tests/check/elements/gdpdepay.c - imx-gst-plugins-bad - Git at Google

 /* GStreamer
  *
  * Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
  *
  * 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., 51 Franklin St, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */

 #include "config.h"
 #include <string.h>
 #include <unistd.h>

 #include <gst/check/gstcheck.h>
 #include <gst/audio/audio.h>
 #include "../../gst/gdp/dataprotocol.c"

 /* 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, *myshsinkpad;

 #define FORMATS "{ S8, "GST_AUDIO_NE(S16)" }"

 #define AUDIO_CAPS_TEMPLATE_STRING \
     "audio/x-raw, " \
     "format = (string) "FORMATS", " \
     "rate = (int) [ 1, MAX ], " \
     "channels = (int) [ 1, 8 ]"

 #define AUDIO_CAPS_STRING \
     "audio/x-raw, " \
     "format = (string) "GST_AUDIO_NE(S16)", " \
     "rate = (int) 1000, " \
     "channels = (int) 2"

 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
     GST_PAD_SINK,
     GST_PAD_ALWAYS,
     GST_STATIC_CAPS (AUDIO_CAPS_TEMPLATE_STRING)
     );
 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
     GST_PAD_SRC,
     GST_PAD_ALWAYS,
     GST_STATIC_CAPS ("application/x-gdp")
     );

 /* takes over reference for outcaps */
 static GstElement *
 setup_gdpdepay (void)
 {
   GstElement *gdpdepay;

   GST_DEBUG ("setup_gdpdepay");
   gdpdepay = gst_check_setup_element ("gdpdepay");
   mysrcpad = gst_check_setup_src_pad (gdpdepay, &srctemplate);
   mysinkpad = gst_check_setup_sink_pad (gdpdepay, &sinktemplate);
   gst_pad_set_active (mysrcpad, TRUE);
   gst_pad_set_active (mysinkpad, TRUE);

   return gdpdepay;
 }

 static void
 cleanup_gdpdepay (GstElement * gdpdepay)
 {
   GST_DEBUG ("cleanup_gdpdepay");

   gst_pad_set_active (mysrcpad, FALSE);
   if (mysinkpad)
     gst_pad_set_active (mysinkpad, FALSE);
   if (myshsinkpad)
     gst_pad_set_active (myshsinkpad, FALSE);
   gst_check_teardown_src_pad (gdpdepay);
   gst_check_teardown_sink_pad (gdpdepay);
   gst_check_teardown_element (gdpdepay);
   mysinkpad = NULL;
   myshsinkpad = NULL;
 }

 static void
 gdpdepay_push_mem_per_byte (const gchar * reason, GstBuffer * buf, guint nth)
 {
   int i;
   GstBuffer *inbuffer;
   GstMapInfo map;
   GstMemory *mem;

   mem = gst_buffer_peek_memory (buf, nth);
   fail_unless (mem != NULL);

   gst_memory_map (mem, &map, GST_MAP_READ);

   for (i = 0; i < map.size; ++i) {
     inbuffer = gst_buffer_new_and_alloc (1);
     gst_buffer_fill (inbuffer, 0, map.data + i, 1);
     fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK,
         "%s: failed pushing byte buffer", reason);
   }

   gst_memory_unmap (mem, &map);
 }

 GST_START_TEST (test_audio_per_byte)
 {
   GstCaps *caps;
   GstPad *srcpad;
   GstElement *gdpdepay;
   GstBuffer *buffer, *outbuffer;
   GstEvent *event;
   GstSegment segment;

   gdpdepay = setup_gdpdepay ();
   srcpad = gst_element_get_static_pad (gdpdepay, "src");

   fail_unless (gst_element_set_state (gdpdepay,
           GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
       "could not set to playing");

   caps = gst_pad_query_caps (srcpad, NULL);
   fail_unless (gst_caps_is_any (caps));
   gst_caps_unref (caps);
   fail_if (gst_pad_get_current_caps (srcpad));

   caps = gst_caps_new_empty_simple ("application/x-gdp");
   gst_check_setup_events (mysrcpad, gdpdepay, caps, GST_FORMAT_BYTES);
   gst_caps_unref (caps);

   /* send stream-start event */
   event = gst_event_new_stream_start ("s-s-id-1234");
   buffer = gst_dp_payload_event (event, 0);
   gst_event_unref (event);
   fail_unless (buffer != NULL);
   gdpdepay_push_mem_per_byte ("stream-start header", buffer, 0);
   fail_unless_equals_int (g_list_length (buffers), 0);
   gdpdepay_push_mem_per_byte ("stream-start payload", buffer, 1);
   fail_unless_equals_int (g_list_length (buffers), 0);
   gst_buffer_unref (buffer);

   /* create caps and buffer packets and push them */
   caps = gst_caps_from_string (AUDIO_CAPS_STRING);
   buffer = gst_dp_payload_caps (caps, 0);
   gst_caps_unref (caps);
   fail_unless (buffer != NULL);
   gdpdepay_push_mem_per_byte ("caps header", buffer, 0);
   fail_unless_equals_int (g_list_length (buffers), 0);
   gdpdepay_push_mem_per_byte ("caps payload", buffer, 1);
   fail_unless_equals_int (g_list_length (buffers), 0);
   caps = gst_pad_query_caps (srcpad, NULL);
   fail_if (gst_caps_is_any (caps));
   gst_caps_unref (caps);
   gst_buffer_unref (buffer);

   /* send segment */
   gst_segment_init (&segment, GST_FORMAT_TIME);
   event = gst_event_new_segment (&segment);
   buffer = gst_dp_payload_event (event, 0);
   gst_event_unref (event);
   fail_unless (buffer != NULL);
   gdpdepay_push_mem_per_byte ("segment header", buffer, 0);
   fail_unless_equals_int (g_list_length (buffers), 0);
   gdpdepay_push_mem_per_byte ("segment payload", buffer, 1);
   fail_unless_equals_int (g_list_length (buffers), 0);
   gst_buffer_unref (buffer);

   buffer = gst_buffer_new_and_alloc (4);
   gst_buffer_fill (buffer, 0, "f00d", 4);
   GST_BUFFER_TIMESTAMP (buffer) = GST_SECOND;
   GST_BUFFER_DURATION (buffer) = GST_SECOND / 10;
   outbuffer = gst_dp_payload_buffer (buffer, 0);
   gst_buffer_unref (buffer);
   fail_unless (outbuffer != NULL);
   gdpdepay_push_mem_per_byte ("buffer header", outbuffer, 0);
   fail_unless_equals_int (g_list_length (buffers), 0);
   gdpdepay_push_mem_per_byte ("buffer payload", outbuffer, 1);
   gst_buffer_unref (outbuffer);

   fail_unless_equals_int (g_list_length (buffers), 1);
   fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
   fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer), GST_SECOND);
   fail_unless_equals_uint64 (GST_BUFFER_DURATION (outbuffer), GST_SECOND / 10);

   buffers = g_list_remove (buffers, outbuffer);
   gst_buffer_unref (outbuffer);

   fail_unless (gst_element_set_state (gdpdepay,
           GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");

   ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
   g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
   g_list_free (buffers);
   buffers = NULL;
   gst_object_unref (srcpad);
   cleanup_gdpdepay (gdpdepay);
 }

 GST_END_TEST;

 GST_START_TEST (test_audio_in_one_buffer)
 {
   GstCaps *caps;
   GstPad *srcpad;
   GstElement *gdpdepay;
   GstBuffer *buffer, *inbuffer;
   GstBuffer *caps_buf, *streamstart_buf, *segment_buf, *data_buf;
   GstEvent *event;
   GstSegment segment;

   gdpdepay = setup_gdpdepay ();
   srcpad = gst_element_get_static_pad (gdpdepay, "src");

   fail_unless (gst_element_set_state (gdpdepay,
           GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
       "could not set to playing");

   /* make sure no caps are set yet */
   caps = gst_pad_query_caps (srcpad, NULL);
   fail_unless (gst_caps_is_any (caps));
   gst_caps_unref (caps);
   fail_if (gst_pad_get_current_caps (srcpad));

   caps = gst_caps_new_empty_simple ("application/x-gdp");
   gst_check_setup_events (mysrcpad, gdpdepay, caps, GST_FORMAT_BYTES);
   gst_caps_unref (caps);

   /* create stream-start event */
   event = gst_event_new_stream_start ("s-s-id-1234");
   streamstart_buf = gst_dp_payload_event (event, 0);
   gst_event_unref (event);

   /* create caps and buffer packets and push them as one buffer */
   caps = gst_caps_from_string (AUDIO_CAPS_STRING);
   caps_buf = gst_dp_payload_caps (caps, 0);
   gst_caps_unref (caps);

   /* create segment */
   gst_segment_init (&segment, GST_FORMAT_TIME);
   event = gst_event_new_segment (&segment);
   segment_buf = gst_dp_payload_event (event, 0);
   gst_event_unref (event);

   buffer = gst_buffer_new_and_alloc (4);
   gst_buffer_fill (buffer, 0, "f00d", 4);
   data_buf = gst_dp_payload_buffer (buffer, 0);
   gst_buffer_unref (buffer);

   inbuffer = gst_buffer_append (streamstart_buf, caps_buf);
   inbuffer = gst_buffer_append (inbuffer, segment_buf);
   inbuffer = gst_buffer_append (inbuffer, data_buf);

   /* now push it */
   gst_pad_push (mysrcpad, inbuffer);

   /* the buffer is still queued */
   fail_unless_equals_int (g_list_length (buffers), 1);

   fail_unless (gst_element_set_state (gdpdepay,
           GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");

   gst_object_unref (srcpad);
   g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
   g_list_free (buffers);
   buffers = NULL;
   ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
   cleanup_gdpdepay (gdpdepay);
 }

 GST_END_TEST;

 static GstStaticPadTemplate shsinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
     GST_PAD_SINK,
     GST_PAD_ALWAYS,
     GST_STATIC_CAPS ("application/x-gst-test-streamheader")
     );

 static GstElement *
 setup_gdpdepay_streamheader (void)
 {
   GstElement *gdpdepay;

   GST_DEBUG ("setup_gdpdepay");
   gdpdepay = gst_check_setup_element ("gdpdepay");
   mysrcpad = gst_check_setup_src_pad (gdpdepay, &srctemplate);
   myshsinkpad = gst_check_setup_sink_pad (gdpdepay, &shsinktemplate);
   gst_pad_set_active (mysrcpad, TRUE);
   gst_pad_set_active (myshsinkpad, TRUE);

   return gdpdepay;
 }

 /* this tests deserialization of a GDP stream where the serialized caps
  * have a streamheader set */
 GST_START_TEST (test_streamheader)
 {
   GstCaps *caps;
   GstPad *srcpad;
   GstElement *gdpdepay;
   GstBuffer *buffer, *inbuffer, *outbuffer, *shbuffer;
   GstBuffer *caps_buf, *ss_buf, *segment_buf, *data_buf;
   GstEvent *event;
   GstSegment segment;
   GstStructure *structure;
   GValue array = { 0 };
   GValue value = { 0 };

   gdpdepay = setup_gdpdepay_streamheader ();
   srcpad = gst_element_get_static_pad (gdpdepay, "src");
   ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);

   fail_unless (gst_element_set_state (gdpdepay,
           GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
       "could not set to playing");

   /* make sure no caps are set yet */
   caps = gst_pad_query_caps (srcpad, NULL);
   fail_unless (gst_caps_is_any (caps));
   gst_caps_unref (caps);
   fail_if (gst_pad_get_current_caps (srcpad));

   caps = gst_caps_new_empty_simple ("application/x-gdp");
   gst_check_setup_events (mysrcpad, gdpdepay, caps, GST_FORMAT_BYTES);
   gst_caps_unref (caps);

   /* create a streamheader buffer and the caps containing it */
   caps = gst_caps_from_string ("application/x-gst-test-streamheader");
   structure = gst_caps_get_structure (caps, 0);
   buffer = gst_buffer_new_and_alloc (4);
   gst_buffer_fill (buffer, 0, "f00d", 4);
   GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_HEADER);
   g_value_init (&array, GST_TYPE_ARRAY);
   g_value_init (&value, GST_TYPE_BUFFER);
   shbuffer = gst_buffer_copy (buffer);
   gst_value_set_buffer (&value, shbuffer);
   gst_buffer_unref (shbuffer);
   gst_value_array_append_value (&array, &value);
   g_value_unset (&value);
   gst_structure_set_value (structure, "streamheader", &array);
   g_value_unset (&array);


   /* basic events */
   /* create stream-start event */
   event = gst_event_new_stream_start ("s-s-id-1234");
   ss_buf = gst_dp_payload_event (event, 0);
   gst_event_unref (event);

   /* create segment */
   gst_segment_init (&segment, GST_FORMAT_TIME);
   event = gst_event_new_segment (&segment);
   segment_buf = gst_dp_payload_event (event, 0);
   gst_event_unref (event);

   /* create GDP packets for the caps and the buffer, and put them in one
    * GDP buffer */
   caps_buf = gst_dp_payload_caps (caps, 0);
   gst_caps_unref (caps);

   data_buf = gst_dp_payload_buffer (buffer, 0);
   gst_buffer_unref (buffer);

   inbuffer = gst_buffer_append (ss_buf, caps_buf);
   inbuffer = gst_buffer_append (inbuffer, segment_buf);
   inbuffer = gst_buffer_append (inbuffer, data_buf);

   /* now push it */
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_pad_push (mysrcpad, inbuffer);

   /* our only output buffer is the streamheader buffer */
   fail_unless_equals_int (g_list_length (buffers), 1);
   fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
   buffers = g_list_remove (buffers, outbuffer);
   ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
   fail_unless (GST_BUFFER_FLAG_IS_SET (outbuffer, GST_BUFFER_FLAG_HEADER));

   /* FIXME: get streamheader, compare data with buffer */
   gst_buffer_unref (outbuffer);

   /* clean up */
   fail_unless (gst_element_set_state (gdpdepay,
           GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");

   gst_object_unref (srcpad);
   g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
   g_list_free (buffers);
   buffers = NULL;
   ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
   cleanup_gdpdepay (gdpdepay);
 }

 GST_END_TEST;

 static Suite *
 gdpdepay_suite (void)
 {
   Suite *s = suite_create ("gdpdepay");
   TCase *tc_chain = tcase_create ("general");

   suite_add_tcase (s, tc_chain);
   tcase_add_test (tc_chain, test_audio_per_byte);
   tcase_add_test (tc_chain, test_audio_in_one_buffer);
   tcase_add_test (tc_chain, test_streamheader);

   return s;
 }

 GST_CHECK_MAIN (gdpdepay);
	/* GStreamer
	*
	* Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
	*
	* 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., 51 Franklin St, Fifth Floor,
	* Boston, MA 02110-1301, USA.
	*/

	#include "config.h"
	#include <string.h>
	#include <unistd.h>

	#include <gst/check/gstcheck.h>
	#include <gst/audio/audio.h>
	#include "../../gst/gdp/dataprotocol.c"

	/* 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, *myshsinkpad;

	#define FORMATS "{ S8, "GST_AUDIO_NE(S16)" }"

	#define AUDIO_CAPS_TEMPLATE_STRING \
	"audio/x-raw, " \
	"format = (string) "FORMATS", " \
	"rate = (int) [ 1, MAX ], " \
	"channels = (int) [ 1, 8 ]"

	#define AUDIO_CAPS_STRING \
	"audio/x-raw, " \
	"format = (string) "GST_AUDIO_NE(S16)", " \
	"rate = (int) 1000, " \
	"channels = (int) 2"

	static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
	GST_PAD_SINK,
	GST_PAD_ALWAYS,
	GST_STATIC_CAPS (AUDIO_CAPS_TEMPLATE_STRING)
	);
	static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
	GST_PAD_SRC,
	GST_PAD_ALWAYS,
	GST_STATIC_CAPS ("application/x-gdp")
	);

	/* takes over reference for outcaps */
	static GstElement *
	setup_gdpdepay (void)
	{
	GstElement *gdpdepay;

	GST_DEBUG ("setup_gdpdepay");
	gdpdepay = gst_check_setup_element ("gdpdepay");
	mysrcpad = gst_check_setup_src_pad (gdpdepay, &srctemplate);
	mysinkpad = gst_check_setup_sink_pad (gdpdepay, &sinktemplate);
	gst_pad_set_active (mysrcpad, TRUE);
	gst_pad_set_active (mysinkpad, TRUE);

	return gdpdepay;
	}

	static void
	cleanup_gdpdepay (GstElement * gdpdepay)
	{
	GST_DEBUG ("cleanup_gdpdepay");

	gst_pad_set_active (mysrcpad, FALSE);
	if (mysinkpad)
	gst_pad_set_active (mysinkpad, FALSE);
	if (myshsinkpad)
	gst_pad_set_active (myshsinkpad, FALSE);
	gst_check_teardown_src_pad (gdpdepay);
	gst_check_teardown_sink_pad (gdpdepay);
	gst_check_teardown_element (gdpdepay);
	mysinkpad = NULL;
	myshsinkpad = NULL;
	}

	static void
	gdpdepay_push_mem_per_byte (const gchar * reason, GstBuffer * buf, guint nth)
	{
	int i;
	GstBuffer *inbuffer;
	GstMapInfo map;
	GstMemory *mem;

	mem = gst_buffer_peek_memory (buf, nth);
	fail_unless (mem != NULL);

	gst_memory_map (mem, &map, GST_MAP_READ);

	for (i = 0; i < map.size; ++i) {
	inbuffer = gst_buffer_new_and_alloc (1);
	gst_buffer_fill (inbuffer, 0, map.data + i, 1);
	fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK,
	"%s: failed pushing byte buffer", reason);
	}

	gst_memory_unmap (mem, &map);
	}

	GST_START_TEST (test_audio_per_byte)
	{
	GstCaps *caps;
	GstPad *srcpad;
	GstElement *gdpdepay;
	GstBuffer buffer, outbuffer;
	GstEvent *event;
	GstSegment segment;

	gdpdepay = setup_gdpdepay ();
	srcpad = gst_element_get_static_pad (gdpdepay, "src");

	fail_unless (gst_element_set_state (gdpdepay,
	GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
	"could not set to playing");

	caps = gst_pad_query_caps (srcpad, NULL);
	fail_unless (gst_caps_is_any (caps));
	gst_caps_unref (caps);
	fail_if (gst_pad_get_current_caps (srcpad));

	caps = gst_caps_new_empty_simple ("application/x-gdp");
	gst_check_setup_events (mysrcpad, gdpdepay, caps, GST_FORMAT_BYTES);
	gst_caps_unref (caps);

	/* send stream-start event */
	event = gst_event_new_stream_start ("s-s-id-1234");
	buffer = gst_dp_payload_event (event, 0);
	gst_event_unref (event);
	fail_unless (buffer != NULL);
	gdpdepay_push_mem_per_byte ("stream-start header", buffer, 0);
	fail_unless_equals_int (g_list_length (buffers), 0);
	gdpdepay_push_mem_per_byte ("stream-start payload", buffer, 1);
	fail_unless_equals_int (g_list_length (buffers), 0);
	gst_buffer_unref (buffer);

	/* create caps and buffer packets and push them */
	caps = gst_caps_from_string (AUDIO_CAPS_STRING);
	buffer = gst_dp_payload_caps (caps, 0);
	gst_caps_unref (caps);
	fail_unless (buffer != NULL);
	gdpdepay_push_mem_per_byte ("caps header", buffer, 0);
	fail_unless_equals_int (g_list_length (buffers), 0);
	gdpdepay_push_mem_per_byte ("caps payload", buffer, 1);
	fail_unless_equals_int (g_list_length (buffers), 0);
	caps = gst_pad_query_caps (srcpad, NULL);
	fail_if (gst_caps_is_any (caps));
	gst_caps_unref (caps);
	gst_buffer_unref (buffer);

	/* send segment */
	gst_segment_init (&segment, GST_FORMAT_TIME);
	event = gst_event_new_segment (&segment);
	buffer = gst_dp_payload_event (event, 0);
	gst_event_unref (event);
	fail_unless (buffer != NULL);
	gdpdepay_push_mem_per_byte ("segment header", buffer, 0);
	fail_unless_equals_int (g_list_length (buffers), 0);
	gdpdepay_push_mem_per_byte ("segment payload", buffer, 1);
	fail_unless_equals_int (g_list_length (buffers), 0);
	gst_buffer_unref (buffer);

	buffer = gst_buffer_new_and_alloc (4);
	gst_buffer_fill (buffer, 0, "f00d", 4);
	GST_BUFFER_TIMESTAMP (buffer) = GST_SECOND;
	GST_BUFFER_DURATION (buffer) = GST_SECOND / 10;
	outbuffer = gst_dp_payload_buffer (buffer, 0);
	gst_buffer_unref (buffer);
	fail_unless (outbuffer != NULL);
	gdpdepay_push_mem_per_byte ("buffer header", outbuffer, 0);
	fail_unless_equals_int (g_list_length (buffers), 0);
	gdpdepay_push_mem_per_byte ("buffer payload", outbuffer, 1);
	gst_buffer_unref (outbuffer);

	fail_unless_equals_int (g_list_length (buffers), 1);
	fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
	fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer), GST_SECOND);
	fail_unless_equals_uint64 (GST_BUFFER_DURATION (outbuffer), GST_SECOND / 10);

	buffers = g_list_remove (buffers, outbuffer);
	gst_buffer_unref (outbuffer);

	fail_unless (gst_element_set_state (gdpdepay,
	GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");

	ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
	g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
	g_list_free (buffers);
	buffers = NULL;
	gst_object_unref (srcpad);
	cleanup_gdpdepay (gdpdepay);
	}

	GST_END_TEST;

	GST_START_TEST (test_audio_in_one_buffer)
	{
	GstCaps *caps;
	GstPad *srcpad;
	GstElement *gdpdepay;
	GstBuffer buffer, inbuffer;
	GstBuffer caps_buf, streamstart_buf, segment_buf, data_buf;
	GstEvent *event;
	GstSegment segment;

	gdpdepay = setup_gdpdepay ();
	srcpad = gst_element_get_static_pad (gdpdepay, "src");

	fail_unless (gst_element_set_state (gdpdepay,
	GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
	"could not set to playing");

	/* make sure no caps are set yet */
	caps = gst_pad_query_caps (srcpad, NULL);
	fail_unless (gst_caps_is_any (caps));
	gst_caps_unref (caps);
	fail_if (gst_pad_get_current_caps (srcpad));

	caps = gst_caps_new_empty_simple ("application/x-gdp");
	gst_check_setup_events (mysrcpad, gdpdepay, caps, GST_FORMAT_BYTES);
	gst_caps_unref (caps);

	/* create stream-start event */
	event = gst_event_new_stream_start ("s-s-id-1234");
	streamstart_buf = gst_dp_payload_event (event, 0);
	gst_event_unref (event);

	/* create caps and buffer packets and push them as one buffer */
	caps = gst_caps_from_string (AUDIO_CAPS_STRING);
	caps_buf = gst_dp_payload_caps (caps, 0);
	gst_caps_unref (caps);

	/* create segment */
	gst_segment_init (&segment, GST_FORMAT_TIME);
	event = gst_event_new_segment (&segment);
	segment_buf = gst_dp_payload_event (event, 0);
	gst_event_unref (event);

	buffer = gst_buffer_new_and_alloc (4);
	gst_buffer_fill (buffer, 0, "f00d", 4);
	data_buf = gst_dp_payload_buffer (buffer, 0);
	gst_buffer_unref (buffer);

	inbuffer = gst_buffer_append (streamstart_buf, caps_buf);
	inbuffer = gst_buffer_append (inbuffer, segment_buf);
	inbuffer = gst_buffer_append (inbuffer, data_buf);

	/* now push it */
	gst_pad_push (mysrcpad, inbuffer);

	/* the buffer is still queued */
	fail_unless_equals_int (g_list_length (buffers), 1);

	fail_unless (gst_element_set_state (gdpdepay,
	GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");

	gst_object_unref (srcpad);
	g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
	g_list_free (buffers);
	buffers = NULL;
	ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
	cleanup_gdpdepay (gdpdepay);
	}

	GST_END_TEST;

	static GstStaticPadTemplate shsinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
	GST_PAD_SINK,
	GST_PAD_ALWAYS,
	GST_STATIC_CAPS ("application/x-gst-test-streamheader")
	);

	static GstElement *
	setup_gdpdepay_streamheader (void)
	{
	GstElement *gdpdepay;

	GST_DEBUG ("setup_gdpdepay");
	gdpdepay = gst_check_setup_element ("gdpdepay");
	mysrcpad = gst_check_setup_src_pad (gdpdepay, &srctemplate);
	myshsinkpad = gst_check_setup_sink_pad (gdpdepay, &shsinktemplate);
	gst_pad_set_active (mysrcpad, TRUE);
	gst_pad_set_active (myshsinkpad, TRUE);

	return gdpdepay;
	}

	/* this tests deserialization of a GDP stream where the serialized caps
	* have a streamheader set */
	GST_START_TEST (test_streamheader)
	{
	GstCaps *caps;
	GstPad *srcpad;
	GstElement *gdpdepay;
	GstBuffer buffer, inbuffer, outbuffer, shbuffer;
	GstBuffer caps_buf, ss_buf, segment_buf, data_buf;
	GstEvent *event;
	GstSegment segment;
	GstStructure *structure;
	GValue array = { 0 };
	GValue value = { 0 };

	gdpdepay = setup_gdpdepay_streamheader ();
	srcpad = gst_element_get_static_pad (gdpdepay, "src");
	ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);

	fail_unless (gst_element_set_state (gdpdepay,
	GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
	"could not set to playing");

	/* make sure no caps are set yet */
	caps = gst_pad_query_caps (srcpad, NULL);
	fail_unless (gst_caps_is_any (caps));
	gst_caps_unref (caps);
	fail_if (gst_pad_get_current_caps (srcpad));

	caps = gst_caps_new_empty_simple ("application/x-gdp");
	gst_check_setup_events (mysrcpad, gdpdepay, caps, GST_FORMAT_BYTES);
	gst_caps_unref (caps);

	/* create a streamheader buffer and the caps containing it */
	caps = gst_caps_from_string ("application/x-gst-test-streamheader");
	structure = gst_caps_get_structure (caps, 0);
	buffer = gst_buffer_new_and_alloc (4);
	gst_buffer_fill (buffer, 0, "f00d", 4);
	GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_HEADER);
	g_value_init (&array, GST_TYPE_ARRAY);
	g_value_init (&value, GST_TYPE_BUFFER);
	shbuffer = gst_buffer_copy (buffer);
	gst_value_set_buffer (&value, shbuffer);
	gst_buffer_unref (shbuffer);
	gst_value_array_append_value (&array, &value);
	g_value_unset (&value);
	gst_structure_set_value (structure, "streamheader", &array);
	g_value_unset (&array);


	/* basic events */
	/* create stream-start event */
	event = gst_event_new_stream_start ("s-s-id-1234");
	ss_buf = gst_dp_payload_event (event, 0);
	gst_event_unref (event);

	/* create segment */
	gst_segment_init (&segment, GST_FORMAT_TIME);
	event = gst_event_new_segment (&segment);
	segment_buf = gst_dp_payload_event (event, 0);
	gst_event_unref (event);

	/* create GDP packets for the caps and the buffer, and put them in one
	* GDP buffer */
	caps_buf = gst_dp_payload_caps (caps, 0);
	gst_caps_unref (caps);

	data_buf = gst_dp_payload_buffer (buffer, 0);
	gst_buffer_unref (buffer);

	inbuffer = gst_buffer_append (ss_buf, caps_buf);
	inbuffer = gst_buffer_append (inbuffer, segment_buf);
	inbuffer = gst_buffer_append (inbuffer, data_buf);

	/* now push it */
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_pad_push (mysrcpad, inbuffer);

	/* our only output buffer is the streamheader buffer */
	fail_unless_equals_int (g_list_length (buffers), 1);
	fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
	buffers = g_list_remove (buffers, outbuffer);
	ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
	fail_unless (GST_BUFFER_FLAG_IS_SET (outbuffer, GST_BUFFER_FLAG_HEADER));

	/* FIXME: get streamheader, compare data with buffer */
	gst_buffer_unref (outbuffer);

	/* clean up */
	fail_unless (gst_element_set_state (gdpdepay,
	GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");

	gst_object_unref (srcpad);
	g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
	g_list_free (buffers);
	buffers = NULL;
	ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
	cleanup_gdpdepay (gdpdepay);
	}

	GST_END_TEST;

	static Suite *
	gdpdepay_suite (void)
	{
	Suite *s = suite_create ("gdpdepay");
	TCase *tc_chain = tcase_create ("general");

	suite_add_tcase (s, tc_chain);
	tcase_add_test (tc_chain, test_audio_per_byte);
	tcase_add_test (tc_chain, test_audio_in_one_buffer);
	tcase_add_test (tc_chain, test_streamheader);

	return s;
	}

	GST_CHECK_MAIN (gdpdepay);