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• ffdshow h.264 audio desync

  - by Core Xii

  When I encode video with ffdshow with h.264, the audio is out of sync. At the very beginning of the video, the picture freezes for about 1 second, while the audio plays fine, resulting in the audio being that 1 second ahead of the picture throughout the entire video. Any ideas on possible causes or, obviously, solutions?

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• How can I convert and repair MPEG-TS (DVB-S captures) for better playback?

  - by SofaKng

  I have a lot of MPEG-TS video files (H.264 video with AC3 or MP3 in a .TS container) captured from a DVB-S capture card. When I play these videos it's much slower to seek in the video (ie. skip 30 seconds, etc) than with other files. I'm not sure if the problem is the H.264 encoding (reference frame count?) or the MPEG-TS container, or if the MPEG-TS file contains sync errors, etc. Does anybody have a good workflow for converting and repairing these files?

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• Burn .srt subtitles to AVC encoded video (transcoding with hardsubs) [closed]

  - by Saxtus

  Possible Duplicate: How do I hard code a movie with subtitles? I am looking for a software (or combination of software) that will allow me to hard burn subtitles from an .srt file, that has italics and bold typefaces, to an H.264/AVC encoded video so it can played from a desktop player that can't display external subtitles correctly. Ideally it could use Directshow as input as DirectVobSub makes nice job showing the subtitles as they should (allowing me to globally adjust font and size). CUDA use, to speed up encoding, will be great but not necessary. Video source is also H.264/AVC encoded. Audio is AC-3 5.1 and should be retained too but I have no problem re-muxin it later as long as it keeps synced. Until now I've unsuccessfully tested: Avisynth 2.58 Unable to make Direcvobsub to launch through it TextSub() command renders subtitles with fixed font/size and doesn't decode tags Malformed audio TMPGEnc 4.0 XPress 4.7.4.299 Audio downmixed to 2.0 Importing of subtitles doesn't decode tags Badaboom 1.2.1.7 No importing of subtitles at all SUPER © 2010.build.37 "Directshow decode" has similar effect as Avisynth above Other modes doesn't appear to allow any subtitles in Thank you.

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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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• Le H.264 est de retour sur Chrome, qui pourra lire les vidéos dans ce format grâce à une extension de Microsoft

  Le H.264 est de retour sur Chrome, qui pourra lire les vidéos dans ce format grâce à une extension de Microsoft Mise à jour du 03.02.2011 par Katleen Il y a un petit peu moins d'un mois, Google annonçait la fin du support du codec H.264 par son navigateur Chrome, ce qui en enchantait certains et en gênait d'autres. Aujourd'hui, une alternative est possible, grâce à Microsoft (qui s'était déjà occupé du problème sous Firefox). L'éditeur de Redmond vient ainsi de dévoiler son "Windows Media Player HTML5 Extension for Chrome", qui, comme son nom l'indique, est une extension pour Chrome qui permettra la lecture de vidéos au format H.264 par les utilisateurs du navigateur d...

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• Chrome ne supportera plus le H.264, Google ne veut soutenir que « des technologies et des codecs complètement ouverts »

  Chrome ne supportera plus le H.264 Google ne veut soutenir que « des technologies et des codecs complètement ouverts » Le billet de Google s'intitule « HTML Video Codec Support in Chrome ». Mais il aurait aussi bien pu s'appeler « pourquoi nous abandonnons le H.264 ». Chrome prend donc le même chemin que Firefox et ne supportera plus ? en natif tout du moins ? le codec vidéo soutenu par Apple. Motif invoqué : le H.264 est fermé et propriétaire. « Nous supportons WebM (VP8) et Theora, et nous envisageons d'ajouter à l'avenir le support d'autres codecs ouvertes et de qualité », écrit Mike Jazayeri, Product Manager chez Google. « Bien que...

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• Converting video for Android using Adobe Media Encoder

  - by JB

  I'm trying to convert some video to H.264 and play it on my Android mobile phone. I have Adobe Media Encoder and can easily create files that play on my PC but when I copy them to the phone the media player app just complains that it can't play them. Are there some particular settings I need to use in the encoder?

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• A classic StackOverflow : Java Swing

  - by ModernTalking

  Greetings everyone! I programmed GUI Application using Java Swing under Windows. Under windows everything works well. Now I am trying it under Linux (using distribution Linux Mint 7). I am getting and nasty StackOverflowException, when I call frame's dispose method! The problematic frame is JDialog component. Here is some output : edited, full output run: Exception in thread "AWT-EventQueue-0" java.lang.StackOverflowError at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:261) at java.beans.Statement.invoke(Statement.java:231) at java.beans.Expression.getValue(Expression.java:115) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:227) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.java:116) at java.beans.Encoder.writeObject(Encoder.java:74) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:274) at java.beans.Encoder.writeExpression(Encoder.java:304) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:389) at java.beans.DefaultPersistenceDelegate.doProperty(DefaultPersistenceDelegate.java:229) at java.beans.DefaultPersistenceDelegate.initBean(DefaultPersistenceDelegate.java:264) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersistenceDelegate.java:408) at java.beans.Persistenc

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• How can I record and save flash video's with an H264 codec

  - by JimHendriks

  Right now I am working on an AIR 3.2 application which lets you stream a video to a Flash Media Server and saves it on a hard drive. This sequence works fine with the standard Sorenson codec but I want to use H.264 for my videos. I found lots example c ode and implemented it in my code, but when I record a video of myself I am unable to re-watch it afterwards. I found how to implement a H.264 encoding in a realeyes blog post here. My code is here. It saves the video as a .f4v file, but my browser (I've tried the latest versions of both Chrome and Firefox, with the latest Flash) and also VLC are unable to load the video. I also used a program called Movie Player which is able to open the file but can only show the first frame and the audio. Neither am I able to upload the video to YouTube because they do not support the file extension. Here is an example video file it saved: H264Test1.f4v. My question is: How do I stream and save the movie with a file extension that I am able to re-watch while using the H.264 codec?

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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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• Convert video files for Maemo (Nokia N900) using ffmpeg/mencoder

  - by Vikrant Chaudhary

  I'm a newbie in video encoding so I'm looking for some expert advice. I'm looking to transcode media files with ffmpeg or mencoder (or something other) on Ubuntu for my Nokia N900 running Maemo. I'd prefer mencoder, because of ffmpeg's crazy dependencies. Video output should be AVC/H.264 (probably hardware accelerated on device). Audio output in AAC (should have preferred Vorbis but not supported natively and requires .mkv which is also not completely supported). Output video should retain the original aspect ratio. Resolution of screen is 800x480 (16:10). (Explanation of why-this-value-is-chosen would be really appreciated). Thanks.

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• Is there any way to distribute x264 encoding jobs across multiple computers (to increase the encodin

  - by Breakthrough

  Does anyone know of a current, active solution to encoding x264 videos across many computers (via the network) to increase encoding FPS? I heard in the past of the project x264farm; unfortunately, it is not actively developed anymore, and isn't compatible with newer x264 builds. I'm looking for a current solution, which is compatible with newer builds of x264. Just to note this, I'm a Windows user, so I'm only looking for Windows solutions (or at the very least, Linux). I've also seen the ELDER distributed encoder, but the quality varies depending on the settings you use - I'd prefer a solution similar to x264farm as noted above (the documentation outlines the encoding process), but one that is compatible with new(er) x264 builds, and is preferably actively developed. Final Edit: Unfortunately, the bounty for this question has expired, and I haven't found a decent solution for this. So if at any time someone finds a new, distributed encoding solution for x264 (or any h.264 coded, for that matter) - please answer this question! I'd love to discover an ideal method to make this work!

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• What is this video format, and how do I convert It

  - by OrangeRind

  Description I have a big (7.4G) .mkv file (1080p) which I want to convert to H.264 (using x264) Problem MediaCoder and GSpot are unable to detect the codec. They don't display anything. Just that the file is a matroska Container Video with a MIMEtype of video/x-matroska. No bitrate, profile etc. But the source tells me that is VC-1 encoded. Question So how do I encode this file. as in, using what encoding software, since MediaCoder has failed.

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• Time of splitting and encoding video with ffmpeg increases exponentially

  - by Rnd_d

  I'm trying to split video by subtitles and encode into .mp4(h.264/aac) using ffmpeg, but it takes so much time! First pieces of video are splited and encoded really fast, but for each iteration time increases, and so 40 min video takes all night or more. Small 3 min video takes max 10 mins. cmd for splitting and encoding: ffmpeg -i filename.avi -ss 00:00:0(time of sub start) -t 0:0:3(time of sub duration) -acodec libfaac -vcodec libx264 -bf 0 -f mp4 filename.mp4 ffmpeg version N-34849-g07c7ffc (last, i think) How I can make it faster? Are there, maybe, some magic arguments for ffmpeg or some hacks?

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• Un Web évangéliste de Microsoft critique avec humour la fin du support du H.264 dans Chrome et compare WebM à l'Espéranto

  Un Web évangéliste de Microsoft critique avec humour la fin du support du H.264 dans Chrome Et compare WebM à l'Espéranto Mise à jour du 13/01/11 Tim Sneath, « Windows et Web évangéliste » officiel pour Microsoft, a choisi l'humour pour critiquer la décision de Google d'abandonner le support du H.264 dans les futurs versions de Chrome. Google a motivé sa décision en indiquant qu'il souhaitait se concentrer uniquement sur les technologies ouvertes, et notamment WebM et Theora, deux codecs également soutenus par Mozilla et Opera (lire ci-avant). Tim Sneath, qui s'exprime en son nom propre, parodie cette argumentation en reprenant...

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• Implications of Cisco open-sourcing H.264? [on hold]

  - by Suman

  Cisco has announced that it will license and open-source the H.264 video codec. As a result of this, Firefox will be embedding H.264 playback functionality in future versions of Firefox. What implications, if any, will this have for programmers building software and/or hardware dealing with video (and WebRTC in particular)? (And if programmers.SE isn't the right forum, please feel free to suggest a better option.)

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• Microsoft apporte le support du H.264 à Firefox avec une extension qui permet de gérer le codec propriétaire concurrent du WebM

  Microsoft publie une extension pour Firefox Qui permet le support de la vidéo H.264 Microsoft confirme une fois de plus son soutien au nouveau standard du web le HTML5. Après le support de la norme dans son future navigateur Internet Explorer 9 et son moteur de recherche Bing, la firme de Redmond vient de publier une extension en rapport avec ce standard pour... FireFox. Cette extension permettant aux utilisateurs de Firefox sur Windows 7 de regarder des vidéos au format H.264, un codec p...

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• Failed to convert a wmv file to mp4 with ffmpeg

  - by Olaf Erlandsen

  i need a help with this command FFMPEG COMMAND: ffmpeg -y -i /input.wmv -vcodec libx264 -acodec libfaac -ac 2 -bufsize 20M -sameq -f mp4 /output.mp4 Output: ffmpeg version 1.0 Copyright (c) 2000-2012 the FFmpeg developers built on Oct 9 2012 07:04:08 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4) [wmv3 @ 0x16a4800] Extra data: 8 bits left, value: 0 Guessed Channel Layout for Input Stream #0.0 : stereo Input #0, asf, from '/input.wmv': Metadata: WMFSDKVersion : 11.0.5721.5275 WMFSDKNeeded : 0.0.0.0000 IsVBR : 0 Duration: 00:01:35.10, start: 0.000000, bitrate: 496 kb/s Stream #0:0(spa): Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, stereo, s16, 64 kb/s Stream #0:1(spa): Video: wmv3 (Main) (WMV3 / 0x33564D57), yuv420p, 320x240, 425 kb/s, SAR 1:1 DAR 4:3, 29.97 tbr, 1k tbn, 1k tbc [libx264 @ 0x16c3000] VBV bufsize set but maxrate unspecified, ignored [libx264 @ 0x16c3000] using SAR=1/1 [libx264 @ 0x16c3000] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 [libx264 @ 0x16c3000] profile High, level 1.3 [libx264 @ 0x16c3000] 264 - core 128 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 [wmv3 @ 0x16a4800] Extra data: 8 bits left, value: 0 Output #0, mp4, to '/output.mp4': Metadata: WMFSDKVersion : 11.0.5721.5275 WMFSDKNeeded : 0.0.0.0000 IsVBR : 0 encoder : Lavf54.29.104 Stream #0:0(spa): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=-1--1, 30k tbn, 29.97 tbc Stream #0:1(spa): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s Stream mapping: Stream #0:1 -> #0:0 (wmv3 -> libx264) Stream #0:0 -> #0:1 (wmav2 -> libfaac) Press [q] to stop, [?] for help [libfaac @ 0x16b3600] Que input is backward in time [mp4 @ 0x16bb3a0] st:0 PTS: 6174 DTS: 6174 < 7169 invalid, clipping frame= 144 fps=0.0 q=29.0 size= 207kB time=00:00:03.38 bitrate= 500.3kbits/s frame= 259 fps=257 q=29.0 size= 447kB time=00:00:07.30 bitrate= 501.3kbits/s frame= 375 fps=248 q=29.0 size= 668kB time=00:00:11.01 bitrate= 496.5kbits/s frame= 487 fps=241 q=29.0 size= 836kB time=00:00:14.85 bitrate= 460.7kbits/s frame= 605 fps=240 q=29.0 size= 1080kB time=00:00:18.92 bitrate= 467.4kbits/s frame= 719 fps=238 q=29.0 size= 1306kB time=00:00:22.80 bitrate= 469.2kbits/s frame= 834 fps=237 q=29.0 size= 1546kB time=00:00:26.52 bitrate= 477.3kbits/s frame= 953 fps=237 q=29.0 size= 1763kB time=00:00:30.27 bitrate= 477.0kbits/s frame= 1071 fps=237 q=29.0 size= 1986kB time=00:00:34.36 bitrate= 473.4kbits/s frame= 1161 fps=231 q=29.0 size= 2160kB time=00:00:37.21 bitrate= 475.4kbits/s frame= 1221 fps=220 q=29.0 size= 2282kB time=00:00:39.53 bitrate= 472.9kbits/s frame= 1280 fps=212 q=29.0 size= 2392kB time=00:00:41.16 bitrate= 476.1kbits/s frame= 1331 fps=203 q=29.0 size= 2502kB time=00:00:43.23 bitrate= 474.1kbits/s frame= 1379 fps=195 q=29.0 size= 2618kB time=00:00:44.72 bitrate= 479.6kbits/s frame= 1430 fps=189 q=29.0 size= 2733kB time=00:00:46.34 bitrate= 483.0kbits/s frame= 1487 fps=184 q=29.0 size= 2851kB time=00:00:48.40 bitrate= 482.6kbits/s frame= 1546 fps=180 q=26.0 size= 2973kB time=00:00:50.43 bitrate= 482.9kbits/s frame= 1610 fps=177 q=29.0 size= 3112kB time=00:00:52.40 bitrate= 486.5kbits/s frame= 1672 fps=174 q=29.0 size= 3231kB time=00:00:54.35 bitrate= 487.0kbits/s frame= 1733 fps=171 q=29.0 size= 3348kB time=00:00:56.51 bitrate= 485.3kbits/s frame= 1792 fps=169 q=29.0 size= 3459kB time=00:00:58.28 bitrate= 486.2kbits/s frame= 1851 fps=166 q=29.0 size= 3588kB time=00:01:00.32 bitrate= 487.2kbits/s frame= 1910 fps=164 q=29.0 size= 3716kB time=00:01:02.36 bitrate= 488.1kbits/s frame= 1972 fps=162 q=29.0 size= 3833kB time=00:01:04.45 bitrate= 487.1kbits/s frame= 2032 fps=161 q=29.0 size= 3946kB time=00:01:06.40 bitrate= 486.8kbits/s frame= 2091 fps=159 q=29.0 size= 4080kB time=00:01:08.35 bitrate= 488.9kbits/s frame= 2150 fps=158 q=29.0 size= 4201kB time=00:01:10.54 bitrate= 487.9kbits/s frame= 2206 fps=156 q=29.0 size= 4315kB time=00:01:12.39 bitrate= 488.3kbits/s frame= 2263 fps=154 q=29.0 size= 4438kB time=00:01:14.21 bitrate= 489.9kbits/s frame= 2327 fps=154 q=29.0 size= 4567kB time=00:01:16.16 bitrate= 491.2kbits/s frame= 2388 fps=152 q=29.0 size= 4666kB time=00:01:18.48 bitrate= 487.0kbits/s frame= 2450 fps=152 q=29.0 size= 4776kB time=00:01:20.24 bitrate= 487.6kbits/s frame= 2511 fps=151 q=29.0 size= 4890kB time=00:01:22.15 bitrate= 487.6kbits/s frame= 2575 fps=150 q=29.0 size= 5015kB time=00:01:24.42 bitrate= 486.6kbits/s frame= 2635 fps=149 q=29.0 size= 5130kB time=00:01:26.62 bitrate= 485.2kbits/s frame= 2695 fps=148 q=29.0 size= 5258kB time=00:01:28.65 bitrate= 485.9kbits/s frame= 2758 fps=147 q=29.0 size= 5382kB time=00:01:30.64 bitrate= 486.4kbits/s frame= 2816 fps=147 q=29.0 size= 5521kB time=00:01:32.69 bitrate= 487.9kbits/s get_buffer() failed Error while decoding stream #0:0: Invalid argument frame= 2848 fps=143 q=-1.0 Lsize= 5787kB time=00:01:35.10 bitrate= 498.4kbits/s video:5099kB audio:581kB subtitle:0 global headers:0kB muxing overhead 1.884230% [libx264 @ 0x16c3000] frame I:12 Avg QP:22.64 size: 12092 [libx264 @ 0x16c3000] frame P:1508 Avg QP:25.39 size: 2933 [libx264 @ 0x16c3000] frame B:1328 Avg QP:30.62 size: 491 [libx264 @ 0x16c3000] consecutive B-frames: 10.0% 80.8% 8.1% 1.1% [libx264 @ 0x16c3000] mb I I16..4: 1.8% 72.1% 26.0% [libx264 @ 0x16c3000] mb P I16..4: 0.4% 2.4% 0.3% P16..4: 48.3% 19.6% 19.3% 0.0% 0.0% skip: 9.5% [libx264 @ 0x16c3000] mb B I16..4: 0.1% 0.2% 0.0% B16..8: 52.6% 6.6% 2.3% direct: 1.4% skip:36.8% L0:48.8% L1:42.5% BI: 8.7% [libx264 @ 0x16c3000] 8x8 transform intra:75.3% inter:55.4% [libx264 @ 0x16c3000] coded y,uvDC,uvAC intra: 77.9% 81.7% 33.1% inter: 24.2% 11.6% 1.1% [libx264 @ 0x16c3000] i16 v,h,dc,p: 25% 16% 44% 14% [libx264 @ 0x16c3000] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 15% 29% 6% 5% 6% 6% 7% 7% [libx264 @ 0x16c3000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 15% 17% 7% 9% 8% 9% 7% 7% [libx264 @ 0x16c3000] i8c dc,h,v,p: 50% 19% 24% 7% [libx264 @ 0x16c3000] Weighted P-Frames: Y:3.8% UV:1.1% [libx264 @ 0x16c3000] ref P L0: 75.6% 19.1% 4.2% 1.0% 0.1% [libx264 @ 0x16c3000] ref B L0: 98.1% 1.9% 0.0% [libx264 @ 0x16c3000] ref B L1: 98.9% 1.1% [libx264 @ 0x16c3000] kb/s:439.47 FFMPEG Configuration: --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvpx --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-gpl --enable-postproc --enable-nonfree libavutil 51. 73.101 / 51. 73.101 libavcodec 54. 59.100 / 54. 59.100 libavformat 54. 29.104 / 54. 29.104 libavdevice 54. 2.101 / 54. 2.101 libavfilter 3. 17.100 / 3. 17.100 libswscale 2. 1.101 / 2. 1.101 libswresample 0. 15.100 / 0. 15.100 libpostproc 52. 0.100 / 52. 0.100 PROBLEM #1: [libfaac @ 0x16b3600] Que input is backward in time [mp4 @ 0x16bb3a0] st:0 PTS: 6174 DTS: 6174 < 7169 invalid, clipping PROBLEM #2: get_buffer() failed Error while decoding stream #0:0: Invalid argument

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• VLC (Server) re-stream Security Camera Feed

  - by Aaron

  I purchased a Swann Home Security DVR system and was hoping for some help on how to duplicate the streaming video on my server. In order to get their web view (streaming video in the browser) to work, I had to install the following plugins: HiDvrPlugin.dmg for mac. Hidvrocx.cab for Windows. I was originally thinking it was a sign of some form of DRM? Maybe. Maybe not. HTML wise, the following code is in the source of the safari version of the web view: <embed pluginspage="SurveilClient.dmg" width="10px" height="10px" type="application/x-scplugin" id="MacDiv" style="height: 592px; width: 720px; left: 278px; top: 61px; "> It seems to be the main display area. Using wireshark, I am able to see that the video stream is on port 9000. However, I have no idea what type of stream it is. I've tried opening it in VLC with no such luck. http://dvr_ip:9000 tcp://dvr_ip:9000 My hope was to do the following to redistribute the feed vlc dvr_ip:9000 --sout h264-version-on-localhost:3000 TLDR; Trying to re-distribute a stream from a security camera (can't tell the format) using vlc (re-distribute via h.264 / HTML5). Not sure how to accomplish this. Is it possible that the software has some type of DRM that only the plugins can decode?

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• FFmpeg extract clip - stream frame rate differs from container frame rate (x264, aac)

  - by fideli

  Summary H.264 video seems to have a really high frame rate that requires a scaling factor to the applied to the duration of video that I'm trying to extract (900x lower). Body I'm trying to extract a clip from a movie that I have in MP4 format (created using Handbrake). After trying mencoder and VLC, I decided to give FFmpeg a shot since it was the least troublesome when it came to copying the codecs. That is, compared to mencoder and VLC, the resulting file was still playable in QuickTime (I know about Perian, etc, I'm just trying to learn how all this works). Anyway, my command was as follows: ffmpeg -ss 01:15:51 -t 00:05:59 -i outofsight.mp4 \ -acodec copy -vcodec copy clip.mp4 During the copy, The following comes up: Seems stream 0 codec frame rate differs from container frame rate: 45000.00 (45000/1) -> 25.00 (25/1) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from outofsight.mp4': Duration: 01:57:42.10, start: 0.000000, bitrate: 830 kb/s Stream #0.0(und): Video: h264, yuv420p, 720x384, 25 tbr, 22500 tbn, 45k tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16 Output #0, mp4, to 'out.mp4': Stream #0.0(und): Video: libx264, yuv420p, 720x384, q=2-31, 90k tbn, 22500 tbc Stream #0.1(eng): Audio: libfaac, 48000 Hz, stereo, s16 Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding frame= 2591 fps=2349 q=-1.0 size= 8144kB time=101.60 bitrate= 656.7kbits/s … Instead of a 5:59 duration clip, I get the entire rest of the movie. So, to test this, I ran the ffmpeg command with -t 00:00:01. What I got was exactly a 15:00 minute clip. So I did some black box engineering and decided to scale my -t option by calculating what value to enter given that 1 second was interpreted as 900 s. For my desired 359 s clip, I calculated 0.399 s and so my ffmpeg command became: ffmpeg -ss 01:15.51 -t 00:00:00.399 -i outofsight.mp4 \ -acodec copy -vcodec copy clip.mp4 This works, but I have no idea why the duration is scaled by 900. Investigating further, each ffmpeg run has the line: Seems stream 0 codec frame rate differs from container frame rate: 45000.00 (45000/1) -> 25.00 (25/1) 45000/25 = 1800. Must be a relation somewhere. Somehow, the obscenely high frame rate is causing issues with the timing. How is that frame rate so high? The best part about this is that the resulting clip.mp4 has the exact same feature (due to the copied video codec), and taking further clips from this needs the same scaling for the -t duration option. Therefore, I've made it available for anyone willing to check this out. Appendix The preamble for ffmpeg on my system (built using MacPorts ffmpeg port): FFmpeg version 0.5, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --prefix=/opt/local --disable-vhook --enable-gpl --enable-postproc --enable-swscale --enable-avfilter --enable-avfilter-lavf --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libdirac --enable-libschroedinger --enable-libfaac --enable-libfaad --enable-libxvid --enable-libx264 --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/gcc-4.2 --arch=x86_64 libavutil 49.15. 0 / 49.15. 0 libavcodec 52.20. 0 / 52.20. 0 libavformat 52.31. 0 / 52.31. 0 libavdevice 52. 1. 0 / 52. 1. 0 libavfilter 1. 4. 0 / 1. 4. 0 libswscale 1. 7. 1 / 1. 7. 1 libpostproc 51. 2. 0 / 51. 2. 0 built on Jan 4 2010 21:51:51, gcc: 4.2.1 (Apple Inc. build 5646) (dot 1)

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• FFmpeg extract clip - stream frame rate differs from container frame rate (x264, aac)

  - by fideli

  Summary H.264 video seems to have a really high frame rate that requires a scaling factor to the applied to the duration of video that I'm trying to extract (900x lower). Body I'm trying to extract a clip from a movie that I have in MP4 format (created using Handbrake). After trying mencoder and VLC, I decided to give FFmpeg a shot since it was the least troublesome when it came to copying the codecs. That is, compared to mencoder and VLC, the resulting file was still playable in QuickTime (I know about Perian, etc, I'm just trying to learn how all this works). Anyway, my command was as follows: ffmpeg -ss 01:15:51 -t 00:05:59 -i outofsight.mp4 \ -acodec copy -vcodec copy clip.mp4 During the copy, The following comes up: Seems stream 0 codec frame rate differs from container frame rate: 45000.00 (45000/1) -> 25.00 (25/1) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from outofsight.mp4': Duration: 01:57:42.10, start: 0.000000, bitrate: 830 kb/s Stream #0.0(und): Video: h264, yuv420p, 720x384, 25 tbr, 22500 tbn, 45k tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16 Output #0, mp4, to 'out.mp4': Stream #0.0(und): Video: libx264, yuv420p, 720x384, q=2-31, 90k tbn, 22500 tbc Stream #0.1(eng): Audio: libfaac, 48000 Hz, stereo, s16 Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding frame= 2591 fps=2349 q=-1.0 size= 8144kB time=101.60 bitrate= 656.7kbits/s … Instead of a 5:59 duration clip, I get the entire rest of the movie. So, to test this, I ran the ffmpeg command with -t 00:00:01. What I got was exactly a 15:00 minute clip. So I did some black box engineering and decided to scale my -t option by calculating what value to enter given that 1 second was interpreted as 900 s. For my desired 359 s clip, I calculated 0.399 s and so my ffmpeg command became: ffmpeg -ss 01:15.51 -t 00:00:00.399 -i outofsight.mp4 \ -acodec copy -vcodec copy clip.mp4 This works, but I have no idea why the duration is scaled by 900. Investigating further, each ffmpeg run has the line: Seems stream 0 codec frame rate differs from container frame rate: 45000.00 (45000/1) -> 25.00 (25/1) 45000/25 = 1800. Must be a relation somewhere. Somehow, the obscenely high frame rate is causing issues with the timing. How is that frame rate so high? The best part about this is that the resulting clip.mp4 has the exact same feature (due to the copied video codec), and taking further clips from this needs the same scaling for the -t duration option. Therefore, I've made it available for anyone willing to check this out. Appendix The preamble for ffmpeg on my system (built using MacPorts ffmpeg port): FFmpeg version 0.5, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --prefix=/opt/local --disable-vhook --enable-gpl --enable-postproc --enable-swscale --enable-avfilter --enable-avfilter-lavf --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libdirac --enable-libschroedinger --enable-libfaac --enable-libfaad --enable-libxvid --enable-libx264 --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/gcc-4.2 --arch=x86_64 libavutil 49.15. 0 / 49.15. 0 libavcodec 52.20. 0 / 52.20. 0 libavformat 52.31. 0 / 52.31. 0 libavdevice 52. 1. 0 / 52. 1. 0 libavfilter 1. 4. 0 / 1. 4. 0 libswscale 1. 7. 1 / 1. 7. 1 libpostproc 51. 2. 0 / 51. 2. 0 built on Jan 4 2010 21:51:51, gcc: 4.2.1 (Apple Inc. build 5646) (dot 1) EDIT Not sure whether it was a bug or not, but it seems to be fixed now in my current version of ffmpeg, at least for this video (version 0.6.1 from MacPorts).

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• FFMPEG Segfault Solutions

  - by Brentley_11

  I'm trying to convert a bunch of movies into h.264 mp4's using FFMPEG. These movies are sourced from various portable camcorders such as the Flip Mino HD and the Kodak ZI8. One issue I'm having with video from the ZI8 is it seems to be causing FFMPEG to segfault. Here is my command: ffmpeg -i 'XmasSailor720p60fps.MOV' -threads 2 -acodec libfaac -ab 96kb -vcodec libx264 -vpre hq -b 500kb -s 484x272 XmasSailor.mp4 Here is the output: FFmpeg version SVN-r20668, Copyright (c) 2000-2009 Fabrice Bellard, et al. built on Dec 2 2009 18:37:34 with gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu4) configuration: --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared libavutil 50. 5. 1 / 50. 5. 1 libavcodec 52.42. 0 / 52.42. 0 libavformat 52.39. 2 / 52.39. 2 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0. 7. 2 / 0. 7. 2 libpostproc 51. 2. 0 / 51. 2. 0 Seems stream 0 codec frame rate differs from container frame rate: 59.94 (60000/1001) -> 29.97 (30000/1001) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'XmasSailor720p60fps.MOV': Duration: 00:00:05.37, start: 0.000000, bitrate: 12021 kb/s Stream #0.0(eng): Video: h264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 11994 kb/s, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 128 kb/s Metadata major_brand : qt minor_version : 0 compatible_brands: qt comment : KODAK Zi8 Pocket Video Camera comment-eng : KODAK Zi8 Pocket Video Camera [libx264 @ 0x99e1020]using SAR=1/1 [libx264 @ 0x99e1020]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64 [libx264 @ 0x99e1020]profile High, level 2.1 Output #0, mp4, to 'XmasSailor.mp4': Stream #0.0(eng): Video: libx264, yuv420p, 484x272 [PAR 1:1 DAR 121:68], q=10-51, 500 kb/s, 30k tbn, 29.97 tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 96 kb/s Metadata comment : Encoded with the Statusfirm Video Transcoder Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding [h264 @ 0x99de950]B picture before any references, skipping [h264 @ 0x99de950]decode_slice_header error [h264 @ 0x99de950]no frame! Error while decoding stream #0.0 [h264 @ 0x99de950]B picture before any references, skipping [h264 @ 0x99de950]decode_slice_header error [h264 @ 0x99de950]no frame! Error while decoding stream #0.0 frame= 20 fps= 0 q=13797729.0 size= 0kB time=0.66 bitrate= 0.6kbits/s frame= 39 fps= 37 q=13797729.0 size= 0kB time=1.30 bitrate= 0.3kbits/s frame= 48 fps= 30 q=33.0 size= 11kB time=0.10 bitrate= 903.0kbits/s frame= 58 fps= 27 q=31.0 size= 22kB time=0.43 bitrate= 421.0kbits/s frame= 67 fps= 25 q=29.0 size= 41kB time=0.73 bitrate= 462.6kbits/s frame= 75 fps= 23 q=29.0 size= 59kB time=1.00 bitrate= 486.7kbits/s frame= 83 fps= 22 q=29.0 size= 81kB time=1.27 bitrate= 521.9kbits/s frame= 90 fps= 21 q=29.0 size= 97kB time=1.50 bitrate= 530.1kbits/s frame= 98 fps= 20 q=29.0 size= 114kB time=1.77 bitrate= 526.9kbits/s frame= 106 fps= 20 q=29.0 size= 134kB time=2.04 bitrate= 537.7kbits/s frame= 114 fps= 19 q=29.0 size= 150kB time=2.30 bitrate= 533.7kbits/s frame= 122 fps= 19 q=29.0 size= 172kB time=2.57 bitrate= 547.8kbits/s frame= 130 fps= 19 q=29.0 size= 193kB time=2.84 bitrate= 557.5kbits/s frame= 136 fps= 18 q=29.0 size= 211kB time=3.04 bitrate= 570.0kbits/s frame= 144 fps= 18 q=29.0 size= 242kB time=3.30 bitrate= 599.5kbits/s frame= 152 fps= 17 q=30.0 size= 261kB time=3.57 bitrate= 598.6kbits/s frame= 157 fps= 15 q=-1.0 Lsize= 368kB time=5.21 bitrate= 579.3kbits/s video:302kB audio:61kB global headers:0kB muxing overhead 1.416371% [libx264 @ 0x99e1020]frame I:1 Avg QP:27.22 size: 8720 [libx264 @ 0x99e1020]frame P:48 Avg QP:25.15 size: 3759 [libx264 @ 0x99e1020]frame B:108 Avg QP:30.10 size: 1105 [libx264 @ 0x99e1020]consecutive B-frames: 0.6% 11.5% 28.8% 59.0% [libx264 @ 0x99e1020]mb I I16..4: 28.5% 47.6% 23.9% [libx264 @ 0x99e1020]mb P I16..4: 0.8% 1.3% 0.5% P16..4: 50.6% 17.7% 13.1% 0.0% 0.0% skip:15.9% [libx264 @ 0x99e1020]mb B I16..4: 0.2% 0.3% 0.1% B16..8: 44.0% 1.2% 2.6% direct: 5.1% skip:46.5% L0:45.5% L1:51.0% BI: 3.5% [libx264 @ 0x99e1020]final ratefactor: 23.51 [libx264 @ 0x99e1020]8x8 transform intra:49.9% inter:67.9% [libx264 @ 0x99e1020]direct mvs spatial:98.1% temporal:1.9% [libx264 @ 0x99e1020]coded y,uvDC,uvAC intra: 54.7% 76.1% 41.4% inter: 17.1% 24.4% 7.8% [libx264 @ 0x99e1020]i16 v,h,dc,p: 18% 52% 5% 25% [libx264 @ 0x99e1020]i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 22% 9% 7% 10% 10% 9% 8% 13% [libx264 @ 0x99e1020]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 18% 8% 8% 10% 13% 10% 9% 12% [libx264 @ 0x99e1020]Weighted P-Frames: Y:10.4% [libx264 @ 0x99e1020]ref P L0: 60.2% 15.3% 11.0% 7.6% 5.2% 0.7% [libx264 @ 0x99e1020]ref B L0: 72.6% 15.6% 11.8% [libx264 @ 0x99e1020]kb/s:471.17 Segmentation fault I'm wondering if anyone else has ran into similar issues. I wasn't able to find anything helpful via Google. Another question I have is if anyone knows of a company that offers paid support for FFMPEG. Thank you for your time.

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• raw h.264 packet capture and playing in VLC

  - by MAC

  Hi, I am capturing packets off the network from a video conference HDX. The video is sent in RTP and is encoded in H264. I am trying to capture these packets and generate a video file. I wrote raw H264 data from the packets to disk and i am trying to play it in VLC. VLC just shows a green box. Am i being too naive in my approach with data writing or should am I wrong in assuming that VLC should play this file? Anyone have any experience in such things?

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• Encoding h.264 with libavcodec/x264

  - by Leviathan

  I am attempting to encode video using libavcodec/libavformat. I'm trying to change the standard output-example.c from ffmpeg source. The AVI file is created on the disk, but the only sound is encoded. I tried adding a lot of options for x264 from here. All the other codecs works fine, mpeg2, mpeg4, mjpeg, xvid. In addition to specifying the parameters x264, I also set the codec to AVOutputFormat structure. That's all I've done. AVOutputFormat *pOutFormat; // in header file av_register_all(); AVCodec *codec = avcodec_find_encoder_by_name("libx264"); pOutFormat = guess_format("avi", NULL, NULL); pOutFormat->video_codec = codec->id; The debug output of my application: Output #0, mp4, to 'D:\1.avi': Stream #0.0: Video: libx264, yuv420p, 320x240, q=10-51, 500 kb/s, 90k tbn, 25 tbc Stream #0.1: Audio: aac, 44100 Hz, 1 channels, s16, 128 kb/s [libx264 @ 0x694010]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 [libx264 @ 0x694010]bitrate tolerance too small, using .01 [libx264 @ 0x694010]profile Main, level 2.0 [libx264 @ 0x694010]frame I:150 Avg QP:14.76 size: 2534 [libx264 @ 0x694010]mb I I16..4: 75.9% 0.0% 24.1% [libx264 @ 0x694010]final ratefactor: 17.57 [libx264 @ 0x694010]coded y,uvDC,uvAC intra: 42.7% 92.4% 47.4% [libx264 @ 0x694010]i16 v,h,dc,p: 11% 14% 2% 73% [libx264 @ 0x694010]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 18% 29% 5% 8% 10% 3% 3% 2% [libx264 @ 0x694010]kb/s:506.79

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

  - by axiomx11

  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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