[MPlayer-cvslog] r33811 - trunk/libaf/af_format.c

[Reimar Döffinger]

On 5 Jul 2011, at 00:24, iive <subversion at mplayerhq.hu> wrote:

> Author: iive
> Date: Tue Jul  5 00:24:52 2011
> New Revision: 33811
> 
> Log:
> Audio format conversion from float to int is not checked for overflow.
> The float may be slightly off the [-1;1] range thus causing audible
> crackling noise.
> 
> Add proper clipping using av_clip functions.

That is not all you did.
You changed the multipliers, you added a use of ldexp for half the cases and you made the code throw away up to 8 bit precision when converting to int (for files decoding to float in the range [-1/256;1/256]).
Also float mantissa has 24 bits precision not 23.
>