From 86ec9b79fd4c69c66fcd9ea9c600c7b60824b135 Mon Sep 17 00:00:00 2001
From: Dominik Rose <mya@server.fake>
Date: Tue, 14 May 2013 16:20:01 +0200
Subject: [PATCH] libd1394 2.x support for mingw on windows added

---
 CMakeLists.txt                        | 15 +++++++++++++-
 cmake/OpenCVFindLibsVideo.cmake       | 37 ++++++++++++++++++++++++++++++-----
 cmake/OpenCVUtils.cmake               |  7 +++++++
 modules/highgui/src/cap_dc1394_v2.cpp | 11 ++++++++++-
 4 files changed, 63 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93549c9..35bfaf2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,6 +103,19 @@ if(UNIX AND NOT ANDROID)
   endif()
 endif()
 
+# Add these standard paths to the search paths for FIND_PATH
+# to find include files from these locations first
+if(MINGW)
+  if(EXISTS /mingw)
+      list(APPEND CMAKE_LIBRARY_PATH /mingw)
+  endif()
+  if(EXISTS /mingw32)
+      list(APPEND CMAKE_LIBRARY_PATH /mingw32)
+  endif()
+  if(EXISTS /mingw64)
+      list(APPEND CMAKE_LIBRARY_PATH /mingw64)
+  endif()
+endif()
 
 # ----------------------------------------------------------------------------
 # OpenCV cmake options
@@ -110,7 +123,7 @@ endif()
 
 # Optional 3rd party components
 # ===================================================
-OCV_OPTION(WITH_1394           "Include IEEE1394 support"                    ON   IF (UNIX AND NOT ANDROID AND NOT IOS) )
+OCV_OPTION(WITH_1394           "Include IEEE1394 support"                    ON   IF (NOT ANDROID AND NOT IOS) )
 OCV_OPTION(WITH_AVFOUNDATION   "Use AVFoundation for Video I/O"              ON   IF IOS)
 OCV_OPTION(WITH_CARBON         "Use Carbon for UI instead of Cocoa"          OFF  IF APPLE )
 OCV_OPTION(WITH_CUDA           "Include NVidia Cuda Runtime support"         ON   IF (CMAKE_VERSION VERSION_GREATER "2.8" AND NOT ANDROID AND NOT IOS) )
diff --git a/cmake/OpenCVFindLibsVideo.cmake b/cmake/OpenCVFindLibsVideo.cmake
index fbb47d4..599bd9f 100644
--- a/cmake/OpenCVFindLibsVideo.cmake
+++ b/cmake/OpenCVFindLibsVideo.cmake
@@ -81,10 +81,37 @@ endif(WITH_GIGEAPI)
 # --- Dc1394 ---
 ocv_clear_vars(HAVE_DC1394 HAVE_DC1394_2)
 if(WITH_1394)
-  CHECK_MODULE(libdc1394-2 HAVE_DC1394_2)
-  if(NOT HAVE_DC1394_2)
-    CHECK_MODULE(libdc1394 HAVE_DC1394)
-  endif()
+  if(WIN32)
+    if(MINGW)
+      find_path(CMU1394_INCLUDE_PATH "/1394common.h"
+                PATH_SUFFIXES include
+                DOC "The path to cmu1394 headers")
+      find_path(DC1394_2_INCLUDE_PATH "/dc1394/dc1394.h"
+                PATH_SUFFIXES include
+                DOC "The path to DC1394 2.x headers")
+      if(CMU1394_INCLUDE_PATH AND DC1394_2_INCLUDE_PATH)
+        set(CMU1394_LIB_DIR  "${CMU1394_INCLUDE_PATH}/../lib"  CACHE PATH "Full path of CMU1394 library directory")
+        set(DC1394_2_LIB_DIR "${DC1394_2_INCLUDE_PATH}/../lib" CACHE PATH "Full path of DC1394 2.x library directory")
+        if(EXISTS "${CMU1394_LIB_DIR}/lib1394camera.a" AND EXISTS "${DC1394_2_LIB_DIR}/libdc1394.a")
+          set(HAVE_DC1394_2 TRUE)
+        endif()
+      endif()
+      if(HAVE_DC1394_2)
+        ocv_parse_pkg("libdc1394-2" "${DC1394_2_LIB_DIR}/pkgconfig" "")
+        ocv_include_directories(${DC1394_2_INCLUDE_PATH})
+        set(HIGHGUI_LIBRARIES ${HIGHGUI_LIBRARIES}
+            "${DC1394_2_LIB_DIR}/libdc1394.a"
+            "${CMU1394_LIB_DIR}/lib1394camera.a")
+      endif(HAVE_DC1394_2)
+    else(MINGW)
+      message(STATUS "libdc1394 compilation is disabled (due to only MinGW compiler supported on your platform).")
+    endif(MINGW)
+  else(WIN32)
+    CHECK_MODULE(libdc1394-2 HAVE_DC1394_2)
+    if(NOT HAVE_DC1394_2)
+      CHECK_MODULE(libdc1394 HAVE_DC1394)
+    endif()
+  endif(WIN32)
 endif(WITH_1394)
 
 # --- xine ---
@@ -197,7 +224,7 @@ endif(WITH_MSMF)
 
 # --- Extra HighGUI libs on Windows ---
 if(WIN32)
-  list(APPEND HIGHGUI_LIBRARIES comctl32 gdi32 ole32 vfw32)
+  list(APPEND HIGHGUI_LIBRARIES comctl32 gdi32 ole32 setupapi ws2_32 vfw32)
   if(MINGW64)
     list(APPEND HIGHGUI_LIBRARIES avifil32 avicap32 winmm msvfw32)
     list(REMOVE_ITEM HIGHGUI_LIBRARIES vfw32)
diff --git a/cmake/OpenCVUtils.cmake b/cmake/OpenCVUtils.cmake
index db24c99..e6fcda6 100644
--- a/cmake/OpenCVUtils.cmake
+++ b/cmake/OpenCVUtils.cmake
@@ -511,6 +511,13 @@ macro(ocv_parse_header2 LIBNAME HDR_PATH VARNAME)
   endif()
 endmacro()
 
+# read single version info from the pkg file
+macro(ocv_parse_pkg LIBNAME PKG_PATH SCOPE)
+  if(EXISTS "${PKG_PATH}/${LIBNAME}.pc")
+    file(STRINGS "${PKG_PATH}/${LIBNAME}.pc" line_to_parse REGEX "^Version:[ \t]+[0-9.]*.*$" LIMIT_COUNT 1)
+    STRING(REGEX REPLACE ".*Version: ([^ ]+).*" "\\1" ALIASOF_${LIBNAME}_VERSION "${line_to_parse}" )
+  endif()
+endmacro()
 
 ################################################################################################
 # short command to setup source group
diff --git a/modules/highgui/src/cap_dc1394_v2.cpp b/modules/highgui/src/cap_dc1394_v2.cpp
index 2aa494f..ea7e4b2 100644
--- a/modules/highgui/src/cap_dc1394_v2.cpp
+++ b/modules/highgui/src/cap_dc1394_v2.cpp
@@ -45,7 +45,16 @@
 
 #include <unistd.h>
 #include <stdint.h>
-#include <sys/select.h>
+#ifdef WIN32
+  // On Windows, we have no sys/select.h, but we need to pick up
+  // select() which is in winsock2.
+  #ifndef __SYS_SELECT_H__
+    #define __SYS_SELECT_H__ 1
+    #include <winsock2.h>
+  #endif
+#else
+  #include <sys/select.h>
+#endif /*WIN32*/
 #include <dc1394/dc1394.h>
 #include <stdlib.h>
 #include <string.h>
-- 
2.7.4