1108205 - Firefox beta 35.0 now starts playing H.264 files on mac but only audio is played, video is not shown

Status: RESOLVED WORKSFORME

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

Description

[JJ]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:35.0) Gecko/20100101 Firefox/35.0
Build ID: 20141201162954

Steps to reproduce:

I tried playing several H.264 video sources on Mac, vimeo and also local files like below:

Track # 1 Info - TrackID 1 - TimeScale 100000 - Duration 00:58:00.360
Media Info: Language "English" - Type "vide:avc1" - 87009 samples
Visual Track layout: x=0 y=0 width=1280 height=720
MPEG-4 Config: Visual Stream - ObjectTypeIndication 0x21
AVC/H264 Video - Visual Size 1280 x 720
	AVC Info: 1 SPS - 1 PPS - Profile High @ Level 4.1
	NAL Unit length bits: 32
Self-synchronized



Actual results:

I hear audio being played, never video is shown


Expected results:

both audio and video should be played back

Comment 1

[JJ]

Using preferences in about:config

And enabling:
media.peerconnection.video.h264_enabled;true

I do see H.264 video, so this might be a non-issue?

Comment 2

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

H.264 support added for Mac in 38.