[haiku-bugs] Re: [Haiku] #8393: 720p video playback stuttering

  • From: "humdinger" <trac@xxxxxxxxxxxx>
  • Date: Sun, 18 Mar 2012 17:16:44 -0000

#8393: 720p video playback stuttering
   Reporter:  humdinger             |      Owner:  nobody
       Type:  bug                   |     Status:  new
   Priority:  normal                |  Milestone:  R1
  Component:  Audio & Video/Codecs  |    Version:  R1/Development
 Resolution:                        |   Keywords:  stuttering video, ffmpeg
 Blocked By:                        |   Blocking:  8399
Has a Patch:  0                     |   Platform:  All

Comment (by humdinger):

 I think luroh on IRC was right: MediaPlayer is starving for CPU.
 Something's not as efficient in ffmpeg since the update in hrev43830.
 Where in the past the problematic files could be played back with my
 hardware, now they can't anymore. ffmpeg is single threaded, right? If I
 disable one CPU, CPU usage goes shortly up to 100%, then the video pauses
 until the next short spike and so forth.

 When both CPUs are activated, their usage are around 50%, so...

 I can still play back smaller files, i.e. lower bandwith.

Ticket URL: <http://dev.haiku-os.org/ticket/8393#comment:12>
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