Ok, here are 2 examples of a working and a non working video:
Working:
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 31s 406ms
Bit rate : 21.2 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.425
Stream size : 79.2 MiB (91%)
Title : x264 - crf encode
Language : English
Not working:
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.0
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Format settings, GOP : M=3, N=16
Codec ID : V_MPEG4/ISO/AVC
Duration : 1mn 2s
Bit rate : 9 253 Kbps
Width : 1 920 pixels
Height : 1 040 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.193
Stream size : 69.2 MiB (84%)
Language : English
The only thing I see different is the resolution, which isn’t full 1080p.