shithub: libvpx

Info  •  Files  •  Log  •  Branches

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

--- a/vp9/encoder/vp9_ethread.c

+++ b/vp9/encoder/vp9_ethread.c

@@ -183,7 +183,9 @@

       // 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;