[FFmpeg-devel] [PATCH] h264 bitstream filter

Benoit Fouet benoit.fouet
Tue Sep 4 14:35:01 CEST 2007


Michael Niedermayer wrote:
> Hi
>
> On Tue, Sep 04, 2007 at 09:10:43AM +0200, Benoit Fouet wrote:
>   
>> Loren Merritt wrote:
>>     
>>> On Mon, 3 Sep 2007, Trent Piepho wrote:
>>>
>>>   
>>>       
>>>> In the standard, it says stuff like:
>>>>
>>>> "Annex B \n Byte stream format"
>>>> "B.1 Byte stream NAL unit syntax and semantics"
>>>> "B.2 Byte stream NAL unit decoding process"
>>>>
>>>> That phase "Byte stream NAL unit" is used over and over.  So maybe
>>>> something like bsnal or bsNAL?
>>>>     
>>>>         
>>> "Byte stream NAL unit" is a specific piece of the format. "Annex B byte 
>>> stream" is the name of the format as a whole, which I would abbreviate 
>>> "Annex B".
>>>
>>>   
>>>       
>> updated patch attached, which also takes advantage of the brand new
>> close filter function :)
>>     
>
> doesnt the code miss reformating slices and other multiple nal units
> per frame?
>
>   

i was thinking that the filter received nal units, not frames.
am i wrong ?

-- 
Ben
Purple Labs S.A.
www.purplelabs.com




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