X-Git-Url: http://git.maemo.org/git/?p=mafwsubrenderer;a=blobdiff_plain;f=gst-plugins-base-subtitles0.10%2Fgst%2Faudioconvert%2Fchannelmixtest.c;fp=gst-plugins-base-subtitles0.10%2Fgst%2Faudioconvert%2Fchannelmixtest.c;h=096a683061f026bdaab6856edff5fe13e2a9b460;hp=0000000000000000000000000000000000000000;hb=57ba96e291a055f69dbfd4ae9f1ae2390e36986e;hpb=be2c98fb83895d10ac44af7b9a9c3e00ca54bf49

diff --git a/gst-plugins-base-subtitles0.10/gst/audioconvert/channelmixtest.c b/gst-plugins-base-subtitles0.10/gst/audioconvert/channelmixtest.c
new file mode 100644
index 0000000..096a683
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/gst/audioconvert/channelmixtest.c
@@ -0,0 +1,95 @@
+/* GStreamer
+ * Copyright (C) 2005 Benjamin Otte <otte@gnome.org>
+ *
+ * channelmixtest.c: simple test of channel mixing
+ *
+ * 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 "gstchannelmix.h"
+#include "plugin.h"
+
+int
+main (gint argc, gchar ** argv)
+{
+  GstElement *bin, *src, *sink;
+  GstAudioConvert *c;
+  GstCaps *caps;
+  guint i, j, k;
+  struct
+  {
+    gchar *sinkcaps;
+    gchar *srccaps;
+    gfloat matrix[6][6];        /* use a predefined matrix here, makes stuff simpler */
+  } tests[] = {
+    /* stereo => mono */
+    {
+      "audio/x-raw-int, channels=2", "audio/x-raw-int, channels=1", { {
+      0.5,}, {
+    0.5,},}},
+        /* mono => stereo */
+    {
+      "audio/x-raw-int, channels=1", "audio/x-raw-int, channels=2", { {
+    1, 1,},}}
+  };
+
+  gst_init (&argc, &argv);
+
+  for (i = 0; i < G_N_ELEMENTS (tests); i++) {
+    g_print ("running test %u\n", i);
+    bin = gst_element_factory_make ("pipeline", NULL);
+    c = g_object_new (GST_TYPE_AUDIO_CONVERT, NULL);
+    /* avoid gst being braindead */
+    gst_object_set_name (GST_OBJECT (c), "shuddup");
+    src = gst_element_factory_make ("fakesrc", NULL);
+    sink = gst_element_factory_make ("fakesink", NULL);
+    gst_bin_add_many (GST_BIN (bin), src, c, sink, NULL);
+    caps = gst_caps_from_string (tests[i].sinkcaps);
+    g_assert (caps);
+    if (!gst_element_link_filtered (src, GST_ELEMENT (c), caps))
+      g_assert_not_reached ();
+    gst_caps_unref (caps);
+    caps = gst_caps_from_string (tests[i].srccaps);
+    g_assert (caps);
+    if (!gst_element_link_filtered (GST_ELEMENT (c), sink, caps))
+      g_assert_not_reached ();
+    gst_caps_unref (caps);
+    if (!gst_element_set_state (bin, GST_STATE_PLAYING))
+      g_assert_not_reached ();
+    g_assert (c->srccaps.channels <= 6);
+    g_assert (c->sinkcaps.channels <= 6);
+    for (j = 0; j < 6; j++) {
+      for (k = 0; k < 6; k++) {
+        if (j < c->sinkcaps.channels && k < c->srccaps.channels) {
+          if (tests[i].matrix[j][k] != c->matrix[j][k]) {
+            g_printerr ("matrix[j][k] should be %g but is %g\n",
+                tests[i].matrix[j][k], c->matrix[j][k]);
+            g_assert_not_reached ();
+          }
+        } else {
+          g_assert (tests[i].matrix[j][k] == 0);
+        }
+      }
+    }
+    gst_object_unref (bin);
+  }
+
+  return 0;
+}