[FFmpeg-devel] [PATCH] h264 bitstream filter

Michael Niedermayer michaelni
Tue Sep 4 14:37:56 CEST 2007


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 ...

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Why not whip the teacher when the pupil misbehaves? -- Diogenes of Sinope
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