On Windows, there's: ffmpeg/mencoder (vo-aacenc/faac*/fffmpegs own aac**), NeroAacEnc***, qaac****, FhgAacEnc*****
On Linux, there's: ffmpeg/mencoder (vo-aacenc/faac*/fffmpegs own aac**), NeroAacEnc***
But what's available on mac?
I know that ffmpeg/mencoder (vo-aacenc/faac*/fffmpegs own aac**) are available, but are there others?
I stumbled over xld which seems to support (like qaac) aac encoding through quicktime, but it seems like it does not support input via stdin.
=> Does anyone know some additional command line encoders that:
a. support input via stdin
b. runs on mac
Ps.: afconvert looks promising, anyone know a link to some good documentation for afconvert preferable with some examples regarding encoding piped input (via stdin) to he-aac?
* afaik license forbids to distribute it, when statically linked (aac lc only)
** alpha state, bad quality compared to the rest (aac lc only)
*** license forbids redistribution
**** requires 'Apple Application Support' (comes with itunes&co but is also available separately)
***** requires FHGs encoder libraries that come with WinAmp
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Last edited by Selur; 20th May 2012 at 08:26.
can do most things with audio
on 10.6 and later the command line tool pcastaction is a CLI for podcast/quicktime stuff
pcastaction help encode gives this
pcastaction help encode > ~/desktop/pcastaction_encode
Podcast Producer action task, version 2.0
Copyright 2007 Apple, Inc.
encode: transforms the input file to the output file with the specified encoder
usage: encode --prb=PRB --input=INPUT --output=OUTPUT --encoder=ENCODER
the available encoders are:
i'm guessing one of the ipod ones is aac!
hope this helps
Hmm,.. the sox I have doesn't have these an ipod_audio encoder,.. but I'll look into the pcastaction thing,..
hmm sox doesn't seem to do too well with m4a (which would be the aac option I think) try it on yours Selur with an output as something.m4a
another alternative is qt_tools
which gets you command line access to quicktime
once installed you get qt_export as a command line tool
qt_export /Users/jamie/torvalds.wav --video=0 --audio=mp4a,44100,16,2 --datarate=256 ~/desktop/torvalds.m4a
the above command takes a wav and makes a 44.1kHz 16bit 2 channel aac file and outputs it on the dektop
Thanks! looks promising, but can it handle input from stdin?Will check tomorrow,.. (have to go to bed now,.. )