tests/check/elements/vorbisdec.c - mtk-gst-plugins-base-debian - Git at Google

 /* GStreamer
  *
  * unit test for vorbisdec
  *
  * Copyright (C) <2005> 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 <unistd.h>

 #include <gst/check/gstcheck.h>

 #include <vorbis/codec.h>
 #include <vorbis/vorbisenc.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;

 /* a valid first header packet */
 static guchar identification_header[30] = {
   1,                            /* packet_type */
   'v', 'o', 'r', 'b', 'i', 's',
   0, 0, 0, 0,                   /* vorbis_version */
   2,                            /* audio_channels */
   0x44, 0xac, 0, 0,             /* sample_rate */
   0xff, 0xff, 0xff, 0xff,       /* bitrate_maximum */
   0x00, 0xee, 0x02, 0x00,       /* bitrate_nominal */
   0xff, 0xff, 0xff, 0xff,       /* bitrate_minimum */
   0xb8,                         /* blocksize_0, blocksize_1 */
   0x01,                         /* framing_flag */
 };

 static guchar comment_header[] = {
   3,                            /* packet_type */
   'v', 'o', 'r', 'b', 'i', 's',
   2, 0, 0, 0,                   /* vendor_length */
   'm', 'e',
   1, 0, 0, 0,                   /* user_comment_list_length */
   9, 0, 0, 0,                   /* length comment[0] */
   'A', 'R', 'T', 'I', 'S', 'T', '=', 'm', 'e',
   0x01,                         /* framing bit */
 };

 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
     GST_PAD_SINK,
     GST_PAD_ALWAYS,
     GST_STATIC_CAPS_ANY);
 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
     GST_PAD_SRC,
     GST_PAD_ALWAYS,
     GST_STATIC_CAPS_ANY);

 static GstElement *
 setup_vorbisdec (void)
 {
   GstElement *vorbisdec;
   GstCaps *caps;

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

   caps = gst_caps_new_empty_simple ("audio/x-vorbis");
   gst_check_setup_events (mysrcpad, vorbisdec, caps, GST_FORMAT_TIME);
   gst_caps_unref (caps);

   gst_pad_set_active (mysinkpad, TRUE);

   return vorbisdec;
 }

 static void
 cleanup_vorbisdec (GstElement * vorbisdec)
 {
   GST_DEBUG ("cleanup_vorbisdec");
   gst_element_set_state (vorbisdec, GST_STATE_NULL);

   gst_pad_set_active (mysrcpad, FALSE);
   gst_pad_set_active (mysinkpad, FALSE);
   gst_check_teardown_src_pad (vorbisdec);
   gst_check_teardown_sink_pad (vorbisdec);
   gst_check_teardown_element (vorbisdec);
 }

 /* FIXME: also tests comment header */
 GST_START_TEST (test_identification_header)
 {
   GstElement *vorbisdec;
   GstBuffer *inbuffer;
   GstBus *bus;
   GstMessage *message;

   vorbisdec = setup_vorbisdec ();

   fail_unless (gst_element_set_state (vorbisdec,
           GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
       "could not set to playing");
   bus = gst_bus_new ();

   inbuffer = gst_buffer_new_and_alloc (30);
   gst_buffer_fill (inbuffer, 0, identification_header, 30);
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_ref (inbuffer);

   gst_element_set_bus (vorbisdec, bus);
   /* pushing gives away my reference ... */
   fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
   /* ... and nothing ends up on the global buffer list */
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_unref (inbuffer);
   fail_unless (g_list_length (buffers) == 0);
   fail_if ((message = gst_bus_pop (bus)) != NULL);

   inbuffer = gst_buffer_new_and_alloc (sizeof (comment_header));
   gst_buffer_fill (inbuffer, 0, comment_header, sizeof (comment_header));
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_ref (inbuffer);

   /* pushing gives away my reference ... */
   fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
   /* ... and nothing ends up on the global buffer list */
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_unref (inbuffer);
   fail_unless (g_list_length (buffers) == 0);

 #if 0
   /* there's a tag message waiting */
   fail_if ((message = gst_bus_pop (bus)) == NULL);
   gst_message_parse_tag (message, &tag_list);
   fail_unless_equals_int (gst_tag_list_get_tag_size (tag_list, GST_TAG_ARTIST),
       1);
   fail_unless (gst_tag_list_get_string (tag_list, GST_TAG_ARTIST, &artist));
   fail_unless_equals_string (artist, "me");
   g_free (artist);
   fail_unless_equals_int (gst_tag_list_get_tag_size (tag_list, "album"), 0);
   gst_tag_list_unref (tag_list);
   gst_message_unref (message);
 #endif

   /* make sure there's no error on the bus */
   message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR);
   fail_if (message != NULL);

   /* cleanup */
   gst_bus_set_flushing (bus, TRUE);
   gst_element_set_bus (vorbisdec, NULL);
   gst_object_unref (GST_OBJECT (bus));
   cleanup_vorbisdec (vorbisdec);
 }

 GST_END_TEST;

 static vorbis_comment vc;
 static vorbis_dsp_state vd;
 static vorbis_info vi;
 static vorbis_block vb;

 static GstBuffer *
 _create_codebook_header_buffer (void)
 {
   GstBuffer *buffer;
   ogg_packet header;
   ogg_packet header_comm;
   ogg_packet header_code;

   vorbis_info_init (&vi);
   vorbis_encode_setup_vbr (&vi, 1, 44000, 0.5);
   vorbis_encode_setup_init (&vi);
   vorbis_analysis_init (&vd, &vi);
   vorbis_block_init (&vd, &vb);
   vorbis_comment_init (&vc);
   vorbis_analysis_headerout (&vd, &vc, &header, &header_comm, &header_code);

   buffer = gst_buffer_new_and_alloc (header_code.bytes);
   gst_buffer_fill (buffer, 0, header_code.packet, header_code.bytes);

   return buffer;
 }

 static GstBuffer *
 _create_audio_buffer (void)
 {
   GstBuffer *buffer;
   ogg_packet packet;
   float **vorbis_buffer;
   gint i;

   vorbis_buffer = vorbis_analysis_buffer (&vd, 44100);
   for (i = 0; i < 44100 * 1; ++i)
     vorbis_buffer[0][i] = 0.0;
   vorbis_analysis_wrote (&vd, 44100);
   vorbis_analysis_blockout (&vd, &vb);
   vorbis_analysis (&vb, NULL);
   vorbis_bitrate_addblock (&vb);
   vorbis_bitrate_flushpacket (&vd, &packet);
   buffer = gst_buffer_new_and_alloc (packet.bytes);
   gst_buffer_fill (buffer, 0, packet.packet, packet.bytes);

   vorbis_comment_clear (&vc);
   vorbis_block_clear (&vb);
   vorbis_dsp_clear (&vd);
   vorbis_info_clear (&vi);

   return buffer;
 }

 GST_START_TEST (test_empty_vorbis_packet)
 {
   GstElement *vorbisdec;
   GstBuffer *inbuffer;
   GstMessage *message;
   GstBus *bus;

   vorbisdec = setup_vorbisdec ();
   fail_unless_equals_int (gst_element_set_state (vorbisdec, GST_STATE_PLAYING),
       GST_STATE_CHANGE_SUCCESS);

   bus = gst_bus_new ();

   inbuffer = gst_buffer_new_and_alloc (30);
   gst_buffer_fill (inbuffer, 0, identification_header, 30);
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_ref (inbuffer);

   gst_element_set_bus (vorbisdec, bus);

   /* pushing gives away my reference ... */
   fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
   /* ... and nothing ends up on the global buffer list */
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_unref (inbuffer);
   fail_unless (g_list_length (buffers) == 0);
   fail_if ((message = gst_bus_pop (bus)) != NULL);

   inbuffer = gst_buffer_new_and_alloc (sizeof (comment_header));
   gst_buffer_fill (inbuffer, 0, comment_header, sizeof (comment_header));
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_ref (inbuffer);

   /* pushing gives away my reference ... */
   fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
   /* ... and nothing ends up on the global buffer list */
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_unref (inbuffer);
   fail_unless (g_list_length (buffers) == 0);

   /* send minimal codebook header and audio packers */
   inbuffer = _create_codebook_header_buffer ();
   fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);

   /* now send an empty vorbis packet, which should just be skipped */
   inbuffer = gst_buffer_new_and_alloc (0);
   gst_buffer_ref (inbuffer);
   fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_unref (inbuffer);
   fail_unless (g_list_length (buffers) == 0);

   /* create and push an encoded audio packet */
   inbuffer = _create_audio_buffer ();
   fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);

   /* now send another empty vorbis packet, which should just be skipped */
   inbuffer = gst_buffer_new_and_alloc (0);
   gst_buffer_ref (inbuffer);
   fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);
   ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
   gst_buffer_unref (inbuffer);

   /* make sure there's no error on the bus */
   message = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
   fail_if (message != NULL);

   /* cleanup */
   gst_bus_set_flushing (bus, TRUE);
   gst_element_set_bus (vorbisdec, NULL);
   gst_object_unref (GST_OBJECT (bus));
   cleanup_vorbisdec (vorbisdec);
 }

 GST_END_TEST;

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

   suite_add_tcase (s, tc_chain);
   tcase_add_test (tc_chain, test_identification_header);
   tcase_add_test (tc_chain, test_empty_vorbis_packet);

   return s;
 }

 GST_CHECK_MAIN (vorbisdec);
	/* GStreamer
	*
	* unit test for vorbisdec
	*
	* Copyright (C) <2005> 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 <unistd.h>

	#include <gst/check/gstcheck.h>

	#include <vorbis/codec.h>
	#include <vorbis/vorbisenc.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;

	/* a valid first header packet */
	static guchar identification_header[30] = {
	1, /* packet_type */
	'v', 'o', 'r', 'b', 'i', 's',
	0, 0, 0, 0, /* vorbis_version */
	2, /* audio_channels */
	0x44, 0xac, 0, 0, /* sample_rate */
	0xff, 0xff, 0xff, 0xff, /* bitrate_maximum */
	0x00, 0xee, 0x02, 0x00, /* bitrate_nominal */
	0xff, 0xff, 0xff, 0xff, /* bitrate_minimum */
	0xb8, /* blocksize_0, blocksize_1 */
	0x01, /* framing_flag */
	};

	static guchar comment_header[] = {
	3, /* packet_type */
	'v', 'o', 'r', 'b', 'i', 's',
	2, 0, 0, 0, /* vendor_length */
	'm', 'e',
	1, 0, 0, 0, /* user_comment_list_length */
	9, 0, 0, 0, /* length comment[0] */
	'A', 'R', 'T', 'I', 'S', 'T', '=', 'm', 'e',
	0x01, /* framing bit */
	};

	static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
	GST_PAD_SINK,
	GST_PAD_ALWAYS,
	GST_STATIC_CAPS_ANY);
	static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
	GST_PAD_SRC,
	GST_PAD_ALWAYS,
	GST_STATIC_CAPS_ANY);

	static GstElement *
	setup_vorbisdec (void)
	{
	GstElement *vorbisdec;
	GstCaps *caps;

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

	caps = gst_caps_new_empty_simple ("audio/x-vorbis");
	gst_check_setup_events (mysrcpad, vorbisdec, caps, GST_FORMAT_TIME);
	gst_caps_unref (caps);

	gst_pad_set_active (mysinkpad, TRUE);

	return vorbisdec;
	}

	static void
	cleanup_vorbisdec (GstElement * vorbisdec)
	{
	GST_DEBUG ("cleanup_vorbisdec");
	gst_element_set_state (vorbisdec, GST_STATE_NULL);

	gst_pad_set_active (mysrcpad, FALSE);
	gst_pad_set_active (mysinkpad, FALSE);
	gst_check_teardown_src_pad (vorbisdec);
	gst_check_teardown_sink_pad (vorbisdec);
	gst_check_teardown_element (vorbisdec);
	}

	/* FIXME: also tests comment header */
	GST_START_TEST (test_identification_header)
	{
	GstElement *vorbisdec;
	GstBuffer *inbuffer;
	GstBus *bus;
	GstMessage *message;

	vorbisdec = setup_vorbisdec ();

	fail_unless (gst_element_set_state (vorbisdec,
	GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
	"could not set to playing");
	bus = gst_bus_new ();

	inbuffer = gst_buffer_new_and_alloc (30);
	gst_buffer_fill (inbuffer, 0, identification_header, 30);
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_ref (inbuffer);

	gst_element_set_bus (vorbisdec, bus);
	/* pushing gives away my reference ... */
	fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
	/* ... and nothing ends up on the global buffer list */
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_unref (inbuffer);
	fail_unless (g_list_length (buffers) == 0);
	fail_if ((message = gst_bus_pop (bus)) != NULL);

	inbuffer = gst_buffer_new_and_alloc (sizeof (comment_header));
	gst_buffer_fill (inbuffer, 0, comment_header, sizeof (comment_header));
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_ref (inbuffer);

	/* pushing gives away my reference ... */
	fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
	/* ... and nothing ends up on the global buffer list */
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_unref (inbuffer);
	fail_unless (g_list_length (buffers) == 0);

	#if 0
	/* there's a tag message waiting */
	fail_if ((message = gst_bus_pop (bus)) == NULL);
	gst_message_parse_tag (message, &tag_list);
	fail_unless_equals_int (gst_tag_list_get_tag_size (tag_list, GST_TAG_ARTIST),
	1);
	fail_unless (gst_tag_list_get_string (tag_list, GST_TAG_ARTIST, &artist));
	fail_unless_equals_string (artist, "me");
	g_free (artist);
	fail_unless_equals_int (gst_tag_list_get_tag_size (tag_list, "album"), 0);
	gst_tag_list_unref (tag_list);
	gst_message_unref (message);
	#endif

	/* make sure there's no error on the bus */
	message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR);
	fail_if (message != NULL);

	/* cleanup */
	gst_bus_set_flushing (bus, TRUE);
	gst_element_set_bus (vorbisdec, NULL);
	gst_object_unref (GST_OBJECT (bus));
	cleanup_vorbisdec (vorbisdec);
	}

	GST_END_TEST;

	static vorbis_comment vc;
	static vorbis_dsp_state vd;
	static vorbis_info vi;
	static vorbis_block vb;

	static GstBuffer *
	_create_codebook_header_buffer (void)
	{
	GstBuffer *buffer;
	ogg_packet header;
	ogg_packet header_comm;
	ogg_packet header_code;

	vorbis_info_init (&vi);
	vorbis_encode_setup_vbr (&vi, 1, 44000, 0.5);
	vorbis_encode_setup_init (&vi);
	vorbis_analysis_init (&vd, &vi);
	vorbis_block_init (&vd, &vb);
	vorbis_comment_init (&vc);
	vorbis_analysis_headerout (&vd, &vc, &header, &header_comm, &header_code);

	buffer = gst_buffer_new_and_alloc (header_code.bytes);
	gst_buffer_fill (buffer, 0, header_code.packet, header_code.bytes);

	return buffer;
	}

	static GstBuffer *
	_create_audio_buffer (void)
	{
	GstBuffer *buffer;
	ogg_packet packet;
	float **vorbis_buffer;
	gint i;

	vorbis_buffer = vorbis_analysis_buffer (&vd, 44100);
	for (i = 0; i < 44100 * 1; ++i)
	vorbis_buffer[0][i] = 0.0;
	vorbis_analysis_wrote (&vd, 44100);
	vorbis_analysis_blockout (&vd, &vb);
	vorbis_analysis (&vb, NULL);
	vorbis_bitrate_addblock (&vb);
	vorbis_bitrate_flushpacket (&vd, &packet);
	buffer = gst_buffer_new_and_alloc (packet.bytes);
	gst_buffer_fill (buffer, 0, packet.packet, packet.bytes);

	vorbis_comment_clear (&vc);
	vorbis_block_clear (&vb);
	vorbis_dsp_clear (&vd);
	vorbis_info_clear (&vi);

	return buffer;
	}

	GST_START_TEST (test_empty_vorbis_packet)
	{
	GstElement *vorbisdec;
	GstBuffer *inbuffer;
	GstMessage *message;
	GstBus *bus;

	vorbisdec = setup_vorbisdec ();
	fail_unless_equals_int (gst_element_set_state (vorbisdec, GST_STATE_PLAYING),
	GST_STATE_CHANGE_SUCCESS);

	bus = gst_bus_new ();

	inbuffer = gst_buffer_new_and_alloc (30);
	gst_buffer_fill (inbuffer, 0, identification_header, 30);
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_ref (inbuffer);

	gst_element_set_bus (vorbisdec, bus);

	/* pushing gives away my reference ... */
	fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
	/* ... and nothing ends up on the global buffer list */
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_unref (inbuffer);
	fail_unless (g_list_length (buffers) == 0);
	fail_if ((message = gst_bus_pop (bus)) != NULL);

	inbuffer = gst_buffer_new_and_alloc (sizeof (comment_header));
	gst_buffer_fill (inbuffer, 0, comment_header, sizeof (comment_header));
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_ref (inbuffer);

	/* pushing gives away my reference ... */
	fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
	/* ... and nothing ends up on the global buffer list */
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_unref (inbuffer);
	fail_unless (g_list_length (buffers) == 0);

	/* send minimal codebook header and audio packers */
	inbuffer = _create_codebook_header_buffer ();
	fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);

	/* now send an empty vorbis packet, which should just be skipped */
	inbuffer = gst_buffer_new_and_alloc (0);
	gst_buffer_ref (inbuffer);
	fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_unref (inbuffer);
	fail_unless (g_list_length (buffers) == 0);

	/* create and push an encoded audio packet */
	inbuffer = _create_audio_buffer ();
	fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);

	/* now send another empty vorbis packet, which should just be skipped */
	inbuffer = gst_buffer_new_and_alloc (0);
	gst_buffer_ref (inbuffer);
	fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);
	ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
	gst_buffer_unref (inbuffer);

	/* make sure there's no error on the bus */
	message = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
	fail_if (message != NULL);

	/* cleanup */
	gst_bus_set_flushing (bus, TRUE);
	gst_element_set_bus (vorbisdec, NULL);
	gst_object_unref (GST_OBJECT (bus));
	cleanup_vorbisdec (vorbisdec);
	}

	GST_END_TEST;

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

	suite_add_tcase (s, tc_chain);
	tcase_add_test (tc_chain, test_identification_header);
	tcase_add_test (tc_chain, test_empty_vorbis_packet);

	return s;
	}

	GST_CHECK_MAIN (vorbisdec);