Hi,

2011/9/8 Bian, Jonathan <[email protected]>:

> BTW, could we add an entropy_coding_mode_flag to the older API supporting 
> Main profile? It seems the PVR driver can also support CABAC but there is no 
> way to enable it through the API.
>
>>> I don't believe that the existing PVR driver supports CABAC for encoding. 
>>> Also the set of the tools used by Main profile is largely the same as High 
>>> profile so it probably makes more sense to have *Ext structure cover both 
>>> Main and High profiles.

Well, I don't have the specs, but I can see that the PVR driver
maintains an ECMF flag but set by default to zero. :) Anyway, you are
right, main profile would belong more to a high profile structure with
inferred values set or implicitly ignored than to the baseline
profile. The latter supports features not available in the former set.

In this case, I think we could rename the non-Ext structs to
*H264Baseline and the Ext ones to the original names + add size checks
to determine them through a unique buffer id. WDYT?

Regards,
Gwenole.
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