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test: rtpsession: Verify on-sending-nacks callback

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This commit is contained in:
Nicolas Dufresne 2019-04-07 12:00:49 -04:00
parent ec06268ed8
commit a8ea9f0d05
1 changed files with 134 additions and 3 deletions
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137
tests/check/elements/rtpsession.c
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@ -1480,7 +1480,7 @@ session_harness_block_rtcp (SessionHarness * h, BlockingProbeData * probe)
}
static void
session_hardness_unblock_rtcp (SessionHarness * h, BlockingProbeData * probe)
session_harness_unblock_rtcp (SessionHarness * h, BlockingProbeData * probe)
{
gst_pad_remove_probe (probe->pad, probe->id);
gst_object_unref (probe->pad);
@ -1524,7 +1524,7 @@ GST_START_TEST (test_request_nack_surplus)
0, 2000, 0);
/* Unblock and wait for the regular and first early packet */
session_hardness_unblock_rtcp (h, &probe);
session_harness_unblock_rtcp (h, &probe);
session_harness_produce_rtcp (h, 2);
/* Move time forward, so that only the remaining 50 are still up to date */
@ -1643,7 +1643,7 @@ GST_START_TEST (test_request_nack_packing)
session_harness_rtp_retransmission_request (h, 0x12345678, 1234, 0, 0, 0);
/* Unblock and wait for the regular and first early packet */
session_hardness_unblock_rtcp (h, &probe);
session_harness_unblock_rtcp (h, &probe);
session_harness_produce_rtcp (h, 2);
/* ignore the regular RTCP packet */
@ -1731,6 +1731,136 @@ GST_START_TEST (test_disable_sr_timestamp)
GST_END_TEST;
static guint
on_sending_nacks (GObject * internal_session, guint sender_ssrc,
guint media_ssrc, GArray * nacks, GstBuffer * buffer)
{
GstRTCPBuffer rtcp = GST_RTCP_BUFFER_INIT;
GstRTCPPacket packet;
guint16 seqnum = g_array_index (nacks, guint16, 0);
guint8 *data;
if (seqnum == 1235)
return 0;
fail_unless (gst_rtcp_buffer_map (buffer, GST_MAP_READWRITE, &rtcp));
fail_unless (gst_rtcp_buffer_add_packet (&rtcp, GST_RTCP_TYPE_APP, &packet));
gst_rtcp_packet_app_set_ssrc (&packet, media_ssrc);
gst_rtcp_packet_app_set_name (&packet, "TEST");
fail_unless (gst_rtcp_packet_app_set_data_length (&packet, 1));
data = gst_rtcp_packet_app_get_data (&packet);
GST_WRITE_UINT32_BE (data, seqnum);
gst_rtcp_buffer_unmap (&rtcp);
return 1;
}
GST_START_TEST (test_on_sending_nacks)
{
SessionHarness *h = session_harness_new ();
BlockingProbeData probe;
GstBuffer *buf;
GstRTCPBuffer rtcp = GST_RTCP_BUFFER_INIT;
GstRTCPPacket rtcp_packet;
guint8 *data;
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)));
/* Block on first regular RTCP so we can fill the nack list */
session_harness_block_rtcp (h, &probe);
g_signal_connect (h->internal_session, "on-sending-nacks",
G_CALLBACK (on_sending_nacks), NULL);
/* request NACK immediately */
session_harness_rtp_retransmission_request (h, 0x12345678, 1234, 0, 0, 0);
session_harness_rtp_retransmission_request (h, 0x12345678, 1235, 0, 0, 0);
session_harness_unblock_rtcp (h, &probe);
gst_buffer_unref (session_harness_pull_rtcp (h));
session_harness_produce_rtcp (h, 2);
/* first packet only includes seqnum 1234 in an APP FB */
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 NACK */
fail_unless_equals_int (GST_RTCP_TYPE_APP,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless_equals_string ("TEST",
gst_rtcp_packet_app_get_name (&rtcp_packet));
fail_unless_equals_int (0x12345678,
gst_rtcp_packet_app_get_ssrc (&rtcp_packet));
fail_unless_equals_int (1,
gst_rtcp_packet_app_get_data_length (&rtcp_packet));
data = gst_rtcp_packet_app_get_data (&rtcp_packet);
fail_unless_equals_int (GST_READ_UINT32_BE (data), 1234L);
gst_rtcp_buffer_unmap (&rtcp);
gst_buffer_unref (buf);
/* second will contain seqnum 1235 in a generic nack packet */
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 NACK */
fail_unless_equals_int (GST_RTCP_TYPE_RTPFB,
gst_rtcp_packet_get_type (&rtcp_packet));
fail_unless_equals_int (GST_RTCP_RTPFB_TYPE_NACK,
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 (1, gst_rtcp_packet_fb_get_fci_length (&rtcp_packet));
data = gst_rtcp_packet_fb_get_fci (&rtcp_packet);
fail_unless_equals_int (GST_READ_UINT32_BE (data), 1235L << 16);
gst_rtcp_buffer_unmap (&rtcp);
gst_buffer_unref (buf);
session_harness_free (h);
}
GST_END_TEST;
static Suite *
rtpsession_suite (void)
{
@ -1759,6 +1889,7 @@ rtpsession_suite (void)
tcase_add_test (tc_chain, test_send_rtcp_when_signalled);
tcase_add_test (tc_chain, test_change_sent_sdes);
tcase_add_test (tc_chain, test_disable_sr_timestamp);
tcase_add_test (tc_chain, test_on_sending_nacks);
return s;
}