Add various minor refmvs improvements (!1674) · Merge requests · VideoLAN / dav1d · GitLab

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Merged Henrik Gramner requested to merge gramner/dav1d:refmvs_tweaks into master 9 months ago

May 27, 2024
- x86: Eliminate hardcoded struct offsets in refmvs load_tmvs() asm · da2cc781
  Henrik Gramner authored 9 months ago
  
  da2cc781
- refmvs: Consolidate r and rp_proj allocations · 26a2744e
  Henrik Gramner authored 9 months ago
```
The conditions for when to (re)allocate those buffers are identical,
so they can be merged into a single branch.

The allocation of the buffers themselves can also be combined to
reduce the number of allocation calls.
```
  26a2744e
- refmvs: Remove dav1d_refmvs_init() · 54801d07
  Henrik Gramner authored 9 months ago
```
It's only ever called on data which has already been zero-initialized.
```
  54801d07
- refmvs: Simplify 2-pass logic · 89a200c8
  Henrik Gramner authored 9 months ago
```
n_tc is always >= n_fc, so we only need to check the latter.
```
  89a200c8

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