There was a stable release ffmpeg 4.3 ("4:3") is a set of free open source libraries that allow you to record, convert and transfer digital audio and video recordings in various formats. FFmpeg 4.3 includes libraries libavutil 56.51.100, libavcodec 58.91.100, libavformat 58.45.100, libavdevice 58.10.100, libavfilter 7.85.100, libswscale 5.7.100, libswresample 3.7.100 , libpostproc 55.7.100.
List of major changes:
- Support Vulkan API, accelerated using Intel QSV (for MJPEG and VP9 decoding), AMD AMF encoder (via Vulkan API using VDPAU VP9)
- Support for AV1 codec (librav1e library), ZeroMQ Message Transport Protocol (ZMTP), adding PCM and PGS to M2TS containers, enhanced support for 3GPP subtitles (movtext)
- AviSynth+ support (instead of AviSynth)
- Decoders CDToons video, mvdv, mvha, IMM5 video, Argonaut Games ADPCM, Simon & Schuster Interactive ADPCM, siren audio, Rayman 2 ADPCM, High Voltage Software ADPCM, ADPCM IMA MTF, CRI HCA, DERF DPCM, mv30, PFM, NotchLC, Cunning Developments ADPCM
- Support for AV1 Annex B, Argonaut Games ASF, Real War KVAG, Rayman 2 APM, FWSE, LEGO Racers ALP (.tun & .pcm), CRI HCA, DERF, and Pro Pinball Series Soundbank containers for demuxing, and The containers Real War KVAG and streamhas to create (muxing)
- Lots of new filters including v360, scroll video, photosensitivity, and more (anlms filter, arnndn filter, bilateral filter, maskedmin & maskedmax filters, median filter, AV1 frame merge bitstream filter, axcorrelate filter, histogram filter, freezeframes filter; xfade video filter, xfade_opencl filter, pad_opencl filter, cas video filter, avgblur_vulkan, overlay_vulkan, scale_vulkan & chromaber_vulkan filters, overlay_cuda filter, tmedian filter, maskedthreshold filter, asubboost filter, pcm_rechunk bitstream filter, scdet filter, gradients source video filter, untile filter, dblur video filter)
- Added: WebP parser, MediaFoundation encoder, AMQP 0-9-1 protocol (RabbitMQ), Simon & Schuster Interactive ADPCM encoder, and sierpinski audio-video filters.
Source: linux.org.ru