Improve dcall
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26d2d2f85c
commit
72199376a6
137
src/dcall.c
137
src/dcall.c
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@ -1,83 +1,96 @@
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#include <gst/gst.h>
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#include <glib-2.0/glib.h>
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#include <glib-2.0/gmodule.h>
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#include <glib-2.0/glib-object.h>
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#include <glib-2.0/glib-unix.h>
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int create_rx_chain(GstElement *pipeline) {
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struct dcall_elements {
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GstElement *pipeline;
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GstElement *rx_tap, *rx_jitterbuffer, *rx_depay, *rx_opusdec, *rx_resample, *rx_echocancel, *rx_sink;
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GstElement *tx_tap, *tx_echocancel, *tx_queue, *tx_resample, *tx_opusenc, *tx_pay, *tx_sink;
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char* remote_host;
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};
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rx_tap = gst_element_factory_make("udpsrc", "rx-tap");
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rx_jitterbuffer = gst_element_factory_make("rtpjitterbuffer", "rx-jitterbuffer");
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rx_depay = gst_element_factory_make("rtpopusdepay", "rx-depay");
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rx_opusdec = gst_element_factory_make("opusdec", "rx-opusdec");
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rx_resample = gst_element_factory_make("audioresample", "rx-audioresample");
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rx_echocancel = gst_element_factory_make("webrtcechoprobe", "rx-echocancel");
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rx_sink = gst_element_factory_make("autoaudiosink", "rx-sink");
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int create_rx_chain(struct dcall_elements* de) {
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de->rx_tap = gst_element_factory_make("udpsrc", "rx-tap");
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de->rx_jitterbuffer = gst_element_factory_make("rtpjitterbuffer", "rx-jitterbuffer");
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de->rx_depay = gst_element_factory_make("rtpopusdepay", "rx-depay");
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de->rx_opusdec = gst_element_factory_make("opusdec", "rx-opusdec");
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de->rx_resample = gst_element_factory_make("audioresample", "rx-audioresample");
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de->rx_echocancel = gst_element_factory_make("webrtcechoprobe", "rx-echocancel");
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de->rx_sink = gst_element_factory_make("autoaudiosink", "rx-sink");
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if (!rx_tap || !rx_jitterbuffer || !rx_depay || !rx_opusdec || !rx_resample || !rx_echocancel || !rx_sink) {
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if (!de->rx_tap || !de->rx_jitterbuffer || !de->rx_depay || !de->rx_opusdec || !de->rx_resample || !de->rx_echocancel || !de->rx_sink) {
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g_printerr ("One element of the rx chain could not be created. Exiting.\n");
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return -1;
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}
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g_object_set(G_OBJECT (rx_tap), "port", 5000, NULL);
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g_object_set(G_OBJECT (de->rx_tap), "port", 5000, NULL);
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//g_object_set(G_OBJECT (rx_tap), "address", "127.0.0.1", NULL);
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g_object_set(G_OBJECT (rx_tap), "caps", gst_caps_new_simple("application/x-rtp", "media", G_TYPE_STRING, "audio", NULL), NULL);
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g_object_set(G_OBJECT (de->rx_tap), "caps", gst_caps_new_simple("application/x-rtp", "media", G_TYPE_STRING, "audio", NULL), NULL);
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g_object_set(G_OBJECT (rx_jitterbuffer), "do-lost", TRUE, NULL);
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g_object_set(G_OBJECT (rx_jitterbuffer), "do-retransmission", FALSE, NULL);
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g_object_set(G_OBJECT (rx_jitterbuffer), "latency", 50, NULL);
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g_object_set(G_OBJECT (de->rx_jitterbuffer), "do-lost", TRUE, NULL);
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g_object_set(G_OBJECT (de->rx_jitterbuffer), "do-retransmission", FALSE, NULL);
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g_object_set(G_OBJECT (de->rx_jitterbuffer), "latency", 50, NULL);
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g_object_set(G_OBJECT (rx_opusdec), "plc", TRUE, NULL);
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g_object_set(G_OBJECT (rx_opusdec), "use-inband-fec", FALSE, NULL);
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g_object_set(G_OBJECT (de->rx_opusdec), "plc", TRUE, NULL);
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g_object_set(G_OBJECT (de->rx_opusdec), "use-inband-fec", FALSE, NULL);
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gst_bin_add_many (GST_BIN (pipeline), rx_tap, rx_jitterbuffer, rx_depay, rx_opusdec, rx_resample, rx_echocancel, rx_sink, NULL);
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gst_element_link_many (rx_tap, rx_jitterbuffer, rx_depay, rx_opusdec, rx_resample, rx_echocancel, rx_sink, NULL);
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gst_bin_add_many (GST_BIN (de->pipeline), de->rx_tap, de->rx_jitterbuffer, de->rx_depay, de->rx_opusdec, de->rx_resample, de->rx_echocancel, de->rx_sink, NULL);
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gst_element_link_many (de->rx_tap, de->rx_jitterbuffer, de->rx_depay, de->rx_opusdec, de->rx_resample, de->rx_echocancel, de->rx_sink, NULL);
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return 0;
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}
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int create_tx_chain(GstElement *pipeline, char* remote_host) {
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GstElement *tx_tap, *tx_echocancel, *tx_queue, *tx_resample, *tx_opusenc, *tx_pay, *tx_sink;
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tx_tap = gst_element_factory_make("autoaudiosrc", "tx-tap");
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tx_echocancel = gst_element_factory_make("webrtcdsp", "tx-echocancel");
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int create_tx_chain(struct dcall_elements* de) {
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de->tx_tap = gst_element_factory_make("autoaudiosrc", "tx-tap");
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de->tx_echocancel = gst_element_factory_make("webrtcdsp", "tx-echocancel");
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//tx_queue = gst_element_factory_make("queue", "tx-queue");
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tx_resample = gst_element_factory_make("audioresample", "tx-resample");
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tx_opusenc = gst_element_factory_make("opusenc", "tx-opusenc");
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tx_pay = gst_element_factory_make("rtpopuspay", "tx-rtpopuspay");
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tx_sink = gst_element_factory_make("udpsink", "tx-sink");
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de->tx_resample = gst_element_factory_make("audioresample", "tx-resample");
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de->tx_opusenc = gst_element_factory_make("opusenc", "tx-opusenc");
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de->tx_pay = gst_element_factory_make("rtpopuspay", "tx-rtpopuspay");
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de->tx_sink = gst_element_factory_make("udpsink", "tx-sink");
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if (!tx_tap || !tx_echocancel || /*!tx_queue ||*/ !tx_resample || !tx_opusenc || !tx_pay || !tx_sink) {
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if (!de->tx_tap || !de->tx_echocancel || /*!de->tx_queue ||*/ !de->tx_resample || !de->tx_opusenc || !de->tx_pay || !de->tx_sink) {
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g_printerr("One element of the tx chain could not be created. Exiting.\n");
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return -1;
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}
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gst_util_set_object_arg(G_OBJECT(tx_opusenc), "audio-type", "voice");
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g_object_set(G_OBJECT(tx_opusenc), "inband-fec", FALSE, NULL);
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g_object_set(G_OBJECT(tx_opusenc), "frame-size", 40, NULL);
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g_object_set(G_OBJECT(tx_opusenc), "bitrate", 32000, NULL);
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g_object_set(G_OBJECT(tx_opusenc), "dtx", FALSE, NULL); // gstreamer dtx opus implem. is broken
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gst_util_set_object_arg(G_OBJECT(de->tx_opusenc), "audio-type", "voice");
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g_object_set(G_OBJECT(de->tx_opusenc), "inband-fec", FALSE, NULL);
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g_object_set(G_OBJECT(de->tx_opusenc), "frame-size", 40, NULL);
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g_object_set(G_OBJECT(de->tx_opusenc), "bitrate", 32000, NULL);
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g_object_set(G_OBJECT(de->tx_opusenc), "dtx", FALSE, NULL); // gstreamer dtx opus implem. is broken
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g_object_set(G_OBJECT(tx_sink), "host", remote_host, NULL);
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g_object_set(G_OBJECT(tx_sink), "port", 5000, NULL);
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g_object_set(G_OBJECT(tx_sink), "async", FALSE, NULL);
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g_object_set(G_OBJECT(de->tx_sink), "host", de->remote_host, NULL);
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g_object_set(G_OBJECT(de->tx_sink), "port", 5000, NULL);
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g_object_set(G_OBJECT(de->tx_sink), "async", FALSE, NULL);
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g_object_set(G_OBJECT(tx_echocancel), "echo-cancel", TRUE, NULL);
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g_object_set(G_OBJECT(tx_echocancel), "extended-filter", TRUE, NULL);
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g_object_set(G_OBJECT(tx_echocancel), "gain-control", TRUE, NULL);
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g_object_set(G_OBJECT(tx_echocancel), "high-pass-filter", TRUE, NULL);
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g_object_set(G_OBJECT(tx_echocancel), "limiter", FALSE, NULL);
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g_object_set(G_OBJECT(tx_echocancel), "noise-suppression", TRUE, NULL);
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g_object_set(G_OBJECT(tx_echocancel), "probe", "rx-echocancel", NULL);
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g_object_set(G_OBJECT(tx_echocancel), "voice-detection", FALSE, NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "echo-cancel", TRUE, NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "extended-filter", TRUE, NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "gain-control", TRUE, NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "high-pass-filter", TRUE, NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "limiter", FALSE, NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "noise-suppression", TRUE, NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "probe", "rx-echocancel", NULL);
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g_object_set(G_OBJECT(de->tx_echocancel), "voice-detection", FALSE, NULL);
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gst_bin_add_many(GST_BIN(pipeline), tx_tap, tx_echocancel, /*tx_queue,*/ tx_resample, tx_opusenc, tx_pay, tx_sink, NULL);
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gst_element_link_many(tx_tap, tx_echocancel, /*tx_queue,*/ tx_resample, tx_opusenc, tx_pay, tx_sink, NULL);
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gst_bin_add_many(GST_BIN(de->pipeline), de->tx_tap, de->tx_echocancel, /*tx_queue,*/ de->tx_resample, de->tx_opusenc, de->tx_pay, de->tx_sink, NULL);
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gst_element_link_many(de->tx_tap, de->tx_echocancel, /*tx_queue,*/ de->tx_resample, de->tx_opusenc, de->tx_pay, de->tx_sink, NULL);
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return 0;
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}
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gboolean stop_handler(gpointer user_data) {
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GMainLoop *loop = user_data;
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g_main_loop_quit(loop);
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return TRUE;
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}
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int main(int argc, char *argv[]) {
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GMainLoop *loop;
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GstElement *pipeline;
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char *remote_host;
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struct dcall_elements de;
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/* Check input arguments */
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if (argc != 2) {
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@ -89,24 +102,38 @@ int main(int argc, char *argv[]) {
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gst_init (&argc, &argv);
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loop = g_main_loop_new (NULL, FALSE);
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pipeline = gst_pipeline_new ("pipeline");
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if (!pipeline) {
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de.pipeline = gst_pipeline_new ("pipeline");
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if (!de.pipeline) {
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g_printerr ("Pipeline could not be created. Exiting.\n");
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return -1;
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}
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if (create_rx_chain (pipeline) != 0) return -1;
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if (create_tx_chain (pipeline, remote_host) != 0) return -1;
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if (create_rx_chain (&de) != 0) return -1;
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if (create_tx_chain (&de) != 0) return -1;
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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gst_element_set_state (de.pipeline, GST_STATE_PLAYING);
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g_unix_signal_add (SIGTERM, stop_handler, loop);
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g_unix_signal_add (SIGINT, stop_handler, loop);
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g_print ("Running...\n");
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g_main_loop_run (loop);
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g_print ("Returned, stopping playback\n");
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gst_element_set_state (pipeline, GST_STATE_NULL);
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g_print ("Main loop stopped...\n");
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gst_object_unref (GST_OBJECT (pipeline));
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GstStructure *stats;
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guint64 num_pushed, num_lost, num_late, num_duplicates;
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g_object_get(de.rx_jitterbuffer, "stats", &stats, NULL);
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gst_structure_get_uint64(stats, "num-pushed", &num_pushed);
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gst_structure_get_uint64(stats, "num-lost", &num_lost);
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gst_structure_get_uint64(stats, "num-late", &num_late);
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gst_structure_get_uint64(stats, "num-duplicates", &num_duplicates);
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g_print("pkt_delivered=%ld, pkt_lost=%ld, pkt_late=%ld, pkt_duplicates=%ld\n", num_pushed, num_lost, num_late, num_duplicates);
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gst_element_set_state (de.pipeline, GST_STATE_NULL);
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gst_object_unref (GST_OBJECT (de.pipeline));
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g_main_loop_unref (loop);
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return 0;
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