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tests: add test for packet delay and retransmission

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This commit is contained in:
Wim Taymans 2013-09-20 12:29:39 +02:00
parent 3c421e7e48
commit a71014518c
1 changed files with 38 additions and 0 deletions
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38
tests/check/elements/rtpjitterbuffer.c
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@ -1126,6 +1126,43 @@ GST_START_TEST (test_rtx_two_missing)
GST_END_TEST;
GST_START_TEST (test_rtx_packet_delay)
{
TestData data;
GstBuffer *in_buf;
gint jb_latency_ms = 200;
setup_testharness (&data);
g_object_set (data.jitter_buffer, "do-retransmission", TRUE, NULL);
g_object_set (data.jitter_buffer, "latency", jb_latency_ms, NULL);
g_object_set (data.jitter_buffer, "rtx-retry-period", 120, NULL);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 0);
/* push the first buffer in */
in_buf = generate_test_buffer (0 * GST_MSECOND, TRUE, 0, 0);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 20 * GST_MSECOND);
/* put second buffer, the jitterbuffer should now know that the packet spacing
* is 20ms and should ask for retransmission of seqnum 2 at 60ms */
in_buf = generate_test_buffer (20 * GST_MSECOND, TRUE, 1, 160);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* push buffer 8, 2 -> 7 are missing now. note that the rtp time is the same
* as packet 1 because it was part of a fragmented payload. This means that
* the estimate for 2 could be refined now. also packet 2, 3 and 4 are
* exceeding the max allowed reorder distance and should request a
* retransmission right away */
in_buf = generate_test_buffer (20 * GST_MSECOND, TRUE, 8, 8 * 160);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
destroy_testharness (&data);
}
GST_END_TEST;
static Suite *
rtpjitterbuffer_suite (void)
{
@ -1143,6 +1180,7 @@ rtpjitterbuffer_suite (void)
tcase_add_test (tc_chain, test_all_packets_are_timestamped_zero);
tcase_add_test (tc_chain, test_rtx_expected_next);
tcase_add_test (tc_chain, test_rtx_two_missing);
tcase_add_test (tc_chain, test_rtx_packet_delay);
return s;
}