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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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tests/check: add rtprtx::test_drop_multiple_sender unit test
Several senders / one receiver Similar than test_drop_one_sender but with multiple senders mixed through the funnel element. It drops some packets and checks that they are retransmited correctly.
This commit is contained in:
Julien Isorce
Wim Taymans
parent
2a2fa7ebc0
commit
71bdb5e088
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@ -563,6 +563,501 @@ GST_START_TEST (test_drop_one_sender)
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GST_END_TEST;
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GMutex lock_eos;
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static gint nb_sources;
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static gint nb_eos;
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static void
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message_received_multiple (GstBus * bus, GstMessage * message,
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GstPipeline * bin)
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{
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GST_INFO ("bus message from \"%" GST_PTR_FORMAT "\": %" GST_PTR_FORMAT,
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GST_MESSAGE_SRC (message), message);
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switch (message->type) {
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case GST_MESSAGE_EOS:
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g_main_loop_quit (main_loop);
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break;
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case GST_MESSAGE_WARNING:{
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GError *gerror;
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gchar *debug;
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gst_message_parse_warning (message, &gerror, &debug);
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gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
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g_error_free (gerror);
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g_free (debug);
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break;
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}
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case GST_MESSAGE_ERROR:{
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GError *gerror;
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gchar *debug;
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gst_message_parse_error (message, &gerror, &debug);
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gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
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g_error_free (gerror);
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g_free (debug);
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g_main_loop_quit (main_loop);
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break;
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}
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default:
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break;
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}
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}
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typedef struct
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{
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guint count;
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guint nb_packets;
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guint drop_every_n_packets;
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guint payload_type_master;
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} RTXSendMultipleData;
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/* drop some packets */
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static GstPadProbeReturn
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rtprtxsend_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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gpointer user_data)
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{
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GstPadProbeReturn ret = GST_PAD_PROBE_OK;
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if (info->type == (GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH)) {
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GstBuffer *buffer = GST_BUFFER (info->data);
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RTXSendMultipleData *rtxdata = (RTXSendMultipleData *) user_data;
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GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
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guint payload_type = 0;
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gst_rtp_buffer_map (buffer, GST_MAP_READ, &rtp);
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payload_type = gst_rtp_buffer_get_payload_type (&rtp);
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/* main stream packets */
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if (payload_type == rtxdata->payload_type_master) {
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/* count packets of the main stream */
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++rtxdata->nb_packets;
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/* drop some packets */
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if (rtxdata->count < rtxdata->drop_every_n_packets) {
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++rtxdata->count;
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} else {
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/* drop a packet every 'rtxdata->count' packets */
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rtxdata->count = 1;
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ret = GST_PAD_PROBE_DROP;
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}
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} else {
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/* retransmission packets */
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}
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gst_rtp_buffer_unmap (&rtp);
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}
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return ret;
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}
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/* make sure every sources has sent all their buffers */
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static GstPadProbeReturn
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source_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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gpointer user_data)
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{
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GstPadProbeReturn ret = GST_PAD_PROBE_OK;
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if (info->type ==
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(GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM | GST_PAD_PROBE_TYPE_PUSH)) {
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GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
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if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
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g_mutex_lock (&lock_eos);
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++nb_eos;
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if (nb_eos < nb_sources)
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ret = GST_PAD_PROBE_DROP;
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g_mutex_unlock (&lock_eos);
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}
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}
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return ret;
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}
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/* add one branch videotestsrc ! rtpvrawpay ! rtprtxsend ! queue ! funnel. */
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static RTXSendMultipleData *
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add_sender (GstElement * bin, const gchar * src_name,
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const gchar * payloader_name, guint payload_type_master,
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guint payload_type_aux)
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{
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GstElement *src = NULL;
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GstElement *rtppayloader = NULL;
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GstElement *rtprtxsend = NULL;
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GstElement *queue = NULL;
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GstElement *funnel = NULL;
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GstPad *srcpad = NULL;
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gboolean res = FALSE;
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RTXSendMultipleData *send_rtxdata = g_slice_new0 (RTXSendMultipleData);
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send_rtxdata->count = 1;
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send_rtxdata->nb_packets = 0;
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send_rtxdata->drop_every_n_packets = 0;
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send_rtxdata->payload_type_master = payload_type_master;
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src = gst_element_factory_make (src_name, NULL);
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rtppayloader = gst_element_factory_make (payloader_name, NULL);
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rtprtxsend = gst_element_factory_make ("rtprtxsend", NULL);
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queue = gst_element_factory_make ("queue", NULL);
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funnel = gst_bin_get_by_name (GST_BIN (bin), "funnel");
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g_object_set (src, "num-buffers", 25, NULL);
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g_object_set (rtppayloader, "pt", payload_type_master, NULL);
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g_object_set (rtppayloader, "seqnum-offset", 1, NULL);
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g_object_set (rtprtxsend, "rtx-payload-type", payload_type_aux, NULL);
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/* we want that every drop packet be resent fast */
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g_object_set (queue, "max-size-buffers", 1, NULL);
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g_object_set (queue, "flush-on-eos", FALSE, NULL);
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gst_bin_add_many (GST_BIN (bin), src, rtppayloader, rtprtxsend, queue, NULL);
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res = gst_element_link (src, rtppayloader);
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fail_unless (res == TRUE, NULL);
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res = gst_element_link (rtppayloader, rtprtxsend);
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fail_unless (res == TRUE, NULL);
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res = gst_element_link (rtprtxsend, queue);
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fail_unless (res == TRUE, NULL);
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res = gst_element_link (queue, funnel);
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fail_unless (res == TRUE, NULL);
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gst_object_unref (funnel);
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/* to drop some packets */
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srcpad = gst_element_get_static_pad (rtprtxsend, "src");
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gst_pad_add_probe (srcpad,
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(GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH),
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(GstPadProbeCallback) rtprtxsend_srcpad_probe_multiple, send_rtxdata,
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NULL);
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gst_object_unref (srcpad);
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/* to make sure every sources has sent all their buffers */
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srcpad = gst_element_get_static_pad (queue, "src");
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gst_pad_add_probe (srcpad,
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(GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM | GST_PAD_PROBE_TYPE_PUSH),
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(GstPadProbeCallback) source_srcpad_probe_multiple, NULL, NULL);
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gst_object_unref (srcpad);
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++nb_sources;
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return send_rtxdata;
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}
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typedef struct
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{
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GHashTable *ssrc_to_nb_packets_map;
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GHashTable *ssrc_to_seqnum_offset_map;
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guint seqnum_offset;
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} RTXReceiveMultipleData;
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static GstPadProbeReturn
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rtprtxreceive_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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gpointer user_data)
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{
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if (info->type == (GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_PUSH)) {
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GstBuffer *buffer = GST_BUFFER (info->data);
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RTXReceiveMultipleData *rtxdata = (RTXReceiveMultipleData *) user_data;
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GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
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guint ssrc = 0;
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guint seqnum = 0;
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gpointer seqnum_prev = 0;
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guint nb_packets = 0;
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gst_rtp_buffer_map (buffer, GST_MAP_READ, &rtp);
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ssrc = gst_rtp_buffer_get_ssrc (&rtp);
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seqnum = gst_rtp_buffer_get_seq (&rtp);
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if (!g_hash_table_lookup_extended (rtxdata->ssrc_to_seqnum_offset_map,
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GUINT_TO_POINTER (ssrc), NULL, &seqnum_prev)) {
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/*In our test we take care to never drop the first buffer */
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g_hash_table_insert (rtxdata->ssrc_to_seqnum_offset_map,
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GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (seqnum));
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g_hash_table_insert (rtxdata->ssrc_to_nb_packets_map,
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GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (1));
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return GST_PAD_PROBE_OK;
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}
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/* check if there is a dropped packet
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* (in our test every packet arrived in increasing order) */
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if (seqnum > GPOINTER_TO_UINT (seqnum_prev) + rtxdata->seqnum_offset) {
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GstPad *peerpad = gst_pad_get_peer (pad);
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guint i = 0;
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/* ask retransmission of missing packets */
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for (i = GPOINTER_TO_UINT (seqnum_prev) + rtxdata->seqnum_offset;
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i < seqnum; i += rtxdata->seqnum_offset) {
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GstEvent *event = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
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gst_structure_new ("GstRTPRetransmissionRequest",
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"seqnum", G_TYPE_UINT, i,
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"ssrc", G_TYPE_UINT, gst_rtp_buffer_get_ssrc (&rtp),
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"payload-type", G_TYPE_UINT,
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gst_rtp_buffer_get_payload_type (&rtp),
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NULL));
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gst_pad_push_event (peerpad, event);
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}
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gst_object_unref (peerpad);
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g_hash_table_insert (rtxdata->ssrc_to_seqnum_offset_map,
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GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (seqnum));
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} else if (seqnum ==
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GPOINTER_TO_UINT (seqnum_prev) + rtxdata->seqnum_offset) {
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/* also update previous seqnum in this case */
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g_hash_table_insert (rtxdata->ssrc_to_seqnum_offset_map,
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GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (seqnum));
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} else {
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/* receive retransmited packet */
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}
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gst_rtp_buffer_unmap (&rtp);
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nb_packets =
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GPOINTER_TO_UINT (g_hash_table_lookup (rtxdata->ssrc_to_nb_packets_map,
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GUINT_TO_POINTER (ssrc)));
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g_hash_table_insert (rtxdata->ssrc_to_nb_packets_map,
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GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (++nb_packets));
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}
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return GST_PAD_PROBE_OK;
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}
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static void
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reset_rtx_send_data (RTXSendMultipleData * send_rtxdata, gpointer data)
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{
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send_rtxdata->count = 1;
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send_rtxdata->nb_packets = 0;
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send_rtxdata->drop_every_n_packets = *(guint *) data;
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}
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/* compute number of all packets sent by all sender */
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static void
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compute_total_packets_sent (RTXSendMultipleData * send_rtxdata, gpointer data)
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{
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guint *sum = (guint *) data;
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*sum += send_rtxdata->nb_packets;
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}
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/* compute number of all packets received by rtprtxreceive::src pad */
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static void
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compute_total_packets_received (gpointer key, gpointer value, gpointer data)
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{
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guint *sum = (guint *) data;
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*sum += GPOINTER_TO_UINT (value);
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}
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static void
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start_test_drop_multiple_and_check_results (GstElement * bin,
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GList * send_rtxdata_list, RTXReceiveMultipleData * receive_rtxdata,
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guint drop_every_n_packets)
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{
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GstStateChangeReturn state_res = GST_STATE_CHANGE_FAILURE;
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GstElement *rtprtxreceive =
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gst_bin_get_by_name (GST_BIN (bin), "rtprtxreceive");
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guint sum_all_packets_sent = 0;
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guint sum_rtx_packets_sent = 0;
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guint sum_all_packets_received = 0;
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guint sum_rtx_packets_received = 0;
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guint sum_rtx_assoc_packets_received = 0;
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guint sum_rtx_dropped_packets_received = 0;
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gdouble error_sent_recv = 0;
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GstIterator *itr_elements = NULL;
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gboolean done = FALSE;
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GValue item = { 0 };
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GstElement *element = NULL;
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gchar *name = NULL;
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GST_INFO ("starting test");
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g_hash_table_remove_all (receive_rtxdata->ssrc_to_nb_packets_map);
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g_hash_table_remove_all (receive_rtxdata->ssrc_to_seqnum_offset_map);
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g_list_foreach (send_rtxdata_list, (GFunc) reset_rtx_send_data,
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&drop_every_n_packets);
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/* run pipeline */
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state_res = gst_element_set_state (bin, GST_STATE_PLAYING);
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ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
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state_res = gst_element_get_state (bin, NULL, NULL, GST_CLOCK_TIME_NONE);
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ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
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GST_INFO ("running main loop");
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g_main_loop_run (main_loop);
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/* check results */
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itr_elements = gst_bin_iterate_elements (GST_BIN (bin));
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done = FALSE;
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while (!done) {
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switch (gst_iterator_next (itr_elements, &item)) {
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case GST_ITERATOR_OK:
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element = GST_ELEMENT (g_value_get_object (&item));
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name = gst_element_get_name (element);
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if (g_str_has_prefix (name, "rtprtxsend") > 0) {
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guint nb_packets = 0;
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g_object_get (G_OBJECT (element), "num-rtx-packets", &nb_packets,
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NULL);
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sum_rtx_packets_sent += nb_packets;
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}
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g_free (name);
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g_value_reset (&item);
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break;
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case GST_ITERATOR_RESYNC:
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gst_iterator_resync (itr_elements);
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break;
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case GST_ITERATOR_ERROR:
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done = TRUE;
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break;
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case GST_ITERATOR_DONE:
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done = TRUE;
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break;
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}
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}
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g_value_unset (&item);
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gst_iterator_free (itr_elements);
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/* compute number of all packets sent by all sender */
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g_list_foreach (send_rtxdata_list, (GFunc) compute_total_packets_sent,
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&sum_all_packets_sent);
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/* compute number of all packets received by rtprtxreceive::src pad */
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g_hash_table_foreach (receive_rtxdata->ssrc_to_nb_packets_map,
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compute_total_packets_received, (gpointer) & sum_all_packets_received);
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/* check that we sent as many packets as received */
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/* when eos is received by sources we cannot ensure that every packets
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* will be received by sinks (maybe queue flush ?)
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*/
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fail_if (sum_all_packets_sent < sum_all_packets_received);
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/* some packet are not received, I still have to figure out why
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* but I suspect it comes from pipeline setup/shutdown
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*/
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if (sum_all_packets_sent != sum_all_packets_received) {
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error_sent_recv =
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1 - sum_all_packets_received / (gdouble) sum_all_packets_sent;
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fail_if (error_sent_recv > 0.30);
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/* it should be 0% */
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}
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/* retrieve number of retransmit packets received by rtprtxreceive */
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g_object_get (G_OBJECT (rtprtxreceive), "num-rtx-packets",
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&sum_rtx_packets_received, NULL);
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/* some of rtx packet are not received because the receiver avoids
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* collision (= requests that have the same seqnum)
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*/
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fail_if (sum_rtx_packets_sent < sum_rtx_packets_received);
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g_object_get (G_OBJECT (rtprtxreceive), "num-rtx-assoc-packets",
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&sum_rtx_assoc_packets_received, NULL);
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sum_rtx_dropped_packets_received =
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sum_rtx_packets_received - sum_rtx_assoc_packets_received;
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fail_unless_equals_int (sum_rtx_packets_sent,
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sum_rtx_assoc_packets_received + sum_rtx_dropped_packets_received);
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gst_object_unref (rtprtxreceive);
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state_res = gst_element_set_state (bin, GST_STATE_NULL);
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ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
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}
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static void
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free_rtx_send_data (gpointer data)
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{
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g_slice_free (RTXSendMultipleData, data);
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}
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/* This test build the pipeline funnel name=funnel
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* videotestsrc ! rtpvrawpay ! rtprtxsend ! queue ! funnel.
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* videotestsrc ! rtpvrawpay ! rtprtxsend ! queue ! funnel.
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* N
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* funnel. ! rtprtxreceive ! fakesink
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* and drop some buffer just after each rtprtxsend
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* Then it checks that every dropped packet has been re-sent and it checks
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* that not too much requests has been sent.
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*/
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GST_START_TEST (test_drop_multiple_sender)
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{
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GstElement *bin, *funnel, *rtprtxreceive, *sink;
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GstBus *bus;
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gboolean res;
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GstPad *srcpad;
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guint drop_every_n_packets = 0;
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GList *send_rtxdata_list = NULL;
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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)
|
||||
{
|
||||
|
|
@ -575,6 +1070,7 @@ 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;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue