Fix #6375 and may benefit to #8936

This is untested due to lack of compatible hardware.

It seems impossible to describe this chroma with
vlc_chroma_description_t. Thus picture allocation will fail.

This is untested due to lack of adequate hardware.

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Default values should match with skins.dtd

Signed-off-by: Rafaël Carré <funman@videolan.org>

It might need more testing in some X11 setups on Windows

Default delay 5 seconds, configurable with --decklink-vout-nosignal-delay

podcast: be more tolerant with faulty feeds, so just ignore invalid items instead of refusing to the list the entire feed (close #8970)

drop patch not needed anymore

(same problem as XCB)

Pictures without destroy callback are allocated on the stack and never
explicitly released.