Align thread data in vp9_ethread

On some platforms, such as 32bit Windows and 32bit Mac, the allocated
memory isn't aligned automatically. The thread data is aligned to
ensure the correct access in SIMD code.

Change-Id: I1108c145fe982ddbd3d9324952758297120e4806

diff --git a/vp9/encoder/vp9_ethread.c b/vp9/encoder/vp9_ethread.c
index daf3da4..9ee3236 100644 (file)
--- a/vp9/encoder/vp9_ethread.c
+++ b/vp9/encoder/vp9_ethread.c
@@ -183,7 +183,9 @@ void vp9_encode_tiles_mt(VP9_COMP *cpi) {
 
       // Allocate thread data.
       CHECK_MEM_ERROR(cm, thread_data->td,
-                      vpx_calloc(1, sizeof(*thread_data->td)));
+                      vpx_memalign(32, sizeof(*thread_data->td)));
+      vp9_zero(*thread_data->td);
+
       // Set up pc_tree.
       thread_data->td->leaf_tree = NULL;
       thread_data->td->pc_tree = NULL;