4K / 2.7K / UHD Support and High FPS Support

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4K / 2.7K / UHD Support and High FPS Support

Postby RaceRender LLC » Tue Jan 13, 2015 1:03 am

Q: Does RaceRender Support Ultra High Definition (UHD) 2.7K or 4K Video (ie up to 3840 x 2160 resolution)?

A: Yes, depending on your operating system and other factors...

Input
RaceRender is able to support up to 4K video input in many situations, depending on the video decoders available for it to use with that format.

For example, with a 4K video in H.264 .MP4 file format from a GoPro HD HERO 3 Black, the following results are considered typical:

  • Windows XP, Vista, and 7: Compatible if you have Apple's free QuickTime 7 Player installed, which means that you need to use the 32-bit version of RaceRender (QuickTime is not available to the 64-bit app)

  • Windows 8.1 and 10: Compatible in both 32-bit and 64-bit versions of RaceRender

  • Mac OS X: Compatible with RaceRender for Mac

As with any video format or codec, there can be various different implementations in use by different camera manufacturers and software providers, some of which may work better than others.


Output

As of RaceRender 3.3, up to 4K output is supported when running on Windows 10 or Mac OS X 10.11 (El Capitan). Previous RaceRender and OS versions support 1080p output, but may also have some 4K support:

  • Windows: WMV output supports up to 4K on systems running Windows 7 or newer, starting with RaceRender 3.1.1. Previous versions support 1080p.
  • Windows: .MP4 / H.264 output supports up to 4K on systems running Windows 10, starting with RaceRender 3.2. Previous versions support 1080p.
  • Mac OS X: .MP4 / H.264 output supports up to 4K on systems running OS X 10.11 (El Capitan), starting with RaceRender 3.3. Previous versions support 1080p.

Please note that using 2.7K or 4K video files can result in significantly more CPU work and memory than even a 1080p video, so performance will be much slower.
Using multiple 2.7K or 4K videos, including multiple joined files, can also result in very high memory use, which could cause issues at some point on the 32-bit Windows version.

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Q: Does RaceRender support high-FPS (high frame rate) video?

A: Yes. As usual, the available video decoders and encoders for the format you're using will need to support it, but it is common to see support for up to 120 FPS input and output. The precision of the controls for seeking, syncing, timeline segments, etc. is effectively limited to 100 FPS. Because there are more video frames that need to be processed, high FPS video will result in more CPU load and take longer to render.
Last edited by RaceRender LLC on Wed Oct 21, 2015 11:53 am, edited 20 times in total.
Reason: Updated
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