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c17b392f20
Original commit message from CVS: Example of how an app could read data from a pipeline, this one wont run before queue is changed.
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/gst.h>
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static void
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fill_queue (GstElement *queue, gint level, GstBin *pipeline)
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{
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/* this needs to iterate till something is pushed
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* in the queue */
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gst_bin_iterate (pipeline);
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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 *queue, *src, *pipeline;
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GstBuffer *buffer;
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gboolean done = FALSE;
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GstPad *pad;
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gst_init (&argc, &argv);
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queue = gst_element_factory_make ("queue", "queue");
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g_object_set (G_OBJECT (queue), "signal_marks", TRUE, NULL);
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src = gst_element_factory_make ("filesrc", "src");
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g_object_set (G_OBJECT (src), "location", "appreader.c", NULL);
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pipeline = gst_pipeline_new ("pipeline");
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gst_bin_add_many (GST_BIN (pipeline), src, queue, NULL);
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gst_element_link_many (src, queue, NULL);
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pad = gst_element_get_pad (queue, "src");
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g_signal_connect (G_OBJECT (queue), "low_watermark", G_CALLBACK (fill_queue), pipeline);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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do {
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/* get buffer into the app */
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buffer = GST_RPAD_GETFUNC (pad) (pad);
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/* just exit on any event */
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if (GST_IS_EVENT (buffer)) {
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done = TRUE;
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}
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else {
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gst_util_dump_mem (GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
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}
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gst_data_unref (GST_DATA (buffer));
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} while (!done);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (GST_OBJECT (pipeline));
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return 0;
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}
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