| LOCAL_PATH := $(call my-dir) |
| include $(CLEAR_VARS) |
| |
| ifeq ($(ARCH_ARM_HAVE_NEON),true) |
| libvpx_target := armv7a-neon |
| libvpx_asm := .asm.s |
| else ifeq ($(ARCH_ARM_HAVE_ARMV7A),true) |
| libvpx_target := armv7a |
| libvpx_asm := .asm.s |
| endif |
| |
| ifeq ($(TARGET_ARCH),mips) |
| ifneq ($(ARCH_HAS_BIGENDIAN),true) |
| ifeq ($(ARCH_MIPS_DSP_REV),2) |
| libvpx_target := mips-dspr2 |
| LOCAL_CFLAGS += -DMIPS_DSP_REV=$(ARCH_MIPS_DSP_REV) |
| else |
| libvpx_target := mips |
| ifeq ($(ARCH_MIPS_DSP_REV),1) |
| LOCAL_CFLAGS += -DMIPS_DSP_REV=$(ARCH_MIPS_DSP_REV) |
| else |
| LOCAL_CFLAGS += -DMIPS_DSP_REV=0 |
| endif #mips_dsp_rev1 |
| endif #mips_dsp_rev2 |
| endif #bigendian |
| endif #mips |
| |
| # Un-optimized targets |
| libvpx_target ?= generic |
| libvpx_asm ?= .asm |
| |
| libvpx_config_dir := $(LOCAL_PATH)/$(libvpx_target) |
| libvpx_source_dir := $(LOCAL_PATH)/libvpx |
| |
| libvpx_codec_srcs := $(shell cat $(libvpx_config_dir)/libvpx_srcs.txt) |
| |
| LOCAL_CFLAGS := -DHAVE_CONFIG_H=vpx_config.h |
| |
| LOCAL_MODULE := libvpx |
| |
| LOCAL_MODULE_CLASS := STATIC_LIBRARIES |
| libvpx_intermediates := $(call local-intermediates-dir) |
| |
| # Extract the C files from the list and add them to LOCAL_SRC_FILES. |
| libvpx_codec_srcs_unique := $(sort $(libvpx_codec_srcs)) |
| libvpx_codec_srcs_c := $(filter %.c, $(libvpx_codec_srcs_unique)) |
| # vpx_config.c is an auto-generated file in $(config_dir) |
| libvpx_codec_srcs_c_static := $(filter-out vpx_config.c, $(libvpx_codec_srcs_c)) |
| LOCAL_SRC_FILES += $(addprefix libvpx/, $(libvpx_codec_srcs_c_static)) |
| LOCAL_SRC_FILES += $(libvpx_target)/vpx_config.c |
| |
| # ARM and x86 use an 'offsets' file in the assembly. It is generated by |
| # tricking the compiler and generating non-functional output which is then |
| # processed with grep. For ARM, this must be additionally converted from |
| # RVCT (ARM's in-house compiler) format to GNU Assembler Format for gcc. |
| |
| # Offset files are currently used in vpx_scale for NEON and some encoder |
| # functions used in both ARM and x86. These files can not be compiled and need |
| # to be named accordingly to avoid auto-build rules. The encoder files are not |
| # used yet but are included in the comments for future reference. |
| |
| libvpx_asm_offsets_intermediates := \ |
| vp8/encoder/vp8_asm_enc_offsets.intermediate \ |
| vpx_scale/vpx_scale_asm_offsets.intermediate \ |
| |
| libvpx_asm_offsets_files := \ |
| vp8/encoder/vp8_asm_enc_offsets.asm \ |
| vpx_scale/vpx_scale_asm_offsets.asm \ |
| |
| # Build the S files with inline assembly. |
| COMPILE_TO_S := $(addprefix $(libvpx_intermediates)/, $(libvpx_asm_offsets_intermediates)) |
| $(COMPILE_TO_S) : PRIVATE_INTERMEDIATES := $(libvpx_intermediates) |
| $(COMPILE_TO_S) : PRIVATE_SOURCE_DIR := $(libvpx_source_dir) |
| $(COMPILE_TO_S) : PRIVATE_CONFIG_DIR := $(libvpx_config_dir) |
| $(COMPILE_TO_S) : PRIVATE_CUSTOM_TOOL = $(TARGET_CC) -S $(addprefix -I, $(TARGET_C_INCLUDES)) -I $(PRIVATE_INTERMEDIATES) -I $(PRIVATE_SOURCE_DIR) -I $(PRIVATE_CONFIG_DIR) -DINLINE_ASM -o $@ $< |
| $(COMPILE_TO_S) : $(libvpx_intermediates)/%.intermediate : $(libvpx_source_dir)/%.c |
| $(transform-generated-source) |
| |
| # Extract the offsets from the inline assembly. |
| OFFSETS_GEN := $(addprefix $(libvpx_intermediates)/, $(libvpx_asm_offsets_files)) |
| $(OFFSETS_GEN) : PRIVATE_OFFSET_PATTERN := '^[a-zA-Z0-9_]* EQU' |
| $(OFFSETS_GEN) : PRIVATE_SOURCE_DIR := $(libvpx_source_dir) |
| $(OFFSETS_GEN) : PRIVATE_CUSTOM_TOOL = grep $(PRIVATE_OFFSET_PATTERN) $< | tr -d '$$\#' | perl $(PRIVATE_SOURCE_DIR)/build/make/ads2gas.pl > $@ |
| $(OFFSETS_GEN) : %.asm : %.intermediate |
| $(transform-generated-source) |
| |
| LOCAL_GENERATED_SOURCES += $(OFFSETS_GEN) |
| |
| # This step is only required for ARM. MIPS uses intrinsics and x86 requires an |
| # assembler to pre-process its assembly files. |
| libvpx_asm_srcs := $(filter %.asm.s, $(libvpx_codec_srcs_unique)) |
| |
| # The ARM assembly sources must be converted from ADS to GAS compatible format. |
| VPX_GEN := $(addprefix $(libvpx_intermediates)/, $(libvpx_asm_srcs)) |
| $(VPX_GEN) : PRIVATE_SOURCE_DIR := $(libvpx_source_dir) |
| $(VPX_GEN) : PRIVATE_CUSTOM_TOOL = cat $< | perl $(PRIVATE_SOURCE_DIR)/build/make/ads2gas.pl > $@ |
| $(VPX_GEN) : $(libvpx_intermediates)/%.s : $(libvpx_source_dir)/% |
| $(transform-generated-source) |
| |
| LOCAL_GENERATED_SOURCES += $(VPX_GEN) |
| |
| LOCAL_C_INCLUDES := \ |
| $(libvpx_source_dir) \ |
| $(libvpx_config_dir) \ |
| $(libvpx_intermediates)/vp8/common \ |
| $(libvpx_intermediates)/vp8/decoder \ |
| $(libvpx_intermediates)/vp8/encoder \ |
| $(libvpx_intermediates)/vpx_scale \ |
| |
| libvpx_target := |
| libvpx_asm := |
| libvpx_config_dir := |
| libvpx_source_dir := |
| libvpx_codec_srcs := |
| libvpx_intermediates := |
| libvpx_codec_srcs_unique := |
| libvpx_codec_srcs_c := |
| libvpx_codec_srcs_c_static := |
| libvpx_asm_offsets_intermediates := |
| libvpx_asm_offsets_files := |
| libvpx_asm_srcs := |
| |
| include $(BUILD_STATIC_LIBRARY) |
