At 1:39 PM -0800 11/30/2011, Cliff Rediger wrote:
I have a familiar routine for creating relatively small .mov files
in iMovie and then converting the to .swf (Video2SWF) for posting on
a web site using Dreamweaver.
I convert to .swf because they
are smaller files
easier to make "play on click"
and more universally viewable
Universally viewable IFF the recipient has the Flash plug-in
installed and it supports the vers of Flash you used.
However, now, as we all know flash has it's limitations. For
example, my 105 and 95 year old in-laws cannot see these videos on
their iPads.
Can anyone recommend an app that converts .mov or mp4 files to HTML5?
HTML 5 is simply the latest revision of the Hypertext Markup
Language. One does not "convert video to HTML5". HTML5 supports a
"video" element, that provides certain built-in codecs. The idea
being that the end-user won't have to obtain a 3rd party codec - the
browser takes care of it. ...Flash = video (various codecs) plus
ActionScript. ActionScript = Adobe's proprietary munge of
JavaScript. So the idea is to replace Flash with normal video and
standard JavaScripts.
Currently, the most popular codec for HTML5 Video is h.264, which,
like DivX and Xvid, is simply a flavour of MPEG-4. Usually, the file
extension ".mp4" means h.264 content.
(just to confuse the issue, keep in mind that .mov, .avi, .mpg, .mp4,
.mkv, etc, designate container files only. Each can contain almost
anything - multiple streams etc. What's important here are the
codecs used on the data therein.)
The basic engine, that just about everyone uses, that converts
(transcodes) video and audio from one codec to another is FFmpeg, a
free open-source project. What you need is an app that provides a
GUI to ffmpeg and some presets. The presets are command options that
tell ffmpeg what frame size, rate, compression quality, etc to use,
to be compatible with your target audience. (ffmpeg is a callable
library and a complicated command line tool).
If you search on MacUpdate, I think you'll find a number of apps.
FFmpegX is one of my fav - it's shareware, a very nice GUI with
presets, and it contains pre-built versions of ffmpeg and some other
handy tools (so you don't have to go thru the pain of building them
yourself).
HTH,
- Dan.
--
- Psychoceramic Emeritus; South Jersey, USA, Earth.
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