[FFmpeg-devel] [PATCH] HE-AAC v1 decoder try 4
Thu Feb 25 04:31:43 CET 2010
On Wed, Feb 24, 2010 at 9:20 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> On Wed, Feb 24, 2010 at 07:36:53PM -0500, Alex Converse wrote:
>> On Tue, Feb 16, 2010 at 6:19 PM, Alex Converse <alex.converse at gmail.com> wrote:
>> > On Tue, Feb 16, 2010 at 6:01 PM, Alex Converse <alex.converse at gmail.com>
>> > wrote:
>> >> Notes:
>> >> *All the computation time is spent in ff_sbr_apply() and it's
>> >> children. If it isn't called from ff_sbr_apply() making it 100% faster
>> >> isn't going to buy us anything.
>> >> *Right now the synthesis filterbank is written on top on an MDCT. With
>> >> appropriate SIMD functions it may make sense to move it to an FFT.
>> >> Right now the MDCT version is much faster.
>> >> *SIMD placeholder patch not included
>> > Wrong patch.
>> > try 4.1 :)
>> Since the last patch I beat on the decoder with the zzuf hammer and
>> fixed a few minor things as well as addressing the feeback I've seen
>> in this thread.
>> So I'm trying to figure out where we stand on this:
>> *Does the ffplay issue block this?
> what ffplay issue?
The sample rate gets set late and ffplay winds up playing back at its
default sample rate, as discovered by Vlad earlier in this thread.
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