Will Beattie's Blog

  I just received a bug report about the infamous Internet Explorer Security Warning for one of the pages in our application that serves video content over HTTPS.   After viewing the source I found the offender which turned out to be the codebase attribute set to http://www.apple.com/qtactivex/qtplugin.cab . < object id ="videoObject" classid ="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase ="http://www.apple.com/qtactivex/qtplugin.cab" width ="330" height ="292"> < param name ="src" value ="https://securedomain/video.mp4" /> < param name ="controller" value ="true" /> < param name ="autoplay" value ="False" /> < param name ="scale" value ="aspect" /> < param name ="cache" value ="true"/> ...

  I’ve just discovered that the latest version (0.7.37) of MediaInfo has some deprecated attributes and I’ve compiled the full list of deprecated attributes split by the Track type. General Menu_Codec_List Format/String Codec Codec/String Codec/Info Codec/Url Codec/Extensions Codec_Settings Codec_Settings_Automatic Video Codec Codec/String Codec/Family Codec/Info Codec/Url Codec/CC Codec_Profile Codec_Description Codec_Settings Codec_Settings_PacketBitStream Codec_Settings_BVOP Codec_Settings_QPel Codec_Settings_GMC Codec_Settings_GMC/String Codec_Settings_Matrix Codec_Settings_Matrix_Data Codec_Settings_CABAC Codec_Settings_RefFrames Resolution Resolution/String Colorimetry Interlacement Interlacement/String Audio Codec Codec/String Codec/Family Codec/Info Codec/Url Codec/CC Codec_Description Codec_Profile Codec_Setting...

  Recently there was a question asked over on Stackoverflow.com regarding best practices around H.264 and the Video Tag. The answer with the most votes has IMO provided an inadequate solution and I thought I would take the time to clear this up with a new post. Unfortunately and to the frustration of developers that deal with Video content, HTML 5 has dropped the Codec as part of the specification leaving the Browser vendors to implement whatever they want. However the consensus is to use H.264 with even Microsoft adopting this for the forthcoming Internet Explorer 9. Here’s how it stacks in terms of browser support as of writing. Browser H.264 Ogg Theora Google Chrome Yes Yes Firefox No Yes Safari Yes No IE9 Yes No Opera No Yes H.264 Only – Chrome, Safari ...