plugins: use G_PARAM_STATIC_STRINGS.

This avoids a few string copies during initialization.

gst-libs/gst/vaapi/gstvaapifilter.c

@@ -271,7 +271,7 @@ init_properties(void)
                           "The forced output pixel format",
                           GST_TYPE_VIDEO_FORMAT,
                           DEFAULT_FORMAT,
-                          G_PARAM_READWRITE);
+                          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:crop-rect:
@@ -283,7 +283,7 @@ init_properties(void)
                            "Cropping Rectangle",
                            "The cropping rectangle",
                            GST_VAAPI_TYPE_RECTANGLE,
-                           G_PARAM_READWRITE);
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:denoise:
@@ -295,7 +295,7 @@ init_properties(void)
                            "Denoising Level",
                            "The level of denoising to apply",
                            0.0, 1.0, 0.0,
-                           G_PARAM_READWRITE);
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:sharpen:
@@ -308,7 +308,7 @@ init_properties(void)
                            "Sharpening Level",
                            "The level of sharpening/blurring to apply",
                            -1.0, 1.0, 0.0,
-                           G_PARAM_READWRITE);
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:hue:
@@ -321,7 +321,7 @@ init_properties(void)
                            "Hue",
                            "The color hue value",
                            -180.0, 180.0, 0.0,
-                           G_PARAM_READWRITE);
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:saturation:
@@ -334,7 +334,7 @@ init_properties(void)
                            "Saturation",
                            "The color saturation value",
                            0.0, 2.0, 1.0,
-                           G_PARAM_READWRITE);
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:brightness:
@@ -347,7 +347,7 @@ init_properties(void)
                            "Brightness",
                            "The color brightness value",
                            -1.0, 1.0, 0.0,
-                           G_PARAM_READWRITE);
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:contrast:
@@ -360,7 +360,7 @@ init_properties(void)
                            "Contrast",
                            "The color contrast value",
                            0.0, 2.0, 1.0,
-                           G_PARAM_READWRITE);
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     /**
      * GstVaapiFilter:deinterlace-method:
@@ -374,7 +374,7 @@ init_properties(void)
                           "Deinterlacing method to apply",
                           GST_VAAPI_TYPE_DEINTERLACE_METHOD,
                           GST_VAAPI_DEINTERLACE_METHOD_NONE,
-                          G_PARAM_READWRITE);
+                          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 }
 
 static void

gst/vaapi/gstvaapiencode_h264.c

@@ -336,32 +336,38 @@ gst_vaapiencode_h264_class_init (GstVaapiEncodeH264Class * klass)
       g_param_spec_uint ("key-period",
           "Key Period",
           "Maximal distance between two key-frames",
-          1,
-          300, GST_VAAPI_ENCODER_H264_DEFAULT_INTRA_PERIOD, G_PARAM_READWRITE));
+          1, 300, GST_VAAPI_ENCODER_H264_DEFAULT_INTRA_PERIOD,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (object_class,
       PROP_MAX_BFRAMES,
       g_param_spec_uint ("max-bframes",
           "Max B-Frames",
-          "Number of B-frames between I and P", 0, 10, 0, G_PARAM_READWRITE));
+          "Number of B-frames between I and P",
+          0, 10, 0,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (object_class,
       PROP_INIT_QP,
       g_param_spec_uint ("init-qp",
           "Initial QP",
           "Initial quantizer value",
-          1, 51, GST_VAAPI_ENCODER_H264_DEFAULT_INIT_QP, G_PARAM_READWRITE));
+          1, 51, GST_VAAPI_ENCODER_H264_DEFAULT_INIT_QP,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (object_class,
       PROP_MIN_QP,
       g_param_spec_uint ("min-qp",
           "Minimum QP",
           "Minimum quantizer value",
-          1, 51, GST_VAAPI_ENCODER_H264_DEFAULT_MIN_QP, G_PARAM_READWRITE));
+          1, 51, GST_VAAPI_ENCODER_H264_DEFAULT_MIN_QP,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (object_class,
       PROP_NUM_SLICES,
       g_param_spec_uint ("num-slices",
-          "Number of Slices", "Number of slices per frame", 1, 200,
-          1, G_PARAM_READWRITE));
+          "Number of Slices",
+          "Number of slices per frame",
+          1, 200, 1,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }

gst/vaapi/gstvaapiencode_mpeg2.c

@@ -214,7 +214,8 @@ gst_vaapiencode_mpeg2_class_init (GstVaapiEncodeMpeg2Class * klass)
           "Constant quantizer (if rate-control mode is CQP)",
           GST_VAAPI_ENCODER_MPEG2_MIN_CQP,
           GST_VAAPI_ENCODER_MPEG2_MAX_CQP,
-          GST_VAAPI_ENCODER_MPEG2_DEFAULT_CQP, G_PARAM_READWRITE));
+          GST_VAAPI_ENCODER_MPEG2_DEFAULT_CQP,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (object_class,
       PROP_KEY_PERIOD,
@@ -223,7 +224,8 @@ gst_vaapiencode_mpeg2_class_init (GstVaapiEncodeMpeg2Class * klass)
           "Maximal distance between two key-frames",
           1,
           GST_VAAPI_ENCODER_MPEG2_MAX_GOP_SIZE,
-          GST_VAAPI_ENCODER_MPEG2_DEFAULT_GOP_SIZE, G_PARAM_READWRITE));
+          GST_VAAPI_ENCODER_MPEG2_DEFAULT_GOP_SIZE,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (object_class,
       PROP_MAX_BFRAMES,
@@ -232,5 +234,6 @@ gst_vaapiencode_mpeg2_class_init (GstVaapiEncodeMpeg2Class * klass)
           "Number of B-frames between I and P",
           0,
           GST_VAAPI_ENCODER_MPEG2_MAX_MAX_BFRAMES,
-          GST_VAAPI_ENCODER_MPEG2_DEFAULT_MAX_BFRAMES, G_PARAM_READWRITE));
+          GST_VAAPI_ENCODER_MPEG2_DEFAULT_MAX_BFRAMES,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }

gst/vaapi/gstvaapipostproc.c

@@ -1716,7 +1716,7 @@ gst_vaapipostproc_class_init(GstVaapiPostprocClass *klass)
                            "Width",
                            "Forced output width",
                            0, G_MAXINT, 0,
-                           G_PARAM_READWRITE));
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
     /**
      * GstVaapiPostproc:height:
@@ -1732,7 +1732,7 @@ gst_vaapipostproc_class_init(GstVaapiPostprocClass *klass)
                            "Height",
                            "Forced output height",
                            0, G_MAXINT, 0,
-                           G_PARAM_READWRITE));
+                           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
     /**
      * GstVaapiPostproc:force-aspect-ratio:
@@ -1748,7 +1748,7 @@ gst_vaapipostproc_class_init(GstVaapiPostprocClass *klass)
                               "Force aspect ratio",
                               "When enabled, scaling will respect original aspect ratio",
                               TRUE,
-                              G_PARAM_READWRITE));
+                              G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
     /**
      * GstVaapiPostproc:denoise:

gst/vaapi/gstvaapisink.c

@@ -1514,7 +1514,7 @@ gst_vaapisink_class_init(GstVaapiSinkClass *klass)
                               "OpenGL rendering",
                               "Enables OpenGL rendering",
                               FALSE,
-                              G_PARAM_READWRITE));
+                              G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
     g_object_class_install_property
         (object_class,
@@ -1523,7 +1523,7 @@ gst_vaapisink_class_init(GstVaapiSinkClass *klass)
                               "Reflection effect",
                               "Enables OpenGL reflection effect",
                               FALSE,
-                              G_PARAM_READWRITE));
+                              G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 #endif
 
     g_object_class_install_property
@@ -1533,7 +1533,7 @@ gst_vaapisink_class_init(GstVaapiSinkClass *klass)
                               "Fullscreen",
                               "Requests window in fullscreen state",
                               FALSE,
-                              G_PARAM_READWRITE));
+                              G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
     /**
      * GstVaapiSink:synchronous:
@@ -1548,7 +1548,7 @@ gst_vaapisink_class_init(GstVaapiSinkClass *klass)
                               "Synchronous mode",
                               "Toggles X display synchronous mode",
                               FALSE,
-                              G_PARAM_READWRITE));
+                              G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
     /**
      * GstVaapiSink:rotation:
@@ -1578,7 +1578,7 @@ gst_vaapisink_class_init(GstVaapiSinkClass *klass)
                               "Force aspect ratio",
                               "When enabled, scaling will respect original aspect ratio",
                               TRUE,
-                              G_PARAM_READWRITE));
+                              G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }
 
 static void

gst/vaapi/gstvaapiuploader.c

@@ -307,7 +307,7 @@ gst_vaapi_uploader_class_init(GstVaapiUploaderClass *klass)
             "display",
             "Display",
             "The GstVaapiDisplay this object is bound to",
-            G_PARAM_READWRITE));
+            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }
 
 static void