• DaVinci Resolve

  Canon DSLR h264 transcodes very slow?

  Posted by Jonathon Lee on May 21, 2014 at 10:56 pm

  Hey Folks,

  What is the expected performance when transcoding Canon h264 .mov files to DNXHD 145? I’m using a new MacPro 12-core, 64gb, dual d700 GPU., fast 8gb FC stornext SAN (does about 800-900 mb/s).

  I’m only getting about 36fps. Is this normal? I seem to be getting the same performance form our 6-core machines with d500 GPU’s.

  Media is h264, 1920×1080, 23.976, .mov wrap.

  The CPU utilization barely registers — about 80% idel.

  I think on a 4,1 12-core 2.66 with gtx570 2.5GB I get much better performance. Could this be a 10.9 thing?

  thanks,

  Jonathon

  Ryan Holmes replied 11 years, 12 months ago 3 Members · 2 Replies
• 2 Replies

• 

  Marc Wielage

  May 22, 2014 at 4:36 am

  H.264 is a pain in the ass no matter what you do.
• 

  Ryan Holmes

  May 22, 2014 at 1:55 pm

  What Marc said.

  You may try downloading Adobe Creative Cloud and try out Adobe Media Encoder. That’s what I transcode footage through and it’s the fastest encoder/transcoder I’ve seen (though Telestream Episode gives it a good run for it’s money).

  Ryan Holmes
  http://www.ryanholmes.me
  @CutColorPost

Reply to this Discussion! Login or Sign Up