Remove trivial unused variables detected by CLang static analyzer.

8 files changed, 6 insertions, 35 deletions

diff --git a/ext/dv/gstdvdemux.c b/ext/dv/gstdvdemux.c
index 7c7509fe..99dea754 100644
--- a/ext/dv/gstdvdemux.c
+++ b/ext/dv/gstdvdemux.c
@@ -1032,7 +1032,7 @@ gst_dvdemux_handle_pull_seek (GstDVDemux * demux, GstPad * pad,
 
     /* convert input format to TIME */
     conv = GST_FORMAT_TIME;
-    if (!(res = gst_dvdemux_convert_src_pair (demux, pad,
+    if (!(gst_dvdemux_convert_src_pair (demux, pad,
                 format, cur, stop, conv, &cur, &stop)))
       goto no_format;
 
@@ -1379,11 +1379,10 @@ gst_dvdemux_demux_frame (GstDVDemux * dvdemux, GstBuffer * buffer)
   if (G_UNLIKELY (dvdemux->need_segment)) {
     GstEvent *event;
     GstFormat format;
-    gboolean res;
 
     /* convert to time and store as start/end_timestamp */
     format = GST_FORMAT_TIME;
-    if (!(res = gst_dvdemux_convert_sink_pair (dvdemux,
+    if (!(gst_dvdemux_convert_sink_pair (dvdemux,
                 GST_FORMAT_BYTES, dvdemux->byte_segment.start,
                 dvdemux->byte_segment.stop, format,
                 &dvdemux->time_segment.start, &dvdemux->time_segment.stop)))
@@ -1395,7 +1394,7 @@ gst_dvdemux_demux_frame (GstDVDemux * dvdemux, GstBuffer * buffer)
 
     /* calculate current frame number */
     format = GST_FORMAT_DEFAULT;
-    if (!(res = gst_dvdemux_src_convert (dvdemux, dvdemux->videosrcpad,
+    if (!(gst_dvdemux_src_convert (dvdemux, dvdemux->videosrcpad,
                 GST_FORMAT_TIME, dvdemux->time_segment.start,
                 &format, &dvdemux->frame_offset)))
       goto segment_error;
diff --git a/ext/gdk_pixbuf/gstgdkpixbuf.c b/ext/gdk_pixbuf/gstgdkpixbuf.c
index d35c2cb5..65605fff 100644
--- a/ext/gdk_pixbuf/gstgdkpixbuf.c
+++ b/ext/gdk_pixbuf/gstgdkpixbuf.c
@@ -420,10 +420,6 @@ static void
 gst_gdk_pixbuf_set_property (GObject * object, guint prop_id,
     const GValue * value, GParamSpec * pspec)
 {
-  GstGdkPixbuf *filter;
-
-  filter = GST_GDK_PIXBUF (object);
-
   switch (prop_id) {
     case ARG_SILENT:
       /* filter->silent = g_value_get_boolean (value); */
@@ -438,10 +434,6 @@ static void
 gst_gdk_pixbuf_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * pspec)
 {
-  GstGdkPixbuf *filter;
-
-  filter = GST_GDK_PIXBUF (object);
-
   switch (prop_id) {
     case ARG_SILENT:
       /* g_value_set_boolean (value, filter->silent); */
diff --git a/ext/gdk_pixbuf/pixbufscale.c b/ext/gdk_pixbuf/pixbufscale.c
index b240528d..bf0882c0 100644
--- a/ext/gdk_pixbuf/pixbufscale.c
+++ b/ext/gdk_pixbuf/pixbufscale.c
@@ -237,11 +237,9 @@ static GstCaps *
 gst_pixbufscale_transform_caps (GstBaseTransform * trans,
     GstPadDirection direction, GstCaps * caps)
 {
-  GstPixbufScale *pixbufscale;
   GstCaps *ret;
   int i;
 
-  pixbufscale = GST_PIXBUFSCALE (trans);
   ret = gst_caps_copy (caps);
 
   for (i = 0; i < gst_caps_get_size (ret); i++) {
@@ -303,13 +301,10 @@ static gboolean
 gst_pixbufscale_get_unit_size (GstBaseTransform * trans,
     GstCaps * caps, guint * size)
 {
-  GstPixbufScale *pixbufscale;
   gint width, height;
 
   g_assert (size);
 
-  pixbufscale = GST_PIXBUFSCALE (trans);
-
   if (!parse_caps (caps, &width, &height))
     return FALSE;
 
diff --git a/ext/libcaca/gstcacasink.c b/ext/libcaca/gstcacasink.c
index c0a6f49f..07bd47e0 100644
--- a/ext/libcaca/gstcacasink.c
+++ b/ext/libcaca/gstcacasink.c
@@ -261,11 +261,6 @@ gst_cacasink_setcaps (GstBaseSink * basesink, GstCaps * caps)
 static void
 gst_cacasink_init (GstCACASink * cacasink)
 {
-  GstPad *pad;
-
-  pad = GST_BASE_SINK_PAD (cacasink);
-  /* gst_pad_set_fixatecaps_function (pad, gst_cacasink_fixate); */
-
   cacasink->screen_width = GST_CACA_DEFAULT_SCREEN_WIDTH;
   cacasink->screen_height = GST_CACA_DEFAULT_SCREEN_HEIGHT;
   cacasink->bpp = GST_CACA_DEFAULT_BPP;
diff --git a/ext/libpng/gstpngdec.c b/ext/libpng/gstpngdec.c
index 42f6c399..b7b889d6 100644
--- a/ext/libpng/gstpngdec.c
+++ b/ext/libpng/gstpngdec.c
@@ -856,10 +856,6 @@ setup_failed:
 static gboolean
 gst_pngdec_sink_activate_pull (GstPad * sinkpad, gboolean active)
 {
-  GstPngDec *pngdec;
-
-  pngdec = GST_PNGDEC (GST_OBJECT_PARENT (sinkpad));
-
   if (active) {
     return gst_pad_start_task (sinkpad, (GstTaskFunction) gst_pngdec_task,
         sinkpad);
diff --git a/ext/raw1394/gstdv1394src.c b/ext/raw1394/gstdv1394src.c
index af7b0454..2716f742 100644
--- a/ext/raw1394/gstdv1394src.c
+++ b/ext/raw1394/gstdv1394src.c
@@ -1036,7 +1036,6 @@ gst_dv1394src_get_query_types (GstPad * pad)
 static gboolean
 gst_dv1394src_query (GstPad * pad, GstQuery * query)
 {
-  gboolean res = TRUE;
   GstDV1394Src *src;
 
   src = GST_DV1394SRC (gst_pad_get_parent (pad));
@@ -1050,7 +1049,7 @@ gst_dv1394src_query (GstPad * pad, GstQuery * query)
       gst_query_parse_position (query, &format, NULL);
 
       /* bring our current frame to the requested format */
-      res = gst_pad_query_convert (pad,
+      gst_pad_query_convert (pad,
           GST_FORMAT_DEFAULT, src->frame_sequence, &format, &current);
 
       gst_query_set_position (query, format, current);
@@ -1062,8 +1061,7 @@ gst_dv1394src_query (GstPad * pad, GstQuery * query)
       gint64 src_val, dest_val;
 
       gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
-      if (!(res =
-              gst_dv1394src_convert (pad, src_fmt, src_val, &dest_fmt,
+      if (!(gst_dv1394src_convert (pad, src_fmt, src_val, &dest_fmt,
                   &dest_val)))
         goto not_supported;
       gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
diff --git a/ext/raw1394/gsthdv1394src.c b/ext/raw1394/gsthdv1394src.c
index 30f59d59..4f726f8c 100644
--- a/ext/raw1394/gsthdv1394src.c
+++ b/ext/raw1394/gsthdv1394src.c
@@ -480,7 +480,6 @@ gst_hdv1394src_discover_avc_node (GstHDV1394Src * src)
   /* loop over all our ports */
   for (; j < m && node == -1; j++) {
     raw1394handle_t handle;
-    gint n_ports;
     struct raw1394_portinfo pinf[16];
 
     /* open the port */
@@ -489,7 +488,7 @@ gst_hdv1394src_discover_avc_node (GstHDV1394Src * src)
       GST_WARNING ("raw1394 - failed to get handle: %s.\n", strerror (errno));
       continue;
     }
-    if ((n_ports = raw1394_get_port_info (handle, pinf, 16)) < 0) {
+    if (raw1394_get_port_info (handle, pinf, 16) < 0) {
       GST_WARNING ("raw1394 - failed to get port info: %s.\n",
           strerror (errno));
       goto next;
diff --git a/ext/speex/gstspeexenc.c b/ext/speex/gstspeexenc.c
index bbd463dc..fb200820 100644
--- a/ext/speex/gstspeexenc.c
+++ b/ext/speex/gstspeexenc.c
@@ -527,9 +527,6 @@ static gboolean
 gst_speex_enc_sink_query (GstPad * pad, GstQuery * query)
 {
   gboolean res = TRUE;
-  GstSpeexEnc *enc;
-
-  enc = GST_SPEEX_ENC (GST_PAD_PARENT (pad));
 
   switch (GST_QUERY_TYPE (query)) {
     case GST_QUERY_CONVERT: