vlc-config: fixed optimizations by splitting CFLAGS_OPTIM into CFLAGS_OPTIM_SIZE and CFLAGS_OPTIM_SPEED, and only one of which is used depending on value --enable-optimize-memory, moreover CFLAGS_NOOPTIM is set to -O0 rather than -O2 whenever possible

the media instance.

turn off styling of text if appropriate.

control/media_instance.c: Work around a missing playlist feature: Playlist should increment the input refcount, and destroy it based upon its refcount value. (this is a temporary hack to allow libvlc usage, until we fix the playlist). 

 * prefix non-exported function names with private_ (as by Pierre d'Herbemont's suggestion)
 * move private functions definitions to src/control/mediacontrol_internal.h
 * move all structure definitions to include/vlc/mediacontrol_structure.h

	  Speex 1.2b1 => 1.2b2

to check:
ffmpeg -i 01\ Sam\'s\ Town.mp3 -ac 1 -acodec pcm_s24be 24be.mov
ffmpeg -i 01\ Sam\'s\ Town.mp3 -ac 1 -acodec pcm_s24le 24le.mov
Patch by Ilkka Ollakka.

QT4: Force need_update on creation so we could view everything on first open of Media Information window
Patch by Hannes Domani, ssbssa -AT- yahoo -boring dot- de

Windows: don't do resizing.
Patch by Hannes Domani, ssbssa -AT- yahoo -boring dot- de

  files)The timing of the raster is determined by t= tags contained within
  the tags. For a  demonstration of karaoke refer to the sample file attached.

* Support for bi-directional text needs to behave inside karaoke
  tags. (In right to left text the raster needs to move from right to left
  instead of left to right - it is supporting this feature that makes this
  patch a little more complicated than it would otherwise be)

* Made the internal handling of font color and alpha tags more consistent
  and convenient in a few places by storing in one variable as AARRGGBB,
  rather than 2.

* Some cleanup of other code.

Patch by Bernie Purcell.

control/media_descriptor.c: Use vlc_gc_* function to prevent input_item_t leak. And prefer p_md over p_media_desc as a variable name. 

control/media_descriptor.c: Don't destroy the input_item, because it might still be needed. We don't have any proper way to do that for now, so we simply leaks it(!).

control/event.c: Make sure the callback list is initially set to NULL. (Likely fix the crash reported by Olivier Aubert).