videoio: refactored XINE backend

modules/videoio/include/opencv2/videoio.hpp

@@ -116,7 +116,8 @@ enum VideoCaptureAPIs {
        CAP_IMAGES       = 2000,         //!< OpenCV Image Sequence (e.g. img_%02d.jpg)
        CAP_ARAVIS       = 2100,         //!< Aravis SDK
        CAP_OPENCV_MJPEG = 2200,         //!< Built-in OpenCV MotionJPEG codec
-       CAP_INTEL_MFX    = 2300          //!< Intel MediaSDK
+       CAP_INTEL_MFX    = 2300,         //!< Intel MediaSDK
+       CAP_XINE         = 2400,         //!< XINE engine (Linux)
      };
 
 /** @brief %VideoCapture generic properties identifier.

modules/videoio/src/cap.cpp

@@ -311,15 +311,11 @@ CV_IMPL CvCapture * cvCreateFileCaptureWithPreference (const char * filename, in
         if (apiPreference) break;
 #endif
 
-    case CAP_MSMF:
 #ifdef HAVE_MSMF
+    case CAP_MSMF:
         TRY_OPEN(result, cvCreateFileCapture_MSMF (filename))
-#endif
-
-#ifdef HAVE_XINE
-        TRY_OPEN(result, cvCreateFileCapture_XINE (filename))
-#endif
         if (apiPreference) break;
+#endif
 
 #ifdef HAVE_VFW
     case CAP_VFW:
@@ -533,6 +529,14 @@ static Ptr<IVideoCapture> IVideoCapture_create(const String& filename, int apiPr
 {
     bool useAny = (apiPreference == CAP_ANY);
     Ptr<IVideoCapture> capture;
+#ifdef HAVE_XINE
+    if (useAny || apiPreference == CAP_XINE)
+    {
+        capture = createXINECapture(filename.c_str());
+        if (capture && capture->isOpened())
+            return capture;
+    }
+#endif
 #ifdef HAVE_GPHOTO2
     if (useAny || apiPreference == CAP_GPHOTO2)
     {

modules/videoio/src/precomp.hpp

@@ -133,8 +133,6 @@ CvCapture* cvCreateCameraCapture_Aravis( int index );
 CvCapture* cvCreateFileCapture_Images(const char* filename);
 CvVideoWriter* cvCreateVideoWriter_Images(const char* filename);
 
-CvCapture* cvCreateFileCapture_XINE (const char* filename);
-
 
 #define CV_CAP_GSTREAMER_1394		0
 #define CV_CAP_GSTREAMER_V4L		1
@@ -195,6 +193,8 @@ namespace cv
 
     Ptr<IVideoCapture> createGPhoto2Capture(int index);
     Ptr<IVideoCapture> createGPhoto2Capture(const String& deviceName);
+
+    Ptr<IVideoCapture> createXINECapture(const char* filename);
 }
 
 #endif /* __VIDEOIO_H_ */

modules/videoio/test/test_video_io.cpp

@@ -131,7 +131,7 @@ public:
             return;
         }
 
-        if (ext != "wmv")
+        if (ext != "wmv" && ext != "h264" && ext != "h265")
         {
             SCOPED_TRACE("progressive seek");
             ASSERT_TRUE(cap.set(CAP_PROP_POS_FRAMES, 0));
@@ -141,7 +141,7 @@ public:
             }
         }
 
-        if (ext != "mpg" && ext != "wmv")
+        if (ext != "mpg" && ext != "wmv" && ext != "h264" && ext != "h265")
         {
             SCOPED_TRACE("random seek");
             ASSERT_TRUE(cap.set(CAP_PROP_POS_FRAMES, 0));
@@ -334,6 +334,11 @@ int backend_params[] = {
 #ifdef HAVE_FFMPEG
     CAP_FFMPEG,
 #endif
+
+#ifdef HAVE_XINE
+    CAP_XINE,
+#endif
+
     CAP_OPENCV_MJPEG
     // CAP_INTEL_MFX
 };
@@ -345,6 +350,8 @@ string bunny_params[] = {
     string("mp4"),
     string("mpg"),
     string("avi"),
+    string("h264"),
+    string("h265"),
 #endif
     string("mjpg.avi")
 };