blob: 5299825d8ce6e9c9a69785c5252c8babd8556de4 [file] [log] [blame]
/*
* 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 GstPad *mysrcpad, *mysinkpad;
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 42
static void
setup_element (GstElement * element)
{
mysrcpad = gst_check_setup_src_pad (element, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (element, &sinktemplate);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
fail_unless (gst_element_set_state (element,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
}
static void
cleanup_element (GstElement * element)
{
fail_unless (gst_element_set_state (element,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
gst_pad_set_active (mysrcpad, FALSE);
if (mysinkpad)
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (element);
gst_check_teardown_sink_pad (element);
gst_check_teardown_element (element);
mysrcpad = NULL;
mysinkpad = NULL;
}
static guint64
convert_to_ntp (guint64 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)
{
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 */
gst_rtp_buffer_set_extension_data (&rtpbuffer_out, 0xABAC, 3);
fail_unless (gst_rtp_buffer_get_extension (&rtpbuffer_out));
gst_rtp_buffer_get_extension_data (&rtpbuffer_out, NULL, (gpointer) & data,
NULL);
/* NTP timestamp */
GST_WRITE_UINT64_BE (data, convert_to_ntp (buffer_in->pts + 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, 0x78);
memset (data + 10, 0, 4);
gst_rtp_buffer_unmap (&rtpbuffer_out);
return buffer_out;
}
static GstElement *
setup_rtponvifparse (gboolean set_e_bit)
{
GstElement *parse;
GST_DEBUG ("setup_rtponvifparse");
parse = gst_check_setup_element ("rtponvifparse");
setup_element (parse);
return parse;
}
static void
cleanup_rtponvifparse (GstElement * parse)
{
GST_DEBUG ("cleanup_rtponvifparse");
cleanup_element (parse);
}
static void
test_parse (gboolean clean_point, gboolean discont)
{
GstElement *parse;
GstBuffer *rtp, *buf;
GstSegment segment;
parse = setup_rtponvifparse (FALSE);
rtp = gst_rtp_buffer_new_allocate (4, 0, 0);
buf = create_extension_buffer (rtp, clean_point, FALSE, discont);
gst_buffer_unref (rtp);
/* stream start */
fail_unless (gst_pad_push_event (mysrcpad,
gst_event_new_stream_start ("test")));
/* Push a segment */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* Push buffer */
fail_unless (gst_pad_push (mysrcpad, buf) == GST_FLOW_OK,
"failed pushing buffer");
g_assert_cmpuint (g_list_length (buffers), ==, 1);
buf = buffers->data;
if (clean_point)
g_assert (!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT));
else
g_assert (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT));
if (discont)
g_assert (GST_BUFFER_IS_DISCONT (buf));
else
g_assert (!GST_BUFFER_IS_DISCONT (buf));
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_OBJECT_REFCOUNT (parse, "rtponvifparse", 1);
cleanup_rtponvifparse (parse);
}
GST_START_TEST (test_parse_no_flag)
{
test_parse (FALSE, FALSE);
}
GST_END_TEST;
GST_START_TEST (test_parse_clean_point)
{
test_parse (TRUE, FALSE);
}
GST_END_TEST;
GST_START_TEST (test_parse_discont)
{
test_parse (FALSE, TRUE);
}
GST_END_TEST;
static Suite *
onviftimestamp_suite (void)
{
Suite *s = suite_create ("onviftimestamp");
TCase *tc_chain;
tc_chain = tcase_create ("parse");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_parse_no_flag);
tcase_add_test (tc_chain, test_parse_clean_point);
tcase_add_test (tc_chain, test_parse_discont);
return s;
}
GST_CHECK_MAIN (onviftimestamp);