jpegenc: pulsesink: raw1394: Address unused but set variables

GCC 4.6.x spits warnings about such usage of variables. The variables in
raw1394 were marked with G_GNUC_UNUSED as this seemed omre appropriate.
The others were removed.

ext/jpeg/gstjpegenc.c

@@ -547,7 +547,7 @@ gst_jpegenc_chain (GstPad * pad, GstBuffer * buf)
   GstJpegEnc *jpegenc;
   guchar *data;
   gulong size;
-  guint height, width;
+  guint height;
   guchar *base[3], *end[3];
   gint i, j, k;
 
@@ -572,7 +572,6 @@ gst_jpegenc_chain (GstPad * pad, GstBuffer * buf)
   gst_buffer_copy_metadata (jpegenc->output_buffer, buf,
       GST_BUFFER_COPY_TIMESTAMPS);
 
-  width = jpegenc->width;
   height = jpegenc->height;
 
   for (i = 0; i < jpegenc->channels; i++) {

ext/pulse/pulsesink.c

@@ -941,10 +941,8 @@ connect_failed:
 static gboolean
 gst_pulseringbuffer_release (GstRingBuffer * buf)
 {
-  GstPulseSink *psink;
   GstPulseRingBuffer *pbuf;
 
-  psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (buf));
   pbuf = GST_PULSERING_BUFFER_CAST (buf);
 
   pa_threaded_mainloop_lock (mainloop);
@@ -957,12 +955,6 @@ gst_pulseringbuffer_release (GstRingBuffer * buf)
 static void
 gst_pulsering_success_cb (pa_stream * s, int success, void *userdata)
 {
-  GstPulseRingBuffer *pbuf;
-  GstPulseSink *psink;
-
-  pbuf = GST_PULSERING_BUFFER_CAST (userdata);
-  psink = GST_PULSESINK_CAST (GST_OBJECT_PARENT (pbuf));
-
   pa_threaded_mainloop_signal (mainloop, 0);
 }
 

ext/raw1394/gstdv1394src.c

@@ -66,7 +66,7 @@
 
 #define SEND_COMMAND(src, command)          \
 G_STMT_START {                              \
-  int _res; unsigned char c; c = command;   \
+  int G_GNUC_UNUSED _res; unsigned char c; c = command;   \
   _res = write (WRITE_SOCKET(src), &c, 1);  \
 } G_STMT_END
 

ext/raw1394/gsthdv1394src.c

@@ -62,7 +62,7 @@
 
 #define SEND_COMMAND(src, command)          \
 G_STMT_START {                              \
-  int _res; unsigned char c; c = command;   \
+  int G_GNUC_UNUSED _res; unsigned char c; c = command;   \
   _res = write (WRITE_SOCKET(src), &c, 1);  \
 } G_STMT_END