Add VideoToolbox based decoder

Supports H.264, mp4v, H.263 and DV depending on Darwin flavor and version

NEWS

@@ -46,6 +46,9 @@ Decoder:
  * Support hardware decoding using Direct3D11, including GPU-zerocopy mode
  * DxVA2 GPU-zerocopy for hardware decoding and displaying on Windows
  * Support 9-bit and 10-bit GBR planar formats
+ * New hardware accelerated decoder for OS X and and iOS based on Video Toolbox
+   supporting H.263, H.264/MPEG-4 AVC, MPEG-4 Part 2, and DV depending on device
+   and OS version
 
 Demuxers:
  * Support HD-DVD .evo (H.264, VC-1, MPEG-2, PCM, AC-3, E-AC3, MLP, DTS)

modules/codec/Makefile.am

@@ -285,6 +285,12 @@ libvorbis_plugin_la_LIBADD = $(VORBIS_LIBS)
 EXTRA_LTLIBRARIES += libvorbis_plugin.la
 codec_LTLIBRARIES += $(LTLIBvorbis)
 
+libvideotoolbox_plugin_la_SOURCES = video_chroma/copy.c video_chroma/copy.h packetizer/h264_nal.c packetizer/h264_nal.h codec/videotoolbox.m
+libvideotoolbox_plugin_la_CFLAGS = $(AM_CFLAGS) -fobjc-arc
+libvideotoolbox_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(codecdir)' -Wl,-framework,Foundation -Wl,-framework,VideoToolbox -Wl,-framework,CoreMedia -Wl,-framework,CoreVideo
+if HAVE_DARWIN
+codec_LTLIBRARIES += libvideotoolbox_plugin.la
+endif
 
 ### FFmpeg/libav ###