4K UHD Video Playback 11.03

Tested on 28th July 2017

Create a 3840 × 2160 frame

1. Create framesets System>Framesets

1. +New>type an appropriate name>Create

1. Tick Custom>Type 3840, 2160 into Width and Height

1. Setup Contents

Trobleshooting.

1. Provide Player info.
   1. Player model
   2. CPU XXXX Graphic cards xxxxxx
2. Check Monitor resolution and screen refresh rate.
   1. Maker XX Product No. XX Resolution XXXX XXXX screen refresh rate xxx HZ
   2. Cable connection type. HDMI, Mini-HDMI, DP (Display port)
   3. HDMI 2.0? HDMI 2.0 Cable?
3. Avoid using cable converters.
   1. Player HDMI to HDMI Monitor -----OK
   2. Player HDMI ---------Converter—Mini-HDMI Monitor -----X
4. Check BIOS settings (CMOS) for Scala image players.
   1. Start>Documentation>CMOS_Setup

1. Check Limitations
   • Certified PC Players
   • Certified Android Players
2. Check video formats Provide screen shots.
   1. 1.Video Codec H.26X MPEG-4. Resolution: ?????x???? Frame Rate XX.XX
   2. 2.Audio Codec MPEG AAC audio(mp4a) sample rate XXXX Hz XXX MB or none.
   3. 3.CAVLC, CABAC or unknow.
3. Check Performance
4. Check Supported Format

General recommendations (H.264): These might change in the future.

• 4K 2160p: 30-40 Mpbs
• 4K 2160p: High Profile, Level 5.1

Additional Encoding Tips These might change in the future.

• Pixel Aspect: 1:1 (square).
  • Fields: Progressive (ie: not interlaced).
  • Closed GOP.
  • For H.264 encoding, use CAVLC (not CABAC) for best software decode performance.
  • Key Frames: Every 1 sec (30 frames).
  • Frame Rate: 30 fps NTSC, 25fps PAL.
  • 29.97 fps is acceptable for NTSC.
  • 60 fps possible with high performance PC.
  • Audio: AAC 192-224 Kbps CBR, 44KHz or no audio at all if the screens will not have sound or no audio was in the source.

Icon

Note:

If the encoded frame rate isn’t a match or multiple of the screen refresh rate, you may see stuttering on some videos, especially on horizontal motion. For example, content encoded 24 fps may stutter on screens that operate at 50 or 60 frames per second. This can be avoided by re-encoding the video with a frame rate that is equal or an even multiple of the screen. For example, 30 fps for a 60 fps screen.

Setting AllowDXVA

• Depending on your CPU and GPU specs, try to set AllowDXVA=0 or 1
• Hardware-accelerated video AllowDXVA=1 with normal and high performance graphics cards (GPU)
  • For Multiple screens with AMD eyefinity, do not turn on dxva (AllowDXVA=1) . Default is off (AllowDXVA=0)
• Software-based video decode AllowDXVA=0 with the high performance CPU
  • How to set AllowDXVA
  • Check Player Performance

HandBrake https://handbrake.fr/ tested on 2017 July Version 1.0.7

HandBrake is a free and open-source transcoder for digital video files. During testing for 4K videos, it seems working well with Scala Player. HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs.

If your video does not show on a ContentManager media page or is laggy, try HandBrake to convert the video.

Icon

According to HandBrake documentation, recommended settings for x264 and x265 encoders: RF 22-28 for 2160p 4K Ultra High Definition.

• Raising quality minus 1-2 RF may produce better results
• Using higher than recommended quality settings can lead to extremely large files that may not be compatible with your devices

https://handbrake.fr/docs/en/latest/workflow/adjust-quality.html

Re-encoding H.264 MP4

1. Open Source>Open a folder or a video file.

1. Add Preset. Click +Add on the right bottom.

1. Type in Name; >Set the size>Add

1. Select the preset that you have just created.

1. The Picture section would be like below. Anamorphic: None> Tick Off Keep Aspect Ratio

1. The Video Section would be like below

• Video Codec H.264 (intel QSV). Constant Quality 22 RF
• Encode Profile High Encoder Level 5.1
• Framerate 30Constant Framerate.

1. Audio Bit rate AAC 192-224 Kbps. No audio at all if the screens will not have sound or no audio was in the source.

1. Container MP4>Destination file extension should be mp4>Start Encode

General information about H.264 and HEVC VP9?

• Software-only HEVC decoding requires a very high performance PC. Hardware video decoding via DXVA2 is disabled by default and is currently considered experimental at this time and is known to deadlock on Intel GPUs. Hardware video decoding support is limited to very recent nVidia based GPUs such as the nVidia Geforce GTX 950. If you are using DXVA, a very powerful CPU is required to decode in real time. It can be enabled via the mmos.ini flag DSHOWRENDER_AllowDXVA2ForHEVC=1.
• H.264 Video Max resolution (width and height). Some customers are using custom computers with high resolution displays
• If the PC has a high spec graphic card, motherboard, CPU(Faster i7) and memory, it seems manageable for showing 4096 (height and width) and then up to 8192 (2 graphic cards X 4096)