Obliterating most any reference to ORC

This should clean the code and fix issue #95

Bug:#95
Signed-off-by:Kalin KOZHUHAROV <kalin@thinrope.net>

Author: thinrope

CMakeLists.txt

@@ -36,17 +36,6 @@ if(APPLE AND NOT CMAKE_OSX_ARCHITECTURES AND NOT SSE2_FOUND)
   add_definitions(-march=armv8-a+fp+simd+crypto+crc)
 endif()
 
-### 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)
-# find_package(Orc)
-if(ORC_FOUND)
-add_definitions( -DUSE_ORC ${ORC_DEFINITIONS} )
-include_directories( ${ORC_INCLUDE_DIRS} )
-else()
-add_definitions( -DDISABLE_ORC )
-endif()
-
 # here we should check for SSE2
 # our  -DUSE_SSE2_ASM code does not work with fpic
 if(SSE2_FOUND)
@@ -60,7 +49,7 @@ endif()
 set(SOURCES src/frameinfo.c src/transformtype.c src/libvidstab.c
   src/transform.c src/transformfixedpoint.c src/motiondetect.c
   src/motiondetect_opt.c src/serialize.c src/localmotion2transform.c
-  src/boxblur.c src/vsvector.c src/orc/motiondetectorc.c)
+  src/boxblur.c src/vsvector.c)
 
 set(HEADERS src/frameinfo.h src/transformtype.h src/libvidstab.h
   src/transform.h src/motiondetect.h src/serialize.h
@@ -76,10 +65,6 @@ set_target_properties(vidstab PROPERTIES SOVERSION ${MAJOR_VERSION}.${MINOR_VERS
 
 target_link_libraries(vidstab m)
 set(PKG_EXTRA_LIBS -lm)
-if(ORC_FOUND)
-target_link_libraries(vidstab ${ORC_LIBRARIES})
-set(PKG_EXTRA_LIBS "${PKG_EXTRA_LIBS} ${ORC_LIBRARIES}")
-endif()
 if(USE_OMP AND OPENMP_FOUND)
 if(TARGET OpenMP::OpenMP_C)
 target_link_libraries(vidstab OpenMP::OpenMP_C)

CMakeModules/FindOrc.cmake

@@ -878,8 +878,7 @@ void drawLine(unsigned char* I, int width, int height, int bytesPerPixel,
 // }
 
 
-//#ifdef TESTING
-/// plain C implementation of compareSubImg (without ORC)
+/// plain C implementation of compareSubImg
 unsigned int compareSubImg_thr(unsigned char* const I1, unsigned char* const I2,
                                const Field* field, int width1, int width2, int height,
            int bytesPerPixel, int d_x, int d_y,

src/motiondetect.c

@@ -26,10 +26,6 @@
  */
 #include "motiondetect_opt.h"
 
-#ifdef USE_ORC
-#include "orc/motiondetectorc.h"
-#endif
-
 #ifdef USE_SSE2
 #include <emmintrin.h>
 
@@ -100,35 +96,7 @@ double contrastSubImg1_SSE(unsigned char* const I, const Field* field,
 }
 #endif
 
-#ifdef USE_ORC
-/**
-   calculates the contrast in the given small part of the given image
-   using the absolute difference from mean luminance (like Root-Mean-Square,
-   but with abs() (Manhattan-Norm))
-   For multichannel images use contrastSubImg_Michelson()
-
-   \param I pointer to framebuffer
-   \param field Field specifies position(center) and size of subimage
-   \param width width of frame
-   \param height height of frame
-*/
-double contrastSubImg_variance_orc(unsigned char* const I, const Field* field,
-                                   int width, int height) {
-  unsigned char* p = NULL;
-  int s2 = field->size / 2;
-  int numpixel = field->size*field->size;
-
-  p = I + ((field->x - s2) + (field->y - s2) * width);
-
-  unsigned int sum=0;
-  image_sum_optimized((signed int*)&sum, p, width, field->size, field->size);
-  unsigned char mean = sum / numpixel;
-  int var=0;
-  image_variance_optimized(&var, p, width, mean, field->size, field->size);
-  return (double)var/numpixel/255.0;
-}
-
-/// plain C implementation of variance based contrastSubImg (without ORC)
+/// plain C implementation of variance based contrastSubImg
 double contrastSubImg_variance_C(unsigned char* const I,
                                  const Field* field, int width, int height) {
   int k, j;
@@ -158,69 +126,6 @@ double contrastSubImg_variance_C(unsigned char* const I,
   }
   return (double)var/numpixel/255.0;
 }
-#endif
-
-
-
-
-
-
-#ifdef USE_ORC
-/**
-   compares a small part of two given images
-   and returns the average absolute difference.
-   Field center, size and shift have to be choosen,
-   so that no clipping is required.
-   Uses optimized inner loops by ORC.
-
-   \param field Field specifies position(center) and size of subimage
-   \param d_x shift in x direction
-   \param d_y shift in y direction
-*/
-unsigned int compareSubImg_thr_orc(unsigned char* const I1, unsigned char* const I2,
-                                   const Field* field, int width1, int width2, int height,
-                                   int bytesPerPixel, int d_x, int d_y,
-                                   unsigned int threshold) {
-  unsigned char* p1 = NULL;
-  unsigned char* p2 = NULL;
-  int s2 = field->size / 2;
-  int j;
-  unsigned int sum = 0;
-  p1 = I1 + ((field->x - s2) + (field->y - s2) * width1) * bytesPerPixel;
-  p2 = I2 + ((field->x - s2 + d_x) + (field->y - s2 + d_y) * width2) * bytesPerPixel;
-
-  for (j = 0; j < field->size; j++) {
-    unsigned int s = 0;
-    image_line_difference_optimized(&s, p1, p2, field->size* bytesPerPixel);
-    sum += s;
-    if( sum > threshold) // no need to calculate any longer: worse than the best match
-      break;
-    p1 += width1 * bytesPerPixel;
-    p2 += width2 * bytesPerPixel;
-  }
-
-
-  return sum;
-}
-
-// implementation with 1 orc function, but no threshold
-unsigned int compareSubImg_orc(unsigned char* const I1, unsigned char* const I2,
-                               const Field* field, int width1, int width2, int height,
-                               int bytesPerPixel, int d_x, int d_y,
-                               unsigned int threshold) {
-  unsigned char* p1 = NULL;
-  unsigned char* p2 = NULL;
-  int s2 = field->size / 2;
-  unsigned int sum=0;
-  p1 = I1 + ((field->x - s2) + (field->y - s2) * width1) * bytesPerPixel;
-  p2 = I2 + ((field->x - s2 + d_x) + (field->y - s2 + d_y) * width2)
-    * bytesPerPixel;
-
-  image_difference_optimized(&sum, p1, width1 * bytesPerPixel, p2, width2 * bytesPerPixel,
-                             field->size* bytesPerPixel , field->size);
-  return sum;
-}
-#endif
 
 #ifdef USE_SSE2
 unsigned int compareSubImg_thr_sse2(unsigned char* const I1, unsigned char* const I2,

src/motiondetect_opt.c

@@ -34,8 +34,6 @@
 #define compareSubImg compareSubImg_thr_sse2_asm
 #elif defined(USE_SSE2)      //enable SSE2 code
 #define compareSubImg compareSubImg_thr_sse2
-#elif defined(USE_ORC)
-#define compareSubImg compareSubImg_thr_orc
 #else
 #define compareSubImg compareSubImg_thr
 #endif
@@ -45,27 +43,9 @@ double contrastSubImg1_SSE(unsigned char* const I, const Field* field,
                            int width, int height);
 #endif
 
-#ifdef USE_ORC
-double contrastSubImg_variance_orc(unsigned char* const I, const Field* field,
-                          int width, int height);
 double contrastSubImg_variance_C(unsigned char* const I, const Field* field,
                         int width, int height);
 
-#endif
-
-#ifdef USE_ORC
-unsigned int compareSubImg_orc(unsigned char* const I1, unsigned char* const I2,
-                               const Field* field, int width1, int width2, int height,
-                               int bytesPerPixel, int d_x, int d_y,
-                               unsigned int threshold);
-
-
-unsigned int compareSubImg_thr_orc(unsigned char* const I1, unsigned char* const I2,
-                                   const Field* field, int width1, int width2, int height,
-                                   int bytesPerPixel, int d_x, int d_y,
-                                   unsigned int threshold);
-#endif
-
 #ifdef USE_SSE2
 unsigned int compareSubImg_thr_sse2(unsigned char* const I1, unsigned char* const I2,
                                     const Field* field, int width1, int width2, int height,