https://ffmpeg.org/doxygen/8.0/pcm__rechunk_8c_source.html
FFmpeg: libavcodec/bsf/pcm_rechunk.c Source File
ffmpegbsfpcmsourcefile
https://community.f5.com/discussions/technicalforum/httppayload-rechunk--/229856/replies/229858
HTTP::payload rechunk - | DevCentral
httppayloaddevcentral