gstreamer/tests/check/elements/rtpjitterbuffer.c
Thiago Santos 241e0c2722 rtpjitterbuffer: fix build error with gcc (Debian 4.9.2-21) 4.9.2
Replace static constants with macros to make gcc happy

  CC       elements/elements_rtpjitterbuffer-rtpjitterbuffer.o
elements/rtpjitterbuffer.c:387:1: error: initializer element is not constant
 static const GstClockTime PCMU_BUF_DURATION = PCMU_BUF_MS * GST_MSECOND;
 ^
elements/rtpjitterbuffer.c:388:1: error: initializer element is not constant
 static const guint PCMU_BUF_SIZE = 64000 * PCMU_BUF_MS / 1000;
 ^
elements/rtpjitterbuffer.c:390:5: error: initializer element is not constant
     PCMU_BUF_CLOCK_RATE * PCMU_BUF_MS / 1000;
2015-07-08 23:49:12 -03:00

1701 lines
57 KiB
C

/* GStreamer
*
* Copyright (C) 2009 Nokia Corporation and its subsidary(-ies)
* contact: <stefan.kost@nokia.com>
* Copyright (C) 2012 Cisco Systems, Inc
* Authors: Kelley Rogers <kelro@cisco.com>
* Havard Graff <hgraff@cisco.com>
* Copyright (C) 2013-2015 Pexip AS
* Stian Selnes <stian@pexip>
* Havard Graff <havard@pexip>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstcheck.h>
#include <gst/check/gsttestclock.h>
#include <gst/check/gstharness.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;
/* we also have a list of src buffers */
static GList *inbuffers = NULL;
static gint num_dropped = 0;
#define RTP_CAPS_STRING \
"application/x-rtp, " \
"media = (string)audio, " \
"payload = (int) 0, " \
"clock-rate = (int) 8000, " \
"encoding-name = (string)PCMU"
#define RTP_FRAME_SIZE 20
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, "
"clock-rate = (int) [ 1, 2147483647 ]")
);
static void
buffer_dropped (gpointer data, GstMiniObject * obj)
{
GST_DEBUG ("dropping buffer %p", obj);
num_dropped++;
}
static GstElement *
setup_jitterbuffer (gint num_buffers)
{
GstElement *jitterbuffer;
GstClock *clock;
GstBuffer *buffer;
GstCaps *caps;
/* a 20 sample audio block (2,5 ms) generated with
* gst-launch audiotestsrc wave=silence blocksize=40 num-buffers=3 !
* "audio/x-raw,channels=1,rate=8000" ! mulawenc ! rtppcmupay !
* fakesink dump=1
*/
guint8 in[] = {
/* first 4 bytes are rtp-header, next 4 bytes are timestamp */
0x80, 0x80, 0x1c, 0x24, 0x46, 0xcd, 0xb7, 0x11, 0x3c, 0x3a, 0x7c, 0x5b,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
GstClockTime ts = G_GUINT64_CONSTANT (0);
GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
/*guint latency = GST_TIME_AS_MSECONDS (num_buffers * tso); */
gint i;
GST_DEBUG ("setup_jitterbuffer");
jitterbuffer = gst_check_setup_element ("rtpjitterbuffer");
/* we need a clock here */
clock = gst_system_clock_obtain ();
gst_element_set_clock (jitterbuffer, clock);
gst_object_unref (clock);
/* setup latency */
/* latency would be 7 for 3 buffers here, default is 200
g_object_set (G_OBJECT (jitterbuffer), "latency", latency, NULL);
GST_INFO_OBJECT (jitterbuffer, "set latency to %u ms", latency);
*/
mysrcpad = gst_check_setup_src_pad (jitterbuffer, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (jitterbuffer, &sinktemplate);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
/* create n buffers */
caps = gst_caps_from_string (RTP_CAPS_STRING);
gst_check_setup_events (mysrcpad, jitterbuffer, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
for (i = 0; i < num_buffers; i++) {
buffer = gst_buffer_new_and_alloc (sizeof (in));
gst_buffer_fill (buffer, 0, in, sizeof (in));
GST_BUFFER_DTS (buffer) = ts;
GST_BUFFER_PTS (buffer) = ts;
GST_BUFFER_DURATION (buffer) = tso;
gst_mini_object_weak_ref (GST_MINI_OBJECT (buffer), buffer_dropped, NULL);
GST_DEBUG ("created buffer: %p", buffer);
if (!i)
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
inbuffers = g_list_append (inbuffers, buffer);
/* hackish way to update the rtp header */
in[1] = 0x00;
in[3]++; /* seqnumber */
in[7] += RTP_FRAME_SIZE; /* inc. timestamp with framesize */
ts += tso;
}
num_dropped = 0;
return jitterbuffer;
}
static GstStateChangeReturn
start_jitterbuffer (GstElement * jitterbuffer)
{
GstStateChangeReturn ret;
GstClockTime now;
GstClock *clock;
clock = gst_element_get_clock (jitterbuffer);
now = gst_clock_get_time (clock);
gst_object_unref (clock);
gst_element_set_base_time (jitterbuffer, now);
ret = gst_element_set_state (jitterbuffer, GST_STATE_PLAYING);
return ret;
}
static void
cleanup_jitterbuffer (GstElement * jitterbuffer)
{
GST_DEBUG ("cleanup_jitterbuffer");
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
g_list_free (inbuffers);
inbuffers = NULL;
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (jitterbuffer);
gst_check_teardown_sink_pad (jitterbuffer);
gst_check_teardown_element (jitterbuffer);
}
static void
check_jitterbuffer_results (GstElement * jitterbuffer, gint num_buffers)
{
GstBuffer *buffer;
GList *node;
GstClockTime ts = G_GUINT64_CONSTANT (0);
GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
GstMapInfo map;
guint16 prev_sn = 0, cur_sn;
guint32 prev_ts = 0, cur_ts;
/* sleep for twice the latency */
g_usleep (400 * 1000);
GST_INFO ("of %d buffer %d/%d received/dropped", num_buffers,
g_list_length (buffers), num_dropped);
/* if this fails, not all buffers have been processed */
fail_unless_equals_int ((g_list_length (buffers) + num_dropped), num_buffers);
/* check the buffer list */
fail_unless_equals_int (g_list_length (buffers), num_buffers);
for (node = buffers; node; node = g_list_next (node)) {
fail_if ((buffer = (GstBuffer *) node->data) == NULL);
fail_if (GST_BUFFER_PTS (buffer) != ts);
fail_if (GST_BUFFER_DTS (buffer) != ts);
gst_buffer_map (buffer, &map, GST_MAP_READ);
cur_sn = ((guint16) map.data[2] << 8) | map.data[3];
cur_ts = ((guint32) map.data[4] << 24) | ((guint32) map.data[5] << 16) |
((guint32) map.data[6] << 8) | map.data[7];
gst_buffer_unmap (buffer, &map);
if (node != buffers) {
fail_unless (cur_sn > prev_sn);
fail_unless (cur_ts > prev_ts);
prev_sn = cur_sn;
prev_ts = cur_ts;
}
ts += tso;
}
}
GST_START_TEST (test_push_forward_seq)
{
GstElement *jitterbuffer;
const guint num_buffers = 3;
GstBuffer *buffer;
GList *node;
jitterbuffer = setup_jitterbuffer (num_buffers);
fail_unless (start_jitterbuffer (jitterbuffer)
== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
/* push buffers: 0,1,2, */
for (node = inbuffers; node; node = g_list_next (node)) {
buffer = (GstBuffer *) node->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
/* check the buffer list */
check_jitterbuffer_results (jitterbuffer, num_buffers);
/* cleanup */
cleanup_jitterbuffer (jitterbuffer);
}
GST_END_TEST;
GST_START_TEST (test_push_backward_seq)
{
GstElement *jitterbuffer;
const guint num_buffers = 4;
GstBuffer *buffer;
GList *node;
jitterbuffer = setup_jitterbuffer (num_buffers);
fail_unless (start_jitterbuffer (jitterbuffer)
== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
/* push buffers: 0,3,2,1 */
buffer = (GstBuffer *) inbuffers->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
for (node = g_list_last (inbuffers); node != inbuffers;
node = g_list_previous (node)) {
buffer = (GstBuffer *) node->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
/* check the buffer list */
check_jitterbuffer_results (jitterbuffer, num_buffers);
/* cleanup */
cleanup_jitterbuffer (jitterbuffer);
}
GST_END_TEST;
GST_START_TEST (test_push_unordered)
{
GstElement *jitterbuffer;
const guint num_buffers = 4;
GstBuffer *buffer;
jitterbuffer = setup_jitterbuffer (num_buffers);
fail_unless (start_jitterbuffer (jitterbuffer)
== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
/* push buffers; 0,2,1,3 */
buffer = (GstBuffer *) inbuffers->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
buffer = g_list_nth_data (inbuffers, 2);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
buffer = g_list_nth_data (inbuffers, 1);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
buffer = g_list_nth_data (inbuffers, 3);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
/* check the buffer list */
check_jitterbuffer_results (jitterbuffer, num_buffers);
/* cleanup */
cleanup_jitterbuffer (jitterbuffer);
}
GST_END_TEST;
GST_START_TEST (test_basetime)
{
GstElement *jitterbuffer;
const guint num_buffers = 3;
GstBuffer *buffer;
GList *node;
GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
jitterbuffer = setup_jitterbuffer (num_buffers);
fail_unless (start_jitterbuffer (jitterbuffer)
== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
/* push buffers: 2,1,0 */
for (node = g_list_last (inbuffers); node; node = g_list_previous (node)) {
buffer = (GstBuffer *) node->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
/* sleep for twice the latency */
g_usleep (400 * 1000);
/* if this fails, not all buffers have been processed */
fail_unless_equals_int ((g_list_length (buffers) + num_dropped), num_buffers);
buffer = (GstBuffer *) buffers->data;
fail_unless (GST_BUFFER_DTS (buffer) != (num_buffers * tso));
fail_unless (GST_BUFFER_PTS (buffer) != (num_buffers * tso));
/* cleanup */
cleanup_jitterbuffer (jitterbuffer);
}
GST_END_TEST;
static GstCaps *
request_pt_map (GstElement * jitterbuffer, guint pt)
{
fail_unless (pt == 0);
return gst_caps_from_string (RTP_CAPS_STRING);
}
GST_START_TEST (test_clear_pt_map)
{
GstElement *jitterbuffer;
const guint num_buffers = 10;
gint i;
GstBuffer *buffer;
GList *node;
jitterbuffer = setup_jitterbuffer (num_buffers);
fail_unless (start_jitterbuffer (jitterbuffer)
== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
g_signal_connect (jitterbuffer, "request-pt-map", (GCallback)
request_pt_map, NULL);
/* push buffers: 0,1,2, */
for (node = inbuffers, i = 0; node && i < 3; node = g_list_next (node), i++) {
buffer = (GstBuffer *) node->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
g_usleep (400 * 1000);
g_signal_emit_by_name (jitterbuffer, "clear-pt-map", NULL);
for (; node && i < 10; node = g_list_next (node), i++) {
buffer = (GstBuffer *) node->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
/* check the buffer list */
check_jitterbuffer_results (jitterbuffer, num_buffers);
/* cleanup */
cleanup_jitterbuffer (jitterbuffer);
}
GST_END_TEST;
#define PCMU_BUF_CLOCK_RATE 8000
#define PCMU_BUF_PT 0
#define PCMU_BUF_SSRC 0x01BADBAD
#define PCMU_BUF_MS 20
#define PCMU_BUF_DURATION (PCMU_BUF_MS * GST_MSECOND)
#define PCMU_BUF_SIZE (64000 * PCMU_BUF_MS / 1000)
#define PCMU_RTP_TS_DURATION (PCMU_BUF_CLOCK_RATE * PCMU_BUF_MS / 1000)
typedef struct
{
GstElement *jitter_buffer;
GstPad *test_sink_pad, *test_src_pad;
GstClock *clock;
GAsyncQueue *buf_queue;
GAsyncQueue *sink_event_queue;
GAsyncQueue *src_event_queue;
gint lost_event_count;
gint rtx_event_count;
} TestData;
static GstCaps *
generate_caps (void)
{
return gst_caps_new_simple ("application/x-rtp",
"media", G_TYPE_STRING, "audio",
"clock-rate", G_TYPE_INT, PCMU_BUF_CLOCK_RATE,
"encoding-name", G_TYPE_STRING, "PCMU",
"payload", G_TYPE_INT, PCMU_BUF_PT,
"ssrc", G_TYPE_UINT, PCMU_BUF_SSRC, NULL);
}
static GstBuffer *
generate_test_buffer_full (GstClockTime gst_ts,
gboolean marker_bit, guint seq_num, guint32 rtp_ts)
{
GstBuffer *buf;
guint8 *payload;
guint i;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
buf = gst_rtp_buffer_new_allocate (PCMU_BUF_SIZE, 0, 0);
GST_BUFFER_DTS (buf) = gst_ts;
GST_BUFFER_PTS (buf) = gst_ts;
gst_rtp_buffer_map (buf, GST_MAP_READWRITE, &rtp);
gst_rtp_buffer_set_payload_type (&rtp, PCMU_BUF_PT);
gst_rtp_buffer_set_marker (&rtp, marker_bit);
gst_rtp_buffer_set_seq (&rtp, seq_num);
gst_rtp_buffer_set_timestamp (&rtp, rtp_ts);
gst_rtp_buffer_set_ssrc (&rtp, PCMU_BUF_SSRC);
payload = gst_rtp_buffer_get_payload (&rtp);
for (i = 0; i < PCMU_BUF_SIZE; i++)
payload[i] = 0xff;
gst_rtp_buffer_unmap (&rtp);
return buf;
}
static GstBuffer *
generate_test_buffer (guint seq_num)
{
return generate_test_buffer_full (seq_num * PCMU_BUF_DURATION,
TRUE, seq_num, seq_num * PCMU_RTP_TS_DURATION);
}
static GstFlowReturn
test_sink_pad_chain_cb (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
TestData *data = gst_pad_get_element_private (pad);
g_async_queue_push (data->buf_queue, buffer);
return GST_FLOW_OK;
}
static gboolean
test_sink_pad_event_cb (GstPad * pad, GstObject * parent, GstEvent * event)
{
TestData *data = gst_pad_get_element_private (pad);
const GstStructure *structure = gst_event_get_structure (event);
GST_DEBUG ("got event %" GST_PTR_FORMAT, event);
if (strcmp (gst_structure_get_name (structure), "GstRTPPacketLost") == 0) {
data->lost_event_count++;
GST_DEBUG ("lost event count %d", data->lost_event_count);
}
g_async_queue_push (data->sink_event_queue, event);
return TRUE;
}
static gboolean
test_src_pad_event_cb (GstPad * pad, GstObject * parent, GstEvent * event)
{
TestData *data = gst_pad_get_element_private (pad);
const GstStructure *structure = gst_event_get_structure (event);
GST_DEBUG ("got event %" GST_PTR_FORMAT, event);
if (structure
&& strcmp (gst_structure_get_name (structure),
"GstRTPRetransmissionRequest") == 0) {
data->rtx_event_count++;
GST_DEBUG ("rtx event count %d", data->rtx_event_count);
}
g_async_queue_push (data->src_event_queue, event);
return TRUE;
}
static void
setup_testharness (TestData * data)
{
GstPad *jb_sink_pad, *jb_src_pad;
GstSegment seg;
GstMiniObject *obj;
GstCaps *caps;
/* create the testclock */
data->clock = gst_test_clock_new ();
g_assert (data->clock);
gst_test_clock_set_time (GST_TEST_CLOCK (data->clock), 0);
/* rig up the jitter buffer */
data->jitter_buffer = gst_element_factory_make ("rtpjitterbuffer", NULL);
g_assert (data->jitter_buffer);
gst_element_set_clock (data->jitter_buffer, data->clock);
g_object_set (data->jitter_buffer, "do-lost", TRUE, NULL);
g_assert_cmpint (gst_element_set_state (data->jitter_buffer,
GST_STATE_PLAYING), !=, GST_STATE_CHANGE_FAILURE);
/* set up the buf and event queues */
data->buf_queue =
g_async_queue_new_full ((GDestroyNotify) gst_mini_object_unref);
data->sink_event_queue =
g_async_queue_new_full ((GDestroyNotify) gst_mini_object_unref);
data->src_event_queue =
g_async_queue_new_full ((GDestroyNotify) gst_mini_object_unref);
data->lost_event_count = 0;
data->rtx_event_count = 0;
/* link in the test source-pad */
data->test_src_pad = gst_pad_new ("src", GST_PAD_SRC);
gst_pad_set_element_private (data->test_src_pad, data);
gst_pad_set_event_function (data->test_src_pad, test_src_pad_event_cb);
jb_sink_pad = gst_element_get_static_pad (data->jitter_buffer, "sink");
g_assert_cmpint (gst_pad_link (data->test_src_pad, jb_sink_pad), ==,
GST_PAD_LINK_OK);
gst_object_unref (jb_sink_pad);
/* link in the test sink-pad */
data->test_sink_pad = gst_pad_new ("sink", GST_PAD_SINK);
gst_pad_set_element_private (data->test_sink_pad, data);
caps = generate_caps ();
gst_pad_set_caps (data->test_sink_pad, caps);
gst_pad_set_chain_function (data->test_sink_pad, test_sink_pad_chain_cb);
gst_pad_set_event_function (data->test_sink_pad, test_sink_pad_event_cb);
jb_src_pad = gst_element_get_static_pad (data->jitter_buffer, "src");
g_assert_cmpint (gst_pad_link (jb_src_pad, data->test_sink_pad), ==,
GST_PAD_LINK_OK);
gst_object_unref (jb_src_pad);
g_assert (gst_pad_set_active (data->test_src_pad, TRUE));
g_assert (gst_pad_set_active (data->test_sink_pad, TRUE));
gst_segment_init (&seg, GST_FORMAT_TIME);
gst_pad_push_event (data->test_src_pad,
gst_event_new_stream_start ("stream0"));
gst_pad_set_caps (data->test_src_pad, caps);
gst_pad_push_event (data->test_src_pad, gst_event_new_segment (&seg));
gst_caps_unref (caps);
obj = g_async_queue_pop (data->sink_event_queue);
gst_mini_object_unref (obj);
obj = g_async_queue_pop (data->sink_event_queue);
gst_mini_object_unref (obj);
obj = g_async_queue_pop (data->sink_event_queue);
gst_mini_object_unref (obj);
}
static void
destroy_testharness (TestData * data)
{
/* clean up */
g_assert_cmpint (gst_element_set_state (data->jitter_buffer, GST_STATE_NULL),
==, GST_STATE_CHANGE_SUCCESS);
gst_object_unref (data->jitter_buffer);
data->jitter_buffer = NULL;
gst_object_unref (data->test_src_pad);
data->test_src_pad = NULL;
gst_object_unref (data->test_sink_pad);
data->test_sink_pad = NULL;
gst_object_unref (data->clock);
data->clock = NULL;
g_async_queue_unref (data->buf_queue);
data->buf_queue = NULL;
g_async_queue_unref (data->sink_event_queue);
data->sink_event_queue = NULL;
g_async_queue_unref (data->src_event_queue);
data->src_event_queue = NULL;
data->lost_event_count = 0;
}
static void
verify_lost_event (GstEvent * event, guint32 expected_seqnum,
GstClockTime expected_timestamp, GstClockTime expected_duration)
{
const GstStructure *s = gst_event_get_structure (event);
const GValue *value;
guint32 seqnum;
GstClockTime timestamp;
GstClockTime duration;
g_assert (gst_structure_get_uint (s, "seqnum", &seqnum));
value = gst_structure_get_value (s, "timestamp");
g_assert (value && G_VALUE_HOLDS_UINT64 (value));
timestamp = g_value_get_uint64 (value);
value = gst_structure_get_value (s, "duration");
g_assert (value && G_VALUE_HOLDS_UINT64 (value));
duration = g_value_get_uint64 (value);
fail_unless_equals_int (seqnum, expected_seqnum);
fail_unless_equals_int (timestamp, expected_timestamp);
fail_unless_equals_int (duration, expected_duration);
gst_event_unref (event);
}
static void
verify_rtx_event (GstEvent * event, guint32 expected_seqnum,
GstClockTime expected_timestamp, guint expected_delay,
GstClockTime expected_spacing)
{
const GstStructure *s = gst_event_get_structure (event);
const GValue *value;
guint32 seqnum;
GstClockTime timestamp, spacing;
guint delay;
g_assert (gst_structure_get_uint (s, "seqnum", &seqnum));
value = gst_structure_get_value (s, "running-time");
g_assert (value && G_VALUE_HOLDS_UINT64 (value));
timestamp = g_value_get_uint64 (value);
value = gst_structure_get_value (s, "delay");
g_assert (value && G_VALUE_HOLDS_UINT (value));
delay = g_value_get_uint (value);
value = gst_structure_get_value (s, "packet-spacing");
g_assert (value && G_VALUE_HOLDS_UINT64 (value));
spacing = g_value_get_uint64 (value);
g_assert_cmpint (seqnum, ==, expected_seqnum);
g_assert_cmpint (timestamp, ==, expected_timestamp);
g_assert_cmpint (delay, ==, expected_delay);
g_assert_cmpint (spacing, ==, expected_spacing);
gst_event_unref (event);
}
GST_START_TEST (test_only_one_lost_event_on_large_gaps)
{
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
GstTestClock *testclock;
GstClockID id, test_id;
GstBuffer *out_buf;
GstEvent *out_event;
gint jb_latency_ms = 200;
gint num_lost_events = jb_latency_ms / PCMU_BUF_MS;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
gst_harness_set_src_caps (h, generate_caps ());
gst_harness_use_testclock (h);
testclock = gst_harness_get_testclock (h);
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
/* push the first buffer in */
gst_harness_push (h, generate_test_buffer (0));
/* wait for the first buffer to be synced to timestamp + latency */
gst_test_clock_wait_for_next_pending_id (testclock, &id);
/* increase the time to timestamp + latency and release the wait */
gst_test_clock_set_time (testclock, jb_latency_ms * GST_MSECOND);
test_id = gst_test_clock_process_next_clock_id (testclock);
fail_unless (id == test_id);
gst_clock_id_unref (test_id);
gst_clock_id_unref (id);
/* check for the buffer coming out that was pushed in */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert_cmpint (GST_BUFFER_DTS (out_buf), ==, 0);
g_assert_cmpint (GST_BUFFER_PTS (out_buf), ==, 0);
gst_buffer_unref (out_buf);
/* move time ahead to just before 10 seconds */
gst_test_clock_set_time (testclock, 10 * GST_SECOND - 1);
/* check that we have no pending waits */
fail_unless_equals_int (0, gst_test_clock_peek_id_count (testclock));
/* a buffer now arrives perfectly on time */
gst_harness_push (h, generate_test_buffer (500));
/* release the wait, advancing the clock to 10 sec */
gst_harness_crank_single_clock_wait (h);
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
for (int i = 0; i < 3; i++)
gst_event_unref (gst_harness_pull_event (h));
/* we should now receive a packet-lost-event for buffers 1 through 489 ... */
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 1, 1 * PCMU_BUF_DURATION,
PCMU_BUF_DURATION * 489);
/* ... as well as 490 (since at 10 sec 490 is too late) */
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 490, 490 * PCMU_BUF_DURATION,
PCMU_BUF_DURATION);
/* we get as many lost events as the the number of *
* buffers the jitterbuffer is able to wait for */
for (int i = 1; i < num_lost_events; i++) {
gst_harness_crank_single_clock_wait (h);
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 490 + i, (490 + i) * PCMU_BUF_DURATION,
PCMU_BUF_DURATION);
}
/* and then the buffer is released */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, 500);
gst_rtp_buffer_unmap (&rtp);
g_assert_cmpint (GST_BUFFER_DTS (out_buf), ==, (10 * GST_SECOND));
g_assert_cmpint (GST_BUFFER_PTS (out_buf), ==, (10 * GST_SECOND));
gst_buffer_unref (out_buf);
gst_object_unref (testclock);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_two_lost_one_arrives_in_time)
{
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
GstTestClock *testclock;
GstClockID id;
GstBuffer *out_buf;
GstEvent *out_event;
gint jb_latency_ms = 100; /* FIXME: setting this to 10 produces a
* strange result (30ms lost event),
* find out why! */
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
GstClockTime buffer_time;
gint b;
gst_harness_set_src_caps (h, generate_caps ());
gst_harness_use_testclock (h);
testclock = gst_harness_get_testclock (h);
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
/* push the first buffer through */
gst_harness_push (h, generate_test_buffer (0));
gst_harness_crank_single_clock_wait (h);
gst_buffer_unref (gst_harness_pull (h));
/* push some buffers arriving in perfect time! */
for (b = 1; b < 3; b++) {
buffer_time = b * PCMU_BUF_DURATION;
gst_harness_push (h, generate_test_buffer (b));
/* check for the buffer coming out that was pushed in */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert_cmpint (GST_BUFFER_DTS (out_buf), ==, buffer_time);
g_assert_cmpint (GST_BUFFER_PTS (out_buf), ==, buffer_time);
gst_buffer_unref (out_buf);
}
/* hop over 2 packets and make another one (gap of 2) */
b = 5;
buffer_time = b * PCMU_BUF_DURATION;
gst_harness_push (h, generate_test_buffer (b));
/* verify that the jitterbuffer now wait for the latest moment it can push */
/* the first lost buffer (buffer 3) out on
* (buffer-timestamp (60) + latency (100) = 160) */
gst_test_clock_wait_for_next_pending_id (testclock, &id);
g_assert_cmpint (gst_clock_id_get_time (id), ==,
(3 * PCMU_BUF_DURATION) + (jb_latency_ms * GST_MSECOND));
gst_clock_id_unref (id);
/* let the time expire... */
gst_harness_crank_single_clock_wait (h);
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
for (int i = 0; i < 3; i++)
gst_event_unref (gst_harness_pull_event (h));
/* we should now receive a packet-lost-event for buffer 3 */
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 3, 3 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
/* buffer 4 now arrives just in time (time is 70, buffer 4 expires at 90) */
b = 4;
buffer_time = b * PCMU_BUF_DURATION;
gst_harness_push (h, generate_test_buffer (b));
/* verify that buffer 4 made it through! */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, 4);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
/* and see that buffer 5 now arrives in a normal fashion */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert (!GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, 5);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
gst_object_unref (testclock);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_late_packets_still_makes_lost_events)
{
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
GstTestClock *testclock;
GstBuffer *out_buf;
GstEvent *out_event;
gint jb_latency_ms = 100;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
GstClockTime buffer_time;
gint b;
gst_harness_set_src_caps (h, generate_caps ());
gst_harness_use_testclock (h);
testclock = gst_harness_get_testclock (h);
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
/* advance the clock with 10 seconds */
gst_test_clock_set_time (testclock, 10 * GST_SECOND);
/* push the first buffer through */
gst_buffer_unref (gst_harness_push_and_pull (h, generate_test_buffer (0)));
/* push some buffers arriving in perfect time! */
for (b = 1; b < 3; b++) {
buffer_time = b * PCMU_BUF_DURATION;
gst_harness_push (h, generate_test_buffer (b));
/* check for the buffer coming out that was pushed in */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert_cmpint (GST_BUFFER_DTS (out_buf), ==, buffer_time);
g_assert_cmpint (GST_BUFFER_PTS (out_buf), ==, buffer_time);
gst_buffer_unref (out_buf);
}
/* hop over 2 packets and make another one (gap of 2) */
b = 5;
buffer_time = b * PCMU_BUF_DURATION;
gst_harness_push (h, generate_test_buffer (b));
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
for (int i = 0; i < 3; i++)
gst_event_unref (gst_harness_pull_event (h));
/* we should now receive packet-lost-events for buffer 3 and 4 */
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 3, 3 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 4, 4 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
/* verify that buffer 5 made it through! */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, 5);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
gst_object_unref (testclock);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_all_packets_are_timestamped_zero)
{
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
GstTestClock *testclock;
GstBuffer *out_buf;
GstEvent *out_event;
gint jb_latency_ms = 100;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
gint b;
gst_harness_set_src_caps (h, generate_caps ());
gst_harness_use_testclock (h);
testclock = gst_harness_get_testclock (h);
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
/* advance the clock with 10 seconds */
gst_test_clock_set_time (testclock, 10 * GST_SECOND);
/* push the first buffer through */
gst_buffer_unref (gst_harness_push_and_pull (h, generate_test_buffer (0)));
/* push some buffers in, all timestamped 0 */
for (b = 1; b < 3; b++) {
gst_harness_push (h, generate_test_buffer_full (0 * GST_MSECOND, TRUE, b,
0));
/* check for the buffer coming out that was pushed in */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert_cmpint (GST_BUFFER_DTS (out_buf), ==, 0);
g_assert_cmpint (GST_BUFFER_PTS (out_buf), ==, 0);
gst_buffer_unref (out_buf);
}
/* hop over 2 packets and make another one (gap of 2) */
b = 5;
gst_harness_push (h, generate_test_buffer_full (0 * GST_MSECOND, TRUE, b, 0));
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
for (int i = 0; i < 3; i++)
gst_event_unref (gst_harness_pull_event (h));
/* we should now receive packet-lost-events for buffer 3 and 4 */
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 3, 0, 0);
out_event = gst_harness_pull_event (h);
g_assert (out_event != NULL);
verify_lost_event (out_event, 4, 0, 0);
/* verify that buffer 5 made it through! */
out_buf = gst_harness_pull (h);
g_assert (out_buf != NULL);
g_assert (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, 5);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
gst_object_unref (testclock);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_rtx_expected_next)
{
TestData data;
GstClockID id, tid;
GstBuffer *in_buf, *out_buf;
GstEvent *out_event;
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);
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);
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_clock_id_unref (id);
/* put second buffer, the jitterbuffer should now know that the packet
* spacing is 20ms and should ask for retransmission of seqnum 2 in
* 20ms+10ms because 2*jitter==0 and 0.5*packet_spacing==10ms */
in_buf = generate_test_buffer (1);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 50 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (tid == id);
gst_clock_id_unref (tid);
gst_clock_id_unref (id);
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 2, 40 * GST_MSECOND, 10, PCMU_BUF_DURATION);
/* now we wait for the next timeout, all following timeouts 40ms in the
* future because this is rtx-retry-timeout */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 90 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (tid);
gst_clock_id_unref (id);
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 2, 40 * GST_MSECOND, 50, PCMU_BUF_DURATION);
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 130 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (tid);
gst_clock_id_unref (id);
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 2, 40 * GST_MSECOND, 90, PCMU_BUF_DURATION);
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 200 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (tid);
gst_clock_id_unref (id);
out_buf = g_async_queue_pop (data.buf_queue);
g_assert (out_buf != NULL);
gst_buffer_unref (out_buf);
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 240 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (tid == id);
gst_clock_id_unref (tid);
gst_clock_id_unref (id);
/* we should now receive a packet-lost-event for buffer 2 */
out_event = g_async_queue_pop (data.sink_event_queue);
g_assert (out_event != NULL);
verify_lost_event (out_event, 2, 40 * GST_MSECOND, PCMU_BUF_DURATION);
destroy_testharness (&data);
}
GST_END_TEST;
GST_START_TEST (test_rtx_two_missing)
{
TestData data;
GstClockID id, tid;
GstBuffer *in_buf, *out_buf;
GstEvent *out_event;
gint jb_latency_ms = 200;
gint i;
GstStructure *rtx_stats;
const GValue *rtx_stat;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
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);
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 in
* 20ms+10ms because 2*jitter==0 and 0.5*packet_spacing==10ms */
in_buf = generate_test_buffer (1);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* push buffer 4, 2 and 3 are missing now, we should get
* retransmission events for 3 at 100ms*/
in_buf = generate_test_buffer (4);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* wait for first retransmission request */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 50 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
/* First event for 2 */
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 2, 40 * GST_MSECOND, 10, PCMU_BUF_DURATION);
/* wait for second retransmission request */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 60 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
/* Second event for 3 */
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 3, 60 * GST_MSECOND, 0, PCMU_BUF_DURATION);
/* now we wait for the next timeout for 2 */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 90 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
/* First event for 2 */
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 2, 40 * GST_MSECOND, 50, PCMU_BUF_DURATION);
/* now we wait for the next timeout for 3 */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 100 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
/* Second event for 3 */
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 3, 60 * GST_MSECOND, 40, PCMU_BUF_DURATION);
/* make buffer 3 */
in_buf = generate_test_buffer (3);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* make more buffers */
for (i = 5; i < 15; i++) {
in_buf = generate_test_buffer (i);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
}
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 130 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
/* now we only get requests for 2 */
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 2, 40 * GST_MSECOND, 90, PCMU_BUF_DURATION);
/* this is when buffer 0 deadline expires */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 200 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
for (i = 0; i < 2; i++) {
GST_DEBUG ("popping %d", i);
out_buf = g_async_queue_pop (data.buf_queue);
g_assert (out_buf != NULL);
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, i);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
}
/* this is when 2 is lost */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 240 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
/* we should now receive a packet-lost-event for buffer 2 */
out_event = g_async_queue_pop (data.sink_event_queue);
g_assert (out_event != NULL);
verify_lost_event (out_event, 2, 40 * GST_MSECOND, PCMU_BUF_DURATION);
/* verify that buffers made it through! */
for (i = 3; i < 15; i++) {
GST_DEBUG ("popping %d", i);
out_buf = g_async_queue_pop (data.buf_queue);
g_assert (out_buf != NULL);
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, i);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
}
/* should still have only seen 1 packet lost events */
g_assert_cmpint (data.lost_event_count, ==, 1);
g_object_get (data.jitter_buffer, "stats", &rtx_stats, NULL);
rtx_stat = gst_structure_get_value (rtx_stats, "rtx-count");
g_assert_cmpuint (g_value_get_uint64 (rtx_stat), ==, 5);
rtx_stat = gst_structure_get_value (rtx_stats, "rtx-success-count");
g_assert_cmpuint (g_value_get_uint64 (rtx_stat), ==, 1);
rtx_stat = gst_structure_get_value (rtx_stats, "rtx-rtt");
g_assert_cmpuint (g_value_get_uint64 (rtx_stat), ==, 0);
gst_structure_free (rtx_stats);
destroy_testharness (&data);
}
GST_END_TEST;
GST_START_TEST (test_rtx_packet_delay)
{
TestData data;
GstClockID id, tid;
GstBuffer *in_buf, *out_buf;
GstEvent *out_event;
gint jb_latency_ms = 200;
gint i;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
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);
/* push the first buffer in */
in_buf = generate_test_buffer (0);
GST_BUFFER_FLAG_SET (in_buf, GST_BUFFER_FLAG_DISCONT);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* put second buffer, the jitterbuffer should now know that the packet
* spacing is 20ms and should ask for retransmission of seqnum 2 in
* 20ms+10ms because 2*jitter==0 and 0.5*packet_spacing==10ms */
in_buf = generate_test_buffer (1);
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 to 20ms. 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_full (20 * GST_MSECOND, TRUE, 8,
8 * PCMU_RTP_TS_DURATION);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* we should now receive retransmission requests for 2 -> 5 */
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 2, 20 * GST_MSECOND, 30, PCMU_BUF_DURATION);
for (i = 3; i < 5; i++) {
GST_DEBUG ("popping %d", i);
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, i, 20 * GST_MSECOND, 0, PCMU_BUF_DURATION);
}
g_assert_cmpint (data.rtx_event_count, ==, 3);
/* push 9, this should immediately request retransmission of 5 */
in_buf =
generate_test_buffer_full (20 * GST_MSECOND, TRUE, 9,
9 * PCMU_RTP_TS_DURATION);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* we should now receive retransmission requests for 5 */
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, 5, 20 * GST_MSECOND, 0, PCMU_BUF_DURATION);
/* wait for timeout for rtx 6 -> 7 */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_advance_time (GST_TEST_CLOCK (data.clock), GST_MSECOND * 60);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
for (i = 6; i < 8; i++) {
GST_DEBUG ("popping %d", i);
out_event = g_async_queue_pop (data.src_event_queue);
g_assert (out_event != NULL);
verify_rtx_event (out_event, i, 20 * GST_MSECOND, 0, PCMU_BUF_DURATION);
}
/* churn through sync_times until the new buffer gets pushed out */
while (g_async_queue_length (data.buf_queue) < 1) {
if (gst_test_clock_peek_next_pending_id (GST_TEST_CLOCK (data.clock), &id)) {
GstClockTime t = gst_clock_id_get_time (id);
if (t >= 240 * GST_MSECOND) {
gst_clock_id_unref (id);
break;
}
if (t > gst_clock_get_time (data.clock)) {
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), t);
}
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
}
}
/* verify that buffer 0 and 1 made it through! */
for (i = 0; i < 2; i++) {
out_buf = g_async_queue_pop (data.buf_queue);
g_assert (out_buf != NULL);
if (i == 0)
g_assert (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, i);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
}
/* churn through sync_times until the next buffer gets pushed out */
while (g_async_queue_length (data.buf_queue) < 1) {
if (gst_test_clock_peek_next_pending_id (GST_TEST_CLOCK (data.clock), &id)) {
GstClockTime t = gst_clock_id_get_time (id);
if (t >= 240 * GST_MSECOND) {
gst_clock_id_unref (id);
break;
}
if (t > gst_clock_get_time (data.clock)) {
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), t);
}
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
}
}
for (i = 2; i < 8; i++) {
GST_DEBUG ("popping lost event %d", i);
out_event = g_async_queue_pop (data.sink_event_queue);
g_assert (out_event != NULL);
verify_lost_event (out_event, i, 20 * GST_MSECOND, 0);
}
/* verify that buffer 8 made it through! */
for (i = 8; i < 10; i++) {
GST_DEBUG ("popping buffer %d", i);
out_buf = g_async_queue_pop (data.buf_queue);
g_assert (out_buf != NULL);
if (i == 8)
g_assert (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
gst_rtp_buffer_map (out_buf, GST_MAP_READ, &rtp);
g_assert_cmpint (gst_rtp_buffer_get_seq (&rtp), ==, i);
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (out_buf);
}
GST_DEBUG ("waiting for 240ms");
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 240 * GST_MSECOND);
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (id == tid);
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
GST_DEBUG ("popping lost event 10");
out_event = g_async_queue_pop (data.sink_event_queue);
g_assert (out_event != NULL);
verify_lost_event (out_event, 10, 40 * GST_MSECOND, PCMU_BUF_DURATION);
/* should have seen 6 packet lost events */
g_assert_cmpint (data.lost_event_count, ==, 7);
g_assert_cmpint (data.rtx_event_count, ==, 26);
destroy_testharness (&data);
}
GST_END_TEST;
GST_START_TEST (test_gap_exceeds_latency)
{
TestData data;
GstBuffer *in_buf, *out_buf;
GstClockID id, tid;
GstEvent *out_event;
guint32 timestamp_ms = 0;
guint32 last_ts = 0;
gint jb_latency_ms = 200;
guint32 rtp_ts = 0;
guint32 last_rtp = 0;
const GstStructure *s = NULL;
guint32 seqnum = 0;
gint i;
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);
in_buf =
generate_test_buffer_full (timestamp_ms * GST_MSECOND, TRUE, 0, rtp_ts);
GST_BUFFER_FLAG_SET (in_buf, GST_BUFFER_FLAG_DISCONT);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
timestamp_ms += 20;
rtp_ts += PCMU_RTP_TS_DURATION;
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock),
timestamp_ms * GST_MSECOND);
in_buf =
generate_test_buffer_full (timestamp_ms * GST_MSECOND, TRUE, 1, rtp_ts);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_rtp = rtp_ts;
last_ts = timestamp_ms;
/* Allow seqnum 2 to be declared lost */
do {
out_event = g_async_queue_try_pop (data.sink_event_queue);
if (!out_event) {
if (gst_test_clock_peek_next_pending_id (GST_TEST_CLOCK (data.clock),
&id)) {
GstClockTime t = gst_clock_id_get_time (id);
if (t > gst_clock_get_time (data.clock)) {
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), t);
}
tid =
gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
}
}
} while (!out_event);
out_buf = g_async_queue_pop (data.buf_queue);
gst_buffer_unref (out_buf);
out_buf = g_async_queue_pop (data.buf_queue);
gst_buffer_unref (out_buf);
timestamp_ms += (20 * 15);
s = gst_event_get_structure (out_event);
g_assert (gst_structure_get_uint (s, "seqnum", &seqnum));
g_assert_cmpint (seqnum, ==, 2);
gst_event_unref (out_event);
/* Now data comes in again, a "bulk" lost packet is created for 3 -> 5 */
rtp_ts += (PCMU_RTP_TS_DURATION * 15);
in_buf =
generate_test_buffer_full (timestamp_ms * GST_MSECOND, TRUE, 16, rtp_ts);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += 60;
last_rtp += 480;
in_buf = generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 8, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += PCMU_BUF_MS;
last_rtp += PCMU_RTP_TS_DURATION;
in_buf = generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 9, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += PCMU_BUF_MS;
last_rtp += PCMU_RTP_TS_DURATION;
in_buf =
generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 10, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += PCMU_BUF_MS;
last_rtp += PCMU_RTP_TS_DURATION;
in_buf =
generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 11, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += PCMU_BUF_MS;
last_rtp += PCMU_RTP_TS_DURATION;
in_buf =
generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 12, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += PCMU_BUF_MS;
last_rtp += PCMU_RTP_TS_DURATION;
in_buf =
generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 13, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += PCMU_BUF_MS;
last_rtp += PCMU_RTP_TS_DURATION;
in_buf =
generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 14, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
last_ts += PCMU_BUF_MS;
last_rtp += PCMU_RTP_TS_DURATION;
in_buf =
generate_test_buffer_full (last_ts * GST_MSECOND, TRUE, 15, last_rtp);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* Wait for data to be pushed. */
while (g_async_queue_length (data.buf_queue) < 1) {
if (gst_test_clock_peek_next_pending_id (GST_TEST_CLOCK (data.clock), &id)) {
GstClockTime t = gst_clock_id_get_time (id);
if (t > gst_clock_get_time (data.clock)) {
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), t);
}
tid = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
}
}
out_event = g_async_queue_pop (data.sink_event_queue);
s = gst_event_get_structure (out_event);
g_assert (gst_structure_get_uint (s, "seqnum", &seqnum));
g_assert_cmpint (seqnum, ==, 3);
gst_event_unref (out_event);
out_event = g_async_queue_pop (data.sink_event_queue);
s = gst_event_get_structure (out_event);
g_assert (gst_structure_get_uint (s, "seqnum", &seqnum));
g_assert_cmpint (seqnum, ==, 6);
gst_event_unref (out_event);
out_event = g_async_queue_pop (data.sink_event_queue);
s = gst_event_get_structure (out_event);
g_assert (gst_structure_get_uint (s, "seqnum", &seqnum));
g_assert_cmpint (seqnum, ==, 7);
gst_event_unref (out_event);
/* 8 */
for (i = 8; i <= 16; i++) {
out_buf = g_async_queue_pop (data.buf_queue);
GST_DEBUG ("pop %d", i);
gst_buffer_unref (out_buf);
}
do {
out_event = g_async_queue_try_pop (data.sink_event_queue);
if (!out_event) {
if (gst_test_clock_peek_next_pending_id (GST_TEST_CLOCK (data.clock),
&id)) {
GstClockTime t = gst_clock_id_get_time (id);
if (t > gst_clock_get_time (data.clock)) {
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), t);
}
tid =
gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
gst_clock_id_unref (id);
gst_clock_id_unref (tid);
}
}
} while (!out_event);
/* and lost of 17 */
s = gst_event_get_structure (out_event);
g_assert (gst_structure_get_uint (s, "seqnum", &seqnum));
g_assert_cmpint (seqnum, ==, 17);
gst_event_unref (out_event);
destroy_testharness (&data);
}
GST_END_TEST;
GST_START_TEST (test_deadline_ts_offset)
{
TestData data;
GstClockID id, test_id;
GstBuffer *in_buf, *out_buf;
gint jb_latency_ms = 10;
setup_testharness (&data);
g_object_set (data.jitter_buffer, "latency", jb_latency_ms, NULL);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock), 0);
/* push the first buffer in */
in_buf = generate_test_buffer (0);
g_assert_cmpint (gst_pad_push (data.test_src_pad, in_buf), ==, GST_FLOW_OK);
/* wait_next_timeout() syncs on the deadline timer */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
g_assert_cmpint (gst_clock_id_get_time (id), ==, jb_latency_ms * GST_MSECOND);
/* add ts-offset while waiting */
g_object_set (data.jitter_buffer, "ts-offset", 20 * GST_MSECOND, NULL);
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock),
jb_latency_ms * GST_MSECOND);
test_id = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (test_id == id);
/* wait_next_timeout() syncs on the new deadline timer */
gst_test_clock_wait_for_next_pending_id (GST_TEST_CLOCK (data.clock), &id);
g_assert_cmpint (gst_clock_id_get_time (id), ==,
(20 + jb_latency_ms) * GST_MSECOND);
/* now make deadline timer timeout */
gst_test_clock_set_time (GST_TEST_CLOCK (data.clock),
(20 + jb_latency_ms) * GST_MSECOND);
test_id = gst_test_clock_process_next_clock_id (GST_TEST_CLOCK (data.clock));
g_assert (test_id == id);
gst_clock_id_unref (test_id);
gst_clock_id_unref (id);
out_buf = g_async_queue_pop (data.buf_queue);
g_assert (out_buf != NULL);
destroy_testharness (&data);
}
GST_END_TEST;
GST_START_TEST (test_dts_gap_larger_than_latency)
{
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
GstTestClock *testclock;
GstEvent *out_event;
gint jb_latency_ms = 100;
GstClockTime dts_after_gap = (jb_latency_ms + 1) * GST_MSECOND;
gst_harness_set_src_caps (h, generate_caps ());
gst_harness_use_testclock (h);
testclock = gst_harness_get_testclock (h);
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
/* push first buffer through */
gst_harness_push (h, generate_test_buffer (0));
gst_harness_crank_single_clock_wait (h);
gst_buffer_unref (gst_harness_pull (h));
/* Push packet with DTS larger than latency */
gst_harness_push (h, generate_test_buffer_full (dts_after_gap,
TRUE, 5, 5 * PCMU_RTP_TS_DURATION));
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
for (int i = 0; i < 3; i++)
gst_event_unref (gst_harness_pull_event (h));
/* Time out and verify lost events */
for (gint i = 1; i < 5; i++) {
GstClockTime dur = dts_after_gap / 5;
gst_harness_crank_single_clock_wait (h);
out_event = gst_harness_pull_event (h);
fail_unless (out_event != NULL);
verify_lost_event (out_event, i, i * dur, dur);
}
gst_object_unref (testclock);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
rtpjitterbuffer_suite (void)
{
Suite *s = suite_create ("rtpjitterbuffer");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_push_forward_seq);
tcase_add_test (tc_chain, test_push_backward_seq);
tcase_add_test (tc_chain, test_push_unordered);
tcase_add_test (tc_chain, test_basetime);
tcase_add_test (tc_chain, test_clear_pt_map);
tcase_add_test (tc_chain, test_only_one_lost_event_on_large_gaps);
tcase_add_test (tc_chain, test_two_lost_one_arrives_in_time);
tcase_add_test (tc_chain, test_late_packets_still_makes_lost_events);
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);
tcase_add_test (tc_chain, test_gap_exceeds_latency);
tcase_add_test (tc_chain, test_deadline_ts_offset);
tcase_add_test (tc_chain, test_dts_gap_larger_than_latency);
return s;
}
GST_CHECK_MAIN (rtpjitterbuffer);