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rtpsession: Add tests for PLI and FIR

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https://bugzilla.gnome.org/show_bug.cgi?id=795139
This commit is contained in:
Havard Graff 2018-05-15 11:50:30 +01:00 committed by Tim-Philipp Müller
parent 4d54673cb4
commit 77f3ce2e45
1 changed files with 172 additions and 0 deletions
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172
tests/check/elements/rtpsession.c
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@ -207,6 +207,30 @@ session_harness_produce_rtcp (SessionHarness * h, gint num_rtcp_packets)
session_harness_crank_clock (h);
}
static void
session_harness_force_key_unit (SessionHarness * h,
guint count, guint ssrc, guint payload, gint * reqid, guint64 * sfr)
{
GstClockTime running_time = GST_CLOCK_TIME_NONE;
gboolean all_headers = TRUE;
GstStructure *s = gst_structure_new ("GstForceKeyUnit",
"running-time", GST_TYPE_CLOCK_TIME, running_time,
"all-headers", G_TYPE_BOOLEAN, all_headers,
"count", G_TYPE_UINT, count,
"ssrc", G_TYPE_UINT, ssrc,
"payload", G_TYPE_UINT, payload,
NULL);
if (reqid)
gst_structure_set (s, "reqid", G_TYPE_INT, *reqid, NULL);
if (sfr)
gst_structure_set (s, "sfr", G_TYPE_UINT64, *sfr, NULL);
gst_harness_push_upstream_event (h->recv_rtp_h,
gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM, s));
}
GST_START_TEST (test_multiple_ssrc_rr)
{
SessionHarness *h = session_harness_new ();
@ -931,6 +955,152 @@ GST_START_TEST (test_ssrc_collision_when_sending)
GST_END_TEST;
GST_START_TEST (test_request_fir)
{
SessionHarness *h = session_harness_new ();
GstBuffer *buf;
GstRTCPBuffer rtcp = GST_RTCP_BUFFER_INIT;
GstRTCPPacket rtcp_packet;
guint8 *fci_data;
/* add FIR-capabilites to our caps */
gst_caps_set_simple (h->caps, "rtcp-fb-ccm-fir", G_TYPE_BOOLEAN, TRUE, NULL);
/* clear pt-map to removed the cached caps without fir */
g_signal_emit_by_name (h->session, "clear-pt-map");
g_object_set (h->internal_session, "internal-ssrc", 0xDEADBEEF, NULL);
/* Receive a RTP buffer from the wire from 2 different ssrcs */
fail_unless_equals_int (GST_FLOW_OK,
session_harness_recv_rtp (h, generate_test_buffer (0, 0x12345678)));
fail_unless_equals_int (GST_FLOW_OK,
session_harness_recv_rtp (h, generate_test_buffer (0, 0x87654321)));
/* fix to make the test deterministic: We need to wait for the RTCP-thread
to have settled to ensure the key-unit will considered once released */
gst_test_clock_wait_for_next_pending_id (h->testclock, NULL);
/* request FIR for both SSRCs */
session_harness_force_key_unit (h, 0, 0x12345678, TEST_BUF_PT, NULL, NULL);
session_harness_force_key_unit (h, 0, 0x87654321, TEST_BUF_PT, NULL, NULL);
session_harness_produce_rtcp (h, 1);
buf = session_harness_pull_rtcp (h);
fail_unless (gst_rtcp_buffer_validate (buf));
gst_rtcp_buffer_map (buf, GST_MAP_READ, &rtcp);
fail_unless_equals_int (3, gst_rtcp_buffer_get_packet_count (&rtcp));
fail_unless (gst_rtcp_buffer_get_first_packet (&rtcp, &rtcp_packet));
/* first a Receiver Report */
fail_unless_equals_int (GST_RTCP_TYPE_RR,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless (gst_rtcp_packet_move_to_next (&rtcp_packet));
/* then a SDES */
fail_unless_equals_int (GST_RTCP_TYPE_SDES,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless (gst_rtcp_packet_move_to_next (&rtcp_packet));
/* and then our FIR */
fail_unless_equals_int (GST_RTCP_TYPE_PSFB,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless_equals_int (GST_RTCP_PSFB_TYPE_FIR,
gst_rtcp_packet_fb_get_type (&rtcp_packet));
/* FIR has sender-ssrc as normal, but media-ssrc set to 0, because
it can have multiple media-ssrcs in its fci-data */
fail_unless_equals_int (0xDEADBEEF,
gst_rtcp_packet_fb_get_sender_ssrc (&rtcp_packet));
fail_unless_equals_int (0, gst_rtcp_packet_fb_get_media_ssrc (&rtcp_packet));
fci_data = gst_rtcp_packet_fb_get_fci (&rtcp_packet);
fail_unless_equals_int (16,
gst_rtcp_packet_fb_get_fci_length (&rtcp_packet) * sizeof (guint32));
/* verify the FIR contains both SSRCs */
fail_unless_equals_int (0x87654321, GST_READ_UINT32_BE (fci_data));
fail_unless_equals_int (1, fci_data[4]);
fail_unless_equals_int (0, fci_data[5]);
fail_unless_equals_int (0, fci_data[6]);
fail_unless_equals_int (0, fci_data[7]);
fci_data += 8;
fail_unless_equals_int (0x12345678, GST_READ_UINT32_BE (fci_data));
fail_unless_equals_int (1, fci_data[4]);
fail_unless_equals_int (0, fci_data[5]);
fail_unless_equals_int (0, fci_data[6]);
fail_unless_equals_int (0, fci_data[7]);
gst_rtcp_buffer_unmap (&rtcp);
gst_buffer_unref (buf);
session_harness_free (h);
}
GST_END_TEST;
GST_START_TEST (test_request_pli)
{
SessionHarness *h = session_harness_new ();
GstBuffer *buf;
GstRTCPBuffer rtcp = GST_RTCP_BUFFER_INIT;
GstRTCPPacket rtcp_packet;
/* add PLI-capabilites to our caps */
gst_caps_set_simple (h->caps, "rtcp-fb-nack-pli", G_TYPE_BOOLEAN, TRUE, NULL);
/* clear pt-map to removed the cached caps without PLI */
g_signal_emit_by_name (h->session, "clear-pt-map");
g_object_set (h->internal_session, "internal-ssrc", 0xDEADBEEF, NULL);
/* Receive a RTP buffer from the wire */
fail_unless_equals_int (GST_FLOW_OK,
session_harness_recv_rtp (h, generate_test_buffer (0, 0x12345678)));
/* fix to make the test deterministic: We need to wait for the RTCP-thread
to have settled to ensure the key-unit will considered once released */
gst_test_clock_wait_for_next_pending_id (h->testclock, NULL);
/* request PLI */
session_harness_force_key_unit (h, 0, 0x12345678, TEST_BUF_PT, NULL, NULL);
session_harness_produce_rtcp (h, 1);
buf = session_harness_pull_rtcp (h);
fail_unless (gst_rtcp_buffer_validate (buf));
gst_rtcp_buffer_map (buf, GST_MAP_READ, &rtcp);
fail_unless_equals_int (3, gst_rtcp_buffer_get_packet_count (&rtcp));
fail_unless (gst_rtcp_buffer_get_first_packet (&rtcp, &rtcp_packet));
/* first a Receiver Report */
fail_unless_equals_int (GST_RTCP_TYPE_RR,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless (gst_rtcp_packet_move_to_next (&rtcp_packet));
/* then a SDES */
fail_unless_equals_int (GST_RTCP_TYPE_SDES,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless (gst_rtcp_packet_move_to_next (&rtcp_packet));
/* and then our PLI */
fail_unless_equals_int (GST_RTCP_TYPE_PSFB,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless_equals_int (GST_RTCP_PSFB_TYPE_PLI,
gst_rtcp_packet_fb_get_type (&rtcp_packet));
fail_unless_equals_int (0xDEADBEEF,
gst_rtcp_packet_fb_get_sender_ssrc (&rtcp_packet));
fail_unless_equals_int (0x12345678,
gst_rtcp_packet_fb_get_media_ssrc (&rtcp_packet));
fail_unless_equals_int (0, gst_rtcp_packet_fb_get_fci_length (&rtcp_packet));
gst_rtcp_buffer_unmap (&rtcp);
gst_buffer_unref (buf);
session_harness_free (h);
}
GST_END_TEST;
GST_START_TEST (test_illegal_rtcp_fb_packet)
{
SessionHarness *h = session_harness_new ();
@ -1050,6 +1220,8 @@ rtpsession_suite (void)
tcase_add_test (tc_chain, test_dont_lock_on_stats);
tcase_add_test (tc_chain, test_ignore_suspicious_bye);
tcase_add_test (tc_chain, test_ssrc_collision_when_sending);
tcase_add_test (tc_chain, test_request_fir);
tcase_add_test (tc_chain, test_request_pli);
tcase_add_test (tc_chain, test_illegal_rtcp_fb_packet);
tcase_add_test (tc_chain, test_feedback_rtcp_race);
tcase_add_test (tc_chain, test_receive_regular_pli);