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Original commit message from CVS: * gst/playback/gstplaybin.c: (add_sink): * gst/playback/test.c: (main): * gst/playback/test5.c: (dump_element_stats): * gst/playback/test6.c: (main): free cpas using gst_caps_unref, don't leak caps-strings
157 lines
4.6 KiB
C
157 lines
4.6 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 <unistd.h>
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#include <stdlib.h> /* exit */
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#include <gst/gst.h>
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static void
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new_decoded_pad_cb (GstElement * decodebin, GstPad * new_pad, gboolean last,
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GstElement * pipeline)
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{
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GstElement *fakesink;
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GstPad *sinkpad;
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fakesink = gst_element_factory_make ("fakesink", NULL);
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gst_bin_add (GST_BIN (pipeline), fakesink);
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sinkpad = gst_element_get_pad (fakesink, "sink");
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if (GST_PAD_LINK_FAILED (gst_pad_link (new_pad, sinkpad))) {
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g_warning ("Failed to link %s:%s to %s:%s", GST_DEBUG_PAD_NAME (new_pad),
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GST_DEBUG_PAD_NAME (sinkpad));
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gst_bin_remove (GST_BIN (pipeline), fakesink);
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} else {
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gst_element_set_state (fakesink, GST_STATE_PAUSED);
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}
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}
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static void
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show_error (const gchar * errmsg, GstBus * bus)
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{
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GstMessage *msg;
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GError *err = NULL;
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gchar *dbg = NULL;
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msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
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if (msg) {
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g_assert (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
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gst_message_parse_error (msg, &err, &dbg);
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}
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g_print ("ERROR: %s\n", errmsg);
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g_print (" %s\n", (err) ? err->message : "");
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if (dbg) {
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g_print ("\ndebug: %s\n\n", dbg);
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g_free (dbg);
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}
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if (err)
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g_error_free (err);
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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 *pipeline, *filesrc, *decodebin;
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GstStateChangeReturn res;
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GstIterator *it;
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GstBus *bus;
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gpointer data;
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gst_init (&argc, &argv);
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pipeline = gst_pipeline_new ("pipeline");
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filesrc = gst_element_factory_make ("filesrc", "filesrc");
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g_assert (filesrc);
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decodebin = gst_element_factory_make ("decodebin", "decodebin");
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g_assert (decodebin);
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gst_bin_add_many (GST_BIN (pipeline), filesrc, decodebin, NULL);
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gst_element_link (filesrc, decodebin);
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if (argc < 2) {
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g_print ("usage: %s <filenames>\n", argv[0]);
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exit (-1);
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}
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if (!g_str_has_prefix (argv[1], "file://")) {
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g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
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} else {
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g_object_set (G_OBJECT (filesrc), "location", argv[1] + 7, NULL);
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}
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/* we've got to connect fakesinks to newly decoded pads to make sure
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* buffers have actually been flowing over those pads and caps have
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* been set on them. decodebin might insert internal queues and
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* without fakesinks it's pot-luck what caps we get from the pad, because
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* it depends on whether the queues have started pushing buffers yet or not.
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* With fakesinks we make sure that the pipeline doesn't go to PAUSED state
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* before each fakesink has a buffer queued. */
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g_signal_connect (decodebin, "new-decoded-pad",
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G_CALLBACK (new_decoded_pad_cb), pipeline);
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bus = gst_element_get_bus (pipeline);
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g_print ("pause..\n");
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res = gst_element_set_state (pipeline, GST_STATE_PAUSED);
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if (res == GST_STATE_CHANGE_FAILURE) {
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show_error ("Could not go to PAUSED state", bus);
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exit (-1);
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}
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g_print ("waiting..\n");
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res = gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
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if (res != GST_STATE_CHANGE_SUCCESS) {
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show_error ("Failed to complete state change to PAUSED", bus);
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exit (-1);
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}
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g_print ("stats..\n");
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it = gst_element_iterate_src_pads (decodebin);
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while (gst_iterator_next (it, &data) == GST_ITERATOR_OK) {
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GstPad *pad = GST_PAD (data);
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GstCaps *caps;
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gchar *str;
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GstQuery *query;
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g_print ("stream %s:\n", GST_OBJECT_NAME (pad));
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caps = gst_pad_get_caps (pad);
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str = gst_caps_to_string (caps);
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g_print (" caps: %s\n", str);
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g_free (str);
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gst_caps_unref (caps);
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query = gst_query_new_duration (GST_FORMAT_TIME);
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if (gst_pad_query (pad, query)) {
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gint64 duration;
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gst_query_parse_duration (query, NULL, &duration);
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g_print (" duration: %" GST_TIME_FORMAT "\n", GST_TIME_ARGS (duration));
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}
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gst_query_unref (query);
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gst_object_unref (pad);
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}
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gst_iterator_free (it);
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return 0;
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}
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