From: Stefan Kost <ensonic@users.sf.net>
Date: Wed, 13 Oct 2010 13:25:15 +0000 (+0300)
Subject: various (ext): add a missing G_PARAM_STATIC_STRINGS flags
X-Git-Tag: RELEASE-0.10.26~42
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45f67077841d6e843f3ae264265e46bc5eff87c5;p=platform%2Fupstream%2Fgst-plugins-good.git

various (ext): add a missing G_PARAM_STATIC_STRINGS flags
---

diff --git a/ext/aalib/gstaasink.c b/ext/aalib/gstaasink.c
index 113f5b1..06d3199 100644
--- a/ext/aalib/gstaasink.c
+++ b/ext/aalib/gstaasink.c
@@ -216,37 +216,38 @@ gst_aasink_class_init (GstAASinkClass * klass)
   /* FIXME: add long property descriptions */
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH,
       g_param_spec_int ("width", "width", "width", G_MININT, G_MAXINT, 0,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEIGHT,
       g_param_spec_int ("height", "height", "height", G_MININT, G_MAXINT, 0,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DRIVER,
       g_param_spec_enum ("driver", "driver", "driver", GST_TYPE_AADRIVERS, 0,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DITHER,
       g_param_spec_enum ("dither", "dither", "dither", GST_TYPE_AADITHER, 0,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BRIGHTNESS,
       g_param_spec_int ("brightness", "brightness", "brightness", G_MININT,
-          G_MAXINT, 0, G_PARAM_READWRITE));
+          G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CONTRAST,
       g_param_spec_int ("contrast", "contrast", "contrast", G_MININT, G_MAXINT,
-          0, G_PARAM_READWRITE));
+          0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_GAMMA,
       g_param_spec_float ("gamma", "gamma", "gamma", 0.0, 5.0, 1.0,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_INVERSION,
       g_param_spec_boolean ("inversion", "inversion", "inversion", TRUE,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RANDOMVAL,
       g_param_spec_int ("randomval", "randomval", "randomval", G_MININT,
-          G_MAXINT, 0, G_PARAM_READWRITE));
+          G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAMES_DISPLAYED,
       g_param_spec_int ("frames-displayed", "frames displayed",
-          "frames displayed", G_MININT, G_MAXINT, 0, G_PARAM_READABLE));
+          "frames displayed", G_MININT, G_MAXINT, 0,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAME_TIME,
       g_param_spec_int ("frame-time", "frame time", "frame time", G_MININT,
-          G_MAXINT, 0, G_PARAM_READABLE));
+          G_MAXINT, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
   gst_aasink_signals[SIGNAL_FRAME_DISPLAYED] =
       g_signal_new ("frame-displayed", G_TYPE_FROM_CLASS (klass),
diff --git a/ext/annodex/gstcmmldec.c b/ext/annodex/gstcmmldec.c
index 3d5e34c..79b267a 100644
--- a/ext/annodex/gstcmmldec.c
+++ b/ext/annodex/gstcmmldec.c
@@ -146,7 +146,7 @@ gst_cmml_dec_class_init (GstCmmlDecClass * dec_class)
           "Wait clip end time",
           "Send a tag for a clip when the clip ends, setting its end-time. "
           "Use when you need to know both clip's start-time and end-time.",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }
 
 static void
diff --git a/ext/annodex/gstcmmlenc.c b/ext/annodex/gstcmmlenc.c
index 3df58bb..a3255dc 100644
--- a/ext/annodex/gstcmmlenc.c
+++ b/ext/annodex/gstcmmlenc.c
@@ -130,19 +130,22 @@ gst_cmml_enc_class_init (GstCmmlEncClass * enc_class)
       g_param_spec_int64 ("granule-rate-numerator",
           "Granulerate numerator",
           "Granulerate numerator",
-          0, G_MAXINT64, 1000, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          0, G_MAXINT64, 1000,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_ENC_GRANULERATE_D,
       g_param_spec_int64 ("granule-rate-denominator",
           "Granulerate denominator",
           "Granulerate denominator",
-          0, G_MAXINT64, 1, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          0, G_MAXINT64, 1,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_ENC_GRANULESHIFT,
       g_param_spec_uchar ("granule-shift",
           "Granuleshift",
           "The number of lower bits to use for partitioning a granule position",
-          0, 64, 32, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          0, 64, 32,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   GST_ELEMENT_CLASS (klass)->change_state = gst_cmml_enc_change_state;
 }
diff --git a/ext/annodex/gstcmmltag.c b/ext/annodex/gstcmmltag.c
index a224c6d..2cf5d5f 100644
--- a/ext/annodex/gstcmmltag.c
+++ b/ext/annodex/gstcmmltag.c
@@ -100,20 +100,22 @@ gst_cmml_tag_stream_class_init (GstCmmlTagStreamClass * stream_class)
       g_param_spec_string ("base-time",
           "Base time",
           "Playback time (in seconds) of the first data packet",
-          "0", G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          "0", G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_STREAM_UTC,
       g_param_spec_string ("calendar-base-time",
           "Calendar base time",
           "Date and wall-clock time (expressed as UTC time in the format "
           "YYYYMMDDTHHMMSS.sssZ) associated with the base-time",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_STREAM_IMPORTS,
       g_param_spec_value_array ("input-streams",
           "Input streams",
           "List of input streams that compose this bitstream",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_CMML_TAG_STREAM,
       gst_cmml_tag_stream_value_from_string_value);
@@ -223,19 +225,22 @@ gst_cmml_tag_head_class_init (GstCmmlTagHeadClass * head_class)
       g_param_spec_string ("title",
           "Title",
           "Title of the bitstream",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_HEAD_BASE,
       g_param_spec_string ("base-uri",
           "Base URI",
           "Base URI of the bitstream. All relative URIs are relative to this",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_HEAD_META,
       g_param_spec_value_array ("meta",
           "Meta annotations",
           "Meta annotations for the complete Annodex bitstream",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_CMML_TAG_HEAD,
       gst_cmml_tag_head_value_from_string_value);
@@ -344,68 +349,77 @@ gst_cmml_tag_clip_class_init (GstCmmlTagClipClass * clip_class)
       g_param_spec_boolean ("empty",
           "Empty clip flag",
           "An empty clip only marks the end of the previous clip",
-          TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          TRUE,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_ID,
       g_param_spec_string ("id",
           "Clip id",
-          "Id of the clip", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          "Id of the clip", NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_TRACK,
       g_param_spec_string ("track",
           "Track number",
           "The track this clip belongs to",
-          "default", G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          "default",
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_START_TIME,
       g_param_spec_uint64 ("start-time",
           "Start time",
           "The start time (in seconds) of the clip",
           0, G_MAXUINT64, GST_CLOCK_TIME_NONE,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_END_TIME,
       g_param_spec_uint64 ("end-time",
           "End time",
           "The end time (in seconds) of the clip (only set if extract-mode=true)",
           0, G_MAXUINT64, GST_CLOCK_TIME_NONE,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_ANCHOR_HREF,
       g_param_spec_string ("anchor-uri",
           "Anchor URI",
           "The location of a Web resource closely connected to the clip",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_ANCHOR_TEXT,
       g_param_spec_string ("anchor-text",
           "Anchor text",
           "A short description of the resource pointed by anchor-uri",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_IMG_SRC,
       g_param_spec_string ("img-uri",
           "Image URI",
           "The URI of a representative image for the clip",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_IMG_ALT,
       g_param_spec_string ("img-alt",
           "Image alternative text",
           "Alternative text to be displayed instead of the image "
-          "specified in img-uri", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          "specified in img-uri", NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_DESC_TEXT,
       g_param_spec_string ("description",
           "Description",
           "A textual description of the content of the clip",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (klass, GST_CMML_TAG_CLIP_META,
       g_param_spec_value_array ("meta",
           "Meta annotations",
           "Meta annotations for the clip",
-          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          NULL,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_CMML_TAG_CLIP,
       gst_cmml_tag_clip_value_from_string_value);
diff --git a/ext/cairo/gsttextoverlay.c b/ext/cairo/gsttextoverlay.c
index 0db4444..364b8ba 100644
--- a/ext/cairo/gsttextoverlay.c
+++ b/ext/cairo/gsttextoverlay.c
@@ -158,44 +158,47 @@ gst_text_overlay_class_init (GstCairoTextOverlayClass * klass)
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TEXT,
       g_param_spec_string ("text", "text",
-          "Text to be display.", "", G_PARAM_WRITABLE));
+          "Text to be display.", "",
+          G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SHADING,
       g_param_spec_boolean ("shaded-background", "shaded background",
           "Whether to shade the background under the text area", FALSE,
-          G_PARAM_WRITABLE));
+          G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VALIGN,
       g_param_spec_string ("valign", "vertical alignment",
           "Vertical alignment of the text. "
           "Can be either 'baseline', 'bottom', or 'top'",
-          "baseline", G_PARAM_WRITABLE));
+          "baseline", G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HALIGN,
       g_param_spec_string ("halign", "horizontal alignment",
           "Horizontal alignment of the text. "
           "Can be either 'left', 'right', or 'center'",
-          "center", G_PARAM_WRITABLE));
+          "center", G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_XPAD,
       g_param_spec_int ("xpad", "horizontal paddding",
           "Horizontal paddding when using left/right alignment",
-          G_MININT, G_MAXINT, DEFAULT_XPAD, G_PARAM_WRITABLE));
+          G_MININT, G_MAXINT, DEFAULT_XPAD,
+          G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_YPAD,
       g_param_spec_int ("ypad", "vertical padding",
           "Vertical padding when using top/bottom alignment",
-          G_MININT, G_MAXINT, DEFAULT_YPAD, G_PARAM_WRITABLE));
+          G_MININT, G_MAXINT, DEFAULT_YPAD,
+          G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DELTAX,
       g_param_spec_int ("deltax", "X position modifier",
           "Shift X position to the left or to the right. Unit is pixels.",
-          G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE));
+          G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DELTAY,
       g_param_spec_int ("deltay", "Y position modifier",
           "Shift Y position up or down. Unit is pixels.",
-          G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE));
+          G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FONT_DESC,
       g_param_spec_string ("font-desc", "font description",
           "Pango font description of font "
           "to be used for rendering. "
           "See documentation of "
           "pango_font_description_from_string"
-          " for syntax.", "", G_PARAM_WRITABLE));
+          " for syntax.", "", G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
 }
 
 static void
diff --git a/ext/dv/gstdvdec.c b/ext/dv/gstdvdec.c
index 9ffb0f4..e7fd946 100644
--- a/ext/dv/gstdvdec.c
+++ b/ext/dv/gstdvdec.c
@@ -194,16 +194,18 @@ gst_dvdec_class_init (GstDVDecClass * klass)
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CLAMP_LUMA,
       g_param_spec_boolean ("clamp-luma", "Clamp luma", "Clamp luma",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CLAMP_CHROMA,
       g_param_spec_boolean ("clamp-chroma", "Clamp chroma", "Clamp chroma",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
       g_param_spec_enum ("quality", "Quality", "Decoding quality",
-          GST_TYPE_DVDEC_QUALITY, DV_DEFAULT_QUALITY, G_PARAM_READWRITE));
+          GST_TYPE_DVDEC_QUALITY, DV_DEFAULT_QUALITY,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DECODE_NTH,
       g_param_spec_int ("drop-factor", "Drop Factor", "Only decode Nth frame",
-          1, G_MAXINT, DV_DEFAULT_DECODE_NTH, G_PARAM_READWRITE));
+          1, G_MAXINT, DV_DEFAULT_DECODE_NTH,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gstelement_class->change_state = gst_dvdec_change_state;
 }
diff --git a/ext/esd/esdmon.c b/ext/esd/esdmon.c
index 33e7a6d..9cf9e7a 100644
--- a/ext/esd/esdmon.c
+++ b/ext/esd/esdmon.c
@@ -187,21 +187,23 @@ gst_esdmon_class_init (gpointer g_class, gpointer class_data)
   /* FIXME: add long property descriptions */
   g_object_class_install_property (gobject_class, ARG_BYTESPERREAD,
       g_param_spec_ulong ("bytes-per-read", "bytes per read", "bytes per read",
-          0, G_MAXULONG, 0, G_PARAM_READWRITE));
+          0, G_MAXULONG, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_CUROFFSET,
       g_param_spec_ulong ("curoffset", "curoffset", "curoffset",
-          0, G_MAXULONG, 0, G_PARAM_READABLE));
+          0, G_MAXULONG, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_DEPTH,
       g_param_spec_enum ("depth", "depth", "depth", GST_TYPE_ESDMON_DEPTHS,
-          16, G_PARAM_READWRITE));
+          16, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_CHANNELS,
       g_param_spec_enum ("channels", "channels", "channels",
-          GST_TYPE_ESDMON_CHANNELS, 2, G_PARAM_READWRITE));
+          GST_TYPE_ESDMON_CHANNELS, 2,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_RATE,
       g_param_spec_int ("frequency", "frequency", "frequency",
-          G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
+          G_MININT, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_HOST,
-      g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE));
+      g_param_spec_string ("host", "host", "host", NULL,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gobject_class->set_property = gst_esdmon_set_property;
   gobject_class->get_property = gst_esdmon_get_property;
diff --git a/ext/esd/esdsink.c b/ext/esd/esdsink.c
index caabd92..e6bc458 100644
--- a/ext/esd/esdsink.c
+++ b/ext/esd/esdsink.c
@@ -150,7 +150,8 @@ gst_esdsink_class_init (GstEsdSinkClass * klass)
   /* default value is filled in the _init method */
   g_object_class_install_property (gobject_class, PROP_HOST,
       g_param_spec_string ("host", "Host",
-          "The host running the esound daemon", NULL, G_PARAM_READWRITE));
+          "The host running the esound daemon", NULL,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }
 
 static void
diff --git a/ext/flac/gstflacenc.c b/ext/flac/gstflacenc.c
index c62f465..35a6bf3 100644
--- a/ext/flac/gstflacenc.c
+++ b/ext/flac/gstflacenc.c
@@ -294,72 +294,73 @@ gst_flac_enc_class_init (GstFlacEncClass * klass)
           "Quality",
           "Speed versus compression tradeoff",
           GST_TYPE_FLAC_ENC_QUALITY, DEFAULT_QUALITY,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable-subset",
           "Streamable subset",
           "true to limit encoder to generating a Subset stream, else false",
-          TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          TRUE,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MID_SIDE_STEREO,
       g_param_spec_boolean ("mid-side-stereo", "Do mid side stereo",
           "Do mid side stereo (only for stereo input)",
           flacenc_params[DEFAULT_QUALITY].mid_side,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose-mid-side-stereo",
           "Loose mid side stereo", "Loose mid side stereo",
           flacenc_params[DEFAULT_QUALITY].loose_mid_side,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCKSIZE,
       g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
           FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
           flacenc_params[DEFAULT_QUALITY].blocksize,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_LPC_ORDER,
       g_param_spec_uint ("max-lpc-order", "Max LPC order",
           "Max LPC order; 0 => use only fixed predictors", 0,
           FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp-coeff-precision",
           "QLP coefficients precision",
           "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
           0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp-coeff-prec-search",
           "Do QLP coefficients precision search",
           "false = use qlp_coeff_precision, "
           "true = search around qlp_coeff_precision, take best",
           flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ESCAPE_CODING,
       g_param_spec_boolean ("escape-coding", "Do Escape coding",
           "search for escape codes in the entropy coding stage "
           "for slightly better compression",
           flacenc_params[DEFAULT_QUALITY].escape_coding,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_EXHAUSTIVE_MODEL_SEARCH,
       g_param_spec_boolean ("exhaustive-model-search",
           "Do exhaustive model search",
           "do exhaustive search of LP coefficient quantization (expensive!)",
           flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_MIN_RESIDUAL_PARTITION_ORDER,
       g_param_spec_uint ("min-residual-partition-order",
           "Min residual partition order",
           "Min residual partition order (above 4 doesn't usually help much)", 0,
           16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_MAX_RESIDUAL_PARTITION_ORDER,
       g_param_spec_uint ("max-residual-partition-order",
           "Max residual partition order",
           "Max residual partition order (above 4 doesn't usually help much)", 0,
           16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass),
       PROP_RICE_PARAMETER_SEARCH_DIST,
       g_param_spec_uint ("rice-parameter-search-dist",
@@ -367,7 +368,7 @@ gst_flac_enc_class_init (GstFlacEncClass * klass)
           "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
           "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
           flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   /**
    * GstFlacEnc:padding
@@ -381,7 +382,8 @@ gst_flac_enc_class_init (GstFlacEncClass * klass)
       g_param_spec_uint ("padding",
           "Padding",
           "Write a PADDING block with this length in bytes", 0, G_MAXUINT,
-          DEFAULT_PADDING, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          DEFAULT_PADDING,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   /**
    * GstFlacEnc:seekpoints
@@ -397,7 +399,8 @@ gst_flac_enc_class_init (GstFlacEncClass * klass)
           "Seekpoints",
           "Add SEEKTABLE metadata (if > 0, number of entries, if < 0, interval in sec)",
           -G_MAXINT, G_MAXINT,
-          DEFAULT_SEEKPOINTS, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          DEFAULT_SEEKPOINTS,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
   gstelement_class->change_state = gst_flac_enc_change_state;
 }
diff --git a/ext/gdk_pixbuf/gstgdkpixbuf.c b/ext/gdk_pixbuf/gstgdkpixbuf.c
index 5c93a3f..51c24a1 100644
--- a/ext/gdk_pixbuf/gstgdkpixbuf.c
+++ b/ext/gdk_pixbuf/gstgdkpixbuf.c
@@ -182,7 +182,8 @@ gst_gdk_pixbuf_class_init (GstGdkPixbufClass * klass)
 
   g_object_class_install_property (gobject_class, ARG_SILENT,
       g_param_spec_boolean ("silent", "Silent",
-          "Produce verbose output ? (deprecated)", FALSE, G_PARAM_READWRITE));
+          "Produce verbose output ? (deprecated)", FALSE,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gstelement_class->change_state =
       GST_DEBUG_FUNCPTR (gst_gdk_pixbuf_change_state);
diff --git a/ext/gdk_pixbuf/gstgdkpixbufsink.c b/ext/gdk_pixbuf/gstgdkpixbufsink.c
index 3258358..f18d3c1 100644
--- a/ext/gdk_pixbuf/gstgdkpixbufsink.c
+++ b/ext/gdk_pixbuf/gstgdkpixbufsink.c
@@ -164,7 +164,7 @@ gst_gdk_pixbuf_sink_class_init (GstGdkPixbufSinkClass * klass)
       g_param_spec_boolean ("send-messages", "Send Messages",
           "Whether to post messages containing pixbufs on the bus "
           " (deprecated, use post-messages)",
-          DEFAULT_SEND_MESSAGES, G_PARAM_READWRITE));
+          DEFAULT_SEND_MESSAGES, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   /**
    * GstGdkPixbuf:post-messages:
    *
@@ -175,11 +175,12 @@ gst_gdk_pixbuf_sink_class_init (GstGdkPixbufSinkClass * klass)
   g_object_class_install_property (gobject_class, PROP_POST_MESSAGES,
       g_param_spec_boolean ("post-messages", "Post Messages",
           "Whether to post messages containing pixbufs on the bus",
-          DEFAULT_POST_MESSAGES, G_PARAM_READWRITE));
+          DEFAULT_POST_MESSAGES, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (gobject_class, PROP_LAST_PIXBUF,
       g_param_spec_object ("last-pixbuf", "Last Pixbuf",
-          "Last GdkPixbuf object rendered", GDK_TYPE_PIXBUF, G_PARAM_READABLE));
+          "Last GdkPixbuf object rendered", GDK_TYPE_PIXBUF,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
   basesink_class->start = GST_DEBUG_FUNCPTR (gst_gdk_pixbuf_sink_start);
   basesink_class->stop = GST_DEBUG_FUNCPTR (gst_gdk_pixbuf_sink_stop);
diff --git a/ext/gdk_pixbuf/pixbufscale.c b/ext/gdk_pixbuf/pixbufscale.c
index d8d9808..bedd982 100644
--- a/ext/gdk_pixbuf/pixbufscale.c
+++ b/ext/gdk_pixbuf/pixbufscale.c
@@ -144,7 +144,7 @@ gst_pixbufscale_class_init (GstPixbufScaleClass * klass)
       ARG_METHOD,
       g_param_spec_enum ("method", "method", "method",
           GST_TYPE_PIXBUFSCALE_METHOD, GST_PIXBUFSCALE_BILINEAR,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   trans_class->transform_caps =
       GST_DEBUG_FUNCPTR (gst_pixbufscale_transform_caps);
diff --git a/ext/hal/gsthalaudiosink.c b/ext/hal/gsthalaudiosink.c
index a009037..24b29da 100644
--- a/ext/hal/gsthalaudiosink.c
+++ b/ext/hal/gsthalaudiosink.c
@@ -95,7 +95,8 @@ gst_hal_audio_sink_class_init (GstHalAudioSinkClass * klass)
 
   g_object_class_install_property (oklass, PROP_UDI,
       g_param_spec_string ("udi",
-          "UDI", "Unique Device Id", NULL, G_PARAM_READWRITE));
+          "UDI", "Unique Device Id", NULL,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }
 
 /*
diff --git a/ext/hal/gsthalaudiosrc.c b/ext/hal/gsthalaudiosrc.c
index 5108f7d..de87848 100644
--- a/ext/hal/gsthalaudiosrc.c
+++ b/ext/hal/gsthalaudiosrc.c
@@ -97,7 +97,8 @@ gst_hal_audio_src_class_init (GstHalAudioSrcClass * klass)
 
   g_object_class_install_property (oklass, PROP_UDI,
       g_param_spec_string ("udi",
-          "UDI", "Unique Device Id", NULL, G_PARAM_READWRITE));
+          "UDI", "Unique Device Id", NULL,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }
 
 /*
diff --git a/ext/jpeg/gstjpegdec.c b/ext/jpeg/gstjpegdec.c
index 58d3ee1..50febc4 100644
--- a/ext/jpeg/gstjpegdec.c
+++ b/ext/jpeg/gstjpegdec.c
@@ -189,7 +189,8 @@ gst_jpeg_dec_class_init (GstJpegDecClass * klass)
   g_object_class_install_property (gobject_class, PROP_IDCT_METHOD,
       g_param_spec_enum ("idct-method", "IDCT Method",
           "The IDCT algorithm to use", GST_TYPE_IDCT_METHOD,
-          JPEG_DEFAULT_IDCT_METHOD, G_PARAM_READWRITE));
+          JPEG_DEFAULT_IDCT_METHOD,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gstelement_class->change_state =
       GST_DEBUG_FUNCPTR (gst_jpeg_dec_change_state);
diff --git a/ext/jpeg/gstjpegenc.c b/ext/jpeg/gstjpegenc.c
index 1666c19..8f81964 100644
--- a/ext/jpeg/gstjpegenc.c
+++ b/ext/jpeg/gstjpegenc.c
@@ -173,19 +173,22 @@ gst_jpegenc_class_init (GstJpegEnc * klass)
 
   g_object_class_install_property (gobject_class, PROP_QUALITY,
       g_param_spec_int ("quality", "Quality", "Quality of encoding",
-          0, 100, JPEG_DEFAULT_QUALITY, G_PARAM_READWRITE));
+          0, 100, JPEG_DEFAULT_QUALITY,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
 #ifdef ENABLE_SMOOTHING
   /* disabled, since it doesn't seem to work */
   g_object_class_install_property (gobject_class, PROP_SMOOTHING,
       g_param_spec_int ("smoothing", "Smoothing", "Smoothing factor",
-          0, 100, JPEG_DEFAULT_SMOOTHING, G_PARAM_READWRITE));
+          0, 100, JPEG_DEFAULT_SMOOTHING,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 #endif
 
   g_object_class_install_property (gobject_class, PROP_IDCT_METHOD,
       g_param_spec_enum ("idct-method", "IDCT Method",
           "The IDCT algorithm to use", GST_TYPE_IDCT_METHOD,
-          JPEG_DEFAULT_IDCT_METHOD, G_PARAM_READWRITE));
+          JPEG_DEFAULT_IDCT_METHOD,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gstelement_class->change_state = gst_jpegenc_change_state;
 
diff --git a/ext/jpeg/gstsmokeenc.c b/ext/jpeg/gstsmokeenc.c
index 0df2be9..2acddc6 100644
--- a/ext/jpeg/gstsmokeenc.c
+++ b/ext/jpeg/gstsmokeenc.c
@@ -149,17 +149,20 @@ gst_smokeenc_class_init (GstSmokeEnc * klass)
 
   g_object_class_install_property (gobject_class, PROP_MIN_QUALITY,
       g_param_spec_int ("qmin", "Qmin", "Minimum quality",
-          0, 100, DEFAULT_PROP_MIN_QUALITY, G_PARAM_READWRITE));
+          0, 100, DEFAULT_PROP_MIN_QUALITY,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_MAX_QUALITY,
       g_param_spec_int ("qmax", "Qmax", "Maximum quality",
-          0, 100, DEFAULT_PROP_MAX_QUALITY, G_PARAM_READWRITE));
+          0, 100, DEFAULT_PROP_MAX_QUALITY,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_THRESHOLD,
       g_param_spec_int ("threshold", "Threshold", "Motion estimation threshold",
-          0, 100000000, DEFAULT_PROP_THRESHOLD, G_PARAM_READWRITE));
+          0, 100000000, DEFAULT_PROP_THRESHOLD,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_KEYFRAME,
       g_param_spec_int ("keyframe", "Keyframe",
           "Insert keyframe every N frames", 1, 100000,
-          DEFAULT_PROP_KEYFRAME, G_PARAM_READWRITE));
+          DEFAULT_PROP_KEYFRAME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gstelement_class->change_state =
       GST_DEBUG_FUNCPTR (gst_smokeenc_change_state);
diff --git a/ext/libcaca/gstcacasink.c b/ext/libcaca/gstcacasink.c
index 829059d..ee05b36 100644
--- a/ext/libcaca/gstcacasink.c
+++ b/ext/libcaca/gstcacasink.c
@@ -175,17 +175,20 @@ gst_cacasink_class_init (GstCACASinkClass * klass)
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCREEN_WIDTH,
       g_param_spec_int ("screen-width", "Screen Width",
           "The width of the screen", 0, G_MAXINT, GST_CACA_DEFAULT_SCREEN_WIDTH,
-          G_PARAM_READABLE));
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCREEN_HEIGHT,
       g_param_spec_int ("screen-height", "Screen Height",
           "The height of the screen", 0, G_MAXINT,
-          GST_CACA_DEFAULT_SCREEN_HEIGHT, G_PARAM_READABLE));
+          GST_CACA_DEFAULT_SCREEN_HEIGHT,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DITHER,
       g_param_spec_enum ("dither", "Dither Type", "Set type of Dither",
-          GST_TYPE_CACADITHER, CACA_DITHERING_NONE, G_PARAM_READWRITE));
+          GST_TYPE_CACADITHER, CACA_DITHERING_NONE,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ANTIALIASING,
       g_param_spec_boolean ("anti-aliasing", "Anti Aliasing",
-          "Enables Anti-Aliasing", TRUE, G_PARAM_READWRITE));
+          "Enables Anti-Aliasing", TRUE,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_cacasink_setcaps);
   gstbasesink_class->get_times = GST_DEBUG_FUNCPTR (gst_cacasink_get_times);
diff --git a/ext/libpng/gstpngenc.c b/ext/libpng/gstpngenc.c
index 770d47e..2882e5f 100644
--- a/ext/libpng/gstpngenc.c
+++ b/ext/libpng/gstpngenc.c
@@ -124,19 +124,19 @@ gst_pngenc_class_init (GstPngEncClass * klass)
   g_object_class_install_property (gobject_class, ARG_SNAPSHOT,
       g_param_spec_boolean ("snapshot", "Snapshot",
           "Send EOS after encoding a frame, useful for snapshots",
-          DEFAULT_SNAPSHOT, (GParamFlags) G_PARAM_READWRITE));
+          DEFAULT_SNAPSHOT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
 /*   g_object_class_install_property (gobject_class, ARG_NEWMEDIA, */
 /*       g_param_spec_boolean ("newmedia", "newmedia", */
 /*           "Send new media discontinuity after encoding each frame", */
-/*           DEFAULT_NEWMEDIA, (GParamFlags) G_PARAM_READWRITE)); */
+/*           DEFAULT_NEWMEDIA, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); */
 
-  g_object_class_install_property
-      (gobject_class, ARG_COMPRESSION_LEVEL,
+  g_object_class_install_property (gobject_class, ARG_COMPRESSION_LEVEL,
       g_param_spec_uint ("compression-level", "compression-level",
           "PNG compression level",
           Z_NO_COMPRESSION, Z_BEST_COMPRESSION,
-          DEFAULT_COMPRESSION_LEVEL, (GParamFlags) G_PARAM_READWRITE));
+          DEFAULT_COMPRESSION_LEVEL,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   GST_DEBUG_CATEGORY_INIT (pngenc_debug, "pngenc", 0, "PNG image encoder");
 }
diff --git a/ext/mikmod/gstmikmod.c b/ext/mikmod/gstmikmod.c
index a181074..6b2dfa9 100644
--- a/ext/mikmod/gstmikmod.c
+++ b/ext/mikmod/gstmikmod.c
@@ -150,44 +150,44 @@ gst_mikmod_class_init (GstMikModClass * klass)
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SONGNAME,
       g_param_spec_string ("songname", "songname", "songname",
-          NULL, G_PARAM_READABLE));
+          NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MODTYPE,
       g_param_spec_string ("modtype", "modtype", "modtype",
-          NULL, G_PARAM_READABLE));
+          NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUSICVOLUME,
       g_param_spec_int ("musicvolume", "musivolume", "musicvolume",
-          0, 128, 128, G_PARAM_READWRITE));
+          0, 128, 128, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PANSEP,
       g_param_spec_int ("pansep", "pansep", "pansep",
-          0, 128, 128, G_PARAM_READWRITE));
+          0, 128, 128, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB,
       g_param_spec_int ("reverb", "reverb", "reverb",
-          0, 15, 0, G_PARAM_READWRITE));
+          0, 15, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SNDFXVOLUME,
       g_param_spec_int ("sndfxvolume", "sndfxvolume", "sndfxvolume",
-          0, 128, 128, G_PARAM_READWRITE));
+          0, 128, 128, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VOLUME,
       g_param_spec_int ("volume", "volume", "volume",
-          0, 128, 96, G_PARAM_READWRITE));
+          0, 128, 96, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_INTERP,
       g_param_spec_boolean ("interp", "interp", "interp",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERSE,
       g_param_spec_boolean ("reverse", "reverse", "reverse",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND,
       g_param_spec_boolean ("surround", "surround", "surround",
-          TRUE, G_PARAM_READWRITE));
+          TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HQMIXER,
       g_param_spec_boolean ("hqmixer", "hqmixer", "hqmixer",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_MUSIC,
       g_param_spec_boolean ("soft-music", "soft music", "soft music",
-          TRUE, G_PARAM_READWRITE));
+          TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_SNDFX,
       g_param_spec_boolean ("soft-sndfx", "soft sndfx", "soft sndfx",
-          TRUE, G_PARAM_READWRITE));
+          TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
 
   gobject_class->set_property = gst_mikmod_set_property;
diff --git a/ext/raw1394/gstdv1394src.c b/ext/raw1394/gstdv1394src.c
index 6a8e0c3..16c4326 100644
--- a/ext/raw1394/gstdv1394src.c
+++ b/ext/raw1394/gstdv1394src.c
@@ -208,29 +208,30 @@ gst_dv1394src_class_init (GstDV1394SrcClass * klass)
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PORT,
       g_param_spec_int ("port", "Port", "Port number (-1 automatic)",
-          -1, 16, DEFAULT_PORT, G_PARAM_READWRITE));
+          -1, 16, DEFAULT_PORT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CHANNEL,
       g_param_spec_int ("channel", "Channel", "Channel number for listening",
-          0, 64, DEFAULT_CHANNEL, G_PARAM_READWRITE));
+          0, 64, DEFAULT_CHANNEL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CONSECUTIVE,
       g_param_spec_int ("consecutive", "consecutive frames",
           "send n consecutive frames after skipping", 1, G_MAXINT,
-          DEFAULT_CONSECUTIVE, G_PARAM_READWRITE));
+          DEFAULT_CONSECUTIVE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SKIP,
       g_param_spec_int ("skip", "skip frames", "skip n frames",
-          0, G_MAXINT, DEFAULT_SKIP, G_PARAM_READWRITE));
+          0, G_MAXINT, DEFAULT_SKIP,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DROP_INCOMPLETE,
       g_param_spec_boolean ("drop-incomplete", "drop incomplete",
           "drop incomplete frames", DEFAULT_DROP_INCOMPLETE,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_USE_AVC,
       g_param_spec_boolean ("use-avc", "Use AV/C", "Use AV/C VTR control",
-          DEFAULT_USE_AVC, G_PARAM_READWRITE));
+          DEFAULT_USE_AVC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_GUID,
       g_param_spec_uint64 ("guid", "GUID",
           "select one of multiple DV devices by its GUID. use a hexadecimal "
           "like 0xhhhhhhhhhhhhhhhh. (0 = no guid)", 0, G_MAXUINT64,
-          DEFAULT_GUID, G_PARAM_READWRITE));
+          DEFAULT_GUID, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   /**
    * GstDV1394Src:device-name
    *
@@ -240,7 +241,8 @@ gst_dv1394src_class_init (GstDV1394SrcClass * klass)
    **/
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DEVICE_NAME,
       g_param_spec_string ("device-name", "device name",
-          "user-friendly name of the device", "Default", G_PARAM_READABLE));
+          "user-friendly name of the device", "Default",
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
   gstbasesrc_class->negotiate = NULL;
   gstbasesrc_class->start = gst_dv1394src_start;
diff --git a/ext/raw1394/gsthdv1394src.c b/ext/raw1394/gsthdv1394src.c
index 1d39659..d701afb 100644
--- a/ext/raw1394/gsthdv1394src.c
+++ b/ext/raw1394/gsthdv1394src.c
@@ -166,18 +166,18 @@ gst_hdv1394src_class_init (GstHDV1394SrcClass * klass)
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PORT,
       g_param_spec_int ("port", "Port", "Port number (-1 automatic)",
-          -1, 16, DEFAULT_PORT, G_PARAM_READWRITE));
+          -1, 16, DEFAULT_PORT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CHANNEL,
       g_param_spec_int ("channel", "Channel", "Channel number for listening",
-          0, 64, DEFAULT_CHANNEL, G_PARAM_READWRITE));
+          0, 64, DEFAULT_CHANNEL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_USE_AVC,
       g_param_spec_boolean ("use-avc", "Use AV/C", "Use AV/C VTR control",
-          DEFAULT_USE_AVC, G_PARAM_READWRITE));
+          DEFAULT_USE_AVC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_GUID,
       g_param_spec_uint64 ("guid", "GUID",
           "select one of multiple DV devices by its GUID. use a hexadecimal "
           "like 0xhhhhhhhhhhhhhhhh. (0 = no guid)", 0, G_MAXUINT64,
-          DEFAULT_GUID, G_PARAM_READWRITE));
+          DEFAULT_GUID, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   /**
    * GstHDV1394Src:device-name
    *
@@ -187,7 +187,8 @@ gst_hdv1394src_class_init (GstHDV1394SrcClass * klass)
    **/
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DEVICE_NAME,
       g_param_spec_string ("device-name", "device name",
-          "user-friendly name of the device", "Default", G_PARAM_READABLE));
+          "user-friendly name of the device", "Default",
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
   gstbasesrc_class->negotiate = NULL;
   gstbasesrc_class->start = gst_hdv1394src_start;
diff --git a/ext/shout2/gstshout2.c b/ext/shout2/gstshout2.c
index 26f4130..9a6363b 100644
--- a/ext/shout2/gstshout2.c
+++ b/ext/shout2/gstshout2.c
@@ -187,50 +187,52 @@ gst_shout2send_class_init (GstShout2sendClass * klass)
   gobject_class->finalize = (GObjectFinalizeFunc) gst_shout2send_finalize;
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_IP,
-      g_param_spec_string ("ip", "ip", "ip", DEFAULT_IP, G_PARAM_READWRITE));
+      g_param_spec_string ("ip", "ip", "ip", DEFAULT_IP,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PORT,
       g_param_spec_int ("port", "port", "port", 1, G_MAXUSHORT, DEFAULT_PORT,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PASSWORD,
       g_param_spec_string ("password", "password", "password", DEFAULT_PASSWORD,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_USERNAME,
       g_param_spec_string ("username", "username", "username", DEFAULT_USERNAME,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   /* metadata */
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PUBLIC,
       g_param_spec_boolean ("public", "public",
           "If the stream should be listed on the server's stream directory",
-          DEFAULT_PUBLIC, G_PARAM_READWRITE));
+          DEFAULT_PUBLIC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STREAMNAME,
       g_param_spec_string ("streamname", "streamname", "name of the stream",
-          DEFAULT_STREAMNAME, G_PARAM_READWRITE));
+          DEFAULT_STREAMNAME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DESCRIPTION,
       g_param_spec_string ("description", "description", "description",
-          DEFAULT_DESCRIPTION, G_PARAM_READWRITE));
+          DEFAULT_DESCRIPTION, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_GENRE,
       g_param_spec_string ("genre", "genre", "genre", DEFAULT_GENRE,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PROTOCOL,
       g_param_spec_enum ("protocol", "protocol", "Connection Protocol to use",
-          GST_TYPE_SHOUT_PROTOCOL, DEFAULT_PROTOCOL, G_PARAM_READWRITE));
+          GST_TYPE_SHOUT_PROTOCOL, DEFAULT_PROTOCOL,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
 
   /* icecast only */
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MOUNT,
       g_param_spec_string ("mount", "mount", "mount", DEFAULT_MOUNT,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_URL,
       g_param_spec_string ("url", "url", "url", DEFAULT_URL,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   /* signals */
   gst_shout2send_signals[SIGNAL_CONNECTION_PROBLEM] =
diff --git a/ext/soup/gstsouphttpsrc.c b/ext/soup/gstsouphttpsrc.c
index 236d87b..9eb6bd2 100644
--- a/ext/soup/gstsouphttpsrc.c
+++ b/ext/soup/gstsouphttpsrc.c
@@ -219,51 +219,54 @@ gst_soup_http_src_class_init (GstSoupHTTPSrcClass * klass)
   g_object_class_install_property (gobject_class,
       PROP_LOCATION,
       g_param_spec_string ("location", "Location",
-          "Location to read from", "", G_PARAM_READWRITE));
+          "Location to read from", "",
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_USER_AGENT,
       g_param_spec_string ("user-agent", "User-Agent",
           "Value of the User-Agent HTTP request header field",
-          DEFAULT_USER_AGENT, G_PARAM_READWRITE));
+          DEFAULT_USER_AGENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_AUTOMATIC_REDIRECT,
       g_param_spec_boolean ("automatic-redirect", "automatic-redirect",
           "Automatically follow HTTP redirects (HTTP Status Code 3xx)",
-          TRUE, G_PARAM_READWRITE));
+          TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_PROXY,
       g_param_spec_string ("proxy", "Proxy",
-          "HTTP proxy server URI", "", G_PARAM_READWRITE));
+          "HTTP proxy server URI", "",
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_USER_ID,
       g_param_spec_string ("user-id", "user-id",
           "HTTP location URI user id for authentication", "",
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_USER_PW,
       g_param_spec_string ("user-pw", "user-pw",
           "HTTP location URI user password for authentication", "",
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_PROXY_ID,
       g_param_spec_string ("proxy-id", "proxy-id",
-          "HTTP proxy URI user id for authentication", "", G_PARAM_READWRITE));
+          "HTTP proxy URI user id for authentication", "",
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_PROXY_PW,
       g_param_spec_string ("proxy-pw", "proxy-pw",
           "HTTP proxy URI user password for authentication", "",
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_COOKIES,
       g_param_spec_boxed ("cookies", "Cookies", "HTTP request cookies",
-          G_TYPE_STRV, G_PARAM_READWRITE));
+          G_TYPE_STRV, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_IS_LIVE,
       g_param_spec_boolean ("is-live", "is-live", "Act like a live source",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_TIMEOUT,
       g_param_spec_uint ("timeout", "timeout",
           "Value in seconds to timeout a blocking I/O (0 = No timeout).", 0,
-          3600, 0, G_PARAM_READWRITE));
+          3600, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_EXTRA_HEADERS,
       g_param_spec_boxed ("extra-headers", "Extra Headers",
           "Extra headers to append to the HTTP request",
-          GST_TYPE_STRUCTURE, G_PARAM_READWRITE));
+          GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   /* icecast stuff */
   g_object_class_install_property (gobject_class,
@@ -271,25 +274,29 @@ gst_soup_http_src_class_init (GstSoupHTTPSrcClass * klass)
       g_param_spec_boolean ("iradio-mode",
           "iradio-mode",
           "Enable internet radio mode (extraction of shoutcast/icecast metadata)",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_IRADIO_NAME,
       g_param_spec_string ("iradio-name",
-          "iradio-name", "Name of the stream", NULL, G_PARAM_READABLE));
+          "iradio-name", "Name of the stream", NULL,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_IRADIO_GENRE,
       g_param_spec_string ("iradio-genre",
-          "iradio-genre", "Genre of the stream", NULL, G_PARAM_READABLE));
+          "iradio-genre", "Genre of the stream", NULL,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_IRADIO_URL,
       g_param_spec_string ("iradio-url",
           "iradio-url",
-          "Homepage URL for radio stream", NULL, G_PARAM_READABLE));
+          "Homepage URL for radio stream", NULL,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class,
       PROP_IRADIO_TITLE,
       g_param_spec_string ("iradio-title",
           "iradio-title",
-          "Name of currently playing song", NULL, G_PARAM_READABLE));
+          "Name of currently playing song", NULL,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
   gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_soup_http_src_start);
   gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_soup_http_src_stop);
diff --git a/ext/speex/gstspeexdec.c b/ext/speex/gstspeexdec.c
index 89293a3..ef2300f 100644
--- a/ext/speex/gstspeexdec.c
+++ b/ext/speex/gstspeexdec.c
@@ -128,7 +128,7 @@ gst_speex_dec_class_init (GstSpeexDecClass * klass)
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ENH,
       g_param_spec_boolean ("enh", "Enh", "Enable perceptual enhancement",
-          DEFAULT_ENH, G_PARAM_READWRITE));
+          DEFAULT_ENH, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gstelement_class->change_state = GST_DEBUG_FUNCPTR (speex_dec_change_state);
 
diff --git a/ext/speex/gstspeexenc.c b/ext/speex/gstspeexenc.c
index b8cb872..4a0bba6 100644
--- a/ext/speex/gstspeexenc.c
+++ b/ext/speex/gstspeexenc.c
@@ -197,39 +197,48 @@ gst_speex_enc_class_init (GstSpeexEncClass * klass)
 
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
       g_param_spec_float ("quality", "Quality", "Encoding quality",
-          0.0, 10.0, DEFAULT_QUALITY, G_PARAM_READWRITE));
+          0.0, 10.0, DEFAULT_QUALITY,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BITRATE,
       g_param_spec_int ("bitrate", "Encoding Bit-rate",
           "Specify an encoding bit-rate (in bps). (0 = automatic)",
-          0, G_MAXINT, DEFAULT_BITRATE, G_PARAM_READWRITE));
+          0, G_MAXINT, DEFAULT_BITRATE,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, PROP_MODE,
       g_param_spec_enum ("mode", "Mode", "The encoding mode",
           GST_TYPE_SPEEX_ENC_MODE, GST_SPEEX_ENC_MODE_AUTO,
           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_VBR,
       g_param_spec_boolean ("vbr", "VBR",
-          "Enable variable bit-rate", DEFAULT_VBR, G_PARAM_READWRITE));
+          "Enable variable bit-rate", DEFAULT_VBR,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ABR,
       g_param_spec_int ("abr", "ABR",
           "Enable average bit-rate (0 = disabled)",
-          0, G_MAXINT, DEFAULT_ABR, G_PARAM_READWRITE));
+          0, G_MAXINT, DEFAULT_ABR,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_VAD,
       g_param_spec_boolean ("vad", "VAD",
-          "Enable voice activity detection", DEFAULT_VAD, G_PARAM_READWRITE));
+          "Enable voice activity detection", DEFAULT_VAD,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DTX,
       g_param_spec_boolean ("dtx", "DTX",
-          "Enable discontinuous transmission", DEFAULT_DTX, G_PARAM_READWRITE));
+          "Enable discontinuous transmission", DEFAULT_DTX,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_COMPLEXITY,
       g_param_spec_int ("complexity", "Complexity",
           "Set encoding complexity",
-          0, G_MAXINT, DEFAULT_COMPLEXITY, G_PARAM_READWRITE));
+          0, G_MAXINT, DEFAULT_COMPLEXITY,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_NFRAMES,
       g_param_spec_int ("nframes", "NFrames",
           "Number of frames per buffer",
-          0, G_MAXINT, DEFAULT_NFRAMES, G_PARAM_READWRITE));
+          0, G_MAXINT, DEFAULT_NFRAMES,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LAST_MESSAGE,
       g_param_spec_string ("last-message", "last-message",
-          "The last status message", NULL, G_PARAM_READABLE));
+          "The last status message", NULL,
+          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
   gobject_class->finalize = gst_speex_enc_finalize;
 
diff --git a/ext/wavpack/gstwavpackenc.c b/ext/wavpack/gstwavpackenc.c
index 2cbe3aa..aa085fc 100644
--- a/ext/wavpack/gstwavpackenc.c
+++ b/ext/wavpack/gstwavpackenc.c
@@ -254,34 +254,35 @@ gst_wavpack_enc_class_init (GstWavpackEncClass * klass)
       g_param_spec_enum ("mode", "Encoding mode",
           "Speed versus compression tradeoff.",
           GST_TYPE_WAVPACK_ENC_MODE, GST_WAVPACK_ENC_MODE_DEFAULT,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_BITRATE,
       g_param_spec_uint ("bitrate", "Bitrate",
           "Try to encode with this average bitrate (bits/sec). "
           "This enables lossy encoding, values smaller than 24000 disable it again.",
-          0, 9600000, 0, G_PARAM_READWRITE));
+          0, 9600000, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_BITSPERSAMPLE,
       g_param_spec_double ("bits-per-sample", "Bits per sample",
           "Try to encode with this amount of bits per sample. "
           "This enables lossy encoding, values smaller than 2.0 disable it again.",
-          0.0, 24.0, 0.0, G_PARAM_READWRITE));
+          0.0, 24.0, 0.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_CORRECTION_MODE,
       g_param_spec_enum ("correction-mode", "Correction stream mode",
           "Use this mode for the correction stream. Only works in lossy mode!",
           GST_TYPE_WAVPACK_ENC_CORRECTION_MODE, GST_WAVPACK_CORRECTION_MODE_OFF,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_MD5,
       g_param_spec_boolean ("md5", "MD5",
           "Store MD5 hash of raw samples within the file.", FALSE,
-          G_PARAM_READWRITE));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_EXTRA_PROCESSING,
       g_param_spec_uint ("extra-processing", "Extra processing",
           "Use better but slower filters for better compression/quality.",
-          0, 6, 0, G_PARAM_READWRITE));
+          0, 6, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (gobject_class, ARG_JOINT_STEREO_MODE,
       g_param_spec_enum ("joint-stereo-mode", "Joint-Stereo mode",
           "Use this joint-stereo mode.", GST_TYPE_WAVPACK_ENC_JOINT_STEREO_MODE,
-          GST_WAVPACK_JS_MODE_AUTO, G_PARAM_READWRITE));
+          GST_WAVPACK_JS_MODE_AUTO,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 }
 
 static void