[Ffmpeg-devel] AMR narrowband decode broken

Måns Rullgård mans
Mon Feb 19 23:44:39 CET 2007

Michael Niedermayer <michaelni at gmx.at> writes:

> Hi
> On Mon, Feb 19, 2007 at 02:41:54PM +0100, Erik Leerkes wrote:
>> I am trying to decode a 3gp file containing amr narrowband audio. I am
>> encoding to a wav file.  (ffmpeg -i sample_50kbit.3gp sample_50kbit.wav)


>> Using both together is no longer allowed (--enable-amr_nb_fixed
>> -enable-amr_nb) and is refused by configure. 
>> Earlier versions of ffmpeg (before august 30 2006) did not have
>> this problem. However, in these versions it only worked if the
>> configuration is using both the fixed and the float version!
>> (--enable-amr_nb -enable-amr_nb-fixed).
> i dont think float+fixed was supported, rather that one was disabled
> behind your back, if thats the case you should identify which worked
> and do a binary search in svn versions to find out when that version
> broke

That's correct.  It would silently choose the last one specified on
the command line.  I changed it to alert users that they're not
getting what they ask for.

M?ns Rullg?rd
mans at mansr.com

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