Re: [FFmpeg-devel] Adding libspeexdsp's AEC to FFmpeg.

2018-09-05 Thread Arseniy Skvortsov
Paul B Mahol писал(а) в своём письме Tue, 04 Sep 2018 10:45:22 +0300: On 9/4/18, Arseniy Skvortsov wrote: I'm trying to add AEC from libspeexdsp to libavfilter. Try with input as files, not streams. Tried this way: play some file while recording from mic. Then pass recording

Re: [FFmpeg-devel] Adding libspeexdsp's AEC to FFmpeg.

2018-09-04 Thread Arseniy Skvortsov
Paul B Mahol писал(а) в своём письме Tue, 04 Sep 2018 10:45:22 +0300: Try with input as files, not streams. I'm afraid, this won't work. Filter is 'adaptive' meaning it's 'learning' the 'impulse response function' (again, not sure about the term) of the room basing on how well it's

[FFmpeg-devel] Adding libspeexdsp's AEC to FFmpeg.

2018-09-04 Thread Arseniy Skvortsov
Hello, I'm trying to add AEC from libspeexdsp to libavfilter. Target use case: two Android smartphones recording audio, transmitting it with RTP to some processor, which cancels echo, adds a delay to sync with another video stream, mixes with music and outputs to a stereo system. First

Re: [FFmpeg-devel] Adding libspeexdsp's AEC to FFmpeg.

2018-09-04 Thread Arseniy Skvortsov
Arseniy Skvortsov писал(а) в своём письме Tue, 04 Sep 2018 10:09:22 +0300: I'm trying to add AEC from libspeexdsp to libavfilter. Sorry, here are the same files with proper mimetypes.LD_LIBRARY_PATH=./ ./ffmpeg -loglevel 60 -f alsa -ac 1 -i 'front:CARD=C615,DEV=0' -filter_complex '[0:0