[Libav-user] Converting PCM to AAC

Oosman Saeed oosman3 at yahoo.com
Wed Sep 28 20:44:03 EEST 2016

Thank you Carl. I will change it to FLTP and try it out. 
I am using mono sound, not stereo. Does it matter if its FLT or FLTP?

      From: Carl Eugen Hoyos <ceffmpeg at gmail.com>
 To: "This list is about using libavcodec, libavformat, libavutil, libavdevice and libavfilter." <libav-user at ffmpeg.org> 
 Sent: Wednesday, September 28, 2016 10:24 AM
 Subject: Re: [Libav-user] Converting PCM to AAC
2016-09-28 6:49 GMT+02:00 Oosman Saeed <oosman3-at-yahoo.com at ffmpeg.org>:

> I have PCM data that I converted to FLT and I am trying to encode
> that to AAC.

FFmpeg's native aac encoder does not accept AV_SAMPLE_FMT_FLT as
input, it has to be AV_SAMPLE_FMT_FLTP (planar intead of packed).

Also note that this describes the current implementation, codecs may
(and have in the past) change their sample_fmts: You should always
check in your code and convert into the format the encoder needs.

Carl Eugen
Libav-user mailing list
Libav-user at ffmpeg.org

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