shithub: dav1d

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Make allocation of frame_thread.pal aligned

Allows aligned accesses to this array in SIMD. Fixes #246.

--- a/src/decode.c

+++ b/src/decode.c

@@ -2700,11 +2700,12 @@

             freep(&f->frame_thread.cbi);

             dav1d_freep_aligned(&f->frame_thread.cf);

             dav1d_freep_aligned(&f->frame_thread.pal_idx);

-            freep(&f->frame_thread.pal);

+            dav1d_freep_aligned(&f->frame_thread.pal);

             f->frame_thread.b = malloc(sizeof(*f->frame_thread.b) *

                                        f->sb128w * f->sb128h * 32 * 32);

-            f->frame_thread.pal = malloc(sizeof(*f->frame_thread.pal) *

-                                         f->sb128w * f->sb128h * 16 * 16);

+            f->frame_thread.pal =

+                dav1d_alloc_aligned(sizeof(*f->frame_thread.pal) *

+                                    f->sb128w * f->sb128h * 16 * 16, 32);

             f->frame_thread.pal_idx =

                 dav1d_alloc_aligned(sizeof(*f->frame_thread.pal_idx) *

                                     f->sb128w * f->sb128h * 128 * 128 * 2, 32);

--- a/src/lib.c

+++ b/src/lib.c

@@ -458,7 +458,7 @@

             dav1d_freep_aligned(&f->frame_thread.pal_idx);

             dav1d_freep_aligned(&f->frame_thread.cf);

             freep(&f->frame_thread.tile_start_off);

-            freep(&f->frame_thread.pal);

+            dav1d_freep_aligned(&f->frame_thread.pal);

             freep(&f->frame_thread.cbi);

             pthread_mutex_destroy(&f->frame_thread.td.lock);

             pthread_cond_destroy(&f->frame_thread.td.cond);