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rtpmux: respect downstream "timestamp-offset" in caps.

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=795162
This commit is contained in:
Havard Graff 2017-09-25 14:30:13 +02:00 committed by Olivier Crête
parent 6f37bd8f19
commit 6c05180dc5
2 changed files with 82 additions and 0 deletions
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5
gst/rtpmanager/gstrtpmux.c
View file

@ -624,6 +624,11 @@ gst_rtp_mux_setcaps (GstPad * pad, GstRTPMux * rtp_mux, GstCaps * caps)
GST_INFO_OBJECT (pad, "Use downstream ssrc: %x", rtp_mux->current_ssrc);
rtp_mux->have_ssrc = TRUE;
}
if (gst_structure_get_uint (structure,
"timestamp-offset", &rtp_mux->ts_base)) {
GST_INFO_OBJECT (pad, "Use downstream timestamp-offset: %u",
rtp_mux->ts_base);
}
GST_OBJECT_UNLOCK (rtp_mux);
}

77
tests/check/elements/rtpmux.c
View file

@ -352,6 +352,17 @@ _rtp_buffer_get_ssrc (GstBuffer * buf)
return ret;
}
static guint32
_rtp_buffer_get_ts (GstBuffer * buf)
{
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
guint32 ret;
g_assert (gst_rtp_buffer_map (buf, GST_MAP_READ, &rtp));
ret = gst_rtp_buffer_get_timestamp (&rtp);
gst_rtp_buffer_unmap (&rtp);
return ret;
}
GST_START_TEST (test_rtpmux_ssrc_property)
{
GstHarness *h = gst_harness_new_with_padnames ("rtpmux", NULL, "src");
@ -617,6 +628,69 @@ GST_START_TEST (test_rtpmux_ssrc_downstream_dynamic)
GST_END_TEST;
GST_START_TEST (test_rtpmux_caps_query_with_downsteam_ts_offset_and_ssrc)
{
GstHarness *h = gst_harness_new_with_padnames ("rtpmux", "sink_0", "src");
GstCaps *caps;
const GstStructure *s;
/* downstream is specifying 100 as ts-offset and 111 as ssrc */
gst_harness_set_sink_caps_str (h, "application/x-rtp, "
"timstamp-offset=(uint)100, ssrc=(uint)111");
caps = gst_pad_peer_query_caps (h->srcpad, NULL);
s = gst_caps_get_structure (caps, 0);
/* check that the query does not contain any of these fields */
fail_unless (!gst_structure_has_field (s, "timestamp-offset"));
fail_unless (!gst_structure_has_field (s, "ssrc"));
gst_caps_unref (caps);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_rtpmux_ts_offset_downstream_overrules_upstream)
{
GstHarness *h = gst_harness_new_with_padnames ("rtpmux", 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);
GstBuffer *buf0;
GstBuffer *buf1;
/* downstream is specifying 1234567 as ts-offset */
gst_harness_set_sink_caps_str (h, "application/x-rtp, timestamp-offset=(uint)1234567");
/* while upstream ts-offset is 1600 (10 * 160) and 16000 (100 * 160) */
gst_harness_set_src_caps_str (h0, "application/x-rtp, timestamp-offset=(uint)1600");
gst_harness_set_src_caps_str (h1, "application/x-rtp, timestamp-offset=(uint)16000");
/* push a buffer starting with rtp-timestamp: 1600 (10 * 160) */
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h0, generate_test_buffer (10, 222222)));
/* push a buffer starting with rtp-timestamp: 16000 (100 * 160) */
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h1, generate_test_buffer (100, 333333)));
buf0 = gst_harness_pull (h);
buf1 = gst_harness_pull (h);
/* we expect the buffers to start from 1234567 */
fail_unless_equals_int (1234567, _rtp_buffer_get_ts (buf0));
fail_unless_equals_int (1234567, _rtp_buffer_get_ts (buf1));
gst_buffer_unref (buf0);
gst_buffer_unref (buf1);
gst_harness_teardown (h0);
gst_harness_teardown (h1);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
rtpmux_suite (void)
{
@ -635,6 +709,9 @@ rtpmux_suite (void)
tcase_add_test (tc_chain, test_rtpmux_ssrc_downstream_dynamic);
tcase_add_test (tc_chain, test_rtpmux_caps_query_with_downsteam_ts_offset_and_ssrc);
tcase_add_test (tc_chain, test_rtpmux_ts_offset_downstream_overrules_upstream);
tc_chain = tcase_create ("rtpdtmfmux_basic");
tcase_add_test (tc_chain, test_rtpdtmfmux_basic);
suite_add_tcase (s, tc_chain);