[FFmpeg-devel] [PATCH] AAC: [PATCH] AAC: Add support for 7350Hz sampling rates

[Claudio Freire]

On Fri, Mar 13, 2015 at 3:06 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> On Fri, Mar 13, 2015 at 02:34:08PM -0300, Claudio Freire wrote:
>> On Fri, Mar 13, 2015 at 12:39 PM, Nedeljko Babic
>> <Nedeljko.Babic at imgtec.com> wrote:
>> >> btw, i use the qemu from https://github.com/ssvb/QEMU.git
>> >> for mips as it at least years ago supported more extensions, i
>> >> would have guessed these where merged into main qemu but as you list
>> >> all the disables in the wiki, maybe i was guessing wrong
>> >
>> > I can confirm that main qemu supports both fpu and dspr1/dspr2 extension.
>> > Appropriate cpu model needs to be selected in order for the extension to be available.
>> > 74Kf supports all extensions, so adding "-cpu 74Kf" in "--target-exec" should enable fpu, dspr1 and dspr2 extensions.
>>
>> As I was building on a more complete reply, the problem I have is with
>> the glibc, which is built with the soft float ABI.
>>
>
>> As soon as I finish all the tests (they take a while) I'll post more
>
> they really shouldnt take much time
>
> a build (with ccache) should be quite fast and you only need to test
> make -j<num> fate-aac-s7350-encode
>
> can it be that theres some float rounding somewhere that leads to a
> different decission that causes this ?

Soft float is slow, add emulation and it's worse. The build is fast
enough, it's the tests the ones that are slow.

I'm going to try adding a hard-float version of the glibc in
opensuse's build service.

But first I want to get the patch that fixes mips tests verified.