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* Headers in include must contain the structures and prototypes needed
  by the plugins and should be named vlc_*.
* Headers in include/vlc must contain the structures and prototypes
  needed by external libvlc clients

* Moved and renamed some things in headers. 
   - Removed vlc_cpu.h, vlc_error.h (merged in vlc_common)
   - Removed snapshot.h (merged in vlc_vout.h)
   - Removed vlc_spu.h (merged in vlc_osd.h)
   - Removed intf_eject.h and vlc_interaction.h (merged in vlc_interface)
   - Moved all internal headers to src
   - Merged vlc_video.h and video_output.h and move private things to src
   - Removed vlc/intf.h, vlc/aout.h, vlc/vout.h, vlc/decoder.h and vlc/input.h
     (meta headers for use in modules, and often implying too large 
     dependencies)
* Removed some useless dependencies
* Unexported a bunch of functions and structures used only in src/
  (--> Still some work here)
* Finally made input_thread_t and input_source_t (mostly) private. 
  Added input_GetItem to fetch the input_item of an input_thread
* Cleaned up deprecated entries in vlc_symbols.h and bumped up symbol 
  prefix

This commit has a 99% probability of breaking the build, 0.1% of killing
your cat and 0% of getting you hot chicks.

* Introduce 'spdb' the big endian variant of 'spdi' output. This will be needed for the encoded audio output on the PowerMac G5. Only A52 is supported so far. DTS support will follow later. (As well as the actual OSX output changes)

(da big courmischage)

* modules/audio_filter/converter/s16tofloat32*, modules/audio_filter/format.c: s24l/s24b conversion routines.

* src/audio_output/common.c: common facility for channel reordering (aout_CheckChannelReorder() and aout_ChannelReorder()).

* ALL: final improvements to the decoders/packetizers api.
   (There are still a few decoders/packetizers left to be converted but this shouldn't take too long).
* ALL: small improvements to the encoders api.

* Support for 7 and 7.1 channel configurations.

(closes #108).

- Now using the low-level API of libmad,
- Decoding split in parsing & decoding (just like A/52),
- Should handle dual-mono files correctly,
* The old mpeg_audio plug-in can no longer work in this scheme and has
  been disabled. Please _always_ compile with mad from now on.
* Updated po files.

* A placeholder for the Italian translation,
* A bug fix for mono streams on stereo speakers,
* A fix for a possible crash in the FTP access,
* Correct coordinates in OS X fullscreen modes (closing #47),
* Cosmetic fixes.

  warnings than real ones.
* audio output: New intf-change variable to know when audio-channels
  and audio-device have changed.
* video output: New intf-change variable and vout_VarCallback, to know
  when video-device has changed (OS X port).
* modules/gui/macosx/*: Menus for audio channels, implemented volume
  management, added a menu for screen selection.

    signed/unsigned comparisons, and removed trailing spaces here and there.

and is replaced by two members : i_physical_channels and i_original_channels.
i_physical_channels describes the channels which are effectively present
in the stream (at the current point of the aout pipeline), whereas
i_original_channels represents the channels we used to constitute the
stream. For instance a mono stream (FRONT_CENTER) may emanate from a
FRONT_LEFT channel of a STEREO stream.

Additionally, this contains hooks to dynamically select the audio device
and the channels configuration. In order to do that, all aout plugins,
and all interface plug-ins need to be adapted. Currently only SDL
(partially OSS) and the rc interface have been adapted, please use them
as a guide. Other aout plug-ins have been temporarily disabled.

IMPORTANT : if you need a working sound output, DO NOT UPDATE YOUR TREE
for several days until we fix that.

* modules/misc/network/ipv4.c: Fixed a long-standing segfault when saving
  preferences and asking for multicast.

    it simply outputs a usage message.
  * ./src/*: fixed a bunch of (legitimate) warnings under VC++.
  * ./evc/*, ./msvc/*: split the workspaces into three projects (libvlc, vlc
    and plugins -- plugins doesn't build anything yet).

  * ./modules/access/http.c: fixed a segfault (unchecked strstr return value).
  * ./src/input/input_ext-plugins.c: removed platform-specific code and put
    it in plugins. This leads to some code duplication but I have an evil
    plan to get rid of that, too.

* src/audio_output/common.c, include/aout_internal.h: added a new function
   aout_FifoFirstDate() that allows the aout plugin to schedule the first
   play.
* src/audio_output/output.c: fixed another problem affecting the audio quality.
* modules/audio_output/directx.c: improvements. The buffering scheme has been
   changed to be less affected by temporary starving. We also schedule the first   sample to play.

* Miscellaneous small fixes.

  messages,
* Updated BeOS and QNX outputs with respect to i_channels policy.

* include/vlc_threads.h: Avoid locking the interface,
* ALL: reworked all audio output plug-ins to correctly take into account
  i_channels. At present this is known to break OSS, probably others.

new ones.

* Fixed a compile issue in s16tofloat32swab.
* Fixed a typo in demux/mpeg/ts.c.

* First hooks for changing the audio output plug-in and its parameters
  on-the-fly.

* modules/codec/a52.c: Fixed detection of A/52 sound.
* modules/audio_filter/converter/a52tofloat32.c: Fixed a bug related to
  downmixing.
* ALL: Added hooks for audio volume management.

autodetect S/PDIF hardware support and the audio output plug-in chooses
the best one. Of course it probably breaks existing output modules, see
oss.c for hints :).

Also include minor tweaks which will entitle us to decode and output 5.1
audio. It may break existing plug-ins, too. See
audio_output.c:aout_FormatNbChannels for hints.

  (see my last mail).
* aout: Rewrote our whole lock policy. The output thread now doesn't require
  the mixer_lock, which might avoid delays. We will also be able to change
  the filter pipelines at runtime.

* Audio and video should now _always_ be perfectly in sync.
* Changes in a52.c (end_date management) must be ported to other codecs,
  otherwise mixer errors will appear.
* Audio output plug-in can now tell whether they can handle a little
  clock drift (for instance, inserting zeroes after a pause).

pause/play and change of audio channel.

* Major changes in the handling of dates in the audio output ; still buggy,
but differently.
* Fixed a major bug in the aout pre-filters, preventing to run any other
decoder than liba52.
* p_aout->output.pf_play now has only one argument.

  * ./src/audio_output/audio_output.c, ./src/audio_output/mixer.c: fixed a
    horrible sound issue by making sure internal buffers have a size multiple
    of 4 bytes. Waiting for a real fix made in Meuuh, of course.

  p_buffer now has a i_nb_bytes member. It is possible to indicate for a
  format its byterate (necessary for AC3 and SPDIF).
* S/PDIF output seems to be working at last (tested with the file output).

    only have one parent, because I don't want to deal with cycles, and each
    created object is indexed in a global array. This feature is unused yet,
    but it will speed up vlc_object_find(FIND_ANYWHERE).
  * ./debian/rules: activated the faad codec.
  * ./doc/fortunes.txt: new fortune cookies.
  * ./modules/codec/mpeg_video/headers.c: reduced the use of attach/detach.
  * ./modules/audio_output/oss.c: fixed two compilation warnings.