diff options
author | Tim-Philipp Müller <tim@centricular.net> | 2006-01-06 16:28:30 +0000 |
---|---|---|
committer | Tim-Philipp Müller <tim@centricular.net> | 2006-01-06 16:28:30 +0000 |
commit | cc627c9c818eed1ebac140036e4a3fe767acbe18 (patch) | |
tree | 2c180b6a6a9459caeefe654d1ee9a039902f1173 /ext/gconf | |
parent | c6b9d19c3100c3600243526986f9adb205bc55e1 (diff) |
ext/gconf/: Add new gconfaudiosrc and gconfvideosrc elements (needed for gnome-sound-recorder).
Original commit message from CVS:
* ext/gconf/Makefile.am:
* ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init),
(gst_gconf_audio_src_class_init), (gst_gconf_audio_src_reset),
(gst_gconf_audio_src_init), (gst_gconf_audio_src_dispose),
(do_toggle_element), (cb_toggle_element),
(gst_gconf_audio_src_change_state):
* ext/gconf/gstgconfaudiosrc.h:
* ext/gconf/gstgconfelements.c: (plugin_init):
* ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init),
(gst_gconf_video_src_class_init), (gst_gconf_video_src_reset),
(gst_gconf_video_src_init), (gst_gconf_video_src_dispose),
(do_toggle_element), (cb_toggle_element),
(gst_gconf_video_src_change_state):
* ext/gconf/gstgconfvideosrc.h:
Add new gconfaudiosrc and gconfvideosrc elements
(needed for gnome-sound-recorder).
Diffstat (limited to 'ext/gconf')
-rw-r--r-- | ext/gconf/Makefile.am | 4 | ||||
-rw-r--r-- | ext/gconf/gstgconfaudiosrc.c | 185 | ||||
-rw-r--r-- | ext/gconf/gstgconfaudiosrc.h | 52 | ||||
-rw-r--r-- | ext/gconf/gstgconfelements.c | 18 | ||||
-rw-r--r-- | ext/gconf/gstgconfvideosrc.c | 185 | ||||
-rw-r--r-- | ext/gconf/gstgconfvideosrc.h | 52 |
6 files changed, 492 insertions, 4 deletions
diff --git a/ext/gconf/Makefile.am b/ext/gconf/Makefile.am index 688d38a0..942aa283 100644 --- a/ext/gconf/Makefile.am +++ b/ext/gconf/Makefile.am @@ -2,8 +2,10 @@ plugin_LTLIBRARIES = libgstgconfelements.la libgstgconfelements_la_SOURCES = \ gstgconfaudiosink.c \ + gstgconfaudiosrc.c \ gstgconfelements.c \ gstgconfvideosink.c \ + gstgconfvideosrc.c \ gconf.c DIR_CFLAGS = -DGST_GCONF_DIR=\"/system/gstreamer/@GST_MAJORMINOR@\" @@ -13,6 +15,8 @@ libgstgconfelements_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) noinst_HEADERS = \ gstgconfaudiosink.h \ + gstgconfaudiosrc.h \ gstgconfelements.h \ gstgconfvideosink.h \ + gstgconfvideosrc.h \ gconf.h diff --git a/ext/gconf/gstgconfaudiosrc.c b/ext/gconf/gstgconfaudiosrc.c new file mode 100644 index 00000000..0ea53be9 --- /dev/null +++ b/ext/gconf/gstgconfaudiosrc.c @@ -0,0 +1,185 @@ +/* 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gstgconfelements.h" +#include "gstgconfaudiosrc.h" + +static void gst_gconf_audio_src_dispose (GObject * object); +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, GstBin, GST_TYPE_BIN); + +static void +gst_gconf_audio_src_base_init (gpointer klass) +{ + GstElementClass *eklass = GST_ELEMENT_CLASS (klass); + GstElementDetails gst_gconf_audio_src_details = { + "GConf audio source", + "Source/Audio", + "Audio source embedding the GConf-settings for audio input", + "Ronald Bultje <rbultje@ronald.bitfreak.net>" + }; + GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + + gst_element_class_add_pad_template (eklass, + gst_static_pad_template_get (&src_template)); + gst_element_class_set_details (eklass, &gst_gconf_audio_src_details); +} + +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; + eklass->change_state = gst_gconf_audio_src_change_state; +} + +/* + * Hack to make negotiation work. + */ + +static void +gst_gconf_audio_src_reset (GstGConfAudioSrc * src) +{ + GstPad *targetpad; + + /* fakesrc */ + if (src->kid) { + gst_element_set_state (src->kid, GST_STATE_NULL); + gst_bin_remove (GST_BIN (src), src->kid); + } + src->kid = gst_element_factory_make ("fakesrc", "testsrc"); + gst_bin_add (GST_BIN (src), src->kid); + + targetpad = gst_element_get_pad (src->kid, "src"); + gst_ghost_pad_set_target (GST_GHOST_PAD (src->pad), targetpad); + gst_object_unref (targetpad); +} + +static void +gst_gconf_audio_src_init (GstGConfAudioSrc * src, + GstGConfAudioSrcClass * g_class) +{ + src->pad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC); + gst_element_add_pad (GST_ELEMENT (src), src->pad); + + 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); + gconf_client_notify_add (src->client, GST_GCONF_DIR "/default/audiosrc", + 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) { + g_object_unref (G_OBJECT (src->client)); + src->client = NULL; + } + + GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object)); +} + +static gboolean +do_toggle_element (GstGConfAudioSrc * src) +{ + GstPad *targetpad; + + /* kill old element */ + if (src->kid) { + GST_DEBUG_OBJECT (src, "Removing old kid"); + gst_element_set_state (src->kid, GST_STATE_NULL); + gst_bin_remove (GST_BIN (src), src->kid); + src->kid = NULL; + } + + GST_DEBUG_OBJECT (src, "Creating new kid"); + if (!(src->kid = gst_gconf_get_default_audio_src ())) { + GST_ELEMENT_ERROR (src, LIBRARY, SETTINGS, (NULL), + ("Failed to render audio source from GConf")); + return FALSE; + } + gst_element_set_state (src->kid, GST_STATE (src)); + gst_bin_add (GST_BIN (src), src->kid); + + /* re-attach ghostpad */ + GST_DEBUG_OBJECT (src, "Creating new ghostpad"); + targetpad = gst_element_get_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 gconf audio source"); + + return TRUE; +} + +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)) + 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_src_reset (src); + break; + default: + break; + } + + return ret; +} diff --git a/ext/gconf/gstgconfaudiosrc.h b/ext/gconf/gstgconfaudiosrc.h new file mode 100644 index 00000000..7c4c32be --- /dev/null +++ b/ext/gconf/gstgconfaudiosrc.h @@ -0,0 +1,52 @@ +/* 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> + +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, GstGConfAudioSrc)) +#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 { + GstBin parent; + + /* explicit pointers to stuff used */ + GConfClient *client; + GstElement *kid; + GstPad *pad; +} GstGConfAudioSrc; + +typedef struct _GstGConfAudioSrcClass { + GstBinClass 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 index e636278b..06f0113b 100644 --- a/ext/gconf/gstgconfelements.c +++ b/ext/gconf/gstgconfelements.c @@ -26,7 +26,9 @@ #include "gstgconfelements.h" #include "gstgconfaudiosink.h" +#include "gstgconfaudiosrc.h" #include "gstgconfvideosink.h" +#include "gstgconfvideosrc.h" GST_DEBUG_CATEGORY (gconf_debug); @@ -36,10 +38,18 @@ plugin_init (GstPlugin * plugin) GST_DEBUG_CATEGORY_INIT (gconf_debug, "gconf", 0, "GConf/GStreamer audio/video output wrapper elements"); - return gst_element_register (plugin, "gconfvideosink", - GST_RANK_NONE, GST_TYPE_GCONF_VIDEO_SINK) && - gst_element_register (plugin, "gconfaudiosink", - GST_RANK_NONE, GST_TYPE_GCONF_AUDIO_SINK); + 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, diff --git a/ext/gconf/gstgconfvideosrc.c b/ext/gconf/gstgconfvideosrc.c new file mode 100644 index 00000000..ecc3cc27 --- /dev/null +++ b/ext/gconf/gstgconfvideosrc.c @@ -0,0 +1,185 @@ +/* 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gstgconfelements.h" +#include "gstgconfvideosrc.h" + +static void gst_gconf_video_src_dispose (GObject * object); +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, GstBin, GST_TYPE_BIN); + +static void +gst_gconf_video_src_base_init (gpointer klass) +{ + GstElementClass *eklass = GST_ELEMENT_CLASS (klass); + GstElementDetails gst_gconf_video_src_details = { + "GConf video source", + "Source/Video", + "Video source embedding the GConf-settings for video input", + "Ronald Bultje <rbultje@ronald.bitfreak.net>" + }; + GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + + gst_element_class_add_pad_template (eklass, + gst_static_pad_template_get (&src_template)); + gst_element_class_set_details (eklass, &gst_gconf_video_src_details); +} + +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; + eklass->change_state = gst_gconf_video_src_change_state; +} + +/* + * Hack to make negotiation work. + */ + +static void +gst_gconf_video_src_reset (GstGConfVideoSrc * src) +{ + GstPad *targetpad; + + /* fakesrc */ + if (src->kid) { + gst_element_set_state (src->kid, GST_STATE_NULL); + gst_bin_remove (GST_BIN (src), src->kid); + } + src->kid = gst_element_factory_make ("fakesrc", "testsrc"); + gst_bin_add (GST_BIN (src), src->kid); + + targetpad = gst_element_get_pad (src->kid, "src"); + gst_ghost_pad_set_target (GST_GHOST_PAD (src->pad), targetpad); + gst_object_unref (targetpad); +} + +static void +gst_gconf_video_src_init (GstGConfVideoSrc * src, + GstGConfVideoSrcClass * g_class) +{ + src->pad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC); + gst_element_add_pad (GST_ELEMENT (src), src->pad); + + 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); + gconf_client_notify_add (src->client, GST_GCONF_DIR "/default/videosrc", + 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) { + g_object_unref (G_OBJECT (src->client)); + src->client = NULL; + } + + GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object)); +} + +static gboolean +do_toggle_element (GstGConfVideoSrc * src) +{ + GstPad *targetpad; + + /* kill old element */ + if (src->kid) { + GST_DEBUG_OBJECT (src, "Removing old kid"); + gst_element_set_state (src->kid, GST_STATE_NULL); + gst_bin_remove (GST_BIN (src), src->kid); + src->kid = NULL; + } + + GST_DEBUG_OBJECT (src, "Creating new kid"); + if (!(src->kid = gst_gconf_get_default_video_src ())) { + GST_ELEMENT_ERROR (src, LIBRARY, SETTINGS, (NULL), + ("Failed to render video source from GConf")); + return FALSE; + } + gst_element_set_state (src->kid, GST_STATE (src)); + gst_bin_add (GST_BIN (src), src->kid); + + /* re-attach ghostpad */ + GST_DEBUG_OBJECT (src, "Creating new ghostpad"); + targetpad = gst_element_get_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 gconf video source"); + + return TRUE; +} + +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)) + 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_src_reset (src); + break; + default: + break; + } + + return ret; +} diff --git a/ext/gconf/gstgconfvideosrc.h b/ext/gconf/gstgconfvideosrc.h new file mode 100644 index 00000000..fa44e4b0 --- /dev/null +++ b/ext/gconf/gstgconfvideosrc.h @@ -0,0 +1,52 @@ +/* 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> + +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, GstGConfVideoSrc)) +#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 { + GstBin parent; + + /* explicit pointers to stuff used */ + GConfClient *client; + GstElement *kid; + GstPad *pad; +} GstGConfVideoSrc; + +typedef struct _GstGConfVideoSrcClass { + GstBinClass parent_class; +} GstGConfVideoSrcClass; + +GType gst_gconf_video_src_get_type (void); + +G_END_DECLS + +#endif /* __GST_GCONF_VIDEO_SRC_H__ */ |