550110 - Video and/or Audio doesn't play when Theora video and/or Vorbis audio are in an MKV container

Status: RESOLVED DUPLICATE of bug 476727

(Core :: Audio/Video, enhancement)

Description

[Neal Gompa[:Conan Kudo]]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.1 (KHTML, like Gecko) Chrome/5.0.335.1 Safari/533.1
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)

Firefox is unable to play videos that use Theora and Vorbis codecs that are stored in the Matroska media container instead of the regular Ogg container.

Reproducible: Always

Steps to Reproduce:
1. Make an MKV that uses Theora Video and Vorbis Audio codecs, using a tool like HandBrake or MKVToolnix.
2. Use the newly created MKV with the <video> tag
Actual Results:  
Video doesn't play

Expected Results:  
Video should play

Comment 1

[Matthew Gregan [:kinetik]]

We don't support Matroska as a container format.