A new hotkey to toggle subtitles visibility was introduced by commit
69d6f2ab. The idea was to save the
current track id every time the subtitles track is switched via the
hotkey (v), and restore it on toggle (Shift+v).

However, the subtitle track is not necessarily changed via the hotkey:
it may be selected as a default subtitle, or switched from the menu for
example. As a consequence, the saved track id may be invalid.

To fix the issue, do not try to save the selected track id every time it
changes; instead, save it on toggle if subtitles are enabled, and
restore the track with the saved id if subtitles are disabled.

Fixes #16721
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Otherwise it's impossible to reset the value to 100%
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

Signed-off-by: Thomas Guillem <thomas@gllm.fr>

This makes sure it outlives vout instances and is valid for the
whole playlist session.
hotkeys: Set sub-text-scale variable on playlist level

This makes sure it outlives vout instances and is valid for the
whole playlist session.

This reverts commit e287366a.
This was an invalid way of fixing #18258
Having the fullscreen state properly propagated to the vout_display
fixes the issue in a more proper way

(The node parameter must be a playlist_item_t *, cannot be a void *.)

Fix #18258

Pressing 'v' to change the cycle track, we now use 'Alt+v' to cycle in the reverse direction.

Close #8958
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

The functionality is provided by the fov parameter.
Signed-off-by: Thomas Guillem <thomas@gllm.fr>

Signed-off-by: Thomas Guillem <thomas@gllm.fr>

Listen to playlist "input-current" to update the current input_thead_t, and
listen to input "intf-event" to update the current vout. The vout/input don't
need to be fetched when processing an action, this removes one FIXME, but this
adds more lock complexity.

This will be mainly needed for the next commit, in order to listen to mouse
events from the vout.

yaw: Left/Right (same a DVD/BR nav)
pitch: Up/Down (same a DVD/BR nav)
fov: Page Up/Page Down
Signed-off-by: Thomas Guillem <thomas@gllm.fr>