mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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2524 lines
88 KiB
C
2524 lines
88 KiB
C
/* GStreamer
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*
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* Copyright (C) 2009 Nokia Corporation and its subsidary(-ies)
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* contact: <stefan.kost@nokia.com>
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* Copyright (C) 2012 Cisco Systems, Inc
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* Authors: Kelley Rogers <kelro@cisco.com>
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* Havard Graff <hgraff@cisco.com>
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* Copyright (C) 2013-2016 Pexip AS
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* Stian Selnes <stian@pexip>
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* Havard Graff <havard@pexip>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gst/check/gstcheck.h>
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#include <gst/check/gsttestclock.h>
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#include <gst/check/gstharness.h>
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#include <gst/rtp/gstrtpbuffer.h>
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/* For ease of programming we use globals to keep refs for our floating
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* src and sink pads we create; otherwise we always have to do get_pad,
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* get_peer, and then remove references in every test function */
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static GstPad *mysrcpad, *mysinkpad;
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/* we also have a list of src buffers */
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static GList *inbuffers = NULL;
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static gint num_dropped = 0;
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#define RTP_CAPS_STRING \
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"application/x-rtp, " \
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"media = (string)audio, " \
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"payload = (int) 0, " \
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"clock-rate = (int) 8000, " \
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"encoding-name = (string)PCMU"
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#define RTP_FRAME_SIZE 20
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtp")
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);
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtp, "
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"clock-rate = (int) [ 1, 2147483647 ]")
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);
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static void
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buffer_dropped (gpointer data, GstMiniObject * obj)
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{
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GST_DEBUG ("dropping buffer %p", obj);
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num_dropped++;
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}
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static GstElement *
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setup_jitterbuffer (gint num_buffers)
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{
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GstElement *jitterbuffer;
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GstClock *clock;
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GstBuffer *buffer;
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GstCaps *caps;
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/* a 20 sample audio block (2,5 ms) generated with
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* gst-launch audiotestsrc wave=silence blocksize=40 num-buffers=3 !
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* "audio/x-raw,channels=1,rate=8000" ! mulawenc ! rtppcmupay !
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* fakesink dump=1
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*/
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guint8 in[] = {
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/* first 4 bytes are rtp-header, next 4 bytes are timestamp */
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0x80, 0x80, 0x1c, 0x24, 0x46, 0xcd, 0xb7, 0x11, 0x3c, 0x3a, 0x7c, 0x5b,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
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};
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GstClockTime ts = G_GUINT64_CONSTANT (0);
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GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
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/*guint latency = GST_TIME_AS_MSECONDS (num_buffers * tso); */
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gint i;
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GST_DEBUG ("setup_jitterbuffer");
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jitterbuffer = gst_check_setup_element ("rtpjitterbuffer");
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/* we need a clock here */
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clock = gst_system_clock_obtain ();
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gst_element_set_clock (jitterbuffer, clock);
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gst_object_unref (clock);
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/* setup latency */
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/* latency would be 7 for 3 buffers here, default is 200
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g_object_set (G_OBJECT (jitterbuffer), "latency", latency, NULL);
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GST_INFO_OBJECT (jitterbuffer, "set latency to %u ms", latency);
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*/
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mysrcpad = gst_check_setup_src_pad (jitterbuffer, &srctemplate);
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mysinkpad = gst_check_setup_sink_pad (jitterbuffer, &sinktemplate);
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gst_pad_set_active (mysrcpad, TRUE);
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gst_pad_set_active (mysinkpad, TRUE);
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/* create n buffers */
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caps = gst_caps_from_string (RTP_CAPS_STRING);
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gst_check_setup_events (mysrcpad, jitterbuffer, caps, GST_FORMAT_TIME);
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gst_caps_unref (caps);
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for (i = 0; i < num_buffers; i++) {
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buffer = gst_buffer_new_and_alloc (sizeof (in));
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gst_buffer_fill (buffer, 0, in, sizeof (in));
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GST_BUFFER_DTS (buffer) = ts;
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GST_BUFFER_PTS (buffer) = ts;
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GST_BUFFER_DURATION (buffer) = tso;
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gst_mini_object_weak_ref (GST_MINI_OBJECT (buffer), buffer_dropped, NULL);
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GST_DEBUG ("created buffer: %p", buffer);
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if (!i)
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GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
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inbuffers = g_list_append (inbuffers, buffer);
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/* hackish way to update the rtp header */
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in[1] = 0x00;
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in[3]++; /* seqnumber */
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in[7] += RTP_FRAME_SIZE; /* inc. timestamp with framesize */
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ts += tso;
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}
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num_dropped = 0;
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return jitterbuffer;
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}
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static GstStateChangeReturn
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start_jitterbuffer (GstElement * jitterbuffer)
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{
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GstStateChangeReturn ret;
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GstClockTime now;
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GstClock *clock;
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clock = gst_element_get_clock (jitterbuffer);
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now = gst_clock_get_time (clock);
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gst_object_unref (clock);
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gst_element_set_base_time (jitterbuffer, now);
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ret = gst_element_set_state (jitterbuffer, GST_STATE_PLAYING);
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return ret;
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}
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static void
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cleanup_jitterbuffer (GstElement * jitterbuffer)
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{
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GST_DEBUG ("cleanup_jitterbuffer");
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g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
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g_list_free (buffers);
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buffers = NULL;
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g_list_free (inbuffers);
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inbuffers = NULL;
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gst_pad_set_active (mysrcpad, FALSE);
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gst_pad_set_active (mysinkpad, FALSE);
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gst_check_teardown_src_pad (jitterbuffer);
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gst_check_teardown_sink_pad (jitterbuffer);
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gst_check_teardown_element (jitterbuffer);
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}
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static void
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check_jitterbuffer_results (GstElement * jitterbuffer, gint num_buffers)
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{
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GstBuffer *buffer;
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GList *node;
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GstClockTime ts = G_GUINT64_CONSTANT (0);
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GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
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GstMapInfo map;
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guint16 prev_sn = 0, cur_sn;
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guint32 prev_ts = 0, cur_ts;
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/* sleep for twice the latency */
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g_usleep (400 * 1000);
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GST_INFO ("of %d buffer %d/%d received/dropped", num_buffers,
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g_list_length (buffers), num_dropped);
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/* if this fails, not all buffers have been processed */
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fail_unless_equals_int ((g_list_length (buffers) + num_dropped), num_buffers);
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/* check the buffer list */
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fail_unless_equals_int (g_list_length (buffers), num_buffers);
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for (node = buffers; node; node = g_list_next (node)) {
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fail_if ((buffer = (GstBuffer *) node->data) == NULL);
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fail_if (GST_BUFFER_PTS (buffer) != ts);
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fail_if (GST_BUFFER_DTS (buffer) != ts);
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gst_buffer_map (buffer, &map, GST_MAP_READ);
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cur_sn = ((guint16) map.data[2] << 8) | map.data[3];
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cur_ts = ((guint32) map.data[4] << 24) | ((guint32) map.data[5] << 16) |
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((guint32) map.data[6] << 8) | map.data[7];
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gst_buffer_unmap (buffer, &map);
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if (node != buffers) {
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fail_unless (cur_sn > prev_sn);
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fail_unless (cur_ts > prev_ts);
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prev_sn = cur_sn;
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prev_ts = cur_ts;
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}
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ts += tso;
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}
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}
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GST_START_TEST (test_push_forward_seq)
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{
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GstElement *jitterbuffer;
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const guint num_buffers = 3;
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GstBuffer *buffer;
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GList *node;
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jitterbuffer = setup_jitterbuffer (num_buffers);
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fail_unless (start_jitterbuffer (jitterbuffer)
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== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
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/* push buffers: 0,1,2, */
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for (node = inbuffers; node; node = g_list_next (node)) {
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buffer = (GstBuffer *) node->data;
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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}
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/* check the buffer list */
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check_jitterbuffer_results (jitterbuffer, num_buffers);
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/* cleanup */
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cleanup_jitterbuffer (jitterbuffer);
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}
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GST_END_TEST;
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GST_START_TEST (test_push_backward_seq)
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{
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GstElement *jitterbuffer;
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const guint num_buffers = 4;
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GstBuffer *buffer;
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GList *node;
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jitterbuffer = setup_jitterbuffer (num_buffers);
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fail_unless (start_jitterbuffer (jitterbuffer)
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== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
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/* push buffers: 0,3,2,1 */
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buffer = (GstBuffer *) inbuffers->data;
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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for (node = g_list_last (inbuffers); node != inbuffers;
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node = g_list_previous (node)) {
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buffer = (GstBuffer *) node->data;
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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}
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/* check the buffer list */
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check_jitterbuffer_results (jitterbuffer, num_buffers);
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/* cleanup */
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cleanup_jitterbuffer (jitterbuffer);
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}
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GST_END_TEST;
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GST_START_TEST (test_push_unordered)
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{
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GstElement *jitterbuffer;
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const guint num_buffers = 4;
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GstBuffer *buffer;
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jitterbuffer = setup_jitterbuffer (num_buffers);
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fail_unless (start_jitterbuffer (jitterbuffer)
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== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
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/* push buffers; 0,2,1,3 */
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buffer = (GstBuffer *) inbuffers->data;
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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buffer = g_list_nth_data (inbuffers, 2);
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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buffer = g_list_nth_data (inbuffers, 1);
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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buffer = g_list_nth_data (inbuffers, 3);
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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/* check the buffer list */
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check_jitterbuffer_results (jitterbuffer, num_buffers);
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/* cleanup */
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cleanup_jitterbuffer (jitterbuffer);
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}
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GST_END_TEST;
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GST_START_TEST (test_basetime)
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{
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GstElement *jitterbuffer;
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const guint num_buffers = 3;
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GstBuffer *buffer;
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GList *node;
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GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
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jitterbuffer = setup_jitterbuffer (num_buffers);
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fail_unless (start_jitterbuffer (jitterbuffer)
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== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
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/* push buffers: 2,1,0 */
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for (node = g_list_last (inbuffers); node; node = g_list_previous (node)) {
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buffer = (GstBuffer *) node->data;
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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}
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/* sleep for twice the latency */
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g_usleep (400 * 1000);
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/* if this fails, not all buffers have been processed */
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fail_unless_equals_int ((g_list_length (buffers) + num_dropped), num_buffers);
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buffer = (GstBuffer *) buffers->data;
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fail_unless (GST_BUFFER_DTS (buffer) != (num_buffers * tso));
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fail_unless (GST_BUFFER_PTS (buffer) != (num_buffers * tso));
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/* cleanup */
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cleanup_jitterbuffer (jitterbuffer);
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}
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GST_END_TEST;
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static GstCaps *
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request_pt_map (GstElement * jitterbuffer, guint pt)
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{
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fail_unless (pt == 0);
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return gst_caps_from_string (RTP_CAPS_STRING);
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}
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GST_START_TEST (test_clear_pt_map)
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{
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GstElement *jitterbuffer;
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const guint num_buffers = 10;
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gint i;
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GstBuffer *buffer;
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GList *node;
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jitterbuffer = setup_jitterbuffer (num_buffers);
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fail_unless (start_jitterbuffer (jitterbuffer)
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== GST_STATE_CHANGE_SUCCESS, "could not set to playing");
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g_signal_connect (jitterbuffer, "request-pt-map", (GCallback)
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request_pt_map, NULL);
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/* push buffers: 0,1,2, */
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for (node = inbuffers, i = 0; node && i < 3; node = g_list_next (node), i++) {
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buffer = (GstBuffer *) node->data;
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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}
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g_usleep (400 * 1000);
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g_signal_emit_by_name (jitterbuffer, "clear-pt-map", NULL);
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for (; node && i < 10; node = g_list_next (node), i++) {
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buffer = (GstBuffer *) node->data;
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fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
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}
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/* check the buffer list */
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check_jitterbuffer_results (jitterbuffer, num_buffers);
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/* cleanup */
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cleanup_jitterbuffer (jitterbuffer);
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}
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GST_END_TEST;
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#define PCMU_BUF_CLOCK_RATE 8000
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#define PCMU_BUF_PT 0
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#define PCMU_BUF_SSRC 0x01BADBAD
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#define PCMU_BUF_MS 20
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#define PCMU_BUF_DURATION (PCMU_BUF_MS * GST_MSECOND)
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#define PCMU_BUF_SIZE (64000 * PCMU_BUF_MS / 1000)
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#define PCMU_RTP_TS_DURATION (PCMU_BUF_CLOCK_RATE * PCMU_BUF_MS / 1000)
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|
||
typedef struct
|
||
{
|
||
GstElement *jitter_buffer;
|
||
GstPad *test_sink_pad, *test_src_pad;
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||
GstClock *clock;
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||
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 *
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||
generate_test_buffer_full (GstClockTime gst_ts,
|
||
gboolean marker_bit, guint seq_num, guint32 rtp_ts)
|
||
{
|
||
GstBuffer *buf;
|
||
guint8 *payload;
|
||
guint i;
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||
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
|
||
|
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buf = gst_rtp_buffer_new_allocate (PCMU_BUF_SIZE, 0, 0);
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||
GST_BUFFER_DTS (buf) = gst_ts;
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||
GST_BUFFER_PTS (buf) = gst_ts;
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||
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gst_rtp_buffer_map (buf, GST_MAP_READWRITE, &rtp);
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gst_rtp_buffer_set_payload_type (&rtp, PCMU_BUF_PT);
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gst_rtp_buffer_set_marker (&rtp, marker_bit);
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||
gst_rtp_buffer_set_seq (&rtp, seq_num);
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||
gst_rtp_buffer_set_timestamp (&rtp, rtp_ts);
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||
gst_rtp_buffer_set_ssrc (&rtp, PCMU_BUF_SSRC);
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||
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payload = gst_rtp_buffer_get_payload (&rtp);
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||
for (i = 0; i < PCMU_BUF_SIZE; i++)
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||
payload[i] = 0xff;
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||
|
||
gst_rtp_buffer_unmap (&rtp);
|
||
|
||
return buf;
|
||
}
|
||
|
||
static GstBuffer *
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||
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 GstBuffer *
|
||
generate_test_buffer_rtx (GstClockTime dts, guint seq_num)
|
||
{
|
||
GstBuffer *buffer = generate_test_buffer_full (dts, TRUE, seq_num,
|
||
seq_num * PCMU_RTP_TS_DURATION);
|
||
GST_BUFFER_FLAG_SET (buffer, GST_RTP_BUFFER_FLAG_RETRANSMISSION);
|
||
return buffer;
|
||
}
|
||
|
||
static gint
|
||
get_rtp_seq_num (GstBuffer * buf)
|
||
{
|
||
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
|
||
gint seq;
|
||
gst_rtp_buffer_map (buf, GST_MAP_READ, &rtp);
|
||
seq = gst_rtp_buffer_get_seq (&rtp);
|
||
gst_rtp_buffer_unmap (&rtp);
|
||
return seq;
|
||
}
|
||
|
||
static void
|
||
verify_lost_event (GstEvent * event, guint16 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;
|
||
|
||
fail_unless (event != NULL);
|
||
fail_unless (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");
|
||
fail_unless (value && G_VALUE_HOLDS_UINT64 (value));
|
||
duration = g_value_get_uint64 (value);
|
||
|
||
fail_unless_equals_int (expected_seqnum, seqnum);
|
||
fail_unless_equals_int (expected_timestamp, timestamp);
|
||
fail_unless_equals_int (expected_duration, 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;
|
||
|
||
fail_unless (event);
|
||
fail_unless (gst_structure_get_uint (s, "seqnum", &seqnum));
|
||
|
||
value = gst_structure_get_value (s, "running-time");
|
||
fail_unless (value && G_VALUE_HOLDS_UINT64 (value));
|
||
timestamp = g_value_get_uint64 (value);
|
||
|
||
value = gst_structure_get_value (s, "delay");
|
||
fail_unless (value && G_VALUE_HOLDS_UINT (value));
|
||
delay = g_value_get_uint (value);
|
||
|
||
value = gst_structure_get_value (s, "packet-spacing");
|
||
fail_unless (value && G_VALUE_HOLDS_UINT64 (value));
|
||
spacing = g_value_get_uint64 (value);
|
||
|
||
fail_unless_equals_int (expected_seqnum, seqnum);
|
||
fail_unless_equals_int (expected_timestamp, timestamp);
|
||
fail_unless_equals_int (expected_delay, delay);
|
||
fail_unless_equals_int (expected_spacing, spacing);
|
||
|
||
gst_event_unref (event);
|
||
}
|
||
|
||
static gboolean
|
||
verify_jb_stats (GstElement * jb, GstStructure * expected)
|
||
{
|
||
gboolean ret;
|
||
GstStructure *actual;
|
||
g_object_get (jb, "stats", &actual, NULL);
|
||
|
||
ret = gst_structure_is_subset (actual, expected);
|
||
|
||
if (!ret) {
|
||
gchar *e_str = gst_structure_to_string (expected);
|
||
gchar *a_str = gst_structure_to_string (actual);
|
||
fail_unless (ret, "%s is not a subset of %s", e_str, a_str);
|
||
g_free (e_str);
|
||
g_free (a_str);
|
||
}
|
||
|
||
gst_structure_free (expected);
|
||
gst_structure_free (actual);
|
||
|
||
return ret;
|
||
}
|
||
|
||
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;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
/* Need to set max-misorder-time and max-dropout-time to 0 so the
|
||
* jitterbuffer does not base them on packet rate calculations.
|
||
* If it does, out gap is big enough to be considered a new stream and
|
||
* we wait for a few consecutive packets just to be sure
|
||
*/
|
||
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms,
|
||
"max-misorder-time", 0, "max-dropout-time", 0, NULL);
|
||
|
||
/* push the first buffer in */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
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);
|
||
fail_unless_equals_uint64 (0, GST_BUFFER_DTS (out_buf));
|
||
fail_unless_equals_uint64 (0, GST_BUFFER_PTS (out_buf));
|
||
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 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (500)));
|
||
|
||
/* release the wait, advancing the clock to 10 sec */
|
||
fail_unless (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);
|
||
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);
|
||
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++) {
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
out_event = gst_harness_pull_event (h);
|
||
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);
|
||
fail_unless (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
|
||
fail_unless_equals_int (500, get_rtp_seq_num (out_buf));
|
||
fail_unless_equals_uint64 (10 * GST_SECOND, GST_BUFFER_DTS (out_buf));
|
||
fail_unless_equals_uint64 (10 * GST_SECOND, GST_BUFFER_PTS (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-lost", G_TYPE_UINT64, (guint64) 499, NULL)));
|
||
|
||
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! */
|
||
GstClockTime buffer_time;
|
||
gint b;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
|
||
|
||
/* push the first buffer through */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (0)));
|
||
fail_unless (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;
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (b)));
|
||
|
||
/* check for the buffer coming out that was pushed in */
|
||
out_buf = gst_harness_pull (h);
|
||
fail_unless_equals_uint64 (buffer_time, GST_BUFFER_DTS (out_buf));
|
||
fail_unless_equals_uint64 (buffer_time, GST_BUFFER_PTS (out_buf));
|
||
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);
|
||
fail_unless_equals_uint64 (3 * PCMU_BUF_DURATION +
|
||
jb_latency_ms * GST_MSECOND, gst_clock_id_get_time (id));
|
||
gst_clock_id_unref (id);
|
||
|
||
/* let the time expire... */
|
||
fail_unless (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);
|
||
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;
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (b)));
|
||
|
||
/* verify that buffer 4 made it through! */
|
||
out_buf = gst_harness_pull (h);
|
||
fail_unless (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
|
||
fail_unless_equals_int (4, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
|
||
/* and see that buffer 5 now arrives in a normal fashion */
|
||
out_buf = gst_harness_pull (h);
|
||
fail_unless (!GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
|
||
fail_unless_equals_int (5, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) 5,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 1, NULL)));
|
||
|
||
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;
|
||
GstClockTime buffer_time;
|
||
gint b;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
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;
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (b)));
|
||
|
||
/* check for the buffer coming out that was pushed in */
|
||
out_buf = gst_harness_pull (h);
|
||
fail_unless_equals_uint64 (buffer_time, GST_BUFFER_DTS (out_buf));
|
||
fail_unless_equals_uint64 (buffer_time, GST_BUFFER_PTS (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
}
|
||
|
||
/* hop over 2 packets and make another one (gap of 2) */
|
||
b = 5;
|
||
buffer_time = b * PCMU_BUF_DURATION;
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
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);
|
||
verify_lost_event (out_event, 3, 3 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
|
||
out_event = gst_harness_pull_event (h);
|
||
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);
|
||
fail_unless (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
|
||
fail_unless_equals_int (5, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) 4,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 2, NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
|
||
GST_START_TEST (test_num_late_when_considered_lost_arrives)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
gboolean do_lost = __i__ != 0;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-lost", do_lost, "latency", 100, NULL);
|
||
|
||
/* push the first buffer through */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (0)));
|
||
/* sync on the first packet */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
|
||
/* gap of 1 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (2)));
|
||
|
||
/* crank to output lost-event */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
|
||
if (do_lost) {
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (gint i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
/* we should now receive packet-lost-events for buffer 1 */
|
||
verify_lost_event (gst_harness_pull_event (h),
|
||
1, 1 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
|
||
}
|
||
|
||
/* pull out buffers to ensure determinism */
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* we have one lost packet in the stats */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) 2,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 1,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0, NULL)));
|
||
|
||
/* buffer 1 now arrives (too late) */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (1)));
|
||
|
||
/* and this increments num-late */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) 2,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 1,
|
||
"num-late", G_TYPE_UINT64, (guint64) 1, NULL)));
|
||
|
||
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;
|
||
gint b;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
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++) {
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
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);
|
||
fail_unless_equals_uint64 (0, GST_BUFFER_DTS (out_buf));
|
||
fail_unless_equals_uint64 (0, GST_BUFFER_PTS (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
}
|
||
|
||
/* hop over 2 packets and make another one (gap of 2) */
|
||
b = 5;
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
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);
|
||
verify_lost_event (out_event, 3, 0, 0);
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 4, 0, 0);
|
||
|
||
/* verify that buffer 5 made it through! */
|
||
out_buf = gst_harness_pull (h);
|
||
fail_unless (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
|
||
fail_unless_equals_int (5, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) 4,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 2, NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_reorder_of_non_equidistant_packets)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 5;
|
||
GstClockID pending_id;
|
||
GstClockTime time;
|
||
gint seq, frame;
|
||
gint num_init_frames = 1;
|
||
const GstClockTime frame_dur = PCMU_BUF_DURATION;
|
||
const guint32 frame_rtp_ts_dur = PCMU_RTP_TS_DURATION;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
g_object_set (h->element, "do-lost", TRUE, "latency", latency_ms, NULL);
|
||
|
||
for (frame = 0, seq = 0; frame < num_init_frames; frame++, seq += 2) {
|
||
/* Push a couple of packets with identical timestamp, typical for a video
|
||
* stream where one frame generates multiple packets. */
|
||
gst_harness_set_time (h, frame * frame_dur);
|
||
gst_harness_push (h, generate_test_buffer_full (frame * frame_dur, FALSE,
|
||
seq, frame * frame_rtp_ts_dur));
|
||
gst_harness_push (h, generate_test_buffer_full (frame * frame_dur, TRUE,
|
||
seq + 1, frame * frame_rtp_ts_dur));
|
||
|
||
if (frame == 0)
|
||
/* deadline for buffer 0 expires */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
}
|
||
|
||
/* Finally push the last frame reordered */
|
||
gst_harness_set_time (h, frame * frame_dur);
|
||
gst_harness_push (h, generate_test_buffer_full (frame * frame_dur, TRUE,
|
||
seq + 1, frame * frame_rtp_ts_dur));
|
||
|
||
/* Check the scheduled lost timer. The expected arrival of this packet
|
||
* should be assumed to be the same as the last packet received since we
|
||
* don't know wether the missing packet belonged to this or previous
|
||
* frame. */
|
||
gst_test_clock_wait_for_next_pending_id (testclock, &pending_id);
|
||
time = gst_clock_id_get_time (pending_id);
|
||
fail_unless_equals_int64 (time, frame * frame_dur + latency_ms * GST_MSECOND);
|
||
gst_clock_id_unref (pending_id);
|
||
|
||
/* And then missing packet arrives just in time */
|
||
gst_harness_set_time (h, time - 1);
|
||
gst_harness_push (h, generate_test_buffer_full (time - 1, FALSE, seq,
|
||
frame * frame_rtp_ts_dur));
|
||
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_loss_equidistant_spacing_with_parameter_packets)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
GstEvent *event;
|
||
gint latency_ms = 5;
|
||
gint seq, frame;
|
||
gint num_init_frames = 10;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
g_object_set (h->element, "do-lost", TRUE, "latency", latency_ms, NULL);
|
||
|
||
/* drop stream-start, caps, segment */
|
||
for (int i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
for (frame = 0, seq = 0; frame < num_init_frames; frame++, seq++) {
|
||
gst_harness_set_time (h, frame * PCMU_BUF_DURATION);
|
||
gst_harness_push (h, generate_test_buffer_full (frame * PCMU_BUF_DURATION,
|
||
TRUE, seq, frame * PCMU_RTP_TS_DURATION));
|
||
|
||
if (frame == 0)
|
||
/* deadline for buffer 0 expires */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
}
|
||
|
||
/* Push three packets with same rtptime, simulating parameter packets +
|
||
* frame. This should not disable equidistant mode as it is common for
|
||
* certain audio codecs. */
|
||
for (gint i = 0; i < 3; i++) {
|
||
gst_harness_set_time (h, frame * PCMU_BUF_DURATION);
|
||
gst_harness_push (h, generate_test_buffer_full (frame * PCMU_BUF_DURATION,
|
||
i == 2, seq++, frame * PCMU_RTP_TS_DURATION));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
}
|
||
frame++;
|
||
|
||
/* Finally push the last packet introducing a gap */
|
||
gst_harness_set_time (h, frame * PCMU_BUF_DURATION);
|
||
gst_harness_push (h, generate_test_buffer_full (frame * PCMU_BUF_DURATION,
|
||
TRUE, seq + 1, frame * PCMU_RTP_TS_DURATION));
|
||
|
||
/* Check that the lost event has been generated assuming equidistant
|
||
* spacing. */
|
||
event = gst_harness_pull_event (h);
|
||
verify_lost_event (event, seq,
|
||
frame * PCMU_BUF_DURATION - PCMU_BUF_DURATION / 2, PCMU_BUF_DURATION / 2);
|
||
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
|
||
static void
|
||
gst_test_clock_set_time_and_process (GstTestClock * testclock,
|
||
GstClockTime time)
|
||
{
|
||
GstClockID id, tid;
|
||
gst_test_clock_wait_for_next_pending_id (testclock, &id);
|
||
gst_test_clock_set_time (testclock, time);
|
||
tid = gst_test_clock_process_next_clock_id (testclock);
|
||
g_assert (tid == id);
|
||
gst_clock_id_unref (tid);
|
||
gst_clock_id_unref (id);
|
||
}
|
||
|
||
GST_START_TEST (test_rtx_expected_next)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
GstBuffer *out_buf;
|
||
GstEvent *out_event;
|
||
gint jb_latency_ms = 200;
|
||
const GstClockTime rtx_retry_timeout = 40 * GST_MSECOND;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
|
||
g_object_set (h->element, "do-lost", TRUE, NULL);
|
||
g_object_set (h->element, "do-retransmission", TRUE, NULL);
|
||
g_object_set (h->element, "latency", jb_latency_ms, NULL);
|
||
g_object_set (h->element, "rtx-retry-period", 120, NULL);
|
||
|
||
/* push the first buffer in */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (0)));
|
||
|
||
gst_harness_set_time (h, 20 * GST_MSECOND);
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
|
||
/* 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 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (1)));
|
||
|
||
gst_test_clock_set_time_and_process (testclock, 50 * GST_MSECOND);
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (int i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, 2, rtx_retry_timeout, 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_set_time_and_process (testclock, 90 * GST_MSECOND);
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, 2, rtx_retry_timeout, 50, PCMU_BUF_DURATION);
|
||
|
||
gst_test_clock_set_time_and_process (testclock, 130 * GST_MSECOND);
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, 2, rtx_retry_timeout, 90, PCMU_BUF_DURATION);
|
||
|
||
gst_test_clock_set_time_and_process (testclock, 200 * GST_MSECOND);
|
||
out_buf = gst_harness_pull (h);
|
||
fail_unless_equals_int (0, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
|
||
gst_test_clock_set_time_and_process (testclock, 240 * GST_MSECOND);
|
||
/* we should now receive a packet-lost-event for buffer 2 */
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 2, 40 * GST_MSECOND, PCMU_BUF_DURATION);
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_two_missing)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 200;
|
||
gint rtx_delay_ms;
|
||
GstClockTime last_rtx_request, now;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
NULL);
|
||
|
||
for (gint i = 0; i <= latency_ms / PCMU_BUF_MS; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i <= latency_ms / PCMU_BUF_MS; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
|
||
/*
|
||
The expected sequence of buffers is this:
|
||
____ ____ ____ ____
|
||
... | 10 | | 11 | | 12 | | 13 |
|
||
–––– –––– –––– ––––
|
||
200ms 220ms 240ms 260ms
|
||
|
||
But instead we get this:
|
||
____ _ _ _ _ ____
|
||
... | 10 | | | | | | 13 |
|
||
–––– - - - - ––––
|
||
200ms 260ms
|
||
|
||
Now it is important to note that the next thing that happens is that
|
||
the RTX timeout for packet 11 will happen at time 230ms, so we crank
|
||
the timer thread to advance the time to this: */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
rtx_delay_ms = PCMU_BUF_MS / 2;
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
11, 11 * PCMU_BUF_DURATION, rtx_delay_ms, PCMU_BUF_DURATION);
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request,
|
||
11 * PCMU_BUF_DURATION + rtx_delay_ms * GST_MSECOND);
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
|
||
/* The next scheduled RTX for packet 11 is now at 230 + 40 = 270ms,
|
||
so the next thing that happens is that buffer 13 arrives in perfect time: */
|
||
now = 13 * PCMU_BUF_DURATION;
|
||
gst_harness_set_time (h, now);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h,
|
||
generate_test_buffer_full (now, TRUE, 13,
|
||
13 * PCMU_RTP_TS_DURATION)));
|
||
|
||
/*
|
||
|
||
This will estimate the dts on the two missing packets to:
|
||
____ ____
|
||
... | 11 | | 12 | ...
|
||
–––– ––––
|
||
220ms 240ms
|
||
|
||
And given their regular interspacing of 20ms, it will schedule two RTX
|
||
timers for them like so:
|
||
|
||
____ ____
|
||
... | 11 | | 12 | ...
|
||
–––– ––––
|
||
230ms 250ms
|
||
|
||
There are however two problems, packet 11 we have already sent one RTX for
|
||
and its timeout is currently at 270ms, so we should not tamper with that,
|
||
and as for packet 12, 250ms has already expired, so we now expect to see
|
||
an rtx-event being sent for packet 12 immediately: */
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
12, 12 * PCMU_BUF_DURATION, rtx_delay_ms, PCMU_BUF_DURATION);
|
||
|
||
/* and another crank will see the second RTX event being sent for packet 11 */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
rtx_delay_ms += 40;
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
11, 11 * PCMU_BUF_DURATION, rtx_delay_ms, PCMU_BUF_DURATION);
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request,
|
||
11 * PCMU_BUF_DURATION + rtx_delay_ms * GST_MSECOND);
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (text_rtx_two_missing_early)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 30;
|
||
GstClockTime last_rtx_request, now;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
NULL);
|
||
|
||
for (gint i = 0; i <= latency_ms / PCMU_BUF_MS; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i <= latency_ms / PCMU_BUF_MS; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
|
||
/*
|
||
The expected sequence of buffers is this:
|
||
___ ___ ___ ___ ___
|
||
| 0 | | 1 | | 2 | | 3 | | 4 |
|
||
––– ––– ––– ––– –––
|
||
0ms 20ms 40ms 60ms 80ms
|
||
|
||
But instead we get this:
|
||
___ ___ _ _ _ _ ___
|
||
| 0 | | 1 | | | | | | 4 |
|
||
––– ––– – – – – –––
|
||
0ms 20ms 41ms
|
||
|
||
*/
|
||
|
||
now = 41 * GST_MSECOND;
|
||
gst_harness_set_time (h, now);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h,
|
||
generate_test_buffer_full (now, TRUE, 4, 4 * PCMU_RTP_TS_DURATION)));
|
||
|
||
/*
|
||
|
||
With the now calculated packet-spacing of (41-20) / 3 = 7,
|
||
giving us these expected times:
|
||
___ ___ ___ ___ ___
|
||
| 0 | | 1 | | 2 | | 3 | | 4 |
|
||
––– ––– ––– ––– –––
|
||
0ms 20ms 27ms 34ms 41ms
|
||
|
||
For RTX, the inital RTX-timeouts for the missing buffers are
|
||
the expected arrival time + half the packet-spacing time, like this:
|
||
___ ___
|
||
| 2 | | 3 |
|
||
––– –––
|
||
50ms 70ms
|
||
|
||
But since we have re-calculated the estimated arrival-time
|
||
of these buffers, we have to adjust the RTX timeout as well,
|
||
and we use the original delay (packet-spacing / 2) = 10ms,
|
||
and add it on:
|
||
___ ___
|
||
| 2 | | 3 |
|
||
––– –––
|
||
37ms 44ms
|
||
|
||
Also note that the first RTX request is now scheduled for a
|
||
time that is prior to NOW (37ms < 41ms), so it will be sent straight
|
||
away without us needing to "crank" the timer-thread
|
||
|
||
*/
|
||
|
||
/* The RTX request for packet 2 has timestamp 27ms and delay 10ms */
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
2, 27 * GST_MSECOND, 10, PCMU_BUF_DURATION);
|
||
/* and is sent immediately after packet 4 arrives (41ms) */
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request, now);
|
||
|
||
/* crank the timer thread */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
|
||
/* The RTX request for packet 3 has timestamp 34ms and delay 10ms */
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
3, 34 * GST_MSECOND, 10, PCMU_BUF_DURATION);
|
||
/* and is sent at 44ms */
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request, 44 * GST_MSECOND);
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_packet_delay)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
GstBuffer *in_buf, *out_buf;
|
||
GstEvent *out_event;
|
||
gint jb_latency_ms = 200;
|
||
gint i;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
|
||
g_object_set (h->element, "do-lost", TRUE, NULL);
|
||
g_object_set (h->element, "do-retransmission", TRUE, NULL);
|
||
g_object_set (h->element, "latency", jb_latency_ms, NULL);
|
||
g_object_set (h->element, "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);
|
||
gst_harness_push (h, in_buf);
|
||
|
||
/* 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 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (1)));
|
||
|
||
/* 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 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer_full (20 * GST_MSECOND, TRUE, 8,
|
||
8 * PCMU_RTP_TS_DURATION)));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (int i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
/* we should now receive retransmission requests for 2 -> 5 */
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, 2, 20 * GST_MSECOND, 17, PCMU_BUF_DURATION);
|
||
|
||
for (i = 3; i < 5; i++) {
|
||
GST_DEBUG ("popping %d", i);
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, i, 20 * GST_MSECOND, 17, PCMU_BUF_DURATION);
|
||
}
|
||
fail_unless_equals_int (0, gst_harness_upstream_events_in_queue (h));
|
||
|
||
/* push 9, this should immediately request retransmission of 5 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer_full (20 * GST_MSECOND, TRUE, 9,
|
||
9 * PCMU_RTP_TS_DURATION)));
|
||
|
||
/* we should now receive retransmission requests for 5 */
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, 5, 20 * GST_MSECOND, 17, PCMU_BUF_DURATION);
|
||
|
||
/* wait for timeout for rtx 6 -> 7 */
|
||
gst_test_clock_set_time_and_process (testclock, 60 * GST_MSECOND);
|
||
|
||
for (i = 6; i < 8; i++) {
|
||
GST_DEBUG ("popping %d", i);
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, i, 20 * GST_MSECOND, 17, PCMU_BUF_DURATION);
|
||
}
|
||
|
||
/* churn through 7 sync_times until the new buffer gets pushed out */
|
||
for (i = 0; i < 7; i++)
|
||
gst_harness_crank_single_clock_wait (h);
|
||
|
||
/* verify that buffer 0 and 1 made it through! */
|
||
for (i = 0; i < 2; i++) {
|
||
out_buf = gst_harness_pull (h);
|
||
if (i == 0)
|
||
fail_unless (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
|
||
fail_unless_equals_int (i, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
}
|
||
|
||
for (i = 2; i < 8; i++) {
|
||
GST_DEBUG ("popping lost event %d", i);
|
||
out_event = gst_harness_pull_event (h);
|
||
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 = gst_harness_pull (h);
|
||
if (i == 8)
|
||
g_assert (GST_BUFFER_FLAG_IS_SET (out_buf, GST_BUFFER_FLAG_DISCONT));
|
||
fail_unless_equals_int (i, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
}
|
||
|
||
GST_DEBUG ("popping lost event 10");
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 10, 40 * GST_MSECOND, PCMU_BUF_DURATION);
|
||
|
||
fail_unless_equals_int (0, gst_harness_events_in_queue (h));
|
||
fail_unless_equals_int (15, gst_harness_upstream_events_in_queue (h));
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-lost", G_TYPE_UINT64, (guint64) 7,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 21,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) 0, NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_buffer_arrives_just_in_time)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 5 * PCMU_BUF_MS;
|
||
gint num_init_buffers = latency_ms / PCMU_BUF_MS + 1;
|
||
GstBuffer *buffer;
|
||
GstClockTime now, last_rtx_request;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
"rtx-max-retries", 1, NULL);
|
||
|
||
/* Push/pull buffers and advance time past buffer 0's timeout (in order to
|
||
* simplify the test) */
|
||
for (gint i = 0; i < num_init_buffers; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i < num_init_buffers; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
|
||
/* Crank clock to send retransmission events requesting seqnum 6 which has
|
||
* not arrived yet. */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
6, 6 * PCMU_BUF_DURATION, 10, PCMU_BUF_DURATION);
|
||
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request, 130 * GST_MSECOND);
|
||
|
||
/* seqnum 6 arrives just before it times out and is considered lost */
|
||
now = 200 * GST_MSECOND;
|
||
gst_test_clock_set_time (testclock, now);
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 6)));
|
||
buffer = gst_harness_pull (h);
|
||
fail_unless_equals_int (6, get_rtp_seq_num (buffer));
|
||
gst_buffer_unref (buffer);
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers + 1,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 1.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) (now - last_rtx_request),
|
||
NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_buffer_arrives_too_late)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 5 * PCMU_BUF_MS;
|
||
gint num_init_buffers = latency_ms / PCMU_BUF_MS + 1;
|
||
GstClockTime now, last_rtx_request;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
"do-lost", TRUE, "rtx-max-retries", 1, NULL);
|
||
|
||
/* Push/pull buffers and advance time past buffer 0's timeout (in order to
|
||
* simplify the test) */
|
||
for (gint i = 0; i < num_init_buffers; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i < num_init_buffers; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (gint i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
/* Crank clock to send retransmission events requesting seqnum 6 which has
|
||
* not arrived yet. */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
6, 6 * PCMU_BUF_DURATION, 10, PCMU_BUF_DURATION);
|
||
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request, 130 * GST_MSECOND);
|
||
|
||
/* seqnum 6 is considered lost */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_lost_event (gst_harness_pull_event (h), 6,
|
||
6 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
|
||
|
||
/* seqnum 6 arrives too late */
|
||
now = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 6)));
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 1,
|
||
"num-late", G_TYPE_UINT64, (guint64) 1,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 1.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) (now - last_rtx_request),
|
||
NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_original_buffer_does_not_update_rtx_stats)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 5 * PCMU_BUF_MS;
|
||
gint num_init_buffers = latency_ms / PCMU_BUF_MS + 1;
|
||
GstBuffer *buffer;
|
||
GstClockTime now, last_rtx_request;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
"rtx-max-retries", 1, NULL);
|
||
|
||
/* Push/pull buffers and advance time past buffer 0's timeout (in order to
|
||
* simplify the test) */
|
||
for (gint i = 0; i < num_init_buffers; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i < num_init_buffers; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
|
||
/* Crank clock to send retransmission events requesting seqnum 6 which has
|
||
* not arrived yet. */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
6, 6 * PCMU_BUF_DURATION, 10, PCMU_BUF_DURATION);
|
||
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request, 130 * GST_MSECOND);
|
||
|
||
/* ORIGINAL seqnum 6 arrives just before it times out and is considered
|
||
* lost. */
|
||
now = 200 * GST_MSECOND;
|
||
gst_test_clock_set_time (testclock, now);
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_full (now, TRUE, 6, 6 * PCMU_RTP_TS_DURATION)));
|
||
buffer = gst_harness_pull (h);
|
||
fail_unless_equals_int (6, get_rtp_seq_num (buffer));
|
||
gst_buffer_unref (buffer);
|
||
|
||
/* The original buffer does not count in the RTX stats. */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers + 1,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 0.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) 0, NULL)));
|
||
|
||
/* Now the retransmitted packet arrives and stats should be updated. Note
|
||
* that the buffer arrives in time and should not be considered late, but
|
||
* a duplicate. */
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 6)));
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers + 1,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 1.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) (now - last_rtx_request),
|
||
NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_duplicate_packet_updates_rtx_stats)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 5 * PCMU_BUF_MS;
|
||
gint num_init_buffers = latency_ms / PCMU_BUF_MS + 1;
|
||
GstClockTime now, rtx_request_6, rtx_request_7;
|
||
gint rtx_delay_ms;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
NULL);
|
||
|
||
/* Push/pull buffers and advance time past buffer 0's timeout (in order to
|
||
* simplify the test) */
|
||
for (gint i = 0; i < num_init_buffers; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i < num_init_buffers; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* Drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
|
||
/* Push packet 8 so that 6 and 7 is missing */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (8)));
|
||
|
||
/* Wait for NACKs on 6 and 7 */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
rtx_delay_ms = 10;
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
6, 6 * PCMU_BUF_DURATION, rtx_delay_ms, PCMU_BUF_DURATION);
|
||
rtx_request_6 = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (rtx_request_6,
|
||
6 * PCMU_BUF_DURATION + rtx_delay_ms * GST_MSECOND);
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
7, 7 * PCMU_BUF_DURATION, rtx_delay_ms, PCMU_BUF_DURATION);
|
||
rtx_request_7 = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (rtx_request_7,
|
||
7 * PCMU_BUF_DURATION + rtx_delay_ms * GST_MSECOND);
|
||
|
||
/* Original packet 7 arrives */
|
||
now = 150 * GST_MSECOND;
|
||
gst_test_clock_set_time (testclock, now);
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_full (now, TRUE, 7, 7 * PCMU_RTP_TS_DURATION)));
|
||
|
||
/* We're still waiting for packet 6, so 7 should not be pushed */
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
fail_unless_equals_int (gst_harness_buffers_in_queue (h), 0);
|
||
|
||
/* The original buffer does not count in the RTX stats. */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 2,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 0.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) 0, NULL)));
|
||
|
||
/* Push RTX packet 7. Should be dropped as duplicate but update RTX stats. */
|
||
now = 160 * GST_MSECOND;
|
||
gst_test_clock_set_time (testclock, now);
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 7)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
fail_unless_equals_int (gst_harness_buffers_in_queue (h), 0);
|
||
|
||
/* Check RTX stats with updated num-duplicates and rtx-rtt fields */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 2,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 1.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) (now - rtx_request_7),
|
||
NULL)));
|
||
|
||
/* RTX packet 6 arrives, both 6, 7 and 8 is ready to be pulled */
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 6)));
|
||
|
||
for (gint i = 6; i <= 8; i++) {
|
||
GstBuffer *buf = gst_harness_pull (h);
|
||
fail_unless_equals_int (i, get_rtp_seq_num (buf));
|
||
gst_buffer_unref (buf);
|
||
}
|
||
|
||
/* RTX stats is updated with success count increased. */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers + 3,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 2,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 1.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64)
|
||
/* Use the rtx-rtt formula. Can be subject to change though. */
|
||
((now - rtx_request_6) + 47 * (now - rtx_request_7)) / 48,
|
||
NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_buffer_arrives_after_lost_updates_rtx_stats)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 5 * PCMU_BUF_MS;
|
||
gint num_init_buffers = latency_ms / PCMU_BUF_MS + 1;
|
||
GstClockTime now, last_rtx_request;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
"do-lost", TRUE, "rtx-max-retries", 1, NULL);
|
||
|
||
/* Push/pull buffers and advance time past buffer 0's timeout (in order to
|
||
* simplify the test) */
|
||
for (gint i = 0; i < num_init_buffers; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i < num_init_buffers; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (gint i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
/* Crank clock to send retransmission events requesting seqnum 6 which has
|
||
* not arrived yet. */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
6, 6 * PCMU_BUF_DURATION, 10, PCMU_BUF_DURATION);
|
||
|
||
last_rtx_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (last_rtx_request, 130 * GST_MSECOND);
|
||
|
||
/* seqnum 6 is considered lost */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_lost_event (gst_harness_pull_event (h), 6,
|
||
6 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
|
||
|
||
/* seqnum 6 arrives too late */
|
||
now = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 6)));
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 1,
|
||
"num-late", G_TYPE_UINT64, (guint64) 1,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 1.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) (now - last_rtx_request),
|
||
NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_rtt_larger_than_retry_timeout)
|
||
{
|
||
/* When RTT is larger than retry period we will send two or more requests
|
||
* before receiving any retransmission packets */
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
gint latency_ms = 100;
|
||
gint num_init_buffers = latency_ms / PCMU_BUF_MS + 1;
|
||
gint rtx_retry_timeout_ms = 20;
|
||
gint rtx_delay_ms = 10;
|
||
gint rtt = rtx_retry_timeout_ms * GST_MSECOND + 1;
|
||
GstClockTime now, first_request, second_request;
|
||
|
||
testclock = gst_harness_get_testclock (h);
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
g_object_set (h->element, "do-retransmission", TRUE, "latency", latency_ms,
|
||
"rtx-retry-timeout", rtx_retry_timeout_ms, NULL);
|
||
|
||
/* Push/pull buffers and advance time past buffer 0's timeout (in order to
|
||
* simplify the test) */
|
||
for (gint i = 0; i < num_init_buffers; i++) {
|
||
gst_test_clock_set_time (testclock, i * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
gst_harness_wait_for_clock_id_waits (h, 1, 60);
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
fail_unless_equals_int64 (latency_ms * GST_MSECOND,
|
||
gst_clock_get_time (GST_CLOCK (testclock)));
|
||
|
||
for (gint i = 0; i < num_init_buffers; i++)
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* Drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
|
||
/* Wait for first NACK on 6 */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
6, 6 * PCMU_BUF_DURATION, rtx_delay_ms, PCMU_BUF_DURATION);
|
||
first_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (first_request,
|
||
6 * PCMU_BUF_DURATION + rtx_delay_ms * GST_MSECOND);
|
||
|
||
/* Packet 7 arrives in time (so that we avoid its EXPECTED timers to
|
||
* interfer with our test) */
|
||
gst_test_clock_set_time (testclock, 7 * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (7)));
|
||
|
||
/* Simulating RTT > rtx-retry-timeout, we send a new NACK before receiving
|
||
* the RTX packet. Wait for second NACK on 6 */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
rtx_delay_ms += rtx_retry_timeout_ms;
|
||
verify_rtx_event (gst_harness_pull_upstream_event (h),
|
||
6, 6 * PCMU_BUF_DURATION, rtx_delay_ms, PCMU_BUF_DURATION);
|
||
second_request = gst_clock_get_time (GST_CLOCK (testclock));
|
||
fail_unless_equals_int64 (second_request,
|
||
6 * PCMU_BUF_DURATION + rtx_delay_ms * GST_MSECOND);
|
||
|
||
/* The first retransmitted packet arrives */
|
||
now = first_request + rtt;
|
||
gst_test_clock_set_time (testclock, now);
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 6)));
|
||
|
||
/* Pull packet 6 and 7 */
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* Stats should be updated. Note that RTT is not updated since we cannot be
|
||
* sure whether the RTX packet is in response to the first or second NACK. */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers + 2,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 2,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 2.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) 0, NULL)));
|
||
|
||
/* Packet 8 arrives in time */
|
||
gst_test_clock_set_time (testclock, 8 * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (8)));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* Now the second retransmitted packet arrives */
|
||
now = second_request + rtt;
|
||
gst_test_clock_set_time (testclock, now);
|
||
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
|
||
generate_test_buffer_rtx (now, 6)));
|
||
|
||
/* The stats is updated with the correct RTT. */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) num_init_buffers + 3,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 0,
|
||
"num-late", G_TYPE_UINT64, (guint64) 0,
|
||
"num-duplicates", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 2,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 1,
|
||
"rtx-per-packet", G_TYPE_DOUBLE, 2.0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) rtt, NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_rtx_no_request_if_time_past_retry_period)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
const gint latency_ms = 200;
|
||
const gint retry_period_ms = 120;
|
||
GstTestClock *testclock;
|
||
GstClockID pending_id, processed_id;
|
||
GstClockTime time;
|
||
GstEvent *event;
|
||
gint i;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
|
||
g_object_set (h->element, "do-lost", TRUE, NULL);
|
||
g_object_set (h->element, "do-retransmission", TRUE, NULL);
|
||
g_object_set (h->element, "latency", latency_ms, NULL);
|
||
g_object_set (h->element, "rtx-retry-period", retry_period_ms, NULL);
|
||
|
||
/* push the first couple of buffers */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (0)));
|
||
|
||
gst_harness_set_time (h, 1 * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (1)));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
/* Wait for the first EXPECTED timer to be scheduled */
|
||
gst_test_clock_wait_for_next_pending_id (testclock, &pending_id);
|
||
time = gst_clock_id_get_time (pending_id);
|
||
fail_unless_equals_int64 (time, 2 * PCMU_BUF_DURATION + 10 * GST_MSECOND);
|
||
|
||
/* Let the first EXPECTED timer time out and be sent. However, set the 'now'
|
||
* time to be past the retry-period simulating that the jitterbuffer has too
|
||
* much to do and is not able to process all timers in real-time. In this
|
||
* case the jitterbuffer should not schedule a new EXPECTED timer as that
|
||
* would just make matters worse (more unnecessary processing of a request
|
||
* that is already too late to be valuable). In practice this typically
|
||
* happens for high loss networks with low RTT. */
|
||
gst_test_clock_set_time (testclock,
|
||
2 * PCMU_BUF_DURATION + retry_period_ms * GST_MSECOND + 1);
|
||
processed_id = gst_test_clock_process_next_clock_id (testclock);
|
||
fail_unless (pending_id == processed_id);
|
||
gst_clock_id_unref (pending_id);
|
||
gst_clock_id_unref (processed_id);
|
||
|
||
/* Verify the event. It could be argued that this request is already too
|
||
* late and unnecessary. However, in order to keep things simple (for now)
|
||
* we just keep the already scehduled EXPECTED timer, but refrain from
|
||
* scheduled another EXPECTED timer */
|
||
event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (event, 2, 2 * PCMU_BUF_DURATION, 10, PCMU_BUF_DURATION);
|
||
|
||
/* "crank" to reach the DEADLINE for packet 0 */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
fail_unless_equals_int (0, gst_harness_upstream_events_in_queue (h));
|
||
fail_unless_equals_int (0, gst_harness_events_in_queue (h));
|
||
|
||
/* "crank" to time out the LOST event */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
event = gst_harness_pull_event (h);
|
||
verify_lost_event (event, 2, 2 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_gap_exceeds_latency)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
const gint jb_latency_ms = 200;
|
||
|
||
gint i;
|
||
GstEvent *out_event;
|
||
GstBuffer *out_buf;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
|
||
g_object_set (h->element, "do-lost", TRUE, NULL);
|
||
g_object_set (h->element, "do-retransmission", TRUE, NULL);
|
||
g_object_set (h->element, "latency", jb_latency_ms, NULL);
|
||
g_object_set (h->element, "rtx-retry-period", 120, NULL);
|
||
|
||
/* push the first buffer in */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (0)));
|
||
|
||
gst_harness_set_time (h, 1 * PCMU_BUF_DURATION);
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (1)));
|
||
|
||
/* drop reconfigure event */
|
||
gst_event_unref (gst_harness_pull_upstream_event (h));
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
/* Allow seqnum 2 to be declared lost */
|
||
for (i = 0; i < 3; i++) {
|
||
gst_harness_crank_single_clock_wait (h);
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event,
|
||
2, 2 * PCMU_BUF_DURATION, 10 + 40 * i, PCMU_BUF_DURATION);
|
||
}
|
||
|
||
/* buffer 0 & 1 */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
for (i = 0; i < 2; i++) {
|
||
out_buf = gst_harness_pull (h);
|
||
fail_unless_equals_int (i, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
}
|
||
|
||
/* lost event */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 2, 2 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
|
||
|
||
/* Now data comes in again, a "bulk" lost packet is created for 3 -> 5 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (16)));
|
||
|
||
/* Manually check the first rtx event */
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event, 6, 6 * PCMU_BUF_DURATION, 10, PCMU_BUF_DURATION);
|
||
/* Go throught the rest of rtx events. A bit more relaxed since order is
|
||
* partly an implentation detail. */
|
||
for (i = 0; i < 12; i++) {
|
||
const GstStructure *s;
|
||
guint seqnum, retry;
|
||
|
||
fail_unless (out_event = gst_harness_pull_upstream_event (h));
|
||
fail_unless (s = gst_event_get_structure (out_event));
|
||
fail_unless (gst_structure_get_uint (s, "seqnum", &seqnum));
|
||
fail_unless (gst_structure_get_uint (s, "retry", &retry));
|
||
fail_unless (seqnum >= 6 && seqnum <= 12);
|
||
|
||
verify_rtx_event (out_event, seqnum, seqnum * PCMU_BUF_DURATION,
|
||
10 + retry * 40, PCMU_BUF_DURATION);
|
||
}
|
||
|
||
fail_unless_equals_int (0, gst_harness_upstream_events_in_queue (h));
|
||
fail_unless_equals_int (0, gst_harness_events_in_queue (h));
|
||
fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
|
||
|
||
for (i = 8; i < 16; i++) {
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (i)));
|
||
}
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 3, 3 * PCMU_BUF_DURATION,
|
||
3 * PCMU_BUF_DURATION);
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 6, 6 * PCMU_BUF_DURATION,
|
||
1 * PCMU_BUF_DURATION);
|
||
|
||
gst_harness_crank_single_clock_wait (h);
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 7, 7 * PCMU_BUF_DURATION,
|
||
1 * PCMU_BUF_DURATION);
|
||
|
||
/* 8 */
|
||
for (i = 8; i <= 16; i++) {
|
||
GstBuffer *out_buf = gst_harness_pull (h);
|
||
GST_DEBUG ("pop %d", i);
|
||
fail_unless_equals_int (i, get_rtp_seq_num (out_buf));
|
||
gst_buffer_unref (out_buf);
|
||
}
|
||
|
||
fail_unless_equals_int (0, gst_harness_upstream_events_in_queue (h));
|
||
fail_unless_equals_int (0, gst_harness_events_in_queue (h));
|
||
fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
|
||
|
||
/* rtx x 3 */
|
||
for (i = 0; i < 3; i++) {
|
||
gst_harness_crank_single_clock_wait (h);
|
||
out_event = gst_harness_pull_upstream_event (h);
|
||
verify_rtx_event (out_event,
|
||
17, 17 * PCMU_BUF_DURATION, 10 + 40 * i, PCMU_BUF_DURATION);
|
||
}
|
||
|
||
/* lost event for 17 */
|
||
gst_harness_crank_single_clock_wait (h);
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, 17, 17 * PCMU_BUF_DURATION, PCMU_BUF_DURATION);
|
||
|
||
fail_unless_equals_int (0, gst_harness_upstream_events_in_queue (h));
|
||
fail_unless_equals_int (0, gst_harness_events_in_queue (h));
|
||
fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) 11,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 7,
|
||
"rtx-count", G_TYPE_UINT64, (guint64) 19,
|
||
"rtx-success-count", G_TYPE_UINT64, (guint64) 0,
|
||
"rtx-rtt", G_TYPE_UINT64, (guint64) 0, NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_deadline_ts_offset)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
GstClockID id;
|
||
const gint jb_latency_ms = 10;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
|
||
g_object_set (h->element, "latency", jb_latency_ms, NULL);
|
||
|
||
/* push the first buffer in */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (0)));
|
||
|
||
/* wait_next_timeout() syncs on the deadline timer */
|
||
gst_test_clock_wait_for_next_pending_id (testclock, &id);
|
||
fail_unless_equals_uint64 (jb_latency_ms * GST_MSECOND,
|
||
gst_clock_id_get_time (id));
|
||
gst_clock_id_unref (id);
|
||
|
||
/* add ts-offset while waiting */
|
||
g_object_set (h->element, "ts-offset", 20 * GST_MSECOND, NULL);
|
||
|
||
gst_test_clock_set_time_and_process (testclock, jb_latency_ms * GST_MSECOND);
|
||
|
||
/* wait_next_timeout() syncs on the new deadline timer */
|
||
gst_test_clock_wait_for_next_pending_id (testclock, &id);
|
||
fail_unless_equals_uint64 ((20 + jb_latency_ms) * GST_MSECOND,
|
||
gst_clock_id_get_time (id));
|
||
gst_clock_id_unref (id);
|
||
|
||
/* now make deadline timer timeout */
|
||
gst_test_clock_set_time_and_process (testclock,
|
||
(20 + jb_latency_ms) * GST_MSECOND);
|
||
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
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 ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
|
||
|
||
/* push first buffer through */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (0)));
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* Push packet with DTS larger than latency */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
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;
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
out_event = gst_harness_pull_event (h);
|
||
verify_lost_event (out_event, i, i * dur, dur);
|
||
}
|
||
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-lost", G_TYPE_UINT64, (guint64) 4, NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_push_big_gap)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstBuffer *buf;
|
||
const gint num_consecutive = 5;
|
||
gint i;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
|
||
for (i = 0; i < num_consecutive; i++)
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (1000 + i)));
|
||
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
|
||
for (i = 0; i < num_consecutive; i++) {
|
||
GstBuffer *buf = gst_harness_pull (h);
|
||
fail_unless_equals_int (1000 + i, get_rtp_seq_num (buf));
|
||
gst_buffer_unref (buf);
|
||
}
|
||
|
||
/* Push more packets from a different sequence number domain
|
||
* to trigger "big gap" logic. */
|
||
for (i = 0; i < num_consecutive; i++)
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (20000 + i)));
|
||
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
|
||
for (i = 0; i < num_consecutive; i++) {
|
||
GstBuffer *buf = gst_harness_pull (h);
|
||
fail_unless_equals_int (20000 + i, get_rtp_seq_num (buf));
|
||
gst_buffer_unref (buf);
|
||
}
|
||
|
||
/* Final buffer should be pushed straight through */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer (20000 + num_consecutive)));
|
||
buf = gst_harness_pull (h);
|
||
fail_unless_equals_int (20000 + num_consecutive, get_rtp_seq_num (buf));
|
||
gst_buffer_unref (buf);
|
||
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
typedef struct
|
||
{
|
||
guint seqnum_offset;
|
||
guint late_buffer;
|
||
} TestLateArrivalInput;
|
||
|
||
static const TestLateArrivalInput
|
||
test_considered_lost_packet_in_large_gap_arrives_input[] = {
|
||
{0, 1}, {0, 2}, {65535, 1}, {65535, 2}, {65534, 1}, {65534, 2}
|
||
};
|
||
|
||
GST_START_TEST (test_considered_lost_packet_in_large_gap_arrives)
|
||
{
|
||
GstHarness *h = gst_harness_new ("rtpjitterbuffer");
|
||
GstTestClock *testclock;
|
||
GstClockID id;
|
||
GstBuffer *buffer;
|
||
gint jb_latency_ms = 20;
|
||
GstEvent *event;
|
||
const TestLateArrivalInput *test_input =
|
||
&test_considered_lost_packet_in_large_gap_arrives_input[__i__];
|
||
guint seq_offset = test_input->seqnum_offset;
|
||
guint late_buffer = test_input->late_buffer;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
testclock = gst_harness_get_testclock (h);
|
||
g_object_set (h->element, "do-lost", TRUE, "latency", jb_latency_ms, NULL);
|
||
|
||
/* first push buffer 0 */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer_full (0 * PCMU_BUF_DURATION,
|
||
TRUE, 0 + seq_offset, 0 * PCMU_RTP_TS_DURATION)));
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
gst_buffer_unref (gst_harness_pull (h));
|
||
|
||
/* drop GstEventStreamStart & GstEventCaps & GstEventSegment */
|
||
for (gint i = 0; i < 3; i++)
|
||
gst_event_unref (gst_harness_pull_event (h));
|
||
|
||
/* hop over 3 packets, and push buffer 4 (gap of 3) */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h, generate_test_buffer_full (4 * PCMU_BUF_DURATION,
|
||
TRUE, 4 + seq_offset, 4 * PCMU_RTP_TS_DURATION)));
|
||
|
||
/* the jitterbuffer should be waiting for the timeout of a "large gap timer"
|
||
* for buffer 1 and 2 */
|
||
gst_test_clock_wait_for_next_pending_id (testclock, &id);
|
||
fail_unless_equals_uint64 (1 * PCMU_BUF_DURATION +
|
||
jb_latency_ms * GST_MSECOND, gst_clock_id_get_time (id));
|
||
gst_clock_id_unref (id);
|
||
|
||
/* now buffer 1 sneaks in before the lost event for buffer 1 and 2 is
|
||
* processed */
|
||
fail_unless_equals_int (GST_FLOW_OK,
|
||
gst_harness_push (h,
|
||
generate_test_buffer_full (late_buffer * PCMU_BUF_DURATION, TRUE,
|
||
late_buffer + seq_offset, late_buffer * PCMU_RTP_TS_DURATION)));
|
||
|
||
/* time out for lost packets 1 and 2 (one event, double duration) */
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
event = gst_harness_pull_event (h);
|
||
verify_lost_event (event, 1 + seq_offset, 1 * PCMU_BUF_DURATION,
|
||
2 * PCMU_BUF_DURATION);
|
||
|
||
/* time out for lost packets 3 */
|
||
fail_unless (gst_harness_crank_single_clock_wait (h));
|
||
event = gst_harness_pull_event (h);
|
||
verify_lost_event (event, 3 + seq_offset, 3 * PCMU_BUF_DURATION,
|
||
1 * PCMU_BUF_DURATION);
|
||
|
||
/* buffer 4 is pushed as normal */
|
||
buffer = gst_harness_pull (h);
|
||
fail_unless_equals_int ((4 + seq_offset) & 0xffff, get_rtp_seq_num (buffer));
|
||
gst_buffer_unref (buffer);
|
||
|
||
/* we have lost 3, and one of them arrived eventually, but too late */
|
||
fail_unless (verify_jb_stats (h->element,
|
||
gst_structure_new ("application/x-rtp-jitterbuffer-stats",
|
||
"num-pushed", G_TYPE_UINT64, (guint64) 2,
|
||
"num-lost", G_TYPE_UINT64, (guint64) 3,
|
||
"num-late", G_TYPE_UINT64, (guint64) 1, NULL)));
|
||
|
||
gst_object_unref (testclock);
|
||
gst_harness_teardown (h);
|
||
}
|
||
|
||
GST_END_TEST;
|
||
|
||
GST_START_TEST (test_performance)
|
||
{
|
||
GstHarness *h =
|
||
gst_harness_new_parse
|
||
("rtpjitterbuffer do-lost=1 do-retransmission=1 latency=1000");
|
||
GTimer *timer = g_timer_new ();
|
||
const gdouble test_duration = 2.0;
|
||
guint buffers_pushed = 0;
|
||
guint buffers_received;
|
||
|
||
gst_harness_set_src_caps (h, generate_caps ());
|
||
gst_harness_use_systemclock (h);
|
||
|
||
while (g_timer_elapsed (timer, NULL) < test_duration) {
|
||
/* Simulate 1ms packets */
|
||
guint n = buffers_pushed * 2; // every packet also produces a gap
|
||
guint16 seqnum = n & 0xffff;
|
||
guint32 rtp_ts = n * 8;
|
||
GstClockTime dts = n * GST_MSECOND;
|
||
gst_harness_push (h, generate_test_buffer_full (dts, TRUE, seqnum, rtp_ts));
|
||
buffers_pushed++;
|
||
g_usleep (G_USEC_PER_SEC / 10000);
|
||
}
|
||
g_timer_destroy (timer);
|
||
|
||
buffers_received = gst_harness_buffers_received (h);
|
||
GST_INFO ("Pushed %d, received %d (%.1f%%)", buffers_pushed, buffers_received,
|
||
100.0 * buffers_received / buffers_pushed);
|
||
|
||
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_loop_test (tc_chain, test_num_late_when_considered_lost_arrives, 0,
|
||
2);
|
||
tcase_add_test (tc_chain, test_reorder_of_non_equidistant_packets);
|
||
tcase_add_test (tc_chain,
|
||
test_loss_equidistant_spacing_with_parameter_packets);
|
||
|
||
tcase_add_test (tc_chain, test_rtx_expected_next);
|
||
tcase_add_test (tc_chain, test_rtx_two_missing);
|
||
tcase_add_test (tc_chain, text_rtx_two_missing_early);
|
||
tcase_add_test (tc_chain, test_rtx_packet_delay);
|
||
tcase_add_test (tc_chain, test_rtx_buffer_arrives_just_in_time);
|
||
tcase_add_test (tc_chain, test_rtx_buffer_arrives_too_late);
|
||
tcase_add_test (tc_chain, test_rtx_original_buffer_does_not_update_rtx_stats);
|
||
tcase_add_test (tc_chain, test_rtx_duplicate_packet_updates_rtx_stats);
|
||
tcase_add_test (tc_chain,
|
||
test_rtx_buffer_arrives_after_lost_updates_rtx_stats);
|
||
tcase_add_test (tc_chain, test_rtx_rtt_larger_than_retry_timeout);
|
||
tcase_add_test (tc_chain, test_rtx_no_request_if_time_past_retry_period);
|
||
|
||
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);
|
||
tcase_add_test (tc_chain, test_push_big_gap);
|
||
|
||
tcase_add_loop_test (tc_chain,
|
||
test_considered_lost_packet_in_large_gap_arrives, 0,
|
||
G_N_ELEMENTS (test_considered_lost_packet_in_large_gap_arrives_input));
|
||
|
||
tcase_add_test (tc_chain, test_performance);
|
||
|
||
return s;
|
||
}
|
||
|
||
GST_CHECK_MAIN (rtpjitterbuffer);
|