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• How to test 3d acceleration?

  - by HappyDeveloper

  I want to install and test 3d acceleration in Ubuntu 12. I have read these pages: https://help.ubuntu.com/community/RadeonDriver https://wiki.ubuntu.com/X/Troubleshooting/VideoDriverDetection?action=show&redirect=X%2FTroubleshooting%2FFglrxInteferesWithRadeonDriver#Problem:_Need_to_purge_-fglrx I think I have installed it correctly, but I don't know how to test it. I tried to play minecraft in the browser, but I got a black screen. It may be a java problem too, so I need to troubleshoot. So how can I test my video card and drivers?

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• For some reason I can't get ATI FGLRX Drivers to support 3D acceleration on Ubuntu 12.04

  - by HungryMan

  I have an ATI 5650m and I've had 0 issues with 3D Acceleration in the past. I had to reinstall Ubuntu entirely, and now with the 12.6 drivers I get - One or more tools required for installation cannot be found on the system I can't seem to solve this issue. I installed the FGLRX drivers through the "alternate command line" guide on the Ubuntu Wiki including the instructions for getting 3D support. They seem to install but I get an error with vainfo libva: VA-API version 0.32.0 Xlib: extension "XFree86-DRI" missing on display ":0.0". libva: va_getDriverName() returns 0 libva: Trying to open /usr/lib/x86_64-linux-gnu/dri/fglrx_drv_video.so libva error: /usr/lib/x86_64-linux-gnu/dri/fglrx_drv_video.so init failed libva: va_openDriver() returns -1 vaInitialize failed with error code -1 (unknown libva error),exit I have tried help here: http://ubuntuforums.org/showthread.php?t=2014440 It's a bit frustrating as I can do basically nothing without 3D support. I can't use super + direction or super + w or even configure the Unity bar to be 32px. If anyone could help I'd appreciate that.

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• Live video streaming: Microsoft or Adobe ?

  - by Kedare

  Hello, I am looking for a Live Video Streaming solution, The clients will be able to watch the video with a plugin (Flash or Silverlight), or a Standalone application (Windows Media Player, FLV, etc). But I can't choose between Microsoft Solution (Windows Media Server (MMS, RTSP) + Silverlight as client) or the Adobe solution (Flash Media Server (RTMP) + Flash/Flex). The streaming is for short duration cast and will not be online 24/24h. I tried both, and I found the cheaper version of FMS don't provide security to prevent users to register as published (You have to write custom module...), the Windows Media Server provide this function. We already have Windows Server licences. (So Windows Media Server will be "Free") What do you recommend ? What is the best between Flash or Silverlight for Live Video Streaming ? Thank you !

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• Split section of video with ffmpeg

  - by Rob

  I've been trying to get this to work and I'm really close, but something still isn't right. I have a 14 second clip I'm trying to cut out of a longer mp4 video. I got the video to cut to the right place with this command: ffmpeg -ss 00:05:13.0 -i ~/videos/trim_me.mp4 -vcodec h264 -acodec copy -t 00:00:14.0 ~/videos/trimmed.mp4 If I didn't specify -vcodec it was starting from an "I-Frame" (I guess) and wasn't the right place. The audio is starting from that spot as well, so I tried setting -acodec the same way: ffmpeg -ss 00:05:13.0 -i ~/videos/trim_me.mp4 -vcodec h264 -acodec aac -ac 2 -ab 225k -ar 48000 -strict -2 -t 00:00:14.0 ~/videos/trimmed.mp4 Which doesn't really help much. Setting -async 1 makes it take longer, and then the audio does match up, but not until 4 seconds into the video. :/ I'd ideally not like to install anything else and have a commandline solution for this.

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• Embedded video is not shown in internet explorer 9 RC or Beta

  - by Jagannath

  In IE 9 RC or in beta, the embedded video is not shown in the web page. I verified the security settings in "internet options". Did not find any issue. Please find the screen shot below. I am able to view the flash videos in Youtube. But, for some reason, in some sites the embedded video is not shown. I don't have this issue with firefox. UPDATE: I am able to see view the embedded video in Admin account. But not able to view it in Standard account.

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• Photo/Video gallery for Ubuntu web server

  - by Andrew

  I'm trying to have a gallery that can display images as well as videos for visitors to my web server. I'm running Ubuntu 12.10, and have Apache installed. All my images and videos are in /var/www/media. I've taken a look at bbgallery, which is simple enough for me, but I don't think it supports video. I've also looked at Single File PHP Gallery, but it doesn't support video. Does anyone know of a gallery that supports video as well, which I can use for my web server? EDIT: I do not have a database.

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• video streaming infrastructure advice

  - by Alchemical

  We would like to set-up a live video-chat web site and are looking for basic recomendations for software and hardware set-up. Most streams will be broadcast live from a single person with a web cam, etc., and viewed by typically 1-10 people, although there could be up to 100+ viewers on the high side. Audio and video do not have to be super-high quality, but do need to be "good enough". The main point is to convey the basic info in the video (and audio). If occasionally the frame-rate drops low and then goes back to normal fairly soon, we could live with that. Budget is an issue, so we are in general looking for a lower cost solution that will give us most of what we need in temers of performance and quality. We are looking at Peer1 for co-lo. The rest of our web site will be .Net / Windows platform. We are open to looking at any platform for the best streaming solution, although our technical expertise is currently more on the Windows side.

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• General video performance affected on Mac OSX 10.5 (PowerBook G4)

  - by r0ca

  Hi all, I'm quite new to Mac and I just got a PowerBook G4 for free. I installed OSX 10.5 on it and for the first two weeks, everything was going kinda smooth even if this is similar to a P3. I'm not expecting awsome video performance but at least be able to watch some videos from Youtube. Yesterday night, I installed Office 2008 for mac and this morning, even after a reboot, my computer is way much slower that I used to know. I watched a youtube video and the framerate was 1:1. I also noticed it on flash adds, it's way slower! Is there anything that I can do to increase video performance, see what's the process list running and taking more GPU or CPU, what's taking more ram and stuff like that?! What do you guys, Mac pros, would do on an old laptop with OSX 10.5 Thanks!

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• Local Live Quicktime Video Broadcast, latency?

  - by Snowwire

  I'm looking into the feasibility of using a local server to distribute live video of a conference to delegates in the same room. They would still hear the live audio coming from the speaker, so only the video would be streamed. I was considering a Darwin Steaming Server (a lot of iPhone users to support) and encoding with H.264. My main concern is latency across the network. Even with everything running locally, would there be lip sync issues between the live audio and the 'live' video stream? It feels like there will be problems given the encoding, broadcasting, decoding to be completed, but I've never done any like this before so thought I would check. Thanks

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• Corporate IM with video that actually works, suggestions?

  - by Erik P. Skaalerud

  Hi. Does anyone here have a suggestion for a cross-platform IM solution wich will work with voip/video on both Windows (XP and 7) and Mac OS X from 10.4 and upwards? Right now were in a kind of mixed enviroment, with some Mac users using iChat server since they need video support (conference across several offices over VPN), but it wont't work on windows clients. The rest of us are happily using Openfire+Spark, but there's no VoIP or video avaible from what i've found, unless you want to add in several 3rd party software (like red5 and asterisk). Requirements: As said before; must work on both Windows and Mac Internal server (no Skype etc) File transfer between platforms SSO (Single Sign-On) via Active Directory authentication Some sort of screen sharing would be a plus, like switching over to a screen capture (powerpoint, software training etc) We can afford to buy software if that's needed to get this working without any hiccups across platforms. Pre-thanks to anyone who gives suggestions.

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• Looking for an easier Skype video chat alternative

  - by Paul

  Is there any software 'easier to use' than Skype - ie to get a video conversation going you have to turn on the computer, make sure the speakers are turned on, make sure the web cam is connected, make sure you click answer with Video... I would like to buy a 'single red button' which does all of the above. - Any recommendations? Update @Eric Koslow comment My original question title was "Is there any software/hardware 'easier to use' than Skype?" So the answer is not necessarily a computer running a program, although it might be. I realise Skype makes a good attempt at helping to ensure speakers and web cam are working and helps you to sort them out if they are not, and for a person who isnt computer phobic this should be enough. However I am interested if there is anything available that is 'easier' than this - ie I'm looking for my 'single' red button. ie the mobile phone with video call maybe the closest answer so far, but I would prefer something as 'free' as Skype is.

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• what the best simple video editing program? [closed]

  - by Itay

  Possible Duplicate: What is the easiest video editing program to use on Windows hi, i want to edit videos, i'm looking for a good, premiere like software. but it seems premiere it self is too much for me... frankly i can see how those settings can be helpful for any one.. but it doesn't matter. i've just imported an HD video from my new camera (CS4), first, it cut most of the video, and second, it actually made the quality worse... i've tried a few free, programs, but as soon as i've seen the GUI of those, i closed them... i really like premier, but i honestly don't understand who needs all this PAL/DV stuff... is there any similar application that intend to more intermediate users? tahnks.

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• A "region code" restriction for a custom created video dvd file

  - by user180820

  I want to create a video dvd ( no menus, just "plug and play" ) from a few video files. I`m doing it like this: ffmpeg -i sample-media/hellboy-2.wmv -y -target ntsc-dvd sample-media-to-mpeg/hellboy-2.vob dvdauthor -o sample-dvd -x dvdauthor-settings.xml mkisofs -dvd-video -o hellboy-2-trailers.iso sample-dvd/ where "dvdauthor-settings.xml" is: link. But when I try to play the iso file in windows it says: Windows Media Player cannot play the DVD because the disc prohibits playback in your region of the world. You must obtain a disc that is intended for your geographic region. When I open the *.IFO file with IfoEdit it says that all world regions are unabled. Can someone tell me why is this happening? ( maybe the whole process of creating the *.iso file is wrong? )

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• Streaming video in Virtualbox jumpy

  - by Kevin

  I am trying to get Netflix to work on my Ubuntu netbook. I know it will not run in Linux so I am trying it in my Win XP virtual machine. It streams the video but the sound and video are out of sync and the video often freezes and jumps. I have tried Firefox, Chrome, and even IE. I am thinking my Atom N455 processor does not work well with virtualization. All other apps in the VM work fine. The only issue is streaming [YouTube is jumpy too].Does anyone know of Virtualbox settings I can try to possibly fix this issue or am I out of luck?

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• Changing video resolution with Handbrake - anamorphic and modulus parameter

  - by MarAja

  I would like to convert a video in 16:9 format (1920*1080) to a 4:3 format (640*480) with Handbrake. Can anyone explain me what are anamorphic and modulus parameters? I tried to set modulus to 2 or 16 on a video but I can't really see the difference between both videos. I would also know if there are different algorithms to change a video resolution and if I am doing it in the right way. Bonus question: What are PAR width and height? They are set by default to 1, should I change them?

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• Transferring videos from Sony Video Camera to PC via USB connection

  - by Mehper C. Palavuzlar

  I have a Sony video camera (DCR-TRV340e) and loads of video tapes that I like to transfer to my PC. The camera has USB connection and I've loaded its driver with no problems. Which video software do you recommend me to use? I want to have my videos in XviD format with maximum 1 GB for a 1 hour film. How much time does it take to do that for a 1 hour film? Should I use USB connection or another type of connection? Detailed information about connection and software settings would be highly appreciated.

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• Video codec that can be read on clean installs of either Windows, OS X and Ubuntu

  - by fmercille

  I have to make a video that will need to be watched on different operating systems. Is there a "universal" video codec that can be played on Windows, OS X and Linux without requiring additional plugins or player other than those that comes on a default clean install of each of those systems? Compression is not an issue, I'm merely looking for compatibility (e.g. for audio, I would use WAV as a universal codec). Note : I must assume that the video will be distributed in countries where software patents are enforced, and therefore can't rely on the user to install non-free codecs on Linux. Thanks.

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• Very simple video editor.

  - by Jonathan

  Hi First of all, I must to say that I don't know anything about video editing. I'm a total noob in this field. I need to make a screencast. Actually, I have made the desktop recording and I have some shorts videos in mp4 format to work with it. Thats what I need: Cut some fragments of the videos Join the selected portions into a big video Make some transicions in the cutting points (A simple fade will do the job) Put some text in the bottom of the videos during a few seconds making explanations Adding fragments of sound from a mp3/wav record Thats all... Which "very simple" video editor could I use? Thanks!

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• Safari 4.0.5 will not play any HTML5 (H.264) video

  - by user34407

  The html5test.com tells me that my browser does not support the <video> element, and when I try example page, I get the fallback message, usually "Your browser does not support HTML5 video." I know this should work in Safari. I am on Windows 7, 64-bit (running 32-bit Safari). Video works in Safari for everyone else in the office. (Windows 7 setup exactly like mine, Vista, OSX.) I have tries uninstalling, deleting all user preferences, and reinstalling. Anything else I should try?

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• Some html5 video content will not play in Chrome - except in Private Browsing Mode

  - by oligofren

  I have had this problem for a couple of years, probably due to the fact that all my settings get transferred when I log into Chrome: Most videos on the net play fine using Chrome, but on certain site none of the videos will play. This is not due to wrong codecs or something, because opening the same video using Chrome's Private Browsing Mode will play it just fine. Since most (all?) extensions are disabled when using Private Browsing Mode, I guessed the problem had to be found in my extensions, so I disabled all and also disabled developer mode. The problem persisted ... Example html5 video from the W3C plays fine This video from Pecha Kucha does not

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• Alternatives to y4mstabilizer; deshaking video

  - by Vi

  "Deshaking" means fixing the video captured from camera hold in hands. Is there open source video deshaker apart from y4mstabilizer from mjpegtools? Patch for mencoder is preferred. My current command line for processing video looks like: mplayer video_from_camera.avi -nosound -vo yuv4mpeg:file=/dev/stdout -really-quiet | y4mstabilizer -n -a 0.8 -r 30 -s 100 | mplayer -cache 1000 /dev/stdin -noconsolecontrols -vf crop=500:380:70:50,denoise3d=3:3:5:5 -vo yuv4mpeg:file=temporary.yuv y4mstabilizer is itself very unstable and often crashes (and it didn't work at all until I have patched memory allocation in it).

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• youtube video playing without sound when downloaded?

  - by On a serious note

  I have been looking for this since a long long time. I have downloaded a few videos from you-tube using IDM(all mp4). When I opened the video in VLC media player,a black screen appeared and started flickering.The video just does not start. What all I things I did-: updated my VLC Reinstalled my VLC downloaded another media player(wondershare--very very beautiful i must say).It played the video but audio was missing. converted mp4 to flv and then played in both players,still no sound. Its very frustrating as I want to complete my tutorial series asap.FLV works well,but mp4s fall flat. What should I do?

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• HTML5 video (mp4 and ogv) problems in Safari and Firefox - but Chrome is all good

  - by qryss

  Hi folks, I have the following code: <video width="640" height="360" controls id="video-player" poster="/movies/poster.png"> <source src="/movies/640x360.m4v" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'> <source src="/movies/640x360.ogv" type='video/ogg; codecs="theora, vorbis"'> </video> I'm using Rails (Mongrel in development and Mongrel+Apache in production). Chrome (Mac and Win) can play either file (tested by one then the other source tags) whether locally or from my production servers. Safari (Mac and Win) can play the mp4 file fine locally but not from production. Firefox 3.6 won't play the video in either OS. I just get a grey cross in the middle of the video player area. I've made sure that both Mongrel and Apache in each case have the right MIME types set. From Chrome's results I know there is nothing inherently wrong with my video files or the way the files are being asked for or delivered. Anyone got any clues? Or even a clue as to how to diagnose the problem? For Firefox I looked at https://developer.mozilla.org/En/Using_audio_and_video_in_Firefox where it refers to an 'error' event and an 'error' attribute. It seems the 'error' event is thrown pretty well straightaway and at that time there is no error attribute. Very helpful... :( Help enormously appreciated! Thanks in advance... Chris

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• ATI Catalyst driver 12.8 is not using hardware acceleration on Precise

  - by Jack Wright

  I've been using Ubuntu and ATI Catalyst for years. On my clean install of Ubuntu 12.04 I've noticed that Catalyst 12.6 and then 12.8 are not actually using my HD5750 GPU for hardware acceleration - high CPU usage, zero GPU load. Everything installed correctly with no hassles, fglrxinfo and vainfo are correct as per this HowTo for Precise. I have an Ubuntu 10.04 with Catalyst 12.6 installation on the same hardware which does use the GPU - low CPU usage, high GPU load when transcodeing video files or playing video content. The VA-API drivers are not installed on the 10.04 build. They are not mentioned in this HowTo for Lucid. fgl_glxgears frame rates on Precise are a fifth of the rates on Lucid. LUCID jw@Kworld:~$ fgl_glxgears Using GLX_SGIX_pbuffer 16867 frames in 5.0 seconds = 3373.400 FPS 12523 frames in 5.0 seconds = 2504.600 FPS 13763 frames in 5.0 seconds = 2752.600 FPS PRECISE jw@NewWorld12:~$ fgl_glxgears Using GLX_SGIX_pbuffer 12905 frames in 5.0 seconds = 2581.000 FPS 3230 frames in 5.0 seconds = 646.000 FPS 517 frames in 5.0 seconds = 103.400 FPS 518 frames in 5.0 seconds = 103.600 FPS 6489 frames in 5.0 seconds = 1297.800 FPS This is glxgears running in fullscreen. In Lucid (10.04) I can't see the gears, they are spinning so fast, but in Precise (12.04) they are really sluggish. Has anyone else noticed a problem like this? Cheers, Jack.

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• How can you buffer two online videos alternately while playing one of them?

  - by Rajats1234

  On my website, I want my user to be able to launch video 2 at any point in the middle of video 1 without waiting or refreshing the window. How can I buffer the two videos such that I buffer video 1 enough to let it start playing, and then buffer just enough of video 2 that if the user launches it at any point, he does not have to wait to view its first few seconds, and then I can come back and buffer the rest of video 1? If this is not possible, I could also look at buffering video 1 and 2 in parallel while playing only video 1. Thanks!

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