Trying to post a video and all that shows up is a black box. any idea what i am doing wrong?

alastairstevenson

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No video just a black box!
That's an h.265 encoded video, which I thought the forum should be able to handle, but maybe not.
Code:
alastair@PC-I5 ~/Downloads $ mediainfo 202105*.mp4
General
Complete name                            : 20210517194357.876.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom (isom/iso2/mp41/0x60A2FFBF)
File size                                : 2.90 MiB
Duration                                 : 12 s 520 ms
Overall bit rate                         : 1 946 kb/s
Encoded date                             : UTC 2021-05-17 23:43:59
Tagged date                              : UTC 2021-05-17 23:43:59

Video
ID                                       : 1
Format                                   : HEVC
Format/Info                              : High Efficiency Video Coding
Format profile                           : Main@L4.1@Main
Codec ID                                 : hvc1
Codec ID/Info                            : High Efficiency Video Coding
Duration                                 : 12 s 520 ms
Bit rate                                 : 1 945 kb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 25.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Bits/(Pixel*Frame)                       : 0.038
Stream size                              : 2.90 MiB (100%)
Encoded date                             : UTC 2021-05-17 23:43:59
Tagged date                              : UTC 2021-05-17 23:43:59
Color range                              : Full
Codec configuration box                  : hvcC


alastair@PC-I5 ~/Downloads $
Here is the same video, recoded as h.264
 

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