Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread http://sourceforge.net/p/pd-gem/bugs/211/, I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Hi...
You can use ffmpeg + v4l2loopback to make a "virual" video device openable with gem...
Here's an example of the command line : ffmpeg -i rtsp://10.0.0.69:1234//live1.sdp -pix_fmt yuv420p -an -r 25 -f v4l2 /dev/video69
(http and rtmp work too)
But ffmpeg must be built with the v4l2loopback backend. The static one here works : http://ffmpeg.gusari.org/static (unreachable right now... :-/ )
Here's some documentations, but it's in french, sorry : http://wiki.labomedia.org/index.php/Flux_TaBec
Goodluck...
01ivier
"On ne peut pas vivre dans un monde où l'on croit que l'élégance exquise du plumage de la pintade est inutile. Ceci est tout à fait à part. J'ai eu envie de le dire, je l'ai dit." Jean Giono, Un roi sans divertissement.
Le 04.03.2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread [1], I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Links:
[1] http://sourceforge.net/p/pd-gem/bugs/211/
Pd-list@lists.iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
Hi Etienne,
you can also make a Gstreamer pipeline that writes to a v4l2loopback since it's available in the 14.04 repos, I think it's easier than ffmpeg solution But you'll have to make a different pipeline for each like with pdgst.
btw, I just tested VLC plugin and successfully display a video stream into Gem with libvlc-dev version 2.2.0pre2 on Ubuntu 14.10 64bit
a
-- do it yourself http://antoine.villeret.free.fr
2015-03-04 20:48 GMT+01:00 Olivier Baudu olivier@labomedia.net:
Hi...
You can use ffmpeg + v4l2loopback to make a "virual" video device openable with gem...
Here's an example of the command line : ffmpeg -i rtsp://10.0.0.69:1234//live1.sdp -pix_fmt yuv420p -an -r 25 -f v4l2 /dev/video69
(http and rtmp work too)
But ffmpeg must be built with the v4l2loopback backend. The static one here works : http://ffmpeg.gusari.org/static (unreachable right now... :-/ )
Here's some documentations, but it's in french, sorry : http://wiki.labomedia.org/index.php/Flux_TaBec
Goodluck...
01ivier
"On ne peut pas vivre dans un monde où l'on croit que l'élégance exquise du plumage de la pintade est inutile. Ceci est tout à fait à part. J'ai eu envie de le dire, je l'ai dit." Jean Giono, Un roi sans divertissement.
Le 04.03.2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread [1], I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Links:
[1] http://sourceforge.net/p/pd-gem/bugs/211/
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Hello,
Try to remove the Image Magick plug-in in your Gem folder. There was (on my system), a conflict between VLC and ImageMagick. For info, le right message is : [driver vlc, device screen://( and not [driver vlc, screen://(. ++
Jack
Le 04/03/2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread http://sourceforge.net/p/pd-gem/bugs/211/, I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Pd-list@lists.iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
Thank you all for your answers,
Le français ne pose pas trop de problème :) and Labomedia is one of my first source when facing such issues (thanks for that !). Still, I'd really prefer a "inner Gem" solution Antoine, I just tried with 14.10 and libvlc-dev version 2.2.0pre2 but same thing, it crashes gem. So this must be something with my install procedure, I've gathered a list of command to compile Gem with a maximum of plugins. I'm going to try again with only the components I really need.
Jack I tried removing the plugin from my fresh gem compil and no luck. I just removed the symlink, is it enough ? I'll try a "--without-ImageMagick" configuration. And sorry, I forgot the "device" in my mail, I had it in my patches.
Etienne
2015-03-04 22:16 GMT+01:00 Jack jack@rybn.org:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Hello,
Try to remove the Image Magick plug-in in your Gem folder. There was (on my system), a conflict between VLC and ImageMagick. For info, le right message is : [driver vlc, device screen://( and not [driver vlc, screen://(. ++
Jack
Le 04/03/2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread http://sourceforge.net/p/pd-gem/bugs/211/, I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Pd-list@lists.iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
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according to the backtrace, you have liblua 5.1, I have 5.2, maybe an upgrade could be worth a try ? also I'm using pd-vanilla, but i don't think this is the root of the issue
btw could you open the stream with vlc and this configuration ? is it an internet stream I can play from Bruxelles ?
a
-- do it yourself http://antoine.villeret.free.fr
2015-03-05 1:19 GMT+01:00 Etienne Landon landon.etienne@gmail.com:
Thank you all for your answers,
Le français ne pose pas trop de problème :) and Labomedia is one of my first source when facing such issues (thanks for that !). Still, I'd really prefer a "inner Gem" solution Antoine, I just tried with 14.10 and libvlc-dev version 2.2.0pre2 but same thing, it crashes gem. So this must be something with my install procedure, I've gathered a list of command to compile Gem with a maximum of plugins. I'm going to try again with only the components I really need.
Jack I tried removing the plugin from my fresh gem compil and no luck. I just removed the symlink, is it enough ? I'll try a "--without-ImageMagick" configuration. And sorry, I forgot the "device" in my mail, I had it in my patches.
Etienne
2015-03-04 22:16 GMT+01:00 Jack jack@rybn.org:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Hello,
Try to remove the Image Magick plug-in in your Gem folder. There was (on my system), a conflict between VLC and ImageMagick. For info, le right message is : [driver vlc, device screen://( and not [driver vlc, screen://(. ++
Jack
Le 04/03/2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread http://sourceforge.net/p/pd-gem/bugs/211/, I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Pd-list@lists.iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
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I saw the backtrace saying things about lua, I'll try and update. Maybe I could give a shot to a vanilla, is there any difference in lua version between vanilla and extended ?
I can open the streams with VLC, with 2.0.8 it doesn't work fine but with 2.1 and 2.2 I had no issue. You can try this one for instance (I have many), these are weather or tourism cam: rtmp://5.196.77.94:1935/live/rouen.stream or rtmp://5.196.77.94:1935/live/plougonvelin.stream
Thanks again !
2015-03-05 2:53 GMT+01:00 Antoine Villeret antoine.villeret@gmail.com:
according to the backtrace, you have liblua 5.1, I have 5.2, maybe an upgrade could be worth a try ? also I'm using pd-vanilla, but i don't think this is the root of the issue
btw could you open the stream with vlc and this configuration ? is it an internet stream I can play from Bruxelles ?
a
-- do it yourself http://antoine.villeret.free.fr
2015-03-05 1:19 GMT+01:00 Etienne Landon landon.etienne@gmail.com:
Thank you all for your answers,
Le français ne pose pas trop de problème :) and Labomedia is one of my first source when facing such issues (thanks for that !). Still, I'd really prefer a "inner Gem" solution Antoine, I just tried with 14.10 and libvlc-dev version 2.2.0pre2 but same thing, it crashes gem. So this must be something with my install procedure, I've gathered a list of command to compile Gem with a maximum of plugins. I'm going to try again with only the components I really need.
Jack I tried removing the plugin from my fresh gem compil and no luck. I just removed the symlink, is it enough ? I'll try a "--without-ImageMagick" configuration. And sorry, I forgot the "device" in my mail, I had it in my patches.
Etienne
2015-03-04 22:16 GMT+01:00 Jack jack@rybn.org:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Hello,
Try to remove the Image Magick plug-in in your Gem folder. There was (on my system), a conflict between VLC and ImageMagick. For info, le right message is : [driver vlc, device screen://( and not [driver vlc, screen://(. ++
Jack
Le 04/03/2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread http://sourceforge.net/p/pd-gem/bugs/211/, I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Pd-list@lists.iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
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Forgot to mention, I always try vlc plugin with screen:// first, not with a stream url. My guess is that it's something that should work any time (more sure than trying a stream).
Etienne
2015-03-05 9:30 GMT+01:00 Etienne Landon landon.etienne@gmail.com:
I saw the backtrace saying things about lua, I'll try and update. Maybe I could give a shot to a vanilla, is there any difference in lua version between vanilla and extended ?
I can open the streams with VLC, with 2.0.8 it doesn't work fine but with 2.1 and 2.2 I had no issue. You can try this one for instance (I have many), these are weather or tourism cam: rtmp://5.196.77.94:1935/live/rouen.stream or rtmp://5.196.77.94:1935/live/plougonvelin.stream
Thanks again !
2015-03-05 2:53 GMT+01:00 Antoine Villeret antoine.villeret@gmail.com:
according to the backtrace, you have liblua 5.1, I have 5.2, maybe an upgrade could be worth a try ? also I'm using pd-vanilla, but i don't think this is the root of the issue
btw could you open the stream with vlc and this configuration ? is it an internet stream I can play from Bruxelles ?
a
-- do it yourself http://antoine.villeret.free.fr
2015-03-05 1:19 GMT+01:00 Etienne Landon landon.etienne@gmail.com:
Thank you all for your answers,
Le français ne pose pas trop de problème :) and Labomedia is one of my first source when facing such issues (thanks for that !). Still, I'd really prefer a "inner Gem" solution Antoine, I just tried with 14.10 and libvlc-dev version 2.2.0pre2 but same thing, it crashes gem. So this must be something with my install procedure, I've gathered a list of command to compile Gem with a maximum of plugins. I'm going to try again with only the components I really need.
Jack I tried removing the plugin from my fresh gem compil and no luck. I just removed the symlink, is it enough ? I'll try a "--without-ImageMagick" configuration. And sorry, I forgot the "device" in my mail, I had it in my patches.
Etienne
2015-03-04 22:16 GMT+01:00 Jack jack@rybn.org:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Hello,
Try to remove the Image Magick plug-in in your Gem folder. There was (on my system), a conflict between VLC and ImageMagick. For info, le right message is : [driver vlc, device screen://( and not [driver vlc, screen://(. ++
Jack
Le 04/03/2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread http://sourceforge.net/p/pd-gem/bugs/211/, I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
Pd-list@lists.iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
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hi,
it works here, I can open the two streams you linked to. I can change the size and open screen:// too. My configuration is : Pd-vanilla 0.46.5 GEM: ver: 0.93.git b8b6549 Ubuntu 14.10 64bit libvlc-dev 2.2.0-pre2
and I do have imagemagick plugin loaded.
a
-- do it yourself http://antoine.villeret.free.fr
2015-03-05 9:35 GMT+01:00 Etienne Landon landon.etienne@gmail.com:
Forgot to mention, I always try vlc plugin with screen:// first, not with a stream url. My guess is that it's something that should work any time (more sure than trying a stream).
Etienne
2015-03-05 9:30 GMT+01:00 Etienne Landon landon.etienne@gmail.com:
I saw the backtrace saying things about lua, I'll try and update. Maybe I could give a shot to a vanilla, is there any difference in lua version between vanilla and extended ?
I can open the streams with VLC, with 2.0.8 it doesn't work fine but with 2.1 and 2.2 I had no issue. You can try this one for instance (I have many), these are weather or tourism cam: rtmp://5.196.77.94:1935/live/rouen.stream or rtmp://5.196.77.94:1935/live/plougonvelin.stream
Thanks again !
2015-03-05 2:53 GMT+01:00 Antoine Villeret antoine.villeret@gmail.com:
according to the backtrace, you have liblua 5.1, I have 5.2, maybe an upgrade could be worth a try ? also I'm using pd-vanilla, but i don't think this is the root of the issue
btw could you open the stream with vlc and this configuration ? is it an internet stream I can play from Bruxelles ?
a
-- do it yourself http://antoine.villeret.free.fr
2015-03-05 1:19 GMT+01:00 Etienne Landon landon.etienne@gmail.com:
Thank you all for your answers,
Le français ne pose pas trop de problème :) and Labomedia is one of my first source when facing such issues (thanks for that !). Still, I'd really prefer a "inner Gem" solution Antoine, I just tried with 14.10 and libvlc-dev version 2.2.0pre2 but same thing, it crashes gem. So this must be something with my install procedure, I've gathered a list of command to compile Gem with a maximum of plugins. I'm going to try again with only the components I really need.
Jack I tried removing the plugin from my fresh gem compil and no luck. I just removed the symlink, is it enough ? I'll try a "--without-ImageMagick" configuration. And sorry, I forgot the "device" in my mail, I had it in my patches.
Etienne
2015-03-04 22:16 GMT+01:00 Jack jack@rybn.org:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Hello,
Try to remove the Image Magick plug-in in your Gem folder. There was (on my system), a conflict between VLC and ImageMagick. For info, le right message is : [driver vlc, device screen://( and not [driver vlc, screen://(. ++
Jack
Le 04/03/2015 20:29, Etienne Landon a écrit :
Hi list,
I want to get web camera streams into Gem, with different streaming formats (mainly http and rtmp). VLC plugin seems like the perfect way to handle that, but I can't get it to work with Gem. I know pdgst could be a solution but vlc has the advantage that I could handle any stream type the same way (where gst needs a different pipe).
On Mint17 and Ubuntu 14.04 Gem crashes with segfault as soon as I try to open anything with VLC (like |driver vlc, screen://( ) Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same behaviour. Having seen this thread http://sourceforge.net/p/pd-gem/bugs/211/, I tried the symlink removal without success, so made a gdb backtrace (attached with this message, usefull information are in the last lines) Config for this backtrace is : Freshly installed, updated Ubuntu 14.04.1 VLC 2.1.4 pd-extended 0.43.4 Gem 0.93.git 374f713 freshly compiled
I had success regarding VLC and Gem on Ubuntu 13.10, which uses vlc 2.0.8. But with that vlc version, my stream is really long to start and stops after one minute or so. VLC behaviour between 2.0.8 and 2.1.4 regarding rtmp looks very different, in vlc 2.1.x changelog they say "New RTMP input module, using libavformat!", which might explain that (seems that it was ffmpeg before).
Has anyone successfully compiled vlc plugin for gem with recent vlc version ? Or any idea what other solution I could try ?
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
On 2015-03-05 11:02, Antoine Villeret wrote:
hi,
it works here, I can open the two streams you linked to. I can change the size and open screen:// too. My configuration is : Pd-vanilla 0.46.5 GEM: ver: 0.93.git b8b6549 Ubuntu 14.10 64bit libvlc-dev 2.2.0-pre2
and I do have imagemagick plugin loaded.
i have no idea why it crashes, but some random notes:
- make sure that the VLC-headers used for compiling match the
VLC-library used when running Gem (if this is a stock ubuntu/mint/... thenthere shouldn't be a problem; but maybe you have some weirdo things in /usr/local/...)
- i think antoines original lead about imagematick might be worth
considering and expanding: try disabling *all* Gem-plugins but gem-videoVLC (deleting the links is enough; no need to recompile Gem).
- i had crashes (iirc on w32, but nevertheless...) when VLC could not
find it's plugins (that is: the VLC-plugins); VLC_PLUGIN_PATH might help.
fgmasr IOhannes
Ok so I tried with gem 0.93.git b8b6549, both ubuntu 14.04 and 14.10, still crashing even with only gem_videoVLC and gemglutwindow plugins. I'm going to try again from a fresh install, perhaps some crap of my yesterdays tries is still here and there. I guess I still have to try with pd0.46 and/or lua 5.2.
One thing, with gem0.93.git b8b6549 I need to manually add gem path when starting pd, it doesn't find it automatically and adding the path in preferences is not saved. Is it a normal behaviour ?
I put below the process I aways make when installing a fresh pd-extended, perhaps there is some old line that doesn't work anymore that could explain why I can't have it work here when it's working nice with others.
So : **install ubuntu (or mint) then upgrade* sudo apt-get update sudo apt-get upgrade
**install pd-extended (from pure data site)*
sudo add-apt-repository "deb http://apt.puredata.info/releases lsb_release -c | awk '{print $2}' main"
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key
9f0fe587374bbe81
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key
D63D3D09C39F5EEB
sudo apt-get update
sudo apt-get install pd-extended
When trying with 14.10 I manually change unicorn to trusty in /etc/apt/sources.list
*compile gem (from labomedia wiki) sudo apt-get install git-core automake autotools-dev build-essential libtool sudo apt-get build-dep puredata gem pd-pdp sudo apt-get install libdc1394-22-dev libgl1-mesa-dev libglu1-mesa-dev ftgl-dev libmagic++-dev libgmerlin-dev libmpeg3-dev libavifile-0.7-dev libquicktime-dev libdv4-dev libv4l-dev libvlc-dev libvlccore-dev libgmerlin-avdec-dev libassimp-dev <- used to have libglut3-dev but it's not present anymore so I removed it
git clone git://pd-gem.git.sourceforge.net/gitroot/pd-gem/Gem *or git clone git://git.code.sf.net/p/pd-gem/gem http://git.code.sf.net/p/pd-gem/gem pd-gem-gem for *b8b6549 cd Gem aclocal ./autogen.sh ./configure make sudo make install *this puts Gem in /usr/local/lib/pd/extra, I move it in pd-extended extra folder manually* sudo mv /usr/lib/pd-extended/extra/Gem /usr/lib/pd-extended/extra/Gem-old sudo cp -R /usr/local/lib/pd/extra/Gem /usr/lib/pd-extended/extra
With mint it's enough, with ubuntu I have to add a "sudo apt-get install vlc" else the plugin is loaded but disabled in Gem
Is there anything wrong with my procedure ?
Etienne
2015-03-05 11:41 GMT+01:00 IOhannes m zmoelnig zmoelnig@iem.at:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
On 2015-03-05 11:02, Antoine Villeret wrote:
hi,
it works here, I can open the two streams you linked to. I can change the size and open screen:// too. My configuration is : Pd-vanilla 0.46.5 GEM: ver: 0.93.git b8b6549 Ubuntu 14.10 64bit libvlc-dev 2.2.0-pre2
and I do have imagemagick plugin loaded.
i have no idea why it crashes, but some random notes:
- make sure that the VLC-headers used for compiling match the
VLC-library used when running Gem (if this is a stock ubuntu/mint/... thenthere shouldn't be a problem; but maybe you have some weirdo things in /usr/local/...)
- i think antoines original lead about imagematick might be worth
considering and expanding: try disabling *all* Gem-plugins but gem-videoVLC (deleting the links is enough; no need to recompile Gem).
- i had crashes (iirc on w32, but nevertheless...) when VLC could not
find it's plugins (that is: the VLC-plugins); VLC_PLUGIN_PATH might help.
fgmasr IOhannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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*compile gem (from labomedia wiki)
LOL... I'm quite sure it's where the problem comes from... :-) But I can't help you on that... :-p
01ivier
"On ne peut pas vivre dans un monde où l'on croit que l'élégance exquise du plumage de la pintade est inutile. Ceci est tout à fait à part. J'ai eu envie de le dire, je l'ai dit." Jean Giono, Un roi sans divertissement.
Le 05.03.2015 17:15, Etienne Landon a écrit :
Ok so I tried with gem 0.93.git b8b6549, both ubuntu 14.04 and 14.10, still crashing even with only gem_videoVLC and gemglutwindow plugins. I'm going to try again from a fresh install, perhaps some crap of my yesterdays tries is still here and there. I guess I still have to try with pd0.46 and/or lua 5.2.
One thing, with gem0.93.git b8b6549 I need to manually add gem path when starting pd, it doesn't find it automatically and adding the path in preferences is not saved. Is it a normal behaviour ?
I put below the process I aways make when installing a fresh pd-extended, perhaps there is some old line that doesn't work anymore that could explain why I can't have it work here when it's working nice with others.
So : _*install ubuntu (or mint) then upgrade_ sudo apt-get update sudo apt-get upgrade
_*install pd-extended (from pure data site)_
sudo add-apt-repository "deb http://apt.puredata.info/releases [2]
lsb_release -c | awk '{print $2}'main" sudo apt-key adv --keyserver keyserver.ubuntu.com [3] --recv-key 9f0fe587374bbe81 sudo apt-key adv --keyserver keyserver.ubuntu.com [3] --recv-key D63D3D09C39F5EEB sudo apt-get update sudo apt-get install pd-extendedWhen trying with 14.10 I manually change unicorn to trusty in /etc/apt/sources.list
*compile gem (from labomedia wiki)
sudo apt-get install git-core automake autotools-dev build-essential libtool
sudo apt-get build-dep puredata gem pd-pdp
sudo apt-get install libdc1394-22-dev libgl1-mesa-dev libglu1-mesa-dev ftgl-dev libmagic++-dev libgmerlin-dev libmpeg3-dev libavifile-0.7-dev libquicktime-dev libdv4-dev libv4l-dev libvlc-dev libvlccore-dev libgmerlin-avdec-dev libassimp-dev <- used to have libglut3-dev but it's not present anymore so I removed it
git clone git://pd-gem.git.sourceforge.net/gitroot/pd-gem/Gem [4] _or git clone git://git.code.sf.net/p/pd-gem/gem [5] pd-gem-gem for _b8b6549
cd Gem aclocal ./autogen.sh ./configure make
sudo make install _this puts Gem in /usr/local/lib/pd/extra, I move it in pd-extended extra folder manually_
sudo mv /usr/lib/pd-extended/extra/Gem /usr/lib/pd-extended/extra/Gem-old
sudo cp -R /usr/local/lib/pd/extra/Gem /usr/lib/pd-extended/extra
With mint it's enough, with ubuntu I have to add a "sudo apt-get install vlc" else the plugin is loaded but disabled in Gem
Is there anything wrong with my procedure ?
Etienne
2015-03-05 11:41 GMT+01:00 IOhannes m zmoelnig zmoelnig@iem.at:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
On 2015-03-05 11:02, Antoine Villeret wrote:
hi,
it works here, I can open the two streams you linked to. I can change the size and open screen:// too. My configuration is : Pd-vanilla 0.46.5 GEM: ver: 0.93.git b8b6549 Ubuntu 14.10 64bit libvlc-dev 2.2.0-pre2
and I do have imagemagick plugin loaded.
i have no idea why it crashes, but some random notes:
- make sure that the VLC-headers used for compiling match the
VLC-library used when running Gem (if this is a stock ubuntu/mint/... thenthere shouldn't be a problem; but maybe you have some weirdo things in /usr/local/...)
- i think antoines original lead about imagematick might be worth
considering and expanding: try disabling *all* Gem-plugins but gem-videoVLC (deleting the links is enough; no need to recompile Gem).
- i had crashes (iirc on w32, but nevertheless...) when VLC could
not find it's plugins (that is: the VLC-plugins); VLC_PLUGIN_PATH might help.
fgmasr IOhannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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-----END PGP SIGNATURE-----
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Links:
[1] http://lists.puredata.info/listinfo/pd-list [2] http://apt.puredata.info/releases [3] http://keyserver.ubuntu.com [4] http://pd-gem.git.sourceforge.net/gitroot/pd-gem/Gem [5] http://git.code.sf.net/p/pd-gem/gem
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On 03/04/2015 10:16 PM, Jack wrote:
For info, le right message is : [driver vlc, device screen://( and not
or just [device screen://( Gem will try to open the given device with each backend until one claims that it can open it. so if no other backend nows how to open "screen://", Gem will end up automatically selecting videoVLC for you.
fgmsdar IOhannes
Sorry, it took me some time to try different things. Thank you IOhannes for keeping this alive ^^
Hehe, Labomedia is a nice place for informations, but to handle with care. But that tutorial allowed me to have vlc plugin working some years ago, and as little changed since I don't see why it doesn't work anymore.
So far still no luck, but with my latest tries I had some interesting behaviour, that makes me think this might more be a vlc plugin issue as IOhannes suggested. Moreover Antoine kindly sent me it's binaries (those that are working on his computer, and they behave the same on my computer as the Gem I compiled. So let's say it's not related to compilation.
Looking in the plugin path direction, I realized that whatever vlc options I add with the path (like --plugin-path, or -vv), then pd doesn't crash, but doesn't display the frames. If pd is launched from terminal I get error messages from vlc core, so it seems like Gem and vlc are definitly talking to each other, and that it's a further negociation between them that causes the crash. Ubunt reports and gdb bt point at lua, it looks like lua scripts are used to parse metadata and get the plugin vlc should use, but I can't understantd why this works with vlc in cli but not in Gem.
Any idea what could be the issue ? I'm making a fresh install each and every time, vlc and vlc-dev from repo, no customisation. Even tried installing only the components suggested by Antoine on the other thread related to vlc (VlC plugin - missing openGL header)
2015-03-07 20:54 GMT+01:00 IOhannes m zmölnig zmoelnig@iem.at:
On 03/04/2015 10:16 PM, Jack wrote:
For info, le right message is : [driver vlc, device screen://( and not
or just [device screen://( Gem will try to open the given device with each backend until one claims that it can open it. so if no other backend nows how to open "screen://", Gem will end up automatically selecting videoVLC for you.
fgmsdar IOhannes
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Hi Etienne, I am not sure if I understood well your problem, but I have a strange behaving in Gem too with VLC plugin. I have 2 identical IP cams on a local network, and while the first cam streams video smoothly or almost smoothly, the other cam shows a one second stream max or less, than stops at the last frame and never goes on. Already tried many computers with ubuntu 14.04.2 and looks the same. While in a browser or VLC i can see the stream, in Gem with videovlc plugin it stops.
Here are some error reports from the terminal, maybe it is interesting for you:
MultiFramedRTPSource::doGetNextFrame1(): The total received frame size exceeds the client's buffer size (100000). 80761 bytes of trailing data will be dropped! ../../../include/vlc_xlib.h:46:vlc_xlib_init: Xlib not initialized for threads. This process is probably using LibVLC incorrectly. Pass "--no-xlib" to libvlc_new() to fix this. [b0e398c8] vdpau_avcodec generic error: Xlib not initialized for threads [b0e398c8] vdpau_avcodec generic error: Xlib is required for VDPAU [b0e643c0] core vout display error: Failed to change zoom [b0e643c0] core vout display error: Failed to set on top [b0e643c0] core vout display error: Failed to change source AR [h264 @ 0xb0e329c0] Invalid level prefix [h264 @ 0xb0e329c0] error while decoding MB 88 40 [b0e643c0] core vout display error: Failed to change zoom [b0e643c0] core vout display error: Failed to change source AR
Popesz
On Mon, Mar 9, 2015 at 1:08 PM, Etienne Landon landon.etienne@gmail.com wrote:
Sorry, it took me some time to try different things. Thank you IOhannes for keeping this alive ^^
Hehe, Labomedia is a nice place for informations, but to handle with care. But that tutorial allowed me to have vlc plugin working some years ago, and as little changed since I don't see why it doesn't work anymore.
So far still no luck, but with my latest tries I had some interesting behaviour, that makes me think this might more be a vlc plugin issue as IOhannes suggested. Moreover Antoine kindly sent me it's binaries (those that are working on his computer, and they behave the same on my computer as the Gem I compiled. So let's say it's not related to compilation.
Looking in the plugin path direction, I realized that whatever vlc options I add with the path (like --plugin-path, or -vv), then pd doesn't crash, but doesn't display the frames. If pd is launched from terminal I get error messages from vlc core, so it seems like Gem and vlc are definitly talking to each other, and that it's a further negociation between them that causes the crash. Ubunt reports and gdb bt point at lua, it looks like lua scripts are used to parse metadata and get the plugin vlc should use, but I can't understantd why this works with vlc in cli but not in Gem.
Any idea what could be the issue ? I'm making a fresh install each and every time, vlc and vlc-dev from repo, no customisation. Even tried installing only the components suggested by Antoine on the other thread related to vlc (VlC plugin - missing openGL header)
2015-03-07 20:54 GMT+01:00 IOhannes m zmölnig zmoelnig@iem.at:
On 03/04/2015 10:16 PM, Jack wrote:
For info, le right message is : [driver vlc, device screen://( and not
or just [device screen://( Gem will try to open the given device with each backend until one claims that it can open it. so if no other backend nows how to open "screen://", Gem will end up automatically selecting videoVLC for you.
fgmsdar IOhannes
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On 03/04/2015 08:29 PM, Etienne Landon wrote:
Both use vlc 2.1.4, I also tried 2.1.6 (vlc stable-daily ppa), same
btw, i'm using libvlc 2.2.0~rc2-2 (as found in Debian) and i don't see any crashes, though i have quite a few plugins loaded¹.
gfmsadt IOhannes
¹ here's a list: filmGMERLIN filmMPEG3 filmQT4L imageJPEG imageMAGICK imageSGI imageTIFF modelASSIMP2 modelASSIMP3 modelOBJ recordQT4L recordV4L2 recordV4L videoDC1394 videoDV4L videoUNICAP videoV4L2 videoV4L videoVLC
-
Antoine Villeret -
Csaba Láng -
Etienne Landon -
IOhannes m zmoelnig -
IOhannes m zmölnig
-
Jack -
Olivier Baudu