The programme is correct. Parts of the image are scrambled. Pixels are sorted horizontally. Lines of pixels shifted out of place. Like a glitch art effect. Your reseller's stream has a corrupted decoder creating digital artifacts.
A British IPTV reseller whose video has pixel sorting has a severe decoding problem. The image is being corrupted. Pixels are being rearranged. The reseller's encoder or your decoder is broken. The picture is glitching like digital art.
The British IPTV services with clean video have no glitch artifacts. The reseller who ignored encoder problems leaves you with scrambled images.
The IPTV reseller panel includes error correction. The reseller can fix corruption. The resellers who ignore encoder errors leave you with glitch art.
The IPTV reseller UK operators who watch their own content would notice the pixel sorting. They'd fix the encoder. The resellers who never watch don't know that your picture is scrambling.
Here's a scenario that makes faces unrecognizable. You're watching a person's face. The image scrambles horizontally. The eyes shift to the side. The mouth appears in the forehead. The face becomes a glitchy mess. Then it corrects. Then scrambles again.
The content is there. The decoding is broken. The reseller's corrupted stream has turned faces into abstract art.
I've tested decoding errors across dozens of resellers. Most have clean decoding. Some have glitch artifacts. The reseller's encoder quality determines whether your picture stays intact.
A decoding clean British IPTV reseller will have video without pixel sorting or glitch artifacts. You can test this by watching for image corruption. If the picture stays clean without scrambling, decoding is good. If you see pixel sorting or other glitches, the reseller's encoder is broken.
The same principle applies to other decoding artifacts like green blocks, frozen sections, or image tearing. The careful reseller delivers clean decoding.
A glitch free British IPTV service will have video that doesn't scramble or corrupt. Test by watching a variety of content. If the picture remains intact without glitches, decoding quality is good.