Problem Description:

Failed to encode video using the codec libvpx - VP9

Number -release version of the selected component ( if applicable):

libvpx -1.3.0 - 3.fc20.x86_64
libvpx -1.3.0 - 3.fc20.i686


How reproducible :

Using ffmpeg to try to change any format to VP9

Steps to reproduce :

1. ffmpeg -i - vcodec video original.mp4 VP9 -strict -2 best -quality video - resultante.webm



Actual results :

Failure audio and video synchronization causing poor quality

Expected results:


Additional Information :

The error message when changing format is:

[ libvpx - VP9 @ 0x1d389e0 ] Failed to September VP8E_SET_TOKEN_PARTITIONS codec check: Unspecified internal error


According to a forum the solution is to activate VP9 before compiling using:

$ Git clone- b experimental http://git.chromium.org/webm/libvpx.git
$ Cd libvpx
$. / Configure - enable- VP9 - enable -shared
$ Make && make install

link: http://superuser.com/questions/597916/vp9-encoding-using-ffmpeg