Update ffmpeg

External dcadec has been replaced by the new dcadec-based decoder inside ffmpeg

.gitmodules

@@ -7,6 +7,3 @@
 [submodule "qsdecoder"]
 	path = qsdecoder
 	url = git://git.1f0.de/qsdecoder.git
-[submodule "thirdparty/dcadec"]
-	path = thirdparty/dcadec
-	url = https://github.com/foo86/dcadec.git

build_ffmpeg.sh

@@ -24,10 +24,6 @@ do
     esac
 done
 
-BASEDIR=$(pwd)
-THIRDPARTYPREFIX=${BASEDIR}/bin_${archdir}/thirdparty
-export PKG_CONFIG_PATH="${THIRDPARTYPREFIX}/lib/pkgconfig/"
-
 make_dirs() (
   mkdir -p bin_${archdir}/lib
   mkdir -p bin_${archdir}d/lib
@@ -67,8 +63,6 @@ configure() (
     --enable-hwaccel=wmv3_dxva2     \
     --enable-hwaccel=mpeg2_dxva2    \
     --enable-hwaccel=vp9_dxva2      \
-    --disable-decoder=dca           \
-    --enable-libdcadec              \
     --enable-libspeex               \
     --enable-libopencore-amrnb      \
     --enable-libopencore-amrwb      \
@@ -104,24 +98,8 @@ build() (
   make -j$NUMBER_OF_PROCESSORS
 )
 
-build_dcadec() (
-  mkdir -p "${THIRDPARTYPREFIX}/dcadec"
-  cd "${THIRDPARTYPREFIX}/dcadec"
-  if $clean_build ; then
-    make -f "${BASEDIR}/thirdparty/dcadec/Makefile" CONFIG_WINDOWS=1 clean
-  fi
-  make -f "${BASEDIR}/thirdparty/dcadec/Makefile" -j$NUMBER_OF_PROCESSORS CONFIG_WINDOWS=1 CONFIG_SMALL=1 CC=${cross_prefix}gcc AR=${cross_prefix}ar PREFIX="${THIRDPARTYPREFIX}" install-lib
-
-  cd "${BASEDIR}"
-)
-
 make_dirs
 
-echo Building dcadec
-echo
-
-build_dcadec
-
 echo
 echo Building ffmpeg in GCC ${arch} Release config...
 echo