[FFmpeg-devel] [PATCH] AAC: type puns for 16 bit floating point rounding

David DeHaven dave
Tue Dec 9 21:35:32 CET 2008

>>> Can someone test it on PPC?
>> Please tell me what I have to do, what kind of sample, what
>> commandline, with what patch, and I'll do it on my PPC970.
> The patch is at the beginning of the thread.
> Grab:
> http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_IEC_14496-4_2004_Conformance_Testing/audio_conformance/mpeg4audio-conformance/compressedMp4/am01_48.mp4
> or some other am* file from there, though not am02* as there's a known
> bug with those at the moment.
> You can benchmark with something like:
> time ffmpeg -i am01_48.mp4 -f null /dev/null

If testing on Mac OS X, run at least once disregarding the timing to  
load up the Unified Buffer Cache (both the executable and test media),  
then subsequent runs will run from memory if you have enough available.


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