Cause I use the default confiugure, So it will have all the decoder that ffmpeg support.

then I go to /PATH/VLC/ and make, make install.
all thing is right.

then, I use the command : vlc rtsp://@172.21.2.131:554/rtsp_feed.avi to play the liveview
the problem comes, the vlc generate an error: no suitable decoder module for fourrc "mp4v".By the way , the audio is all right.
but I am sure to make the ffmpeg support MPEG4 when I config ffmpeg.The problem is headache, cause when I use libavcodec.a, libavformat.a which install through apt-get, VLC can play the liveview all right.

So , what is wrong when I compile the ffmpeg ? any one know it can help me?
Thanks a lot

[Jean-Baptiste Kempf]

Use PKG_CONFIG_PATH before configuring.

[eric.gl.CN]

Thanks for j-b,
the situation is:
I have already make and make install the ffmpeg source. the INSTALLDIR is /usr/local/lib and /usr/local/include
then I go on make the VLC using my compiled ffmpeg library, and it successful. VLC can find the lib and headers.

your means that what I do is not enough? I must export PKG_CONFIG_PATH before I configure ffmpeg?like
PKG_CONFIG_PATH=/usr/local/lib/pkg_config
exprot PKG_CONFIG_PATH
is this right?

but I have a question. VLC have already find the ffmpeg lib and header and it make successful, why I must have to use the PKG_CONFIG_PATH? PKG_CONFIG_PATH has relationship with this problem:" no suitable decoder module for fourrc "mp4v"

[Jean-Baptiste Kempf]

PKG_CONFIG_PATH=/usr/local/lib/pkg_config ./configure...

If you have the libavcodec.pc in /usr/local/lib/pkg_config

[eric.gl.CN]

Thanks for j-b.
I will try as you told. thaks.