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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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rtpaux/rtprtx: Make tests non-racy
Fix the raciness by iterating on a condition instead of using the gmainloop. Don't use the EOS as the target, otherwise the retransmission of the last packets are lost. Also count the retranmissions requests that are dropped. Check the condition before blocking on the GCond https://bugzilla.gnome.org/show_bug.cgi?id=728501
This commit is contained in:
Olivier Crête
parent
b2a52035bf
commit
985897d8d9
2 changed files with 124 additions and 88 deletions
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@ -24,7 +24,8 @@
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#include <gst/check/gsttestclock.h>
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#include <gst/rtp/gstrtpbuffer.h>
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static GMainLoop *main_loop;
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static gboolean send_pipeline_eos = FALSE;
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static gboolean receive_pipeline_eos = FALSE;
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static void
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message_received (GstBus * bus, GstMessage * message, GstPipeline * bin)
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@ -34,7 +35,15 @@ message_received (GstBus * bus, GstMessage * message, GstPipeline * bin)
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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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if (!strcmp ("pipeline_send",
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GST_OBJECT_NAME (GST_MESSAGE_SRC (message))))
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send_pipeline_eos = TRUE;
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else if (!strcmp ("pipeline_receive",
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GST_OBJECT_NAME (GST_MESSAGE_SRC (message))))
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receive_pipeline_eos = TRUE;
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else
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fail ("Unknown pipeline: %s",
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GST_OBJECT_NAME (GST_MESSAGE_SRC (message)));
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break;
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case GST_MESSAGE_WARNING:{
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GError *gerror;
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@ -54,7 +63,7 @@ message_received (GstBus * bus, GstMessage * message, GstPipeline * bin)
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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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fail ("Error!");
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break;
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}
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default:
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@ -334,7 +343,6 @@ GST_START_TEST (test_simple_rtpbin_aux)
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recvrtcp_udpsink, "sink", GST_PAD_LINK_CHECK_NOTHING);
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fail_unless (res == TRUE, NULL);
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main_loop = g_main_loop_new (NULL, FALSE);
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g_signal_connect (bussend, "message::error", (GCallback) message_received,
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binsend);
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g_signal_connect (bussend, "message::warning", (GCallback) message_received,
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@ -359,8 +367,8 @@ GST_START_TEST (test_simple_rtpbin_aux)
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g_timeout_add (5000, on_timeout, binreceive);
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GST_INFO ("enter mainloop");
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g_main_loop_run (main_loop);
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g_main_loop_run (main_loop);
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while (!send_pipeline_eos && !receive_pipeline_eos)
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g_main_context_iteration (NULL, TRUE);
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GST_INFO ("exit mainloop");
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/* check that FB NACK is working */
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@ -381,8 +389,6 @@ GST_START_TEST (test_simple_rtpbin_aux)
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fail_if (nb_rtx_recv_packets < 1);
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/* cleanup */
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g_main_loop_unref (main_loop);
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gst_bus_remove_signal_watch (bussend);
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gst_object_unref (bussend);
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gst_object_unref (binsend);
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@ -31,8 +31,6 @@ static GstPad *srcpad, *sinkpad;
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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 GMainLoop *main_loop;
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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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@ -256,14 +254,14 @@ GST_START_TEST (test_push_forward_seq)
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GST_END_TEST;
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static void
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message_received (GstBus * bus, GstMessage * message, GstPipeline * bin)
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message_received (GstBus * bus, GstMessage * message, gboolean * eos)
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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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*eos = TRUE;
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break;
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case GST_MESSAGE_WARNING:{
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GError *gerror;
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@ -281,9 +279,9 @@ message_received (GstBus * bus, GstMessage * message, GstPipeline * bin)
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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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fail ("Error: %s / %s", gerror->message, 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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@ -392,7 +390,7 @@ static void
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start_test_drop_and_check_results (GstElement * bin, GstElement * rtppayloader,
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GstElement * rtprtxsend, GstElement * rtprtxreceive,
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RTXSendData * send_rtxdata, RTXReceiveData * receive_rtxdata,
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guint drop_every_n_packets)
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guint drop_every_n_packets, gboolean * eos)
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{
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GstStateChangeReturn state_res = GST_STATE_CHANGE_FAILURE;
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guint nbrtxrequests = 0;
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@ -439,7 +437,8 @@ start_test_drop_and_check_results (GstElement * bin, GstElement * rtppayloader,
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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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while (!*eos)
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g_main_context_iteration (NULL, TRUE);
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/* check results */
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@ -495,6 +494,7 @@ GST_START_TEST (test_drop_one_sender)
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guint drop_every_n_packets = 0;
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RTXSendData send_rtxdata;
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RTXReceiveData receive_rtxdata;
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gboolean eos = FALSE;
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GST_INFO ("preparing test");
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@ -547,19 +547,19 @@ GST_START_TEST (test_drop_one_sender)
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gst_object_unref (sinkpad);
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gst_object_unref (srcpad);
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main_loop = g_main_loop_new (NULL, FALSE);
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g_signal_connect (bus, "message::error", (GCallback) message_received, bin);
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g_signal_connect (bus, "message::warning", (GCallback) message_received, bin);
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g_signal_connect (bus, "message::eos", (GCallback) message_received, bin);
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g_signal_connect (bus, "message::error", (GCallback) message_received, NULL);
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g_signal_connect (bus, "message::warning", (GCallback) message_received,
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NULL);
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g_signal_connect (bus, "message::eos", (GCallback) message_received, &eos);
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for (drop_every_n_packets = 2; drop_every_n_packets < 10;
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drop_every_n_packets++) {
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start_test_drop_and_check_results (bin, rtppayloader, rtprtxsend,
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rtprtxreceive, &send_rtxdata, &receive_rtxdata, drop_every_n_packets);
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rtprtxreceive, &send_rtxdata, &receive_rtxdata, drop_every_n_packets,
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&eos);
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}
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/* cleanup */
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g_main_loop_unref (main_loop);
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gst_consistency_checker_free (chk_1);
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gst_consistency_checker_free (chk_2);
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gst_consistency_checker_free (chk_3);
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@ -570,21 +570,13 @@ 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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message_received_multiple (GstBus * bus, GstMessage * message, gpointer data)
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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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@ -601,9 +593,9 @@ message_received_multiple (GstBus * bus, GstMessage * message,
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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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fail ("Error: %s / %s", gerror->message, 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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@ -617,6 +609,7 @@ typedef struct
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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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guint total_packets;
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} RTXSendMultipleData;
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/* drop some packets */
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@ -640,7 +633,11 @@ rtprtxsend_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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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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/* but make sure we never drop the last one, otherwise there
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* will be nothing to trigger a retransmission.
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*/
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if (rtxdata->count < rtxdata->drop_every_n_packets ||
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rtxdata->nb_packets == rtxdata->total_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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@ -659,33 +656,37 @@ rtprtxsend_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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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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source_srcpad_probe_multiple_drop_eos (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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GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
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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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if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
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return GST_PAD_PROBE_DROP;
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else
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return GST_PAD_PROBE_OK;
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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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gint to_send;
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volatile gint dropped_requests;
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volatile gint received;
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gboolean request_passed;
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} RTXReceiveMultipleData;
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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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guint payload_type_aux, RTXReceiveMultipleData * rtxdata)
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{
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GstElement *src = NULL;
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GstCaps *caps;
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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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@ -700,6 +701,8 @@ add_sender (GstElement * bin, const gchar * src_name,
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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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send_rtxdata->total_packets = 25;
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rtxdata->to_send += send_rtxdata->total_packets;
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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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@ -712,7 +715,8 @@ add_sender (GstElement * bin, const gchar * src_name,
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pt_master, G_TYPE_UINT, payload_type_aux, NULL);
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g_free (pt_master);
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g_object_set (src, "num-buffers", 25, NULL);
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g_object_set (src, "num-buffers", send_rtxdata->total_packets, NULL);
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g_object_set (src, "is-live", TRUE, 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, "payload-type-map", pt_map, NULL);
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@ -724,7 +728,11 @@ add_sender (GstElement * bin, const gchar * src_name,
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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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/* Make sure we have one buffer per frame, makes it easier to count! */
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caps =
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gst_caps_from_string ("video/x-raw, width=20, height=10, framerate=30/1");
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res = gst_element_link_filtered (src, rtppayloader, caps);
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gst_caps_unref (caps);
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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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@ -743,23 +751,36 @@ add_sender (GstElement * bin, const gchar * src_name,
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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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srcpad = gst_element_get_static_pad (src, "src");
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gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
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(GstPadProbeCallback) source_srcpad_probe_multiple_drop_eos, 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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static GstPadProbeReturn
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rtprtxreceive_sinkpad_probe_check_drop (GstPad * pad, GstPadProbeInfo * info,
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gpointer user_data)
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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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GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
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RTXReceiveMultipleData *rtxdata = (RTXReceiveMultipleData *) user_data;
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if (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_UPSTREAM &&
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gst_event_get_structure (event) != NULL &&
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gst_structure_has_name (gst_event_get_structure (event),
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"GstRTPRetransmissionRequest"))
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rtxdata->request_passed = TRUE;
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return GST_PAD_PROBE_OK;
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}
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static gboolean
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check_finished (RTXReceiveMultipleData * rtxdata)
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{
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return (g_atomic_int_get (&rtxdata->received) >= (rtxdata->to_send -
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g_atomic_int_get (&rtxdata->dropped_requests)));
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}
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static GstPadProbeReturn
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rtprtxreceive_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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@ -778,6 +799,10 @@ rtprtxreceive_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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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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g_atomic_int_inc (&rtxdata->received);
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if (check_finished (rtxdata))
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g_main_context_wakeup (NULL);
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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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@ -789,6 +814,7 @@ rtprtxreceive_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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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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@ -805,7 +831,13 @@ rtprtxreceive_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
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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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rtxdata->request_passed = FALSE;
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gst_pad_push_event (peerpad, event);
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if (!rtxdata->request_passed) {
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g_atomic_int_inc (&rtxdata->dropped_requests);
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if (check_finished (rtxdata))
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g_main_context_wakeup (NULL);
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}
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}
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gst_object_unref (peerpad);
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@ -879,6 +911,9 @@ start_test_drop_multiple_and_check_results (GstElement * bin,
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GST_INFO ("starting test");
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g_atomic_int_set (&receive_rtxdata->received, 0);
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g_atomic_int_set (&receive_rtxdata->dropped_requests, 0);
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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);
|
||||
|
||||
|
|
@ -893,7 +928,8 @@ start_test_drop_multiple_and_check_results (GstElement * bin,
|
|||
ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
|
||||
|
||||
GST_INFO ("running main loop");
|
||||
g_main_loop_run (main_loop);
|
||||
while (!check_finished (receive_rtxdata))
|
||||
g_main_context_iteration (NULL, TRUE);
|
||||
|
||||
/* check results */
|
||||
itr_elements = gst_bin_iterate_elements (GST_BIN (bin));
|
||||
|
|
@ -934,10 +970,8 @@ start_test_drop_multiple_and_check_results (GstElement * bin,
|
|||
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 ?)
|
||||
*/
|
||||
sum_all_packets_received +=
|
||||
g_atomic_int_get (&receive_rtxdata->dropped_requests);
|
||||
fail_if (sum_all_packets_sent < sum_all_packets_received);
|
||||
|
||||
/* some packet are not received, I still have to figure out why
|
||||
|
|
@ -990,10 +1024,10 @@ GST_START_TEST (test_drop_multiple_sender)
|
|||
GstElement *bin, *funnel, *rtprtxreceive, *sink;
|
||||
GstBus *bus;
|
||||
gboolean res;
|
||||
GstPad *srcpad;
|
||||
GstPad *srcpad, *sinkpad;
|
||||
guint drop_every_n_packets = 0;
|
||||
GList *send_rtxdata_list = NULL;
|
||||
RTXReceiveMultipleData receive_rtxdata;
|
||||
RTXReceiveMultipleData receive_rtxdata = { NULL };
|
||||
GstStructure *pt_map;
|
||||
|
||||
GST_INFO ("preparing test");
|
||||
|
|
@ -1016,21 +1050,18 @@ GST_START_TEST (test_drop_multiple_sender)
|
|||
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));
|
||||
"rtpvrawpay", 96, 121, &receive_rtxdata));
|
||||
send_rtxdata_list =
|
||||
g_list_append (send_rtxdata_list, add_sender (bin, "videotestsrc",
|
||||
"rtpvrawpay", 97, 122));
|
||||
"rtpvrawpay", 97, 122, &receive_rtxdata));
|
||||
send_rtxdata_list =
|
||||
g_list_append (send_rtxdata_list, add_sender (bin, "videotestsrc",
|
||||
"rtpvrawpay", 98, 123));
|
||||
"rtpvrawpay", 98, 123, &receive_rtxdata));
|
||||
send_rtxdata_list =
|
||||
g_list_append (send_rtxdata_list, add_sender (bin, "videotestsrc",
|
||||
"rtpvrawpay", 99, 124));
|
||||
"rtpvrawpay", 99, 124, &receive_rtxdata));
|
||||
|
||||
pt_map = gst_structure_new ("application/x-rtp-pt-map",
|
||||
"96", G_TYPE_UINT, 121, "97", G_TYPE_UINT, 122,
|
||||
|
|
@ -1050,23 +1081,25 @@ GST_START_TEST (test_drop_multiple_sender)
|
|||
&receive_rtxdata, NULL);
|
||||
gst_object_unref (srcpad);
|
||||
|
||||
main_loop = g_main_loop_new (NULL, FALSE);
|
||||
sinkpad = gst_element_get_static_pad (rtprtxreceive, "sink");
|
||||
gst_pad_add_probe (sinkpad,
|
||||
GST_PAD_PROBE_TYPE_EVENT_UPSTREAM,
|
||||
(GstPadProbeCallback) rtprtxreceive_sinkpad_probe_check_drop,
|
||||
&receive_rtxdata, NULL);
|
||||
gst_object_unref (sinkpad);
|
||||
|
||||
g_signal_connect (bus, "message::error",
|
||||
(GCallback) message_received_multiple, bin);
|
||||
(GCallback) message_received_multiple, NULL);
|
||||
g_signal_connect (bus, "message::warning",
|
||||
(GCallback) message_received_multiple, bin);
|
||||
g_signal_connect (bus, "message::eos", (GCallback) message_received_multiple,
|
||||
bin);
|
||||
(GCallback) message_received_multiple, NULL);
|
||||
|
||||
for (drop_every_n_packets = 2; drop_every_n_packets < 10;
|
||||
drop_every_n_packets++) {
|
||||
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);
|
||||
|
|
@ -1075,8 +1108,6 @@ GST_START_TEST (test_drop_multiple_sender)
|
|||
gst_bus_remove_signal_watch (bus);
|
||||
gst_object_unref (bus);
|
||||
gst_object_unref (bin);
|
||||
|
||||
g_mutex_clear (&lock_eos);
|
||||
}
|
||||
|
||||
GST_END_TEST;
|
||||
|
|
@ -1269,10 +1300,9 @@ test_rtxsender_packet_retention (gboolean test_with_time)
|
|||
* to actually retransmit something */
|
||||
if (j >= MAX (i - half_buffers, 1)) {
|
||||
guint64 end_time = g_get_monotonic_time () + G_TIME_SPAN_SECOND;
|
||||
do
|
||||
res = g_cond_wait_until (&check_cond, &check_mutex, end_time);
|
||||
while (res == TRUE && last_out_buffer == g_list_last (buffers));
|
||||
fail_unless_equals_int (res, TRUE);
|
||||
|
||||
while (last_out_buffer == g_list_last (buffers))
|
||||
fail_unless (g_cond_wait_until (&check_cond, &check_mutex, end_time));
|
||||
}
|
||||
g_mutex_unlock (&check_mutex);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue