gstreamer/tests/check/elements/rtponviftimestamp.c

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/*
* onviftimestamp.c
*
* Copyright (C) 2014 Axis Communications AB
* Author: Guillaume Desmottes <guillaume.desmottes@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <gst/check/gstcheck.h>
#include <gst/rtp/gstrtpbuffer.h>
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
static GstElement *element;
static GstPad *mysrcpad;
static GstPad *mysinkpad;
/* These are global mainly because they are used from the setup/cleanup
* fixture functions */
static gulong myprobe;
static GList *mypushedevents;
static GList *myreceivedevents;
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
#define NTP_OFFSET ((guint64) 1245)
#define TIMESTAMP ((GstClockTime)42)
#define CSEQ 0x78
#define COMPARE TRUE
#define NO_COMPARE FALSE
static GstPadProbeReturn
event_probe (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
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GST_INFO ("got %" GST_PTR_FORMAT, event);
myreceivedevents = g_list_append (myreceivedevents, gst_event_ref (event));
return GST_PAD_PROBE_OK;
}
static GstEvent *
create_ntp_offset_event (GstClockTime ntp_offset, gboolean discont)
{
GstStructure *structure;
structure = gst_structure_new ("GstNtpOffset", "ntp-offset", G_TYPE_UINT64,
ntp_offset, "discont", G_TYPE_BOOLEAN, discont, NULL);
return gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, structure);
}
static GstEvent *
create_event (GstEventType type)
{
GstEvent *event = NULL;
switch (type) {
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case GST_EVENT_CUSTOM_DOWNSTREAM:
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM,
gst_structure_new ("x-app/test", "test-field", G_TYPE_STRING,
"test-value", NULL));
break;
case GST_EVENT_CUSTOM_DOWNSTREAM_OOB:
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_OOB,
gst_structure_new ("x-app/test", "test-field", G_TYPE_STRING,
"test-value", NULL));
break;
case GST_EVENT_EOS:
event = gst_event_new_eos ();
break;
default:
g_assert_not_reached ();
break;
}
return event;
}
static void
create_and_push_event (GstEventType type)
{
GstEvent *event = create_event (type);
mypushedevents = g_list_append (mypushedevents, event);
fail_unless (gst_pad_push_event (mysrcpad, event));
}
static void
check_and_clear_events (gint expected, gboolean compare)
{
GList *p;
GList *r;
/* verify that there's as many queued events as expected */
fail_unless_equals_int (g_list_length (myreceivedevents), expected);
if (compare) {
fail_unless_equals_int (expected, g_list_length (mypushedevents));
/* verify that the events are queued in the expected order */
r = myreceivedevents;
p = mypushedevents;
while (p != NULL) {
fail_unless_equals_pointer (p->data, r->data);
p = g_list_next (p);
r = g_list_next (r);
}
}
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g_list_free_full (myreceivedevents, (GDestroyNotify) gst_event_unref);
myreceivedevents = NULL;
g_list_free (mypushedevents);
mypushedevents = NULL;
}
static void
setup (void)
{
element = gst_check_setup_element ("rtponviftimestamp");
mysinkpad = gst_check_setup_sink_pad (element, &sinktemplate);
gst_pad_set_active (mysinkpad, TRUE);
mysrcpad = gst_check_setup_src_pad (element, &srctemplate);
gst_pad_set_active (mysrcpad, TRUE);
}
static void
cleanup (void)
{
gst_check_drop_buffers ();
gst_pad_set_active (mysrcpad, FALSE);
gst_check_teardown_src_pad (element);
mysrcpad = NULL;
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_sink_pad (element);
mysinkpad = NULL;
gst_check_teardown_element (element);
element = NULL;
gst_check_drop_buffers ();
}
static void
setup_with_event (void)
{
setup ();
myprobe = gst_pad_add_probe (mysinkpad,
GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM, event_probe, NULL, NULL);
myreceivedevents = NULL;
mypushedevents = NULL;
}
static void
cleanup_with_event (void)
{
gst_pad_remove_probe (mysinkpad, myprobe);
myprobe = 0;
myreceivedevents = NULL;
mypushedevents = NULL;
cleanup ();
}
static void
check_buffer_equal (GstBuffer * buf, GstBuffer * expected)
{
GstMapInfo info_buf, info_expected;
fail_if (buf == NULL);
fail_if (expected == NULL);
fail_unless (gst_buffer_map (buf, &info_buf, GST_MAP_READ));
fail_unless (gst_buffer_map (expected, &info_expected, GST_MAP_READ));
GST_LOG ("buffer: size %" G_GSIZE_FORMAT, info_buf.size);
GST_LOG ("expected: size %" G_GSIZE_FORMAT, info_expected.size);
GST_MEMDUMP ("buffer", info_buf.data, info_buf.size);
GST_MEMDUMP ("expected", info_expected.data, info_expected.size);
fail_unless_equals_uint64 (info_buf.size, info_expected.size);
fail_unless_equals_int (memcmp (info_buf.data, info_expected.data,
info_buf.size), 0);
gst_buffer_unmap (buf, &info_buf);
gst_buffer_unmap (expected, &info_expected);
}
/* Create a RTP buffer without the extension */
static GstBuffer *
create_rtp_buffer (GstClockTime timestamp, gboolean clean_point)
{
GstBuffer *buffer_in;
GstRTPBuffer rtpbuffer_in = GST_RTP_BUFFER_INIT;
buffer_in = gst_rtp_buffer_new_allocate (0, 0, 0);
GST_BUFFER_PTS (buffer_in) = timestamp;
if (!clean_point)
GST_BUFFER_FLAG_SET (buffer_in, GST_BUFFER_FLAG_DELTA_UNIT);
fail_unless (gst_rtp_buffer_map (buffer_in, GST_MAP_READ, &rtpbuffer_in));
fail_if (gst_rtp_buffer_get_extension (&rtpbuffer_in));
gst_rtp_buffer_unmap (&rtpbuffer_in);
return buffer_in;
}
static guint64
convert_to_ntp (GstClockTime t)
{
guint64 ntptime;
/* convert to NTP time. upper 32 bits should contain the seconds
* and the lower 32 bits, the fractions of a second. */
ntptime = gst_util_uint64_scale (t, (G_GINT64_CONSTANT (1) << 32),
GST_SECOND);
return ntptime;
}
/* Create a copy of @buffer_in having the RTP extension */
static GstBuffer *
create_extension_buffer (GstBuffer * buffer_in, gboolean clean_point,
gboolean end_contiguous, gboolean discont, guint64 ntp_offset, guint8 cseq)
{
GstBuffer *buffer_out;
GstRTPBuffer rtpbuffer_out = GST_RTP_BUFFER_INIT;
guint8 *data;
guint8 flags = 0;
buffer_out = gst_buffer_copy (buffer_in);
fail_unless (gst_rtp_buffer_map (buffer_out, GST_MAP_READWRITE,
&rtpbuffer_out));
/* extension */
fail_unless (gst_rtp_buffer_set_extension_data (&rtpbuffer_out, 0xABAC, 3));
fail_unless (gst_rtp_buffer_get_extension (&rtpbuffer_out));
fail_unless (gst_rtp_buffer_get_extension_data (&rtpbuffer_out, NULL,
(gpointer) & data, NULL));
/* NTP timestamp */
GST_WRITE_UINT64_BE (data, convert_to_ntp (GST_BUFFER_PTS (buffer_in) +
ntp_offset));
/* C E D mbz */
if (clean_point)
flags |= (1 << 7);
if (end_contiguous)
flags |= (1 << 6);
if (discont)
flags |= (1 << 5);
GST_WRITE_UINT8 (data + 8, flags);
/* CSeq */
GST_WRITE_UINT8 (data + 9, cseq);
memset (data + 10, 0, 4);
gst_rtp_buffer_unmap (&rtpbuffer_out);
return buffer_out;
}
static void
do_one_buffer_test_apply (gboolean clean_point)
{
GstBuffer *buffer_in, *buffer_out;
g_object_set (element, "ntp-offset", NTP_OFFSET, "cseq", 0x12345678,
"set-e-bit", FALSE, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
buffer_in = create_rtp_buffer (TIMESTAMP, clean_point);
buffer_out = create_extension_buffer (buffer_in, clean_point, FALSE, FALSE,
NTP_OFFSET, CSEQ);
/* push initial events */
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* Push buffer */
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer_in), GST_FLOW_OK);
check_buffer_equal ((GstBuffer *) buffers->data, buffer_out);
gst_buffer_unref (buffer_out);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
}
static void
do_two_buffers_test_apply (gboolean end_contiguous)
{
GstBuffer *buffer_in, *buffer_out;
GList *node;
g_object_set (element, "ntp-offset", NTP_OFFSET, "cseq", 0x12345678,
"set-e-bit", TRUE, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
buffer_in = create_rtp_buffer (TIMESTAMP, FALSE);
buffer_out = create_extension_buffer (buffer_in, FALSE, end_contiguous,
FALSE, NTP_OFFSET, CSEQ);
/* push initial events */
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* Push buffer */
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer_in), GST_FLOW_OK);
/* The buffer hasn't been pushed it as the element is waiting for the next
* buffer. */
fail_unless_equals_int (g_list_length (buffers), 0);
/* push an ntp-offset event to trigger a discontinuty */
fail_unless (gst_pad_push_event (mysrcpad,
create_ntp_offset_event (NTP_OFFSET, end_contiguous)));
/* A second buffer is pushed */
buffer_in = create_rtp_buffer (TIMESTAMP + 1, FALSE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer_in), GST_FLOW_OK);
/* The first buffer has now been pushed out */
fail_unless_equals_int (g_list_length (buffers), 1);
node = g_list_last (buffers);
check_buffer_equal ((GstBuffer *) node->data, buffer_out);
gst_buffer_unref (buffer_out);
/* Push EOS */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* The second buffer has been pushed out */
fail_unless_equals_int (g_list_length (buffers), 2);
/* Last buffer always has the 'E' flag */
buffer_out = create_extension_buffer (buffer_in, FALSE, TRUE, end_contiguous,
NTP_OFFSET, CSEQ);
node = g_list_last (buffers);
check_buffer_equal ((GstBuffer *) node->data, buffer_out);
gst_buffer_unref (buffer_out);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
}
GST_START_TEST (test_apply_clean_point)
{
do_one_buffer_test_apply (TRUE);
}
GST_END_TEST;
GST_START_TEST (test_apply_no_e_bit)
{
do_two_buffers_test_apply (FALSE);
}
GST_END_TEST;
GST_START_TEST (test_apply_e_bit)
{
do_two_buffers_test_apply (TRUE);
}
GST_END_TEST;
GST_START_TEST (test_flushing)
{
GstBuffer *buffer;
/* set the e-bit, so the element use caching */
g_object_set (element, "set-e-bit", TRUE, NULL);
/* set the ntp-offset, since no one will provide a clock */
g_object_set (element, "ntp-offset", NTP_OFFSET, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* create and push the first buffer */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* no buffers should have made it through */
fail_unless_equals_int (g_list_length (buffers), 0);
/* flush the element */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_flush_start ()));
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_flush_stop (FALSE)));
/* resend events */
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* create and push a second buffer */
buffer = create_rtp_buffer (TIMESTAMP + 1, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* still no buffers should have made it through (the first one should have
* been dropped during flushing) */
fail_unless_equals_int (g_list_length (buffers), 0);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
}
GST_END_TEST;
GST_START_TEST (test_reusable_element_no_e_bit)
{
GstBuffer *buffer;
/* set the ntp-offset, since no one will provide a clock */
g_object_set (element, "ntp-offset", NTP_OFFSET, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* create and push the first buffer */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a second buffer */
buffer = create_rtp_buffer (TIMESTAMP + 1, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a third buffer */
buffer = create_rtp_buffer (TIMESTAMP + 2, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
fail_unless_equals_int (g_list_length (buffers), 3);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* create and push the first buffer */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a second buffer */
buffer = create_rtp_buffer (TIMESTAMP + 1, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a third buffer */
buffer = create_rtp_buffer (TIMESTAMP + 2, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
fail_unless_equals_int (g_list_length (buffers), 6);
}
GST_END_TEST;
GST_START_TEST (test_reusable_element_e_bit)
{
GstBuffer *buffer;
/* set the e-bit, so the element use caching */
g_object_set (element, "set-e-bit", TRUE, NULL);
/* set the ntp-offset, since no one will provide a clock */
g_object_set (element, "ntp-offset", NTP_OFFSET, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* create and push the first buffer */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a second buffer */
buffer = create_rtp_buffer (TIMESTAMP + 1, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a third buffer */
buffer = create_rtp_buffer (TIMESTAMP + 2, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
fail_unless_equals_int (g_list_length (buffers), 2);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* create and push the first buffer */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a second buffer */
buffer = create_rtp_buffer (TIMESTAMP + 1, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
/* create and push a third buffer */
buffer = create_rtp_buffer (TIMESTAMP + 2, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
fail_unless_equals_int (g_list_length (buffers), 4);
}
GST_END_TEST;
GST_START_TEST (test_ntp_offset_event)
{
GstBuffer *buffer_in, *buffer1_out, *buffer2_out;
GList *node;
/* set the e-bit, so the element use caching */
g_object_set (element, "set-e-bit", TRUE, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* push an ntp-offset event */
fail_unless (gst_pad_push_event (mysrcpad,
create_ntp_offset_event (NTP_OFFSET, FALSE)));
/* create and push the first buffer */
buffer_in = create_rtp_buffer (TIMESTAMP, TRUE);
buffer1_out = create_extension_buffer (buffer_in, TRUE, TRUE, FALSE,
NTP_OFFSET, 0);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer_in), GST_FLOW_OK);
/* push a new ntp offset */
fail_unless (gst_pad_push_event (mysrcpad,
create_ntp_offset_event (2 * NTP_OFFSET, TRUE)));
/* create and push a second buffer (last) */
buffer_in = create_rtp_buffer (TIMESTAMP + 1, TRUE);
buffer2_out = create_extension_buffer (buffer_in, TRUE, TRUE, TRUE,
2 * NTP_OFFSET, 0);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer_in), GST_FLOW_OK);
/* the first buffer should have been pushed now */
fail_unless_equals_int (g_list_length (buffers), 1);
node = g_list_last (buffers);
check_buffer_equal ((GstBuffer *) node->data, buffer1_out);
gst_buffer_unref (buffer1_out);
/* push EOS */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* the second buffer has now been pushed */
fail_unless_equals_int (g_list_length (buffers), 2);
node = g_list_last (buffers);
check_buffer_equal ((GstBuffer *) node->data, buffer2_out);
gst_buffer_unref (buffer2_out);
ASSERT_SET_STATE (element, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
}
GST_END_TEST;
GST_START_TEST (test_serialized_events)
{
GstBuffer *buffer;
/* we want the e-bit set so that buffers are cached */
g_object_set (element, "set-e-bit", TRUE, NULL);
g_object_set (element, "ntp-offset", NTP_OFFSET, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
/* send intitial events (stream-start and segment) */
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
check_and_clear_events (2, NO_COMPARE);
/* events received while no buffer is cached should be forwarded */
create_and_push_event (GST_EVENT_CUSTOM_DOWNSTREAM);
check_and_clear_events (1, NO_COMPARE);
/* create and push the first buffer, which should be cached */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 0);
/* serialized events should be queued when there's a buffer cached */
create_and_push_event (GST_EVENT_CUSTOM_DOWNSTREAM);
fail_unless_equals_int (g_list_length (myreceivedevents), 0);
/* there's still a buffer cached... */
create_and_push_event (GST_EVENT_CUSTOM_DOWNSTREAM);
fail_unless_equals_int (g_list_length (myreceivedevents), 0);
/* receiving a new buffer should let the first through, along with the
* queued serialized events */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 1);
check_and_clear_events (2, COMPARE);
/* there's still a buffer cached, a new serialized event should be quueud */
create_and_push_event (GST_EVENT_CUSTOM_DOWNSTREAM);
fail_unless_equals_int (g_list_length (myreceivedevents), 0);
/* when receiving an EOS cached buffer and queued events should be forwarded */
create_and_push_event (GST_EVENT_EOS);
check_and_clear_events (2, COMPARE);
}
GST_END_TEST;
GST_START_TEST (test_non_serialized_events)
{
GstEvent *event;
GstBuffer *buffer;
/* we want the e-bit set so that buffers are cached */
g_object_set (element, "set-e-bit", TRUE, NULL);
g_object_set (element, "ntp-offset", NTP_OFFSET, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
/* send intitial events (stream-start and segment) */
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
fail_unless_equals_int (g_list_length (myreceivedevents), 2);
check_and_clear_events (2, NO_COMPARE);
/* events received while no buffer is cached should be forwarded */
create_and_push_event (GST_EVENT_CUSTOM_DOWNSTREAM_OOB);
check_and_clear_events (1, COMPARE);
/* create and push the first buffer, which should be cached */
buffer = create_rtp_buffer (TIMESTAMP, TRUE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 0);
/* non-serialized events should be forwarded regardless of whether
* there is a cached buffer */
create_and_push_event (GST_EVENT_CUSTOM_DOWNSTREAM_OOB);
check_and_clear_events (1, COMPARE);
/* there's still a buffer cached, push a serialized event and make sure
* it's queued */
create_and_push_event (GST_EVENT_CUSTOM_DOWNSTREAM);
fail_unless_equals_int (g_list_length (myreceivedevents), 0);
/* non-serialized events should be forwarded regardless of whether there
* are serialized events queued, thus the g_list_prepend below */
event = create_event (GST_EVENT_CUSTOM_DOWNSTREAM_OOB);
mypushedevents = g_list_prepend (mypushedevents, event);
fail_unless (gst_pad_push_event (mysrcpad, event));
fail_unless_equals_int (g_list_length (myreceivedevents), 1);
/* when receiving an EOS cached buffer and queued events should be forwarded */
create_and_push_event (GST_EVENT_EOS);
fail_unless_equals_int (g_list_length (buffers), 1);
check_and_clear_events (3, COMPARE);
}
GST_END_TEST;
static void
do_ntp_time (GstClockTime buffer_time, gint segment_start, gint segment_base)
{
GstSegment segment;
GstBuffer *buffer;
GstRTPBuffer rtpbuffer = GST_RTP_BUFFER_INIT;
guint8 *data;
guint64 expected_ntp_time;
guint64 timestamp;
/* create a segment that controls the behavior
* by changing segment.start and segment.base we affect the stream time and
* running time respectively */
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.start = segment_start;
segment.base = segment_base;
gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment));
expected_ntp_time = gst_segment_to_stream_time (&segment, GST_FORMAT_TIME,
buffer_time);
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expected_ntp_time += NTP_OFFSET;
expected_ntp_time = gst_util_uint64_scale (expected_ntp_time,
(G_GINT64_CONSTANT (1) << 32), GST_SECOND);
buffer = create_rtp_buffer (buffer_time, FALSE);
fail_unless_equals_int (gst_pad_push (mysrcpad, buffer), GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 1);
buffer = g_list_last (buffers)->data;
/* get the extension header */
fail_unless (gst_rtp_buffer_map (buffer, GST_MAP_READWRITE, &rtpbuffer));
fail_unless (gst_rtp_buffer_get_extension_data (&rtpbuffer, NULL,
(gpointer) & data, NULL));
/* ...and read the NTP timestamp and verify that it's the expected one */
timestamp = GST_READ_UINT64_BE (data);
fail_unless_equals_uint64 (timestamp, expected_ntp_time);
gst_rtp_buffer_unmap (&rtpbuffer);
gst_check_drop_buffers ();
}
GST_START_TEST (test_ntp_time)
{
/* we do not need buffer caching, so do not set the e-bit */
g_object_set (element, "set-e-bit", FALSE, NULL);
/* set an ntp offset suitable for testing */
g_object_set (element, "ntp-offset", NTP_OFFSET, NULL);
ASSERT_SET_STATE (element, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
/* push initial events */
gst_check_setup_events (mysrcpad, element, NULL, GST_FORMAT_TIME);
/* first test with a "clean" segment */
do_ntp_time (GST_MSECOND, 0, 0);
do_ntp_time (GST_SECOND + GST_MSECOND, 0, 0);
/* verify that changing the running time does not affect the ntp time stamps */
do_ntp_time (GST_MSECOND, 0, GST_SECOND);
do_ntp_time (GST_SECOND + GST_MSECOND, 0, GST_SECOND);
/* changing the segment.start affects the stream time, verify that the element
* handles it correctly */
do_ntp_time (GST_MSECOND, GST_MSECOND / 2, 0);
do_ntp_time (GST_SECOND + GST_MSECOND, GST_MSECOND / 2, 0);
/* and finally change both of them and verify that all's fine */
do_ntp_time (GST_MSECOND, GST_MSECOND / 2, GST_SECOND);
do_ntp_time (GST_SECOND + GST_MSECOND, GST_MSECOND / 2, GST_SECOND);
}
GST_END_TEST;
static Suite *
onviftimestamp_suite (void)
{
Suite *s = suite_create ("onviftimestamp");
TCase *tc_general, *tc_events;
tc_general = tcase_create ("general");
suite_add_tcase (s, tc_general);
tcase_add_checked_fixture (tc_general, setup, cleanup);
tcase_add_test (tc_general, test_apply_clean_point);
tcase_add_test (tc_general, test_apply_no_e_bit);
tcase_add_test (tc_general, test_apply_e_bit);
tcase_add_test (tc_general, test_flushing);
tcase_add_test (tc_general, test_reusable_element_no_e_bit);
tcase_add_test (tc_general, test_reusable_element_e_bit);
tcase_add_test (tc_general, test_ntp_offset_event);
tcase_add_test (tc_general, test_ntp_time);
tc_events = tcase_create ("events");
suite_add_tcase (s, tc_events);
tcase_add_checked_fixture (tc_events, setup_with_event, cleanup_with_event);
tcase_add_test (tc_events, test_serialized_events);
tcase_add_test (tc_events, test_non_serialized_events);
return s;
}
GST_CHECK_MAIN (onviftimestamp);