ffmpeg

aom	3.1.2	Codec library for encoding and decoding AV1 video streams
dav1d	0.9.0	AV1 decoder targeted to be small and fast
fontconfig	2.13.1	XML-based font configuration API for X Windows
freetype	2.11.0	Software library to render fonts
frei0r	1.7.0	Minimalistic plugin API for video effects
gnutls	3.6.16	GNU Transport Layer Security (TLS) Library
lame	3.100	High quality MPEG Audio Layer III (MP3) encoder
libass	0.15.1	Subtitle renderer for the ASS/SSA subtitle format
libbluray	1.3.0	Blu-Ray disc playback library for media players like VLC
libsoxr	0.1.3	High quality, one-dimensional sample-rate conversion library
libvidstab	1.1.0	Transcode video stabilization plugin
libvorbis	1.3.7	Vorbis General Audio Compression Codec
libvpx	1.10.0	VP8/VP9 video codec
opencore-amr	0.1.5	Audio codecs extracted from Android open source project
openjpeg	2.4.0	Library for JPEG-2000 image manipulation
opus	1.3.1	Audio codec
rav1e	0.4.1	Fastest and safest AV1 video encoder
rubberband	1.9.2	Audio time stretcher tool and library
sdl2	2.0.14	Low-level access to audio, keyboard, mouse, joystick, and graphics
snappy	1.1.9	Compression/decompression library aiming for high speed
speex	1.2.0	Audio codec designed for speech
srt	1.4.3	Secure Reliable Transport
tesseract	4.1.1	OCR (Optical Character Recognition) engine
theora	1.1.1	Open video compression format
webp	1.2.0	Image format providing lossless and lossy compression for web images
x264	r3060	H.264/AVC encoder
x265	3.5	H.265/HEVC encoder
xvid	1.3.7	High-performance, high-quality MPEG-4 video library
xz	5.2.5	General-purpose data compression with high compression ratio
zeromq	4.3.4	High-performance, asynchronous messaging library
zimg	3.0.2	Scaling, colorspace conversion, and dithering library

Depends on when building from source:

nasm	2.15.05	Netwide Assembler (NASM) is an 80x86 assembler
pkg-config	0.29.2	Manage compile and link flags for libraries

Analytics:

Installs (30 days)
`ffmpeg`	104,343
`ffmpeg --HEAD`	204
Installs on Request (30 days)
`ffmpeg`	85,611
`ffmpeg --HEAD`	203
Build Errors (30 days)
`ffmpeg`	46
`ffmpeg --HEAD`	5
Installs (90 days)
`ffmpeg`	366,675
`ffmpeg --HEAD`	773
`ffmpeg --with-freetype`	10
`ffmpeg --with-snappy`	7
`ffmpeg --with-sdl2`	4
`ffmpeg --with-sdl2 --with-freetype`	2
`Ffmpeg`	1
`ffmpeg --with-chromaprint --with-fdk-aac --with-libass --with-librsvg --with-libsoxr --with-libssh --with-tesseract --with-libvidstab --with-opencore-amr --with-openh264 --with-openjpeg --with-openssl --with-rtmpdump --with-rubberband --with-webp --with-zeromq --with-fontconfig --with-freetype --with-frei0r --with-game-music-emu --with-libbluray --with-libbs2b --with-libcaca --with-libgsm --with-libmodplug --with-speex --with-two-lame --with-wavpack`	1
`ffmpeg --with-fdk-aac`	1
Installs on Request (90 days)
`ffmpeg`	304,631
`ffmpeg --HEAD`	771
`ffmpeg --with-freetype`	10
`ffmpeg --with-sdl2`	4
`ffmpeg --with-sdl2 --with-freetype`	2
`Ffmpeg`	1
`ffmpeg --with-chromaprint --with-fdk-aac --with-libass --with-librsvg --with-libsoxr --with-libssh --with-tesseract --with-libvidstab --with-opencore-amr --with-openh264 --with-openjpeg --with-openssl --with-rtmpdump --with-rubberband --with-webp --with-zeromq --with-fontconfig --with-freetype --with-frei0r --with-game-music-emu --with-libbluray --with-libbs2b --with-libcaca --with-libgsm --with-libmodplug --with-speex --with-two-lame --with-wavpack`	1
`ffmpeg --with-fdk-aac`	1
Installs (365 days)
`ffmpeg`	1,688,188
`ffmpeg --HEAD`	3,320
`ffmpeg --with-fdk-aac --with-libass --with-libvpx --with-openssl`	24
`ffmpeg --with-sdl2`	16
`FFmpeg`	11
`ffmpeg --with-freetype`	11
`ffmpeg --with-libvpx`	9
`ffmpeg --with-snappy`	7
`ffmpeg --with-fdk-aac`	5
`ffmpeg --with-freetype --with-libvorbis --with-opus`	4
`ffmpeg --with-chromaprint --with-fdk-aac --with-libass --with-librsvg --with-libsoxr --with-libssh --with-tesseract --with-libvidstab --with-opencore-amr --with-openh264 --with-openjpeg --with-openssl --with-rtmpdump --with-rubberband --with-sdl2 --with-snappy --with-tools --with-webp --with-x265 --with-xz --with-zeromq --with-zimg --with-frei0r --with-game-music-emu --with-libbluray --with-libbs2b --with-libcaca --with-libgsm --with-libmodplug`	3
Installs on Request (365 days)
`ffmpeg`	1,393,650
`ffmpeg --HEAD`	3,279
`ffmpeg --with-fdk-aac --with-libass --with-libvpx --with-openssl`	24
`ffmpeg --with-sdl2`	16
`FFmpeg`	11
`ffmpeg --with-freetype`	11
`ffmpeg --with-libvpx`	8
`ffmpeg --with-fdk-aac`	5
`ffmpeg --with-freetype --with-libvorbis --with-opus`	4
`ffmpeg --with-chromaprint --with-fdk-aac --with-libass --with-librsvg --with-libsoxr --with-libssh --with-tesseract --with-libvidstab --with-opencore-amr --with-openh264 --with-openjpeg --with-openssl --with-rtmpdump --with-rubberband --with-sdl2 --with-snappy --with-tools --with-webp --with-x265 --with-xz --with-zeromq --with-zimg --with-frei0r --with-game-music-emu --with-libbluray --with-libbs2b --with-libcaca --with-libgsm --with-libmodplug`	3

Homebrew Formulae

ffmpeg