you are aware that the screenrecording will record the audio *that is spoken
in the conference* yes ?! If you do just recording but non of the
participants in the conference share audio / video then no audio will be
recorded.

Sebastian

2010/11/12 Mascherina <enterforr...@gmail.com>

> Thank you Sebastian, have you any suggestions? It seems that audio
> isn't being recorded at all!
>
>
> On 11 Nov, 19:53, Mascherina <enterforr...@gmail.com> wrote:
> > The sox version is:
> > root# sox --version
> > sox: SoX v14.3.1
> >
> > On 11 Nov, 18:50, "seba.wag...@gmail.com" <seba.wag...@gmail.com>
> > wrote:
> >
> > > and your SoX Version ?
> >
> > > Sebastian
> >
> > > 2010/11/11 Mascherina <enterforr...@gmail.com>
> >
> > > > If I type ffmpeg -version, I get:
> >
> > > > FFmpeg version SVN-r25711, Copyright (c) 2000-2010 the FFmpeg
> > > > developers  bui
> > > >  built on Nov  9 2010 16:28:51 with gcc 4.1.2 20080704 (Red Hat
> > > > 4.1.2-48)  con
> > > >  configuration: --enable-libfaac --enable-shared --enable-memalign-
> > > > hack --enable-gpl
> > > > e-gpl --enable-libtheora --enable-libmp3lame --enable-libopenjpeg --
> > > > enable-libvorbis
> > > > rbis --enable-libxvid --enable-nonfree --disable-yasm  lib
> > > >  libavutil     50.33. 0 / 50.33. 0  lib
> > > >  libavcore      0.12. 0 /  0.12. 0  lib
> > > >  libavcodec    52.94. 3 / 52.94. 3  lib
> > > >  libavformat   52.84. 0 / 52.84. 0  lib
> > > >  libavdevice   52. 2. 2 / 52. 2. 2  lib
> > > >  libavfilter    1.59. 0 /  1.59. 0  lib
> > > >   libswscale     0.12. 0 /  0.12. 0Unabl
> > > > Unable to find a suitable output format for 'pipe:'
> >
> > > > It seems that version is SVN-r25711 and libmp3lame is enabled!!
> >
> > > > On 11 Nov, 18:29, "seba.wag...@gmail.com" <seba.wag...@gmail.com>
> > > > wrote:
> > > > > Hi Mascherina,
> >
> > > > > the one_second is a placeholder if there is no soundfile.
> >
> > > > > What versions of FFMPEG have you installed? Is libmp3lame enabled?
> >
> > > > > Sebastian
> >
> > > > > 2010/11/11 Mascherina <enterforr...@gmail.com>
> >
> > > > > > we have an elearning platform with openmeetings service installed
> for
> > > > > > videoconference. Live streaming works correctly but when we
> record the
> > > > > > conference and then we show it, we can see video but we cannot
> hear
> > > > > > audio. We don't understand where exactly the problem is. In
> > > > > > openmeetings db we find out these logs:
> >
> > > > > > process-mergeWave<br/>error-<br/>command-[/usr/local/bin/sox,
> /opt/
> > > > > > red5/webapps/openmeetings/streams/hibernate/one_second.wav,
> /opt/red5/
> > > > > > webapps/openmeetings/streams/15/
> > > > > > rec_21_stream_d6c3bd8376d1fd9a3f17afd1af398ae9_11_
> > > > > > 11_2010_05_46_04_FINAL_WAVE.wav, pad, 0,
> 30.0]<br/>exitValue-0<br/>
> >
> > > > > > process-generateFullFLV<br/>error-FFmpeg version SVN-r25711,
> Copyright
> > > > > > (c) 2000-2010 the FFmpeg developers built on Nov 9 2010 16:28:51
> with
> > > > > > gcc 4.1.2 20080704 (Red Hat 4.1.2-48) configuration:
> --enable-libfaac
> > > > > > --enable-shared --enable-memalign-hack --enable-gpl
> --enable-libtheora
> > > > > > --enable-libmp3lame --enable-libopenjpeg --enable-libvorbis
> --enable-
> > > > > > libxvid --enable-nonfree --disable-yasm libavutil 50.33. 0 /
> 50.33. 0
> > > > > > libavcore 0.12. 0 / 0.12. 0 libavcodec 52.94. 3 / 52.94. 3
> libavformat
> > > > > > 52.84. 0 / 52.84. 0 libavdevice 52. 2. 2 / 52. 2. 2 libavfilter
> 1.59.
> > > > > > 0 / 1.59. 0 libswscale 0.12. 0 / 0.12. 0[flv @ 0x174ec540] Could
> not
> > > > > > find codec parameters (Audio: [0][0][0][0] / 0x0000, 0
> channels)[flv @
> > > > > > 0x174ec540] Estimating duration from bitrate, this may be
> > > > > > inaccurateSeems stream 0 codec frame rate differs from container
> frame
> > > > > > rate: 1000.00 (1000/1) -> 1.00 (1/1)Input #0, flv, from
> '/opt/red5/
> > > > > > webapps/openmeetings/streams/15/
> > > > > > rec_21_stream_d6c3bd8376d1fd9a3f17afd1af398ae9_11_
> > > > > > 11_2010_05_46_04.flv': Metadata: audiocodecid : -1 duration : 0
> > > > > > videocodecid : -1 canSeekToEnd : true Duration: 00:00:18.00,
> start:
> > > > > > 0.000000, bitrate: N/A Stream #0.0: Video: flashsv, bgr24,
> 640x400, 1
> > > > > > tbr, 1k tbn, 1k tbc Stream #0.1: Audio: [0][0][0][0] / 0x0000, 0
> > > > > > channels[wav @ 0x174ef620] max_analyze_duration reached[wav @
> > > > > > 0x174ef620] Estimating duration from bitrate, this may be
> > > > > > inaccurateInput #1, wav, from
> '/opt/red5/webapps/openmeetings/streams/
> > > > > > 15/rec_21_stream_d6c3bd8376d1fd9a3f17afd1af398ae9_11_
> > > > > > 11_2010_05_46_04_FINAL_WAVE.wav': Duration: 00:00:31.00, bitrate:
> 705
> > > > > > kb/s Stream #1.0: Audio: pcm_s16le, 44100 Hz, 1 channels, s16,
> 705 kb/
> > > > > > s[buffer @ 0x175a9500] w:640 h:400 pixfmt:bgr24[scale @
> 0x175bdec0] w:
> > > > > > 640 h:400 fmt:bgr24 -> w:416 h:256 fmt:bgr24
> flags:0xa0000004Output
> > > > > > #0, flv, to '/opt/red5/webapps/openmeetings/streams/hibernate/
> > > > > > flvRecording_21.flv': Metadata: encoder : Lavf52.84.0 Stream
> #0.0:
> > > > > > Video: flashsv, bgr24, 416x256, q=2-31, 200 kb/s, 1k tbn, 1 tbc
> Stream
> > > > > > #0.1: Audio: libmp3lame, 22050 Hz, 1 channels, s16, 32 kb/sStream
> > > > > > mapping: Stream #0.0 -> #0.0 Stream #1.0 -> #0.1Press [q] to stop
> > > > > > encodingframe= 19 fps= 0 q=0.0 Lsize= 820kB time=19.00 bitrate=
> > > > > > 353.5kbits/s video:679kB audio:121kB global headers:0kB muxing
> > > > > > overhead 2.398266%<br/>command-[/usr/local/bin/ffmpeg, -i,
> /opt/red5/
> > > > > > webapps/openmeetings/streams/15/
> > > > > > rec_21_stream_d6c3bd8376d1fd9a3f17afd1af398ae9_11_
> > > > > > 11_2010_05_46_04.flv, -i,
> /opt/red5/webapps/openmeetings/streams/15/
> > > > > > rec_21_stream_d6c3bd8376d1fd9a3f17afd1af398ae9_11_
> > > > > > 11_2010_05_46_04_FINAL_WAVE.wav, -ar, 22050, -acodec, libmp3lame,
> -ab,
> > > > > > 32k, -s, 416x256, -vcodec, flashsv, -map, 0.0, -map, 1.0,
> /opt/red5/
> > > > > > webapps/openmeetings/streams/hibernate/flvRecording_21.flv]<br/
> > > > > > >exitValue-0<br/>
> >
> > > > > > process-generateFullFLV<br/>error-FFmpeg version SVN-r25711,
> Copyright
> > > > > > (c) 2000-2010 the FFmpeg developers built on Nov 9 2010 16:28:51
> with
> > > > > > gcc 4.1.2 20080704 (Red Hat 4.1.2-48) configuration:
> --enable-libfaac
> > > > > > --enable-shared --enable-memalign-hack --enable-gpl
> --enable-libtheora
> > > > > > --enable-libmp3lame --enable-libopenjpeg --enable-libvorbis
> --enable-
> > > > > > libxvid --enable-nonfree --disable-yasm libavutil 50.33. 0 /
> 50.33. 0
> > > > > > libavcore 0.12. 0 / 0.12. 0 libavcodec 52.94. 3 / 52.94. 3
> libavformat
> > > > > > 52.84. 0 / 52.84. 0 libavdevice 52. 2. 2 / 52. 2. 2 libavfilter
> 1.59.
> > > > > > 0 / 1.59. 0 libswscale 0.12. 0 / 0.12. 0[flv @ 0x509c540]
> > > > > > max_analyze_duration reached[flv @ 0x509c540] Estimating duration
> from
> > > > > > bitrate, this may be inaccurateSeems stream 0 codec frame rate
> differs
> > > > > > from container frame rate: 1000.00 (1000/1) -> 1.00 (1/1)Input
> #0,
> > > > > > flv, from '/opt/red5/webapps/openmeetings/streams/hibernate/
> > > > > > flvRecording_21.flv': Metadata: duration : 31 width : 416 height
> : 256
> > > > > > videodatarate : 195 framerate : 1 videocodecid : 3 audiodatarate
> : 31
> > > > > > audiosamplerate : 22050 audiosamplesize : 16 stereo : false
> > > > > > audiocodecid : 2 encoder : Lavf52.84.0 filesize : 839547
> Duration:
> > > > > > 00:00:31.08, start: 0.000000, bitrate: 232 kb/s Stream #0.0:
> Video:
> > > > > > flashsv, bgr24, 416x256, 200 kb/s, 1 tbr, 1k tbn, 1k tbc Stream
> #0.1:
> > > > > > Audio: mp3, 22050 Hz, 1 channels, s16, 32 kb/s[buffer @
> 0x50a4c20] w:
> > > > > > 416 h:256 pixfmt:bgr24[ffsink @ 0x50a42d0] auto-inserting filter
> 'auto-
> > > > > > inserted scaler 0' between the filter 'src' and the filter
> 'out'[scale
> > > > > > @ 0x50a4620] w:416 h:256 fmt:bgr24 -> w:416 h:256 fmt:yuvj420p
> flags:
> > > > > > 0xa0000004Output #0, rawvideo, to
> '/opt/red5/webapps/openmeetings/
> > > > > > streams/hibernate/flvRecording_21.jpg': Metadata: encoder :
> > > > > > Lavf52.84.0 Stream #0.0: Video: mjpeg, yuvj420p, 416x256, q=2-31,
> 200
> > > > > > kb/s, 90k tbn, 1 tbcStream mapping: Stream #0.0 -> #0.0Press [q]
> to
> > > > > > stop encodingframe= 1 fps= 0 q=6.1 Lsize= 19kB time=1.00 bitrate=
> > > > > > 152.3kbits/s video:19kB audio:0kB global headers:0kB muxing
> overhead
> > > > > > 0.000000%<br/>command-[/usr/local/bin/ffmpeg, -i,
> /opt/red5/webapps/
> > > > > > openmeetings/streams/hibernate/flvRecording_21.flv, -vcodec,
> mjpeg, -
> > > > > > vframes, 1, -an, -f, rawvideo, -s, 416x256, /opt/red5/webapps/
> > > > > >
> openmeetings/streams/hibernate/flvRecording_21.jpg]<br/>exitValue-0<br/
> >
> > > > > > process-alternateDownload<br/>error-FFmpeg version SVN-r25711,
> > > > > > Copyright (c) 2000-2010 the FFmpeg developers built on Nov 9 2010
> > > > > > 16:28:51 with gcc 4.1.2 20080704 (Red Hat 4.1.2-48)
> configuration: --
> > > > > > enable-libfaac --enable-shared --enable-memalign-hack
> --enable-gpl --
> > > > > > enable-libtheora --enable-libmp3lame --enable-libopenjpeg
> --enable-
> > > > > > libvorbis --enable-libxvid --enable-nonfree --disable-yasm
> libavutil
> > > > > > 50.33. 0 / 50.33. 0 libavcore 0.12. 0 / 0.12. 0 libavcodec 52.94.
> 3 /
> > > > > > 52.94. 3 libavformat 52.84. 0 / 52.84. 0 libavdevice 52. 2. 2 /
> 52. 2.
> > > > > > 2 libavfilter 1.59. 0 / 1.59. 0 libswscale 0.12. 0 / 0.12. 0[flv
> @
> > > > > > 0xdc40540] max_analyze_duration reached[flv @ 0xdc40540]
> Estimating
> > > > > > duration from bitrate, this may be inaccurateSeems stream 0 codec
> > > > > > frame rate differs from container frame rate: 1000.00 (1000/1) ->
> 1.00
> > > > > > (1/1)Input #0, flv, from '/opt/red5/webapps/openmeetings/streams/
> > > > > > hibernate/flvRecording_21.flv': Metadata: duration : 31 width :
> 416
> > > > > > height : 256 videodatarate : 195 framerate : 1 videocodecid : 3
> > > > > > audiodatarate : 31 audiosamplerate : 22050 audiosamplesize : 16
> > > > > > stereo : false audiocodecid : 2 encoder : Lavf52.84.0 filesize :
> > > > > > 839547 Duration: 00:00:31.08, start: 0.000000, bitrate: 232 kb/s
> > > > > > Stream #0.0: Video: flashsv, bgr24, 416x256, 200 kb/s, 1 tbr, 1k
> tbn,
> > > > > > 1k tbc Stream #0.1: Audio: mp3, 22050 Hz, 1 channels, s16, 32 kb/
> > > > > > s[buffer @ 0xdc6f970] w:416 h:256 pixfmt:bgr24[ffsink @
> 0xdc6fbd0]
> > > > > > auto-inserting filter 'auto-inserted scaler 0' between the filter
> > > > > > 'src' and the filter 'out'[scale @ 0xdc6ff20] w:416 h:256
> fmt:bgr24 ->
> > > > > > w:416 h:256 fmt:yuv420p flags:0xa0000004Output #0, avi, to
> '/opt/red5/
> > > > > > webapps/openmeetings/streams/hibernate/flvRecording_21.avi':
> Metadata:
> > > > > > ISFT : Lavf52.84.0 Stream #0.0: Video: mpeg4, yuv420p, 416x256,
> > > > > > q=2-31, 200 kb/s, 1 tbn, 1 tbc Stream #0.1: Audio: mp2, 22050 Hz,
> 1
> > > > > > channels, s16, 64
> >
> > ...
> >
> > leggi tutto
>
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>


-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.wagner-sebastian.com
seba.wag...@gmail.com

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