[FFmpeg-user] Problems with IE9

Reindl Harald h.reindl at thelounge.net
Wed Nov 23 18:54:51 CET 2011

Am 23.11.2011 18:19, schrieb Tim Gustafson:
> Hi,
> I've got a video service that's been up and running for a while that uses FFMPEG to convert all its videos.  It works very well, except in IE9 (of course).
> Here's a link to the video player page:
> http://slugtube.soe.ucsc.edu/slugtube/video/1321566272
> I default to using HTML5 video (with MP4 and WEBM versions of each file), if available, and then fall back to a flash player if that doesn't work.  Here are the command lines that I use to create the MP4 video:
> ffmpeg -y -i source.video -f mp4 -threads 4 -vcodec libx264 -vpre libx264-lossless_slow -b 768K -acodec libfaac -ar 22050 -r 30 -g 150 -s 800x600 ideo.mp4
> It would appear that IE9 is attempting to use the MP4 video, but it chokes on it.  The player controls show up for a minute and then go away and don't come back, and even if you right-click the video and hit "play", it does not play.  Is there some better options that I should be choosing for MP4 video to work properly in IE9?

most clients needing H264 BASELINE for HTML5

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