Bug#873546: firefox-esr: fails to play some YouTube videos (which play correctly on chromium)

[Scott M.]

Package: firefox-esr
Version: 52.5.0esr-1~deb9u1

Hi,

I also want to say thanks for maintaining Firefox in Debian!

I noticed in the past couple of days that a video I had previously played extensively had stopped working.

https://www.youtube.com/watch?v=Ga3maNZ0x0w   <- very popular 'live' video

The 'debug info' from Youtube contains this fragment:

  "debug_error": {
    "errorCode": "fmt.unplayable",
    "errorDetail": "itag.242;seg.2256990;time.14387.1-14392.1;off.0;len.115183;end.1;merr.4;msg.0x80004005_ IsInitSegmentPresent_ Invalid webm content",
    "message": "An error has occurred. Please try again later.",
    "messageKey": "YTP_ERROR_GENERIC_WITHOUT_LINK"
  }

'Stats for nerds' mentions 'Codecs: VP9 (244) / mp4a 40.2 (140)'


Regards,

Scott.