gstreamer/subprojects/gst-plugins-good/tests/check/elements/rtpulpfec.c

671 lines
21 KiB
C

/* GStreamer plugin for forward error correction
* Copyright (C) 2017 Pexip
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Mikhail Fludkov <misha@pexip.com>
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "packets.h"
#include <gst/check/gstharness.h>
#include <gst/rtp/gstrtpbuffer.h>
#include <gst/check/gstcheck.h>
#define RTP_PACKET_DUR (10 * GST_MSECOND)
typedef struct
{
guint8 pt;
guint32 ssrc;
guint16 seq;
} RecoveredPacketInfo;
static void
check_rtpulpfecdec_stats (GstHarness * h, guint packets_recovered,
guint packets_unrecovered)
{
guint packets_recovered_out;
guint packets_unrecovered_out;
gst_harness_get (h, "rtpulpfecdec",
"recovered", &packets_recovered_out,
"unrecovered", &packets_unrecovered_out, NULL);
fail_unless_equals_int (packets_recovered, packets_recovered_out);
fail_unless_equals_int (packets_unrecovered, packets_unrecovered_out);
}
static void
push_lost_event (GstHarness * h, guint32 seqnum,
guint64 timestamp, guint64 duration, gboolean event_goes_through)
{
GstEvent *packet_loss_in = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM,
gst_structure_new ("GstRTPPacketLost",
"seqnum", G_TYPE_UINT, seqnum,
"timestamp", G_TYPE_UINT64, timestamp,
"duration", G_TYPE_UINT64, duration, NULL));
GstEvent *it, *packet_loss_out = NULL;
fail_unless_equals_int (TRUE, gst_harness_push_event (h, packet_loss_in));
while (NULL != (it = gst_harness_try_pull_event (h))) {
if (GST_EVENT_TYPE (it) != GST_EVENT_CUSTOM_DOWNSTREAM ||
!gst_event_has_name (it, "GstRTPPacketLost")) {
gst_event_unref (it);
} else {
packet_loss_out = it;
break;
}
}
if (event_goes_through) {
const GstStructure *s = gst_event_get_structure (packet_loss_out);
guint64 tscopy, durcopy;
gboolean might_have_been_fec;
fail_unless (gst_structure_has_name (s, "GstRTPPacketLost"));
fail_if (gst_structure_has_field (s, "seqnum"));
fail_unless (gst_structure_get_uint64 (s, "timestamp", &tscopy));
fail_unless (gst_structure_get_uint64 (s, "duration", &durcopy));
fail_unless (gst_structure_get_boolean (s, "might-have-been-fec",
&might_have_been_fec));
fail_unless_equals_uint64 (timestamp, tscopy);
fail_unless_equals_uint64 (duration, durcopy);
fail_unless (might_have_been_fec == TRUE);
gst_event_unref (packet_loss_out);
} else {
fail_unless (NULL == packet_loss_out);
}
}
static void
lose_and_recover_test (GstHarness * h, guint16 lost_seq,
gconstpointer recbuf, gsize recbuf_size)
{
guint64 duration = 222222;
guint64 timestamp = 111111;
GstBuffer *bufout;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
GstRTPBuffer rtpout = GST_RTP_BUFFER_INIT;
GstBuffer *wrap;
gpointer reccopy = g_malloc (recbuf_size);
memcpy (reccopy, recbuf, recbuf_size);
push_lost_event (h, lost_seq, timestamp, duration, FALSE);
bufout = gst_harness_pull (h);
fail_unless_equals_int (gst_buffer_get_size (bufout), recbuf_size);
fail_unless_equals_int (GST_BUFFER_PTS (bufout), timestamp);
wrap = gst_buffer_new_wrapped (reccopy, recbuf_size);
gst_rtp_buffer_map (wrap, GST_MAP_WRITE, &rtp);
gst_rtp_buffer_map (bufout, GST_MAP_READ, &rtpout);
gst_rtp_buffer_set_seq (&rtp, gst_rtp_buffer_get_seq (&rtpout));
fail_unless (gst_buffer_memcmp (bufout, 0, reccopy, recbuf_size) == 0);
gst_rtp_buffer_unmap (&rtp);
gst_rtp_buffer_unmap (&rtpout);
fail_unless (!GST_BUFFER_FLAG_IS_SET (bufout, GST_RTP_BUFFER_FLAG_REDUNDANT));
gst_buffer_unref (bufout);
gst_buffer_unref (wrap);
/* Pushing the next buffer with discont flag set */
bufout = gst_rtp_buffer_new_allocate (0, 0, 0);
GST_BUFFER_FLAG_SET (bufout, GST_BUFFER_FLAG_DISCONT);
bufout = gst_harness_push_and_pull (h, bufout);
/* Checking the flag was unset */
fail_unless (!GST_BUFFER_IS_DISCONT (bufout));
gst_buffer_unref (bufout);
}
static void
push_data (GstHarness * h, gconstpointer rtp, gsize rtp_length)
{
GstBuffer *buf = gst_rtp_buffer_new_copy_data (rtp, rtp_length);
GstBuffer *bufout;
bufout = gst_harness_push_and_pull (h, buf);
if (bufout)
gst_buffer_unref (bufout);
}
static GstHarness *
harness_rtpulpfecdec (guint32 ssrc, guint8 lost_pt, guint8 fec_pt)
{
GstHarness *h =
gst_harness_new_parse ("rtpstorage ! rtpulpfecdec ! identity");
GObject *internal_storage;
gchar *caps_str =
g_strdup_printf ("application/x-rtp,ssrc=(uint)%u,payload=(int)%u",
ssrc, lost_pt);
gst_harness_set (h, "rtpstorage", "size-time", (guint64) 200 * RTP_PACKET_DUR,
NULL);
gst_harness_get (h, "rtpstorage", "internal-storage", &internal_storage,
NULL);
gst_harness_set (h, "rtpulpfecdec", "storage", internal_storage, "pt", fec_pt,
NULL);
g_object_unref (internal_storage);
gst_harness_set_src_caps_str (h, caps_str);
g_free (caps_str);
return h;
}
static void
packet_recovered_cb (GObject * internal_storage, GstBuffer * buffer,
GList * infos)
{
gboolean found = FALSE;
GstRTPBuffer rtp = { NULL };
GList *it;
fail_unless (gst_rtp_buffer_map (buffer, GST_MAP_READ, &rtp));
for (it = infos; it; it = it->next) {
RecoveredPacketInfo *info = it->data;
if (gst_rtp_buffer_get_seq (&rtp) == info->seq) {
fail_unless_equals_int (gst_rtp_buffer_get_payload_type (&rtp), info->pt);
fail_unless_equals_int (gst_rtp_buffer_get_ssrc (&rtp), info->ssrc);
found = TRUE;
break;
}
}
gst_rtp_buffer_unmap (&rtp);
fail_unless (found);
}
static GList *
expect_recovered_packets (GstHarness * h, RecoveredPacketInfo * infos,
guint infos_len)
{
GObject *internal_storage;
guint i = 0;
GList *res = NULL;
for (i = 0; i < infos_len; i++)
res = g_list_prepend (res, &infos[i]);
gst_harness_get (h, "rtpstorage", "internal-storage", &internal_storage,
NULL);
g_signal_connect (internal_storage, "packet-recovered",
G_CALLBACK (packet_recovered_cb), res);
g_object_unref (internal_storage);
return res;
}
GST_START_TEST (rtpulpfecdec_up_and_down)
{
GstHarness *h = harness_rtpulpfecdec (0, 0, 0);
gst_harness_set_src_caps_str (h, "application/x-rtp");
check_rtpulpfecdec_stats (h, 0, 0);
gst_harness_teardown (h);
}
GST_END_TEST;
static void
_recovered_from_fec_base (guint32 ssrc, guint8 fec_pt,
guint8 lost_pt, guint16 lost_seq,
gconstpointer fec_packet, gsize fec_packet_size,
gconstpointer lost_packet, gsize lost_packet_size)
{
GstHarness *h = harness_rtpulpfecdec (ssrc, lost_pt, 123);
RecoveredPacketInfo info = {.pt = lost_pt,.ssrc = ssrc,.seq = lost_seq };
GList *expected = expect_recovered_packets (h, &info, 1);
push_data (h, fec_packet, fec_packet_size);
lose_and_recover_test (h, lost_seq, lost_packet, lost_packet_size);
check_rtpulpfecdec_stats (h, 1, 0);
g_list_free (expected);
gst_harness_teardown (h);
}
GST_START_TEST (rtpulpfecdec_recovered_from_fec)
{
_recovered_from_fec_base (3536077562UL, 123, 100, 36921,
SAMPLE_ULPFEC0_FEC, sizeof (SAMPLE_ULPFEC0_FEC) - 1,
SAMPLE_ULPFEC0_MEDIA, sizeof (SAMPLE_ULPFEC0_MEDIA) - 1);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_recovered_from_fec_long)
{
GstHarness *h = harness_rtpulpfecdec (3536077562UL, 100, 123);
RecoveredPacketInfo info = {.pt = 100,.ssrc = 3536077562UL,.seq = 36921 };
const guint8 fec[] = SAMPLE_ULPFEC0_FEC;
guint8 *feclongmask = NULL;
GList *expected = expect_recovered_packets (h, &info, 1);
/* Long FEC mask needs 4 more bytes */
feclongmask = g_malloc (sizeof (fec) - 1 + 4);
/* Copying the beginning of FEC packet:
* RTP header (12 bytes) + RtpUlpFecHeader (10 bytes) + RtpUlpFecLevelHeader (4 bytes) */
memcpy (feclongmask, fec, 26);
// Changing L bit: 0 -> 1
feclongmask[12] |= 64;
// Changing fec_seq_base: 36921 -> 36874
feclongmask[14] = 0x90;
feclongmask[15] = 0x0a;
// Changing fec_mask: 0x800000000000 -> 0x000000000001
feclongmask[24] = 0;
feclongmask[25] = 0;
feclongmask[26] = 0;
feclongmask[27] = 0;
feclongmask[28] = 0;
feclongmask[29] = 1;
memcpy (feclongmask + 30, fec + 26, sizeof (fec) - 1 - 26);
push_data (h, feclongmask, sizeof (fec) - 1 + 4);
lose_and_recover_test (h, 36921, SAMPLE_ULPFEC0_MEDIA,
sizeof (SAMPLE_ULPFEC0_MEDIA) - 1);
g_free (feclongmask);
check_rtpulpfecdec_stats (h, 1, 0);
g_list_free (expected);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_recovered_from_many)
{
GstHarness *h = harness_rtpulpfecdec (578322839UL, 126, 22);
static const gchar *packets[] = {
SAMPLE_ULPFEC1_MEDIA0,
SAMPLE_ULPFEC1_MEDIA1,
SAMPLE_ULPFEC1_MEDIA2,
SAMPLE_ULPFEC1_MEDIA3,
SAMPLE_ULPFEC1_FEC0,
SAMPLE_ULPFEC1_FEC1,
};
static gsize packets_size[] = {
sizeof (SAMPLE_ULPFEC1_MEDIA0) - 1,
sizeof (SAMPLE_ULPFEC1_MEDIA1) - 1,
sizeof (SAMPLE_ULPFEC1_MEDIA2) - 1,
sizeof (SAMPLE_ULPFEC1_MEDIA3) - 1,
sizeof (SAMPLE_ULPFEC1_FEC0) - 1,
sizeof (SAMPLE_ULPFEC1_FEC1) - 1,
};
guint lost_seq = __i__ + 8476;
const gchar *lost_packet = packets[__i__];
gsize lost_packet_size = packets_size[__i__];
RecoveredPacketInfo info = {.pt = 126,.ssrc = 578322839UL,.seq = lost_seq };
GList *expected = expect_recovered_packets (h, &info, 1);
gsize i;
for (i = 0; i < G_N_ELEMENTS (packets); ++i) {
if (i != (gsize) __i__)
push_data (h, packets[i], packets_size[i]);
}
lose_and_recover_test (h, lost_seq, lost_packet, lost_packet_size);
check_rtpulpfecdec_stats (h, 1, 0);
g_list_free (expected);
gst_harness_teardown (h);
}
GST_END_TEST;
typedef struct _SampleRTPPacket SampleRTPPacket;
struct _SampleRTPPacket
{
const gchar *data;
gsize len;
};
SampleRTPPacket avmcu_media_packets[] = {
{SAMPLE_AVMCU2_MEDIA0, sizeof (SAMPLE_AVMCU2_MEDIA0) - 1}
,
{SAMPLE_AVMCU2_MEDIA1, sizeof (SAMPLE_AVMCU2_MEDIA1) - 1}
,
{SAMPLE_AVMCU2_MEDIA2, sizeof (SAMPLE_AVMCU2_MEDIA2) - 1}
,
{SAMPLE_AVMCU2_MEDIA3, sizeof (SAMPLE_AVMCU2_MEDIA3) - 1}
,
{SAMPLE_AVMCU2_MEDIA4, sizeof (SAMPLE_AVMCU2_MEDIA4) - 1}
,
{SAMPLE_AVMCU2_MEDIA5, sizeof (SAMPLE_AVMCU2_MEDIA5) - 1}
,
{SAMPLE_AVMCU2_MEDIA6, sizeof (SAMPLE_AVMCU2_MEDIA6) - 1}
,
{SAMPLE_AVMCU2_MEDIA7, sizeof (SAMPLE_AVMCU2_MEDIA7) - 1}
,
{SAMPLE_AVMCU2_MEDIA8, sizeof (SAMPLE_AVMCU2_MEDIA8) - 1}
,
{SAMPLE_AVMCU2_MEDIA9, sizeof (SAMPLE_AVMCU2_MEDIA9) - 1}
,
{SAMPLE_AVMCU2_MEDIA10, sizeof (SAMPLE_AVMCU2_MEDIA10) - 1}
,
{SAMPLE_AVMCU2_MEDIA11, sizeof (SAMPLE_AVMCU2_MEDIA11) - 1}
,
{SAMPLE_AVMCU2_MEDIA12, sizeof (SAMPLE_AVMCU2_MEDIA12) - 1}
,
{SAMPLE_AVMCU2_MEDIA13, sizeof (SAMPLE_AVMCU2_MEDIA13) - 1}
,
{SAMPLE_AVMCU2_MEDIA14, sizeof (SAMPLE_AVMCU2_MEDIA14) - 1}
,
{SAMPLE_AVMCU2_MEDIA15, sizeof (SAMPLE_AVMCU2_MEDIA15) - 1}
,
{SAMPLE_AVMCU2_MEDIA16, sizeof (SAMPLE_AVMCU2_MEDIA16) - 1}
,
{SAMPLE_AVMCU2_MEDIA17, sizeof (SAMPLE_AVMCU2_MEDIA17) - 1}
,
{SAMPLE_AVMCU2_MEDIA18, sizeof (SAMPLE_AVMCU2_MEDIA18) - 1}
,
{SAMPLE_AVMCU2_MEDIA19, sizeof (SAMPLE_AVMCU2_MEDIA19) - 1}
,
{SAMPLE_AVMCU2_MEDIA20, sizeof (SAMPLE_AVMCU2_MEDIA20) - 1}
,
{SAMPLE_AVMCU2_MEDIA21, sizeof (SAMPLE_AVMCU2_MEDIA21) - 1}
,
{SAMPLE_AVMCU2_MEDIA22, sizeof (SAMPLE_AVMCU2_MEDIA22) - 1}
,
{SAMPLE_AVMCU2_MEDIA23, sizeof (SAMPLE_AVMCU2_MEDIA23) - 1}
,
{SAMPLE_AVMCU2_MEDIA24, sizeof (SAMPLE_AVMCU2_MEDIA24) - 1}
,
{SAMPLE_AVMCU2_MEDIA25, sizeof (SAMPLE_AVMCU2_MEDIA25) - 1}
,
{SAMPLE_AVMCU2_MEDIA26, sizeof (SAMPLE_AVMCU2_MEDIA26) - 1}
,
{SAMPLE_AVMCU2_MEDIA27, sizeof (SAMPLE_AVMCU2_MEDIA27) - 1}
,
{SAMPLE_AVMCU2_MEDIA28, sizeof (SAMPLE_AVMCU2_MEDIA28) - 1}
,
{SAMPLE_AVMCU2_MEDIA29, sizeof (SAMPLE_AVMCU2_MEDIA29) - 1}
,
{SAMPLE_AVMCU2_MEDIA30, sizeof (SAMPLE_AVMCU2_MEDIA30) - 1}
,
{SAMPLE_AVMCU2_MEDIA31, sizeof (SAMPLE_AVMCU2_MEDIA31) - 1}
,
{SAMPLE_AVMCU2_MEDIA32, sizeof (SAMPLE_AVMCU2_MEDIA32) - 1}
,
{SAMPLE_AVMCU2_MEDIA33, sizeof (SAMPLE_AVMCU2_MEDIA33) - 1}
,
{SAMPLE_AVMCU2_MEDIA34, sizeof (SAMPLE_AVMCU2_MEDIA34) - 1}
,
{SAMPLE_AVMCU2_MEDIA35, sizeof (SAMPLE_AVMCU2_MEDIA35) - 1}
,
{SAMPLE_AVMCU2_MEDIA36, sizeof (SAMPLE_AVMCU2_MEDIA36) - 1}
,
{SAMPLE_AVMCU2_MEDIA37, sizeof (SAMPLE_AVMCU2_MEDIA37) - 1}
,
{SAMPLE_AVMCU2_MEDIA38, sizeof (SAMPLE_AVMCU2_MEDIA38) - 1}
,
{SAMPLE_AVMCU2_MEDIA39, sizeof (SAMPLE_AVMCU2_MEDIA39) - 1}
,
{SAMPLE_AVMCU2_MEDIA40, sizeof (SAMPLE_AVMCU2_MEDIA40) - 1}
,
{SAMPLE_AVMCU2_MEDIA41, sizeof (SAMPLE_AVMCU2_MEDIA41) - 1}
,
{SAMPLE_AVMCU2_MEDIA42, sizeof (SAMPLE_AVMCU2_MEDIA42) - 1}
,
{SAMPLE_AVMCU2_MEDIA43, sizeof (SAMPLE_AVMCU2_MEDIA43) - 1}
,
{SAMPLE_AVMCU2_MEDIA44, sizeof (SAMPLE_AVMCU2_MEDIA44) - 1}
,
{SAMPLE_AVMCU2_MEDIA45, sizeof (SAMPLE_AVMCU2_MEDIA45) - 1}
,
{SAMPLE_AVMCU2_MEDIA46, sizeof (SAMPLE_AVMCU2_MEDIA46) - 1}
,
{SAMPLE_AVMCU2_MEDIA47, sizeof (SAMPLE_AVMCU2_MEDIA47) - 1}
,
{SAMPLE_AVMCU2_MEDIA48, sizeof (SAMPLE_AVMCU2_MEDIA48) - 1}
,
{SAMPLE_AVMCU2_MEDIA49, sizeof (SAMPLE_AVMCU2_MEDIA49) - 1}
,
};
SampleRTPPacket avmcu_fec_packets[] = {
{SAMPLE_AVMCU2_FEC0, sizeof (SAMPLE_AVMCU2_FEC0) - 1}
,
{SAMPLE_AVMCU2_FEC1, sizeof (SAMPLE_AVMCU2_FEC1) - 1}
,
{SAMPLE_AVMCU2_FEC2, sizeof (SAMPLE_AVMCU2_FEC2) - 1}
,
{SAMPLE_AVMCU2_FEC3, sizeof (SAMPLE_AVMCU2_FEC3) - 1}
,
{SAMPLE_AVMCU2_FEC4, sizeof (SAMPLE_AVMCU2_FEC4) - 1}
,
{SAMPLE_AVMCU2_FEC5, sizeof (SAMPLE_AVMCU2_FEC5) - 1}
,
{SAMPLE_AVMCU2_FEC6, sizeof (SAMPLE_AVMCU2_FEC6) - 1}
,
};
GST_START_TEST (rtpulpfecdec_recovered_using_recovered_packet)
{
GstHarness *h = harness_rtpulpfecdec (578322839UL, 126, 22);
RecoveredPacketInfo info[3] = {
{.pt = 126,.ssrc = 578322839UL,.seq = 8477}
,
{.pt = 126,.ssrc = 578322839UL,.seq = 8476}
,
{.pt = 126,.ssrc = 578322839UL,.seq = 8479}
};
GList *expected = expect_recovered_packets (h, info, 3);
// To recover the packet we want we need to recover 2 packets
push_data (h, SAMPLE_ULPFEC1_MEDIA2, sizeof (SAMPLE_ULPFEC1_MEDIA2) - 1);
push_data (h, SAMPLE_ULPFEC1_FEC0, sizeof (SAMPLE_ULPFEC1_FEC0) - 1);
push_data (h, SAMPLE_ULPFEC1_FEC1, sizeof (SAMPLE_ULPFEC1_FEC1) - 1);
push_data (h, SAMPLE_ULPFEC1_FEC2, sizeof (SAMPLE_ULPFEC1_FEC2) - 1);
lose_and_recover_test (h, 8479, SAMPLE_ULPFEC1_MEDIA3,
sizeof (SAMPLE_ULPFEC1_MEDIA3) - 1);
check_rtpulpfecdec_stats (h, 1, 0);
g_list_free (expected);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_recovered_from_storage)
{
GstHarness *h = harness_rtpulpfecdec (578322839UL, 126, 22);
// The packet we want to recover is already in the storage
push_data (h, SAMPLE_ULPFEC1_MEDIA0, sizeof (SAMPLE_ULPFEC1_MEDIA0) - 1);
push_data (h, SAMPLE_ULPFEC1_MEDIA1, sizeof (SAMPLE_ULPFEC1_MEDIA1) - 1);
push_data (h, SAMPLE_ULPFEC1_MEDIA2, sizeof (SAMPLE_ULPFEC1_MEDIA2) - 1);
push_data (h, SAMPLE_ULPFEC1_MEDIA3, sizeof (SAMPLE_ULPFEC1_MEDIA3) - 1);
push_data (h, SAMPLE_ULPFEC1_FEC0, sizeof (SAMPLE_ULPFEC1_FEC0) - 1);
push_data (h, SAMPLE_ULPFEC1_FEC1, sizeof (SAMPLE_ULPFEC1_FEC1) - 1);
push_data (h, SAMPLE_ULPFEC1_FEC2, sizeof (SAMPLE_ULPFEC1_FEC2) - 1);
lose_and_recover_test (h, 8479, SAMPLE_ULPFEC1_MEDIA3,
sizeof (SAMPLE_ULPFEC1_MEDIA3) - 1);
check_rtpulpfecdec_stats (h, 1, 0);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_recovered_push_failed)
{
GstHarness *h = harness_rtpulpfecdec (3536077562UL, 100, 123);
RecoveredPacketInfo info = {.pt = 100,.ssrc = 3536077562UL,.seq = 36921 };
GList *expected = expect_recovered_packets (h, &info, 1);
// the harness is already PLAYING because there are no src pads, which
// means the error-after counter isn't set, so reset and start again.
gst_element_set_state (h->element, GST_STATE_NULL);
gst_harness_set (h, "identity", "error-after", 2, NULL);
gst_harness_play (h);
push_data (h, SAMPLE_ULPFEC0_FEC, sizeof (SAMPLE_ULPFEC0_FEC) - 1);
push_lost_event (h, 36921, 1111, 2222, FALSE);
/* gst_pad_push for the recovered packet has failed,
* making sure the error will be propagated from the chain function*/
fail_unless_equals_int (gst_harness_push (h, gst_buffer_new ()),
GST_FLOW_ERROR);
g_list_free (expected);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_invalid_fec_size_mismatch)
{
static const guint packet_sizes[] = { 21, 25,
sizeof (SAMPLE_ULPFEC0_FEC) - 2, sizeof (SAMPLE_ULPFEC0_FEC)
};
GstHarness *h = harness_rtpulpfecdec (3536077562UL, 100, 123);
push_data (h, SAMPLE_ULPFEC0_FEC, packet_sizes[__i__]);
push_lost_event (h, 36921, 1111, 2222, TRUE);
check_rtpulpfecdec_stats (h, 0, 1);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_invalid_fec_ebit_not_zero)
{
const guint8 fec[] = SAMPLE_ULPFEC0_FEC;
guint8 *fec_ebit_not_zero = NULL;
GstHarness *h = harness_rtpulpfecdec (3536077562UL, 100, 123);
// Changing E bit: 0 -> 1
fec_ebit_not_zero = g_malloc (sizeof (fec) - 1);
memcpy (fec_ebit_not_zero, fec, sizeof (fec) - 1);
fec_ebit_not_zero[12] |= 128;
push_data (h, fec_ebit_not_zero, sizeof (fec) - 1);
push_lost_event (h, 36921, 1111, 2222, TRUE);
g_free (fec_ebit_not_zero);
check_rtpulpfecdec_stats (h, 0, 1);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_invalid_recovered)
{
GstHarness *h = harness_rtpulpfecdec (3536077562UL, 50, 22);
push_data (h, SAMPLE_ISSUE_7049, sizeof (SAMPLE_ISSUE_7049) - 1);
push_lost_event (h, 36921, 1111, 2222, TRUE);
check_rtpulpfecdec_stats (h, 0, 1);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_invalid_recovered_pt_mismatch)
{
GstHarness *h = harness_rtpulpfecdec (3536077562UL, 100, 123);
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
GstBuffer *modified;
GstBuffer *bufout;
gst_harness_set_src_caps_str (h, "application/x-rtp,ssrc=(uint)3536077562");
/* Payload type can be derivered neither from the caps nor from the media packets */
push_data (h, SAMPLE_ULPFEC0_FEC, sizeof (SAMPLE_ULPFEC0_FEC) - 1);
push_lost_event (h, 36921, 1111, 2222, TRUE);
check_rtpulpfecdec_stats (h, 0, 1);
/* Payload type can only be derivered from the caps (pt=50). Recovered packet
* with pt=100 should be ignored */
gst_harness_set_src_caps_str (h,
"application/x-rtp,ssrc=(uint)3536077562,payload=(int)50");
push_lost_event (h, 36921, 1111, 2222, TRUE);
check_rtpulpfecdec_stats (h, 0, 2);
modified =
gst_rtp_buffer_new_copy_data (SAMPLE_ULPFEC0_MEDIA,
sizeof (SAMPLE_ULPFEC0_MEDIA));
fail_unless (gst_rtp_buffer_map (modified, GST_MAP_READ, &rtp));
gst_rtp_buffer_set_payload_type (&rtp, 50);
gst_rtp_buffer_set_seq (&rtp, 36920);
gst_rtp_buffer_unmap (&rtp);
/* Now we have media packet with pt=50 and caps with pt=50. */
bufout = gst_harness_push_and_pull (h, modified);
if (bufout)
gst_buffer_unref (bufout);
push_lost_event (h, 36921, 1111, 2222, TRUE);
check_rtpulpfecdec_stats (h, 0, 3);
/* Removing payload type from the caps */
gst_harness_set_src_caps_str (h, "application/x-rtp,ssrc=(uint)3536077562");
push_lost_event (h, 36921, 1111, 2222, TRUE);
check_rtpulpfecdec_stats (h, 0, 4);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (rtpulpfecdec_fecstorage_gives_no_buffers)
{
GstHarness *h = harness_rtpulpfecdec (3536077562UL, 100, 123);
push_lost_event (h, 36921, 1111, 2222, TRUE);
check_rtpulpfecdec_stats (h, 0, 1);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
rtpfec_suite (void)
{
Suite *s = suite_create ("rtpfec");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, rtpulpfecdec_up_and_down);
tcase_add_test (tc_chain, rtpulpfecdec_recovered_from_fec);
tcase_add_test (tc_chain, rtpulpfecdec_recovered_from_fec_long);
tcase_add_loop_test (tc_chain, rtpulpfecdec_recovered_from_many, 0, 4);
tcase_add_test (tc_chain, rtpulpfecdec_recovered_using_recovered_packet);
tcase_add_test (tc_chain, rtpulpfecdec_recovered_from_storage);
tcase_add_test (tc_chain, rtpulpfecdec_recovered_push_failed);
tcase_add_loop_test (tc_chain, rtpulpfecdec_invalid_fec_size_mismatch, 0, 4);
tcase_add_test (tc_chain, rtpulpfecdec_invalid_fec_ebit_not_zero);
tcase_add_test (tc_chain, rtpulpfecdec_invalid_recovered);
tcase_add_test (tc_chain, rtpulpfecdec_invalid_recovered_pt_mismatch);
tcase_add_test (tc_chain, rtpulpfecdec_fecstorage_gives_no_buffers);
return s;
}
GST_CHECK_MAIN (rtpfec)