Port mplex element to 0.10. Fixes bug #520329.

Original commit message from CVS:
Patch by: Mark Nauwelaerts <manauw at skynet dot be>
* configure.ac:
* ext/Makefile.am:
* ext/mplex/Makefile.am:
* ext/mplex/gstmplex.cc:
* ext/mplex/gstmplex.hh:
* ext/mplex/gstmplexibitstream.cc:
* ext/mplex/gstmplexibitstream.hh:
* ext/mplex/gstmplexjob.cc:
* ext/mplex/gstmplexjob.hh:
* ext/mplex/gstmplexoutputstream.cc:
* ext/mplex/gstmplexoutputstream.hh:
Port mplex element to 0.10. Fixes bug #520329.
* tests/check/Makefile.am:
* tests/check/elements/mplex.c: (test_sink_event), (setup_src_pad),
(teardown_src_pad), (setup_mplex), (cleanup_mplex),
(GST_START_TEST), (mplex_suite), (main):
Add unit test for the mplex element.

2 files changed, 324 insertions, 1 deletions

diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index 0cc65741..abaf2300 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -35,6 +35,12 @@ else
 check_mpeg2enc =
 endif
 
+if USE_MPLEX
+check_mplex = elements/mplex
+else
+check_mplex =
+endif
+
 if USE_NEON
 check_neon = elements/neonhttpsrc
 else
@@ -55,7 +61,8 @@ endif
 
 
 VALGRIND_TO_FIX = \
-	elements/mpeg2enc
+	elements/mpeg2enc \
+	elements/mplex
 
 # valgrind testing
 VALGRIND_TESTS_DISABLE = \
@@ -64,6 +71,7 @@ VALGRIND_TESTS_DISABLE = \
 check_PROGRAMS = \
 	generic/states \
 	$(check_mpeg2enc)  \
+	$(check_mplex)     \ 
 	$(check_neon)      \
 	$(check_soup)      \
 	$(check_timidity)  \
diff --git a/tests/check/elements/mplex.c b/tests/check/elements/mplex.c
new file mode 100644
index 00000000..06fc949a
--- /dev/null
+++ b/tests/check/elements/mplex.c
@@ -0,0 +1,315 @@
+/* GStreamer
+ *
+ * unit test for mplex
+ *
+ * Copyright (C) <2008> Mark Nauwelaerts <mnauw@users.sourceforge.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) 2, " \
+                           "rate = (int) 48000, " \
+                           "channels = (int) 1, " \
+                           "framerate = (fraction) 25/1"
+
+#define MPEG_CAPS_STRING "video/mpeg, " \
+                           "systemstream = (bool) true"
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (MPEG_CAPS_STRING));
+
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (AUDIO_CAPS_STRING));
+
+
+/* some global vars, makes it easy as for the ones above */
+static GMutex *mplex_mutex;
+static GCond *mplex_cond;
+static gboolean arrived_eos;
+
+/* another easy hack, some mp2 audio data that should please mplex
+ * perhaps less would also do, but anyway ...
+ */
+/* begin binary data: */
+guint8 mp2_data[] =             /* 384 */
+{
+  0xFF, 0xFD, 0x84, 0xC4, 0x75, 0x56, 0x46, 0x54, 0x54, 0x5B, 0x2E, 0xB0,
+  0x80, 0x00, 0x00, 0xAB, 0xAA, 0xAE, 0x8A, 0xAC, 0xB4, 0xD7, 0x9D, 0xB6,
+  0xDB, 0x5D, 0xB3, 0xDB, 0x8C, 0xF5, 0xCF, 0x8D, 0x38, 0xD2, 0xFB, 0xF3,
+  0x66, 0x59, 0x6C, 0x62, 0x49, 0x16, 0x59, 0x65, 0xAC, 0xE8, 0x8C, 0x6F,
+  0x18, 0x48, 0x6B, 0x96, 0xD0, 0xD2, 0x68, 0xA6, 0xC5, 0x42, 0x45, 0xA1,
+  0x28, 0x42, 0xBC, 0xA3, 0x99, 0x39, 0x53, 0x20, 0xBA, 0x4A, 0x56, 0x30,
+  0xC5, 0x81, 0xE6, 0x16, 0x6B, 0x77, 0x67, 0x24, 0x29, 0xA9, 0x11, 0x7E,
+  0xA9, 0xA8, 0x41, 0xE1, 0x11, 0x48, 0x79, 0xB1, 0xC2, 0x30, 0x39, 0x2D,
+  0x40, 0x9A, 0xEC, 0x12, 0x65, 0xC5, 0xDD, 0x68, 0x8D, 0x6A, 0xF4, 0x63,
+  0x02, 0xAE, 0xE5, 0x1B, 0xAA, 0xA3, 0x87, 0x1B, 0xDE, 0xB8, 0x6B, 0x7A,
+  0x9B, 0xAF, 0xF7, 0x1A, 0x39, 0x33, 0x9A, 0x17, 0x56, 0x64, 0x0D, 0xDC,
+  0xE2, 0x15, 0xEF, 0x93, 0x24, 0x9A, 0x8E, 0x59, 0x49, 0x7D, 0x45, 0x68,
+  0x2D, 0x9F, 0x85, 0x71, 0xA8, 0x99, 0xC4, 0x6D, 0x26, 0x46, 0x40, 0xBA,
+  0x9A, 0xD6, 0x3D, 0xCF, 0x45, 0xB2, 0xC6, 0xF3, 0x16, 0x21, 0x8B, 0xA8,
+  0xD5, 0x59, 0x78, 0x87, 0xB7, 0x42, 0x9A, 0x65, 0x59, 0x9A, 0x99, 0x58,
+  0x71, 0x26, 0x20, 0x33, 0x76, 0xEE, 0x96, 0x70, 0xF2, 0xBC, 0xB3, 0x7D,
+  0x6B, 0x35, 0x48, 0x37, 0x59, 0x21, 0xC4, 0x87, 0x8A, 0xD8, 0x05, 0x36,
+  0xA5, 0x1A, 0x5C, 0x0A, 0x4F, 0x4B, 0x39, 0x40, 0x39, 0x9A, 0x17, 0xD9,
+  0xAD, 0x21, 0xBE, 0x64, 0xB4, 0x6B, 0x13, 0x03, 0x20, 0x95, 0xDA, 0x18,
+  0x89, 0x88, 0xB5, 0x44, 0xE2, 0x5D, 0x4F, 0x12, 0x19, 0xC4, 0x1A, 0x1A,
+  0x07, 0x07, 0x91, 0xA8, 0x4C, 0x66, 0xB4, 0x81, 0x33, 0xDE, 0xDB, 0xD6,
+  0x24, 0x17, 0xD2, 0x9A, 0x4E, 0xC9, 0x88, 0xAB, 0x44, 0xAA, 0x25, 0x4A,
+  0x79, 0xA9, 0x39, 0x39, 0x0D, 0x2D, 0x20, 0x76, 0x68, 0x5F, 0x65, 0x25,
+  0xCF, 0x29, 0x27, 0x67, 0xB3, 0x68, 0x6C, 0xE5, 0xDC, 0xA5, 0x79, 0xC9,
+  0xAB, 0x46, 0x9D, 0x21, 0x35, 0x82, 0x98, 0xBA, 0x0E, 0x26, 0x39, 0x20,
+  0xAE, 0x1B, 0x92, 0x3D, 0xF7, 0x9F, 0x29, 0xB5, 0xF3, 0xB6, 0x38, 0x68,
+  0x65, 0x99, 0xAD, 0xD8, 0x98, 0x56, 0x5A, 0x61, 0x8D, 0xCB, 0x4A, 0x29,
+  0x43, 0x0E, 0x2D, 0x33, 0x40, 0x6A, 0xB7, 0x5F, 0x49, 0xC9, 0x81, 0xE4,
+  0x0D, 0x6F, 0x15, 0x58, 0x1B, 0x9E, 0x74, 0x20, 0x5D, 0x97, 0x5B, 0x5A,
+  0xDF, 0x92, 0x2D, 0x5A, 0x98, 0xCE, 0x50, 0x20, 0x1A, 0x33, 0x6A, 0x67,
+  0xE2, 0x18, 0x94, 0xA4, 0x70, 0x8F, 0x5F, 0x11, 0x85, 0xB0, 0xE5, 0xD8,
+  0xD4, 0xAA, 0x86, 0xAE, 0x1C, 0x0D, 0xA1, 0x6B, 0x21, 0xB9, 0xC2, 0x17
+};
+
+/* end binary data. size = 384 bytes */
+
+gboolean
+test_sink_event (GstPad * pad, GstEvent * event)
+{
+
+  switch (GST_EVENT_TYPE (event)) {
+    case GST_EVENT_EOS:
+      g_mutex_lock (mplex_mutex);
+      arrived_eos = TRUE;
+      g_cond_signal (mplex_cond);
+      g_mutex_unlock (mplex_mutex);
+      break;
+    default:
+      break;
+  }
+
+  return gst_pad_event_default (pad, event);
+}
+
+/* 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);
+
+  sinkpad = gst_element_get_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) mplex, 3) mplex list */
+  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) mplex, 2) mplex list */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
+
+  return srcpad;
+}
+
+void
+teardown_src_pad (GstElement * element, gchar * sinkname)
+{
+  GstPad *srcpad, *sinkpad;
+  gchar *padname;
+
+  /* clean up floating src pad */
+  padname = g_strdup (sinkname);
+  memcpy (strchr (padname, '%'), "0", 2);
+  sinkpad = gst_element_get_pad (element, padname);
+  g_free (padname);
+  /* pad refs held by 1) mplex 2) mplex list and 3) us (through _get) */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
+  srcpad = gst_pad_get_peer (sinkpad);
+
+  gst_pad_unlink (srcpad, sinkpad);
+
+  /* after unlinking, pad refs still held by
+   * 1) mplex and 2) mplex list and 3) us (through _get) */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
+  gst_object_unref (sinkpad);
+  /* one more ref is held by element itself */
+
+  /* pad refs held by both creator and this function (through _get_peer) */
+  ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2);
+  gst_object_unref (srcpad);
+  gst_object_unref (srcpad);
+
+}
+
+GstElement *
+setup_mplex ()
+{
+  GstElement *mplex;
+
+  GST_DEBUG ("setup_mplex");
+  mplex = gst_check_setup_element ("mplex");
+  mysrcpad = setup_src_pad (mplex, &srctemplate, NULL, "audio_%d");
+  mysinkpad = gst_check_setup_sink_pad (mplex, &sinktemplate, NULL);
+  gst_pad_set_active (mysrcpad, TRUE);
+  gst_pad_set_active (mysinkpad, TRUE);
+
+  /* need to know when we are eos */
+  gst_pad_set_event_function (mysinkpad, test_sink_event);
+
+  /* and notify the test run */
+  mplex_mutex = g_mutex_new ();
+  mplex_cond = g_cond_new ();
+
+  return mplex;
+}
+
+void
+cleanup_mplex (GstElement * mplex)
+{
+  GST_DEBUG ("cleanup_mplex");
+  gst_element_set_state (mplex, GST_STATE_NULL);
+
+  gst_pad_set_active (mysrcpad, FALSE);
+  gst_pad_set_active (mysinkpad, FALSE);
+  teardown_src_pad (mplex, "audio_%d");
+  gst_check_teardown_sink_pad (mplex);
+  gst_check_teardown_element (mplex);
+
+  g_mutex_free (mplex_mutex);
+  g_cond_free (mplex_cond);
+
+  gst_deinit ();
+}
+
+GST_START_TEST (test_audio_pad)
+{
+  GstElement *mplex;
+  GstBuffer *inbuffer, *outbuffer;
+  GstCaps *caps;
+  int i, num_buffers;
+
+  /* PES pack_start_code */
+  guint8 data0[] = { 0x00, 0x00, 0x01, 0xba };
+  /* MPEG_program_end_code */
+  guint8 data1[] = { 0x00, 0x00, 0x01, 0xb9 };
+
+  mplex = setup_mplex ();
+  fail_unless (gst_element_set_state (mplex,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  /* corresponds to I420 buffer for the size mentioned in the caps */
+  inbuffer = gst_buffer_new ();
+  GST_BUFFER_DATA (inbuffer) = mp2_data;
+  GST_BUFFER_SIZE (inbuffer) = sizeof (mp2_data);
+  caps = gst_caps_from_string (AUDIO_CAPS_STRING);
+  gst_buffer_set_caps (inbuffer, caps);
+  gst_caps_unref (caps);
+  GST_BUFFER_TIMESTAMP (inbuffer) = 0;
+  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
+  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
+
+  /* need to force eos and state change to make sure the encoding task ends */
+  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
+  /* need to wait a bit to make sure mplex task digested all this */
+  g_mutex_lock (mplex_mutex);
+  while (!arrived_eos)
+    g_cond_wait (mplex_cond, mplex_mutex);
+  g_mutex_unlock (mplex_mutex);
+
+  num_buffers = g_list_length (buffers);
+  /* well, we do not really know much with mplex, but at least something ... */
+  fail_unless (num_buffers >= 1);
+
+  /* clean up buffers */
+  for (i = 0; i < num_buffers; ++i) {
+    outbuffer = GST_BUFFER (buffers->data);
+    fail_if (outbuffer == NULL);
+
+    if (i == 0) {
+      fail_unless (GST_BUFFER_SIZE (outbuffer) >= sizeof (data0));
+      fail_unless (memcmp (data0, GST_BUFFER_DATA (outbuffer),
+              sizeof (data0)) == 0);
+    }
+    if (i == num_buffers - 1) {
+      fail_unless (GST_BUFFER_SIZE (outbuffer) >= sizeof (data1));
+      fail_unless (memcmp (data1, GST_BUFFER_DATA (outbuffer) +
+              GST_BUFFER_SIZE (outbuffer) - sizeof (data1),
+              sizeof (data1)) == 0);
+    }
+    buffers = g_list_remove (buffers, outbuffer);
+
+    ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
+    gst_buffer_unref (outbuffer);
+    outbuffer = NULL;
+  }
+
+  cleanup_mplex (mplex);
+  g_list_free (buffers);
+  buffers = NULL;
+}
+
+GST_END_TEST;
+
+Suite *
+mplex_suite (void)
+{
+  Suite *s = suite_create ("mplex");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_audio_pad);
+
+  return s;
+}
+
+int
+main (int argc, char **argv)
+{
+  int nf;
+
+  Suite *s = mplex_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;
+}