Similar to filter_chain_NewVideo() as this is the only use of this supposedly
generic function.

Also fix the function documentation.

Steve Lhomme authored Jul 19, 2019 and Felix Paul Kühne committed Jul 22, 2019

Signed-off-by: Felix Paul Kühne <felix@feepk.net>

Also set the capability at the same time as the (de)activate callbacks.

In fact it never does.

We should match the display to the vd->source format.

We can fill the expected video format without keeping it between instances.

The "no signal" was created from uninitialized vd->fmt.

vlc_common.h includes stdint.h, which is needed for vlc_plugin.h.
Also, this orders includes alphabetically.

Potentially moving GB of data isn't a good idea
on slow flash devices.

...out of the descriptor, to some new place with better type safety.

This is no longer needed.

This is a little bit more flexible than forcing a specific entry point
name dependent on the version.

No needs for a callback.