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-rw-r--r--ext/gconf/Makefile.am27
-rw-r--r--ext/gconf/Makefile.in894
-rw-r--r--ext/gconf/gstgconf.c304
-rw-r--r--ext/gconf/gstgconf.h66
-rw-r--r--ext/gconf/gstgconfaudiosink.c310
-rw-r--r--ext/gconf/gstgconfaudiosink.h62
-rw-r--r--ext/gconf/gstgconfaudiosrc.c210
-rw-r--r--ext/gconf/gstgconfaudiosrc.h57
-rw-r--r--ext/gconf/gstgconfelements.c59
-rw-r--r--ext/gconf/gstgconfelements.h28
-rw-r--r--ext/gconf/gstgconfvideosink.c210
-rw-r--r--ext/gconf/gstgconfvideosink.h64
-rw-r--r--ext/gconf/gstgconfvideosrc.c209
-rw-r--r--ext/gconf/gstgconfvideosrc.h58
-rw-r--r--ext/gconf/gstswitchsink.c270
-rw-r--r--ext/gconf/gstswitchsink.h62
-rw-r--r--ext/gconf/gstswitchsrc.c262
-rw-r--r--ext/gconf/gstswitchsrc.h57
18 files changed, 3209 insertions, 0 deletions
diff --git a/ext/gconf/Makefile.am b/ext/gconf/Makefile.am
new file mode 100644
index 0000000..0f1cffb
--- /dev/null
+++ b/ext/gconf/Makefile.am
@@ -0,0 +1,27 @@
+plugin_LTLIBRARIES = libgstgconfelements.la
+
+libgstgconfelements_la_SOURCES = \
+ gstgconfaudiosink.c \
+ gstgconfaudiosrc.c \
+ gstgconfelements.c \
+ gstgconfvideosink.c \
+ gstgconfvideosrc.c \
+ gstswitchsink.c \
+ gstswitchsrc.c \
+ gstgconf.c
+
+DIR_CFLAGS = -DGST_GCONF_DIR=\"/system/gstreamer/@GST_MAJORMINOR@\"
+libgstgconfelements_la_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) $(DIR_CFLAGS)
+libgstgconfelements_la_LIBADD = $(GST_LIBS) $(GCONF_LIBS)
+libgstgconfelements_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+libgstgconfelements_la_LIBTOOLFLAGS = --tag=disable-static
+
+noinst_HEADERS = \
+ gstgconfaudiosink.h \
+ gstgconfaudiosrc.h \
+ gstgconfelements.h \
+ gstgconfvideosink.h \
+ gstgconfvideosrc.h \
+ gstswitchsink.h \
+ gstswitchsrc.h \
+ gstgconf.h
diff --git a/ext/gconf/Makefile.in b/ext/gconf/Makefile.in
new file mode 100644
index 0000000..afb7c0c
--- /dev/null
+++ b/ext/gconf/Makefile.in
@@ -0,0 +1,894 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = ext/gconf
+DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
+ $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/common/m4/as-ac-expand.m4 \
+ $(top_srcdir)/common/m4/as-auto-alt.m4 \
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+ $(top_srcdir)/common/m4/as-gcc-inline-assembly.m4 \
+ $(top_srcdir)/common/m4/as-objc.m4 \
+ $(top_srcdir)/common/m4/as-python.m4 \
+ $(top_srcdir)/common/m4/as-scrub-include.m4 \
+ $(top_srcdir)/common/m4/as-version.m4 \
+ $(top_srcdir)/common/m4/ax_create_stdint_h.m4 \
+ $(top_srcdir)/common/m4/gst-arch.m4 \
+ $(top_srcdir)/common/m4/gst-args.m4 \
+ $(top_srcdir)/common/m4/gst-check.m4 \
+ $(top_srcdir)/common/m4/gst-default.m4 \
+ $(top_srcdir)/common/m4/gst-dowhile.m4 \
+ $(top_srcdir)/common/m4/gst-error.m4 \
+ $(top_srcdir)/common/m4/gst-feature.m4 \
+ $(top_srcdir)/common/m4/gst-gettext.m4 \
+ $(top_srcdir)/common/m4/gst-glib2.m4 \
+ $(top_srcdir)/common/m4/gst-package-release-datetime.m4 \
+ $(top_srcdir)/common/m4/gst-platform.m4 \
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+ $(top_srcdir)/m4/gst-fionread.m4 \
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+ $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
+ $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
+ $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
+ $(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/nls.m4 \
+ $(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+ $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+ *) f=$$p;; \
+ esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
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+am__installdirs = "$(DESTDIR)$(plugindir)"
+LTLIBRARIES = $(plugin_LTLIBRARIES)
+am__DEPENDENCIES_1 =
+libgstgconfelements_la_DEPENDENCIES = $(am__DEPENDENCIES_1) \
+ $(am__DEPENDENCIES_1)
+am_libgstgconfelements_la_OBJECTS = \
+ libgstgconfelements_la-gstgconfaudiosink.lo \
+ libgstgconfelements_la-gstgconfaudiosrc.lo \
+ libgstgconfelements_la-gstgconfelements.lo \
+ libgstgconfelements_la-gstgconfvideosink.lo \
+ libgstgconfelements_la-gstgconfvideosrc.lo \
+ libgstgconfelements_la-gstswitchsink.lo \
+ libgstgconfelements_la-gstswitchsrc.lo \
+ libgstgconfelements_la-gstgconf.lo
+libgstgconfelements_la_OBJECTS = $(am_libgstgconfelements_la_OBJECTS)
+AM_V_lt = $(am__v_lt_$(V))
+am__v_lt_ = $(am__v_lt_$(AM_DEFAULT_VERBOSITY))
+am__v_lt_0 = --silent
+libgstgconfelements_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
+ $(libgstgconfelements_la_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+ --mode=link $(CCLD) $(libgstgconfelements_la_CFLAGS) $(CFLAGS) \
+ $(libgstgconfelements_la_LDFLAGS) $(LDFLAGS) -o $@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
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+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
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+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
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+am__v_GEN_ = $(am__v_GEN_$(AM_DEFAULT_VERBOSITY))
+am__v_GEN_0 = @echo " GEN " $@;
+SOURCES = $(libgstgconfelements_la_SOURCES)
+DIST_SOURCES = $(libgstgconfelements_la_SOURCES)
+HEADERS = $(noinst_HEADERS)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+AALIB_CFLAGS = @AALIB_CFLAGS@
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+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
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+ END { if (nonempty) { for (i in files) print i; }; }'`; \
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+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
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+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
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+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
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+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
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diff --git a/ext/gconf/gstgconf.c b/ext/gconf/gstgconf.c
new file mode 100644
index 0000000..eee80c9
--- /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;
+}
diff --git a/ext/gconf/gstgconf.h b/ext/gconf/gstgconf.h
new file mode 100644
index 0000000..b1153e9
--- /dev/null
+++ b/ext/gconf/gstgconf.h
@@ -0,0 +1,66 @@
+/* GStreamer
+ * 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.
+ */
+
+#ifndef GST_GCONF_H
+#define GST_GCONF_H
+
+/*
+ * this library handles interaction with GConf
+ */
+
+#include <gst/gst.h>
+#include <gconf/gconf-client.h>
+
+G_BEGIN_DECLS
+
+#define GST_GCONF_AUDIOSRC_KEY "default/audiosrc"
+#define GST_GCONF_AUDIOSINK_KEY "default/audiosink"
+#define GST_GCONF_MUSIC_AUDIOSINK_KEY "default/musicaudiosink"
+#define GST_GCONF_CHAT_AUDIOSINK_KEY "default/chataudiosink"
+#define GST_GCONF_VIDEOSRC_KEY "default/videosrc"
+#define GST_GCONF_VIDEOSINK_KEY "default/videosink"
+
+typedef enum
+{
+ GCONF_PROFILE_SOUNDS,
+ GCONF_PROFILE_MUSIC,
+ GCONF_PROFILE_CHAT,
+ GCONF_PROFILE_NONE /* Internal value only */
+} GstGConfProfile;
+
+gchar * gst_gconf_get_string (const gchar *key);
+void gst_gconf_set_string (const gchar *key,
+ const gchar *value);
+
+const gchar * gst_gconf_get_key_for_sink_profile (GstGConfProfile profile);
+
+GstElement * gst_gconf_render_bin_from_key (const gchar *key);
+GstElement * gst_gconf_render_bin_with_default (const gchar *bin,
+ const gchar *default_sink);
+
+GstElement * gst_gconf_get_default_video_sink (void);
+GstElement * gst_gconf_get_default_audio_sink (int profile);
+GstElement * gst_gconf_get_default_video_src (void);
+GstElement * gst_gconf_get_default_audio_src (void);
+GstElement * gst_gconf_get_default_visualization_element (void);
+
+G_END_DECLS
+
+#endif /* GST_GCONF_H */
diff --git a/ext/gconf/gstgconfaudiosink.c b/ext/gconf/gstgconfaudiosink.c
new file mode 100644
index 0000000..d60f2be
--- /dev/null
+++ b/ext/gconf/gstgconfaudiosink.c
@@ -0,0 +1,310 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * (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.
+ */
+/**
+ * SECTION:element-gconfaudiosink
+ *
+ * This element outputs sound to the audiosink that has been configured in
+ * GConf by the user.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch filesrc location=foo.ogg ! decodebin ! audioconvert ! audioresample ! gconfaudiosink
+ * ]| Play on configured audiosink
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "gstgconfelements.h"
+#include "gstgconfaudiosink.h"
+
+static void gst_gconf_audio_sink_dispose (GObject * object);
+static void gst_gconf_audio_sink_finalize (GstGConfAudioSink * sink);
+static void cb_change_child (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data);
+static GstStateChangeReturn
+gst_gconf_audio_sink_change_state (GstElement * element,
+ GstStateChange transition);
+static void gst_gconf_switch_profile (GstGConfAudioSink * sink,
+ GstGConfProfile profile);
+
+enum
+{
+ PROP_0,
+ PROP_PROFILE
+};
+
+GST_BOILERPLATE (GstGConfAudioSink, gst_gconf_audio_sink, GstSwitchSink,
+ GST_TYPE_SWITCH_SINK);
+
+static void gst_gconf_audio_sink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_gconf_audio_sink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static void
+gst_gconf_audio_sink_base_init (gpointer klass)
+{
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_set_details_simple (eklass, "GConf audio sink",
+ "Sink/Audio",
+ "Audio sink embedding the GConf-settings for audio output",
+ "Jan Schmidt <thaytan@mad.scientist.com>");
+}
+
+#define GST_TYPE_GCONF_PROFILE (gst_gconf_profile_get_type())
+static GType
+gst_gconf_profile_get_type (void)
+{
+ static GType gconf_profile_type = 0;
+ static const GEnumValue gconf_profiles[] = {
+ {GCONF_PROFILE_SOUNDS, "Sound Events", "sounds"},
+ {GCONF_PROFILE_MUSIC, "Music and Movies", "music"},
+ {GCONF_PROFILE_CHAT, "Audio/Video Conferencing", "chat"},
+ {0, NULL, NULL}
+ };
+
+ if (!gconf_profile_type) {
+ gconf_profile_type =
+ g_enum_register_static ("GstGConfProfile", gconf_profiles);
+ }
+ return gconf_profile_type;
+}
+
+static void
+gst_gconf_audio_sink_class_init (GstGConfAudioSinkClass * klass)
+{
+ GObjectClass *oklass = G_OBJECT_CLASS (klass);
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ oklass->set_property = gst_gconf_audio_sink_set_property;
+ oklass->get_property = gst_gconf_audio_sink_get_property;
+ oklass->dispose = gst_gconf_audio_sink_dispose;
+ oklass->finalize = (GObjectFinalizeFunc) gst_gconf_audio_sink_finalize;
+ eklass->change_state = gst_gconf_audio_sink_change_state;
+
+ g_object_class_install_property (oklass, PROP_PROFILE,
+ g_param_spec_enum ("profile", "Profile", "Profile",
+ GST_TYPE_GCONF_PROFILE, GCONF_PROFILE_SOUNDS,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+}
+
+static void
+gst_gconf_audio_sink_reset (GstGConfAudioSink * sink)
+{
+ gst_switch_sink_set_child (GST_SWITCH_SINK (sink), NULL);
+
+ g_free (sink->gconf_str);
+ sink->gconf_str = NULL;
+}
+
+static void
+gst_gconf_audio_sink_init (GstGConfAudioSink * sink,
+ GstGConfAudioSinkClass * g_class)
+{
+ gst_gconf_audio_sink_reset (sink);
+
+ sink->client = gconf_client_get_default ();
+ gconf_client_add_dir (sink->client, GST_GCONF_DIR "/default",
+ GCONF_CLIENT_PRELOAD_RECURSIVE, NULL);
+
+ gst_gconf_switch_profile (sink, GCONF_PROFILE_SOUNDS);
+}
+
+static void
+gst_gconf_audio_sink_dispose (GObject * object)
+{
+ GstGConfAudioSink *sink = GST_GCONF_AUDIO_SINK (object);
+
+ if (sink->client) {
+ gst_gconf_switch_profile (sink, GCONF_PROFILE_NONE);
+ g_object_unref (G_OBJECT (sink->client));
+ sink->client = NULL;
+ }
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
+}
+
+static void
+gst_gconf_audio_sink_finalize (GstGConfAudioSink * sink)
+{
+ g_free (sink->gconf_str);
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, finalize, ((GObject *) (sink)));
+}
+
+static gboolean
+do_change_child (GstGConfAudioSink * sink)
+{
+ const gchar *key;
+ gchar *new_gconf_str;
+ GstElement *new_kid;
+
+ if (sink->profile == GCONF_PROFILE_NONE)
+ return FALSE; /* Can't switch to a 'NONE' sink */
+
+ key = gst_gconf_get_key_for_sink_profile (sink->profile);
+ new_gconf_str = gst_gconf_get_string (key);
+
+ GST_LOG_OBJECT (sink, "old gconf string: %s", GST_STR_NULL (sink->gconf_str));
+ GST_LOG_OBJECT (sink, "new gconf string: %s", GST_STR_NULL (new_gconf_str));
+
+ if (new_gconf_str != NULL && sink->gconf_str != NULL &&
+ (strlen (new_gconf_str) == 0 ||
+ strcmp (sink->gconf_str, new_gconf_str) == 0)) {
+ g_free (new_gconf_str);
+ GST_DEBUG_OBJECT (sink,
+ "GConf key was updated, but it didn't change. Ignoring");
+ return TRUE;
+ }
+
+ GST_DEBUG_OBJECT (sink, "GConf key changed: '%s' to '%s'",
+ GST_STR_NULL (sink->gconf_str), GST_STR_NULL (new_gconf_str));
+
+ GST_DEBUG_OBJECT (sink, "Creating new child for profile %d", sink->profile);
+ new_kid =
+ gst_gconf_render_bin_with_default (new_gconf_str, DEFAULT_AUDIOSINK);
+
+ if (new_kid == NULL) {
+ GST_ELEMENT_ERROR (sink, LIBRARY, SETTINGS, (NULL),
+ ("Failed to render audio sink from GConf"));
+ goto fail;
+ }
+
+ if (!gst_switch_sink_set_child (GST_SWITCH_SINK (sink), new_kid)) {
+ GST_WARNING_OBJECT (sink, "Failed to update child element");
+ goto fail;
+ }
+
+ g_free (sink->gconf_str);
+ sink->gconf_str = new_gconf_str;
+
+ GST_DEBUG_OBJECT (sink, "done changing gconf audio sink");
+
+ return TRUE;
+
+fail:
+ g_free (new_gconf_str);
+ return FALSE;
+}
+
+static void
+gst_gconf_switch_profile (GstGConfAudioSink * sink, GstGConfProfile profile)
+{
+ if (sink->client == NULL)
+ return;
+
+ if (sink->notify_id) {
+ GST_DEBUG_OBJECT (sink, "Unsubscribing old key %s for profile %d",
+ gst_gconf_get_key_for_sink_profile (sink->profile), sink->profile);
+ gconf_client_notify_remove (sink->client, sink->notify_id);
+ sink->notify_id = 0;
+ }
+
+ sink->profile = profile;
+ if (profile != GCONF_PROFILE_NONE) {
+ const gchar *key = gst_gconf_get_key_for_sink_profile (sink->profile);
+
+ GST_DEBUG_OBJECT (sink, "Subscribing to key %s for profile %d",
+ key, profile);
+ sink->notify_id = gconf_client_notify_add (sink->client, key,
+ cb_change_child, sink, NULL, NULL);
+ }
+}
+
+static void
+gst_gconf_audio_sink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstGConfAudioSink *sink;
+
+ sink = GST_GCONF_AUDIO_SINK (object);
+
+ switch (prop_id) {
+ case PROP_PROFILE:
+ gst_gconf_switch_profile (sink, g_value_get_enum (value));
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gst_gconf_audio_sink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstGConfAudioSink *sink;
+
+ sink = GST_GCONF_AUDIO_SINK (object);
+
+ switch (prop_id) {
+ case PROP_PROFILE:
+ g_value_set_enum (value, sink->profile);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+cb_change_child (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data)
+{
+ do_change_child (GST_GCONF_AUDIO_SINK (data));
+}
+
+static GstStateChangeReturn
+gst_gconf_audio_sink_change_state (GstElement * element,
+ GstStateChange transition)
+{
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+ GstGConfAudioSink *sink = GST_GCONF_AUDIO_SINK (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!do_change_child (sink)) {
+ gst_gconf_audio_sink_reset (sink);
+ return GST_STATE_CHANGE_FAILURE;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
+ (element, transition), GST_STATE_CHANGE_SUCCESS);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ gst_gconf_audio_sink_reset (sink);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
diff --git a/ext/gconf/gstgconfaudiosink.h b/ext/gconf/gstgconfaudiosink.h
new file mode 100644
index 0000000..2d730f3
--- /dev/null
+++ b/ext/gconf/gstgconfaudiosink.h
@@ -0,0 +1,62 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_GCONF_AUDIO_SINK_H__
+#define __GST_GCONF_AUDIO_SINK_H__
+
+#include <gst/gst.h>
+#include <gconf/gconf-client.h>
+#include "gstswitchsink.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_GCONF_AUDIO_SINK \
+ (gst_gconf_audio_sink_get_type ())
+#define GST_GCONF_AUDIO_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GCONF_AUDIO_SINK, \
+ GstGConfAudioSink))
+#define GST_GCONF_AUDIO_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GCONF_AUDIO_SINK, \
+ GstGConfAudioSinkClass))
+#define GST_IS_GCONF_AUDIO_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GCONF_AUDIO_SINK))
+#define GST_IS_GCONF_AUDIO_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GCONF_AUDIO_SINK))
+
+typedef struct _GstGConfAudioSink {
+ GstSwitchSink parent;
+
+ /* explicit pointers to stuff used */
+ GConfClient *client;
+ GstGConfProfile profile;
+ guint notify_id;
+
+ /* Current gconf string */
+ gchar *gconf_str;
+} GstGConfAudioSink;
+
+typedef struct _GstGConfAudioSinkClass {
+ GstSwitchSinkClass parent_class;
+} GstGConfAudioSinkClass;
+
+GType gst_gconf_audio_sink_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_GCONF_AUDIO_SINK_H__ */
diff --git a/ext/gconf/gstgconfaudiosrc.c b/ext/gconf/gstgconfaudiosrc.c
new file mode 100644
index 0000000..2fdd61f
--- /dev/null
+++ b/ext/gconf/gstgconfaudiosrc.c
@@ -0,0 +1,210 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * (c) 2005 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/**
+ * SECTION:element-gconfaudiosrc
+ * @see_also: #GstAlsaSrc, #GstAutoAudioSrc
+ *
+ * This element records sound from the audiosink that has been configured in
+ * GConf by the user.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch gconfaudiosrc ! audioconvert ! wavenc ! filesink location=record.wav
+ * ]| Record from configured audioinput
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "gstgconfelements.h"
+#include "gstgconfaudiosrc.h"
+
+static void gst_gconf_audio_src_dispose (GObject * object);
+static void gst_gconf_audio_src_finalize (GstGConfAudioSrc * src);
+static void cb_toggle_element (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data);
+static GstStateChangeReturn
+gst_gconf_audio_src_change_state (GstElement * element,
+ GstStateChange transition);
+
+GST_BOILERPLATE (GstGConfAudioSrc, gst_gconf_audio_src, GstSwitchSrc,
+ GST_TYPE_SWITCH_SRC);
+
+static void
+gst_gconf_audio_src_base_init (gpointer klass)
+{
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_set_details_simple (eklass, "GConf audio source",
+ "Source/Audio",
+ "Audio source embedding the GConf-settings for audio input",
+ "GStreamer maintainers <gstreamer-devel@lists.sourceforge.net>");
+}
+
+static void
+gst_gconf_audio_src_class_init (GstGConfAudioSrcClass * klass)
+{
+ GObjectClass *oklass = G_OBJECT_CLASS (klass);
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ oklass->dispose = gst_gconf_audio_src_dispose;
+ oklass->finalize = (GObjectFinalizeFunc) gst_gconf_audio_src_finalize;
+ eklass->change_state = gst_gconf_audio_src_change_state;
+}
+
+/*
+ * Hack to make negotiation work.
+ */
+
+static gboolean
+gst_gconf_audio_src_reset (GstGConfAudioSrc * src)
+{
+ gst_switch_src_set_child (GST_SWITCH_SRC (src), NULL);
+
+ g_free (src->gconf_str);
+ src->gconf_str = NULL;
+ return TRUE;
+}
+
+static void
+gst_gconf_audio_src_init (GstGConfAudioSrc * src,
+ GstGConfAudioSrcClass * g_class)
+{
+ gst_gconf_audio_src_reset (src);
+
+ src->client = gconf_client_get_default ();
+ gconf_client_add_dir (src->client, GST_GCONF_DIR,
+ GCONF_CLIENT_PRELOAD_RECURSIVE, NULL);
+ src->gconf_notify_id = gconf_client_notify_add (src->client,
+ GST_GCONF_DIR "/" GST_GCONF_AUDIOSRC_KEY,
+ cb_toggle_element, src, NULL, NULL);
+}
+
+static void
+gst_gconf_audio_src_dispose (GObject * object)
+{
+ GstGConfAudioSrc *src = GST_GCONF_AUDIO_SRC (object);
+
+ if (src->client) {
+ if (src->gconf_notify_id) {
+ gconf_client_notify_remove (src->client, src->gconf_notify_id);
+ src->gconf_notify_id = 0;
+ }
+
+ g_object_unref (G_OBJECT (src->client));
+ src->client = NULL;
+ }
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
+}
+
+static void
+gst_gconf_audio_src_finalize (GstGConfAudioSrc * src)
+{
+ g_free (src->gconf_str);
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, finalize, ((GObject *) (src)));
+}
+
+static gboolean
+do_toggle_element (GstGConfAudioSrc * src)
+{
+ GstElement *new_kid;
+ gchar *new_gconf_str;
+
+ new_gconf_str = gst_gconf_get_string (GST_GCONF_AUDIOSRC_KEY);
+ if (new_gconf_str != NULL && src->gconf_str != NULL &&
+ (strlen (new_gconf_str) == 0 ||
+ strcmp (src->gconf_str, new_gconf_str) == 0)) {
+ g_free (new_gconf_str);
+ GST_DEBUG_OBJECT (src, "GConf key was updated, but it didn't change");
+ return TRUE;
+ }
+
+ GST_DEBUG_OBJECT (src, "GConf key changed: '%s' to '%s'",
+ GST_STR_NULL (src->gconf_str), GST_STR_NULL (new_gconf_str));
+
+ GST_DEBUG_OBJECT (src, "Creating new kid");
+ if (!(new_kid = gst_gconf_get_default_audio_src ())) {
+ GST_ELEMENT_ERROR (src, LIBRARY, SETTINGS, (NULL),
+ ("Failed to render audio src from GConf"));
+ return FALSE;
+ }
+
+ if (!gst_switch_src_set_child (GST_SWITCH_SRC (src), new_kid)) {
+ GST_WARNING_OBJECT (src, "Failed to update child element");
+ goto fail;
+ }
+
+ g_free (src->gconf_str);
+ src->gconf_str = new_gconf_str;
+
+ GST_DEBUG_OBJECT (src, "done changing gconf audio src");
+
+ return TRUE;
+fail:
+ g_free (new_gconf_str);
+ return FALSE;
+}
+
+static void
+cb_toggle_element (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data)
+{
+ do_toggle_element (GST_GCONF_AUDIO_SRC (data));
+}
+
+static GstStateChangeReturn
+gst_gconf_audio_src_change_state (GstElement * element,
+ GstStateChange transition)
+{
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+ GstGConfAudioSrc *src = GST_GCONF_AUDIO_SRC (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!do_toggle_element (src)) {
+ gst_gconf_audio_src_reset (src);
+ return GST_STATE_CHANGE_FAILURE;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
+ (element, transition), GST_STATE_CHANGE_SUCCESS);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ if (!gst_gconf_audio_src_reset (src))
+ ret = GST_STATE_CHANGE_FAILURE;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
diff --git a/ext/gconf/gstgconfaudiosrc.h b/ext/gconf/gstgconfaudiosrc.h
new file mode 100644
index 0000000..40fb94b
--- /dev/null
+++ b/ext/gconf/gstgconfaudiosrc.h
@@ -0,0 +1,57 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * (c) 2005 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_GCONF_AUDIO_SRC_H__
+#define __GST_GCONF_AUDIO_SRC_H__
+
+#include <gst/gst.h>
+#include <gconf/gconf-client.h>
+
+#include "gstswitchsrc.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_GCONF_AUDIO_SRC (gst_gconf_audio_src_get_type ())
+#define GST_GCONF_AUDIO_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GCONF_AUDIO_SRC, GstGConfAudioSrc))
+#define GST_GCONF_AUDIO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GCONF_AUDIO_SRC, GstGConfAudioSrcClass))
+#define GST_IS_GCONF_AUDIO_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GCONF_AUDIO_SRC))
+#define GST_IS_GCONF_AUDIO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GCONF_AUDIO_SRC))
+
+typedef struct _GstGConfAudioSrc {
+ GstSwitchSrc parent;
+
+ /* explicit pointers to stuff used */
+ GConfClient *client;
+
+ guint gconf_notify_id;
+
+ /* Current gconf string */
+ gchar *gconf_str;
+} GstGConfAudioSrc;
+
+typedef struct _GstGConfAudioSrcClass {
+ GstSwitchSrcClass parent_class;
+} GstGConfAudioSrcClass;
+
+GType gst_gconf_audio_src_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_GCONF_AUDIO_SRC_H__ */
diff --git a/ext/gconf/gstgconfelements.c b/ext/gconf/gstgconfelements.c
new file mode 100644
index 0000000..06f0113
--- /dev/null
+++ b/ext/gconf/gstgconfelements.c
@@ -0,0 +1,59 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+
+#include "gstgconfelements.h"
+
+#include "gstgconfaudiosink.h"
+#include "gstgconfaudiosrc.h"
+#include "gstgconfvideosink.h"
+#include "gstgconfvideosrc.h"
+
+GST_DEBUG_CATEGORY (gconf_debug);
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ GST_DEBUG_CATEGORY_INIT (gconf_debug, "gconf", 0,
+ "GConf/GStreamer audio/video output wrapper elements");
+
+ if (!gst_element_register (plugin, "gconfvideosink",
+ GST_RANK_NONE, GST_TYPE_GCONF_VIDEO_SINK) ||
+ !gst_element_register (plugin, "gconfvideosrc",
+ GST_RANK_NONE, GST_TYPE_GCONF_VIDEO_SRC) ||
+ !gst_element_register (plugin, "gconfaudiosink",
+ GST_RANK_NONE, GST_TYPE_GCONF_AUDIO_SINK) ||
+ !gst_element_register (plugin, "gconfaudiosrc",
+ GST_RANK_NONE, GST_TYPE_GCONF_AUDIO_SRC)) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "gconfelements",
+ "elements wrapping the GStreamer/GConf audio/video output settings",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
diff --git a/ext/gconf/gstgconfelements.h b/ext/gconf/gstgconfelements.h
new file mode 100644
index 0000000..872b2f2
--- /dev/null
+++ b/ext/gconf/gstgconfelements.h
@@ -0,0 +1,28 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_GCONF_ELEMENTS_H__
+#define __GST_GCONF_ELEMENTS_H__
+
+#include "gstgconf.h"
+
+GST_DEBUG_CATEGORY_EXTERN (gconf_debug);
+#define GST_CAT_DEFAULT gconf_debug
+
+#endif /* __GST_GCONF_ELEMENTS_H__ */
diff --git a/ext/gconf/gstgconfvideosink.c b/ext/gconf/gstgconfvideosink.c
new file mode 100644
index 0000000..10fe90d
--- /dev/null
+++ b/ext/gconf/gstgconfvideosink.c
@@ -0,0 +1,210 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/**
+ * SECTION:element-gconfvideosink
+ *
+ * This element outputs video to the videosink that has been configured in
+ * GConf by the user.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch filesrc location=foo.ogg ! decodebin ! ffmpegcolorspace ! gconfvideosink
+ * ]| Play on configured videosink
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "gstgconfelements.h"
+#include "gstgconfvideosink.h"
+
+static void gst_gconf_video_sink_dispose (GObject * object);
+static void gst_gconf_video_sink_finalize (GstGConfVideoSink * sink);
+static void cb_toggle_element (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data);
+static GstStateChangeReturn
+gst_gconf_video_sink_change_state (GstElement * element,
+ GstStateChange transition);
+
+GST_BOILERPLATE (GstGConfVideoSink, gst_gconf_video_sink, GstSwitchSink,
+ GST_TYPE_SWITCH_SINK);
+
+static void
+gst_gconf_video_sink_base_init (gpointer klass)
+{
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_set_details_simple (eklass, "GConf video sink",
+ "Sink/Video",
+ "Video sink embedding the GConf-settings for video output",
+ "GStreamer maintainers <gstreamer-devel@lists.sourceforge.net>");
+}
+
+static void
+gst_gconf_video_sink_class_init (GstGConfVideoSinkClass * klass)
+{
+ GObjectClass *oklass = G_OBJECT_CLASS (klass);
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ oklass->dispose = gst_gconf_video_sink_dispose;
+ oklass->finalize = (GObjectFinalizeFunc) gst_gconf_video_sink_finalize;
+ eklass->change_state = gst_gconf_video_sink_change_state;
+}
+
+/*
+ * Hack to make negotiation work.
+ */
+
+static void
+gst_gconf_video_sink_reset (GstGConfVideoSink * sink)
+{
+ gst_switch_sink_set_child (GST_SWITCH_SINK (sink), NULL);
+
+ g_free (sink->gconf_str);
+ sink->gconf_str = NULL;
+}
+
+static void
+gst_gconf_video_sink_init (GstGConfVideoSink * sink,
+ GstGConfVideoSinkClass * g_class)
+{
+ gst_gconf_video_sink_reset (sink);
+
+ sink->client = gconf_client_get_default ();
+ gconf_client_add_dir (sink->client, GST_GCONF_DIR,
+ GCONF_CLIENT_PRELOAD_RECURSIVE, NULL);
+ sink->notify_id = gconf_client_notify_add (sink->client,
+ GST_GCONF_DIR "/" GST_GCONF_VIDEOSINK_KEY,
+ cb_toggle_element, sink, NULL, NULL);
+}
+
+static void
+gst_gconf_video_sink_dispose (GObject * object)
+{
+ GstGConfVideoSink *sink = GST_GCONF_VIDEO_SINK (object);
+
+ if (sink->client) {
+ if (sink->notify_id != 0)
+ gconf_client_notify_remove (sink->client, sink->notify_id);
+
+ g_object_unref (G_OBJECT (sink->client));
+ sink->client = NULL;
+ }
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
+}
+
+static void
+gst_gconf_video_sink_finalize (GstGConfVideoSink * sink)
+{
+ g_free (sink->gconf_str);
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, finalize, ((GObject *) (sink)));
+}
+
+static gboolean
+do_change_child (GstGConfVideoSink * sink)
+{
+ gchar *new_gconf_str;
+ GstElement *new_kid;
+
+ new_gconf_str = gst_gconf_get_string (GST_GCONF_VIDEOSINK_KEY);
+
+ GST_LOG_OBJECT (sink, "old gconf string: %s", GST_STR_NULL (sink->gconf_str));
+ GST_LOG_OBJECT (sink, "new gconf string: %s", GST_STR_NULL (new_gconf_str));
+
+ if (new_gconf_str != NULL && sink->gconf_str != NULL &&
+ (strlen (new_gconf_str) == 0 ||
+ strcmp (sink->gconf_str, new_gconf_str) == 0)) {
+ g_free (new_gconf_str);
+ GST_DEBUG_OBJECT (sink,
+ "GConf key was updated, but it didn't change. Ignoring");
+ return TRUE;
+ }
+
+ GST_DEBUG_OBJECT (sink, "GConf key changed: '%s' to '%s'",
+ GST_STR_NULL (sink->gconf_str), GST_STR_NULL (new_gconf_str));
+
+ GST_DEBUG_OBJECT (sink, "Creating new kid");
+ if (!(new_kid = gst_gconf_get_default_video_sink ())) {
+ GST_ELEMENT_ERROR (sink, LIBRARY, SETTINGS, (NULL),
+ ("Failed to render video sink from GConf"));
+ return FALSE;
+ }
+
+ if (!gst_switch_sink_set_child (GST_SWITCH_SINK (sink), new_kid)) {
+ GST_WARNING_OBJECT (sink, "Failed to update child element");
+ goto fail;
+ }
+
+ g_free (sink->gconf_str);
+ sink->gconf_str = new_gconf_str;
+
+ GST_DEBUG_OBJECT (sink, "done changing gconf video sink");
+
+ return TRUE;
+
+fail:
+ g_free (new_gconf_str);
+ return FALSE;
+}
+
+static void
+cb_toggle_element (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data)
+{
+ do_change_child (GST_GCONF_VIDEO_SINK (data));
+}
+
+static GstStateChangeReturn
+gst_gconf_video_sink_change_state (GstElement * element,
+ GstStateChange transition)
+{
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+ GstGConfVideoSink *sink = GST_GCONF_VIDEO_SINK (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!do_change_child (sink)) {
+ gst_gconf_video_sink_reset (sink);
+ return GST_STATE_CHANGE_FAILURE;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
+ (element, transition), GST_STATE_CHANGE_SUCCESS);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ gst_gconf_video_sink_reset (sink);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
diff --git a/ext/gconf/gstgconfvideosink.h b/ext/gconf/gstgconfvideosink.h
new file mode 100644
index 0000000..faaa0a8
--- /dev/null
+++ b/ext/gconf/gstgconfvideosink.h
@@ -0,0 +1,64 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_GCONF_VIDEO_SINK_H__
+#define __GST_GCONF_VIDEO_SINK_H__
+
+#include <gst/gst.h>
+#include <gconf/gconf-client.h>
+
+#include "gstswitchsink.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_GCONF_VIDEO_SINK \
+ (gst_gconf_video_sink_get_type ())
+#define GST_GCONF_VIDEO_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GCONF_VIDEO_SINK, \
+ GstGConfVideoSink))
+#define GST_GCONF_VIDEO_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GCONF_VIDEO_SINK, \
+ GstGConfVideoSinkClass))
+#define GST_IS_GCONF_VIDEO_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GCONF_VIDEO_SINK))
+#define GST_IS_GCONF_VIDEO_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GCONF_VIDEO_SINK))
+
+typedef struct _GstGConfVideoSink {
+ GstSwitchSink parent;
+
+ /* explicit pointers to stuff used */
+ GConfClient *client;
+
+ /* gconf notify id */
+ guint notify_id;
+
+ /* Current gconf string */
+ gchar *gconf_str;
+} GstGConfVideoSink;
+
+typedef struct _GstGConfVideoSinkClass {
+ GstSwitchSinkClass parent_class;
+} GstGConfVideoSinkClass;
+
+GType gst_gconf_video_sink_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_GCONF_VIDEO_SINK_H__ */
diff --git a/ext/gconf/gstgconfvideosrc.c b/ext/gconf/gstgconfvideosrc.c
new file mode 100644
index 0000000..2d9d5df
--- /dev/null
+++ b/ext/gconf/gstgconfvideosrc.c
@@ -0,0 +1,209 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * (c) 2005 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/**
+ * SECTION:element-gconfvideosrc
+ * @see_also: #GstAlsaSrc, #GstAutoVideoSrc
+ *
+ * This element records video from the videosink that has been configured in
+ * GConf by the user.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch gconfvideosrc ! theoraenc ! oggmux ! filesink location=record.ogg
+ * ]| Record from configured videoinput
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "gstgconfelements.h"
+#include "gstgconfvideosrc.h"
+
+static void gst_gconf_video_src_dispose (GObject * object);
+static void gst_gconf_video_src_finalize (GstGConfVideoSrc * src);
+static void cb_toggle_element (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data);
+static GstStateChangeReturn
+gst_gconf_video_src_change_state (GstElement * element,
+ GstStateChange transition);
+
+GST_BOILERPLATE (GstGConfVideoSrc, gst_gconf_video_src, GstSwitchSrc,
+ GST_TYPE_SWITCH_SRC);
+
+static void
+gst_gconf_video_src_base_init (gpointer klass)
+{
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_set_details_simple (eklass, "GConf video source",
+ "Source/Video",
+ "Video source embedding the GConf-settings for video input",
+ "GStreamer maintainers <gstreamer-devel@lists.sourceforge.net>");
+}
+
+static void
+gst_gconf_video_src_class_init (GstGConfVideoSrcClass * klass)
+{
+ GObjectClass *oklass = G_OBJECT_CLASS (klass);
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+
+ oklass->dispose = gst_gconf_video_src_dispose;
+ oklass->finalize = (GObjectFinalizeFunc) gst_gconf_video_src_finalize;
+ eklass->change_state = gst_gconf_video_src_change_state;
+}
+
+/*
+ * Hack to make negotiation work.
+ */
+
+static gboolean
+gst_gconf_video_src_reset (GstGConfVideoSrc * src)
+{
+ gst_switch_src_set_child (GST_SWITCH_SRC (src), NULL);
+
+ g_free (src->gconf_str);
+ src->gconf_str = NULL;
+
+ return TRUE;
+}
+
+static void
+gst_gconf_video_src_init (GstGConfVideoSrc * src,
+ GstGConfVideoSrcClass * g_class)
+{
+ gst_gconf_video_src_reset (src);
+
+ src->client = gconf_client_get_default ();
+ gconf_client_add_dir (src->client, GST_GCONF_DIR,
+ GCONF_CLIENT_PRELOAD_RECURSIVE, NULL);
+ src->notify_id = gconf_client_notify_add (src->client,
+ GST_GCONF_DIR "/" GST_GCONF_VIDEOSRC_KEY,
+ cb_toggle_element, src, NULL, NULL);
+}
+
+static void
+gst_gconf_video_src_dispose (GObject * object)
+{
+ GstGConfVideoSrc *src = GST_GCONF_VIDEO_SRC (object);
+
+ if (src->client) {
+ if (src->notify_id != 0)
+ gconf_client_notify_remove (src->client, src->notify_id);
+
+ g_object_unref (G_OBJECT (src->client));
+ src->client = NULL;
+ }
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
+}
+
+static void
+gst_gconf_video_src_finalize (GstGConfVideoSrc * src)
+{
+ g_free (src->gconf_str);
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, finalize, ((GObject *) (src)));
+}
+
+static gboolean
+do_toggle_element (GstGConfVideoSrc * src)
+{
+ GstElement *new_kid;
+ gchar *new_gconf_str;
+
+ new_gconf_str = gst_gconf_get_string (GST_GCONF_VIDEOSRC_KEY);
+ if (new_gconf_str != NULL && src->gconf_str != NULL &&
+ (strlen (new_gconf_str) == 0 ||
+ strcmp (src->gconf_str, new_gconf_str) == 0)) {
+ g_free (new_gconf_str);
+ GST_DEBUG_OBJECT (src, "GConf key was updated, but it didn't change");
+ return TRUE;
+ }
+
+ GST_DEBUG_OBJECT (src, "GConf key changed: '%s' to '%s'",
+ GST_STR_NULL (src->gconf_str), GST_STR_NULL (new_gconf_str));
+
+ GST_DEBUG_OBJECT (src, "Creating new kid");
+ if (!(new_kid = gst_gconf_get_default_video_src ())) {
+ GST_ELEMENT_ERROR (src, LIBRARY, SETTINGS, (NULL),
+ ("Failed to render video src from GConf"));
+ return FALSE;
+ }
+
+ if (!gst_switch_src_set_child (GST_SWITCH_SRC (src), new_kid)) {
+ GST_WARNING_OBJECT (src, "Failed to update child element");
+ goto fail;
+ }
+
+ g_free (src->gconf_str);
+ src->gconf_str = new_gconf_str;
+
+ GST_DEBUG_OBJECT (src, "done changing gconf video src");
+
+ return TRUE;
+fail:
+ g_free (new_gconf_str);
+ return FALSE;
+}
+
+static void
+cb_toggle_element (GConfClient * client,
+ guint connection_id, GConfEntry * entry, gpointer data)
+{
+ do_toggle_element (GST_GCONF_VIDEO_SRC (data));
+}
+
+static GstStateChangeReturn
+gst_gconf_video_src_change_state (GstElement * element,
+ GstStateChange transition)
+{
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+ GstGConfVideoSrc *src = GST_GCONF_VIDEO_SRC (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!do_toggle_element (src)) {
+ gst_gconf_video_src_reset (src);
+ return GST_STATE_CHANGE_FAILURE;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
+ (element, transition), GST_STATE_CHANGE_SUCCESS);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ if (!gst_gconf_video_src_reset (src))
+ ret = GST_STATE_CHANGE_FAILURE;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
diff --git a/ext/gconf/gstgconfvideosrc.h b/ext/gconf/gstgconfvideosrc.h
new file mode 100644
index 0000000..5c8300d
--- /dev/null
+++ b/ext/gconf/gstgconfvideosrc.h
@@ -0,0 +1,58 @@
+/* GStreamer
+ * (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * (c) 2005 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_GCONF_VIDEO_SRC_H__
+#define __GST_GCONF_VIDEO_SRC_H__
+
+#include <gst/gst.h>
+#include <gconf/gconf-client.h>
+
+#include "gstswitchsrc.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_GCONF_VIDEO_SRC (gst_gconf_video_src_get_type ())
+#define GST_GCONF_VIDEO_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GCONF_VIDEO_SRC, GstGConfVideoSrc))
+#define GST_GCONF_VIDEO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GCONF_VIDEO_SRC, GstGConfVideoSrcClass))
+#define GST_IS_GCONF_VIDEO_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GCONF_VIDEO_SRC))
+#define GST_IS_GCONF_VIDEO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GCONF_VIDEO_SRC))
+
+typedef struct _GstGConfVideoSrc {
+ GstSwitchSrc parent;
+
+ /* explicit pointers to stuff used */
+ GConfClient *client;
+
+ /* gconf key notification id */
+ guint notify_id;
+
+ /* Current gconf string */
+ gchar *gconf_str;
+} GstGConfVideoSrc;
+
+typedef struct _GstGConfVideoSrcClass {
+ GstSwitchSrcClass parent_class;
+} GstGConfVideoSrcClass;
+
+GType gst_gconf_video_src_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_GCONF_VIDEO_SRC_H__ */
diff --git a/ext/gconf/gstswitchsink.c b/ext/gconf/gstswitchsink.c
new file mode 100644
index 0000000..1fccf68
--- /dev/null
+++ b/ext/gconf/gstswitchsink.c
@@ -0,0 +1,270 @@
+/* GStreamer
+ * Copyright (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (c) 2006 Jürg Billeter <j@bitron.ch>
+ * Copyright (c) 2007 Jan Schmidt <thaytan@noraisin.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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "gstswitchsink.h"
+
+GST_DEBUG_CATEGORY_STATIC (switch_debug);
+#define GST_CAT_DEFAULT switch_debug
+
+static void gst_switch_sink_dispose (GObject * object);
+static GstStateChangeReturn
+gst_switch_sink_change_state (GstElement * element, GstStateChange transition);
+
+enum
+{
+ PROP_0
+};
+
+GST_BOILERPLATE (GstSwitchSink, gst_switch_sink, GstBin, GST_TYPE_BIN);
+
+static void
+gst_switch_sink_base_init (gpointer klass)
+{
+ GST_DEBUG_CATEGORY_INIT (switch_debug, "switchsink", 0, "switchsink element");
+}
+
+static void
+gst_switch_sink_class_init (GstSwitchSinkClass * klass)
+{
+ GObjectClass *oklass = G_OBJECT_CLASS (klass);
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+ GstPadTemplate *child_pad_templ;
+
+ oklass->dispose = gst_switch_sink_dispose;
+ eklass->change_state = gst_switch_sink_change_state;
+
+ /* Provide a default pad template if the child didn't */
+ child_pad_templ = gst_element_class_get_pad_template (eklass, "sink");
+ if (child_pad_templ == NULL) {
+ gst_element_class_add_pad_template (eklass,
+ gst_static_pad_template_get (&sink_template));
+ }
+}
+
+static gboolean
+gst_switch_sink_reset (GstSwitchSink * sink)
+{
+ /* this will install fakesink if no other child has been set,
+ * otherwise we rely on the subclass to know when to unset its
+ * custom kid */
+ if (sink->kid == NULL) {
+ return gst_switch_sink_set_child (sink, NULL);
+ }
+
+ return TRUE;
+}
+
+static void
+gst_switch_sink_init (GstSwitchSink * sink, GstSwitchSinkClass * g_class)
+{
+ GstElementClass *eklass = GST_ELEMENT_GET_CLASS (sink);
+ GstPadTemplate *templ;
+
+ templ = gst_element_class_get_pad_template (eklass, "sink");
+ sink->pad = gst_ghost_pad_new_no_target_from_template ("sink", templ);
+ gst_element_add_pad (GST_ELEMENT (sink), sink->pad);
+
+ gst_switch_sink_reset (sink);
+
+ GST_OBJECT_FLAG_SET (sink, GST_ELEMENT_IS_SINK);
+}
+
+static void
+gst_switch_sink_dispose (GObject * object)
+{
+ GstSwitchSink *sink = GST_SWITCH_SINK (object);
+ GstObject *new_kid, *kid;
+
+ GST_OBJECT_LOCK (sink);
+ new_kid = GST_OBJECT_CAST (sink->new_kid);
+ sink->new_kid = NULL;
+
+ kid = GST_OBJECT_CAST (sink->kid);
+ sink->kid = NULL;
+ GST_OBJECT_UNLOCK (sink);
+
+ gst_object_replace (&new_kid, NULL);
+ gst_object_replace (&kid, NULL);
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
+}
+
+static gboolean
+gst_switch_sink_commit_new_kid (GstSwitchSink * sink)
+{
+ GstPad *targetpad;
+ GstState kid_state;
+ GstElement *new_kid, *old_kid;
+ gboolean is_fakesink = FALSE;
+ GstBus *bus;
+
+ /* need locking around member accesses */
+ GST_OBJECT_LOCK (sink);
+ /* If we're currently changing state, set the child to the next state
+ * we're transitioning too, rather than our current state which is
+ * about to change */
+ if (GST_STATE_NEXT (sink) != GST_STATE_VOID_PENDING)
+ kid_state = GST_STATE_NEXT (sink);
+ else
+ kid_state = GST_STATE (sink);
+
+ new_kid = sink->new_kid ? gst_object_ref (sink->new_kid) : NULL;
+ sink->new_kid = NULL;
+ GST_OBJECT_UNLOCK (sink);
+
+ /* Fakesink by default if NULL is passed as the new child */
+ if (new_kid == NULL) {
+ GST_DEBUG_OBJECT (sink, "Replacing kid with fakesink");
+ new_kid = gst_element_factory_make ("fakesink", "testsink");
+ if (new_kid == NULL) {
+ GST_ERROR_OBJECT (sink, "Failed to create fakesink");
+ return FALSE;
+ }
+ /* Add a reference, as it would if the element came from sink->new_kid */
+ gst_object_ref (new_kid);
+ g_object_set (new_kid, "sync", TRUE, NULL);
+ is_fakesink = TRUE;
+ } else {
+ GST_DEBUG_OBJECT (sink, "Setting new kid");
+ }
+
+ /* set temporary bus of our own to catch error messages from the child
+ * (could we just set our own bus on it, or would the state change messages
+ * from the not-yet-added element confuse the state change algorithm? Let's
+ * play it safe for now) */
+ bus = gst_bus_new ();
+ gst_element_set_bus (new_kid, bus);
+ gst_object_unref (bus);
+
+ if (gst_element_set_state (new_kid, kid_state) == GST_STATE_CHANGE_FAILURE) {
+ GstMessage *msg;
+
+ /* check if child posted an error message and if so re-post it on our bus
+ * so that the application gets to see a decent error and not our generic
+ * fallback error message which is completely indecipherable to the user */
+ msg = gst_bus_pop_filtered (GST_ELEMENT_BUS (new_kid), GST_MESSAGE_ERROR);
+ if (msg) {
+ GST_INFO_OBJECT (sink, "Forwarding kid error: %" GST_PTR_FORMAT, msg);
+ gst_element_post_message (GST_ELEMENT (sink), msg);
+ }
+ GST_ELEMENT_ERROR (sink, CORE, STATE_CHANGE, (NULL),
+ ("Failed to set state on new child."));
+ gst_element_set_bus (new_kid, NULL);
+ gst_object_unref (new_kid);
+ return FALSE;
+ }
+ gst_element_set_bus (new_kid, NULL);
+ gst_bin_add (GST_BIN (sink), new_kid);
+
+ /* Now, replace the existing child */
+ GST_OBJECT_LOCK (sink);
+ old_kid = sink->kid;
+ sink->kid = new_kid;
+ /* Mark whether a custom kid or fakesink has been installed */
+ sink->have_kid = !is_fakesink;
+ GST_OBJECT_UNLOCK (sink);
+
+ /* kill old element */
+ if (old_kid) {
+ GST_DEBUG_OBJECT (sink, "Removing old kid %" GST_PTR_FORMAT, old_kid);
+ gst_element_set_state (old_kid, GST_STATE_NULL);
+ gst_bin_remove (GST_BIN (sink), old_kid);
+ gst_object_unref (old_kid);
+ /* Don't lose the SINK flag */
+ GST_OBJECT_FLAG_SET (sink, GST_ELEMENT_IS_SINK);
+ }
+
+ /* re-attach ghostpad */
+ GST_DEBUG_OBJECT (sink, "Creating new ghostpad");
+ targetpad = gst_element_get_static_pad (sink->kid, "sink");
+ gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad);
+ gst_object_unref (targetpad);
+ GST_DEBUG_OBJECT (sink, "done changing child of switchsink");
+
+ /* FIXME: Push new-segment info and pre-roll buffer(s) into the kid */
+
+ return TRUE;
+}
+
+gboolean
+gst_switch_sink_set_child (GstSwitchSink * sink, GstElement * new_kid)
+{
+ GstState cur, next;
+ GstElement **p_kid;
+
+ /* Nothing to do if clearing the child and we've already installed fakesink */
+ if (new_kid == NULL && sink->kid != NULL && sink->have_kid == FALSE)
+ return TRUE;
+
+ /* Store the new kid to be committed later */
+ GST_OBJECT_LOCK (sink);
+ cur = GST_STATE (sink);
+ next = GST_STATE_NEXT (sink);
+ p_kid = &sink->new_kid;
+ gst_object_replace ((GstObject **) p_kid, (GstObject *) new_kid);
+ GST_OBJECT_UNLOCK (sink);
+ if (new_kid)
+ gst_object_unref (new_kid);
+
+ /* Sometime, it would be lovely to allow sink changes even when
+ * already running, but this involves sending an appropriate new-segment
+ * and possibly prerolling etc */
+ /* FIXME: Block the pad and replace the kid when it completes */
+ if (cur > GST_STATE_READY || next == GST_STATE_PAUSED) {
+ GST_DEBUG_OBJECT (sink,
+ "Switch-sink is already running. Ignoring change of child.");
+ gst_object_unref (new_kid);
+ return TRUE;
+ }
+
+ return gst_switch_sink_commit_new_kid (sink);
+}
+
+static GstStateChangeReturn
+gst_switch_sink_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+ GstSwitchSink *sink = GST_SWITCH_SINK (element);
+
+ ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
+ (element, transition), GST_STATE_CHANGE_SUCCESS);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ if (!gst_switch_sink_reset (sink))
+ ret = GST_STATE_CHANGE_FAILURE;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
diff --git a/ext/gconf/gstswitchsink.h b/ext/gconf/gstswitchsink.h
new file mode 100644
index 0000000..556e755
--- /dev/null
+++ b/ext/gconf/gstswitchsink.h
@@ -0,0 +1,62 @@
+/* GStreamer
+ * Copyright (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (c) 2007 Jan Schmidt <thaytan@mad.scientist.com>
+ *
+ * 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.
+ */
+
+#ifndef __GST_SWITCH_SINK_H__
+#define __GST_SWITCH_SINK_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_SWITCH_SINK \
+ (gst_switch_sink_get_type ())
+#define GST_SWITCH_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SWITCH_SINK, \
+ GstSwitchSink))
+#define GST_SWITCH_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SWITCH_SINK, \
+ GstSwitchSinkClass))
+#define GST_IS_SWITCH_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SWITCH_SINK))
+#define GST_IS_SWITCH_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SWITCH_SINK))
+
+typedef struct _GstSwitchSink {
+ GstBin parent;
+
+ GstElement *kid;
+ GstElement *new_kid;
+ GstPad *pad;
+
+ /* If a custom child has been set... */
+ gboolean have_kid;
+} GstSwitchSink;
+
+typedef struct _GstSwitchSinkClass {
+ GstBinClass parent_class;
+} GstSwitchSinkClass;
+
+GType gst_switch_sink_get_type (void);
+
+gboolean gst_switch_sink_set_child (GstSwitchSink *ssink, GstElement *new_kid);
+
+G_END_DECLS
+
+#endif /* __GST_SWITCH_SINK_H__ */
diff --git a/ext/gconf/gstswitchsrc.c b/ext/gconf/gstswitchsrc.c
new file mode 100644
index 0000000..0136e4a
--- /dev/null
+++ b/ext/gconf/gstswitchsrc.c
@@ -0,0 +1,262 @@
+/* GStreamer
+ * Copyright (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (c) 2006 Jürg Billeter <j@bitron.ch>
+ * Copyright (c) 2007 Jan Schmidt <thaytan@noraisin.net>
+ * Copyright (c) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "gstswitchsrc.h"
+
+GST_DEBUG_CATEGORY_STATIC (switch_debug);
+#define GST_CAT_DEFAULT switch_debug
+
+static void gst_switch_src_dispose (GObject * object);
+static GstStateChangeReturn
+gst_switch_src_change_state (GstElement * element, GstStateChange transition);
+
+GST_BOILERPLATE (GstSwitchSrc, gst_switch_src, GstBin, GST_TYPE_BIN);
+
+static void
+gst_switch_src_base_init (gpointer klass)
+{
+ GST_DEBUG_CATEGORY_INIT (switch_debug, "switchsrc", 0, "switchsrc element");
+}
+
+static void
+gst_switch_src_class_init (GstSwitchSrcClass * klass)
+{
+ GObjectClass *oklass = G_OBJECT_CLASS (klass);
+ GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
+ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+ GstPadTemplate *child_pad_templ;
+
+ oklass->dispose = gst_switch_src_dispose;
+ eklass->change_state = gst_switch_src_change_state;
+
+ /* Provide a default pad template if the child didn't */
+ child_pad_templ = gst_element_class_get_pad_template (eklass, "src");
+ if (child_pad_templ == NULL) {
+ gst_element_class_add_pad_template (eklass,
+ gst_static_pad_template_get (&src_template));
+ }
+}
+
+static gboolean
+gst_switch_src_reset (GstSwitchSrc * src)
+{
+ /* this will install fakesrc if no other child has been set,
+ * otherwise we rely on the subclass to know when to unset its
+ * custom kid */
+ if (src->kid == NULL) {
+ return gst_switch_src_set_child (src, NULL);
+ }
+
+ return TRUE;
+}
+
+static void
+gst_switch_src_init (GstSwitchSrc * src, GstSwitchSrcClass * g_class)
+{
+ GstElementClass *eklass = GST_ELEMENT_GET_CLASS (src);
+ GstPadTemplate *templ;
+
+ templ = gst_element_class_get_pad_template (eklass, "src");
+ src->pad = gst_ghost_pad_new_no_target_from_template ("src", templ);
+ gst_element_add_pad (GST_ELEMENT (src), src->pad);
+
+ gst_switch_src_reset (src);
+
+ GST_OBJECT_FLAG_SET (src, GST_ELEMENT_IS_SOURCE);
+}
+
+static void
+gst_switch_src_dispose (GObject * object)
+{
+ GstSwitchSrc *src = GST_SWITCH_SRC (object);
+ GstObject *new_kid, *kid;
+
+ GST_OBJECT_LOCK (src);
+ new_kid = GST_OBJECT_CAST (src->new_kid);
+ src->new_kid = NULL;
+
+ kid = GST_OBJECT_CAST (src->kid);
+ src->kid = NULL;
+ GST_OBJECT_UNLOCK (src);
+
+ gst_object_replace (&new_kid, NULL);
+ gst_object_replace (&kid, NULL);
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
+}
+
+static gboolean
+gst_switch_src_commit_new_kid (GstSwitchSrc * src)
+{
+ GstPad *targetpad;
+ GstState kid_state;
+ GstElement *new_kid, *old_kid;
+ gboolean is_fakesrc = FALSE;
+ GstBus *bus;
+
+ /* need locking around member accesses */
+ GST_OBJECT_LOCK (src);
+ /* If we're currently changing state, set the child to the next state
+ * we're transitioning too, rather than our current state which is
+ * about to change */
+ if (GST_STATE_NEXT (src) != GST_STATE_VOID_PENDING)
+ kid_state = GST_STATE_NEXT (src);
+ else
+ kid_state = GST_STATE (src);
+
+ new_kid = src->new_kid ? gst_object_ref (src->new_kid) : NULL;
+ src->new_kid = NULL;
+ GST_OBJECT_UNLOCK (src);
+
+ /* Fakesrc by default if NULL is passed as the new child */
+ if (new_kid == NULL) {
+ GST_DEBUG_OBJECT (src, "Replacing kid with fakesrc");
+ new_kid = gst_element_factory_make ("fakesrc", "testsrc");
+ if (new_kid == NULL) {
+ GST_ERROR_OBJECT (src, "Failed to create fakesrc");
+ return FALSE;
+ }
+ /* Add a reference, as it would if the element came from src->new_kid */
+ gst_object_ref (new_kid);
+ is_fakesrc = TRUE;
+ } else {
+ GST_DEBUG_OBJECT (src, "Setting new kid");
+ }
+
+ /* set temporary bus of our own to catch error messages from the child
+ * (could we just set our own bus on it, or would the state change messages
+ * from the not-yet-added element confuse the state change algorithm? Let's
+ * play it safe for now) */
+ bus = gst_bus_new ();
+ gst_element_set_bus (new_kid, bus);
+ gst_object_unref (bus);
+
+ if (gst_element_set_state (new_kid, kid_state) == GST_STATE_CHANGE_FAILURE) {
+ GstMessage *msg;
+
+ /* check if child posted an error message and if so re-post it on our bus
+ * so that the application gets to see a decent error and not our generic
+ * fallback error message which is completely indecipherable to the user */
+ msg = gst_bus_pop_filtered (GST_ELEMENT_BUS (new_kid), GST_MESSAGE_ERROR);
+ if (msg) {
+ GST_INFO_OBJECT (src, "Forwarding kid error: %" GST_PTR_FORMAT, msg);
+ gst_element_post_message (GST_ELEMENT (src), msg);
+ }
+ GST_ELEMENT_ERROR (src, CORE, STATE_CHANGE, (NULL),
+ ("Failed to set state on new child."));
+ gst_element_set_bus (new_kid, NULL);
+ gst_object_unref (new_kid);
+ return FALSE;
+ }
+ gst_element_set_bus (new_kid, NULL);
+ gst_bin_add (GST_BIN (src), new_kid);
+
+ /* Now, replace the existing child */
+ GST_OBJECT_LOCK (src);
+ old_kid = src->kid;
+ src->kid = new_kid;
+ /* Mark whether a custom kid or fakesrc has been installed */
+ src->have_kid = !is_fakesrc;
+ GST_OBJECT_UNLOCK (src);
+
+ /* kill old element */
+ if (old_kid) {
+ GST_DEBUG_OBJECT (src, "Removing old kid %" GST_PTR_FORMAT, old_kid);
+ gst_element_set_state (old_kid, GST_STATE_NULL);
+ gst_bin_remove (GST_BIN (src), old_kid);
+ gst_object_unref (old_kid);
+ /* Don't lose the SOURCE flag */
+ GST_OBJECT_FLAG_SET (src, GST_ELEMENT_IS_SOURCE);
+ }
+
+ /* re-attach ghostpad */
+ GST_DEBUG_OBJECT (src, "Creating new ghostpad");
+ targetpad = gst_element_get_static_pad (src->kid, "src");
+ gst_ghost_pad_set_target (GST_GHOST_PAD (src->pad), targetpad);
+ gst_object_unref (targetpad);
+ GST_DEBUG_OBJECT (src, "done changing child of switchsrc");
+
+ return TRUE;
+}
+
+gboolean
+gst_switch_src_set_child (GstSwitchSrc * src, GstElement * new_kid)
+{
+ GstState cur, next;
+ GstElement **p_kid;
+
+ /* Nothing to do if clearing the child and we've already installed fakesrc */
+ if (new_kid == NULL && src->kid != NULL && src->have_kid == FALSE)
+ return TRUE;
+
+ /* Store the new kid to be committed later */
+ GST_OBJECT_LOCK (src);
+ cur = GST_STATE (src);
+ next = GST_STATE_NEXT (src);
+ p_kid = &src->new_kid;
+ gst_object_replace ((GstObject **) p_kid, (GstObject *) new_kid);
+ GST_OBJECT_UNLOCK (src);
+ if (new_kid)
+ gst_object_unref (new_kid);
+
+ /* Sometime, it would be lovely to allow src changes even when
+ * already running */
+ /* FIXME: Block the pad and replace the kid when it completes */
+ if (cur > GST_STATE_READY || next == GST_STATE_PAUSED) {
+ GST_DEBUG_OBJECT (src,
+ "Switch-src is already running. Ignoring change of child.");
+ gst_object_unref (new_kid);
+ return TRUE;
+ }
+
+ return gst_switch_src_commit_new_kid (src);
+}
+
+static GstStateChangeReturn
+gst_switch_src_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+ GstSwitchSrc *src = GST_SWITCH_SRC (element);
+
+ ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
+ (element, transition), GST_STATE_CHANGE_SUCCESS);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ if (!gst_switch_src_reset (src))
+ ret = GST_STATE_CHANGE_FAILURE;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
diff --git a/ext/gconf/gstswitchsrc.h b/ext/gconf/gstswitchsrc.h
new file mode 100644
index 0000000..6c550ad
--- /dev/null
+++ b/ext/gconf/gstswitchsrc.h
@@ -0,0 +1,57 @@
+/* GStreamer
+ *
+ * Copyright (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (c) 2005 Tim-Philipp Müller <tim centricular net>
+ * Copyright (c) 2007 Jan Schmidt <thaytan@mad.scientist.com>
+ * Copyright (c) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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.
+ */
+
+#ifndef __GST_SWITCH_SRC_H__
+#define __GST_SWITCH_SRC_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_SWITCH_SRC (gst_switch_src_get_type ())
+#define GST_SWITCH_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SWITCH_SRC, GstSwitchSrc))
+#define GST_SWITCH_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SWITCH_SRC, GstSwitchSrcClass))
+#define GST_IS_SWITCH_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SWITCH_SRC))
+#define GST_IS_SWITCH_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SWITCH_SRC))
+
+typedef struct _GstSwitchSrc {
+ GstBin parent;
+
+ GstElement *kid;
+ GstElement *new_kid;
+ GstPad *pad;
+
+ /* If a custom child has been set... */
+ gboolean have_kid;
+} GstSwitchSrc;
+
+typedef struct _GstSwitchSrcClass {
+ GstBinClass parent_class;
+} GstSwitchSrcClass;
+
+GType gst_switch_src_get_type (void);
+gboolean gst_switch_src_set_child (GstSwitchSrc *ssrc, GstElement *new_kid);
+
+G_END_DECLS
+
+#endif /* __GST_SWITCH_SRC_H__ */