[x264-devel] pic_struct / hrd patch

[Alex Giladi]

Trahald,
In case we use cpb=0 only after the first buffering SEI,  what should
be happening in case of a random access point, i.e. starting a
playback from an arbitrary IDR (assuming that we repeat headers in
front of each IDR)?
Alex.

On Sat, Sep 19, 2009 at 10:23 AM, Trahald <wewk584 at gmail.com> wrote:
> Elecard buffer analyser gives the message
>
> "Can't continue the analysis.
>
> The value of cpb_removal_delay equals 0 in the fist access unit of a
> buffering period that does not initialise the HRD. It will ause invalid
> timings of coded picture removal"
>
> On Sat, Sep 12, 2009 at 10:47 PM, Jason Garrett-Glaser
> <darkshikari at gmail.com> wrote:
>>
>> On Sat, Sep 12, 2009 at 7:36 PM, Alex Giladi <alex.giladi at gmail.com>
>> wrote:
>> > All,
>> > The attached patch adds support for buffering and picture timing
>> > SEI's, allowing use of pulldown or/and writing NAL HRD.
>> > The patch borrows a lot from two earlier patches, by Alex Izvorski and
>> > by an unknown author (patch found on x264.nl).
>> > Hope you'll find it useful.
>> > Alex.
>>
>> This patch is probably slightly wrong due to the fact that, like
>> Trahald's, it ignores NAL escape bytes, which do count as part of NAL
>> HRD.
>>
>> I am working on a fix for this.
>>
>> Dark Shikari
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>
>
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