libvpx: Pull from upstream

source/libvpx/build/make/Android.mk

 ##
 ##  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
 ##
 ##  Use of this source code is governed by a BSD-style license
 ##  that can be found in the LICENSE file in the root of the source
 ##  tree. An additional intellectual property rights grant can be found
 ##  in the file PATENTS.  All contributing project authors may
 ##  be found in the AUTHORS file in the root of the source tree.
 ##
 
@@ skipping 117 matching lines @@
 TGT_ISA:=$(word 1, $(subst -, ,$(TOOLCHAIN)))
 target := libs
 
 LOCAL_SRC_FILES += vpx_config.c
 
 # Remove duplicate entries
 CODEC_SRCS_UNIQUE = $(sort $(CODEC_SRCS))
 
 # Pull out C files.  vpx_config.c is in the immediate directory and
 # so it does not need libvpx/ prefixed like the rest of the source files.
+# The neon files with intrinsics need to have .neon appended so the proper
+# flags are applied.
 CODEC_SRCS_C = $(filter %.c, $(CODEC_SRCS_UNIQUE))
-LOCAL_CODEC_SRCS_C = $(filter-out vpx_config.c, $(CODEC_SRCS_C))
+LOCAL_NEON_SRCS_C = $(filter %_neon.c, $(CODEC_SRCS_C))
+LOCAL_CODEC_SRCS_C = $(filter-out vpx_config.c %_neon.c, $(CODEC_SRCS_C))
 
 LOCAL_SRC_FILES += $(foreach file, $(LOCAL_CODEC_SRCS_C), libvpx/$(file))
+LOCAL_SRC_FILES += $(foreach file, $(LOCAL_NEON_SRCS_C), libvpx/$(file).neon)
 
 # Pull out assembly files, splitting NEON from the rest.  This is
 # done to specify that the NEON assembly files use NEON assembler flags.
 CODEC_SRCS_ASM_ALL = $(filter %.asm.s, $(CODEC_SRCS_UNIQUE))
 CODEC_SRCS_ASM = $(foreach v, \
                  $(CODEC_SRCS_ASM_ALL), \
                  $(if $(findstring neon,$(v)),,$(v)))
 CODEC_SRCS_ASM_ADS2GAS = $(patsubst %.s, \
                          $(ASM_CNV_PATH_LOCAL)/libvpx/%.s, \
                          $(CODEC_SRCS_ASM))
@@ skipping 51 matching lines @@
 
 ifeq ($(CONFIG_VP8_ENCODER), yes)
   $(eval $(call asm_offsets_template,\
     $(ASM_CNV_PATH)/vp8_asm_enc_offsets.asm, \
     $(LIBVPX_PATH)/vp8/encoder/vp8_asm_enc_offsets.c))
 endif
 
 ifeq ($(CONFIG_RUNTIME_CPU_DETECT),yes)
 $(call import-module,cpufeatures)
 endif