Carl Eugen Hoyos wrote:
2017-10-31 15:54 GMT+01:00 Andy Furniss <adf.lists@gmail.com>:
Sometime this year I thought I saw mention of ffmpeg and a LATM standalone demuxer.
I committed it six years ago. (The technical name of the file format is "loas", "latm" is one of the things you can put into loas.)
Your question was possibly: "Why does fdk not decode latm?" The answer is related to a decision FFmpeg developers made long ago (they knew it wasn't a very good idea), not implementing a bitstream filter that converts latm to aac and allowing to decode the result with any aac decoder but instead implementing an assigned latm decoder that cannot be replaced so easily.
OK, thanks for the info. FWIW I eventually found the "mention of ffmpeg and LATM" that I referred to. It was in a devel mail suggesting some possible gsoc 2017 qualification tasks, one of which was a -bsf for LATM. I guess it wasn't actually used/taken.
Carl Eugen
PS: Concerning "clean-up": Instead of fixing issues like the above, known for nearly a decade, for example configure was changed so that on some systems, building takes (literally!) hours instead of minutes now.
Oh, nasty, it always did/does seem a bit long, but then not seeing stuff scrolling past may make the wait seem longer.