How to encode 1080p mpeg2 at 60fps on a mac?

[Eric Suquet]

Thanks. Didn’t take notice of the “i”. I tried what you suggest to no avail.
I receive the same error in both squeeze and episode when I try to set it to 60p:

invalid video horizontal size (1920)/vertical size (1080)/ frame rate (60.00 fps) combination.

Is it a codec issue? Is there a different mpeg2 encoder that I can use?

[Craig Seeman]

It may MPEG-2 encoders, as programed, don’t support 1080p60. Given that, as I mentioned, cameras are coming out that shoot that, you’d think that this would at least be on someone’s drawing board.
https://en.wikipedia.org/wiki/1080p

As of 2011, there are a few consumer AVCHD/NXCAM camcorders that can capture 1080p50 and 1080p60 video, including Panasonic HDC-TM700, HDC-HS700, HDC-SD700, and HDC-SD600, Sanyo Xacti VPC-HD2000, and Sony NEX-FS100. Professional digital cinema cameras capable of capturing 1080p60 include Sony CineAlta F23 camera and Sony SRW9000 camcorder (with optional 60p processing boards installed), Sony PMW-F3 camcorder, as well as RED One camera (in 2K and 3K capturing modes).
I don’t think the F3 records 60p though at least not using XDCAM EX (which is MPEG-2).

Also note
https://en.wikipedia.org/wiki/MPEG-2

The ATSC A/53 standard used in the United States, uses MPEG-2 video at the Main Profile @ High Level, with additional restrictions such as the maximum bitrate of 19.4 Mbit/s for broadcast television and 38.8 Mbit/s for cable television, 4:2:0 chroma subsampling format, and mandatory colorimetry information.
ATSC allows the following video resolutions, aspect ratios, and frame/field rates:
1920 × 1080 pixel (16:9, square pixels), at 30p, 29.97p, 24p, 23.976p, 60i, 59.94i.
No indication of a 1080p60 spec.

It looks like it’s there for MPEG-4 (which would likely be H.264).
https://hd.engadget.com/2011/06/08/espns-mpeg-4-switch-provides-a-path-to-1080p60-broadcasts/

Just for yucks, can you get 1920×1080 60p from an H.264 .mp4 encode?

[Eric Suquet]

That’s what I suspected.

H.264 isn’t a problem. It’s what I’ve suggested to them, we’ll see what happens.

Thanks for all of your help.

[Craig Seeman]

Nearly all the above cameras recording 1080p60 are using AVCHD (H.264) except the RED (they have their own codec) and I’m not so sure about the F3 because I’ve heard it does NOT record 1080p60 (and it records MPEG-2 in .mp4 wrapper natively).