mp4/h.264 playback on Mavericks results in blank video output

RESOLVED WORKSFORME

Status

()

Core
Audio/Video
RESOLVED WORKSFORME
3 years ago
3 years ago

People

(Reporter: kibaurufu, Unassigned)

Tracking

34 Branch
x86
Mac OS X
Points:
---

Firefox Tracking Flags

(Not tracked)

Details

Attachments

(1 attachment)

(Reporter)

Description

3 years ago
Steps to reproduce:
----
 1. Visit https://www.youtube.com/watch?v=IbzkCh2QoG0 while using the youtube html5 player.
 2. Begin playing video



What happens:
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Video begins playing and audio can be heard, but video output is blank



What is expected:
----
Video should be visible

Comment 1

3 years ago
WFM. Can you reproduce with a new profile?
Flags: needinfo?(mltomkojr)
(Reporter)

Comment 2

3 years ago
Yes. I was able to reproduce the issue in a new profile.
Flags: needinfo?(mltomkojr)
(Reporter)

Comment 3

3 years ago
Created attachment 8481316 [details]
about:support printout

Attaching my about:support printout for further system info.
Do you have media.mediasource.enabled=TRUE ?
(Reporter)

Comment 5

3 years ago
Yes I do.

Setting media.mediasource.enabled=FALSE with media.mediasource.ignore_codecs=FALSE sometimes causes this crash, https://crash-stats.mozilla.com/report/index/794733cb-b870-47be-ae4c-d7c702140902 when attempting mp4 playback. When it doesn't crash, video playback is still blank.

Setting media.mediasource.enabled=FALSE and unsetting media.mediasource.ignore_codecs (default states) also still results in blank video playback.

As an aside, wouldn't that have been caught by using a new profile?
(Reporter)

Comment 6

3 years ago
Latest Nightly seems to have resolved this.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 3 years ago
Resolution: --- → WORKSFORME
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