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ColinJCJ
New Participant
December 21, 2018
Answered

Rendering H.264 / MP4 in Media Encoder - Large Output

  • December 21, 2018
  • 3 replies
  • 5815 views

Hello,

Any advice would be greatly appreciated

What I'm trying to do >

I want to render a comp from AE as an h.264 mp4 file (it's native resolution is 7680 x 1080 64:9). I'm doing this via Media Encoder as AE have dropped the codec.

My issue >

When I try to export it media encoder forces it down to 4096 x 1080 (and has unwanted letterboxing) there is no way of manually adjusting this to match 7680 x 1080 64:9 under Basic Video Settings.

Any ideas?

Anybody know what the best way to export this codec at this size and ratio in AE/Media Encoder?

This topic has been closed for replies.
Correct answer Warren Heaton10841144

7680 x 1080 isn't supported yet.

The supported frame sizes for MP4 are tied to the profile level.

This blog has a great table showing which frame sizes are supported by which profile level:

H.264 profiles and levels | Inside & Outside MediaCoder

What's the intended use of the file?  If you can go with Apple ProRes422 (LT) or Apple ProRes422 (Proxy), that CODEC supports significantly larger frame size, both standard and custom.  (Side note:  A 1st generation ProRes422 (Proxy) fill will look really good.  It just won't hold up well to recompression later.)

-Warren

3 replies

OussK
OussK
Community Expert
December 22, 2018

Yes it will work on newer version of AE and you must use level 6.0 or higher or unrestricted level.

    imeilfx
    imeilfx
    Inspiring
    December 22, 2018

    That is right. If my screenshot was misleading (that was made to show "where" not "how")- sorry. Of course profile 5 is to low to use higher resolution. To do that you have to go higher.

      C
      ColinJCJAuthor
      New Participant
      January 6, 2019

      Thanks so much, the advice is much appreciated, cheers and happy new year

      W
      Warren Heaton10841144Correct answer
      Community Expert
      December 21, 2018

      7680 x 1080 isn't supported yet.

      The supported frame sizes for MP4 are tied to the profile level.

      This blog has a great table showing which frame sizes are supported by which profile level:

      H.264 profiles and levels | Inside & Outside MediaCoder

      What's the intended use of the file?  If you can go with Apple ProRes422 (LT) or Apple ProRes422 (Proxy), that CODEC supports significantly larger frame size, both standard and custom.  (Side note:  A 1st generation ProRes422 (Proxy) fill will look really good.  It just won't hold up well to recompression later.)

      -Warren

      Roei Tzoref
      Roei Tzoref
      Brainiac
      December 21, 2018

      The latest update in CC2018 supports h.264 resolution up to 16k. This should work. Like imeilfx​ suggested, change the level and you will get there.

        imeilfx
        imeilfx
        Inspiring
        December 21, 2018

        You have to change level profile of your mp4 preset/ to higher one and then change/set your resolution

        or use h265 codec in mp4 wrapper.

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