docs: decodebin2 -> decodebin

gst/imagefreeze/gstimagefreeze.c

@@ -28,7 +28,7 @@
  * <refsect2>
  * <title>Example launch line</title>
  * |[
- * gst-launch-1.0 -v filesrc location=some.png ! decodebin2 ! imagefreeze ! autovideosink
+ * gst-launch-1.0 -v filesrc location=some.png ! decodebin ! imagefreeze ! autovideosink
  * ]| This pipeline shows a still frame stream of a PNG file.
  * </refsect2>
  */

gst/matroska/matroska-demux.c

@@ -4602,7 +4602,7 @@ pause:
       /* perform EOS logic */
 
       /* If we were in the headers, make sure we send no-more-pads.
-         This will ensure decodebin2 does not get stuck thinking
+         This will ensure decodebin does not get stuck thinking
          the chain is not complete yet, and waiting indefinitely. */
       if (G_UNLIKELY (demux->common.state == GST_MATROSKA_READ_STATE_HEADER)) {
         if (demux->common.src->len == 0) {

tests/examples/shapewipe/shapewipe-example.c

@@ -83,7 +83,7 @@ main (gint argc, gchar ** argv)
 
   pipeline_string =
       g_strdup_printf
-      ("videotestsrc ! video/x-raw,format=(string)AYUV,width=640,height=480 ! shapewipe name=shape border=%f ! videomixer name=mixer ! videoconvert ! autovideosink     filesrc location=%s ! typefind ! decodebin2 ! videoconvert ! videoscale ! queue ! shape.mask_sink    videotestsrc pattern=snow ! video/x-raw,format=(string)AYUV,width=640,height=480 ! queue ! mixer.",
+      ("videotestsrc ! video/x-raw,format=(string)AYUV,width=640,height=480 ! shapewipe name=shape border=%f ! videomixer name=mixer ! videoconvert ! autovideosink     filesrc location=%s ! typefind ! decodebin ! videoconvert ! videoscale ! queue ! shape.mask_sink    videotestsrc pattern=snow ! video/x-raw,format=(string)AYUV,width=640,height=480 ! queue ! mixer.",
       border, argv[1]);
 
   pipeline = gst_parse_launch (pipeline_string, NULL);