/* GStreamer OSS4 audio tests * Copyright (C) 2007-2008 Tim-Philipp Müller <tim centricular net> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /* FIXME 0.11: suppress warnings for deprecated API such as GValueArray * with newer GLib versions (>= 2.31.0) */ #define GLIB_DISABLE_DEPRECATION_WARNINGS #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <string.h> #include <stdlib.h> #include <gst/gst.h> static gboolean opt_show_mixer_messages = FALSE; #define WAIT_TIME 60.0 /* in seconds */ static void probe_pad (GstElement * element, const gchar * pad_name) { GstCaps *caps = NULL; GstPad *pad; guint i; pad = gst_element_get_static_pad (element, pad_name); if (pad == NULL) return; caps = gst_pad_query_caps (pad, NULL); g_return_if_fail (caps != NULL); for (i = 0; i < gst_caps_get_size (caps); ++i) { gchar *s; s = gst_structure_to_string (gst_caps_get_structure (caps, i)); g_print (" %4s[%d]: %s\n", GST_PAD_NAME (pad), i, s); g_free (s); } gst_caps_unref (caps); gst_object_unref (pad); } static void probe_details (GstElement * element) { GstStateChangeReturn ret; ret = gst_element_set_state (element, GST_STATE_READY); if (ret == GST_STATE_CHANGE_FAILURE) { g_print ("Could not set element %s to READY.", GST_ELEMENT_NAME (element)); return; } probe_pad (element, "sink"); probe_pad (element, "src"); gst_element_set_state (element, GST_STATE_NULL); } static void probe_element (const gchar * name) { GstElement *element; gchar *devname = NULL; element = gst_element_factory_make (name, name); /* make sure we don't deadlock on GST_ELEMENT_ERROR or do other silly things * if we try to query the "device-name" property when the device isn't open */ g_object_set (element, "device", "/dev/does/not/exist", NULL); g_object_get (element, "device-name", &devname, NULL); GST_LOG ("devname: '%s'", GST_STR_NULL (devname)); g_assert (devname == NULL || *devname == '\0'); /* and now for real */ probe_details (element); gst_object_unref (element); } int main (int argc, char **argv) { GOptionEntry options[] = { {"show-mixer-messages", 'm', 0, G_OPTION_ARG_NONE, &opt_show_mixer_messages, "For mixer elements, wait 60 seconds and show any mixer messages " "(for debugging auto-notifications)", NULL}, {NULL,} }; GOptionContext *ctx; GError *err = NULL; ctx = g_option_context_new (""); g_option_context_add_main_entries (ctx, options, NULL); g_option_context_add_group (ctx, gst_init_get_option_group ()); if (!g_option_context_parse (ctx, &argc, &argv, &err)) { g_print ("Error initializing: %s\n", err->message); g_option_context_free (ctx); g_clear_error (&err); exit (1); } g_option_context_free (ctx); probe_element ("oss4sink"); probe_element ("oss4src"); return 0; }