mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
#include <gst/gst.h>
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#include <gnome.h>
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static void
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gst_play_have_type (GstElement *sink, GstElement *sink2, gpointer data)
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{
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GST_DEBUG (0,"GstPipeline: play have type %p\n", (gboolean *)data);
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*(gboolean *)data = TRUE;
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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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return gst_bin_iterate (GST_BIN (data));
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}
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static GstCaps*
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gst_play_typefind (GstBin *bin, GstElement *element)
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{
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gboolean found = FALSE;
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GstElement *typefind;
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GstCaps *caps = NULL;
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GST_DEBUG (0,"GstPipeline: typefind for element \"%s\" %p\n",
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GST_ELEMENT_NAME(element), &found);
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typefind = gst_elementfactory_make ("typefind", "typefind");
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g_return_val_if_fail (typefind != NULL, FALSE);
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gtk_signal_connect (GTK_OBJECT (typefind), "have_type",
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GTK_SIGNAL_FUNC (gst_play_have_type), &found);
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gst_pad_connect (gst_element_get_pad (element, "src"),
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gst_element_get_pad (typefind, "sink"));
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gst_bin_add (bin, typefind);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
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// push a buffer... the have_type signal handler will set the found flag
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gst_bin_iterate (bin);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
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caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
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gst_pad_disconnect (gst_element_get_pad (element, "src"),
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gst_element_get_pad (typefind, "sink"));
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gst_bin_remove (bin, typefind);
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gst_object_unref (GST_OBJECT (typefind));
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return caps;
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}
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int main(int argc,char *argv[])
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{
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GstElement *disksrc, *osssink, *videosink;
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GstElement *bin;
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GtkWidget *appwindow;
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GstCaps *srccaps;
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GstElement *new_element;
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GstAutoplug *autoplug;
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GtkWidget *socket;
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g_thread_init(NULL);
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gst_init(&argc,&argv);
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gnome_init("autoplug","0.0.1", argc,argv);
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if (argc != 2) {
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g_print("usage: %s <filename>\n", argv[0]);
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exit(-1);
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}
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/* create a new bin to hold the elements */
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bin = gst_bin_new("bin");
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g_assert(bin != NULL);
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/* create a disk reader */
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disksrc = gst_elementfactory_make("disksrc", "disk_source");
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g_assert(disksrc != NULL);
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gtk_object_set(GTK_OBJECT(disksrc),"location", argv[1],NULL);
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gst_bin_add (GST_BIN (bin), disksrc);
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srccaps = gst_play_typefind (GST_BIN (bin), disksrc);
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if (!srccaps) {
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g_print ("could not autoplug, unknown media type...\n");
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exit (-1);
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}
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/* and an audio sink */
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osssink = gst_elementfactory_make("osssink", "play_audio");
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g_assert(osssink != NULL);
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/* and an video sink */
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videosink = gst_elementfactory_make("xvideosink", "play_video");
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g_assert(videosink != NULL);
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autoplug = gst_autoplugfactory_make ("staticrender");
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g_assert (autoplug != NULL);
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new_element = gst_autoplug_to_renderers (autoplug,
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srccaps,
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videosink,
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osssink,
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NULL);
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if (!new_element) {
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g_print ("could not autoplug, no suitable codecs found...\n");
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exit (-1);
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}
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gst_bin_add (GST_BIN (bin), new_element);
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gst_element_connect (disksrc, "src", new_element, "sink");
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appwindow = gnome_app_new("autoplug demo","autoplug demo");
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socket = gtk_socket_new ();
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gtk_widget_show (socket);
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gnome_app_set_contents(GNOME_APP(appwindow),
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GTK_WIDGET (socket));
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gtk_widget_realize (socket);
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gtk_socket_steal (GTK_SOCKET (socket),
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gst_util_get_int_arg (GTK_OBJECT (videosink), "xid"));
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gtk_widget_show_all(appwindow);
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xmlSaveFile("xmlTest.gst", gst_xml_write(GST_ELEMENT(bin)));
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/* start playing */
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gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
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gtk_idle_add(idle_func, bin);
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gst_main();
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/* stop the bin */
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gst_element_set_state(GST_ELEMENT(bin), GST_STATE_NULL);
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gst_pipeline_destroy(bin);
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exit(0);
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}
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