gstreamer/tests/check/elements/rtpbin_buffer_list.c

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/* GStreamer
*
* Unit test for gstrtpbin sending rtp packets using GstBufferList.
* Copyright (C) 2009 Branko Subasic <branko dot subasic at axis dot 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>
#include <gst/rtp/gstrtpbuffer.h>
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#if 0
/* This test makes sure that RTP packets sent as buffer lists are sent through
* the rtpbin as they are supposed to, and not corrupted in any way.
*/
#define TEST_CAPS \
"application/x-rtp, " \
"media=(string)video, " \
"clock-rate=(int)90000, " \
"encoding-name=(string)H264, " \
"profile-level-id=(string)4d4015, " \
"payload=(int)96, " \
"ssrc=(guint)2633237432, " \
"clock-base=(guint)1868267015, " \
"seqnum-base=(guint)54229"
/* RTP headers and the first 2 bytes of the payload (FU indicator and FU header)
*/
static const guint8 rtp_header[2][14] = {
{0x80, 0x60, 0xbb, 0xb7, 0x5c, 0xe9, 0x09,
0x0d, 0xf5, 0x9c, 0x43, 0x55, 0x1c, 0x86},
{0x80, 0x60, 0xbb, 0xb8, 0x5c, 0xe9, 0x09,
0x0d, 0xf5, 0x9c, 0x43, 0x55, 0x1c, 0x46}
};
static const guint rtp_header_len[] = {
sizeof rtp_header[0],
sizeof rtp_header[1]
};
static GstBuffer *header_buffer[2] = { NULL, NULL };
/* Some payload.
*/
static const char *payload =
"0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
"0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
"0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
"0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
"0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
"0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
"0123456789ABSDEF0123456";
static const guint payload_offset[] = {
0, 498
};
static const guint payload_len[] = {
498, 5
};
static GstBuffer *original_buffer = NULL;
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"));
static GstBuffer *
_create_original_buffer (void)
{
GstCaps *caps;
if (original_buffer != NULL)
return original_buffer;
original_buffer = gst_buffer_new ();
fail_unless (original_buffer != NULL);
gst_buffer_set_data (original_buffer, (guint8 *) payload, strlen (payload));
GST_BUFFER_TIMESTAMP (original_buffer) =
gst_clock_get_internal_time (gst_system_clock_obtain ());
caps = gst_caps_from_string (TEST_CAPS);
fail_unless (caps != NULL);
gst_buffer_set_caps (original_buffer, caps);
gst_caps_unref (caps);
return original_buffer;
}
static GstBufferList *
_create_buffer_list (void)
{
GstBufferList *list;
GstBufferListIterator *it;
GstBuffer *orig_buffer;
GstBuffer *buffer;
orig_buffer = _create_original_buffer ();
fail_if (orig_buffer == NULL);
list = gst_buffer_list_new ();
fail_if (list == NULL);
it = gst_buffer_list_iterate (list);
fail_if (it == NULL);
/*** First group, i.e. first packet. **/
gst_buffer_list_iterator_add_group (it);
/* Create buffer with RTP header and add it to the 1st group */
buffer = gst_buffer_new ();
GST_BUFFER_MALLOCDATA (buffer) = g_memdup (&rtp_header[0], rtp_header_len[0]);
GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer);
GST_BUFFER_SIZE (buffer) = rtp_header_len[0];
gst_buffer_copy_metadata (buffer, orig_buffer, GST_BUFFER_COPY_ALL);
header_buffer[0] = buffer;
gst_buffer_list_iterator_add (it, buffer);
/* Create the payload buffer and add it to the 1st group
*/
buffer =
gst_buffer_create_sub (orig_buffer, payload_offset[0], payload_len[0]);
fail_if (buffer == NULL);
gst_buffer_list_iterator_add (it, buffer);
/*** Second group, i.e. second packet. ***/
/* Create a new group to hold the rtp header and the payload */
gst_buffer_list_iterator_add_group (it);
/* Create buffer with RTP header and add it to the 2nd group */
buffer = gst_buffer_new ();
GST_BUFFER_MALLOCDATA (buffer) = g_memdup (&rtp_header[1], rtp_header_len[1]);
GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer);
GST_BUFFER_SIZE (buffer) = rtp_header_len[1];
gst_buffer_copy_metadata (buffer, orig_buffer, GST_BUFFER_COPY_ALL);
header_buffer[1] = buffer;
/* Add the rtp header to the buffer list */
gst_buffer_list_iterator_add (it, buffer);
/* Create the payload buffer and add it to the 2d group
*/
buffer =
gst_buffer_create_sub (orig_buffer, payload_offset[1], payload_len[1]);
fail_if (buffer == NULL);
gst_buffer_list_iterator_add (it, buffer);
gst_buffer_list_iterator_free (it);
return list;
}
static void
_check_header (GstBuffer * buffer, guint index)
{
guint8 *data;
fail_if (buffer == NULL);
fail_unless (index < 2);
fail_unless (GST_BUFFER_SIZE (buffer) == rtp_header_len[index]);
/* Can't do a memcmp() on the whole header, cause the SSRC (bytes 8-11) will
* most likely be changed in gstrtpbin.
*/
fail_unless ((data = GST_BUFFER_DATA (buffer)) != NULL);
fail_unless_equals_uint64 (*(guint64 *) data, *(guint64 *) rtp_header[index]);
fail_unless (*(guint16 *) (data + 12) ==
*(guint16 *) (rtp_header[index] + 12));
}
static void
_check_payload (GstBuffer * buffer, guint index)
{
fail_if (buffer == NULL);
fail_unless (index < 2);
fail_unless (GST_BUFFER_SIZE (buffer) == payload_len[index]);
fail_if (GST_BUFFER_DATA (buffer) !=
(gpointer) (payload + payload_offset[index]));
fail_if (memcmp (GST_BUFFER_DATA (buffer), payload + payload_offset[index],
payload_len[index]));
}
static void
_check_group (GstBufferListIterator * it, guint index, GstCaps * caps)
{
GstBuffer *buffer;
fail_unless (it != NULL);
fail_unless (gst_buffer_list_iterator_n_buffers (it) == 2);
fail_unless (caps != NULL);
fail_unless ((buffer = gst_buffer_list_iterator_next (it)) != NULL);
fail_unless (GST_BUFFER_TIMESTAMP (buffer) ==
GST_BUFFER_TIMESTAMP (original_buffer));
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (original_buffer),
GST_BUFFER_CAPS (buffer)));
_check_header (buffer, index);
fail_unless ((buffer = gst_buffer_list_iterator_next (it)) != NULL);
_check_payload (buffer, index);
}
static GstFlowReturn
_sink_chain_list (GstPad * pad, GstBufferList * list)
{
GstCaps *caps;
GstBufferListIterator *it;
caps = gst_caps_from_string (TEST_CAPS);
fail_unless (caps != NULL);
fail_unless (GST_IS_BUFFER_LIST (list));
fail_unless (gst_buffer_list_n_groups (list) == 2);
it = gst_buffer_list_iterate (list);
fail_if (it == NULL);
fail_unless (gst_buffer_list_iterator_next_group (it));
_check_group (it, 0, caps);
fail_unless (gst_buffer_list_iterator_next_group (it));
_check_group (it, 1, caps);
gst_caps_unref (caps);
gst_buffer_list_iterator_free (it);
gst_buffer_list_unref (list);
return GST_FLOW_OK;
}
static void
_set_chain_functions (GstPad * pad)
{
gst_pad_set_chain_list_function (pad, _sink_chain_list);
}
GST_START_TEST (test_bufferlist)
{
GstElement *rtpbin;
GstPad *sinkpad;
GstPad *srcpad;
GstBufferList *list;
list = _create_buffer_list ();
fail_unless (list != NULL);
rtpbin = gst_check_setup_element ("gstrtpbin");
srcpad =
gst_check_setup_src_pad_by_name (rtpbin, &srctemplate, "send_rtp_sink_0");
fail_if (srcpad == NULL);
sinkpad =
gst_check_setup_sink_pad_by_name (rtpbin, &sinktemplate,
"send_rtp_src_0");
fail_if (sinkpad == NULL);
_set_chain_functions (sinkpad);
gst_pad_set_active (sinkpad, TRUE);
gst_element_set_state (rtpbin, GST_STATE_PLAYING);
fail_unless (gst_pad_push_list (srcpad, list) == GST_FLOW_OK);
gst_pad_set_active (sinkpad, FALSE);
gst_check_teardown_pad_by_name (rtpbin, "send_rtp_src_0");
gst_check_teardown_pad_by_name (rtpbin, "send_rtp_sink_0");
gst_check_teardown_element (rtpbin);
}
GST_END_TEST;
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#endif
static Suite *
bufferlist_suite (void)
{
Suite *s = suite_create ("BufferList");
TCase *tc_chain = tcase_create ("general");
/* time out after 30s. */
tcase_set_timeout (tc_chain, 10);
suite_add_tcase (s, tc_chain);
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#if 0
tcase_add_test (tc_chain, test_bufferlist);
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#endif
return s;
}
GST_CHECK_MAIN (bufferlist);