[x264-devel] Regarding frame boundaries in streaming applications.

[mahesh k]

Let me know whether This streaming applications will come under base lline
profile or extended profile.

thanks n regards,
Mahesh.

On 7/5/07, Loïc Le Loarer <lll+vlc at m4x.org> wrote:
>
> Le jeudi 05 juillet 2007 à 09:35:35 +0530, mahesh k a écrit:
> > Hi all,
> >
> > Can any one plz tell me whether the syntax specified in Annex B from
> > standard is suitable for streaming applications.
>
> Of course, not having this feature would render H.264 unusable for many
> applications like IPTV which it has been designed for.
>
> > Also let me know how to identify the frame boundaries in streaming
> > applications (in the sense that there is no need to give the encoded
> frame
> > lengths as input to the decoder.
>
> Read chapter "7.4.1.2.4 Detection of the first VCL NAL unit of a primary
> coded picture", and Annex B. Read also "D.2.7 Recovery point SEI message
> semantics" because with IDR, recovery point are the only official entry
> points in a H.264 stream (an entry point is a frame at which you can
> start decoding correctly the stream).
>
> > Also let me know the difference between end of seuence NAL unit and  end
> > of stream NAL unit.
>
> As its name indicate, "end of sequence" is only the end of a sequence,
> which can be followed by a new sequence in the same stream. While end of
> file can occur only once in a file.
>
> There is much information on the web about H.264 and video decoding in
> general which can answer this kind on questions. You should read at
> least the wikipedia H.264 entry http://en.wikipedia.org/wiki/H.264.
> You could also read the Annexe D of MPEG-1 norm
> http://www.csie.ntu.edu.tw/~b90013/ejection/course/4down/11172-2.pdf
> it is very informative about general video encoding/decoding.
>
> Best regards.
>
> --
> Loïc
>
> "heaven is not a place, it's a feeling"
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>
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