[Mp4-tech] Annex b format

[Albert Lee]

Each NAL unit has one SCP and may also contain an additional zero_byte
syntax element.
So the first nal unit may start with 0x000001 or 0x00000001 or (one or more
leading_zero_8bits)+0x000001.
And when 0x00000001 is between two nal units, the first 0x00 may be a
leading_zero_8bits of the 2nd nal unit or a trailing_zero_8bits of the 1st
nal unit.
Albert
On 2/12/08, Muneeb Dawood <muneebel yahoo.com> wrote:
>
> Hi
>
> I have analyzed the h.264 bitstream and the bitstream starts with byte
> values of 0 0 0 and 1.
> also these bit patterns are before the start of each nal unit. however in
> the standard it says that the start code prefix are 3 bytes of values 0 0
> and 1 in the annex b format. Could anyone explain the reason for this
> incompatibility.. Thanks
>
> Best Regards
>
> Muneeb
>
>
> Muneeb
>
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