Add sound device selection using HAL and GStreamer (Closes: #329112).
2006-05-05 Jürg Billeter <j@bitron.ch> * Makefile.am: * pipeline-tests.c: (user_test_pipeline_response), (user_test_pipeline_timeout), (build_test_pipeline), (pipeline_error_dlg), (user_test_pipeline): * pipeline-tests.h: * sound-properties-capplet.c: (element_available), (add_device), (remove_device), (device_added_callback), (device_removed_callback), (setup_hal_devices), (device_test_button_clicked), (get_gconf_key_for_profile), (device_changed), (get_gconf_description_for_profile), (gconf_key_changed), (setup_device_chooser), (add_selected_device), (setup_devices), (setup_dialog), (main): * sound-properties.glade: Add sound device selection using HAL and GStreamer (Closes: #329112).
This commit is contained in:
Jürg Billeter
Jürg Billeter
parent
24334bcbaf
commit
cd175929ed
6 changed files with 1671 additions and 10 deletions
187
capplets/sound/pipeline-tests.c
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187
capplets/sound/pipeline-tests.c
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/* -*- mode: c; style: linux -*- */
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/* -*- c-basic-offset: 2 -*- */
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/* pipeline-tests.c
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* Copyright (C) 2002 Jan Schmidt
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* Copyright (C) 2005 Tim-Philipp Müller <tim centricular net>
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* Copyright (C) 2006 Jürg Billeter <j@bitron.ch>
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*
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* Written by: Jan Schmidt <thaytan@mad.scientist.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <locale.h>
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#include <string.h>
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#include <gnome.h>
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#include <glade/glade.h>
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#include <gtk/gtk.h>
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#include <gst/gst.h>
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#include "pipeline-tests.h"
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#define WID(s) glade_xml_get_widget (interface_xml, s)
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static gint timeout_tag;
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static GstElement *gst_test_pipeline;
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static void pipeline_error_dlg (GtkWindow * parent,
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const gchar * pipeline, const gchar * error_message);
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/* User responded in the dialog */
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static void
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user_test_pipeline_response (GtkDialog * widget, gint response_id,
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GladeXML * dialog)
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{
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/* Close the window causing the test to end */
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gtk_widget_hide (GTK_WIDGET (widget));
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}
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/* Timer timeout has been occurred */
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static gint
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user_test_pipeline_timeout (gpointer data)
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{
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gtk_progress_bar_pulse (GTK_PROGRESS_BAR (data));
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return TRUE;
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}
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/* Build the pipeline */
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static gboolean
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build_test_pipeline (const gchar * pipeline, GError ** p_err)
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{
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gst_test_pipeline = gst_parse_launch (pipeline, p_err);
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if (*p_err == NULL && gst_test_pipeline != NULL)
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return TRUE;
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return FALSE;
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}
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static void
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pipeline_error_dlg (GtkWindow * parent,
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const gchar * pipeline, const gchar * error_message)
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{
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gchar *errstr;
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if (error_message) {
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errstr = g_strdup_printf ("%s: %s", pipeline, error_message);
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} else {
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errstr = g_strdup_printf (_("Failed to construct test pipeline for '%s'"),
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pipeline);
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}
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if (parent == NULL) {
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g_printerr ("%s", errstr);
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} else {
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GtkWidget *dialog;
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dialog = gtk_message_dialog_new (parent,
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", errstr);
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gtk_dialog_run (GTK_DIALOG (dialog));
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gtk_widget_destroy (dialog);
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}
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g_free (errstr);
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}
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/* Construct and run the pipeline. Use the indicated parent
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* for any user interaction window.
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*/
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void
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user_test_pipeline (GladeXML * interface_xml,
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GtkWindow * parent, const gchar * pipeline)
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{
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GstStateChangeReturn ret;
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GtkDialog *dialog = NULL;
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GstMessage *msg;
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GError *err = NULL;
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GstBus *bus;
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gst_test_pipeline = NULL;
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/* Build the pipeline */
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if (!build_test_pipeline (pipeline, &err)) {
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/* Show the error pipeline */
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pipeline_error_dlg (parent, pipeline, (err) ? err->message : NULL);
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if (err)
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g_error_free (err);
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return;
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}
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/* Setup the 'click ok when done' dialog */
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if (parent) {
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dialog = GTK_DIALOG (WID ("test_pipeline"));
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/* g_return_if_fail(dialog != NULL); */
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gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
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gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
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g_signal_connect (G_OBJECT (dialog), "response",
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(GCallback) user_test_pipeline_response, interface_xml);
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}
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/* Start the pipeline and wait for max. 3 seconds for it to start up */
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gst_element_set_state (gst_test_pipeline, GST_STATE_PLAYING);
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ret = gst_element_get_state (gst_test_pipeline, NULL, NULL, 3 * GST_SECOND);
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/* Check if any error messages were posted on the bus */
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bus = gst_element_get_bus (gst_test_pipeline);
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msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
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gst_object_unref (bus);
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if (msg != NULL) {
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gchar *dbg = NULL;
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gst_message_parse_error (msg, &err, &dbg);
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gst_message_unref (msg);
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g_message ("Error running pipeline '%s': %s [%s]", pipeline,
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(err) ? err->message : "(null error)",
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(dbg) ? dbg : "no additional debugging details");
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pipeline_error_dlg (parent, pipeline, err->message);
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g_error_free (err);
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g_free (dbg);
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} else if (ret != GST_STATE_CHANGE_SUCCESS) {
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pipeline_error_dlg (parent, pipeline, NULL);
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} else {
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/* Show the dialog */
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if (dialog) {
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gtk_window_present (GTK_WINDOW (dialog));
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timeout_tag =
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gtk_timeout_add (50, user_test_pipeline_timeout,
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WID ("test_pipeline_progress"));
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gtk_dialog_run (GTK_DIALOG (dialog));
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gtk_timeout_remove (timeout_tag);
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gtk_widget_hide (GTK_WIDGET (dialog));
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} else {
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gint secs;
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/* A bit hacky: No parent dialog, run in limited test mode */
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for (secs = 0; secs < 5; ++secs) {
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g_print (".");
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g_usleep (G_USEC_PER_SEC); /* 1 second */
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}
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}
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}
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if (gst_test_pipeline) {
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gst_element_set_state (gst_test_pipeline, GST_STATE_NULL);
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gst_object_unref (gst_test_pipeline);
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gst_test_pipeline = NULL;
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}
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}
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