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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
#include <gtk/gtk.h>
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#include <gst/gst.h>
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extern gboolean _gst_plugin_spew;
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gboolean idle_func (gpointer data);
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GtkWidget *drawingarea;
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int
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main (int argc, char *argv[])
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{
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GstElement *bin;
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GstElementFactory *srcfactory;
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GstElement *src;
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GstElementFactory *wavefactory;
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GstElement *wave;
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GtkWidget *wave_widget;
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GtkWidget *appwindow;
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gst_init (&argc, &argv);
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gst_plugin_load ("libsmoothwave.so");
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gtk_init (&argc, &argv);
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bin = gst_pipeline_new ("bin");
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srcfactory = gst_element_factory_find ("sinesrc");
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g_return_val_if_fail (srcfactory != NULL, -1);
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wavefactory = gst_element_factory_find ("smoothwave");
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g_return_val_if_fail (wavefactory != NULL, -1);
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src = gst_element_factory_create (srcfactory, "src");
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//g_object_set(G_OBJECT(src),"bytes_per_read",(gulong)2048,NULL);
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wave = gst_element_factory_create (wavefactory, "wave");
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g_object_set (G_OBJECT (wave), "width", 256, "height", 100, NULL);
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gst_bin_add (GST_BIN (bin), GST_ELEMENT (src));
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gst_bin_add (GST_BIN (bin), GST_ELEMENT (wave));
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gst_pad_link (gst_element_get_pad (src, "src"),
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gst_element_get_pad (wave, "sink"));
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appwindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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g_object_get (G_OBJECT (wave), "widget", &wave_widget, NULL);
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gtk_container_add (GTK_CONTAINER (appwindow), wave_widget);
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gtk_widget_show_all (appwindow);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
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g_idle_add (idle_func, bin);
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gtk_main ();
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return 0;
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}
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gboolean
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idle_func (gpointer data)
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{
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gst_bin_iterate (GST_BIN (data));
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return TRUE;
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}
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