tests/check/: Add unit test for qtmux.

Original commit message from CVS:
* tests/check/Makefile.am:
* tests/check/elements/qtmux.c: (setup_src_pad),
(teardown_src_pad), (setup_qtmux), (cleanup_qtmux),
(check_qtmux_pad), (GST_START_TEST), (qtmux_suite), (main):
Add unit test for qtmux.

1 files changed, 263 insertions, 0 deletions

diff --git a/tests/check/elements/qtmux.c b/tests/check/elements/qtmux.c
new file mode 100644
index 00000000..bd88b199
--- /dev/null
+++ b/tests/check/elements/qtmux.c
@@ -0,0 +1,263 @@
+/* GStreamer
+ *
+ * unit test for qtmux
+ *
+ * Copyright (C) <2008> Mark Nauwelaerts <mnauw@users.sf.net>
+ *
+ * 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.
+ */
+
+#include <unistd.h>
+
+#include <gst/check/gstcheck.h>
+
+/* For ease of programming we use globals to keep refs for our floating
+ * src and sink pads we create; otherwise we always have to do get_pad,
+ * get_peer, and then remove references in every test function */
+static GstPad *mysrcpad, *mysinkpad;
+
+#define AUDIO_CAPS_STRING "audio/mpeg, " \
+                        "mpegversion = (int) 1, " \
+                        "layer = (int) 3, " \
+                        "channels = (int) 2, " \
+                        "rate = (int) 48000"
+#define VIDEO_CAPS_STRING "video/mpeg, " \
+                           "mpegversion = (int) 4, " \
+                           "width = (int) 384, " \
+                           "height = (int) 288, " \
+                           "framerate = (fraction) 25/1"
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("video/quicktime"));
+static GstStaticPadTemplate srcvideotemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (VIDEO_CAPS_STRING));
+
+static GstStaticPadTemplate srcaudiotemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (AUDIO_CAPS_STRING));
+
+
+/* setup and teardown needs some special handling for muxer */
+GstPad *
+setup_src_pad (GstElement * element,
+    GstStaticPadTemplate * template, GstCaps * caps, gchar * sinkname)
+{
+  GstPad *srcpad, *sinkpad;
+
+  GST_DEBUG_OBJECT (element, "setting up sending pad");
+  /* sending pad */
+  srcpad = gst_pad_new_from_static_template (template, "src");
+  fail_if (srcpad == NULL, "Could not create a srcpad");
+  ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
+
+  if (!(sinkpad = gst_element_get_static_pad (element, sinkname)))
+    sinkpad = gst_element_get_request_pad (element, sinkname);
+  fail_if (sinkpad == NULL, "Could not get sink pad from %s",
+      GST_ELEMENT_NAME (element));
+  /* references are owned by: 1) us, 2) qtmux, 3) collect pads */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
+  if (caps)
+    fail_unless (gst_pad_set_caps (srcpad, caps));
+  fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK,
+      "Could not link source and %s sink pads", GST_ELEMENT_NAME (element));
+  gst_object_unref (sinkpad);   /* because we got it higher up */
+
+  /* references are owned by: 1) qtmux, 2) collect pads */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
+
+  return srcpad;
+}
+
+void
+teardown_src_pad (GstPad * srcpad)
+{
+  GstPad *sinkpad;
+
+  /* clean up floating src pad */
+  sinkpad = gst_pad_get_peer (srcpad);
+  fail_if (sinkpad == NULL);
+  /* pad refs held by 1) qtmux 2) collectpads and 3) us (through _get_peer) */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
+
+  gst_pad_unlink (srcpad, sinkpad);
+
+  /* after unlinking, pad refs still held by
+   * 1) qtmux and 2) collectpads and 3) us (through _get_peer) */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
+  gst_object_unref (sinkpad);
+  /* one more ref is held by element itself */
+
+  /* pad refs held by creator */
+  ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
+  gst_object_unref (srcpad);
+}
+
+GstElement *
+setup_qtmux (GstStaticPadTemplate * srctemplate, gchar * sinkname)
+{
+  GstElement *qtmux;
+
+  GST_DEBUG ("setup_qtmux");
+  qtmux = gst_check_setup_element ("qtmux");
+  mysrcpad = setup_src_pad (qtmux, srctemplate, NULL, sinkname);
+  mysinkpad = gst_check_setup_sink_pad (qtmux, &sinktemplate, NULL);
+  gst_pad_set_active (mysrcpad, TRUE);
+  gst_pad_set_active (mysinkpad, TRUE);
+
+  return qtmux;
+}
+
+void
+cleanup_qtmux (GstElement * qtmux, gchar * sinkname)
+{
+  GST_DEBUG ("cleanup_qtmux");
+  gst_element_set_state (qtmux, GST_STATE_NULL);
+
+  gst_pad_set_active (mysrcpad, FALSE);
+  gst_pad_set_active (mysinkpad, FALSE);
+  teardown_src_pad (mysrcpad);
+  gst_check_teardown_sink_pad (qtmux);
+  gst_check_teardown_element (qtmux);
+}
+
+void
+check_qtmux_pad (GstStaticPadTemplate * srctemplate, gchar * sinkname)
+{
+  GstElement *qtmux;
+  GstBuffer *inbuffer, *outbuffer;
+  GstCaps *caps;
+  int num_buffers;
+  int i;
+  guint8 data0[12] = "\000\000\000\024ftypqt  ";
+  guint8 data1[8] = "\000\000\000\001mdat";
+  guint8 data2[4] = "moov";
+
+  qtmux = setup_qtmux (srctemplate, sinkname);
+  fail_unless (gst_element_set_state (qtmux,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  inbuffer = gst_buffer_new_and_alloc (1);
+  caps = gst_caps_copy (gst_pad_get_pad_template_caps (mysrcpad));
+  gst_buffer_set_caps (inbuffer, caps);
+  gst_caps_unref (caps);
+  GST_BUFFER_TIMESTAMP (inbuffer) = 0;
+  GST_BUFFER_DURATION (inbuffer) = 40 * GST_MSECOND;
+  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
+  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
+
+  /* send eos to have moov written */
+  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
+
+  num_buffers = g_list_length (buffers);
+  /* at least expect ftyp, mdat header, buffer chunk and moov */
+  fail_unless (num_buffers >= 4);
+
+  for (i = 0; i < num_buffers; ++i) {
+    outbuffer = GST_BUFFER (buffers->data);
+    fail_if (outbuffer == NULL);
+    buffers = g_list_remove (buffers, outbuffer);
+
+    switch (i) {
+      case 0:
+      {
+        /* ftyp header */
+        guint8 *data = GST_BUFFER_DATA (outbuffer);
+
+        fail_unless (GST_BUFFER_SIZE (outbuffer) >= 20);
+        fail_unless (memcmp (data, data0, sizeof (data0)) == 0);
+        fail_unless (memcmp (data + 16, data0 + 8, 4) == 0);
+        break;
+      }
+      case 1:                  /* mdat header */
+        fail_unless (GST_BUFFER_SIZE (outbuffer) == 16);
+        fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), data1, sizeof (data1))
+            == 0);
+        break;
+      case 2:                  /* buffer we put in */
+        fail_unless (GST_BUFFER_SIZE (outbuffer) == 1);
+        break;
+      case 3:                  /* moov */
+        fail_unless (GST_BUFFER_SIZE (outbuffer) > 8);
+        fail_unless (memcmp (GST_BUFFER_DATA (outbuffer) + 4, data2,
+                sizeof (data2)) == 0);
+        break;
+      default:
+        break;
+    }
+
+    ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
+    gst_buffer_unref (outbuffer);
+    outbuffer = NULL;
+  }
+
+  g_list_free (buffers);
+  buffers = NULL;
+
+  cleanup_qtmux (qtmux, sinkname);
+}
+
+
+GST_START_TEST (test_video_pad)
+{
+  check_qtmux_pad (&srcvideotemplate, "video_%d");
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (test_audio_pad)
+{
+  check_qtmux_pad (&srcaudiotemplate, "audio_%d");
+}
+
+GST_END_TEST;
+
+
+Suite *
+qtmux_suite (void)
+{
+  Suite *s = suite_create ("qtmux");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_video_pad);
+  tcase_add_test (tc_chain, test_audio_pad);
+
+  return s;
+}
+
+int
+main (int argc, char **argv)
+{
+  int nf;
+
+  Suite *s = qtmux_suite ();
+  SRunner *sr = srunner_create (s);
+
+  gst_check_init (&argc, &argv);
+
+  srunner_run_all (sr, CK_NORMAL);
+  nf = srunner_ntests_failed (sr);
+  srunner_free (sr);
+
+  return nf;
+}