gconf: Rename gconf.[ch] to gstgconf.[ch] to prevent name conflicts

1 files changed, 304 insertions, 0 deletions

diff --git a/ext/gconf/gstgconf.c b/ext/gconf/gstgconf.c
new file mode 100644
index 00000000..eee80c9d
--- /dev/null
+++ b/ext/gconf/gstgconf.c
@@ -0,0 +1,304 @@
+/* GStreamer
+ * nf_get_default_audio_sink
+ * Copyright (C) <2002> Thomas Vander Stichele <thomas@apestaart.org>
+ * Copyright (C) <2006> Jürg Billeter <j@bitron.ch>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * this library handles interaction with GConf
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+
+#include "gstgconf.h"
+#include "gstgconfelements.h"   /* for debug category */
+
+#ifndef GST_GCONF_DIR
+#error "GST_GCONF_DIR is not defined !"
+#endif
+
+static GConfClient *_gst_gconf_client = NULL;   /* GConf connection */
+
+
+/* internal functions */
+
+static GConfClient *
+gst_gconf_get_client (void)
+{
+  if (!_gst_gconf_client)
+    _gst_gconf_client = gconf_client_get_default ();
+
+  return _gst_gconf_client;
+}
+
+/* external functions */
+
+/**
+ * gst_gconf_get_string:
+ * @key: a #gchar corresponding to the key you want to get.
+ *
+ * Get GConf key @key's string value.
+ *
+ * Returns: a newly allocated #gchar string containing @key's value,
+ * or NULL in the case of an error..
+ */
+gchar *
+gst_gconf_get_string (const gchar * key)
+{
+  GError *error = NULL;
+  gchar *value = NULL;
+  gchar *full_key;
+
+  if (!g_str_has_prefix (key, GST_GCONF_DIR))
+    full_key = g_strdup_printf ("%s/%s", GST_GCONF_DIR, key);
+  else
+    full_key = g_strdup (key);
+
+  value = gconf_client_get_string (gst_gconf_get_client (), full_key, &error);
+  g_free (full_key);
+
+  if (error) {
+    g_warning ("gst_gconf_get_string: error: %s\n", error->message);
+    g_error_free (error);
+    return NULL;
+  }
+
+  return value;
+}
+
+const gchar *
+gst_gconf_get_key_for_sink_profile (GstGConfProfile profile)
+{
+  switch (profile) {
+    case GCONF_PROFILE_SOUNDS:
+      return GST_GCONF_DIR "/" GST_GCONF_AUDIOSINK_KEY;
+    case GCONF_PROFILE_MUSIC:
+      return GST_GCONF_DIR "/" GST_GCONF_MUSIC_AUDIOSINK_KEY;
+    case GCONF_PROFILE_CHAT:
+      return GST_GCONF_DIR "/" GST_GCONF_CHAT_AUDIOSINK_KEY;
+    default:
+      break;
+  }
+
+  g_return_val_if_reached (GST_GCONF_DIR "/" GST_GCONF_AUDIOSINK_KEY);
+}
+
+/**
+ * gst_gconf_set_string:
+ * @key: a #gchar corresponding to the key you want to set.
+ * @value: a #gchar containing key value.
+ *
+ * Set GConf key @key to string value @value.
+ */
+void
+gst_gconf_set_string (const gchar * key, const gchar * value)
+{
+  GError *error = NULL;
+  gchar *full_key;
+
+  if (!g_str_has_prefix (key, GST_GCONF_DIR))
+    full_key = g_strdup_printf ("%s/%s", GST_GCONF_DIR, key);
+  else
+    full_key = g_strdup (key);
+
+  gconf_client_set_string (gst_gconf_get_client (), full_key, value, &error);
+  if (error) {
+    GST_ERROR ("gst_gconf_set_string: error: %s\n", error->message);
+    g_error_free (error);
+  }
+  g_free (full_key);
+}
+
+/**
+ * gst_gconf_render_bin_from_key:
+ * @key: a #gchar string corresponding to a GConf key.
+ *
+ * Render bin from GConf key @key.
+ *
+ * Returns: a #GstElement containing the rendered bin.
+ */
+GstElement *
+gst_gconf_render_bin_from_key (const gchar * key)
+{
+  GstElement *bin = NULL;
+  gchar *value;
+
+  value = gst_gconf_get_string (key);
+
+  GST_LOG ("%s = %s", GST_STR_NULL (key), GST_STR_NULL (value));
+
+  if (value) {
+    GError *err = NULL;
+
+    bin = gst_parse_bin_from_description (value, TRUE, &err);
+    if (err) {
+      GST_ERROR ("gconf: error creating bin '%s': %s", value, err->message);
+      g_error_free (err);
+    }
+
+    g_free (value);
+  }
+  return bin;
+}
+
+/**
+ * gst_gconf_render_bin_with_default:
+ * @bin: a #gchar string describing the pipeline to construct.
+ * @default_sink: an element to use as default if the given pipeline fails to construct.
+ *
+ * Render bin from description @bin using @default_sink element as a fallback.
+ *
+ * Returns: a #GstElement containing the rendered bin.
+ */
+GstElement *
+gst_gconf_render_bin_with_default (const gchar * bin,
+    const gchar * default_sink)
+{
+  GstElement *ret = NULL;
+  GError *err = NULL;
+
+  if (bin != NULL)
+    ret = gst_parse_bin_from_description (bin, TRUE, &err);
+
+  if (ret == NULL || err != NULL) {
+    if (err) {
+      GST_DEBUG ("Could not create audio sink from GConf settings: %s",
+          err->message);
+      g_error_free (err);
+    } else {
+      GST_DEBUG ("Could not create audio sink from GConf settings");
+    }
+
+    ret = gst_element_factory_make (default_sink, NULL);
+
+    if (!ret)
+      g_warning
+          ("Could not build GConf audio sink and the replacement %s doesn't work",
+          DEFAULT_AUDIOSINK);
+  }
+
+  return ret;
+}
+
+/**
+ * gst_gconf_get_default_video_sink:
+ *
+ * Render video output bin from GStreamer GConf key : "default/videosink".
+ * If key is invalid, the default video sink for the platform is used
+ * (typically xvimagesink or ximagesink).
+ *
+ * Returns: a #GstElement containing the video output bin, or NULL if
+ * everything failed.
+ */
+GstElement *
+gst_gconf_get_default_video_sink (void)
+{
+  GstElement *ret = gst_gconf_render_bin_from_key (GST_GCONF_VIDEOSINK_KEY);
+
+  if (!ret) {
+    ret = gst_element_factory_make (DEFAULT_VIDEOSINK, NULL);
+
+    if (!ret)
+      g_warning ("No GConf default video sink key and %s doesn't work",
+          DEFAULT_VIDEOSINK);
+  }
+
+  return ret;
+}
+
+/**
+ * gst_gconf_get_default_audio_src:
+ *
+ * Render audio acquisition bin from GStreamer GConf key : "default/audiosrc".
+ * If key is invalid, the default audio source for the plaform is used.
+ * (typically osssrc or sunaudiosrc).
+ *
+ * Returns: a #GstElement containing the audio source bin, or NULL if
+ * everything failed.
+ */
+GstElement *
+gst_gconf_get_default_audio_src (void)
+{
+  GstElement *ret = gst_gconf_render_bin_from_key (GST_GCONF_AUDIOSRC_KEY);
+
+  if (!ret) {
+    ret = gst_element_factory_make (DEFAULT_AUDIOSRC, NULL);
+
+    if (!ret)
+      g_warning ("No GConf default audio src key and %s doesn't work",
+          DEFAULT_AUDIOSRC);
+  }
+
+  return ret;
+}
+
+/**
+ * gst_gconf_get_default_video_src:
+ *
+ * Render video acquisition bin from GStreamer GConf key :
+ * "default/videosrc". If key is invalid, the default video source
+ * for the platform is used (typically videotestsrc).
+ *
+ * Returns: a #GstElement containing the video source bin, or NULL if
+ * everything failed.
+ */
+GstElement *
+gst_gconf_get_default_video_src (void)
+{
+  GstElement *ret = gst_gconf_render_bin_from_key (GST_GCONF_VIDEOSRC_KEY);
+
+  if (!ret) {
+    ret = gst_element_factory_make (DEFAULT_VIDEOSRC, NULL);
+
+    if (!ret)
+      g_warning ("No GConf default video src key and %s doesn't work",
+          DEFAULT_VIDEOSRC);
+  }
+
+  return ret;
+}
+
+/**
+ * gst_gconf_get_default_visualization_element:
+ *
+ * Render visualization bin from GStreamer GConf key : "default/visualization".
+ * If key is invalid, the default visualization element is used.
+ *
+ * Returns: a #GstElement containing the visualization bin, or NULL if
+ * everything failed.
+ */
+GstElement *
+gst_gconf_get_default_visualization_element (void)
+{
+  GstElement *ret = gst_gconf_render_bin_from_key ("default/visualization");
+
+  if (!ret) {
+    ret = gst_element_factory_make (DEFAULT_VISUALIZER, NULL);
+
+    if (!ret)
+      g_warning
+          ("No GConf default visualization plugin key and %s doesn't work",
+          DEFAULT_VISUALIZER);
+  }
+
+  return ret;
+}