1468617 - MP4 video can't be played because the file is corrupt (Linux)

Status: RESOLVED DUPLICATE of bug 1368063

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

Description

[Hadrien Nilsson]

Attachment: output.mp4

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0
Build ID: 20180607190419

Steps to reproduce:

  * I am on Ubuntu 18.04
  * I use ffmpeg to capture my desktop:
         ffmpeg -video_size 800x480 -framerate 15 -f x11grab -i :0.0+560,50 -preset ultrafast output.mp4
  * I stop the capture
  * I ask Firefox to read the file



Actual results:

Firefox cannot read the file, it says the file is corrupt.



Expected results:

Firefox reads the video file, as fine as Chromium or VLC. I tested on three different computers with Ubuntu 18.04 and Firefox 60.

Comment 1

[Gingerbread Man]

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0
20180613100146

Browser Console output:

Media resource https://bugzilla.mozilla.org/attachment.cgi?id=8985229 could not be decoded, error: Error Code: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005)
Details: auto __cdecl mozilla::SupportChecker::AddMediaFormatChecker::<lambda_999535078a112c9fd6d76606f38e80ee>::operator ()(void) const: Decoder may not have the capability to handle the requested video format with YUV444 chroma subsampling.

The video also doesn't play in either Vivaldi or Edge.