[h323plus] Adding H263 codec to openmcu
mike at bridgeconference.co.za
Mon Jan 11 03:25:14 EST 2010
It appears that I have ver 4.3 of gcc.
Could that be the reason for the ffmpeg 0.4.7 make failure?
Jan Willamowius wrote:
> I have a patched version of ffmpeg-0.4.7, that compiles with gcc 4.4.x,
> but there is work going on to let the H.323-ffmpeg plugin compile with
> current versions of ffmpeg, which is a much better solution.
> Michael Bondi wrote:
>> Thanks Prasad,
>> I try install ffmpeg 0.4.7 from
>> http://www.voxgratia.org/bin/ffmpeg-0.4.7.tar.gz but I get the following:
>> voyage:~/ffmpeg-0.4.7# make
>> make -C libavcodec all
>> make: Entering directory `/root/ffmpeg-0.4.7/libavcodec'
>> gcc -O3 -Wall -g -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64
>> -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o common.o common.c
>> In file included from avcodec.h:14,
>> from common.c:27:
>> common.h:65: error: array type has incomplete element type
>> common.h:69: error: array type has incomplete element type
>> make: *** [common.o] Error 1
>> make: Leaving directory `/root/ffmpeg-0.4.7/libavcodec'
>> make: *** [lib] Error 2
>> But I proceed and continue to configure and make and make install the
>> a/v pugins in the ~/h323plus/plugins directory.
>> I create a directory ~/codecs and copy both
>> h263-ffmpeg_video_pwplugin.so and libavcodec.so (from the
>> libavcodec-0.4.7-linux.bin.tar.gz file) into there. I rename
>> libavcodec.so to avcodec
>> I set export P_T_LIBPLUGINDIR=~/codecs (does this have to be
>> P_W_LIBPLUGINDIR ?????)
>> I run openmcu and connect with Polycom PVX, and I see the video
>> window!! But the video has strange lines with pink and blue colours,
>> but it is the video from the webcam!
>> I assume it may be because I do not have the ffmpeg 0.4.7 installed
>> I will have a look at installing ffmpeg 0.4.7 direct from ffmpeg site.
>> So I am closer....
>> Thanks again for the help.
>> Prasad Mohire wrote:
>>> HI Michael,
>>> I guess you have compiled PTLIB and H323plus and OpenMCU correctly.
>>> H323plus doesn't need ffmpeg. ffmpeg is needed by h323plus avplugin.
>>> You were able to hear audio because h323plus comes with G711 codecs.
>>> You will need to build H263 plugin separately.
>>> h263 plugin needs ffmpeg version 0.47. To install it:
>>> run ./configure --enable-shared, then make and make install in ffmpeg
>>> Once that is done, download the plugins directory from h323plus.com
>>> untar the direcory under h323plus directory so that you will have
>>> plugins directory under h323plus.
>>> Goto plugins directory.
>>> run ./configure
>>> You should see h263 : yes in output of configure script. This means it
>>> will build H.263 plugin. If it is 'no' there is something wrong with
>>> prerequisites i.e. ffmpeg. make sure that libavcodec.h file is in
>>> include path.
>>> once you see H.263: yes as output, run make and make install in
>>> plugins directory.
>>> create a directory to store the plugins. Set environment variable
>>> PWLIBPLUGINDIR pointing to that directory. Copy
>>> h323plus/plugins/video/h.263/h263-ffmpeg_video_pwplugin.so file to
>>> $PWLIBPLUGINDIR. Copy libavcoded.so to $PWLIBPLUGINDIR and rename it
>>> to avcodec.
>>> Now start openmcu, it should load with H.263 capability.
>>> File "C:\\traces.txt" will be created in directory from which you will
>>> start openmcu. You can see what all capabilities are added while
>>> openmcu is started in that file.
>>> Thanks and Regards,
>>> On Fri, Jan 8, 2010 at 3:32 PM, Michael Bondi
>>> <mike at bridgeconference.co.za <mailto:mike at bridgeconference.co.za>> wrote:
>>> Hi all and Happy 2010!
>>> This may have been asked before, but I cannot help myself but to
>>> ask again.
>>> I have compiled ptlib 2.4.5 and h323plus 1.21 and openmcu 2.2.5 on
>>> a Debian 5 machine.
>>> I am able to connect and hear the tones and message for connecting
>>> but am unable to get video on the screen.
>>> I have tried compiling h323plus with only the 0.4.7 ffmpeg
>>> libavcodec.so placed in a directory /root/codec and compiled with
>>> ./configure --enable-rfc2190avcodec=/root/ffmpeg switch, all
>>> compiles fine, but still no h.263 video. Is there any more I need
>>> to do here?
>>> Also, I am getting confused where to unpack and install the a/v
>>> plugins from file
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