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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1534c48ce3
Original commit message from CVS: demo-mp3.c:26: warning: implicit declaration of function `exit'
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
#include <stdlib.h>
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#include <glib.h>
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#include <gtk/gtk.h>
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#include <gst/gst.h>
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void play (GtkButton *button, gpointer data)
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{
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g_signal_emit_by_name(G_OBJECT(data), "play", NULL, NULL);
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}
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void reset (GtkButton *button, gpointer data)
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{
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g_signal_emit_by_name(G_OBJECT(data), "reset", NULL, NULL);
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}
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int main(int argc, char **argv)
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{
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guint channels;
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GtkWidget *window, *vbox, *play_button, *reset_button, *quit_button;
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GstElement *src, *mad, *pod, *osssink, *pipeline;
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gst_init (&argc, &argv);
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gtk_init (&argc, &argv);
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if (argc!=2) {
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g_print("usage: %s <mp3-filename>\n", argv[0]);
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exit(-1);
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}
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src = gst_element_factory_make("filesrc", "filesrc");
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mad = gst_element_factory_make("mad", "mad");
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pod = gst_element_factory_make("playondemand", "playondemand");
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osssink = gst_element_factory_make("osssink", "osssink");
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g_object_set(G_OBJECT(src), "location", argv[1], NULL);
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g_object_set(G_OBJECT(osssink), "fragment", 0x00180008, NULL);
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g_object_get(G_OBJECT(osssink), "channels", &channels, NULL);
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pipeline = gst_pipeline_new("app");
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gst_bin_add(GST_BIN(pipeline), src);
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gst_bin_add(GST_BIN(pipeline), mad);
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gst_bin_add(GST_BIN(pipeline), pod);
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gst_bin_add(GST_BIN(pipeline), osssink);
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gst_element_connect(src, mad);
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gst_element_connect(pod, osssink);
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gst_element_connect(mad, pod);
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gst_element_set_state(pipeline, GST_STATE_PLAYING);
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/* initialize gui elements ... */
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window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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vbox = gtk_vbox_new(FALSE, 0);
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play_button = gtk_button_new_with_label("play");
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reset_button = gtk_button_new_with_label("reset");
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quit_button = gtk_button_new_with_label("quit");
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/* do the packing stuff ... */
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gtk_window_set_default_size(GTK_WINDOW(window), 96, 96);
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gtk_container_add(GTK_CONTAINER(window), vbox);
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gtk_box_pack_start(GTK_BOX(vbox), play_button, FALSE, FALSE, 2);
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gtk_box_pack_start(GTK_BOX(vbox), reset_button, FALSE, FALSE, 2);
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gtk_box_pack_start(GTK_BOX(vbox), quit_button, FALSE, FALSE, 2);
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/* connect things ... */
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g_signal_connect(G_OBJECT(play_button), "clicked", G_CALLBACK(play), pod);
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g_signal_connect(G_OBJECT(reset_button), "clicked", G_CALLBACK(reset), pod);
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g_signal_connect(G_OBJECT(quit_button), "clicked", gtk_main_quit, NULL);
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/* show the gui. */
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gtk_widget_show(play_button);
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gtk_widget_show(reset_button);
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gtk_widget_show(quit_button);
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gtk_widget_show(vbox);
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gtk_widget_show(window);
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gtk_idle_add((GtkFunction)gst_bin_iterate, pipeline);
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gtk_main();
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return 0;
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}
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