Merge pull request georgmartius#126 from meneguzzi/sse2neon

Added sse2neon for arm compilation.

.gitignore

@@ -9,3 +9,7 @@ CMakeFiles
 Makefile
 cmake_install.cmake
 install_manifest.txt
+
+# Don't include the build directory and compiled Mac dynamic libraries.
+build 
+*.dylib

CMakeLists.txt

@@ -5,6 +5,8 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/CMakeModules/")
 
 include (FindSSE)
 include (GNUInstallDirs)
+# include (ExternalProject) # There must be a nicer way to include this
+# include (sse2neon)
 find_package(OpenMP)
 
 set(MAJOR_VERSION 1)
@@ -30,6 +32,10 @@ if(NOT WIN32)
   add_definitions(-fPIC)
 endif()
 
+if(APPLE)
+  add_definitions(-march=armv8-a+fp+simd+crypto+crc)
+endif(APPLE)
+
 ### ORC is not used in any active code at the moment  ###
 # I tried it with 0.4.14
 #  0.4.10 did not work (not all opcode implemented)

README.md

@@ -1,5 +1,7 @@
 # VidStab
 
+[![C/C++ CI](https://github.com/georgmartius/vid.stab/actions/workflows/c-cpp.yml/badge.svg)](https://github.com/georgmartius/vid.stab/actions/workflows/c-cpp.yml)
+
 Vidstab is a video stabilization library which can be plugged-in with Ffmpeg and Transcode.
 
 **Why is it needed**

src/motiondetect_opt.c

@@ -37,6 +37,13 @@
 #define SSE2_CMP_SUM_ROWS 8
 #endif
 
+#ifdef __ARM_NEON__
+#include "sse2neon.h"
+#define USE_SSE2
+#define USE_SSE2_CMP_HOR
+#define SSE2_CMP_SUM_ROWS 8
+#endif
+
 #ifdef USE_SSE2
 /**
    \see contrastSubImg using SSE2 optimization, Planar (1 byte per channel) only