gstreamer/subprojects/gst-plugins-good/tests/check/elements/rtpfunnel.c

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/* GStreamer
*
* unit test for rtpfunnel
*
* Copyright (C) <2017> Pexip.
* Contact: Havard Graff <havard@pexip.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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstcheck.h>
#include <gst/check/gstharness.h>
#include <gst/rtp/gstrtpbuffer.h>
GST_START_TEST (rtpfunnel_ssrc_demuxing)
{
GstHarness *h = gst_harness_new_with_padnames ("rtpfunnel", NULL, "src");
GstHarness *h0 = gst_harness_new_with_element (h->element, "sink_0", NULL);
GstHarness *h1 = gst_harness_new_with_element (h->element, "sink_1", NULL);
gst_harness_set_src_caps_str (h0, "application/x-rtp, ssrc=(uint)123");
gst_harness_set_src_caps_str (h1, "application/x-rtp, ssrc=(uint)321");
/* unref latency events */
gst_event_unref (gst_harness_pull_upstream_event (h0));
gst_event_unref (gst_harness_pull_upstream_event (h1));
fail_unless_equals_int (1, gst_harness_upstream_events_received (h0));
fail_unless_equals_int (1, gst_harness_upstream_events_received (h1));
/* send to pad 0 */
gst_harness_push_upstream_event (h,
gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
gst_structure_new ("GstForceKeyUnit",
"ssrc", G_TYPE_UINT, 123, NULL)));
fail_unless_equals_int (2, gst_harness_upstream_events_received (h0));
fail_unless_equals_int (1, gst_harness_upstream_events_received (h1));
/* send to pad 1 */
gst_harness_push_upstream_event (h,
gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
gst_structure_new ("GstForceKeyUnit",
"ssrc", G_TYPE_UINT, 321, NULL)));
fail_unless_equals_int (2, gst_harness_upstream_events_received (h0));
fail_unless_equals_int (2, gst_harness_upstream_events_received (h1));
/* unknown ssrc, we drop it */
gst_harness_push_upstream_event (h,
gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
gst_structure_new ("GstForceKeyUnit",
"ssrc", G_TYPE_UINT, 666, NULL)));
fail_unless_equals_int (2, gst_harness_upstream_events_received (h0));
fail_unless_equals_int (2, gst_harness_upstream_events_received (h1));
/* no ssrc, we send to all */
gst_harness_push_upstream_event (h,
gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
gst_structure_new_empty ("GstForceKeyUnit")));
fail_unless_equals_int (3, gst_harness_upstream_events_received (h0));
fail_unless_equals_int (3, gst_harness_upstream_events_received (h1));
/* remove pad 0, and send an event referencing the now dead ssrc */
gst_harness_teardown (h0);
gst_harness_push_upstream_event (h,
gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
gst_structure_new ("GstForceKeyUnit",
"ssrc", G_TYPE_UINT, 123, NULL)));
fail_unless_equals_int (3, gst_harness_upstream_events_received (h1));
gst_harness_teardown (h);
gst_harness_teardown (h1);
}
GST_END_TEST;
GST_START_TEST (rtpfunnel_ssrc_downstream_not_leaking_through)
{
GstHarness *h = gst_harness_new_with_padnames ("rtpfunnel",
"sink_0", "src");
GstCaps *caps;
const GstStructure *s;
gst_harness_set_sink_caps_str (h, "application/x-rtp, ssrc=(uint)123");
caps = gst_pad_peer_query_caps (h->srcpad, NULL);
s = gst_caps_get_structure (caps, 0);
fail_unless (!gst_structure_has_field (s, "ssrc"));
gst_caps_unref (caps);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpfunnel_common_ts_offset)
{
GstHarness *h = gst_harness_new_with_padnames ("rtpfunnel",
"sink_0", "src");
GstCaps *caps;
const GstStructure *s;
const guint expected_ts_offset = 12345;
guint ts_offset;
g_object_set (h->element, "common-ts-offset", expected_ts_offset, NULL);
caps = gst_pad_peer_query_caps (h->srcpad, NULL);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_get_uint (s, "timestamp-offset", &ts_offset));
fail_unless_equals_int (expected_ts_offset, ts_offset);
gst_caps_unref (caps);
gst_harness_teardown (h);
}
GST_END_TEST;
static GstBuffer *
generate_test_buffer (guint seqnum, guint ssrc, guint8 twcc_ext_id)
{
GstBuffer *buf;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
buf = gst_rtp_buffer_new_allocate (0, 0, 0);
GST_BUFFER_PTS (buf) = seqnum * 20 * GST_MSECOND;
GST_BUFFER_DTS (buf) = GST_BUFFER_PTS (buf);
gst_rtp_buffer_map (buf, GST_MAP_READWRITE, &rtp);
gst_rtp_buffer_set_payload_type (&rtp, 100);
gst_rtp_buffer_set_seq (&rtp, seqnum);
gst_rtp_buffer_set_timestamp (&rtp, seqnum * 160);
gst_rtp_buffer_set_ssrc (&rtp, ssrc);
if (twcc_ext_id > 0) {
guint16 data;
GST_WRITE_UINT16_BE (&data, seqnum);
gst_rtp_buffer_add_extension_onebyte_header (&rtp, twcc_ext_id,
&data, sizeof (guint16));
}
gst_rtp_buffer_unmap (&rtp);
return buf;
}
GST_START_TEST (rtpfunnel_custom_sticky)
{
GstHarness *h, *h0, *h1;
GstEvent *event;
const GstStructure *s;
const gchar *value = NULL;
h = gst_harness_new_with_padnames ("rtpfunnel", NULL, "src");
/* request a sinkpad, with some caps */
h0 = gst_harness_new_with_element (h->element, "sink_0", NULL);
gst_harness_set_src_caps_str (h0, "application/x-rtp, " "ssrc=(uint)123");
/* request a second sinkpad, also with caps */
h1 = gst_harness_new_with_element (h->element, "sink_1", NULL);
gst_harness_set_src_caps_str (h1, "application/x-rtp, " "ssrc=(uint)456");
while ((event = gst_harness_try_pull_event (h)))
gst_event_unref (event);
fail_unless (gst_harness_push_event (h0,
gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_STICKY,
gst_structure_new ("test", "key", G_TYPE_STRING, "value0",
NULL))));
fail_unless (gst_harness_push_event (h1,
gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_STICKY,
gst_structure_new ("test", "key", G_TYPE_STRING, "value1",
NULL))));
/* Send a buffer through first pad, expect the event to be the first one */
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h0, generate_test_buffer (500, 123, 0)));
for (;;) {
event = gst_harness_pull_event (h);
if (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_DOWNSTREAM_STICKY)
break;
gst_event_unref (event);
}
s = gst_event_get_structure (event);
fail_unless (s);
fail_unless (gst_structure_has_name (s, "test"));
value = gst_structure_get_string (s, "key");
fail_unless_equals_string (value, "value0");
gst_event_unref (event);
gst_buffer_unref (gst_harness_pull (h));
/* Send a buffer through second pad, expect the event to be the second one
*/
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h1, generate_test_buffer (500, 123, 0)));
for (;;) {
event = gst_harness_pull_event (h);
if (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_DOWNSTREAM_STICKY)
break;
gst_event_unref (event);
}
s = gst_event_get_structure (event);
fail_unless (s);
fail_unless (gst_structure_has_name (s, "test"));
value = gst_structure_get_string (s, "key");
fail_unless_equals_string (value, "value1");
gst_event_unref (event);
gst_buffer_unref (gst_harness_pull (h));
/* Send a buffer through first pad, expect the event to again be the first
* one
*/
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h0, generate_test_buffer (500, 123, 5)));
for (;;) {
event = gst_harness_pull_event (h);
if (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_DOWNSTREAM_STICKY)
break;
gst_event_unref (event);
}
s = gst_event_get_structure (event);
fail_unless (s);
fail_unless (gst_structure_has_name (s, "test"));
value = gst_structure_get_string (s, "key");
fail_unless_equals_string (value, "value0");
gst_event_unref (event);
gst_buffer_unref (gst_harness_pull (h));
gst_harness_teardown (h);
gst_harness_teardown (h0);
gst_harness_teardown (h1);
}
GST_END_TEST;
GST_START_TEST (rtpfunnel_stress)
{
GstHarness *h = gst_harness_new_with_padnames ("rtpfunnel",
"sink_0", "src");
GstHarness *h1 = gst_harness_new_with_element (h->element, "sink_1", NULL);
GstPadTemplate *templ =
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (h->element),
"sink_%u");
GstCaps *caps = gst_caps_from_string ("application/x-rtp, ssrc=(uint)123");
GstBuffer *buf = gst_buffer_new_allocate (NULL, 0, NULL);
GstSegment segment;
GstHarnessThread *statechange, *push, *req, *push1;
gst_check_add_log_filter ("GStreamer", G_LOG_LEVEL_WARNING,
g_regex_new ("Got data flow before (stream-start|segment) event",
(GRegexCompileFlags) 0, (GRegexMatchFlags) 0, NULL),
NULL, NULL, NULL);
gst_check_add_log_filter ("GStreamer", G_LOG_LEVEL_WARNING,
g_regex_new ("Sticky event misordering",
(GRegexCompileFlags) 0, (GRegexMatchFlags) 0, NULL),
NULL, NULL, NULL);
gst_segment_init (&segment, GST_FORMAT_TIME);
statechange = gst_harness_stress_statechange_start (h);
push = gst_harness_stress_push_buffer_start (h, caps, &segment, buf);
req = gst_harness_stress_requestpad_start (h, templ, NULL, NULL, TRUE);
push1 = gst_harness_stress_push_buffer_start (h1, caps, &segment, buf);
gst_caps_unref (caps);
gst_buffer_unref (buf);
/* test-length */
g_usleep (G_USEC_PER_SEC * 1);
gst_harness_stress_thread_stop (push1);
gst_harness_stress_thread_stop (req);
gst_harness_stress_thread_stop (push);
gst_harness_stress_thread_stop (statechange);
gst_harness_teardown (h1);
gst_harness_teardown (h);
gst_check_clear_log_filter ();
}
GST_END_TEST;
#define TWCC_EXTMAP_STR "http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01"
#define BOGUS_EXTMAP_STR "http://www.ietf.org/id/bogus"
GST_START_TEST (rtpfunnel_twcc_caps)
{
GstHarness *h, *h0, *h1;
GstCaps *caps, *expected_caps;
h = gst_harness_new_with_padnames ("rtpfunnel", NULL, "src");
/* request a sinkpad, set caps with twcc extmap */
h0 = gst_harness_new_with_element (h->element, "sink_0", NULL);
gst_harness_set_src_caps_str (h0, "application/x-rtp, "
"ssrc=(uint)123, extmap-5=" TWCC_EXTMAP_STR "");
/* request a second sinkpad, the extmap should not be
present in the caps when doing a caps-query downstream,
as we don't want to force upstream (typically a payloader)
to use the extension */
h1 = gst_harness_new_with_element (h->element, "sink_1", NULL);
caps = gst_pad_query_caps (GST_PAD_PEER (h1->srcpad), NULL);
expected_caps = gst_caps_new_empty_simple ("application/x-rtp");
fail_unless (gst_caps_is_equal (expected_caps, caps));
gst_caps_unref (caps);
gst_caps_unref (expected_caps);
/* now try and set a different extmap for the same id on the other
* sinkpad, and verify this does not work */
gst_harness_set_src_caps_str (h1, "application/x-rtp, "
"ssrc=(uint)456, extmap-5=" BOGUS_EXTMAP_STR "");
caps = gst_pad_get_current_caps (GST_PAD_PEER (h1->srcpad));
fail_unless (caps == NULL);
/* ...but setting the right extmap (5) will work just fine */
expected_caps = gst_caps_from_string ("application/x-rtp, "
"ssrc=(uint)456, extmap-5=" TWCC_EXTMAP_STR "");
gst_harness_set_src_caps (h1, gst_caps_ref (expected_caps));
caps = gst_pad_get_current_caps (GST_PAD_PEER (h1->srcpad));
fail_unless (gst_caps_is_equal (expected_caps, caps));
gst_caps_unref (caps);
gst_caps_unref (expected_caps);
gst_harness_teardown (h);
gst_harness_teardown (h0);
gst_harness_teardown (h1);
}
GST_END_TEST;
static gint32
get_twcc_seqnum (GstBuffer * buf, guint8 ext_id)
{
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
gint32 val = -1;
gpointer data;
gst_rtp_buffer_map (buf, GST_MAP_READ, &rtp);
if (gst_rtp_buffer_get_extension_onebyte_header (&rtp, ext_id,
0, &data, NULL)) {
val = GST_READ_UINT16_BE (data);
}
gst_rtp_buffer_unmap (&rtp);
return val;
}
static guint32
get_ssrc (GstBuffer * buf)
{
guint32 ssrc;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
gst_rtp_buffer_map (buf, GST_MAP_READ, &rtp);
ssrc = gst_rtp_buffer_get_ssrc (&rtp);
gst_rtp_buffer_unmap (&rtp);
return ssrc;
}
GST_START_TEST (rtpfunnel_twcc_passthrough)
{
GstHarness *h, *h0;
GstBuffer *buf;
guint16 offset = 65530;
guint packets = 40;
guint i;
h = gst_harness_new_with_padnames ("rtpfunnel", NULL, "src");
h0 = gst_harness_new_with_element (h->element, "sink_0", NULL);
gst_harness_set_src_caps_str (h0, "application/x-rtp, "
"ssrc=(uint)123, extmap-5=" TWCC_EXTMAP_STR "");
/* push some packets with twcc seqnum */
for (i = 0; i < packets; i++) {
guint16 seqnum = i + offset;
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h0, generate_test_buffer (seqnum, 123, 5)));
}
/* and verify the seqnums stays unchanged through the funnel */
for (i = 0; i < packets; i++) {
guint16 seqnum = i + offset;
buf = gst_harness_pull (h);
fail_unless_equals_int (seqnum, get_twcc_seqnum (buf, 5));
gst_buffer_unref (buf);
}
gst_harness_teardown (h);
gst_harness_teardown (h0);
}
GST_END_TEST;
GST_START_TEST (rtpfunnel_twcc_mux)
{
GstHarness *h, *h0, *h1;
GstBuffer *buf;
h = gst_harness_new_with_padnames ("rtpfunnel", NULL, "src");
h0 = gst_harness_new_with_element (h->element, "sink_0", NULL);
h1 = gst_harness_new_with_element (h->element, "sink_1", NULL);
gst_harness_set_src_caps_str (h0, "application/x-rtp, "
"ssrc=(uint)123, extmap-5=" TWCC_EXTMAP_STR "");
gst_harness_set_src_caps_str (h1, "application/x-rtp, "
"ssrc=(uint)456, extmap-5=" TWCC_EXTMAP_STR "");
/* push buffers on both pads with different twcc-seqnums on them (500 and 60000) */
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h0, generate_test_buffer (500, 123, 5)));
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h1, generate_test_buffer (60000, 321, 5)));
/* verify they are muxed continuously (0 -> 1) */
buf = gst_harness_pull (h);
fail_unless_equals_int (123, get_ssrc (buf));
fail_unless_equals_int (0, get_twcc_seqnum (buf, 5));
gst_buffer_unref (buf);
buf = gst_harness_pull (h);
fail_unless_equals_int (321, get_ssrc (buf));
fail_unless_equals_int (1, get_twcc_seqnum (buf, 5));
gst_buffer_unref (buf);
gst_harness_teardown (h);
gst_harness_teardown (h0);
gst_harness_teardown (h1);
}
GST_END_TEST;
GST_START_TEST (rtpfunnel_twcc_passthrough_then_mux)
{
GstHarness *h, *h0, *h1;
GstBuffer *buf;
guint offset0 = 500;
guint offset1 = 45678;
guint i;
h = gst_harness_new_with_padnames ("rtpfunnel", NULL, "src");
h0 = gst_harness_new_with_element (h->element, "sink_0", NULL);
gst_harness_set_src_caps_str (h0, "application/x-rtp, "
"ssrc=(uint)123, extmap-5=" TWCC_EXTMAP_STR "");
/* push one packet with twcc seqnum 100 on pad0 */
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h0, generate_test_buffer (offset0, 123, 5)));
/* add pad1 to the funnel, also with twcc */
h1 = gst_harness_new_with_element (h->element, "sink_1", NULL);
gst_harness_set_src_caps_str (h1, "application/x-rtp, "
"ssrc=(uint)456, extmap-5=" TWCC_EXTMAP_STR "");
/* push one buffer on both pads, with pad1 starting at a different
offset */
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h0, generate_test_buffer (offset0 + 1, 123, 5)));
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h1, generate_test_buffer (offset1, 321, 5)));
/* and verify the seqnums are continuous for all 3 packets, using
the inital offset from pad0 */
for (i = 0; i < 3; i++) {
guint16 seqnum = i + offset0;
buf = gst_harness_pull (h);
fail_unless_equals_int (seqnum, get_twcc_seqnum (buf, 5));
gst_buffer_unref (buf);
}
gst_harness_teardown (h);
gst_harness_teardown (h0);
gst_harness_teardown (h1);
}
GST_END_TEST;
static Suite *
rtpfunnel_suite (void)
{
Suite *s = suite_create ("rtpfunnel");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, rtpfunnel_ssrc_demuxing);
tcase_add_test (tc_chain, rtpfunnel_ssrc_downstream_not_leaking_through);
tcase_add_test (tc_chain, rtpfunnel_common_ts_offset);
tcase_add_test (tc_chain, rtpfunnel_custom_sticky);
tcase_add_test (tc_chain, rtpfunnel_stress);
tcase_add_test (tc_chain, rtpfunnel_twcc_caps);
tcase_add_test (tc_chain, rtpfunnel_twcc_passthrough);
tcase_add_test (tc_chain, rtpfunnel_twcc_mux);
tcase_add_test (tc_chain, rtpfunnel_twcc_passthrough_then_mux);
return s;
}
GST_CHECK_MAIN (rtpfunnel)