[FFmpeg-soc] AAC LTP and SSR

[Mike Melanson]

Andreas Öman wrote:
> Mike Melanson wrote:
>> I like #2. Do you know of any AAC samples that use the LTP and SSR
>> modes? I have been looking at the nearly 600 samples in the AAC
>> conformance suite but I don't know how to feed them into FFmpeg yet.
> 
> Hmm? Those are .mp4-files so it should be playable right away (it is
> for me at least)
> 
> If you are referring to the samples @
> 
> http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_IEC_14496-4_2004_Conformance_Testing/audio_conformance/mpeg4audio-conformance/compressedMp4/

Hmm, this is a slightly different suite. The suite I have is all
compressed in either adif or adts format.

> There are some doc-files nearby, in particular
> 
> http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_IEC_14496-4_2004_Conformance_Testing/audio_conformance/mpeg4audio-conformance/doc/fileNameConventions.html
> 
> mentions which files have what type of extensions.
> 
> I've only been testing with the AAC LC samples at 48kHz (al??_48.mp4)
> That was enough initially :-)

At least we can't claim that there are no samples that flex other
features. Though I agree that LC is top priority.

-- 
	-Mike Melanson