[FFmpeg-user] How to convert 48000/2/FLOATLE AC3 to 48000/2/S16LE MP3

[Paul B Mahol]

On 10/8/13, Rene Herman <rene.herman at gmail.com> wrote:
> On 09-10-13 01:38, Carl Eugen Hoyos wrote:
>
>> Rene Herman <rene.herman <at> gmail.com> writes:
>>
>>> It's just that the target does not support mp3float
>>
>> Sorry for being unclear before:
>> There is no mp3float FORMAT.
>> There is just mp3, this is what lame outputs, and
>> it outputs mp3 no matter if the input was s16, s32
>> or float.
>>
>> There is a mp3float DECODER in FFmpeg which outputs
>> float (that is what you see with MPlayer by default
>> because it is fastest), there is also a mp3 decoder
>> which outputs s16, you can use it with:
>> mplayer -ac ffmp3
>
> Ah. Thanks much for clearing that up.... It seems, then, that the answer
> to my problem could in fact be that I don't actually have a problem.
> I'll not complain about that.
>
> (the target-hardware bombed out on, an earlier attempt at, this same
> transcode and once I noticed this supposedly new-fangled "floating point
> mp3" format I assumed that must have been it, so I wanted to get it to
> standard mp3 before I reshared it with target-owner; but it seems that
> if it in fact still has a problem, I'll have to go look elsewhere)

mp3float decoder outputs float sample format.

mp3 decoder outputs s16/s16p sample format.

>
>> So your target simply can neither support nor not
>> support mp3float, it either supports mp3 or does
>> not support it (but it doesn't matter what you
>> feed the encoder with, it can only output mp3).
>
> Regards,
> Rene
>
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