[Ffmpeg-devel] aac adts input

Måns Rullgård mru
Tue Aug 9 08:46:00 CEST 2005

Justin Ruggles said:
> Hello,
> I have a question regarding aac audio input that is in ADTS format
> rather than MP4 container.  FAAC can create it either way, but FFmpeg
> only seems to support the mp4 container from what I can determine.
> MPlayer, mp4creator (mpeg4ip), and faad all support the ADTS variety.
> Am I missing something?  If not, would it be a simple patch to add support?

The ADTS format is similar to MPEG1 audio, so supporting it should be fairly
easy.  Patches are always welcome.

> As an odd side note, I have an aac audio clip with samplerate 22050 Hz,
> and FFplay is playing it at half-speed.  FFplay reports the correct
> samplerate...it just sounds funny.  When muxed into mp4 with video, it
> plays both the audio & video at half-speed.  It plays correctly in
> MPlayer and with faad.

Upload it to mplayerhq.hu.

M?ns Rullg?rd
mru at inprovide.com

More information about the ffmpeg-devel mailing list