廢話不多說先上工程目錄
include、source、unit_test都是libyuv的源碼，Android.mk也是源碼壓縮包裏提供的，so可以直接編譯成功了？
只能說我還是太年輕了，fatal error: jpeglib.h: No such file or directory直接ndk-build絕對遇到這坑，我們得把jpeglib相關的玩意註釋掉才能成功。
上修改後的Android.mk
# This is the Android makefile for libyuv for NDK.
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_CPP_EXTENSION := .cc
LOCAL_SRC_FILES := \
source/compare.cc \
source/compare_common.cc \
source/compare_gcc.cc \
source/compare_mmi.cc \
source/compare_msa.cc \
source/compare_neon.cc \
source/compare_neon64.cc \
source/convert.cc \
source/convert_argb.cc \
source/convert_from.cc \
source/convert_from_argb.cc \
source/convert_to_argb.cc \
source/convert_to_i420.cc \
source/cpu_id.cc \
source/planar_functions.cc \
source/rotate.cc \
source/rotate_any.cc \
source/rotate_argb.cc \
source/rotate_common.cc \
source/rotate_gcc.cc \
source/rotate_mmi.cc \
source/rotate_msa.cc \
source/rotate_neon.cc \
source/rotate_neon64.cc \
source/row_any.cc \
source/row_common.cc \
source/row_gcc.cc \
source/row_mmi.cc \
source/row_msa.cc \
source/row_neon.cc \
source/row_neon64.cc \
source/scale.cc \
source/scale_any.cc \
source/scale_argb.cc \
source/scale_common.cc \
source/scale_gcc.cc \
source/scale_mmi.cc \
source/scale_msa.cc \
source/scale_neon.cc \
source/scale_neon64.cc \
source/video_common.cc
common_CFLAGS := -Wall -fexceptions
# 這裏註釋 防止fatal error: jpeglib.h: No such file or directory
#ifneq ($(LIBYUV_DISABLE_JPEG), "yes")
#LOCAL_SRC_FILES += \
# source/convert_jpeg.cc \
# source/mjpeg_decoder.cc \
# source/mjpeg_validate.cc
#common_CFLAGS += -DHAVE_JPEG
#LOCAL_SHARED_LIBRARIES := libjpeg
#endif
LOCAL_CFLAGS += $(common_CFLAGS)
LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include
LOCAL_C_INCLUDES += $(LOCAL_PATH)/include
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
LOCAL_MODULE := libyuv_static
LOCAL_MODULE_TAGS := optional
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
LOCAL_WHOLE_STATIC_LIBRARIES := libyuv_static
LOCAL_MODULE := libyuv
# 這裏註釋 防止fatal error: jpeglib.h: No such file or directory
#ifneq ($(LIBYUV_DISABLE_JPEG), "yes")
#LOCAL_SHARED_LIBRARIES := libjpeg
#endif
#include $(BUILD_STATIC_LIBRARY)
include $(BUILD_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_STATIC_LIBRARIES := libyuv_static
LOCAL_SHARED_LIBRARIES := libjpeg
LOCAL_MODULE_TAGS := tests
LOCAL_CPP_EXTENSION := .cc
LOCAL_C_INCLUDES += $(LOCAL_PATH)/include
LOCAL_SRC_FILES := \
unit_test/unit_test.cc \
unit_test/basictypes_test.cc \
unit_test/color_test.cc \
unit_test/compare_test.cc \
unit_test/convert_test.cc \
unit_test/cpu_test.cc \
unit_test/cpu_thread_test.cc \
unit_test/math_test.cc \
unit_test/planar_test.cc \
unit_test/rotate_argb_test.cc \
unit_test/rotate_test.cc \
unit_test/scale_argb_test.cc \
unit_test/scale_test.cc \
unit_test/video_common_test.cc
LOCAL_MODULE := libyuv_unittest
include $(BUILD_NATIVE_TEST)
懶得動手編的童鞋底下的連接有編譯好的so庫，不過建議還是自己編譯一下比較好