[FFmpeg-devel] [PATCH] AAC decoder

Benjamin Larsson banan
Wed Apr 2 10:51:28 CEST 2008


Nico Sabbi wrote:
> On Wednesday 02 April 2008 10:37:42 Baptiste Coudurier wrote:
>   
>> Hi,
>>
>> Nico Sabbi wrote:
>>     
>>> On Wednesday 02 April 2008 08:08:40 Andreas ?man wrote:
>>>       
>>>> Steven Ellis wrote:
>>>>         
>>>>> On Wed, April 2, 2008 02:56, Andreas ?man wrote:
>>>>>           
>>>>>> Andreas ?man wrote:
>>>>>>             
>>>>>>> Hi
>>>>>>>
>>>>>>> Here is the AAC decodoer from the soc repo.
>>>>>>>               
>>>>>> .. and here is an updated version with mpeg4audio.[ch] stuff.
>>>>>>             
>>>>> Any chance this will handle the LATM encapsulated AAC audio
>>>>> that you can get in DVB broadcasts?
>>>>>           
>>>> Nope, I believe that should be added in the AAC parser.
>>>>         
>>> in mplayer's libfaad there's already the necessary LATM Parser,
>>> although in a reasonably simplified version (only the 2 most
>>> common situations are handled)
>>>       
>> Is LATM prefered over ADTS in DVB ? Why is that ?
>>     
>
> I wouldn't say it's preferred, also because being LATM a bitstream
> syntax brain-farted to carry multiple streams it doesn't make the 
> slighest sense in mpeg-ts.
> It's one more of the possible syntaxes allowed to carry AAC, and
> the worst of all if you ask me, but still it's used in Norway and New
> Zealand.
>   

No reason to not support it though :)

MvH
Benjamin Larsson







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