GST_END_TEST;
+GMutex lock_eos;
+static gint nb_sources;
+static gint nb_eos;
+
+static void
+message_received_multiple (GstBus * bus, GstMessage * message,
+ GstPipeline * bin)
+{
+ GST_INFO ("bus message from \"%" GST_PTR_FORMAT "\": %" GST_PTR_FORMAT,
+ GST_MESSAGE_SRC (message), message);
+
+ switch (message->type) {
+ case GST_MESSAGE_EOS:
+ g_main_loop_quit (main_loop);
+ break;
+ case GST_MESSAGE_WARNING:{
+ GError *gerror;
+ gchar *debug;
+
+ gst_message_parse_warning (message, &gerror, &debug);
+ gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
+ g_error_free (gerror);
+ g_free (debug);
+ break;
+ }
+ case GST_MESSAGE_ERROR:{
+ GError *gerror;
+ gchar *debug;
+
+ gst_message_parse_error (message, &gerror, &debug);
+ gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
+ g_error_free (gerror);
+ g_free (debug);
+ g_main_loop_quit (main_loop);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+typedef struct
+{
+ guint count;
+ guint nb_packets;
+ guint drop_every_n_packets;
+ guint payload_type_master;
+} RTXSendMultipleData;
+
+/* drop some packets */
+static GstPadProbeReturn
+rtprtxsend_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
+ gpointer user_data)
+{
+ GstPadProbeReturn ret = GST_PAD_PROBE_OK;
+
+ if (info->type == (GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH)) {
+ GstBuffer *buffer = GST_BUFFER (info->data);
+ RTXSendMultipleData *rtxdata = (RTXSendMultipleData *) user_data;
+ GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
+ guint payload_type = 0;
+
+ gst_rtp_buffer_map (buffer, GST_MAP_READ, &rtp);
+ payload_type = gst_rtp_buffer_get_payload_type (&rtp);
+
+ /* main stream packets */
+ if (payload_type == rtxdata->payload_type_master) {
+ /* count packets of the main stream */
+ ++rtxdata->nb_packets;
+ /* drop some packets */
+ if (rtxdata->count < rtxdata->drop_every_n_packets) {
+ ++rtxdata->count;
+ } else {
+ /* drop a packet every 'rtxdata->count' packets */
+ rtxdata->count = 1;
+ ret = GST_PAD_PROBE_DROP;
+ }
+ } else {
+ /* retransmission packets */
+ }
+
+ gst_rtp_buffer_unmap (&rtp);
+ }
+
+ return ret;
+}
+
+/* make sure every sources has sent all their buffers */
+static GstPadProbeReturn
+source_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
+ gpointer user_data)
+{
+ GstPadProbeReturn ret = GST_PAD_PROBE_OK;
+
+ if (info->type ==
+ (GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM | GST_PAD_PROBE_TYPE_PUSH)) {
+ GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
+ if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
+ g_mutex_lock (&lock_eos);
+ ++nb_eos;
+ if (nb_eos < nb_sources)
+ ret = GST_PAD_PROBE_DROP;
+ g_mutex_unlock (&lock_eos);
+ }
+ }
+
+ return ret;
+}
+
+/* add one branch videotestsrc ! rtpvrawpay ! rtprtxsend ! queue ! funnel. */
+static RTXSendMultipleData *
+add_sender (GstElement * bin, const gchar * src_name,
+ const gchar * payloader_name, guint payload_type_master,
+ guint payload_type_aux)
+{
+ GstElement *src = NULL;
+ GstElement *rtppayloader = NULL;
+ GstElement *rtprtxsend = NULL;
+ GstElement *queue = NULL;
+ GstElement *funnel = NULL;
+ GstPad *srcpad = NULL;
+ gboolean res = FALSE;
+ RTXSendMultipleData *send_rtxdata = g_slice_new0 (RTXSendMultipleData);
+
+ send_rtxdata->count = 1;
+ send_rtxdata->nb_packets = 0;
+ send_rtxdata->drop_every_n_packets = 0;
+ send_rtxdata->payload_type_master = payload_type_master;
+
+ src = gst_element_factory_make (src_name, NULL);
+ rtppayloader = gst_element_factory_make (payloader_name, NULL);
+ rtprtxsend = gst_element_factory_make ("rtprtxsend", NULL);
+ queue = gst_element_factory_make ("queue", NULL);
+ funnel = gst_bin_get_by_name (GST_BIN (bin), "funnel");
+
+ g_object_set (src, "num-buffers", 25, NULL);
+ g_object_set (rtppayloader, "pt", payload_type_master, NULL);
+ g_object_set (rtppayloader, "seqnum-offset", 1, NULL);
+ g_object_set (rtprtxsend, "rtx-payload-type", payload_type_aux, NULL);
+ /* we want that every drop packet be resent fast */
+ g_object_set (queue, "max-size-buffers", 1, NULL);
+ g_object_set (queue, "flush-on-eos", FALSE, NULL);
+
+ gst_bin_add_many (GST_BIN (bin), src, rtppayloader, rtprtxsend, queue, NULL);
+
+ res = gst_element_link (src, rtppayloader);
+ fail_unless (res == TRUE, NULL);
+ res = gst_element_link (rtppayloader, rtprtxsend);
+ fail_unless (res == TRUE, NULL);
+ res = gst_element_link (rtprtxsend, queue);
+ fail_unless (res == TRUE, NULL);
+ res = gst_element_link (queue, funnel);
+ fail_unless (res == TRUE, NULL);
+ gst_object_unref (funnel);
+
+ /* to drop some packets */
+ srcpad = gst_element_get_static_pad (rtprtxsend, "src");
+ gst_pad_add_probe (srcpad,
+ (GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH),
+ (GstPadProbeCallback) rtprtxsend_srcpad_probe_multiple, send_rtxdata,
+ NULL);
+ gst_object_unref (srcpad);
+
+ /* to make sure every sources has sent all their buffers */
+ srcpad = gst_element_get_static_pad (queue, "src");
+ gst_pad_add_probe (srcpad,
+ (GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM | GST_PAD_PROBE_TYPE_PUSH),
+ (GstPadProbeCallback) source_srcpad_probe_multiple, NULL, NULL);
+ gst_object_unref (srcpad);
+
+ ++nb_sources;
+
+ return send_rtxdata;
+}
+
+typedef struct
+{
+ GHashTable *ssrc_to_nb_packets_map;
+ GHashTable *ssrc_to_seqnum_offset_map;
+ guint seqnum_offset;
+} RTXReceiveMultipleData;
+
+static GstPadProbeReturn
+rtprtxreceive_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
+ gpointer user_data)
+{
+ if (info->type == (GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH)) {
+ GstBuffer *buffer = GST_BUFFER (info->data);
+ RTXReceiveMultipleData *rtxdata = (RTXReceiveMultipleData *) user_data;
+ GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
+ guint ssrc = 0;
+ guint seqnum = 0;
+ gpointer seqnum_prev = 0;
+ guint nb_packets = 0;
+
+ gst_rtp_buffer_map (buffer, GST_MAP_READ, &rtp);
+ ssrc = gst_rtp_buffer_get_ssrc (&rtp);
+ seqnum = gst_rtp_buffer_get_seq (&rtp);
+
+ if (!g_hash_table_lookup_extended (rtxdata->ssrc_to_seqnum_offset_map,
+ GUINT_TO_POINTER (ssrc), NULL, &seqnum_prev)) {
+ /*In our test we take care to never drop the first buffer */
+ g_hash_table_insert (rtxdata->ssrc_to_seqnum_offset_map,
+ GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (seqnum));
+ g_hash_table_insert (rtxdata->ssrc_to_nb_packets_map,
+ GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (1));
+ return GST_PAD_PROBE_OK;
+ }
+
+ /* check if there is a dropped packet
+ * (in our test every packet arrived in increasing order) */
+ if (seqnum > GPOINTER_TO_UINT (seqnum_prev) + rtxdata->seqnum_offset) {
+ GstPad *peerpad = gst_pad_get_peer (pad);
+ guint i = 0;
+
+ /* ask retransmission of missing packets */
+ for (i = GPOINTER_TO_UINT (seqnum_prev) + rtxdata->seqnum_offset;
+ i < seqnum; i += rtxdata->seqnum_offset) {
+ GstEvent *event = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
+ gst_structure_new ("GstRTPRetransmissionRequest",
+ "seqnum", G_TYPE_UINT, i,
+ "ssrc", G_TYPE_UINT, gst_rtp_buffer_get_ssrc (&rtp),
+ "payload-type", G_TYPE_UINT,
+ gst_rtp_buffer_get_payload_type (&rtp),
+ NULL));
+ gst_pad_push_event (peerpad, event);
+ }
+ gst_object_unref (peerpad);
+
+ g_hash_table_insert (rtxdata->ssrc_to_seqnum_offset_map,
+ GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (seqnum));
+ } else if (seqnum ==
+ GPOINTER_TO_UINT (seqnum_prev) + rtxdata->seqnum_offset) {
+ /* also update previous seqnum in this case */
+ g_hash_table_insert (rtxdata->ssrc_to_seqnum_offset_map,
+ GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (seqnum));
+ } else {
+ /* receive retransmited packet */
+ }
+
+ gst_rtp_buffer_unmap (&rtp);
+
+ nb_packets =
+ GPOINTER_TO_UINT (g_hash_table_lookup (rtxdata->ssrc_to_nb_packets_map,
+ GUINT_TO_POINTER (ssrc)));
+ g_hash_table_insert (rtxdata->ssrc_to_nb_packets_map,
+ GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (++nb_packets));
+ }
+
+ return GST_PAD_PROBE_OK;
+}
+
+static void
+reset_rtx_send_data (RTXSendMultipleData * send_rtxdata, gpointer data)
+{
+ send_rtxdata->count = 1;
+ send_rtxdata->nb_packets = 0;
+ send_rtxdata->drop_every_n_packets = *(guint *) data;
+}
+
+/* compute number of all packets sent by all sender */
+static void
+compute_total_packets_sent (RTXSendMultipleData * send_rtxdata, gpointer data)
+{
+ guint *sum = (guint *) data;
+ *sum += send_rtxdata->nb_packets;
+}
+
+/* compute number of all packets received by rtprtxreceive::src pad */
+static void
+compute_total_packets_received (gpointer key, gpointer value, gpointer data)
+{
+ guint *sum = (guint *) data;
+ *sum += GPOINTER_TO_UINT (value);
+}
+
+static void
+start_test_drop_multiple_and_check_results (GstElement * bin,
+ GList * send_rtxdata_list, RTXReceiveMultipleData * receive_rtxdata,
+ guint drop_every_n_packets)
+{
+ GstStateChangeReturn state_res = GST_STATE_CHANGE_FAILURE;
+ GstElement *rtprtxreceive =
+ gst_bin_get_by_name (GST_BIN (bin), "rtprtxreceive");
+ guint sum_all_packets_sent = 0;
+ guint sum_rtx_packets_sent = 0;
+ guint sum_all_packets_received = 0;
+ guint sum_rtx_packets_received = 0;
+ guint sum_rtx_assoc_packets_received = 0;
+ guint sum_rtx_dropped_packets_received = 0;
+ gdouble error_sent_recv = 0;
+ GstIterator *itr_elements = NULL;
+ gboolean done = FALSE;
+ GValue item = { 0 };
+ GstElement *element = NULL;
+ gchar *name = NULL;
+
+ GST_INFO ("starting test");
+
+ g_hash_table_remove_all (receive_rtxdata->ssrc_to_nb_packets_map);
+ g_hash_table_remove_all (receive_rtxdata->ssrc_to_seqnum_offset_map);
+
+ g_list_foreach (send_rtxdata_list, (GFunc) reset_rtx_send_data,
+ &drop_every_n_packets);
+
+ /* run pipeline */
+ state_res = gst_element_set_state (bin, GST_STATE_PLAYING);
+ ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
+
+ state_res = gst_element_get_state (bin, NULL, NULL, GST_CLOCK_TIME_NONE);
+ ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
+
+ GST_INFO ("running main loop");
+ g_main_loop_run (main_loop);
+
+ /* check results */
+ itr_elements = gst_bin_iterate_elements (GST_BIN (bin));
+ done = FALSE;
+ while (!done) {
+ switch (gst_iterator_next (itr_elements, &item)) {
+ case GST_ITERATOR_OK:
+ element = GST_ELEMENT (g_value_get_object (&item));
+ name = gst_element_get_name (element);
+ if (g_str_has_prefix (name, "rtprtxsend") > 0) {
+ guint nb_packets = 0;
+ g_object_get (G_OBJECT (element), "num-rtx-packets", &nb_packets,
+ NULL);
+ sum_rtx_packets_sent += nb_packets;
+ }
+ g_free (name);
+ g_value_reset (&item);
+ break;
+ case GST_ITERATOR_RESYNC:
+ gst_iterator_resync (itr_elements);
+ break;
+ case GST_ITERATOR_ERROR:
+ done = TRUE;
+ break;
+ case GST_ITERATOR_DONE:
+ done = TRUE;
+ break;
+ }
+ }
+ g_value_unset (&item);
+ gst_iterator_free (itr_elements);
+
+ /* compute number of all packets sent by all sender */
+ g_list_foreach (send_rtxdata_list, (GFunc) compute_total_packets_sent,
+ &sum_all_packets_sent);
+
+ /* compute number of all packets received by rtprtxreceive::src pad */
+ g_hash_table_foreach (receive_rtxdata->ssrc_to_nb_packets_map,
+ compute_total_packets_received, (gpointer) & sum_all_packets_received);
+
+ /* check that we sent as many packets as received */
+ /* when eos is received by sources we cannot ensure that every packets
+ * will be received by sinks (maybe queue flush ?)
+ */
+ fail_if (sum_all_packets_sent < sum_all_packets_received);
+
+ /* some packet are not received, I still have to figure out why
+ * but I suspect it comes from pipeline setup/shutdown
+ */
+ if (sum_all_packets_sent != sum_all_packets_received) {
+ error_sent_recv =
+ 1 - sum_all_packets_received / (gdouble) sum_all_packets_sent;
+ fail_if (error_sent_recv > 0.30);
+ /* it should be 0% */
+ }
+
+ /* retrieve number of retransmit packets received by rtprtxreceive */
+ g_object_get (G_OBJECT (rtprtxreceive), "num-rtx-packets",
+ &sum_rtx_packets_received, NULL);
+
+ /* some of rtx packet are not received because the receiver avoids
+ * collision (= requests that have the same seqnum)
+ */
+ fail_if (sum_rtx_packets_sent < sum_rtx_packets_received);
+ g_object_get (G_OBJECT (rtprtxreceive), "num-rtx-assoc-packets",
+ &sum_rtx_assoc_packets_received, NULL);
+ sum_rtx_dropped_packets_received =
+ sum_rtx_packets_received - sum_rtx_assoc_packets_received;
+ fail_unless_equals_int (sum_rtx_packets_sent,
+ sum_rtx_assoc_packets_received + sum_rtx_dropped_packets_received);
+
+ gst_object_unref (rtprtxreceive);
+ state_res = gst_element_set_state (bin, GST_STATE_NULL);
+ ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
+}
+
+static void
+free_rtx_send_data (gpointer data)
+{
+ g_slice_free (RTXSendMultipleData, data);
+}
+
+/* This test build the pipeline funnel name=funnel
+ * videotestsrc ! rtpvrawpay ! rtprtxsend ! queue ! funnel.
+ * videotestsrc ! rtpvrawpay ! rtprtxsend ! queue ! funnel.
+ * N
+ * funnel. ! rtprtxreceive ! fakesink
+ * and drop some buffer just after each rtprtxsend
+ * Then it checks that every dropped packet has been re-sent and it checks
+ * that not too much requests has been sent.
+ */
+GST_START_TEST (test_drop_multiple_sender)
+{
+ GstElement *bin, *funnel, *rtprtxreceive, *sink;
+ GstBus *bus;
+ gboolean res;
+ GstPad *srcpad;
+ guint drop_every_n_packets = 0;
+ GList *send_rtxdata_list = NULL;
+ RTXReceiveMultipleData receive_rtxdata;
+
+ GST_INFO ("preparing test");
+
+ receive_rtxdata.ssrc_to_nb_packets_map =
+ g_hash_table_new (g_direct_hash, g_direct_equal);
+ receive_rtxdata.ssrc_to_seqnum_offset_map =
+ g_hash_table_new (g_direct_hash, g_direct_equal);
+ receive_rtxdata.seqnum_offset = 1;
+
+ /* build pipeline */
+ bin = gst_pipeline_new ("pipeline");
+ bus = gst_element_get_bus (bin);
+ gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
+
+ funnel = gst_element_factory_make ("funnel", "funnel");
+ rtprtxreceive = gst_element_factory_make ("rtprtxreceive", "rtprtxreceive");
+ sink = gst_element_factory_make ("fakesink", "sink");
+ g_object_set (sink, "sync", TRUE, NULL);
+ g_object_set (sink, "qos", FALSE, NULL);
+ gst_bin_add_many (GST_BIN (bin), funnel, rtprtxreceive, sink, NULL);
+
+ nb_sources = 0;
+ g_mutex_init (&lock_eos);
+
+ send_rtxdata_list =
+ g_list_append (send_rtxdata_list, add_sender (bin, "videotestsrc",
+ "rtpvrawpay", 96, 121));
+ send_rtxdata_list =
+ g_list_append (send_rtxdata_list, add_sender (bin, "videotestsrc",
+ "rtpvrawpay", 97, 122));
+ send_rtxdata_list =
+ g_list_append (send_rtxdata_list, add_sender (bin, "videotestsrc",
+ "rtpvrawpay", 98, 123));
+ send_rtxdata_list =
+ g_list_append (send_rtxdata_list, add_sender (bin, "videotestsrc",
+ "rtpvrawpay", 99, 124));
+
+ res = gst_element_link (funnel, rtprtxreceive);
+ fail_unless (res == TRUE, NULL);
+ res = gst_element_link (rtprtxreceive, sink);
+ fail_unless (res == TRUE, NULL);
+
+ srcpad = gst_element_get_static_pad (rtprtxreceive, "src");
+ gst_pad_add_probe (srcpad,
+ (GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH),
+ (GstPadProbeCallback) rtprtxreceive_srcpad_probe_multiple,
+ &receive_rtxdata, NULL);
+ gst_object_unref (srcpad);
+
+ main_loop = g_main_loop_new (NULL, FALSE);
+ g_signal_connect (bus, "message::error",
+ (GCallback) message_received_multiple, bin);
+ g_signal_connect (bus, "message::warning",
+ (GCallback) message_received_multiple, bin);
+ g_signal_connect (bus, "message::eos", (GCallback) message_received_multiple,
+ bin);
+
+ for (drop_every_n_packets = 2; drop_every_n_packets < 10;
+ drop_every_n_packets++) {
+ g_object_set (rtprtxreceive, "rtx-payload-types", "121:122:123:124", NULL);
+ nb_eos = 0;
+ start_test_drop_multiple_and_check_results (bin, send_rtxdata_list,
+ &receive_rtxdata, drop_every_n_packets);
+ }
+
+ /* cleanup */
+ g_main_loop_unref (main_loop);
+
+ g_list_free_full (send_rtxdata_list, free_rtx_send_data);
+ g_hash_table_destroy (receive_rtxdata.ssrc_to_nb_packets_map);
+ g_hash_table_destroy (receive_rtxdata.ssrc_to_seqnum_offset_map);
+
+ gst_bus_remove_signal_watch (bus);
+ gst_object_unref (bus);
+ gst_object_unref (bin);
+
+ g_mutex_clear (&lock_eos);
+}
+
+GST_END_TEST;
+
static Suite *
rtprtx_suite (void)
{
tcase_add_test (tc_chain, test_push_forward_seq);
tcase_add_test (tc_chain, test_drop_one_sender);
+ tcase_add_test (tc_chain, test_drop_multiple_sender);
return s;
}
projects / platform / upstream / gst-plugins-good.git / commitdiff