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Do not declare *_sys_t typedefs globally in vlc_common.h. Instead,
declare them locally in each module that provides a definition.

This paves the way to move C++ definitions into anonymous namespaces in
order to respect C++ ODR.

The picture_resource_t and sout_stream_id_sys_t typedefs will be handled
separately, since they require specific additional changes.

See #18033
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

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

Close #16977
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

As a side note, refcounts are now initialized with 0, which is expected
so a "smart" pointer can increment the refcount itself upon acquiring
the pointer.

This prevents us from providing our atomic types definitions, as they
would conflict with the ones in std::

Re-license almost all the playback modules to LGPLv2.1+ with
authorization from their respective contributors (230+)

This includes:
 - access, codec, packetizers, demux
 - audio filters, audio mixers, audio output
 - video filters, video chroma, video output
 - text renderers
 - XML parser
 - ARM NEON and SSE2 optimisations (mostly for chromas and filters)

Some modules are not concerned:
 - BDA and DShow access modules because Manol Manolov is AWOL
 - Real RTSP, because it is derived from Xine
 - x264 and t140 because they are encoders only
 - DLL Loader, because it is derived from MPlayer
 - DTS packetizer, because Jon Lech Johansen is AWOL
 - Shine and WMAfixed, because they are derived from Rockbox
 - Real demuxer, as it is derived from MPlayer and Wang Bo is AWOL
 - MPC demuxer, as Yavor Doganov is AWOL
 - Tivo demuxer, because it is derived from an MPlayer fork
 - Playlist demuxer, (WPL and ZPL parts missing), because suheaven is AWOL
 - iOS audio output and video display, because author refuses the license change
 - Equalizer and compressor, because Ronald Wright is AWOL
 - Mono, Headphone and Dolby, because author refuses the license change
 - hqdn3d and yadif, because they are from MPlayer/libavfilter
 - remoteosd, because it derives from RealVNC code
 - MMX optimisations, because Ollie Lho, from SiS, is AWOL
 - Rotate, because it depends on GPL motion

Nota Bene:
 - Some modules depend on GPL-only libraries, a LGPL module does not mean
   that the resulting binary module will be LGPL.
   Libraries affected would include liba52, libdvdcss, libdvdnav, libdvdread,
   faad2, libdca, libmad, libmpeg2, libpostproc, SRC, sid, zvbi and probably others.

remove now meaningless very old mingw.org workarounds

They are missing in the Wine headers

Notably export GUID in the header

The new options are dshow-tuner-frequency and dshow-tuner-standard

By adding the required enums from ks.h and ksmedia.h
Those are copied from MSDN online documentation

Add options to configure audio input format (code was already there ... all it lacked was the options).

This improves readability a lot and prevent us from reinventing the wheel.

Revert revision 13903. It is implemented in a different way by checking if the option --dshow-chroma is set. If it is set then the chroma is forced, otherwise it is not. This should solve the regression of previous commit, by letting users specify the chroma type to use. To get the previous default behaviour specify IV420 as preferred chroma type either on the commandline or in the Capture Device advanced tab.

(da big courmischage)

  - switch to access_demux module for raw video/audio streams.
  - massive cleanup and simplifications.
  - a bunch of fixes.