+/*
+ * dart-sounds
+ *
+ *
+ * Copyright (C) 2011 Christian Pointner <equinox@realraum.at>
+ *
+ * This file is part of dart-sounds.
+ *
+ * dart-sounds is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * dart-sounds is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with dart-sounds. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include <gst/gst.h>
+#include <glib.h>
+
+static gboolean bus_call (GstBus *bus, GstMessage *msg, gpointer data)
+{
+ GMainLoop *loop = (GMainLoop *) data;
+
+ switch (GST_MESSAGE_TYPE (msg))
+ {
+ case GST_MESSAGE_EOS:
+ g_print ("End of stream\n");
+ g_main_loop_quit (loop);
+ break;
+
+ case GST_MESSAGE_ERROR: {
+ gchar *debug;
+ GError *error;
+
+ gst_message_parse_error (msg, &error, &debug);
+ g_free (debug);
+
+ g_printerr ("Error: %s\n", error->message);
+ g_error_free (error);
+
+ g_main_loop_quit (loop);
+ break;
+ }
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+static void on_pad_added (GstElement *element, GstPad *pad, gpointer data)
+{
+ GstPad *sinkpad;
+ GstElement *decoder = (GstElement *) data;
+
+ g_print ("Dynamic pad created, linking demuxer/decoder\n");
+
+ sinkpad = gst_element_get_static_pad (decoder, "sink");
+ gst_pad_link (pad, sinkpad);
+ gst_object_unref (sinkpad);
+}
+
+int main (int argc, char *argv[])
+{
+ GMainLoop *loop;
+
+ GstElement *pipeline, *source, *demuxer, *decoder, *conv, *sink;
+ GstBus *bus;
+
+ gst_init (&argc, &argv);
+
+ loop = g_main_loop_new (NULL, FALSE);
+
+ /* Check input arguments */
+ if (argc != 2) {
+ g_printerr ("Usage: %s <Ogg/Vorbis filename>\n", argv[0]);
+ return -1;
+ }
+
+ pipeline = gst_pipeline_new ("audio-player");
+ source = gst_element_factory_make ("filesrc", "file-source");
+ demuxer = gst_element_factory_make ("oggdemux", "ogg-demuxer");
+ decoder = gst_element_factory_make ("vorbisdec", "vorbis-decoder");
+ conv = gst_element_factory_make ("audioconvert", "converter");
+ sink = gst_element_factory_make ("autoaudiosink", "audio-output");
+
+ if (!pipeline || !source || !demuxer || !decoder || !conv || !sink) {
+ g_printerr ("One element could not be created. Exiting.\n");
+ return -1;
+ }
+
+ g_object_set (G_OBJECT (source), "location", argv[1], NULL);
+
+ bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+ gst_bus_add_watch (bus, bus_call, loop);
+ gst_object_unref (bus);
+
+ gst_bin_add_many (GST_BIN (pipeline),
+ source, demuxer, decoder, conv, sink, NULL);
+
+ gst_element_link (source, demuxer);
+ gst_element_link_many (decoder, conv, sink, NULL);
+ g_signal_connect (demuxer, "pad-added", G_CALLBACK (on_pad_added), decoder);
+
+ g_print ("Now playing: %s\n", argv[1]);
+ gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+ g_print ("Running...\n");
+ g_main_loop_run (loop);
+
+ g_print ("Returned, stopping playback\n");
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+
+ g_print ("Deleting pipeline\n");
+ gst_object_unref (GST_OBJECT (pipeline));
+
+ return 0;
+}
projects / svn42.git / commitdiff