shithub: dav1d

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fix hang in dav1d_close() with more than 31 tile threads

Fix 122.

--- a/src/lib.c

+++ b/src/lib.c

@@ -260,7 +260,7 @@

                 t->tile_thread.die = 1;

             }

             pthread_cond_broadcast(&f->tile_thread.cond);

-            while (f->tile_thread.available != (1U << f->n_tc) - 1)

+            while (f->tile_thread.available != ~0ULL >> (64 - f->n_tc))

                 pthread_cond_wait(&f->tile_thread.icond,

                                   &f->tile_thread.lock);

             pthread_mutex_unlock(&f->tile_thread.lock);