1218074 - Firefox fails to playback a video

Status: RESOLVED DUPLICATE of bug 1217980

(Core :: Audio/Video: Playback, defect)

Description

[Alice0775 White]

Attachment: test html, (network connection is needed)

+++ This bug was initially created as a clone of Bug #1217980 +++

Build Identifier: 
https://hg.mozilla.org/mozilla-central/rev/0625c68c0abcfe4d10880d15d8fe7d06df3369c9
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0 ID:20151023030245

Firefox fails to playback a video.
It works on Chrome, IE11 and MS-Edge.


Steps to reproduce:
1. Open attached and wait for ~30sec

Actual Results:
Nothing displayed

Expected Results:
A video should playback

Comment 1

[Alice0775 White]

about:media,


HTMLMediaElement debug data

https://bug1218074.bmoattachments.org/attachment.cgi?id=8678445
	http://www.paulinamatuszewska.pl/assets/webspot.webmhd.webm
	currentTime: 0

Comment 3

[Jean-Yves Avenard [:jya]]

(In reply to Alice0775 White from comment #0)
> Created attachment 8678445 [details]
> test html, (network connection is needed)
> 
> +++ This bug was initially created as a clone of Bug #1217980 +++
> 
> Build Identifier: 
> https://hg.mozilla.org/mozilla-central/rev/
> 0625c68c0abcfe4d10880d15d8fe7d06df3369c9
> Mozilla/5.0 (Windows NT 10.0; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0
> ID:20151023030245
> 
> Firefox fails to playback a video.
> It works on Chrome, IE11 and MS-Edge.

it works in IE11 and Edge because they do not support webm.

It works in Chrome because chrome allows to play a clearly invalid webm file.