dreaded x264 compile error: 'struct ' has no member named 'b_cbr'

For fun, I built out a virtual Fedora Core 6 machine with Cinelerra and all supporting apps installed to share with the world (fedora-core-6-virtual-cinelerra-machine.html). During the process, however, I received an error while compiling the package:

 gcc -DHAVE_CONFIG_H -I. -I. -I../../.. -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -DHAVE_AV_CONFIG_H -I./.. -g -O2 -MT x264.lo -MD -MP -MF .deps/x264.Tpo -c x264.c  -fPIC -DPIC -o .libs/x264.o
x264.c: In function 'X264_init':
x264.c:139: error: 'struct ' has no member named 'b_cbr'
make[5]: *** [x264.lo] Error 1
make[5]: Leaving directory `/opt/hvirtual/quicktime/ffmpeg/libavcodec'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/opt/hvirtual/quicktime/ffmpeg/libavcodec'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/opt/hvirtual/quicktime/ffmpeg'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/opt/hvirtual/quicktime'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/opt/hvirtual'
make: *** [all] Error 2

Good Lord! What is this? When I did my first Cinelerra CVS install back in April (fedora-core-6-cinelerra-dependencies.html), I didn't encounter this error. And I was only using the same dries, livna and standard Fedora repositories. So something must have changed with the repositories between the beginning of April and now, early June. But what gives with the compile failure?

No sense complaining about it. Let's just see if someone else has encountered it and we'll fix it. Sure enough, folks on the Ubuntu boards had seen it:
http://ubuntuforums.org/showthread.php?t=215252

Essentially, the problem is that the version of Cinelerra is incompatible with the version of x264. The x264 from Livna is rev. 537 and Cinelerra is version 2.1 (at this time, rev. 1009). We'll use x264 rev. 536 to alleviate the problem.

The solution is hard to pick through on that forum posting, so I will condense the steps to fixing it here:
1) uninstall x264
2) download x264 revision 537
3) compile x264 with specific options
4) reinstall packages that were removed when we uninstalled x264
5) install x264 program files
6) patch directories in the Cinelerra source tree
7) configure Cinelerra with specific options
8) compile Cinlerra and hopefully, install!

1) uninstall x264
yum remove x264

This will remove a bunch of other packages:
Running Transaction
Removing : mjpegtools ####################### [ 1/10]
Removing : mjpegtools-devel ####################### [ 2/10]
Removing : mjpegtools-libs ####################### [ 3/10]
Removing : ffmpeg ####################### [ 4/10]
Removing : ffmpeg-libs ####################### [ 5/10]
Removing : x264 ####################### [ 6/10]
Removing : mencoder ####################### [ 7/10]
Removing : x264-devel ####################### [ 8/10]
Removing : libquicktime ####################### [ 9/10]
Removing : mjpegtools-gui ####################### [10/10]

Don't worry, we'll replace them in Step 4.

2) download x264 revision 537
Assuming you have subversion installed, go get rev 536 of x264:
svn checkout svn://svn.videolan.org/x264/trunk x264 -r536

3) compile x264 with specific options and make the x264 program files
From the directory in which you downloaded the x264 source code, run:
./configure --extra-cflags=-fPIC --extra-asflags=-D__PIC__
make

4) reinstall packages that were removed when we uninstalled x264
yum --disablerepo=dries install ffmpeg libquicktime mencoder mjpegtools*

Note that I have the Fedora Core, Extras, Updates, Livna and Dries repositories only listed in yum when I run the install.

Here we see the final result of the install:
Running Transaction
Installing: x264 ######################### [1/9]
Installing: ffmpeg-libs ######################### [2/9]
Installing: ffmpeg ######################### [3/9]
Installing: libquicktime ######################### [4/9]
Installing: mjpegtools-libs ######################### [5/9]
Installing: mencoder ######################### [6/9]
Installing: mjpegtools ######################### [7/9]
Installing: mjpegtools-devel ######################### [8/9]
Installing: mjpegtools-gui ######################### [9/9]

Notice that installing the programs will also the bad version of x264. In the next step, I will overwrite the program files of the conflicting version of x264 with the working, rev. 536 version.

5) install x264 program files
In the directory you compiled x264, run:
make install

Doing this, I have overwritten the conflicting version of x264 with the one that works with Cinelerra.

6) patch directories in the Cinelerra source tree
In the Cinelerra source tree directory, hvirtual, create these missing directories and fill with appropriate files:
mkdir plugins/chromakey-hsv && cp plugins/chromakeyhsv/* plugins/chromakey-hsv
mkdir plugins/seltempavg && cp plugins/denoiseseltempavg/* plugins/seltempavg/

Take a look at them to make sure they exist and have files in them:
[root@localhost hvirtual]# ls plugins/chromakey-hsv/
chromakey.C chromakey.h Makefile Makefile.am Makefile.in picon.png picon_png.h
[root@localhost hvirtual]# ls plugins/seltempavg/
Makefile Makefile.in picon_png.h seltempavg.C seltempavgwindow.C
Makefile.am picon.png restart_marker.png seltempavg.h seltempavgwindow.h

7) configure Cinelerra with specific compiler options
./configure --with-pic

for Ubuntu 64-bit users, this configure syntax may need to change to this:
./configure --with-pic --disable-shared --enable-static

I cannot confirm this as I am not an Ubuntu user.

To explain: as a general rule, Cinelerra themes and plugins are loaded dynamically as modules. If static linking is defined (the --enable-static part of the command), the SUV theme will not get built as it is not designed for static linking in the CVS tree. A corrolary to this is that if you disable shared libraries (the --disable-shared part of the command), the SUV theme also doesn't get built. My testing on FC6 bears this out.

The unfortunate thing is that if the SUV theme is not built, you'll get this nasty error when you try to startup Cinelerra and the program won't start for love or money:
MWindow::init_theme: theme S.U.V not found

I have not found a workaround, so if at all possible, do not use those two switches in your configure command.

8) compile Cinlerra and hopefully, install!
make
make install

These steps fixed my problem. Hopefully, they will fix it on your system.

Good luck!