tests/icles/: Add dynamic rescaling tests for the new basetransform.

Original commit message from CVS:
* tests/icles/.cvsignore:
* tests/icles/Makefile.am:
* tests/icles/test-scale.c: (make_pipeline), (main):
Add dynamic rescaling tests for the new basetransform.

ChangeLog

@@ -1,3 +1,10 @@
+2008-07-31  Wim Taymans  <wim.taymans@collabora.co.uk>
+
+	* tests/icles/.cvsignore:
+	* tests/icles/Makefile.am:
+	* tests/icles/test-scale.c: (make_pipeline), (main):
+	Add dynamic rescaling tests for the new basetransform.
+
 2008-07-30  Tim-Philipp Müller  <tim.muller at collabora co uk>
 
 	* gst/audioconvert/Makefile.am:

tests/icles/.gitignore

@@ -1,3 +1,4 @@
 stress-playbin
 stress-xoverlay
 test-textoverlay
+test-scale

tests/icles/Makefile.am

@@ -25,4 +25,8 @@ stress_playbin_SOURCES = stress-playbin.c
 stress_playbin_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
 stress_playbin_LDFLAGS = $(GST_LIBS) $(LIBM)
 
-noinst_PROGRAMS = $(X_TESTS) $(PANGO_TESTS) stress-playbin
+test_scale_SOURCES = test-scale.c
+test_scale_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
+test_scale_LDFLAGS = $(GST_LIBS) $(LIBM)
+
+noinst_PROGRAMS = $(X_TESTS) $(PANGO_TESTS) stress-playbin test-scale

tests/icles/test-scale.c

@@ -0,0 +1,162 @@
+/* GStreamer interactive videoscale test
+ * Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+
+static GstElement *
+make_pipeline (gint type)
+{
+  GstElement *result;
+  gchar *pstr;
+
+  switch (type) {
+    case 0:
+      pstr = g_strdup_printf ("videotestsrc ! capsfilter name=filter ! "
+          "ximagesink");
+      break;
+    case 1:
+      pstr = g_strdup_printf ("videotestsrc ! queue ! capsfilter name=filter ! "
+          "ximagesink");
+      break;
+    case 2:
+      pstr = g_strdup_printf ("videotestsrc peer-alloc=0 ! videoscale ! "
+          "capsfilter name=filter ! " "ximagesink");
+      break;
+    case 3:
+      pstr =
+          g_strdup_printf ("videotestsrc peer-alloc=0 ! queue ! videoscale ! "
+          "capsfilter name=filter ! " "ximagesink");
+      break;
+    case 4:
+      pstr =
+          g_strdup_printf ("videotestsrc peer-alloc=0 ! videoscale ! queue ! "
+          "capsfilter name=filter ! " "ximagesink");
+      break;
+    case 5:
+      pstr = g_strdup_printf ("videotestsrc peer-alloc=0 ! "
+          "capsfilter name=filter ! " "ximagesink");
+      break;
+    case 6:
+      pstr = g_strdup_printf ("videotestsrc ! videoscale ! "
+          "capsfilter name=filter ! " "ximagesink");
+      break;
+    case 7:
+      pstr = g_strdup_printf ("v4l2src ! ffmpegcolorspace ! videoscale ! "
+          "capsfilter name=filter ! " "ximagesink");
+      break;
+    default:
+      return NULL;
+  }
+
+  result = gst_parse_launch_full (pstr, NULL, GST_PARSE_FLAG_NONE, NULL);
+  g_print ("created test %d: \"%s\"\n", type, pstr);
+  g_free (pstr);
+
+  return result;
+}
+
+#define MAX_ROUND 100
+
+int
+main (int argc, char **argv)
+{
+  GstElement *pipe, *filter;
+  GstCaps *caps;
+  gint width, height;
+  gint xdir, ydir;
+  gint round, type, stop;
+
+  gst_init (&argc, &argv);
+
+  type = 0;
+  stop = -1;
+
+  if (argc > 1) {
+    type = atoi (argv[1]);
+    stop = type + 1;
+  }
+
+  while (TRUE) {
+    GstMessage *message;
+
+    pipe = make_pipeline (type);
+    if (pipe == NULL)
+      break;
+
+    filter = gst_bin_get_by_name (GST_BIN (pipe), "filter");
+    g_assert (filter);
+
+    width = 320;
+    height = 240;
+    xdir = ydir = -10;
+
+    for (round = 0; round < MAX_ROUND; round++) {
+      gchar *capsstr;
+      g_print ("resize to %dx%d (%d/%d)   \r", width, height, round, MAX_ROUND);
+
+      /* we prefer our fixed width and height but allow other dimensions to pass
+       * as well */
+      capsstr =
+          g_strdup_printf ("video/x-raw-rgb, width=(int)%d, height=(int)%d;"
+          "video/x-raw-rgb", width, height);
+      caps = gst_caps_from_string (capsstr);
+      g_free (capsstr);
+      g_object_set (filter, "caps", caps, NULL);
+      gst_caps_unref (caps);
+
+      if (round == 0)
+        gst_element_set_state (pipe, GST_STATE_PLAYING);
+
+      width += xdir;
+      if (width >= 320)
+        xdir = -10;
+      else if (width < 200)
+        xdir = 10;
+
+      height += ydir;
+      if (height >= 240)
+        ydir = -10;
+      else if (height < 150)
+        ydir = 10;
+
+      message =
+          gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR,
+          50 * GST_MSECOND);
+      if (message) {
+        g_print ("got error           \n");
+
+        gst_message_unref (message);
+      }
+    }
+    g_print ("test %d done                    \n", type);
+
+    gst_object_unref (filter);
+    gst_element_set_state (pipe, GST_STATE_NULL);
+    gst_object_unref (pipe);
+
+    type++;
+    if (type == stop)
+      break;
+  }
+  return 0;
+}