[FFmpeg-devel] [PATCH] convert to S16 when resampling is requested
Wed Feb 4 10:13:35 CET 2009
Marc Mason wrote:
> Michael Niedermayer wrote:
>> David DeHaven wrote:
>>> Ideally, the resampling should be part of the converter.
>> exactly, that was what I suggested ages ago (that is do it like swscale)
>> sadly no one implemented it :(
> As far as I understand, re-sampling and re-quantizing are not trivial
> operations in the general case, or am I mistaken?
> For example, converting from signed 16-bits samples @ 48 kHz to [-1,1]
> float samples @ 44.1 kHz
> Several "buzz words" spring to mind, such as interpolation, dithering,
> anti-aliasing, noise shaping, etc.
Am I mistaken?
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