Disables VP3 based video tracks and allows
playback of other tracks without PCR pollution.
And fix some overflows.

pagein() can't reload the same page, and will
append its packet on next valid pagein() call.

Might not have found lowest granule for vorbis/opus like codecs.

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

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

Additional rounding step ensures that new volume is a multiple of the
"volume-step" as defined in libvlc-module.c.
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

This allows freetype.dll to pass WACK

There is no support for progress dialogs so far

Make some assumptions on channels, like 6 channels is 5.1 etc.

Ref #1897

Assume that 3 channels is 2.1 instead of 3 front channels,
also 6 is 5.1.

Ref #1897

This allows automagic enabling and disabling of the needed and useful aout and vout modules

Agreed by Pierre d'Herbemont, Sebastian Zwickert, Rémi Denis-Courmont, Jean-Baptiste Kempf and me

Regression from ac3f6195 as without this
there could be negative/zero max_duration_length if playlist didn't
change and it would cause instantenious refetch of that playlist.

Required to avoid visual glitches when running out of free surfaces
with avcodec and vaapi/dxva2 backends.

Fix #10868