tests: also include the new test for prev commit

1 files changed, 286 insertions, 0 deletions

diff --git a/tests/check/elements/rtpjitterbuffer.c b/tests/check/elements/rtpjitterbuffer.c
new file mode 100644
index 000000000..12fad5fc9
--- /dev/null
+++ b/tests/check/elements/rtpjitterbuffer.c
@@ -0,0 +1,286 @@
+/* GStreamer
+ *
+ * Copyright (C) 2009 Nokia Corporation and its subsidary(-ies)
+ *               contact: <stefan.kost@nokia.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.
+ */
+
+#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;
+/* we also have a list of src buffers */
+static GList *inbuffers = NULL;
+
+#define RTP_CAPS_STRING    \
+    "application/x-rtp, "               \
+    "media = (string)audio, "           \
+    "payload = (int) 0, "               \
+    "clock-rate = (int) 8000, "         \
+    "encoding-name = (string)PCMU"
+
+#define RTP_FRAME_SIZE 20
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("application/x-rtp")
+    );
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("application/x-rtp, "
+        "clock-rate = (int) [ 1, 2147483647 ]")
+    );
+
+static GstElement *
+setup_jitterbuffer (gint num_buffers)
+{
+  GstElement *jitterbuffer;
+  GstClock *clock;
+  GstBuffer *buffer;
+  GstCaps *caps;
+  /* generated with
+   * gst-launch audiotestsrc wave=silence blocksize=40 num-buffers=3 ! 
+   *    "audio/x-raw-int,channels=1,rate=8000" ! mulawenc ! rtppcmupay !
+   *     fakesink dump=1
+   */
+  guint8 in[] = {               /* first 4 bytes are rtp-header, next 4 bytes are timestamp */
+    0x80, 0x80, 0x1c, 0x24, 0x46, 0xcd, 0xb7, 0x11, 0x3c, 0x3a, 0x7c, 0x5b,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+  };
+  GstClockTime ts = G_GUINT64_CONSTANT (0);
+  GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
+  /*guint latency = GST_TIME_AS_MSECONDS (num_buffers*tso); */
+  gint i;
+
+  GST_DEBUG ("setup_jitterbuffer");
+  jitterbuffer = gst_check_setup_element ("gstrtpjitterbuffer");
+  /* we need a clock here */
+  clock = gst_system_clock_obtain ();
+  gst_element_set_clock (jitterbuffer, clock);
+  gst_object_unref (clock);
+  /* setup latency */
+  /* latency would be 7 for 3 buffers here, default is 200
+     g_object_set (G_OBJECT (jitterbuffer), "latency", latency, NULL);
+     GST_INFO_OBJECT (jitterbuffer, "set latency to %u ms", latency);
+   */
+
+  mysrcpad = gst_check_setup_src_pad (jitterbuffer, &srctemplate, NULL);
+  mysinkpad = gst_check_setup_sink_pad (jitterbuffer, &sinktemplate, NULL);
+  gst_pad_set_active (mysrcpad, TRUE);
+  gst_pad_set_active (mysinkpad, TRUE);
+
+  /* create n buffers */
+  caps = gst_caps_from_string (RTP_CAPS_STRING);
+  for (i = 0; i < num_buffers; i++) {
+    buffer = gst_buffer_new_and_alloc (sizeof (in));
+    memcpy (GST_BUFFER_DATA (buffer), in, sizeof (in));
+    gst_buffer_set_caps (buffer, caps);
+    GST_BUFFER_TIMESTAMP (buffer) = ts;
+    GST_BUFFER_DURATION (buffer) = tso;
+
+    if (!i)
+      GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
+
+    inbuffers = g_list_append (inbuffers, buffer);
+
+    /* hackish way to update the rtp header */
+    in[1] = 0x00;
+    in[3]++;                    /* seqnumber */
+    in[7] += RTP_FRAME_SIZE;    /* inc. timestamp with framesize */
+    ts += tso;
+  }
+  gst_caps_unref (caps);
+
+  return jitterbuffer;
+}
+
+static void
+cleanup_jitterbuffer (GstElement * jitterbuffer)
+{
+  GST_DEBUG ("cleanup_jitterbuffer");
+
+  g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
+  g_list_free (buffers);
+  buffers = NULL;
+
+  g_list_free (inbuffers);
+  inbuffers = NULL;
+
+  gst_pad_set_active (mysrcpad, FALSE);
+  gst_pad_set_active (mysinkpad, FALSE);
+  gst_check_teardown_src_pad (jitterbuffer);
+  gst_check_teardown_sink_pad (jitterbuffer);
+  gst_check_teardown_element (jitterbuffer);
+}
+
+static void
+check_jitterbuffer_results (GstElement * jitterbuffer, gint num_buffers)
+{
+  GstBuffer *buffer;
+  GList *node;
+  GstClockTime ts = G_GUINT64_CONSTANT (0);
+  GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
+  guint8 *data;
+  guint16 prev_sn = 0, cur_sn;
+  guint32 prev_ts = 0, cur_ts;
+
+  /* check the buffer list */
+  fail_unless_equals_int (g_list_length (buffers), num_buffers);
+  for (node = buffers; node; node = g_list_next (node)) {
+    fail_if ((buffer = (GstBuffer *) node->data) == NULL);
+    fail_if (GST_BUFFER_TIMESTAMP (buffer) != ts);
+    data = GST_BUFFER_DATA (buffer);
+    cur_sn = ((guint16) data[2] << 8) | data[3];
+    cur_ts = ((guint32) data[4] << 24) | ((guint32) data[5] << 16) |
+        ((guint32) data[6] << 8) | data[7];
+
+    if (node != buffers) {
+      fail_unless (cur_sn > prev_sn);
+      fail_unless (cur_ts > prev_ts);
+
+      prev_sn = cur_sn;
+      prev_ts = cur_ts;
+    }
+    ts += tso;
+  }
+}
+
+GST_START_TEST (test_push_forward_seq)
+{
+  GstElement *jitterbuffer;
+  const guint num_buffers = 3;
+  GstBuffer *buffer;
+  GList *node;
+
+  jitterbuffer = setup_jitterbuffer (num_buffers);
+  fail_unless (gst_element_set_state (jitterbuffer,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  /* push buffers: 0,1,2, */
+  for (node = inbuffers; node; node = g_list_next (node)) {
+    buffer = (GstBuffer *) node->data;
+    fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
+  }
+
+  /* check the buffer list */
+  check_jitterbuffer_results (jitterbuffer, num_buffers);
+
+  /* cleanup */
+  cleanup_jitterbuffer (jitterbuffer);
+}
+
+GST_END_TEST;
+
+#if 0
+GST_START_TEST (test_push_backward_seq)
+{
+  GstElement *jitterbuffer;
+  const guint num_buffers = 3;
+  GstBuffer *buffer;
+  GList *node;
+
+  jitterbuffer = setup_jitterbuffer (num_buffers);
+  fail_unless (gst_element_set_state (jitterbuffer,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  /* push buffers: 2,1,0 */
+  for (node = g_list_last (inbuffers); node; node = g_list_previous (node)) {
+    buffer = (GstBuffer *) node->data;
+    fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
+  }
+
+  /* attempt to flush the jitterbuffer */
+#if 0
+  gst_pad_push_event (mysrcpad, gst_event_new_eos ());
+  gst_element_set_state (jitterbuffer, GST_STATE_READY);
+  gst_element_get_state (jitterbuffer, NULL, NULL, GST_CLOCK_TIME_NONE);
+#endif
+
+  /* check the buffer list */
+  check_jitterbuffer_results (jitterbuffer, num_buffers);
+
+  /* cleanup */
+  cleanup_jitterbuffer (jitterbuffer);
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (test_push_unordered)
+{
+  GstElement *jitterbuffer;
+  const guint num_buffers = 3;
+  GstBuffer *buffer;
+
+  jitterbuffer = setup_jitterbuffer (num_buffers);
+  fail_unless (gst_element_set_state (jitterbuffer,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  /* push buffers; 0,2,1 */
+  buffer = (GstBuffer *) inbuffers->data;
+  fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
+  buffer = g_list_nth_data (inbuffers, 2);
+  fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
+  buffer = g_list_nth_data (inbuffers, 1);
+  fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
+
+  /* attempt to flush the jitterbuffer */
+#if 0
+  gst_pad_push_event (mysrcpad, gst_event_new_eos ());
+  gst_element_set_state (jitterbuffer, GST_STATE_READY);
+  gst_element_get_state (jitterbuffer, NULL, NULL, GST_CLOCK_TIME_NONE);
+#endif
+
+  /* check the buffer list */
+  check_jitterbuffer_results (jitterbuffer, num_buffers);
+
+  /* cleanup */
+  cleanup_jitterbuffer (jitterbuffer);
+}
+
+GST_END_TEST;
+#endif
+
+static Suite *
+rtpjitterbuffer_suite (void)
+{
+  Suite *s = suite_create ("rtpjitterbuffer");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_push_forward_seq);
+#if 0
+  /* these don't work yet, buffers get dropped or never arrive in the buffers
+   * list */
+  tcase_add_test (tc_chain, test_push_backward_seq);
+  tcase_add_test (tc_chain, test_push_unordered);
+#endif
+
+  /* FIXME: test buffer lists */
+
+  return s;
+}
+
+GST_CHECK_MAIN (rtpjitterbuffer);