And if I remove the video instead of the audio (-vn option instead of -an), it does not play either and "jumps" to the end of the stram. I tried to tweak the libvorbis options on bitrate and quality values, but it does not seem to make any difference.
I also tried to manually modify the header properties with mkvpropedit, but it always seems to delete both audio and video tracks in the header, giving a file considered corrupted by Firefox (but still playable on Totem, VLC and Chromium... It looks like these players are less dependent on the mkv header) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1323822 Title: Firefox can not play some WebM videos generated by avconv on Trusty To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1323822/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs