Can play this codec 1080p MP4 video back without frame skip enabled in Emotion video player.
X5000/020 AmigaOS 41.FE. Radeon HD driver version 3.6 . Radeon R9-270X video card.

(Video info Output info from Mplayer)

libavformat version 57.25.100 (internal)
libavformat file format detected.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x56cb04c0]Protocol name not provided, cannot determine if input is local or a network protocol, buffers and access patterns cannot be configured optimally without knowing the protocol
[lavf] stream 0: video (mpeg4), -vid 0
[lavf] stream 1: audio (aac), -aid 0, -alang und
VIDEO: [MP4V] 1920x1074 24bpp 23.976 fps 1991.8 kbps (243.1 kbyte/s)
VO: [comp_yuv2] Welcome man !.
gfx_nodri = 0
gfx_novsync = 0
benchmark = 0
vsync is enabled = 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec version 57.24.102 (internal)
Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
==========================================================================
Clip info:
major_brand: mp42
minor_version: 512
compatible_brands: isomiso2mp41
creation_time: 2018-06-19 11:50:14
encoder: HandBrake 1.1.0 2018040700
Load subtitles in Test:
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 48000 Hz, 2 ch, floatbe, 160.2 kbit/5.21% (ratio: 20022->384000)
Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio))
==========================================================================
AO: [ahi_dev2] 48000Hz 2ch floatbe (4 bytes per sample)
Starting playback...
Movie-Aspect is 1.79:1 - prescaling to correct movie aspect.
VO: [comp_yuv2] 1920x1074 => 1920x1074 Planar YV12
screen w 1920 h 1080 aspect 1.78:1
VO: Disabling blanker
Movie-Aspect is 1.79:1 - prescaling to correct movie aspect.
VO: [comp_yuv2] 1920x1074 => 1920x1074 Planar YV12
Select error: No such file or directory
AmigaOS4.1 Bug select() don't reset or set errno value
[VD_FFMPEG] DRI failure.
VO: Enabling blanker

Trying to find best screen with aspect 1.78:1
(same aspect as your workbench screen)

Monitor = 0, Screen mode ID = 50161300 (1920x1080)
VO: Disabling blanker
VO: Enabling blanker
screen w 1920 h 1080 aspect 1.78:1
VO: Disabling blanker
Internal COMP YUV2 - FPS 21
VO: Enabling blanker



[ Edited by Spectre660 19.06.2018 - 09:45 ]