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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
#include <gst/gst.h>
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static gint looping;
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static GstEvent *event;
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static GstPad *pad;
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static void
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event_received (GObject * object, GstEvent * event, GstElement * pipeline)
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{
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if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT_DONE) {
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g_print ("segment done\n");
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if (--looping == 1) {
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event = gst_event_new_segment_seek (GST_FORMAT_DEFAULT |
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GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, 20, 25);
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} else {
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event = gst_event_new_segment_seek (GST_FORMAT_DEFAULT |
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GST_SEEK_METHOD_SET |
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GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SEGMENT_LOOP, 50, 55);
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}
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gst_pad_send_event (pad, event);
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}
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}
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gint
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main (gint argc, gchar * argv[])
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{
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GstElement *pipeline;
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GstElement *fakesrc;
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GstElement *fakesink;
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guint64 value;
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GstFormat format;
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gst_init (&argc, &argv);
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pipeline = gst_pipeline_new ("pipeline");
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fakesrc = gst_element_factory_make ("fakesrc", "src");
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fakesink = gst_element_factory_make ("fakesink", "sink");
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gst_bin_add (GST_BIN (pipeline), fakesrc);
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gst_bin_add (GST_BIN (pipeline), fakesink);
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gst_element_link_pads (fakesrc, "src", fakesink, "sink");
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gst_element_set_state (pipeline, GST_STATE_READY);
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pad = gst_element_get_pad (fakesrc, "src");
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g_print ("doing segment seek from 5 to 10\n");
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gst_pad_send_event (pad,
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gst_event_new_segment_seek (GST_FORMAT_DEFAULT |
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GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, 5, 10));
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format = GST_FORMAT_DEFAULT;
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gst_pad_query (pad, GST_QUERY_START, &format, &value);
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g_print ("configured for start %" G_GINT64_FORMAT "\n", value);
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gst_pad_query (pad, GST_QUERY_SEGMENT_END, &format, &value);
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g_print ("configured segment end %" G_GINT64_FORMAT "\n", value);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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g_signal_connect (G_OBJECT (pipeline), "deep_notify",
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G_CALLBACK (gst_element_default_deep_notify), NULL);
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while (gst_bin_iterate (GST_BIN (pipeline)));
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g_print
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("doing segment seek from 50 to 55 with looping (2 times), then 20 to 25 without looping\n");
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looping = 3;
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event = gst_event_new_segment_seek (GST_FORMAT_DEFAULT |
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GST_SEEK_METHOD_SET |
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GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SEGMENT_LOOP, 50, 55);
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gst_pad_send_event (pad, event);
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g_signal_connect (G_OBJECT (gst_element_get_pad (fakesink, "sink")),
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"event_received", G_CALLBACK (event_received), event);
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gst_pad_query (pad, GST_QUERY_START, &format, &value);
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g_print ("configured for start %" G_GINT64_FORMAT "\n", value);
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gst_pad_query (pad, GST_QUERY_SEGMENT_END, &format, &value);
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g_print ("configured segment end %" G_GINT64_FORMAT "\n", value);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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while (gst_bin_iterate (GST_BIN (pipeline)));
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gst_element_set_state (pipeline, GST_STATE_NULL);
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return 0;
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}
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