Merge pull request #5723 from dtmoodie:win_gst

CMakeLists.txt

@@ -169,7 +169,7 @@ OCV_OPTION(WITH_NVCUVID        "Include NVidia Video Decoding library support"
 OCV_OPTION(WITH_EIGEN          "Include Eigen2/Eigen3 support"               ON   IF (NOT WINRT) )
 OCV_OPTION(WITH_VFW            "Include Video for Windows support"           ON   IF WIN32 )
 OCV_OPTION(WITH_FFMPEG         "Include FFMPEG support"                      ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
-OCV_OPTION(WITH_GSTREAMER      "Include Gstreamer support"                   ON   IF (UNIX AND NOT ANDROID) )
+OCV_OPTION(WITH_GSTREAMER      "Include Gstreamer support"                   ON   IF (NOT ANDROID) )
 OCV_OPTION(WITH_GSTREAMER_0_10 "Enable Gstreamer 0.10 support (instead of 1.x)"                              OFF )
 OCV_OPTION(WITH_GTK            "Include GTK support"                         ON   IF (UNIX AND NOT APPLE AND NOT ANDROID) )
 OCV_OPTION(WITH_GTK_2_X        "Use GTK version 2"                           OFF  IF (UNIX AND NOT APPLE AND NOT ANDROID) )

cmake/OpenCVFindLibsVideo.cmake

@@ -14,22 +14,35 @@ endif(WITH_VFW)
 ocv_clear_vars(HAVE_GSTREAMER)
 # try to find gstreamer 1.x first if 0.10 was not requested
 if(WITH_GSTREAMER AND NOT WITH_GSTREAMER_0_10)
-  CHECK_MODULE(gstreamer-base-1.0 HAVE_GSTREAMER_BASE)
-  CHECK_MODULE(gstreamer-video-1.0 HAVE_GSTREAMER_VIDEO)
-  CHECK_MODULE(gstreamer-app-1.0 HAVE_GSTREAMER_APP)
-  CHECK_MODULE(gstreamer-riff-1.0 HAVE_GSTREAMER_RIFF)
-  CHECK_MODULE(gstreamer-pbutils-1.0 HAVE_GSTREAMER_PBUTILS)
+  if(WIN32)
+    SET(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_LIST_DIR}")
+    FIND_PACKAGE(GstreamerWindows)
+    IF(GSTREAMER_gstbase_LIBRARY AND GSTREAMER_gstvideo_LIBRARY AND GSTREAMER_gstapp_LIBRARY AND GSTREAMER_gstpbutils_LIBRARY AND GSTREAMER_gstriff_LIBRARY)
+      set(HAVE_GSTREAMER TRUE)
+      set(GSTREAMER_BASE_VERSION 1.0)
+      set(GSTREAMER_VIDEO_VERSION 1.0)
+      set(GSTREAMER_APP_VERSION 1.0)
+      set(GSTREAMER_RIFF_VERSION 1.0)
+      set(GSTREAMER_PBUTILS_VERSION 1.0)
+    ENDIF(GSTREAMER_gstbase_LIBRARY AND GSTREAMER_gstvideo_LIBRARY AND GSTREAMER_gstapp_LIBRARY AND GSTREAMER_gstpbutils_LIBRARY AND GSTREAMER_gstriff_LIBRARY)
 
-  if(HAVE_GSTREAMER_BASE AND HAVE_GSTREAMER_VIDEO AND HAVE_GSTREAMER_APP AND HAVE_GSTREAMER_RIFF AND HAVE_GSTREAMER_PBUTILS)
+  else(WIN32)
+    CHECK_MODULE(gstreamer-base-1.0 HAVE_GSTREAMER_BASE)
+    CHECK_MODULE(gstreamer-video-1.0 HAVE_GSTREAMER_VIDEO)
+    CHECK_MODULE(gstreamer-app-1.0 HAVE_GSTREAMER_APP)
+    CHECK_MODULE(gstreamer-riff-1.0 HAVE_GSTREAMER_RIFF)
+    CHECK_MODULE(gstreamer-pbutils-1.0 HAVE_GSTREAMER_PBUTILS)
+
+    if(HAVE_GSTREAMER_BASE AND HAVE_GSTREAMER_VIDEO AND HAVE_GSTREAMER_APP AND HAVE_GSTREAMER_RIFF AND HAVE_GSTREAMER_PBUTILS)
       set(HAVE_GSTREAMER TRUE)
       set(GSTREAMER_BASE_VERSION ${ALIASOF_gstreamer-base-1.0_VERSION})
       set(GSTREAMER_VIDEO_VERSION ${ALIASOF_gstreamer-video-1.0_VERSION})
       set(GSTREAMER_APP_VERSION ${ALIASOF_gstreamer-app-1.0_VERSION})
       set(GSTREAMER_RIFF_VERSION ${ALIASOF_gstreamer-riff-1.0_VERSION})
       set(GSTREAMER_PBUTILS_VERSION ${ALIASOF_gstreamer-pbutils-1.0_VERSION})
-  endif()
-
-endif()
+    endif()
+  endif(WIN32)
+endif(WITH_GSTREAMER AND NOT WITH_GSTREAMER_0_10)
 
 # if gstreamer 1.x was not found, or we specified we wanted 0.10, try to find it
 if(WITH_GSTREAMER AND NOT HAVE_GSTREAMER OR WITH_GSTREAMER_0_10)

modules/videoio/CMakeLists.txt

@@ -92,6 +92,10 @@ if(HAVE_DC1394)
 endif(HAVE_DC1394)
 
 if(HAVE_GSTREAMER)
+  IF(WIN32)
+    INCLUDE_DIRECTORIES(${GSTREAMER_INCLUDE_DIR})
+    list(APPEND VIDEOIO_LIBRARIES ${GSTREAMER_LIBRARIES})
+  ENDIF(WIN32)
   list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_gstreamer.cpp)
 endif(HAVE_GSTREAMER)
 

modules/videoio/src/cap_gstreamer.cpp

@@ -48,7 +48,9 @@
  * \brief Use GStreamer to read/write video
  */
 #include "precomp.hpp"
+#ifndef _MSC_VER
 #include <unistd.h>
+#endif
 #include <string.h>
 #include <gst/gst.h>
 #include <gst/gstbuffer.h>
@@ -84,6 +86,14 @@
 #define COLOR_ELEM_NAME COLOR_ELEM
 #endif
 
+#if defined(_WIN32) || defined(_WIN64)
+#define snprintf _snprintf
+#define vsnprintf _vsnprintf
+#define strcasecmp _stricmp
+#define strncasecmp _strnicmp
+#include <sys/stat.h>
+#endif
+
 void toFraction(double decimal, double &numerator, double &denominator);
 void handleMessage(GstElement * pipeline);
 
@@ -590,9 +600,20 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
     // else, we might have a file or a manual pipeline.
     // if gstreamer cannot parse the manual pipeline, we assume we were given and
     // ordinary file path.
-    if(!gst_uri_is_valid(filename))
+    if (!gst_uri_is_valid(filename))
     {
+#ifdef _MSC_VER
+        uri = new char[2048];
+        DWORD pathSize = GetFullPathName(filename, 2048, uri, NULL);
+        struct stat buf;
+        if (pathSize == 0 || stat(uri, &buf) != 0)
+        {
+            delete uri;
+            uri = NULL;
+        }
+#else
         uri = realpath(filename, NULL);
+#endif
         stream = false;
         if(uri)
         {