[FFmpeg-devel] [PATCH] h264 bitstream filter

[Benoit Fouet]

Michael Niedermayer wrote:
> Hi
>
> On Tue, Sep 04, 2007 at 02:35:01PM +0200, Benoit Fouet wrote:
>   
>> 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 ?
>>     
>
> it should receive frames but it would be best if it would work with
> both frames as well as nal units ...
>
>   

that means input has to be parsed, or ?
is there such a parser ?

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