Reusing existing mem_{get, put}_be32() functions.

Change-Id: Iba128039534e16a6e0a8cfe7e58306c4655e9f0d

libs.mk

@@ -164,6 +164,8 @@ endif
 CODEC_SRCS-$(BUILD_LIBVPX) += build/make/version.sh
 CODEC_SRCS-$(BUILD_LIBVPX) += build/make/rtcd.sh
 CODEC_SRCS-$(BUILD_LIBVPX) += vpx_ports/emmintrin_compat.h
+CODEC_SRCS-$(BUILD_LIBVPX) += vpx_ports/mem_ops.h
+CODEC_SRCS-$(BUILD_LIBVPX) += vpx_ports/mem_ops_aligned.h
 CODEC_SRCS-$(BUILD_LIBVPX) += vpx_ports/vpx_once.h
 CODEC_SRCS-$(BUILD_LIBVPX) += $(BUILD_PFX)vpx_config.c
 INSTALL-SRCS-no += $(BUILD_PFX)vpx_config.c

vp9/decoder/vp9_decodeframe.c

@@ -15,6 +15,7 @@
 #include "./vpx_scale_rtcd.h"
 
 #include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem_ops.h"
 #include "vpx_scale/vpx_scale.h"
 
 #include "vp9/common/vp9_alloccommon.h"
@@ -39,10 +40,6 @@
 #include "vp9/decoder/vp9_reader.h"
 #include "vp9/decoder/vp9_thread.h"
 
-static int read_be32(const uint8_t *p) {
-  return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
-}
-
 static int is_compound_reference_allowed(const VP9_COMMON *cm) {
   int i;
   for (i = 1; i < REFS_PER_FRAME; ++i)
@@ -837,7 +834,7 @@ static size_t get_tile(const uint8_t *const data_end,
       vpx_internal_error(error_info, VPX_CODEC_CORRUPT_FRAME,
                          "Truncated packet or corrupt tile length");
 
-    size = read_be32(*data);
+    size = mem_get_be32(*data);
     *data += 4;
 
     if (size > (size_t)(data_end - *data))

vp9/encoder/vp9_bitstream.c

@@ -14,6 +14,7 @@
 
 #include "vpx/vpx_encoder.h"
 #include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem_ops.h"
 
 #include "vp9/common/vp9_entropymode.h"
 #include "vp9/common/vp9_entropymv.h"
@@ -61,13 +62,6 @@ static void write_inter_mode(vp9_writer *w, MB_PREDICTION_MODE mode,
                   &inter_mode_encodings[INTER_OFFSET(mode)]);
 }
 
-static INLINE void write_be32(uint8_t *p, int value) {
-  p[0] = value >> 24;
-  p[1] = value >> 16;
-  p[2] = value >> 8;
-  p[3] = value;
-}
-
 void vp9_encode_unsigned_max(struct vp9_write_bit_buffer *wb,
                              int data, int max) {
   vp9_wb_write_literal(wb, data, get_unsigned_bits(max));
@@ -1007,7 +1001,7 @@ static size_t encode_tiles(VP9_COMP *cpi, uint8_t *data_ptr) {
       vp9_stop_encode(&residual_bc);
       if (tile_col < tile_cols - 1 || tile_row < tile_rows - 1) {
         // size of this tile
-        write_be32(data_ptr + total_size, residual_bc.pos);
+        mem_put_be32(data_ptr + total_size, residual_bc.pos);
         total_size += 4;
       }