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Issue 697968 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 2
Type: Bug



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MP4 videos refusing to play in M56, regression from M55

Project Member Reported by woogie@chromium.org, Mar 2 2017

Issue description

Chrome Version       : 56.0.2924.87
URLs (if applicable) : https://drive.google.com/open?id=0B4fX4mjfIGmrNGNLYXR1Q2lFd1E
Audio/Video format (if applicable):

Info dump from `mplayer -v`:
VIDEO:  [H264]  352x240  24bpp  10.000 fps  242.7 kbps (29.6 kbyte/s)
[V] filefmt:44  fourcc:0x34363248  size:352x240  fps:10.000  ftime:=0.1000
Clip info:
 major_brand: isom
 minor_version: 512
 compatible_brands: isomiso2avc1mp41
 encoder: Lavf56.40.101

Special chrome flags (if applicable): None

Behavior in Safari (if known): Unknown.
Behavior in Firefox (if known): Plays.
Behavior in IE: Plays.

Video issue, Audio issue, both, neither? Video only; sample has no audio track.

<b>Flash or HTML5?  <right-clicking most players will either reveal some text</b>
with “Flash”; otherwise likely HTML5> HTML5

No crash report; video refuses to play, no thumbnail.

What steps will reproduce the problem?
(1) Load video file directly with file://...
(2) Video controls load, but cannot play video.

What is the expected result?
Video plays - worked on M55.

What is the actual result?
Frozen controls, first frame of video is not shown (black screen).

 
Owner: gov...@chromium.org
Cc: ligim...@chromium.org bustamante@chromium.org
+ ligimole@ and bustamante@.

 woogie@, could you please try to repro this with latest M57 beta (57.0.2987.88)?

Comment 3 Deleted

[mov,mp4,m4a,3gp,3g2,mj2 @ 0x67a240] st: 0 edit list: 1 Missing key frame while searching for timestamp: 0
[h264 @ 0x67bd00] illegal memory management control operation 14
[h264 @ 0x67bd00] Missing reference picture, default is 0
    Last message repeated 1 times
[h264 @ 0x67bd00] left block unavailable for requested intra4x4 mode -1
[h264 @ 0x67bd00] error while decoding MB 0 0, bytestream 2511
[h264 @ 0x67bd00] concealing 330 DC, 330 AC, 330 MV errors in P frame

Clip is corrupted so can't guarantee it will play.
Labels: M-56
Status: Untriaged (was: Unconfirmed)
I was able to reproduce the issue in latest M56 stable, but works fine in M57 Beta and M58 canary.

Since M57 is going to be promoted in stable soon, don't think we need more debugging.

Builds Tested
=============
56.0.2924.87 
57.0.2987.88 
58.0.3028.0

OS: Win10
Status: WontFix (was: Untriaged)
as per c#5 this issue not repro anymore on M57 and 58

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