[Mp4-tech] Colocated Params in H.264

[Harshit Tiwari]

Hello Folks,
I am trying to understand the compute_colocated function in JM 13.2
reference software for H.264. Some of the things are not clear to me:
1. The field mv & ref_idx information can be computed within this function
itself. Is it too much of a computational overhead to do it every slice
rather than once per decoded image ? It is also dependent on how frequently
FRM-FLD or FLD-FRM referencing is used.
2. The flow for direct_8x8_inference_flag is not that clear in the function.
Can it not be done after computing the colocated params? in a separate
function for better clarity may be ?
Please let me know if I have misunderstood something.
Thanks in advance
-Harshit
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