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rtpjitterbuffer: Add unit test for unsolicited rtx affecting skew

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Havard Graff 2019-06-29 23:16:44 -06:00 committed by Thomas Bluemel
parent 8d955fc32b
commit 4d4e8f99b9
1 changed files with 51 additions and 0 deletions
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51
tests/check/elements/rtpjitterbuffer.c
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@ -2689,6 +2689,55 @@ GST_START_TEST (test_fill_queue)
GST_END_TEST;
typedef struct
{
gint64 dts_skew;
gint16 seqnum_skew;
} RtxSkewCtx;
static const RtxSkewCtx rtx_does_not_affect_pts_calculation_input[] = {
{0, 0},
{20 * GST_MSECOND, -100},
{20 * GST_MSECOND, 100},
{-10 * GST_MSECOND, 1},
{100 * GST_MSECOND, 0},
};
GST_START_TEST (test_rtx_does_not_affect_pts_calculation)
{
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
GstBuffer *buffer;
guint next_seqnum;
guint rtx_seqnum;
GstClockTime now;
const RtxSkewCtx *ctx = &rtx_does_not_affect_pts_calculation_input[__i__];
/* set up a deterministic state and take the time on the clock */
g_object_set (h->element, "do-retransmission", TRUE, "do-lost", TRUE, NULL);
next_seqnum = construct_deterministic_initial_state (h, 3000);
now = gst_clock_get_time (GST_ELEMENT_CLOCK (h->element));
/* push in a "bad" RTX buffer, arriving at various times / seqnums */
rtx_seqnum = next_seqnum + ctx->seqnum_skew;
buffer = generate_test_buffer_full (now + ctx->dts_skew, rtx_seqnum,
rtx_seqnum * TEST_RTP_TS_DURATION);
GST_BUFFER_FLAG_SET (buffer, GST_RTP_BUFFER_FLAG_RETRANSMISSION);
gst_harness_push (h, buffer);
/* now push in the next regular buffer at its ideal time, and verify the
rouge RTX-buffer did not mess things up */
push_test_buffer (h, next_seqnum);
now = gst_clock_get_time (GST_ELEMENT_CLOCK (h->element));
buffer = gst_harness_pull (h);
fail_unless_equals_int64 (now, GST_BUFFER_PTS (buffer));
gst_buffer_unref (buffer);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
rtpjitterbuffer_suite (void)
{
@ -2736,6 +2785,8 @@ rtpjitterbuffer_suite (void)
tcase_add_test (tc_chain,
test_rtx_large_packet_spacing_does_not_reset_jitterbuffer);
tcase_add_test (tc_chain, test_minor_reorder_does_not_skew);
tcase_add_loop_test (tc_chain, test_rtx_does_not_affect_pts_calculation, 0,
G_N_ELEMENTS (rtx_does_not_affect_pts_calculation_input));
tcase_add_test (tc_chain, test_deadline_ts_offset);
tcase_add_test (tc_chain, test_big_gap_seqnum);