hi, theora libraries are still being updated frequently, but the problem is encoding software or tools to encode to theora are not updated with the latest libraries frequently... so the problem i have reported to the xiph list was that people are not aware that they do not benefit from the latest libraries when they are using software like vlc or super etc... and these software are still listed as tools to encode on xiph's website...
for example vlc 1.0.1 for windows uses libtheora I 20081020 3 2 1 and it doesn't produce an .ogv file but .ogg (without skeleton and also the extension is .ps, you need to changee it manually). (also the container is listed as ogg/ogm, xiph suggests .ogv for video instead of .ogg for a while and ogm is another issue and a little long to explain here, but ogm is not the right container for theora ... i don't know the situation for other platforms with vlc... my suggestion was to announce a source that people can always find the software with the latest libtheora.... and people should be directed to this source to benefit from the latest improvements on theora... the tool to convert to theora should also have a GUI and it should support all the platforms... firefogg is what you can get all of these... firefogg is not just used for converting and uploading to websites... it can be used for everyone on all platforms to encode to theora on their local computer (raw file is not uploaded to a server to be encode, as some may think by confusion). your video is not uploaded to any server, convertion is done on your local computer and fast and you can use the gui from any platform (mac, windows, linux) as long as you have internet connection and firefogg plugin installed on firefox... the most important thing is that it is always updated with the latest version of libtheora, thanx to xiph developers... so what i would suggest is to direct the people to use firefogg to convert to theora on any platform using by GUI and to benefit from the latest improvements... http://www.firefogg.org/make/index.html you can also downlaod ffmpeg2theora's latest version using the latest libtheora available and oggtools at http://www.firefogg.org/nightly/ this is my experience with theora encoding... to sum up, an ogg theora file should have the .ogv extension (with skeleton) and latest libtheora is libtheora 1.1 20090822... not all the software you can find on the net are updated with the latest libtheora (even on their latest versions) and they may produce unsufficient/inapropriate ogg theora files... you can stay up to date with the latest improvements on theora and encode to theora using latest libtheora for all the platforms using a GUI by using firefogg.... http://www.firefogg.org/make/index.html if you can use a command line tool you can also find the ffmpeg2theora using frequently updated libtheora for all the platforms at http://www.firefogg.org/nightly/ ... .-_-. ________________________________ From: "[email protected]" <[email protected]> To: [email protected] Sent: Thursday, August 27, 2009 7:02:53 PM Subject: playogg-discuss Digest, Vol 6, Issue 15 Send playogg-discuss mailing list submissions to [email protected] To subscribe or unsubscribe via the World Wide Web, visit http://lists.gnu.org/mailman/listinfo/playogg-discuss or, via email, send a message with subject or body 'help' to [email protected] You can reach the person managing the list at [email protected] When replying, please edit your Subject line so it is more specific than "Re: Contents of playogg-discuss digest..." Today's Topics: 1. Re: Which tool to encode web video or audio? (Jaime Alberto Silva) ---------------------------------------------------------------------- Message: 1 Date: Wed, 26 Aug 2009 22:10:41 -0500 From: Jaime Alberto Silva <[email protected]> Subject: Re: [playogg-discuss] Which tool to encode web video or audio? Cc: [email protected] Message-ID: <[email protected]> Content-Type: text/plain; charset="utf-8" I've tried ffmpeg2theora, VLC and firefogg. I had a few problems converting videos taken with my Nokia N95 phone until I noticed that I have to specify the framerate to 30 fps instead of the bitrate. I think that the best, easier to use tool for the GUI oriented people is VLC, just go to the "Media >> Convert/Save..." menu or press Ctrl+R, select the file and then from the profiles you can choose "Video - Theora + Vorbis (OGG)", select a destination file and there you go. However, there is a catch, the mentioned profile has too high video and audio bitrates for the web and there is no scaling for the video. If VLC had a profile for the web, something like "Video - Theora + Vorbis (OGG) for web" with a video bitrate of 400Kbps, video scalling to 400 pixels wide (only if bigger) and audio bitrate of 56 Kbps then it would be the perfect solution for the average Joe. There is another catch and is when you must specify fps instead of kbps like with the N95 videos, but those are just special cases (you can't make everyone happy). My tool of choice, however, is ffmpeg2theora since I am a command line oriented guy. It is really easy to use. As for Firefogg I think it is a good solution for content upload sites, but make your users install a plug-in or add-on that only works in one browser goes against what HTML5 and the <video> tag are for. It's a shame that the cortado applet won't work with my videos. I have tried with three different videos so far and it keeps saying that there are no audio or video in the files so I am gonna have to use Youtube embeds as fallback for browsers that don't support the video tag. Those are my conclusions so far, please let us (the list) know about any appreciations. Thanks. Jaime Alberto Silva Socio / Representante Legal SG Automatizaci贸n Ltda. Pereira \ Risaralda \ Colombia http://sgautomatizacion.dynalias.com On Mon, Aug 24, 2009 at 10:33 AM, George Chriss <[email protected]> wrote: > A demo is available too: > > > http://php.scripts.psu.edu/gsc127/blogs/2009/05/firefox-ogg-firefogg-demo.php > > Also, a list of Theora encoders is available on the XiphWiki: > http://wiki.xiph.org/index.php/TheoraSoftwareEncoders > > Cheers, > George (GChriss) > > > On Mon, August 24, 2009 11:22, Holmes Wilson wrote: > > This project is very interesting: http://firefogg.org/ > > > > The website running it can optionally communicate a set of encoding > > options (size and bitrate) to the plugin, which then encodes the video > > to Theora when users upload it according to these settings. > > > > One especially cool thing is that, with a correctly configured server, > > Firefogg can upload as it transcodes, saving tons of time. > > > > -Holmes > > > > Jaime Alberto Silva wrote: > >> With the advent of HTML5 and Firefox 3.5 now supporting the video and > >> audio tags I think it would be nice to have a tool to take a video or > >> audio file and convert it to a ogg file suitable for web transmition. > >> > >> I mean something with preset values for web forecasting that you can > >> tell people: "Just pass your video or audio thought this tool and then > >> you can put in your web page with a video or audio tag" without having > >> to worry about bit-rates and such. > >> > >> I think something as simple as that can improve a lot the ogg-vorbis > >> proliferation. > >> > >> Is it possible? Is something like that already available (multiplatform > >> or at least in GNU/Linux)? > >> > >> I have used VLC and, like in many other tools, there are a lot of > >> options that many people doesn't know how to tune in order to get a > >> web-usable file. Don't get me wrong, I know many options is a good think > >> to have (otherwise I were not using free software) but if you don't know > >> how to use them it can be intimidating. > >> > >> > >> Jaime Alberto Silva > >> Socio / Representante Legal > >> SG Automatizaci脙鲁n Ltda. > >> Pereira \ Risaralda \ Colombia > > > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... 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