Fix: Header guard in GUIControlFactor.h had a typo.

This was found by a new warning class in clang5.1
Fix: Incorrect header guard in libprojectM
paplayer: drop flac decoder, use ffmpeg instead
[osx/ios/atv2] - sync xcode project
paplayer: add fail safe timer to stop
paplayer: calculate a bitrate if decoder does not provide one
paplayer: sunset wav and adpcm codecs
update VS project after drop of wav and adpcm codecs
[osx/ios/atv2] - sync xcode project
Merge pull request #4396 from tru/guicontrolheaderguard

Fix: Header guard in GUIControlFactor.h had a typo.
Merge pull request #4397 from tru/imagehelperheaderguard

Fix: Incorrect header guard in libprojectM
Merge pull request #4386 from FernetMenta/flac

paplayer: drop flac/wav decoder, use ffmpeg instead
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files
[3D] Support switching to 3D resolutions

Include matching 3D flags (SBS/TAB) in the score of a resolution to switch to, to enable switching to 3d modes.
Also remove the old code that treated 3D modes differently when assigning a score.

I've also added a small weight to higher multiples of the desired framerate, so if display supports 30, 60 and 120Hz
and the video is 30fps then 30 will now be chosen rather than 120. This reduces the overhead of rendering the gui.
[confluence] Use animated gif as a cheaper working spinner
[rbp/omxplayer] Do we need discontinuity handling?

So far I've not seen what this is needed for and it does cause problems for some files.
h264_parser: Initialize the h264dsp context in the parser as well

Each AVStream struct for an H.264 elementary stream actually has two
copies of the H264DSPContext struct (and in fact all the other members
of H264Context as well):

((H264Context *) ((AVStream *)st)->codec->priv_data)->h264dsp
((H264Context *) ((AVStream *)st)->parser->priv_data)->h264dsp

but only the first of these was actually being initialised. This
prevented the addition of platform-specific implementations of
parser-related functions.

Signed-off-by: Martin Storsjö <martin@martin.st>
h264dsp: Factorize code into a new function, h264_find_start_code_candidate

This performs the start code search which was previously part of
h264_find_frame_end() - the most CPU intensive part of the function.

By itself, this results in a performance regression:
              Before          After
              Mean   StdDev   Mean   StdDev  Change
Overall time  2925.6 26.2     3068.5 31.7    -4.7%

but this can more than be made up for by platform-optimised
implementations of the function.

Signed-off-by: Martin Storsjö <martin@martin.st>