Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 591 insertions, 0 deletions

diff --git a/third_party/aom/libs.mk b/third_party/aom/libs.mk
new file mode 100644
index 000000000..4f2e5cab5
--- /dev/null
+++ b/third_party/aom/libs.mk
@@ -0,0 +1,591 @@
+##
+## Copyright (c) 2016, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+
+
+# ARM assembly files are written in RVCT-style. We use some make magic to
+# filter those files to allow GCC compilation
+ifeq ($(ARCH_ARM),yes)
+  ASM:=$(if $(filter yes,$(CONFIG_GCC)$(CONFIG_MSVS)),.asm.s,.asm)
+else
+  ASM:=.asm
+endif
+
+#
+# Rule to generate runtime cpu detection files
+#
+define rtcd_h_template
+$$(BUILD_PFX)$(1).h: $$(SRC_PATH_BARE)/$(2)
+	@echo "    [CREATE] $$@"
+	$$(qexec)$$(SRC_PATH_BARE)/build/make/rtcd.pl --arch=$$(TGT_ISA) \
+          --sym=$(1) \
+          --config=$$(CONFIG_DIR)$$(target)-$$(TOOLCHAIN).mk \
+          $$(RTCD_OPTIONS) $$^ > $$@
+CLEAN-OBJS += $$(BUILD_PFX)$(1).h
+RTCD += $$(BUILD_PFX)$(1).h
+endef
+
+CODEC_SRCS-yes += CHANGELOG
+CODEC_SRCS-yes += libs.mk
+
+include $(SRC_PATH_BARE)/aom/aom_codec.mk
+CODEC_SRCS-yes += $(addprefix aom/,$(call enabled,API_SRCS))
+CODEC_DOC_SRCS += $(addprefix aom/,$(call enabled,API_DOC_SRCS))
+
+include $(SRC_PATH_BARE)/aom_mem/aom_mem.mk
+CODEC_SRCS-yes += $(addprefix aom_mem/,$(call enabled,MEM_SRCS))
+
+include $(SRC_PATH_BARE)/aom_scale/aom_scale.mk
+CODEC_SRCS-yes += $(addprefix aom_scale/,$(call enabled,SCALE_SRCS))
+
+include $(SRC_PATH_BARE)/aom_ports/aom_ports.mk
+CODEC_SRCS-yes += $(addprefix aom_ports/,$(call enabled,PORTS_SRCS))
+
+include $(SRC_PATH_BARE)/aom_dsp/aom_dsp.mk
+CODEC_SRCS-yes += $(addprefix aom_dsp/,$(call enabled,DSP_SRCS))
+
+include $(SRC_PATH_BARE)/aom_util/aom_util.mk
+CODEC_SRCS-yes += $(addprefix aom_util/,$(call enabled,UTIL_SRCS))
+
+#  AV1 make file
+ifeq ($(CONFIG_AV1),yes)
+  AV1_PREFIX=av1/
+  include $(SRC_PATH_BARE)/$(AV1_PREFIX)av1_common.mk
+endif
+
+ifeq ($(CONFIG_AV1_ENCODER),yes)
+  AV1_PREFIX=av1/
+  include $(SRC_PATH_BARE)/$(AV1_PREFIX)av1_cx.mk
+  CODEC_SRCS-yes += $(addprefix $(AV1_PREFIX),$(call enabled,AV1_CX_SRCS))
+  CODEC_EXPORTS-yes += $(addprefix $(AV1_PREFIX),$(AV1_CX_EXPORTS))
+  CODEC_SRCS-yes += $(AV1_PREFIX)av1_cx.mk aom/aom.h aom/aomcx.h
+  INSTALL-LIBS-yes += include/aom/aom.h include/aom/aomcx.h
+  INSTALL_MAPS += include/aom/% $(SRC_PATH_BARE)/$(AV1_PREFIX)/%
+  CODEC_DOC_SRCS += aom/aom.h aom/aomcx.h
+  CODEC_DOC_SECTIONS += av1 av1_encoder
+endif
+
+ifeq ($(CONFIG_AV1_DECODER),yes)
+  AV1_PREFIX=av1/
+  include $(SRC_PATH_BARE)/$(AV1_PREFIX)av1_dx.mk
+  CODEC_SRCS-yes += $(addprefix $(AV1_PREFIX),$(call enabled,AV1_DX_SRCS))
+  CODEC_EXPORTS-yes += $(addprefix $(AV1_PREFIX),$(AV1_DX_EXPORTS))
+  CODEC_SRCS-yes += $(AV1_PREFIX)av1_dx.mk aom/aom.h aom/aomdx.h
+  INSTALL-LIBS-yes += include/aom/aom.h include/aom/aomdx.h
+  INSTALL_MAPS += include/aom/% $(SRC_PATH_BARE)/$(AV1_PREFIX)/%
+  CODEC_DOC_SRCS += aom/aom.h aom/aomdx.h
+  CODEC_DOC_SECTIONS += av1 av1_decoder
+endif
+
+AV1_PREFIX=av1/
+$(BUILD_PFX)$(AV1_PREFIX)%.c.o: CFLAGS += -Wextra
+
+ifeq ($(CONFIG_ENCODERS),yes)
+  CODEC_DOC_SECTIONS += encoder
+endif
+ifeq ($(CONFIG_DECODERS),yes)
+  CODEC_DOC_SECTIONS += decoder
+endif
+
+
+ifeq ($(CONFIG_MSVS),yes)
+CODEC_LIB=$(if $(CONFIG_STATIC_MSVCRT),aommt,aommd)
+GTEST_LIB=$(if $(CONFIG_STATIC_MSVCRT),gtestmt,gtestmd)
+# This variable uses deferred expansion intentionally, since the results of
+# $(wildcard) may change during the course of the Make.
+VS_PLATFORMS = $(foreach d,$(wildcard */Release/$(CODEC_LIB).lib),$(word 1,$(subst /, ,$(d))))
+endif
+
+# The following pairs define a mapping of locations in the distribution
+# tree to locations in the source/build trees.
+INSTALL_MAPS += include/aom/% $(SRC_PATH_BARE)/aom/%
+INSTALL_MAPS += include/aom/% $(SRC_PATH_BARE)/aom_ports/%
+INSTALL_MAPS += $(LIBSUBDIR)/%     %
+INSTALL_MAPS += src/%     $(SRC_PATH_BARE)/%
+ifeq ($(CONFIG_MSVS),yes)
+INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/%  $(p)/Release/%)
+INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/%  $(p)/Debug/%)
+endif
+
+CODEC_SRCS-yes += build/make/version.sh
+CODEC_SRCS-yes += build/make/rtcd.pl
+CODEC_SRCS-yes += aom_ports/emmintrin_compat.h
+CODEC_SRCS-yes += aom_ports/mem_ops.h
+CODEC_SRCS-yes += aom_ports/mem_ops_aligned.h
+CODEC_SRCS-yes += aom_ports/aom_once.h
+CODEC_SRCS-yes += $(BUILD_PFX)aom_config.c
+INSTALL-SRCS-no += $(BUILD_PFX)aom_config.c
+ifeq ($(ARCH_X86)$(ARCH_X86_64),yes)
+INSTALL-SRCS-$(CONFIG_CODEC_SRCS) += third_party/x86inc/x86inc.asm
+endif
+CODEC_EXPORTS-yes += aom/exports_com
+CODEC_EXPORTS-$(CONFIG_ENCODERS) += aom/exports_enc
+CODEC_EXPORTS-$(CONFIG_DECODERS) += aom/exports_dec
+
+INSTALL-LIBS-yes += include/aom/aom_codec.h
+INSTALL-LIBS-yes += include/aom/aom_frame_buffer.h
+INSTALL-LIBS-yes += include/aom/aom_image.h
+INSTALL-LIBS-yes += include/aom/aom_integer.h
+INSTALL-LIBS-$(CONFIG_DECODERS) += include/aom/aom_decoder.h
+INSTALL-LIBS-$(CONFIG_ENCODERS) += include/aom/aom_encoder.h
+ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
+ifeq ($(CONFIG_MSVS),yes)
+INSTALL-LIBS-yes                  += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/$(CODEC_LIB).lib)
+INSTALL-LIBS-$(CONFIG_DEBUG_LIBS) += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/$(CODEC_LIB)d.lib)
+INSTALL-LIBS-$(CONFIG_SHARED) += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/aom.dll)
+INSTALL-LIBS-$(CONFIG_SHARED) += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/aom.exp)
+endif
+else
+INSTALL-LIBS-$(CONFIG_STATIC) += $(LIBSUBDIR)/libaom.a
+INSTALL-LIBS-$(CONFIG_DEBUG_LIBS) += $(LIBSUBDIR)/libaom_g.a
+endif
+
+CODEC_SRCS=$(call enabled,CODEC_SRCS)
+INSTALL-SRCS-$(CONFIG_CODEC_SRCS) += $(CODEC_SRCS)
+INSTALL-SRCS-$(CONFIG_CODEC_SRCS) += $(call enabled,CODEC_EXPORTS)
+
+
+# Generate a list of all enabled sources, in particular for exporting to gyp
+# based build systems.
+libaom_srcs.txt:
+	@echo "    [CREATE] $@"
+	@echo $(CODEC_SRCS) | xargs -n1 echo | LC_ALL=C sort -u > $@
+CLEAN-OBJS += libaom_srcs.txt
+
+
+ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
+ifeq ($(CONFIG_MSVS),yes)
+
+aom.def: $(call enabled,CODEC_EXPORTS)
+	@echo "    [CREATE] $@"
+	$(qexec)$(SRC_PATH_BARE)/build/make/gen_msvs_def.sh\
+            --name=aom\
+            --out=$@ $^
+CLEAN-OBJS += aom.def
+
+# Assembly files that are included, but don't define symbols themselves.
+# Filtered out to avoid Visual Studio build warnings.
+ASM_INCLUDES := \
+    third_party/x86inc/x86inc.asm \
+    aom_config.asm \
+    aom_ports/x86_abi_support.asm \
+
+aom.$(VCPROJ_SFX): $(CODEC_SRCS) aom.def
+	@echo "    [CREATE] $@"
+	$(qexec)$(GEN_VCPROJ) \
+            $(if $(CONFIG_SHARED),--dll,--lib) \
+            --target=$(TOOLCHAIN) \
+            $(if $(CONFIG_STATIC_MSVCRT),--static-crt) \
+            --name=aom \
+            --proj-guid=DCE19DAF-69AC-46DB-B14A-39F0FAA5DB74 \
+            --module-def=aom.def \
+            --ver=$(CONFIG_VS_VERSION) \
+            --src-path-bare="$(SRC_PATH_BARE)" \
+            --out=$@ $(CFLAGS) \
+            $(filter-out $(addprefix %, $(ASM_INCLUDES)), $^) \
+            --src-path-bare="$(SRC_PATH_BARE)" \
+
+PROJECTS-yes += aom.$(VCPROJ_SFX)
+
+aom.$(VCPROJ_SFX): aom_config.asm
+aom.$(VCPROJ_SFX): $(RTCD)
+
+endif
+else
+LIBAOM_OBJS=$(call objs,$(CODEC_SRCS))
+OBJS-yes += $(LIBAOM_OBJS)
+LIBS-$(if yes,$(CONFIG_STATIC)) += $(BUILD_PFX)libaom.a $(BUILD_PFX)libaom_g.a
+$(BUILD_PFX)libaom_g.a: $(LIBAOM_OBJS)
+
+SO_VERSION_MAJOR := 3
+SO_VERSION_MINOR := 0
+SO_VERSION_PATCH := 0
+ifeq ($(filter darwin%,$(TGT_OS)),$(TGT_OS))
+LIBAOM_SO               := libaom.$(SO_VERSION_MAJOR).dylib
+SHARED_LIB_SUF          := .dylib
+EXPORT_FILE             := libaom.syms
+LIBAOM_SO_SYMLINKS      := $(addprefix $(LIBSUBDIR)/, \
+                             libaom.dylib  )
+else
+ifeq ($(filter iphonesimulator%,$(TGT_OS)),$(TGT_OS))
+LIBAOM_SO               := libaom.$(SO_VERSION_MAJOR).dylib
+SHARED_LIB_SUF          := .dylib
+EXPORT_FILE             := libaom.syms
+LIBAOM_SO_SYMLINKS      := $(addprefix $(LIBSUBDIR)/, libaom.dylib)
+else
+ifeq ($(filter os2%,$(TGT_OS)),$(TGT_OS))
+LIBAOM_SO               := libaom$(SO_VERSION_MAJOR).dll
+SHARED_LIB_SUF          := _dll.a
+EXPORT_FILE             := libaom.def
+LIBAOM_SO_SYMLINKS      :=
+LIBAOM_SO_IMPLIB        := libaom_dll.a
+else
+LIBAOM_SO               := libaom.so.$(SO_VERSION_MAJOR).$(SO_VERSION_MINOR).$(SO_VERSION_PATCH)
+SHARED_LIB_SUF          := .so
+EXPORT_FILE             := libaom.ver
+LIBAOM_SO_SYMLINKS      := $(addprefix $(LIBSUBDIR)/, \
+                             libaom.so libaom.so.$(SO_VERSION_MAJOR) \
+                             libaom.so.$(SO_VERSION_MAJOR).$(SO_VERSION_MINOR))
+endif
+endif
+endif
+
+LIBS-$(CONFIG_SHARED) += $(BUILD_PFX)$(LIBAOM_SO)\
+                           $(notdir $(LIBAOM_SO_SYMLINKS)) \
+                           $(if $(LIBAOM_SO_IMPLIB), $(BUILD_PFX)$(LIBAOM_SO_IMPLIB))
+$(BUILD_PFX)$(LIBAOM_SO): $(LIBAOM_OBJS) $(EXPORT_FILE)
+$(BUILD_PFX)$(LIBAOM_SO): extralibs += -lm
+$(BUILD_PFX)$(LIBAOM_SO): SONAME = libaom.so.$(SO_VERSION_MAJOR)
+$(BUILD_PFX)$(LIBAOM_SO): EXPORTS_FILE = $(EXPORT_FILE)
+
+libaom.ver: $(call enabled,CODEC_EXPORTS)
+	@echo "    [CREATE] $@"
+	$(qexec)echo "{ global:" > $@
+	$(qexec)for f in $?; do awk '{print $$2";"}' < $$f >>$@; done
+	$(qexec)echo "local: *; };" >> $@
+CLEAN-OBJS += libaom.ver
+
+libaom.syms: $(call enabled,CODEC_EXPORTS)
+	@echo "    [CREATE] $@"
+	$(qexec)awk '{print "_"$$2}' $^ >$@
+CLEAN-OBJS += libaom.syms
+
+libaom.def: $(call enabled,CODEC_EXPORTS)
+	@echo "    [CREATE] $@"
+	$(qexec)echo LIBRARY $(LIBAOM_SO:.dll=) INITINSTANCE TERMINSTANCE > $@
+	$(qexec)echo "DATA MULTIPLE NONSHARED" >> $@
+	$(qexec)echo "EXPORTS" >> $@
+	$(qexec)awk '{print "_"$$2}' $^ >>$@
+CLEAN-OBJS += libaom.def
+
+libaom_dll.a: $(LIBAOM_SO)
+	@echo "    [IMPLIB] $@"
+	$(qexec)emximp -o $@ $<
+CLEAN-OBJS += libaom_dll.a
+
+define libaom_symlink_template
+$(1): $(2)
+	@echo "    [LN]     $(2) $$@"
+	$(qexec)mkdir -p $$(dir $$@)
+	$(qexec)ln -sf $(2) $$@
+endef
+
+$(eval $(call libaom_symlink_template,\
+    $(addprefix $(BUILD_PFX),$(notdir $(LIBAOM_SO_SYMLINKS))),\
+    $(BUILD_PFX)$(LIBAOM_SO)))
+$(eval $(call libaom_symlink_template,\
+    $(addprefix $(DIST_DIR)/,$(LIBAOM_SO_SYMLINKS)),\
+    $(LIBAOM_SO)))
+
+
+INSTALL-LIBS-$(CONFIG_SHARED) += $(LIBAOM_SO_SYMLINKS)
+INSTALL-LIBS-$(CONFIG_SHARED) += $(LIBSUBDIR)/$(LIBAOM_SO)
+INSTALL-LIBS-$(CONFIG_SHARED) += $(if $(LIBAOM_SO_IMPLIB),$(LIBSUBDIR)/$(LIBAOM_SO_IMPLIB))
+
+
+LIBS-yes += aom.pc
+aom.pc: config.mk libs.mk
+	@echo "    [CREATE] $@"
+	$(qexec)echo '# pkg-config file from libaom $(VERSION_STRING)' > $@
+	$(qexec)echo 'prefix=$(PREFIX)' >> $@
+	$(qexec)echo 'exec_prefix=$${prefix}' >> $@
+	$(qexec)echo 'libdir=$${prefix}/$(LIBSUBDIR)' >> $@
+	$(qexec)echo 'includedir=$${prefix}/include' >> $@
+	$(qexec)echo '' >> $@
+	$(qexec)echo 'Name: aom' >> $@
+	$(qexec)echo 'Description: WebM Project AVx codec implementation' >> $@
+	$(qexec)echo 'Version: $(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH)' >> $@
+	$(qexec)echo 'Requires:' >> $@
+	$(qexec)echo 'Conflicts:' >> $@
+	$(qexec)echo 'Libs: -L$${libdir} -laom -lm' >> $@
+ifeq ($(HAVE_PTHREAD_H),yes)
+	$(qexec)echo 'Libs.private: -lm -lpthread' >> $@
+else
+	$(qexec)echo 'Libs.private: -lm' >> $@
+endif
+	$(qexec)echo 'Cflags: -I$${includedir}' >> $@
+INSTALL-LIBS-yes += $(LIBSUBDIR)/pkgconfig/aom.pc
+INSTALL_MAPS += $(LIBSUBDIR)/pkgconfig/%.pc %.pc
+CLEAN-OBJS += aom.pc
+endif
+
+#
+# Rule to make assembler configuration file from C configuration file
+#
+ifeq ($(ARCH_X86)$(ARCH_X86_64),yes)
+# YASM
+$(BUILD_PFX)aom_config.asm: $(BUILD_PFX)aom_config.h
+	@echo "    [CREATE] $@"
+	@egrep "#define [A-Z0-9_]+ [01]" $< \
+	    | awk '{print $$2 " equ " $$3}' > $@
+else
+ADS2GAS=$(if $(filter yes,$(CONFIG_GCC)),| $(ASM_CONVERSION))
+$(BUILD_PFX)aom_config.asm: $(BUILD_PFX)aom_config.h
+	@echo "    [CREATE] $@"
+	@egrep "#define [A-Z0-9_]+ [01]" $< \
+	    | awk '{print $$2 " EQU " $$3}' $(ADS2GAS) > $@
+	@echo "        END" $(ADS2GAS) >> $@
+CLEAN-OBJS += $(BUILD_PFX)aom_config.asm
+endif
+
+#
+# Add assembler dependencies for configuration.
+#
+$(filter %.s.o,$(OBJS-yes)):     $(BUILD_PFX)aom_config.asm
+$(filter %$(ASM).o,$(OBJS-yes)): $(BUILD_PFX)aom_config.asm
+
+
+$(shell $(SRC_PATH_BARE)/build/make/version.sh "$(SRC_PATH_BARE)" $(BUILD_PFX)aom_version.h)
+CLEAN-OBJS += $(BUILD_PFX)aom_version.h
+
+#
+# Add include path for libwebm sources.
+#
+ifeq ($(CONFIG_WEBM_IO),yes)
+  CXXFLAGS += -I$(SRC_PATH_BARE)/third_party/libwebm
+endif
+
+##
+## libaom test directives
+##
+ifeq ($(CONFIG_UNIT_TESTS),yes)
+LIBAOM_TEST_DATA_PATH ?= .
+
+include $(SRC_PATH_BARE)/test/test.mk
+LIBAOM_TEST_SRCS=$(addprefix test/,$(call enabled,LIBAOM_TEST_SRCS))
+LIBAOM_TEST_BIN=./test_libaom$(EXE_SFX)
+LIBAOM_TEST_DATA=$(addprefix $(LIBAOM_TEST_DATA_PATH)/,\
+                     $(call enabled,LIBAOM_TEST_DATA))
+libaom_test_data_url=https://storage.googleapis.com/downloads.webmproject.org/test_data/libvpx/$(1)
+
+TEST_INTRA_PRED_SPEED_BIN=./test_intra_pred_speed$(EXE_SFX)
+TEST_INTRA_PRED_SPEED_SRCS=$(addprefix test/,$(call enabled,TEST_INTRA_PRED_SPEED_SRCS))
+TEST_INTRA_PRED_SPEED_OBJS := $(sort $(call objs,$(TEST_INTRA_PRED_SPEED_SRCS)))
+
+libaom_test_srcs.txt:
+	@echo "    [CREATE] $@"
+	@echo $(LIBAOM_TEST_SRCS) | xargs -n1 echo | LC_ALL=C sort -u > $@
+CLEAN-OBJS += libaom_test_srcs.txt
+
+$(LIBAOM_TEST_DATA): $(SRC_PATH_BARE)/test/test-data.sha1
+	@echo "    [DOWNLOAD] $@"
+	$(qexec)trap 'rm -f $@' INT TERM &&\
+            curl -L -o $@ $(call libaom_test_data_url,$(@F))
+
+testdata:: $(LIBAOM_TEST_DATA)
+	$(qexec)[ -x "$$(which sha1sum)" ] && sha1sum=sha1sum;\
+          [ -x "$$(which shasum)" ] && sha1sum=shasum;\
+          [ -x "$$(which sha1)" ] && sha1sum=sha1;\
+          if [ -n "$${sha1sum}" ]; then\
+            set -e;\
+            echo "Checking test data:";\
+            for f in $(call enabled,LIBAOM_TEST_DATA); do\
+                grep $$f $(SRC_PATH_BARE)/test/test-data.sha1 |\
+                    (cd $(LIBAOM_TEST_DATA_PATH); $${sha1sum} -c);\
+            done; \
+        else\
+            echo "Skipping test data integrity check, sha1sum not found.";\
+        fi
+
+ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
+ifeq ($(CONFIG_MSVS),yes)
+gtest.$(VCPROJ_SFX): $(SRC_PATH_BARE)/third_party/googletest/src/googletest/src/gtest-all.cc
+	@echo "    [CREATE] $@"
+	$(qexec)$(GEN_VCPROJ) \
+            --lib \
+            --target=$(TOOLCHAIN) \
+            $(if $(CONFIG_STATIC_MSVCRT),--static-crt) \
+            --name=gtest \
+            --proj-guid=EC00E1EC-AF68-4D92-A255-181690D1C9B1 \
+            --ver=$(CONFIG_VS_VERSION) \
+            --src-path-bare="$(SRC_PATH_BARE)" \
+            -D_VARIADIC_MAX=10 \
+            --out=gtest.$(VCPROJ_SFX) \
+	    $(SRC_PATH_BARE)/third_party/googletest/src/googletest/src/gtest-all.cc \
+            -I. -I"$(SRC_PATH_BARE)/third_party/googletest/src/googletest/include" \
+	    -I"$(SRC_PATH_BARE)/third_party/googletest/src/googletest"
+
+PROJECTS-$(CONFIG_MSVS) += gtest.$(VCPROJ_SFX)
+
+test_libaom.$(VCPROJ_SFX): $(LIBAOM_TEST_SRCS) aom.$(VCPROJ_SFX) gtest.$(VCPROJ_SFX)
+	@echo "    [CREATE] $@"
+	$(qexec)$(GEN_VCPROJ) \
+            --exe \
+            --target=$(TOOLCHAIN) \
+            --name=test_libaom \
+            -D_VARIADIC_MAX=10 \
+            --proj-guid=CD837F5F-52D8-4314-A370-895D614166A7 \
+            --ver=$(CONFIG_VS_VERSION) \
+            --src-path-bare="$(SRC_PATH_BARE)" \
+            $(if $(CONFIG_STATIC_MSVCRT),--static-crt) \
+            --out=$@ $(INTERNAL_CFLAGS) $(CFLAGS) \
+            -I. -I"$(SRC_PATH_BARE)/third_party/googletest/src/googletest/include" \
+            $(if $(CONFIG_WEBM_IO),-I"$(SRC_PATH_BARE)/third_party/libwebm") \
+            -L. -l$(CODEC_LIB) -l$(GTEST_LIB) $^
+
+PROJECTS-$(CONFIG_MSVS) += test_libaom.$(VCPROJ_SFX)
+
+LIBAOM_TEST_BIN := $(addprefix $(TGT_OS:win64=x64)/Release/,$(notdir $(LIBAOM_TEST_BIN)))
+
+ifneq ($(strip $(TEST_INTRA_PRED_SPEED_OBJS)),)
+PROJECTS-$(CONFIG_MSVS) += test_intra_pred_speed.$(VCPROJ_SFX)
+test_intra_pred_speed.$(VCPROJ_SFX): $(TEST_INTRA_PRED_SPEED_SRCS) aom.$(VCPROJ_SFX) gtest.$(VCPROJ_SFX)
+	@echo "    [CREATE] $@"
+	$(qexec)$(GEN_VCPROJ) \
+            --exe \
+            --target=$(TOOLCHAIN) \
+            --name=test_intra_pred_speed \
+            -D_VARIADIC_MAX=10 \
+            --proj-guid=CD837F5F-52D8-4314-A370-895D614166A7 \
+            --ver=$(CONFIG_VS_VERSION) \
+            --src-path-bare="$(SRC_PATH_BARE)" \
+            $(if $(CONFIG_STATIC_MSVCRT),--static-crt) \
+            --out=$@ $(INTERNAL_CFLAGS) $(CFLAGS) \
+            -I. -I"$(SRC_PATH_BARE)/third_party/googletest/src/googletest/include" \
+            -L. -l$(CODEC_LIB) -l$(GTEST_LIB) $^
+endif  # TEST_INTRA_PRED_SPEED
+endif
+else
+
+include $(SRC_PATH_BARE)/third_party/googletest/gtest.mk
+GTEST_SRCS := $(addprefix third_party/,$(call enabled,GTEST_SRCS))
+GTEST_OBJS=$(call objs,$(GTEST_SRCS))
+ifeq ($(filter win%,$(TGT_OS)),$(TGT_OS))
+# Disabling pthreads globally will cause issues on darwin and possibly elsewhere
+$(GTEST_OBJS) $(GTEST_OBJS:.o=.d): CXXFLAGS += -DGTEST_HAS_PTHREAD=0
+endif
+GTEST_INCLUDES := -I$(SRC_PATH_BARE)/third_party/googletest/src/googletest
+GTEST_INCLUDES += -I$(SRC_PATH_BARE)/third_party/googletest/src/googletest/include
+$(GTEST_OBJS) $(GTEST_OBJS:.o=.d): CXXFLAGS += $(GTEST_INCLUDES)
+OBJS-yes += $(GTEST_OBJS)
+LIBS-yes += $(BUILD_PFX)libgtest.a $(BUILD_PFX)libgtest_g.a
+$(BUILD_PFX)libgtest_g.a: $(GTEST_OBJS)
+
+LIBAOM_TEST_OBJS=$(sort $(call objs,$(LIBAOM_TEST_SRCS)))
+$(LIBAOM_TEST_OBJS) $(LIBAOM_TEST_OBJS:.o=.d): CXXFLAGS += $(GTEST_INCLUDES)
+OBJS-yes += $(LIBAOM_TEST_OBJS)
+BINS-yes += $(LIBAOM_TEST_BIN)
+
+CODEC_LIB=$(if $(CONFIG_DEBUG_LIBS),aom_g,aom)
+CODEC_LIB_SUF=$(if $(CONFIG_SHARED),$(SHARED_LIB_SUF),.a)
+TEST_LIBS := lib$(CODEC_LIB)$(CODEC_LIB_SUF) libgtest.a
+$(LIBAOM_TEST_BIN): $(TEST_LIBS)
+$(eval $(call linkerxx_template,$(LIBAOM_TEST_BIN), \
+              $(LIBAOM_TEST_OBJS) \
+              -L. -laom -lgtest $(extralibs) -lm))
+
+ifneq ($(strip $(TEST_INTRA_PRED_SPEED_OBJS)),)
+$(TEST_INTRA_PRED_SPEED_OBJS) $(TEST_INTRA_PRED_SPEED_OBJS:.o=.d): CXXFLAGS += $(GTEST_INCLUDES)
+OBJS-yes += $(TEST_INTRA_PRED_SPEED_OBJS)
+BINS-yes += $(TEST_INTRA_PRED_SPEED_BIN)
+
+$(TEST_INTRA_PRED_SPEED_BIN): $(TEST_LIBS)
+$(eval $(call linkerxx_template,$(TEST_INTRA_PRED_SPEED_BIN), \
+              $(TEST_INTRA_PRED_SPEED_OBJS) \
+              -L. -laom -lgtest $(extralibs) -lm))
+endif  # TEST_INTRA_PRED_SPEED
+
+endif  # CONFIG_UNIT_TESTS
+
+# Install test sources only if codec source is included
+INSTALL-SRCS-$(CONFIG_CODEC_SRCS) += $(patsubst $(SRC_PATH_BARE)/%,%,\
+    $(shell find $(SRC_PATH_BARE)/third_party/googletest -type f))
+INSTALL-SRCS-$(CONFIG_CODEC_SRCS) += $(LIBAOM_TEST_SRCS)
+INSTALL-SRCS-$(CONFIG_CODEC_SRCS) += $(TEST_INTRA_PRED_SPEED_SRCS)
+
+define test_shard_template
+test:: test_shard.$(1)
+test-no-data-check:: test_shard_ndc.$(1)
+test_shard.$(1) test_shard_ndc.$(1): $(LIBAOM_TEST_BIN)
+	@set -e; \
+	 export GTEST_SHARD_INDEX=$(1); \
+	 export GTEST_TOTAL_SHARDS=$(2); \
+	 $(LIBAOM_TEST_BIN)
+test_shard.$(1): testdata
+.PHONY: test_shard.$(1)
+endef
+
+NUM_SHARDS := 10
+SHARDS := 0 1 2 3 4 5 6 7 8 9
+$(foreach s,$(SHARDS),$(eval $(call test_shard_template,$(s),$(NUM_SHARDS))))
+
+endif
+
+##
+## documentation directives
+##
+CLEAN-OBJS += libs.doxy
+DOCS-yes += libs.doxy
+libs.doxy: $(CODEC_DOC_SRCS)
+	@echo "    [CREATE] $@"
+	@rm -f $@
+	@echo "INPUT += $^" >> $@
+	@echo "INCLUDE_PATH += ." >> $@;
+	@echo "ENABLED_SECTIONS += $(sort $(CODEC_DOC_SECTIONS))" >> $@
+
+## Generate rtcd.h for all objects
+ifeq ($(CONFIG_DEPENDENCY_TRACKING),yes)
+$(OBJS-yes:.o=.d): $(RTCD)
+else
+$(OBJS-yes): $(RTCD)
+endif
+
+## Update the global src list
+SRCS += $(CODEC_SRCS) $(LIBAOM_TEST_SRCS) $(GTEST_SRCS)
+
+##
+## aomdec/aomenc tests.
+##
+ifeq ($(CONFIG_UNIT_TESTS),yes)
+TEST_BIN_PATH = .
+ifeq ($(CONFIG_MSVS),yes)
+# MSVC will build both Debug and Release configurations of tools in a
+# sub directory named for the current target. Assume the user wants to
+# run the Release tools, and assign TEST_BIN_PATH accordingly.
+# TODO(tomfinegan): Is this adequate for ARM?
+# TODO(tomfinegan): Support running the debug versions of tools?
+TEST_BIN_PATH := $(addsuffix /$(TGT_OS:win64=x64)/Release, $(TEST_BIN_PATH))
+endif
+utiltest utiltest-no-data-check:
+	$(qexec)$(SRC_PATH_BARE)/test/aomdec.sh \
+		--test-data-path $(LIBAOM_TEST_DATA_PATH) \
+		--bin-path $(TEST_BIN_PATH)
+	$(qexec)$(SRC_PATH_BARE)/test/aomenc.sh \
+		--test-data-path $(LIBAOM_TEST_DATA_PATH) \
+		--bin-path $(TEST_BIN_PATH)
+utiltest: testdata
+else
+utiltest utiltest-no-data-check:
+	@echo Unit tests must be enabled to make the utiltest target.
+endif
+
+##
+## Example tests.
+##
+ifeq ($(CONFIG_UNIT_TESTS),yes)
+# All non-MSVC targets output example targets in a sub dir named examples.
+EXAMPLES_BIN_PATH = examples
+ifeq ($(CONFIG_MSVS),yes)
+# MSVC will build both Debug and Release configurations of the examples in a
+# sub directory named for the current target. Assume the user wants to
+# run the Release tools, and assign EXAMPLES_BIN_PATH accordingly.
+# TODO(tomfinegan): Is this adequate for ARM?
+# TODO(tomfinegan): Support running the debug versions of tools?
+EXAMPLES_BIN_PATH := $(TGT_OS:win64=x64)/Release
+endif
+exampletest exampletest-no-data-check: examples
+	$(qexec)$(SRC_PATH_BARE)/test/examples.sh \
+		--test-data-path $(LIBAOM_TEST_DATA_PATH) \
+		--bin-path $(EXAMPLES_BIN_PATH)
+exampletest: testdata
+else
+exampletest exampletest-no-data-check:
+	@echo Unit tests must be enabled to make the exampletest target.
+endif