Legal analysis:
It is illegal. If the video content is suspected of infringing on personal privacy, you can choose to call the police.
Legal basis:
Article 42 of the "Public Security Management Punishment Law" Whoever commits any of the following acts shall be detained for not more than 5 days or fined not more than 500 yuan; if the circumstances are more serious, , shall be detained for not less than 5 days but not more than 10 days, and may also be fined not more than 500 yuan:
(1) Writing threatening letters or threatening the personal safety of others in other ways;
(2) ) Blatantly insulting others or fabricating facts to slander others;
(3) Fabricating facts to frame others in an attempt to subject others to criminal prosecution or public security management penalties;
(4) Threatening, insulting, beating or retaliating against witnesses and their close relatives;
(5) Repeatedly sending obscene, insulting, threatening or other messages to interfere with the normal life of others;
(6) Peeping, filming, eavesdropping, or disseminating other people’s privacy.