ffigen.yaml

@@ -3,12 +3,11 @@ name: LibDartOpenMVG
 description: |
   Dart bindings for the OpenMVG library.
 output: 'lib/libdart_openmvg_generated.dart'
+compiler-opts: '-I/usr/include -L /usr/lib/ -lpng'
 headers:
   entry-points:
-    - 'src/frame.h'
     - 'src/image.h'
   include-directives:
-    - 'src/frame.h'
     - 'src/image.h'
 preamble: |
   // ignore_for_file: always_specify_types

lib/libdart_openmvg_generated.dart

@@ -25,22 +25,50 @@ class LibDartOpenMVG {
           lookup)
       : _lookup = lookup;
 
-  ffi.Pointer<FILE> make_buffer(
+  ffi.Pointer<ImageResult> image_result_new(
-    ffi.Pointer<ffi.Uint8> arg0,
+    ffi.Pointer<u_char> arg0,
-    int arg1,
+    int data_len,
   ) {
-    return _make_buffer(
+    return _image_result_new(
       arg0,
-      arg1,
+      data_len,
     );
   }
 
-  late final _make_bufferPtr = _lookup<
+  late final _image_result_newPtr = _lookup<
       ffi.NativeFunction<
-          ffi.Pointer<FILE> Function(
+          ffi.Pointer<ImageResult> Function(
-              ffi.Pointer<ffi.Uint8>, ffi.Size)>>('make_buffer');
+              ffi.Pointer<u_char>, ffi.Size)>>('image_result_new');
-  late final _make_buffer = _make_bufferPtr
+  late final _image_result_new = _image_result_newPtr.asFunction<
-      .asFunction<ffi.Pointer<FILE> Function(ffi.Pointer<ffi.Uint8>, int)>();
+      ffi.Pointer<ImageResult> Function(ffi.Pointer<u_char>, int)>();
+
+  ffi.Pointer<ImageResult> image_result_new_error(
+    int error_t,
+  ) {
+    return _image_result_new_error(
+      error_t,
+    );
+  }
+
+  late final _image_result_new_errorPtr =
+      _lookup<ffi.NativeFunction<ffi.Pointer<ImageResult> Function(ffi.Int)>>(
+          'image_result_new_error');
+  late final _image_result_new_error = _image_result_new_errorPtr
+      .asFunction<ffi.Pointer<ImageResult> Function(int)>();
+
+  int image_result_free(
+    ffi.Pointer<ImageResult> arg0,
+  ) {
+    return _image_result_free(
+      arg0,
+    );
+  }
+
+  late final _image_result_freePtr =
+      _lookup<ffi.NativeFunction<ffi.Int Function(ffi.Pointer<ImageResult>)>>(
+          'image_result_free');
+  late final _image_result_free = _image_result_freePtr
+      .asFunction<int Function(ffi.Pointer<ImageResult>)>();
 
   ffi.Pointer<Frame> new_frame_from_handle(
     ffi.Pointer<FILE> arg0,
@@ -87,51 +115,6 @@ class LibDartOpenMVG {
       ffi.Pointer<Frame> Function(
           ffi.Pointer<ffi.Uint8>, int, int, int, int)>();
 
-  ffi.Pointer<ImageResult> image_result_new(
-    ffi.Pointer<u_char> arg0,
-    int data_len,
-  ) {
-    return _image_result_new(
-      arg0,
-      data_len,
-    );
-  }
-
-  late final _image_result_newPtr = _lookup<
-      ffi.NativeFunction<
-          ffi.Pointer<ImageResult> Function(
-              ffi.Pointer<u_char>, ffi.Size)>>('image_result_new');
-  late final _image_result_new = _image_result_newPtr.asFunction<
-      ffi.Pointer<ImageResult> Function(ffi.Pointer<u_char>, int)>();
-
-  ffi.Pointer<ImageResult> image_result_new_error(
-    int arg0,
-  ) {
-    return _image_result_new_error(
-      arg0,
-    );
-  }
-
-  late final _image_result_new_errorPtr =
-      _lookup<ffi.NativeFunction<ffi.Pointer<ImageResult> Function(ffi.Int)>>(
-          'image_result_new_error');
-  late final _image_result_new_error = _image_result_new_errorPtr
-      .asFunction<ffi.Pointer<ImageResult> Function(int)>();
-
-  int image_result_free(
-    ffi.Pointer<ImageResult> arg0,
-  ) {
-    return _image_result_free(
-      arg0,
-    );
-  }
-
-  late final _image_result_freePtr =
-      _lookup<ffi.NativeFunction<ffi.Int Function(ffi.Pointer<ImageResult>)>>(
-          'image_result_free');
-  late final _image_result_free = _image_result_freePtr
-      .asFunction<int Function(ffi.Pointer<ImageResult>)>();
-
   ffi.Pointer<ImageResult> archimedes_get_image_data(
     ffi.Pointer<Frame> arg0,
   ) {
@@ -261,8 +244,6 @@ final class _IO_codecvt extends ffi.Opaque {}
 
 final class _IO_wide_data extends ffi.Opaque {}
 
-typedef Frame = _Frame;
-
 final class _ImageResult extends ffi.Struct {
   external ffi.Pointer<u_char> data;
 
@@ -276,3 +257,4 @@ final class _ImageResult extends ffi.Struct {
 typedef u_char = __u_char;
 typedef __u_char = ffi.UnsignedChar;
 typedef ImageResult = _ImageResult;
+typedef Frame = _Frame;

scripts/watch_compilelib.sh

@@ -10,5 +10,5 @@ DIR=$(cd -P "$(dirname "$SOURCE")" >/dev/null 2>&1 && pwd)
 
 SRC_DIR=$(realpath ${DIR}/../src)
 
-find ${SRC_DIR} -name "*.c*" -o -name "*.h*" -o -name "CMakeLists.txt" | \
+find ${SRC_DIR} -name "*.c*" -o -name "*.h" -o -name "CMakeLists.txt" | \
     entr -r ${DIR}/compilelib.sh

src/CMakeLists.txt

@@ -59,8 +59,6 @@ set(SKIP_INSTALL_ALL OFF CACHE BOOL "" FORCE) # we only want lib
 add_definitions(${PNG_DEFINITIONS})
 
 add_library(${LIBDART_OPENMVG} SHARED
-  "frame.cxx"
-  "streamingview.cxx"
   "image.cxx"
 )
 
@@ -70,9 +68,11 @@ target_include_directories(
   ${FFMPEG_INCLUDE_DIRS}
   ${PNG_INCLUDE_DIRS}
   ${ARCHIMEDES_INCLUDE_DIRS}
-  ${OpenMVG_DIR}/../../../include/openMVG_dependencies/cereal/include/cereal/
+  ${OPENMVG_INCLUDE_DIRS}/src
 )
 
+# message("LIBRARIES:" ${OpenMVG_LIBRARIES})
+
 target_link_libraries(
   ${LIBDART_OPENMVG}
    cwalk
@@ -93,6 +93,7 @@ set_target_properties(${LIBDART_OPENMVG}
   OUTPUT_NAME ${LIBDART_OPENMVG}
 )
 
+target_link_options(${LIBDART_OPENMVG} PRIVATE "-Wl,-Bstatic")
 target_link_options(${LIBDART_OPENMVG} PRIVATE "-Wl,-Bdynamic")
 
 add_executable(

src/base.hpp

@@ -1,15 +0,0 @@
-#ifdef __cplusplus
-#define EXTC extern "C"
-#define START_EXTC_GRP extern "C" {
-#define END_EXTC_GRP }
-#else
-#define EXTC
-#define START_EXTC_GRP
-#define END_EXTC_GRP
-#endif // _CPLUSPLUS
-
-#ifdef __cplusplus
-#  define _FFI_PLUGIN extern "C" __attribute__((visibility("default"))) __attribute__((used))
-#else
-#  define _FFI_PLUGIN __attribute__((visibility("default"))) __attribute__((used))
-#endif // __cplusplus

src/frame.cxx

@@ -1,39 +0,0 @@
-#include "frame.h"
-
-
-FILE *make_buffer(const uint8_t *data, const size_t data_len)
-{
-  FILE *file = fmemopen((void *)data, data_len, "r+");
-
-  if (file == NULL)
-  {
-    perror("Error opening file");
-    return NULL;
-  }
-
-  // Seek to the beginning of the file
-  rewind(file);
-
-  // Write the data to the file
-  fwrite(data, sizeof(uint8_t), data_len, file);
-
-  return file;
-}
-
-
-const Frame *new_frame_from_data(const uint8_t *data, const size_t data_len, int w, int h, int depth)
-{
-  FILE *buf = make_buffer(data, data_len);
-  return new_frame_from_handle(buf, w, h, depth);
-}
-
-
-const Frame *new_frame_from_handle(FILE *stream, int w, int h, int depth)
-{
-  Frame *f = (Frame *)malloc(sizeof(Frame));
-  f->stream = stream;
-  f->w = w;
-  f->h = h;
-  f->depth = depth;
-  return f;
-}

src/frame.h

@@ -1,20 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include "./base.hpp"
-
-typedef struct _Frame
-{
-    FILE *stream;
-    int w;
-    int h;
-    int depth;
-} Frame;
-
-FILE *make_buffer(const uint8_t *, const size_t);
-
-_FFI_PLUGIN
-const Frame *new_frame_from_handle(FILE *, int, int, int);
-
-_FFI_PLUGIN
-const Frame *new_frame_from_data(const uint8_t *, const size_t, int, int, int);

src/image.cxx

@@ -1,17 +1,12 @@
 #include "./image.h"
 
 #ifdef __cplusplus
-#include <cereal/archives/binary.hpp>
 #include <openMVG/image/image_io.hpp>
 #include <openMVG/image/image_concat.hpp>
-#include <openMVG/sfm/sfm_view.hpp>
-#include <openMVG/sfm/sfm_view_io.hpp>
-#include <Eigen/src/Core/util/Constants.h>
 #endif // __ cplusplus
 
 _FFI_PLUGIN
-ImageResult *image_result_new(const u_char *data, const size_t data_len)
+ImageResult *image_result_new(const u_char *data, const size_t data_len) {
-{
     ImageResult *r  = (ImageResult *) malloc(sizeof(ImageResult));
     r->data = (u_char *) calloc(sizeof(u_char), data_len);
     memcpy(r->data, data, data_len * sizeof(u_char));
@@ -21,8 +16,7 @@ ImageResult *image_result_new(const u_char *data, const size_t data_len)
 }
 
 _FFI_PLUGIN
-ImageResult *image_result_new_error(const error_t err)
+ImageResult *image_result_new_error(const error_t err) {
-{
     ImageResult *r  = (ImageResult *) malloc(sizeof(ImageResult));
     r->data = NULL;
     r->data_len = 0;
@@ -31,37 +25,62 @@ ImageResult *image_result_new_error(const error_t err)
 }
 
 _FFI_PLUGIN
-void free_image_result(ImageResult *image_result)
+void free_image_result(ImageResult *image_result) {
-{
    free(image_result->data);
    free(image_result);
 }
 
-
+const Frame *new_frame_from_handle(FILE *stream, int w, int h, int depth)
-std::vector<u_char> Archimedes::get_image_data_as_vector(const Frame *frame)
 {
-  rewind(frame->stream);
+  Frame *f = (Frame *)malloc(sizeof(Frame));
-  std::vector<unsigned char> imageData;
+  f->stream = stream;
-  if (!openMVG::image::ReadPngStream(frame->stream, &imageData, (int *)&(frame->w), (int *)&(frame->h), (int *)&(frame->depth)))
+  f->w = w;
-  {
+  f->h = h;
-    throw std::runtime_error("Could not read stream");
+  f->depth = depth;
+  return f;
 }
-  return imageData;
+
+FILE *make_buffer(const uint8_t *data, const size_t data_len)
+{
+  FILE *file = fmemopen((void *)data, data_len, "r+");
+
+  if (file == NULL)
+  {
+    perror("Error opening file");
+    return NULL;
+  }
+
+  // Seek to the beginning of the file
+  rewind(file);
+
+  // Write the data to the file
+  fwrite(data, sizeof(uint8_t), data_len, file);
+
+  return file;
+}
+
+_FFI_PLUGIN
+const Frame *
+new_frame_from_data(const uint8_t *data, const size_t data_len, int w, int h, int depth)
+{
+  FILE *buf = make_buffer(data, data_len);
+  return new_frame_from_handle(buf, w, h, depth);
 }
 
 #ifdef __cplusplus
 
+extern "C"
 ImageResult *Archimedes::get_image_data(const Frame *frame)
 {
-  try {
+  std::vector<unsigned char> imageData;
-    const std::vector<u_char> imageData = get_image_data_as_vector(frame);
+  rewind(frame->stream);
+  if (!openMVG::image::ReadPngStream(frame->stream, &imageData, (int *)&(frame->w), (int *)&(frame->h), (int *)&(frame->depth))) {
+    printf("ERROR: Could not read stream!\n");
+    return image_result_new_error(1);
+  }
   printf("Read %lu bytes.\n", imageData.size());
   const unsigned char *data = imageData.data();
   return image_result_new(data, imageData.size());
-  } catch (const std::runtime_error& e) {
-    std::cerr << e.what() << std::endl;
-    return image_result_new_error(1);
-  }
 }
 
 #endif
@@ -72,28 +91,9 @@ ImageResult *archimedes_get_image_data(const Frame *frame)
   return Archimedes::get_image_data(frame);
 }
 
+_FFI_PLUGIN
 int Archimedes::images_to_sfm(const Frame **frames, size_t n_frames)
 {
-  using namespace openMVG::sfm;
-
-  const Frame *frame = frames[0];
-  const std::vector<u_char> imageData = get_image_data_as_vector(frame);
-
-  const size_t w = frame->w;
-  const size_t h = frame->h;
-
-  // Create the Eigen matrix and the image
-
-  Eigen::Matrix<u_char, Eigen::Dynamic, Eigen::Dynamic, 1> eigenMatrix(w, h);
-  for (int i = 0; i < w * h; ++i) {
-      eigenMatrix(i / h, i % h) = imageData[i];
-  }
-
-  openMVG::image::Image bvgImage(eigenMatrix);
-
-
-  SfM_Data sfmData {};
-  sfmData.views = Views();
   
   return 0;
 }

src/image.h

@@ -29,40 +29,34 @@
 #include <openMVG/sfm/pipelines/stellar/sfm_stellar_engine.hpp>
 #endif // __cplusplus
 
-#include "./base.hpp"
-#include "frame.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
-#include <error.h>
 #include <png.h>
 
+#ifdef __cplusplus
+#  define _FFI_PLUGIN extern "C" __attribute__((visibility("default"))) __attribute__((used))
+#else
+#  define _FFI_PLUGIN __attribute__((visibility("default"))) __attribute__((used))
+#endif // __cplusplus
+
 #if defined(__cplusplus)
 
 extern "C" {
     auto png_sig_cm = png_sig_cmp;
 }
 
-
 #endif // __cplusplus
 
-#define error_t int
 
-#ifdef __cplusplus
+typedef struct _Frame
+{
+    FILE *stream;
+    int w;
+    int h;
+    int depth;
+} Frame;
 
-class StreamedView : openMVG::sfm::View {
-
-    private:
-
-        const Frame *mFrame;
-
-    public:
-        
-        StreamedView(const Frame *);
-
-};
-
-#endif
 
 typedef struct _ImageResult
 {
@@ -78,12 +72,21 @@ ImageResult *image_result_new_error(const error_t);
 _FFI_PLUGIN
 int image_result_free(ImageResult *);
 
+_FFI_PLUGIN
+const Frame *new_frame_from_handle(FILE *, int, int, int);
+_FFI_PLUGIN
+const Frame *
+new_frame_from_data(const uint8_t *, const size_t, int, int, int);
 
 #ifdef __cplusplus
+typedef openMVG::image::Image<openMVG::image::RGBColor> RgbImage;
+typedef std::vector<openMVG::features::AffinePointFeature> FeatureVector;
+typedef openMVG::image::Image<unsigned char> UImage;
+typedef std::vector<openMVG::features::MSER::MSERRegion> RegionVector;
+typedef openMVG::sfm::SfM_Data Sfm_Data;
 
-namespace Archimedes
+extern "C" namespace Archimedes
 {
-    std::vector<u_char> get_image_data_as_vector(const Frame *frame);
     ImageResult *get_image_data(const Frame *);
     int images_to_sfm(const Frame **, size_t);
 }

src/streamingview.cxx

@@ -1,15 +0,0 @@
-#include "streamingview.hpp"
-
-template<class Archive>
-void libdart_openmvg::StreamingView::load(cereal::BinaryOutputArchive &ar) const {
-    int i = 0;
-    while (i = fgetc(mFrame->stream) != EOF) {
-        ar(i);
-    }
-}
-
-template<class Archive>
-void libdart_openmvg::StreamingView::save(cereal::BinaryInputArchive &ar) const {
-    // int i = 0;
-    // todo
-}

src/streamingview.hpp

@@ -1,25 +0,0 @@
-#include <archives/binary.hpp>
-#include <openMVG/sfm/sfm_view.hpp>
-#include <stdio.h>
-#include "frame.h"
-
-typedef openMVG::sfm::View View;
-
-namespace libdart_openmvg
-{
-
-    struct StreamingView : View
-    {
-
-    private:
-        const Frame *mFrame;
-
-    public:
-        StreamingView(const Frame *frame) : mFrame(frame), View () {}
-        template <class Archive>
-        void save(cereal::BinaryInputArchive &) const;
-        template <class Archive>
-        void load(cereal::BinaryOutputArchive &) const;
-    };
-
-}