goldendict-ng/tools/scripts/Build ffmpeg on macos.md

```
brew install automake fdk-aac git lame libass libtool libvorbis libvpx opus sdl shtool texi2html theora wget x264 x265 xvid nasm
brew install speex
git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg
cd ffmpeg
./configure  --prefix=../build/  \
--enable-shared \
--disable-static \
--disable-debug \
--disable-programs \
--disable-network \
--disable-avdevice \
--disable-avfilter \
--disable-swscale \
--disable-network \
--disable-muxers \
--disable-demuxers \
--enable-rdft \
--enable-demuxer=aac \
--enable-demuxer=ac3 \
--enable-demuxer=aiff \
--enable-demuxer=ape \
--enable-demuxer=asf \
--enable-demuxer=flac \
--enable-demuxer=matroska \
--enable-demuxer=mp3 \
--enable-demuxer=mpc \
--enable-demuxer=mov \
--enable-demuxer=mpc8 \
--enable-demuxer=ogg \
--enable-demuxer=tta \
--enable-demuxer=wav \
--enable-demuxer=wv \
--disable-bsfs \
--disable-filters \
--disable-parsers \
--enable-parser=aac \
--enable-parser=ac3 \
--enable-parser=mpegaudio \
--disable-protocols \
--disable-indevs \
--disable-outdevs \
--disable-encoders \
--disable-decoders \
--enable-decoder=eightsvx_exp \
--enable-decoder=eightsvx_fib \
--enable-decoder=aac \
--enable-decoder=aac_latm \
--enable-decoder=ac3 \
--enable-decoder=adpcm_4xm \
--enable-decoder=adpcm_adx \
--enable-decoder=adpcm_afc \
--enable-decoder=adpcm_ct \
--enable-decoder=adpcm_ea \
--enable-decoder=adpcm_ea_maxis_xa \
--enable-decoder=adpcm_ea_r1 \
--enable-decoder=adpcm_ea_r2 \
--enable-decoder=adpcm_ea_r3 \
--enable-decoder=adpcm_ea_xas \
--enable-decoder=adpcm_g722 \
--enable-decoder=adpcm_g726 \
--enable-decoder=adpcm_ima_amv \
--enable-decoder=adpcm_ima_apc \
--enable-decoder=adpcm_ima_dk3 \
--enable-decoder=adpcm_ima_dk4 \
--enable-decoder=adpcm_ima_ea_eacs \
--enable-decoder=adpcm_ima_ea_sead \
--enable-decoder=adpcm_ima_iss \
--enable-decoder=adpcm_ima_oki \
--enable-decoder=adpcm_ima_qt \
--enable-decoder=adpcm_ima_smjpeg \
--enable-decoder=adpcm_ima_wav \
--enable-decoder=adpcm_ima_ws \
--enable-decoder=adpcm_ms \
--enable-decoder=adpcm_sbpro_2 \
--enable-decoder=adpcm_sbpro_3 \
--enable-decoder=adpcm_sbpro_4 \
--enable-decoder=adpcm_swf \
--enable-decoder=adpcm_thp \
--enable-decoder=adpcm_xa \
--enable-decoder=adpcm_yamaha \
--enable-decoder=alac \
--enable-decoder=amrnb \
--enable-decoder=libopencore_amrnb \
--enable-decoder=amrwb \
--enable-decoder=libopencore_amrwb \
--enable-decoder=ape \
--enable-decoder=atrac1 \
--enable-decoder=atrac3 \
--enable-decoder=binkaudio_dct \
--enable-decoder=binkaudio_rdft \
--enable-decoder=bmv_audio \
--enable-decoder=comfortnoise \
--enable-decoder=cook \
--enable-decoder=dsicinaudio \
--enable-decoder=dca \
--enable-decoder=eac3 \
--enable-decoder=flac \
--enable-decoder=g723_1 \
--enable-decoder=g729 \
--enable-decoder=gsm \
--enable-decoder=libgsm \
--enable-decoder=gsm_ms \
--enable-decoder=libgsm_ms \
--enable-decoder=iac \
--enable-decoder=imc \
--enable-decoder=interplay_dpcm \
--enable-decoder=mace3 \
--enable-decoder=mace6 \
--enable-decoder=mlp \
--enable-decoder=mp1 \
--enable-decoder=mp1float \
--enable-decoder=mp2 \
--enable-decoder=mp2float \
--enable-decoder=mp3 \
--enable-decoder=mp3float \
--enable-decoder=mp3adu \
--enable-decoder=mp3adufloat \
--enable-decoder=mp3on4 \
--enable-decoder=mp3on4float \
--enable-decoder=als \
--enable-decoder=mpc7 \
--enable-decoder=mpc8 \
--enable-decoder=nellymoser \
--enable-decoder=libopus \
--enable-decoder=paf_audio \
--enable-decoder=pcm_alaw \
--enable-decoder=pcm_bluray \
--enable-decoder=pcm_dvd \
--enable-decoder=pcm_f32be \
--enable-decoder=pcm_f32le \
--enable-decoder=pcm_f64be \
--enable-decoder=pcm_f64le \
--enable-decoder=pcm_lxf \
--enable-decoder=pcm_mulaw \
--enable-decoder=pcm_s16be \
--enable-decoder=pcm_s16be_planar \
--enable-decoder=pcm_s16le \
--enable-decoder=pcm_s16le_planar \
--enable-decoder=pcm_s24be \
--enable-decoder=pcm_s24daud \
--enable-decoder=pcm_s24le \
--enable-decoder=pcm_s24le_planar \
--enable-decoder=pcm_s32be \
--enable-decoder=pcm_s32le \
--enable-decoder=pcm_s32le_planar \
--enable-decoder=pcm_s8 \
--enable-decoder=pcm_s8_planar \
--enable-decoder=pcm_u16be \
--enable-decoder=pcm_u16le \
--enable-decoder=pcm_u24be \
--enable-decoder=pcm_u24le \
--enable-decoder=pcm_u32be \
--enable-decoder=pcm_u32le \
--enable-decoder=pcm_u8 \
--enable-decoder=pcm_zork \
--enable-decoder=qcelp \
--enable-decoder=qdm2 \
--enable-decoder=ra_144 \
--enable-decoder=ra_288 \
--enable-decoder=ralf \
--enable-decoder=roq_dpcm \
--enable-decoder=s302m \
--enable-decoder=shorten \
--enable-decoder=sipr \
--enable-decoder=smackaud \
--enable-decoder=sol_dpcm \
--enable-decoder=sonic \
--enable-decoder=libspeex \
--enable-decoder=tak \
--enable-decoder=truehd \
--enable-decoder=truespeech \
--enable-decoder=tta \
--enable-decoder=twinvq \
--enable-decoder=vima \
--enable-decoder=vmdaudio \
--enable-decoder=vorbis \
--enable-decoder=ffwavesynth \
--enable-decoder=wavpack \
--enable-decoder=ws_snd1 \
--enable-decoder=wmalossless \
--enable-decoder=wmapro \
--enable-decoder=wmav1 \
--enable-decoder=wmav2 \
--enable-decoder=wmavoice \
--enable-decoder=xan_dpcm \
--enable-libspeex
make
sudo make install

ls -al ../build
# otool -L build/*.dylib

```