shithub: dav1d

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obu: Initialize off_before_idx[0], fix MSVC warning about uninitialized use

MSVC warns that off_before_idx[0] can be unsed uninitialized
in the line "off_before_idx[1] = off_before_idx[0];" further below.

--- a/src/obu.c

+++ b/src/obu.c

@@ -918,6 +918,7 @@

         unsigned off_before[2] = { 0xFFFFFFFF, 0xFFFFFFFF };

         int off_after = -1;

         int off_before_idx[2], off_after_idx;

+        off_before_idx[0] = 0;

         for (int i = 0; i < 7; i++) {

             if (!c->refs[hdr->refidx[i]].p.p.data[0]) return -EINVAL;

             const unsigned refpoc = c->refs[hdr->refidx[i]].p.p.frame_hdr->frame_offset;