MP4 video in IE

Question

I have an html5 video tag with a mp4 and ogg sources. It works well everywhere except on IE 11/10/9/... but if I open the .mp4 file directly into IE, it play it. After my browsing here, the main advice I've found is to specify the mime-type with

AddType video/ogg  .ogv
AddType video/mp4  .mp4
AddType video/webm .webm

and to be sure that gzip is not activated. But it still won't works. The page can be found here

EDIT As specified in the answer, it was a codec problem. As this video is generated with ffmpeg, here's my corrected command :

ffmpeg -r 10 -y -i ./path/to/%05d.jpg -vcodec libx264 -preset slow -crf 24 -pix_fmt yuv420p ./path/to/video.mp4

Answer 1

The video track in the MP4 uses a codec browsers can't play in the video element (MPEG-4 Visual/MPEG-4 Part 2). I imagine when you enter the URL directly into the browser IE is using Windows Media Player or some other plugin to play it. Other browsers can play the ogg version.

You should re-encode the MP4 using the h264 codec.

mediainfo video.mp4
General
Complete name                            : video.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom
File size                                : 27.4 MiB
Duration                                 : 2mn 25s
Overall bit rate                         : 1 581 Kbps
Writing application                      : Lavf52.31.0

Video
ID                                       : 1
Format                                   : MPEG-4 Visual
Format profile                           : Simple@L1
Format settings, BVOP                    : No
Format settings, QPel                    : No
Format settings, GMC                     : No warppoints
Format settings, Matrix                  : Default (H.263)
Codec ID                                 : 20
Duration                                 : 2mn 25s
Bit rate                                 : 1 580 Kbps
Width                                    : 256 pixels
Height                                   : 256 pixels
Display aspect ratio                     : 1.000
Frame rate mode                          : Constant
Frame rate                               : 10.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 2.412
Stream size                              : 27.4 MiB (100%)
Writing library                          : Lavc52.20.1