Why not use swfdec-mozilla? (was Re: Installing Flash on the OLPC)
Hello everyone,
(top-posting due to tangent nature of discussion)
Just a thought here, in my experience, swfdec[1] works far better than
gnash for flash websites; why not use that? There's a Firefox/Gecko
plugin called swfdec-mozilla which works beautifully.
swfdec{,-mozilla} use gstreamer, are LGPLed, and support most of the
Flash 9 features whereas gnash supports only a few of the Flash 9
features. swfdec is also the default Flash player on Fedora, and is
the preferred flash player on Ubuntu.
Were there some specific problems with using swfdec? Or was it not
under consideration due to some factors?
On Wed, Dec 31, 2008 at 5:11 AM, S Page i...@skierpage.com wrote:
Dear genesee, Carlos Nazareno, Everybody,
gently Many more people are going to read
http://wiki.laptop.org/go/Adobe_Flash page than follow this mailing
list. Your effect on XO users by only answering problems here is
limited, you're just making the smart smarter still.
--
~Nirbheek Chauhan
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Re: XOs with no sound
Happy New Year. We don't use the Measure Activity. Here are the most frequently used Activities using sound: - Scratch version 11 (with resume sound problem, ticket #6201) - Record version 59 - Browse version 98 with Adobe flash plugin version 10.0.12.36 (gnash deinstalled) for a flash based English learning program - Gcompris bundle Version 10 - Speak version 9 Recording with Scratch works with No sound XOs even so Capture volume is set to 0. I will keep an eye on the alsamixer when I use these activities. Regards, Philipp James Cameron wrote: On Wed, Dec 31, 2008 at 03:52:05PM +0700, Philipp Kocher wrote: Alsa keeps the values in memory and writes it into the /etc/alsa/asound.state file during shutdown. The file has a new timestamp, so someone is writing into it at least. Okay, that must be a build 767 thing. Recent development builds use /etc/asound.state only. I've checked only the development builds at this stage. Master Mono Playback Switch: is false should be true (line 50) Master Mono Playback Volume: is 0 should be 28 (line 61) These two should have no effect. I've tested that they have no effect on audio playback. The method I used was to temporarily install the OSS module, and run a background process writing noise to the output. Thus: modprobe snd-pcm-oss dd if=/dev/urandom of=/dev/dsp While this is running I then manipulated the controls using alsamixer. The Master Mono Playback controls did nothing. (Incidentally, the volume control keys on the keyboard changed the Master control only, not the Master Mono control, and not the PCM control.) PCM Playback Switch: is false:false should be true:true (line 178) In false:false state, this switch prevents all sound output from activities and applications. The noise test above fell silent. PCM Playback Volume: is 0:0 should be 22:22 (line 190) In 0:0 state, the audio is less loud, but not eliminated. The noise test continued to generate audio, but I needed to set the Master control (not the Master Mono control) to at least 50%. Capture Volume: is 0:0 should be 15:15 (line 287) In this state, the noise test audio is unchanged. This would affect sound capture using microphone though. I hope that helps. Yes, it does. It shows the immediate cause of the problem was that the PCM Playback Switch was turned off. That the Capture control was also changed is interesting. I've searched the installed activities on a development build here for references to the amixer command. The only activity that I've found it used in is Measure. Measure.activity/toolbar_side.py ... changes the Capture control. Measure.activity/audiograb.py ... changes the PCM Playback Switch. Is Measure being used? Can you reproduce the symptom on a working XO by asking for a shutdown while Measure is running? What version of Measure is being used? Version 20 of Measure attempts to restore PCM to 70 on quit. Does the symptom clear if Measure is started and then quit? ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Why not use swfdec-mozilla? (was Re: Installing Flash on the OLPC)
On Thu, 2009-01-01 at 14:16 +0530, Nirbheek Chauhan wrote:
swfdec{,-mozilla} use gstreamer, are LGPLed, and support most of the
Flash 9 features whereas gnash supports only a few of the Flash 9
features. swfdec is also the default Flash player on Fedora, and is
the preferred flash player on Ubuntu.
Quick clarification. We discussed making swfdec installed by default
during the development of Fedora 9, but decided against doing so since
we felt it wasn't quite ready for that.
Were there some specific problems with using swfdec? Or was it not
under consideration due to some factors?
I'm not sure if it was considered, but as the maintainer of swfdec in
Fedora I can state that swfdec is very cpu-intensive, and I have my
doubts whether the performance on the XO would be comparable to gnash's,
though it might be worth investigating.
Later,
/B
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Re: Why not use swfdec-mozilla?
Hi Nirbheek!
swfdec{,-mozilla} use gstreamer, are LGPLed, and support most of the
I've never really tried Swfdec before, but if it also uses Gstreamer
for decoding SWF sound (almost always encoded in MP3), we'd still end
up with the same problem as that currently experienced in getting
sound to work with Gnash on the XO.
The main problem I've had so far is getting the Gstreamer Ugly plugins
set (non-FOSS plugins, including the MP3 decoder) installed properly
on XO 8.2.0 via Yum because the Gstreamer in 8.2.0's repository is
some kind of mishmash from the older Fedora 8 version, not the one
from Fedora 9 which XO OS 8.2.0 is based on.
Because of this, installing Gstreamer plugins ugly via yum causes a
lot of complaints and it doesn't really get installed and updated
properly. (I do believe the build team didn't upgrade gstreamer
repository in 8.2.0 to the latest packages because the latest version
had problems with the XO's camera)
And since I'm rather new to Linux, recompiling Gnash with MP3 sound
running is currently beyond my ken.
It would be really cool if we could update the Gnash page with a
dummy's guide to enabling sound for Gnash if the team is strongly
committed to libre (FOSS) vs gratis (Free, but proprietary --
something I personally have no problem with as my distro of choice is
Linux Mint ;P).
Anyway, the current frustrating dillema is that it's so much easier to
just install the Adobe Flash plugin than to get sound working with
Gnash on the XO, and this is really wrong on so many levels if OLPC is
trying promote the use of Gnash as the XO OS's default flash media
player.
Btw, any chance of slipping in Gnash 0.8.4 for the next build?
Cheers!
-Naz
--
Carlos Nazareno
http://www.object404.com
--
interactive media specialist
zen graffiti studios
http://www.zengraffiti.com
--
Philippine Flash ActionScripters
http://www.phlashers.com
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Problems with Adobe Flash player on the XO.
Hi, I'm having problems: Adobe FlashPlayer doesn't detect the XO's built-in webcam so it can't transmit video out to the Internet on Flash-enabled web sites, and the Adobe Flash player on the XO freezes the popup right-click control panel. Gnash didn't work at all with a Flash-based web site we're interested in, so I went to the real FlashPlayer, latest version. I've been lurking here watching the comments on Gnash versus Flash while I tried to get my wife's XO playing nicely with a Flash-based RIA (rich internet application) site called www.vyew.com .(That's pronounced like view.) Vyew is a collaborative whiteboard application with video, voice, and text chatting features in addition to the whiteboard. By whiteboard, I mean that several users can connect to the same page and collaborate on drawing sketches and typing text on the same screen, which is visible to all of the connected people.They can also activate their camera and microphone (if they exist) to carry on two-way conversations like Skype. She wants to use this for a remote tutoring activity where she interacts with students about math problems.We tried to get Paint and Colors activities to play nicely with various Sugar emulators (LiveCD, Sugar on Ubuntu, Sugar on Windows Vista) but they all had various problems seeing (presence detection) or collaborating. So we found this web site, Vyew. The Vyew site didn't load the Flash content on the web page with Browse and Gnash, so I installed the real Adobe Flash player on the XO. We have been largely successful with Vyew and Adobe FlashPlayer on the XO. Both computers can see each other's drawings collaboratively on the same page, but we ran into one problem that relates to Flash on the XO. The XO browser can see the webcam video stream from our Dell laptop running Vyew on the Dell's Vista browsers (MS IE Firefox) and can hear the audio stream from the Dell, but I can't get Flash to activate the XO's camera.When I right-click on the Flash box in the web page, the Flash popup menu appears. I click the settings item. Adobe Flash Player control panel pops up as it should, but it is just frozen. I can't get it to flip to the other tabs to set the camera microphone permissions. In fact, the panel won't even quit when I click the Close button. Nothing gets rid of it except reloading or leaving the web page. This was while running on the XO's Browse activity. I thought that maybe Opera for the XO would do better. No luck. Opera as installed from the wiki.laptop.org/opera instructions does not even play the Flash on the Adobe web site: www.adobe.com/products/flash/about , nor any other Flash embedded in a web page. All that Opera shows is a gray rectangle where the Flash should be, no text saying to click to play the Flash. This is apparently a problem of Opera not interacting well with FlashPlayer, because the Opera plugin directories point to the very same plugin program file by symbolic linkage, so it's not a bad plugin file -- the Adobe plugin plays the Flash .swf embedded element with Browse, just not perfectly, but Opera doesn't play it at all. I submitted a comment to the Opera programmer who maintains the Opera blog about the OLPC version, but that blog has had very little activity in the past year so I'm not hopeful of any results from the Opera people.Has anyone here tried to run a recent release of Opera on the XO, not the very old version that was customized for the XO according to our wiki? For the record, here are the various versions I'm running: XO has build 767 of Sugar, the XO is one recently received from the G1G1 program through Amazon, the FlashPlayer is the one recommended on the wiki.laptop.org page: http://fpdownload.macromedia.com/get/flashplayer/current/flash-plugin-10.0.15.3-release.i386.rpm , the about Flash page reports the correct release 10,0,15,3 and so does the README in the flash-plugin folder on the XO, and uname reports that my XO's Linux version is 2.6.25-20080925.1.olpc.f10b654367d7065. Even without the 2-way video streaming, www.vyew.com is a nice application for collaboration over the Internet. Try it. Stan Sokolow ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
[Fwd: Problems with Adobe Flash player on the XO.]
Regarding my prior message, I just found this bug report at Adobe regarding camera not working with FlashPlayer on Linux, but it says that FlashPlayer 10 should resolve the problem. Apparently it didn't on the XO. https://bugs.adobe.com/jira/browse/FP-137 Stan Original Message Subject: Problems with Adobe Flash player on the XO. Date: Thu, 01 Jan 2009 14:20:38 -0800 From: Stanley Sokolow overb...@earthlink.net To: Nirbheek Chauhan nirbheek.chau...@gmail.com CC: devel@lists.laptop.org References: 8b4c83ad0901010046rc055feaw7b82db5c1de2e...@mail.gmail.com Hi, I'm having problems: Adobe FlashPlayer doesn't detect the XO's built-in webcam so it can't transmit video out to the Internet on Flash-enabled web sites, and the Adobe Flash player on the XO freezes the popup right-click control panel. Gnash didn't work at all with a Flash-based web site we're interested in, so I went to the real FlashPlayer, latest version. I've been lurking here watching the comments on Gnash versus Flash while I tried to get my wife's XO playing nicely with a Flash-based RIA (rich internet application) site called www.vyew.com .(That's pronounced like "view".) Vyew is a collaborative whiteboard application with video, voice, and text chatting features in addition to the whiteboard. By whiteboard, I mean that several users can connect to the same page and collaborate on drawing sketches and typing text on the same screen, which is visible to all of the connected people.They can also activate their camera and microphone (if they exist) to carry on two-way conversations like Skype. She wants to use this for a remote tutoring activity where she interacts with students about math problems.We tried to get Paint and Colors activities to play nicely with various Sugar emulators (LiveCD, Sugar on Ubuntu, Sugar on Windows Vista) but they all had various problems seeing (presence detection) or collaborating. So we found this web site, Vyew. The Vyew site didn't load the Flash content on the web page with Browse and Gnash, so I installed the real Adobe Flash player on the XO. We have been largely successful with Vyew and Adobe FlashPlayer on the XO. Both computers can see each other's drawings collaboratively on the same page, but we ran into one problem that relates to Flash on the XO. The XO browser can see the webcam video stream from our Dell laptop running Vyew on the Dell's Vista browsers (MS IE Firefox) and can hear the audio stream from the Dell, but I can't get Flash to activate the XO's camera.When I right-click on the Flash box in the web page, the Flash popup menu appears. I click the "settings" item. Adobe Flash Player control panel pops up as it should, but it is just frozen. I can't get it to flip to the other tabs to set the camera microphone permissions. In fact, the panel won't even quit when I click the Close button. Nothing gets rid of it except reloading or leaving the web page. This was while running on the XO's Browse activity. I thought that maybe Opera for the XO would do better. No luck. Opera as installed from the wiki.laptop.org/opera instructions does not even play the Flash on the Adobe web site: www.adobe.com/products/flash/about , nor any other Flash embedded in a web page. All that Opera shows is a gray rectangle where the Flash should be, no text saying to click to play the Flash. This is apparently a problem of Opera not interacting well with FlashPlayer, because the Opera plugin directories point to the very same plugin program file by symbolic linkage, so it's not a bad plugin file -- the Adobe plugin plays the Flash .swf embedded element with Browse, just not perfectly, but Opera doesn't play it at all. I submitted a comment to the Opera programmer who maintains the Opera blog about the OLPC version, but that blog has had very little activity in the past year so I'm not hopeful of any results from the Opera people.Has anyone here tried to run a recent release of Opera on the XO, not the very old version that was customized for the XO according to our wiki? For the record, here are the various versions I'm running: XO has build 767 of Sugar, the XO is one recently received from the G1G1 program through Amazon, the FlashPlayer is the one recommended on the wiki.laptop.org page: http://fpdownload.macromedia.com/get/flashplayer/current/flash-plugin-10.0.15.3-release.i386.rpm , the "about" Flash page reports the correct release 10,0,15,3 and so does the README in the flash-plugin folder on the XO, and uname reports that my XO's Linux version is 2.6.25-20080925.1.olpc.f10b654367d7065. Even without the 2-way video streaming, www.vyew.com is a nice application for collaboration over the Internet. Try it. Stan Sokolow
UDP broadcast from an XO
Hi, I have an activity which broadcasts messages over UDP to all the systems connected to the network. I ran into a problem while testing it out on the XO. The messages broadcasted are received by other XO's if both of them are connected to a common WiFi router. But when they are connected to the router teh messages are not received by my activity on the other XO. Although the other XO is visible to my XO( in the neighbourhood view) the UDP messages broadcast from my XO are not received by the other XO when they are nto connected through a common router. Will UDP messages be broadcast from one XO node to another. What else may the cause be for the UDP messages not being picked up by the other XO? Thanks jbsp72 ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: UDP broadcast from an XO
Visibility in Neighbourhood View is determined by access from the XO to the Jabber server. The Jabber server does not relay these UDP packets for you. Therefore visibility is not an indicator of ability to operate over UDP. A wireless router will relay the UDP packets. The relay is being done by the router itself, and so any XO not associated with the router may not receive the UDP packets unless the packets are forwarded by the router to whatever router the other XO is associated with. Can you show me one of these UDP packets? -- James Cameronmailto:qu...@us.netrek.org http://quozl.netrek.org/ ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: UDP broadcast from an XO
On Fri, 2 Jan 2009, qu...@laptop.org wrote: Visibility in Neighbourhood View is determined by access from the XO to the Jabber server. The Jabber server does not relay these UDP packets for you. Therefore visibility is not an indicator of ability to operate over UDP. A wireless router will relay the UDP packets. The relay is being done by the router itself, and so any XO not associated with the router may not receive the UDP packets unless the packets are forwarded by the router to whatever router the other XO is associated with. Can you show me one of these UDP packets? remember that broadcast packets don't generally go through routers (they go through bridges, but not routers) so if the two XO's are on different subnets, broadcasts won't be seen by the other one. David Lang ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Why not use swfdec-mozilla? (was Re: Installing Flash on the OLPC)
swfdec{,-mozilla} use gstreamer, are LGPLed, and support most of the
Flash 9 features whereas gnash supports only a few of the Flash 9
features. swfdec is also the default Flash player on Fedora, and is
the preferred flash player on Ubuntu.
Quick clarification. We discussed making swfdec installed by default
during the development of Fedora 9, but decided against doing so since
we felt it wasn't quite ready for that.
Were there some specific problems with using swfdec? Or was it not
under consideration due to some factors?
I'm not sure if it was considered, but as the maintainer of swfdec in
Fedora I can state that swfdec is very cpu-intensive, and I have my
doubts whether the performance on the XO would be comparable to gnash's,
though it might be worth investigating.
I've found it very cpu intensive on Fedora 9 and 10 with a penryn dual
core processor. It basically pins one of the cores to 100% CPU but if
I download the video by saving it from the properties box within the
plugin I don't see that issue using the swfdec-gnome player so there's
probably some low hanging fruit within the actual plugin that might be
able to improve the problem easily for someone that knows where to
look.
Peter
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Re: [Server-devel] XS 0.5.1-dev03 with ejabberd goodness, kernel bling, Access Point workingness... looking for xmas testers
Hi Rueben, Hope you had a nice time over Christmas and new Year! Sorry to bring this down to earth again...but life goes on.. J I have reinstalled a fresh install. On starting, the server now shows OLPC School Server release 9-0.5 Kernel 2.6.27.7-53.fc9.i686 on an i686 (tty1) Everything done exactly as below. The XS has been configured and Online roster created, server restarted. eJabberd running. The XOs have been de-registered and rebooted, and then registered, and rebooted. This is what happens when they have started up: (1)All four XOs are connected (2)All have been registered - i.e. it told me registration successful (3)olpc-netstatus shows that all are running Telepathy type gabble, but the numbers of XOs shown varies from 3 to 5 on the XOs and the corresponding incomplete population on the neighbourhood screen. The school server is correctly shown, and config is shown as school mesh on all four. (4)Check - ejabberd running OK (5)After a period of 30 mins, no change. I shut down 3 XOs and check Web admin - it shows all four XOs registered. (6)I reboot everything inc server. After allowing a few minutes, I check: ejabberd is running, all four XOs are connected, olpc-netstatus shows them all running Telepathy gabble, school mesh, but XO = 2 (i.e. server and XO). Neighbourhood screen remains unpopulated, even after 10 minutes. (7)Video chat starts up OK but you don't see any other XOs initially. However, after 5 minutes some of the other XOs do start to appear on Video Chat - even though they are not shown in the network view, and it is not reliable or symmetric - i.e. XO-1 might see XO-2 but not vice versa. This might be an important clue or symptom of what is happening The work around is as before: (1)Shut down all but one XO, log on to ejabberd Web Admin and delete all users, reboot everything. (2)Start everything up and it works fine (as you can see on Youtube), but only for that session - I have to do this procedure each time to get it working.. and even then you can't be sure of 100% collaboration between the four XOs The identical equipment all works fine with XS-0.4 David Leeming Technical Advisor, People First Network, Honiara, Solomon Islands Alternative email address: leemingda...@yahoo.com.au From: Reuben Caron [mailto:caron.reu...@gmail.com] On Behalf Of Reuben K. Caron Sent: Wednesday, 31 December 2008 3:30 a.m. To: David Leeming Cc: 'XS Devel'; 'Martin Langhoff' Subject: Re: [Server-devel] XS 0.5.1-dev03 with ejabberd goodness, kernel bling, Access Point workingness... looking for xmas testers David, Thank you for the information. Can you attempt to perform a clean install again with edits in line below. David Leeming wrote: Hi Reuben - Installed 0.5 Nov 19th download on Toshiba notebook computer with black box prototype AA (USB) - Fresh install (overwriting not upgrading the previously fully working 0.4 installation - Set location Guadalcanal, use local time (I did not change this in my tests; I doubt this has any effect but want to note I left this at the default setting) - No optional application selected - Install.. restart - /etc/sysconfig/olpc-scripts/domain_config oceania.org After running domain_config Then edit the file /etc/sysconfig/network and set hostname to schoolserver.oceania.org (nano /etc/sysconfig/network) Then restart (shutdown -r now) - chkconfig --level 345 ejabberd on - service ejabberd start Wait a few minutes for ejabberd to completely startup. You can check it's status by running: service ejabberd status - ejabberdctl register admin schoolserver.oceania.org admin With a fresh install of 0.5.1 dev 3 you don't need the following from here -- - restart - yum --enablerepo=olpcxs-testing update - restart to here -- - One one of 4 XOs, log onto ejabberd web admin and set up shared roster Online - restart - start all four XOs and register, then restart On the XOs are registering from a fresh OS install, 8.2? If the XOs have been previously registered; you will need to clean out their registration by removing the server fields in /home/olpc/.sugar/default/config. After removing these fields; restart the XOs Then connect the XOs to the appropriate SSID or AA. Then register the XO. Then restart the XO. I hope this helps. Please let us know. At this stage I cannot see any other XO, and still had to do the work around of removing all four users from the ejabberd webadmin and restarting everything before I could see them in the neighbourhood views. (as advised by Martin): (Martin wrote...) To avoid re-installing the XS to re-test the just registered scenario you can - go with a webbrowser to the ejabberd admin panel, go into the 'schoolserver'
