ffmpeg-windows-build-helpers altered script for vgmstream

ffmpeg-vgmstream.patch

diff --git a/cross_compile_ffmpeg.sh b/cross_compile_ffmpeg.sh
index 1109aa3..cddac5a 100755
--- a/cross_compile_ffmpeg.sh
+++ b/cross_compile_ffmpeg.sh
@@ -1934,38 +1934,13 @@ build_ffmpeg() {
       init_options+=" --disable-schannel"
       # Fix WinXP incompatibility by disabling Microsoft's Secure Channel, because Windows XP doesn't support TLS 1.1 and 1.2, but with GnuTLS or OpenSSL it does.  XP compat!
     fi
-    config_options="$init_options --enable-libcaca --enable-gray --enable-libtesseract --enable-fontconfig --enable-gmp --enable-gnutls --enable-libass --enable-libbluray --enable-libbs2b --enable-libflite --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libzimg --enable-libzvbi --enable-libmysofa --enable-libaom --enable-libopenjpeg  --enable-libopenh264 --enable-liblensfun  --enable-libvmaf --enable-libsrt --enable-demuxer=dash --enable-libxml2"
-    if [[ $compiler_flavors != "native" ]]; then
-      config_options+=" --enable-nvenc --enable-nvdec" # don't work OS X
-    fi
+    config_options="$init_options --build-suffix=-vgmstream --enable-shared --disable-static --disable-w32threads --enable-gpl --disable-doc --disable-ffplay --disable-ffprobe --disable-avdevice --disable-ffmpeg --disable-postproc --disable-avfilter --disable-swscale --disable-network --disable-swscale-alpha --disable-vdpau --disable-dxva2 --disable-amf --disable-cuda --disable-d3d11va --disable-ffnvcodec --disable-nvenc --disable-nvdec --disable-hwaccels --disable-sdl2 --disable-iconv --disable-everything --enable-hwaccels --enable-swresample --enable-libopus --enable-parser=ac3,mpegaudio,xma,vorbis,opus --enable-demuxer=ac3,asf,xwma,mov,oma,ogg,tak,dsf,wav,aac,dts,dtshd,mp3,bink,flac,msf,xmv,caf,ape,smacker,pcm_s8,spdif,mpc,mpc8 --enable-decoder=ac3,wmapro,wmav1,wmav2,wmavoice,wmalossless,xma1,xma2,dca,tak,dsd_lsbf,dsd_lsbf_planar,dsd_mbf,dsd_msbf_planar,aac,atrac3,atrac3p,mp1float,mp2float,mp3float,binkaudio_dct,binkaudio_rdft,flac,pcm_s16be,pcm_s16be_planar,pcm_s16le,pcm_s16le_planar,vorbis,ape,adpcm_ima_qt,smackaud,libopus,pcm_s8,pcm_s8_planar,mpc7,mpc8,alac,adpcm_ima_dk3,adpcm_ima_dk4 --disable-parser=mpeg4video,h263 --disable-decoder=mpeg2video,h263,h264,mpeg1video,mpeg2video,mpeg4,hevc,vp9 --disable-cuvid --disable-version3"

-    config_options+=" --extra-libs=-lharfbuzz" #  grr...needed for pre x264 build???
     config_options+=" --extra-libs=-lm" # libflite seemed to need this linux native...and have no .pc file huh?
     config_options+=" --extra-libs=-lpthread" # for some reason various and sundry needed this linux native

     config_options+=" --extra-cflags=-DLIBTWOLAME_STATIC --extra-cflags=-DMODPLUG_STATIC --extra-cflags=-DCACA_STATIC" # if we ever do a git pull then it nukes changes, which overrides manual changes to configure, so just use these for now :|
-    if [[ $build_amd_amf = n ]]; then
-      config_options+=" --disable-amf" # Since its autodetected we have to disable it if we do not want it. #unless we define no autodetection but.. we don't.
-    else
-      config_options+=" --enable-amf" # This is actually autodetected but for consistency.. we might as well set it.
-    fi
-
-    if [[ $build_intel_qsv = y ]]; then
-      config_options+=" --enable-libmfx"
-    else
-      config_options+=" --disable-libmfx"
-    fi
-    if [[ $enable_gpl == 'y' ]]; then
-      config_options+=" --enable-gpl --enable-avisynth --enable-frei0r --enable-filter=frei0r --enable-librubberband --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxvid"
-      if [[ $compiler_flavors != "native" ]]; then
-        config_options+=" --enable-libxavs" # don't compile OS X
-      fi
-    fi
     local licensed_gpl=n # lgpl build with libx264 included for those with "commercial" license :)
-    if [[ $licensed_gpl == 'y' ]]; then
-      apply_patch file://$patch_dir/x264_non_gpl.diff -p1
-      config_options+=" --enable-libx264"
-    fi
     # other possibilities:
     #   --enable-w32threads # [worse UDP than pthreads, so not using that]
     config_options+=" --enable-avresample" # guess this is some kind of libav specific thing (the FFmpeg fork) but L-Smash needs it so why not always build it :)
@@ -1976,11 +1951,6 @@ build_ffmpeg() {

     config_options+=" $postpend_configure_opts"

-    if [[ "$non_free" = "y" ]]; then
-      config_options+=" --enable-nonfree --enable-decklink --enable-libfdk-aac"
-      # other possible options: --enable-openssl [unneeded since we use gnutls]
-    fi
-
     do_debug_build=n # if you need one for backtraces/examining segfaults using gdb.exe ... change this to y :) XXXX make it affect x264 too...and make it real param :)
     if [[ "$do_debug_build" = "y" ]]; then
       # not sure how many of these are actually needed/useful...possibly none LOL