gst-libs/Makefile
gst-libs/gst/Makefile
gst-libs/gst/audio/Makefile
+gst-libs/gst/colorbalance/Makefile
gst-libs/gst/floatcast/Makefile
gst-libs/gst/gconf/Makefile
gst-libs/gst/idct/Makefile
gst-libs/gst/play/Makefile
gst-libs/gst/resample/Makefile
gst-libs/gst/riff/Makefile
+gst-libs/gst/tuner/Makefile
gst-libs/gst/video/Makefile
+gst-libs/gst/xoverlay/Makefile
+gst-libs/gst/xwindowlistener/Makefile
gst-libs/ext/Makefile
gst-libs/ext/ffmpeg/Makefile
gst-libs/ext/mplex/Makefile
GCONF_DIR=
endif
-SUBDIRS = audio idct resample riff floatcast \
- $(GCONF_DIR) media-info mixer \
- navigation play video
+if USE_XFREE
+X_DIR=xwindowlistener
+else
+X_DIR=
+endif
+
+SUBDIRS = audio colorbalance floatcast \
+ $(GCONF_DIR) idct media-info \
+ mixer navigation play \
+ resample riff tuner video \
+ xoverlay $(X_DIR)
-DIST_SUBDIRS = audio idct resample riff floatcast \
- gconf media-info mixer navigation \
- play video
+DIST_SUBDIRS = audio colorbalance floatcast \
+ gconf idct media-info \
+ mixer navigation play \
+ resample riff tuner video \
+ xoverlay xwindowlistener
--- /dev/null
+libgstinterfacesincludedir = \
+ $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/colorbalance
+
+libgstinterfacesinclude_HEADERS = \
+ colorbalance.h \
+ colorbalancechannel.h
+
+lib_LTLIBRARIES = libgstcolorbalance.la
+
+libgstcolorbalance_la_SOURCES = \
+ colorbalance.c \
+ colorbalancechannel.c
+libgstcolorbalance_la_LIBADD =
+libgstcolorbalance_la_CFLAGS = $(GST_CFLAGS) $(GST_OPT_CFLAGS)
+libgstcolorbalance_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * colorbalance.c: image color balance interface design
+ * virtual class function wrappers
+ *
+ * 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 "colorbalance.h"
+
+static void gst_color_balance_class_init (GstColorBalanceClass *klass);
+
+GType
+gst_color_balance_get_type (void)
+{
+ static GType gst_color_balance_type = 0;
+
+ if (!gst_color_balance_type) {
+ static const GTypeInfo gst_color_balance_info = {
+ sizeof (GstColorBalanceClass),
+ (GBaseInitFunc) gst_color_balance_class_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ gst_color_balance_type = g_type_register_static (G_TYPE_INTERFACE,
+ "GstColorBalance",
+ &gst_color_balance_info, 0);
+ g_type_interface_add_prerequisite (gst_color_balance_type,
+ GST_TYPE_INTERFACE);
+ }
+
+ return gst_color_balance_type;
+}
+
+static void
+gst_color_balance_class_init (GstColorBalanceClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = NULL;
+ klass->set_value = NULL;
+ klass->get_value = NULL;
+}
+
+const GList *
+gst_color_balance_list_channels (GstColorBalance *balance)
+{
+ GstColorBalanceClass *klass = GST_COLOR_BALANCE_GET_CLASS (balance);
+
+ if (klass->list_channels) {
+ return klass->list_channels (balance);
+ }
+
+ return NULL;
+}
+
+void
+gst_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value)
+{
+ GstColorBalanceClass *klass = GST_COLOR_BALANCE_GET_CLASS (balance);
+
+ if (klass->set_value) {
+ klass->set_value (balance, channel, value);
+ }
+}
+
+gint
+gst_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel)
+{
+ GstColorBalanceClass *klass = GST_COLOR_BALANCE_GET_CLASS (balance);
+
+ if (klass->get_value) {
+ return klass->get_value (balance, channel);
+ }
+
+ return channel->min_value;
+}
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * color-balance.h: image color balance interface design
+ *
+ * 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_COLOR_BALANCE_H__
+#define __GST_COLOR_BALANCE_H__
+
+#include <gst/gst.h>
+#include <gst/colorbalance/colorbalancechannel.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_COLOR_BALANCE \
+ (gst_color_balance_get_type ())
+#define GST_COLOR_BALANCE(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE, \
+ GstColorBalance))
+#define GST_COLOR_BALANCE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_COLOR_BALANCE, \
+ GstColorBalanceClass))
+#define GST_IS_COLOR_BALANCE(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE))
+#define GST_IS_COLOR_BALANCE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_COLOR_BALANCE))
+#define GST_COLOR_BALANCE_GET_CLASS(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_COLOR_BALANCE, GstColorBalanceClass))
+
+typedef struct _GstColorBalance GstColorBalance;
+
+typedef struct _GstColorBalanceClass {
+ GTypeInterface klass;
+
+ /* virtual functions */
+ const GList * (* list_channels) (GstColorBalance *balance);
+
+ void (* set_value) (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value);
+ gint (* get_value) (GstColorBalance *balance,
+ GstColorBalanceChannel *channel);
+} GstColorBalanceClass;
+
+GType gst_color_balance_get_type (void);
+
+/* virtual class function wrappers */
+const GList *
+ gst_color_balance_list_channels (GstColorBalance *balance);
+void gst_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value);
+gint gst_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel);
+
+G_END_DECLS
+
+#endif /* __GST_COLOR_BALANCE_H__ */
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * colorbalancechannel.c: colorbalance channel object design
+ *
+ * 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 "colorbalancechannel.h"
+
+enum {
+ /* FILL ME */
+ SIGNAL_VALUE_CHANGED,
+ LAST_SIGNAL
+};
+
+static void gst_color_balance_channel_class_init (GstColorBalanceChannelClass *klass);
+static void gst_color_balance_channel_init (GstColorBalanceChannel *balance);
+static void gst_color_balance_channel_dispose (GObject *object);
+
+static GObjectClass *parent_class = NULL;
+static guint signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_color_balance_channel_get_type (void)
+{
+ static GType gst_color_balance_channel_type = 0;
+
+ if (!gst_color_balance_channel_type) {
+ static const GTypeInfo color_balance_channel_info = {
+ sizeof (GstColorBalanceChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_color_balance_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstColorBalanceChannel),
+ 0,
+ (GInstanceInitFunc) gst_color_balance_channel_init,
+ NULL
+ };
+
+ gst_color_balance_channel_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "GstColorBalanceChannel",
+ &color_balance_channel_info, 0);
+ }
+
+ return gst_color_balance_channel_type;
+}
+
+static void
+gst_color_balance_channel_class_init (GstColorBalanceChannelClass *klass)
+{
+ GObjectClass *object_klass = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ signals[SIGNAL_VALUE_CHANGED] =
+ g_signal_new ("value_changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstColorBalanceChannelClass,
+ value_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE, 1, G_TYPE_INT);
+
+ object_klass->dispose = gst_color_balance_channel_dispose;
+}
+
+static void
+gst_color_balance_channel_init (GstColorBalanceChannel *channel)
+{
+ channel->label = NULL;
+ channel->min_value = channel->max_value = 0;
+}
+
+static void
+gst_color_balance_channel_dispose (GObject *object)
+{
+ GstColorBalanceChannel *channel = GST_COLOR_BALANCE_CHANNEL (object);
+
+ if (channel->label)
+ g_free (channel->label);
+
+ if (parent_class->dispose)
+ parent_class->dispose (object);
+}
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * colorbalancechannel.h: individual channel object
+ *
+ * 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_COLOR_BALANCE_CHANNEL_H__
+#define __GST_COLOR_BALANCE_CHANNEL_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_COLOR_BALANCE_CHANNEL \
+ (gst_color_balance_channel_get_type ())
+#define GST_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL, \
+ GstColorBalanceChannel))
+#define GST_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL, \
+ GstColorBalanceChannelClass))
+#define GST_IS_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL))
+#define GST_IS_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL))
+
+typedef struct _GstColorBalanceChannel {
+ GObject parent;
+
+ gchar *label;
+ gint min_value,
+ max_value;
+} GstColorBalanceChannel;
+
+typedef struct _GstColorBalanceChannelClass {
+ GObjectClass parent;
+
+ /* signals */
+ void (* value_changed) (GstColorBalanceChannel *channel,
+ gint value);
+} GstColorBalanceChannelClass;
+
+GType gst_color_balance_channel_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_COLOR_BALANCE_CHANNEL_H__ */
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * colorbalance.c: image color balance interface design
+ * virtual class function wrappers
+ *
+ * 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 "colorbalance.h"
+
+static void gst_color_balance_class_init (GstColorBalanceClass *klass);
+
+GType
+gst_color_balance_get_type (void)
+{
+ static GType gst_color_balance_type = 0;
+
+ if (!gst_color_balance_type) {
+ static const GTypeInfo gst_color_balance_info = {
+ sizeof (GstColorBalanceClass),
+ (GBaseInitFunc) gst_color_balance_class_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ gst_color_balance_type = g_type_register_static (G_TYPE_INTERFACE,
+ "GstColorBalance",
+ &gst_color_balance_info, 0);
+ g_type_interface_add_prerequisite (gst_color_balance_type,
+ GST_TYPE_INTERFACE);
+ }
+
+ return gst_color_balance_type;
+}
+
+static void
+gst_color_balance_class_init (GstColorBalanceClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = NULL;
+ klass->set_value = NULL;
+ klass->get_value = NULL;
+}
+
+const GList *
+gst_color_balance_list_channels (GstColorBalance *balance)
+{
+ GstColorBalanceClass *klass = GST_COLOR_BALANCE_GET_CLASS (balance);
+
+ if (klass->list_channels) {
+ return klass->list_channels (balance);
+ }
+
+ return NULL;
+}
+
+void
+gst_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value)
+{
+ GstColorBalanceClass *klass = GST_COLOR_BALANCE_GET_CLASS (balance);
+
+ if (klass->set_value) {
+ klass->set_value (balance, channel, value);
+ }
+}
+
+gint
+gst_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel)
+{
+ GstColorBalanceClass *klass = GST_COLOR_BALANCE_GET_CLASS (balance);
+
+ if (klass->get_value) {
+ return klass->get_value (balance, channel);
+ }
+
+ return channel->min_value;
+}
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * color-balance.h: image color balance interface design
+ *
+ * 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_COLOR_BALANCE_H__
+#define __GST_COLOR_BALANCE_H__
+
+#include <gst/gst.h>
+#include <gst/colorbalance/colorbalancechannel.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_COLOR_BALANCE \
+ (gst_color_balance_get_type ())
+#define GST_COLOR_BALANCE(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE, \
+ GstColorBalance))
+#define GST_COLOR_BALANCE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_COLOR_BALANCE, \
+ GstColorBalanceClass))
+#define GST_IS_COLOR_BALANCE(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE))
+#define GST_IS_COLOR_BALANCE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_COLOR_BALANCE))
+#define GST_COLOR_BALANCE_GET_CLASS(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_COLOR_BALANCE, GstColorBalanceClass))
+
+typedef struct _GstColorBalance GstColorBalance;
+
+typedef struct _GstColorBalanceClass {
+ GTypeInterface klass;
+
+ /* virtual functions */
+ const GList * (* list_channels) (GstColorBalance *balance);
+
+ void (* set_value) (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value);
+ gint (* get_value) (GstColorBalance *balance,
+ GstColorBalanceChannel *channel);
+} GstColorBalanceClass;
+
+GType gst_color_balance_get_type (void);
+
+/* virtual class function wrappers */
+const GList *
+ gst_color_balance_list_channels (GstColorBalance *balance);
+void gst_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value);
+gint gst_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel);
+
+G_END_DECLS
+
+#endif /* __GST_COLOR_BALANCE_H__ */
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * colorbalancechannel.c: colorbalance channel object design
+ *
+ * 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 "colorbalancechannel.h"
+
+enum {
+ /* FILL ME */
+ SIGNAL_VALUE_CHANGED,
+ LAST_SIGNAL
+};
+
+static void gst_color_balance_channel_class_init (GstColorBalanceChannelClass *klass);
+static void gst_color_balance_channel_init (GstColorBalanceChannel *balance);
+static void gst_color_balance_channel_dispose (GObject *object);
+
+static GObjectClass *parent_class = NULL;
+static guint signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_color_balance_channel_get_type (void)
+{
+ static GType gst_color_balance_channel_type = 0;
+
+ if (!gst_color_balance_channel_type) {
+ static const GTypeInfo color_balance_channel_info = {
+ sizeof (GstColorBalanceChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_color_balance_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstColorBalanceChannel),
+ 0,
+ (GInstanceInitFunc) gst_color_balance_channel_init,
+ NULL
+ };
+
+ gst_color_balance_channel_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "GstColorBalanceChannel",
+ &color_balance_channel_info, 0);
+ }
+
+ return gst_color_balance_channel_type;
+}
+
+static void
+gst_color_balance_channel_class_init (GstColorBalanceChannelClass *klass)
+{
+ GObjectClass *object_klass = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ signals[SIGNAL_VALUE_CHANGED] =
+ g_signal_new ("value_changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstColorBalanceChannelClass,
+ value_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE, 1, G_TYPE_INT);
+
+ object_klass->dispose = gst_color_balance_channel_dispose;
+}
+
+static void
+gst_color_balance_channel_init (GstColorBalanceChannel *channel)
+{
+ channel->label = NULL;
+ channel->min_value = channel->max_value = 0;
+}
+
+static void
+gst_color_balance_channel_dispose (GObject *object)
+{
+ GstColorBalanceChannel *channel = GST_COLOR_BALANCE_CHANNEL (object);
+
+ if (channel->label)
+ g_free (channel->label);
+
+ if (parent_class->dispose)
+ parent_class->dispose (object);
+}
--- /dev/null
+/* GStreamer Color Balance
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * colorbalancechannel.h: individual channel object
+ *
+ * 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_COLOR_BALANCE_CHANNEL_H__
+#define __GST_COLOR_BALANCE_CHANNEL_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_COLOR_BALANCE_CHANNEL \
+ (gst_color_balance_channel_get_type ())
+#define GST_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL, \
+ GstColorBalanceChannel))
+#define GST_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL, \
+ GstColorBalanceChannelClass))
+#define GST_IS_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE_CHANNEL))
+#define GST_IS_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_COLOR_BALANCE_CHANNEL))
+
+typedef struct _GstColorBalanceChannel {
+ GObject parent;
+
+ gchar *label;
+ gint min_value,
+ max_value;
+} GstColorBalanceChannel;
+
+typedef struct _GstColorBalanceChannelClass {
+ GObjectClass parent;
+
+ /* signals */
+ void (* value_changed) (GstColorBalanceChannel *channel,
+ gint value);
+} GstColorBalanceChannelClass;
+
+GType gst_color_balance_channel_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_COLOR_BALANCE_CHANNEL_H__ */
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tuner.c: tuner design virtual class function wrappers
+ *
+ * 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 "tuner.h"
+
+static void gst_tuner_class_init (GstTunerClass *klass);
+
+GType
+gst_tuner_get_type (void)
+{
+ static GType gst_tuner_type = 0;
+
+ if (!gst_tuner_type) {
+ static const GTypeInfo gst_tuner_info = {
+ sizeof (GstTunerClass),
+ (GBaseInitFunc) gst_tuner_class_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ gst_tuner_type = g_type_register_static (G_TYPE_INTERFACE,
+ "GstTuner",
+ &gst_tuner_info, 0);
+ g_type_interface_add_prerequisite (gst_tuner_type,
+ GST_TYPE_INTERFACE);
+ }
+
+ return gst_tuner_type;
+}
+
+static void
+gst_tuner_class_init (GstTunerClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = NULL;
+ klass->set_channel = NULL;
+ klass->get_channel = NULL;
+
+ klass->list_norms = NULL;
+ klass->set_norm = NULL;
+ klass->get_norm = NULL;
+
+ klass->set_frequency = NULL;
+ klass->get_frequency = NULL;
+ klass->signal_strength = NULL;
+}
+
+const GList *
+gst_tuner_list_channels (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->list_channels) {
+ return klass->list_channels (tuner);
+ }
+
+ return NULL;
+}
+
+void
+gst_tuner_set_channel (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->set_channel) {
+ klass->set_channel (tuner, channel);
+ }
+}
+
+const GstTunerChannel *
+gst_tuner_get_channel (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->get_channel) {
+ return klass->get_channel (tuner);
+ }
+
+ return NULL;
+}
+
+const GList *
+gst_tuner_list_norms (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->list_norms) {
+ return klass->list_norms (tuner);
+ }
+
+ return NULL;
+}
+
+void
+gst_tuner_set_norm (GstTuner *tuner,
+ GstTunerNorm *norm)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->set_norm) {
+ klass->set_norm (tuner, norm);
+ }
+}
+
+const GstTunerNorm *
+gst_tuner_get_norm (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->get_norm) {
+ return klass->get_norm (tuner);
+ }
+
+ return NULL;
+}
+
+void
+gst_tuner_set_frequency (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY));
+
+ if (klass->set_frequency) {
+ klass->set_frequency (tuner, channel, frequency);
+ }
+}
+
+gulong
+gst_tuner_get_frequency (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+
+ if (klass->get_frequency) {
+ return klass->get_frequency (tuner, channel);
+ }
+
+ return 0;
+}
+
+gint
+gst_tuner_signal_strength (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+
+ if (klass->signal_strength) {
+ return klass->signal_strength (tuner, channel);
+ }
+
+ return 0;
+}
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tuner.h: tuner interface design
+ *
+ * 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_TUNER_H__
+#define __GST_TUNER_H__
+
+#include <gst/gst.h>
+#include <gst/tuner/tunernorm.h>
+#include <gst/tuner/tunerchannel.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TUNER \
+ (gst_tuner_get_type ())
+#define GST_TUNER(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER, GstTuner))
+#define GST_TUNER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER, GstTunerClass))
+#define GST_IS_TUNER(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER))
+#define GST_IS_TUNER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER))
+#define GST_TUNER_GET_CLASS(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_TUNER, GstTunerClass))
+
+typedef struct _GstTuner GstTuner;
+
+typedef struct _GstTunerClass {
+ GTypeInterface klass;
+
+ /* virtual functions */
+ const GList * (* list_channels) (GstTuner *tuner);
+ void (* set_channel) (GstTuner *tuner,
+ GstTunerChannel *channel);
+ const GstTunerChannel *
+ (* get_channel) (GstTuner *tuner);
+
+ const GList * (* list_norms) (GstTuner *tuner);
+ void (* set_norm) (GstTuner *tuner,
+ GstTunerNorm *norm);
+ const GstTunerNorm *
+ (* get_norm) (GstTuner *tuner);
+
+ void (* set_frequency) (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency);
+ gulong (* get_frequency) (GstTuner *tuner,
+ GstTunerChannel *channel);
+ gint (* signal_strength) (GstTuner *tuner,
+ GstTunerChannel *channel);
+} GstTunerClass;
+
+GType gst_tuner_get_type (void);
+
+/* virtual class function wrappers */
+const GList * gst_tuner_list_channels (GstTuner *tuner);
+void gst_tuner_set_channel (GstTuner *tuner,
+ GstTunerChannel *channel);
+const GstTunerChannel *
+ gst_tuner_get_channel (GstTuner *tuner);
+
+const GList * gst_tuner_list_norms (GstTuner *tuner);
+void gst_tuner_set_norm (GstTuner *tuner,
+ GstTunerNorm *channel);
+const GstTunerNorm *
+ gst_tuner_get_norm (GstTuner *tuner);
+
+void gst_tuner_set_frequency (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency);
+gulong gst_tuner_get_frequency (GstTuner *tuner,
+ GstTunerChannel *channel);
+gint gst_tuner_signal_strength (GstTuner *tuner,
+ GstTunerChannel *channel);
+
+G_END_DECLS
+
+#endif /* __GST_TUNER_H__ */
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunerchannel.c: tuner channel object design
+ *
+ * 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 "tunerchannel.h"
+
+enum {
+ /* FILL ME */
+ SIGNAL_FREQUENCY_CHANGED,
+ SIGNAL_SIGNAL_CHANGED,
+ LAST_SIGNAL
+};
+
+static void gst_tuner_channel_class_init (GstTunerChannelClass *klass);
+static void gst_tuner_channel_init (GstTunerChannel *channel);
+static void gst_tuner_channel_dispose (GObject *object);
+
+static GObjectClass *parent_class = NULL;
+static guint signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_tuner_channel_get_type (void)
+{
+ static GType gst_tuner_channel_type = 0;
+
+ if (!gst_tuner_channel_type) {
+ static const GTypeInfo tuner_channel_info = {
+ sizeof (GstTunerChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_tuner_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstTunerChannel),
+ 0,
+ (GInstanceInitFunc) gst_tuner_channel_init,
+ NULL
+ };
+
+ gst_tuner_channel_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "GstTunerChannel",
+ &tuner_channel_info, 0);
+ }
+
+ return gst_tuner_channel_type;
+}
+
+static void
+gst_tuner_channel_class_init (GstTunerChannelClass *klass)
+{
+ GObjectClass *object_klass = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ signals[SIGNAL_FREQUENCY_CHANGED] =
+ g_signal_new ("frequency_changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstTunerChannelClass,
+ frequency_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__ULONG,
+ G_TYPE_NONE, 1, G_TYPE_ULONG);
+ signals[SIGNAL_SIGNAL_CHANGED] =
+ g_signal_new ("signal_changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstTunerChannelClass,
+ signal_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE, 1, G_TYPE_INT);
+
+ object_klass->dispose = gst_tuner_channel_dispose;
+}
+
+static void
+gst_tuner_channel_init (GstTunerChannel *channel)
+{
+ channel->label = NULL;
+ channel->flags = 0;
+ channel->min_frequency = channel->max_frequency = 0;
+ channel->min_signal = channel->max_signal = 0;
+}
+
+static void
+gst_tuner_channel_dispose (GObject *object)
+{
+ GstTunerChannel *channel = GST_TUNER_CHANNEL (object);
+
+ if (channel->label)
+ g_free (channel->label);
+
+ if (parent_class->dispose)
+ parent_class->dispose (object);
+}
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunerchannel.h: tuner channel object design
+ *
+ * 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_TUNER_CHANNEL_H__
+#define __GST_TUNER_CHANNEL_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TUNER_CHANNEL \
+ (gst_tuner_channel_get_type ())
+#define GST_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER_CHANNEL, \
+ GstTunerChannel))
+#define GST_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER_CHANNEL, \
+ GstTunerChannelClass))
+#define GST_IS_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER_CHANNEL))
+#define GST_IS_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER_CHANNEL))
+
+typedef enum {
+ GST_TUNER_CHANNEL_INPUT = (1<<0),
+ GST_TUNER_CHANNEL_OUTPUT = (1<<1),
+ GST_TUNER_CHANNEL_FREQUENCY = (1<<2),
+ GST_TUNER_CHANNEL_AUDIO = (1<<3),
+} GstTunerChannelFlags;
+
+#define GST_TUNER_CHANNEL_HAS_FLAG(channel, flag) \
+ ((channel)->flags & flag)
+
+typedef struct _GstTunerChannel {
+ GObject parent;
+
+ gchar *label;
+ GstTunerChannelFlags flags;
+ gulong min_frequency,
+ max_frequency;
+ gint min_signal,
+ max_signal;
+} GstTunerChannel;
+
+typedef struct _GstTunerChannelClass {
+ GObjectClass parent;
+
+ /* signals */
+ void (*frequency_changed) (GstTunerChannel *tuner,
+ gulong frequency);
+ void (*signal_changed) (GstTunerChannel *tuner,
+ gint signal);
+} GstTunerChannelClass;
+
+GType gst_tuner_channel_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_TUNER_CHANNEL_H__ */
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunernorm.c: tuner norm object design
+ *
+ * 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 "tunernorm.h"
+
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+static void gst_tuner_norm_class_init (GstTunerNormClass *klass);
+static void gst_tuner_norm_init (GstTunerNorm *norm);
+static void gst_tuner_norm_dispose (GObject *object);
+
+static GObjectClass *parent_class = NULL;
+/*static guint signals[LAST_SIGNAL] = { 0 };*/
+
+GType
+gst_tuner_norm_get_type (void)
+{
+ static GType gst_tuner_norm_type = 0;
+
+ if (!gst_tuner_norm_type) {
+ static const GTypeInfo tuner_norm_info = {
+ sizeof (GstTunerNormClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_tuner_norm_class_init,
+ NULL,
+ NULL,
+ sizeof (GstTunerNorm),
+ 0,
+ (GInstanceInitFunc) gst_tuner_norm_init,
+ NULL
+ };
+
+ gst_tuner_norm_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "GstTunerNorm",
+ &tuner_norm_info, 0);
+ }
+
+ return gst_tuner_norm_type;
+}
+
+static void
+gst_tuner_norm_class_init (GstTunerNormClass *klass)
+{
+ GObjectClass *object_klass = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ object_klass->dispose = gst_tuner_norm_dispose;
+}
+
+static void
+gst_tuner_norm_init (GstTunerNorm *norm)
+{
+ norm->label = NULL;
+ norm->fps = 0.;
+}
+
+static void
+gst_tuner_norm_dispose (GObject *object)
+{
+ GstTunerNorm *norm = GST_TUNER_NORM (object);
+
+ if (norm->label)
+ g_free (norm->label);
+
+ if (parent_class->dispose)
+ parent_class->dispose (object);
+}
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunernorm.h: tuner norm object design
+ *
+ * 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_TUNER_NORM_H__
+#define __GST_TUNER_NORM_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TUNER_NORM \
+ (gst_tuner_norm_get_type ())
+#define GST_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER_NORM, GstTunerNorm))
+#define GST_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER_NORM, GstTunerNormClass))
+#define GST_IS_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER_NORM))
+#define GST_IS_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER_NORM))
+
+typedef struct _GstTunerNorm {
+ GObject parent;
+
+ gchar *label;
+ gfloat fps;
+} GstTunerNorm;
+
+typedef struct _GstTunerNormClass {
+ GObjectClass parent;
+} GstTunerNormClass;
+
+GType gst_tuner_norm_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_TUNER_NORM_H__ */
--- /dev/null
+/* GStreamer X-based Overlay
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tv-mixer.c: tv-mixer design virtual class function wrappers
+ *
+ * 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 "xoverlay.h"
+
+static void gst_x_overlay_class_init (GstXOverlayClass *klass);
+
+GType
+gst_x_overlay_get_type (void)
+{
+ static GType gst_x_overlay_type = 0;
+
+ if (!gst_x_overlay_type) {
+ static const GTypeInfo gst_x_overlay_info = {
+ sizeof (GstXOverlayClass),
+ (GBaseInitFunc) gst_x_overlay_class_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ gst_x_overlay_type = g_type_register_static (G_TYPE_INTERFACE,
+ "GstXOverlay",
+ &gst_x_overlay_info, 0);
+ g_type_interface_add_prerequisite (gst_x_overlay_type,
+ GST_TYPE_INTERFACE);
+ }
+
+ return gst_x_overlay_type;
+}
+
+static void
+gst_x_overlay_class_init (GstXOverlayClass *klass)
+{
+ /* default virtual functions */
+ klass->set_xwindow_id = NULL;
+}
+
+void
+gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id)
+{
+ GstXOverlayClass *klass = GST_X_OVERLAY_GET_CLASS (overlay);
+
+ if (klass->set_xwindow_id) {
+ klass->set_xwindow_id (overlay, xwindow_id);
+ }
+}
--- /dev/null
+/* GStreamer X-based Overlay
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * x-overlay.h: X-based overlay interface design
+ *
+ * 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_X_OVERLAY_H__
+#define __GST_X_OVERLAY_H__
+
+#include <gst/gst.h>
+#include <X11/Xlib.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_X_OVERLAY \
+ (gst_x_overlay_get_type ())
+#define GST_X_OVERLAY(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_X_OVERLAY, GstXOverlay))
+#define GST_X_OVERLAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_X_OVERLAY, GstXOverlayClass))
+#define GST_IS_X_OVERLAY(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_X_OVERLAY))
+#define GST_IS_X_OVERLAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_X_OVERLAY))
+#define GST_X_OVERLAY_GET_CLASS(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_X_OVERLAY, GstXOverlayClass))
+
+typedef struct _GstXOverlay GstXOverlay;
+
+typedef struct _GstXOverlayClass {
+ GTypeInterface klass;
+
+ /* virtual functions */
+ void (* set_xwindow_id) (GstXOverlay *overlay,
+ XID xwindow_id);
+} GstXOverlayClass;
+
+GType gst_x_overlay_get_type (void);
+
+/* virtual class function wrappers */
+void gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id);
+
+G_END_DECLS
+
+#endif /* __GST_X_OVERLAY_H__ */
--- /dev/null
+libgstinterfacesincludedir = \
+ $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/tuner
+
+libgstinterfacesinclude_HEADERS = \
+ tuner.h \
+ tunernorm.h \
+ tunerchannel.h
+
+lib_LTLIBRARIES = libgsttuner.la
+
+libgsttuner_la_SOURCES = \
+ tuner.c \
+ tunernorm.c \
+ tunerchannel.c
+libgsttuner_la_LIBADD =
+libgsttuner_la_CFLAGS = $(GST_CFLAGS) $(GST_OPT_CFLAGS)
+libgsttuner_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tuner.c: tuner design virtual class function wrappers
+ *
+ * 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 "tuner.h"
+
+static void gst_tuner_class_init (GstTunerClass *klass);
+
+GType
+gst_tuner_get_type (void)
+{
+ static GType gst_tuner_type = 0;
+
+ if (!gst_tuner_type) {
+ static const GTypeInfo gst_tuner_info = {
+ sizeof (GstTunerClass),
+ (GBaseInitFunc) gst_tuner_class_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ gst_tuner_type = g_type_register_static (G_TYPE_INTERFACE,
+ "GstTuner",
+ &gst_tuner_info, 0);
+ g_type_interface_add_prerequisite (gst_tuner_type,
+ GST_TYPE_INTERFACE);
+ }
+
+ return gst_tuner_type;
+}
+
+static void
+gst_tuner_class_init (GstTunerClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = NULL;
+ klass->set_channel = NULL;
+ klass->get_channel = NULL;
+
+ klass->list_norms = NULL;
+ klass->set_norm = NULL;
+ klass->get_norm = NULL;
+
+ klass->set_frequency = NULL;
+ klass->get_frequency = NULL;
+ klass->signal_strength = NULL;
+}
+
+const GList *
+gst_tuner_list_channels (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->list_channels) {
+ return klass->list_channels (tuner);
+ }
+
+ return NULL;
+}
+
+void
+gst_tuner_set_channel (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->set_channel) {
+ klass->set_channel (tuner, channel);
+ }
+}
+
+const GstTunerChannel *
+gst_tuner_get_channel (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->get_channel) {
+ return klass->get_channel (tuner);
+ }
+
+ return NULL;
+}
+
+const GList *
+gst_tuner_list_norms (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->list_norms) {
+ return klass->list_norms (tuner);
+ }
+
+ return NULL;
+}
+
+void
+gst_tuner_set_norm (GstTuner *tuner,
+ GstTunerNorm *norm)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->set_norm) {
+ klass->set_norm (tuner, norm);
+ }
+}
+
+const GstTunerNorm *
+gst_tuner_get_norm (GstTuner *tuner)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ if (klass->get_norm) {
+ return klass->get_norm (tuner);
+ }
+
+ return NULL;
+}
+
+void
+gst_tuner_set_frequency (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY));
+
+ if (klass->set_frequency) {
+ klass->set_frequency (tuner, channel, frequency);
+ }
+}
+
+gulong
+gst_tuner_get_frequency (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+
+ if (klass->get_frequency) {
+ return klass->get_frequency (tuner, channel);
+ }
+
+ return 0;
+}
+
+gint
+gst_tuner_signal_strength (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
+
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+
+ if (klass->signal_strength) {
+ return klass->signal_strength (tuner, channel);
+ }
+
+ return 0;
+}
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tuner.h: tuner interface design
+ *
+ * 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_TUNER_H__
+#define __GST_TUNER_H__
+
+#include <gst/gst.h>
+#include <gst/tuner/tunernorm.h>
+#include <gst/tuner/tunerchannel.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TUNER \
+ (gst_tuner_get_type ())
+#define GST_TUNER(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER, GstTuner))
+#define GST_TUNER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER, GstTunerClass))
+#define GST_IS_TUNER(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER))
+#define GST_IS_TUNER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER))
+#define GST_TUNER_GET_CLASS(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_TUNER, GstTunerClass))
+
+typedef struct _GstTuner GstTuner;
+
+typedef struct _GstTunerClass {
+ GTypeInterface klass;
+
+ /* virtual functions */
+ const GList * (* list_channels) (GstTuner *tuner);
+ void (* set_channel) (GstTuner *tuner,
+ GstTunerChannel *channel);
+ const GstTunerChannel *
+ (* get_channel) (GstTuner *tuner);
+
+ const GList * (* list_norms) (GstTuner *tuner);
+ void (* set_norm) (GstTuner *tuner,
+ GstTunerNorm *norm);
+ const GstTunerNorm *
+ (* get_norm) (GstTuner *tuner);
+
+ void (* set_frequency) (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency);
+ gulong (* get_frequency) (GstTuner *tuner,
+ GstTunerChannel *channel);
+ gint (* signal_strength) (GstTuner *tuner,
+ GstTunerChannel *channel);
+} GstTunerClass;
+
+GType gst_tuner_get_type (void);
+
+/* virtual class function wrappers */
+const GList * gst_tuner_list_channels (GstTuner *tuner);
+void gst_tuner_set_channel (GstTuner *tuner,
+ GstTunerChannel *channel);
+const GstTunerChannel *
+ gst_tuner_get_channel (GstTuner *tuner);
+
+const GList * gst_tuner_list_norms (GstTuner *tuner);
+void gst_tuner_set_norm (GstTuner *tuner,
+ GstTunerNorm *channel);
+const GstTunerNorm *
+ gst_tuner_get_norm (GstTuner *tuner);
+
+void gst_tuner_set_frequency (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency);
+gulong gst_tuner_get_frequency (GstTuner *tuner,
+ GstTunerChannel *channel);
+gint gst_tuner_signal_strength (GstTuner *tuner,
+ GstTunerChannel *channel);
+
+G_END_DECLS
+
+#endif /* __GST_TUNER_H__ */
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunerchannel.c: tuner channel object design
+ *
+ * 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 "tunerchannel.h"
+
+enum {
+ /* FILL ME */
+ SIGNAL_FREQUENCY_CHANGED,
+ SIGNAL_SIGNAL_CHANGED,
+ LAST_SIGNAL
+};
+
+static void gst_tuner_channel_class_init (GstTunerChannelClass *klass);
+static void gst_tuner_channel_init (GstTunerChannel *channel);
+static void gst_tuner_channel_dispose (GObject *object);
+
+static GObjectClass *parent_class = NULL;
+static guint signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_tuner_channel_get_type (void)
+{
+ static GType gst_tuner_channel_type = 0;
+
+ if (!gst_tuner_channel_type) {
+ static const GTypeInfo tuner_channel_info = {
+ sizeof (GstTunerChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_tuner_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstTunerChannel),
+ 0,
+ (GInstanceInitFunc) gst_tuner_channel_init,
+ NULL
+ };
+
+ gst_tuner_channel_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "GstTunerChannel",
+ &tuner_channel_info, 0);
+ }
+
+ return gst_tuner_channel_type;
+}
+
+static void
+gst_tuner_channel_class_init (GstTunerChannelClass *klass)
+{
+ GObjectClass *object_klass = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ signals[SIGNAL_FREQUENCY_CHANGED] =
+ g_signal_new ("frequency_changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstTunerChannelClass,
+ frequency_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__ULONG,
+ G_TYPE_NONE, 1, G_TYPE_ULONG);
+ signals[SIGNAL_SIGNAL_CHANGED] =
+ g_signal_new ("signal_changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstTunerChannelClass,
+ signal_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE, 1, G_TYPE_INT);
+
+ object_klass->dispose = gst_tuner_channel_dispose;
+}
+
+static void
+gst_tuner_channel_init (GstTunerChannel *channel)
+{
+ channel->label = NULL;
+ channel->flags = 0;
+ channel->min_frequency = channel->max_frequency = 0;
+ channel->min_signal = channel->max_signal = 0;
+}
+
+static void
+gst_tuner_channel_dispose (GObject *object)
+{
+ GstTunerChannel *channel = GST_TUNER_CHANNEL (object);
+
+ if (channel->label)
+ g_free (channel->label);
+
+ if (parent_class->dispose)
+ parent_class->dispose (object);
+}
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunerchannel.h: tuner channel object design
+ *
+ * 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_TUNER_CHANNEL_H__
+#define __GST_TUNER_CHANNEL_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TUNER_CHANNEL \
+ (gst_tuner_channel_get_type ())
+#define GST_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER_CHANNEL, \
+ GstTunerChannel))
+#define GST_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER_CHANNEL, \
+ GstTunerChannelClass))
+#define GST_IS_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER_CHANNEL))
+#define GST_IS_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER_CHANNEL))
+
+typedef enum {
+ GST_TUNER_CHANNEL_INPUT = (1<<0),
+ GST_TUNER_CHANNEL_OUTPUT = (1<<1),
+ GST_TUNER_CHANNEL_FREQUENCY = (1<<2),
+ GST_TUNER_CHANNEL_AUDIO = (1<<3),
+} GstTunerChannelFlags;
+
+#define GST_TUNER_CHANNEL_HAS_FLAG(channel, flag) \
+ ((channel)->flags & flag)
+
+typedef struct _GstTunerChannel {
+ GObject parent;
+
+ gchar *label;
+ GstTunerChannelFlags flags;
+ gulong min_frequency,
+ max_frequency;
+ gint min_signal,
+ max_signal;
+} GstTunerChannel;
+
+typedef struct _GstTunerChannelClass {
+ GObjectClass parent;
+
+ /* signals */
+ void (*frequency_changed) (GstTunerChannel *tuner,
+ gulong frequency);
+ void (*signal_changed) (GstTunerChannel *tuner,
+ gint signal);
+} GstTunerChannelClass;
+
+GType gst_tuner_channel_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_TUNER_CHANNEL_H__ */
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunernorm.c: tuner norm object design
+ *
+ * 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 "tunernorm.h"
+
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+static void gst_tuner_norm_class_init (GstTunerNormClass *klass);
+static void gst_tuner_norm_init (GstTunerNorm *norm);
+static void gst_tuner_norm_dispose (GObject *object);
+
+static GObjectClass *parent_class = NULL;
+/*static guint signals[LAST_SIGNAL] = { 0 };*/
+
+GType
+gst_tuner_norm_get_type (void)
+{
+ static GType gst_tuner_norm_type = 0;
+
+ if (!gst_tuner_norm_type) {
+ static const GTypeInfo tuner_norm_info = {
+ sizeof (GstTunerNormClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_tuner_norm_class_init,
+ NULL,
+ NULL,
+ sizeof (GstTunerNorm),
+ 0,
+ (GInstanceInitFunc) gst_tuner_norm_init,
+ NULL
+ };
+
+ gst_tuner_norm_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "GstTunerNorm",
+ &tuner_norm_info, 0);
+ }
+
+ return gst_tuner_norm_type;
+}
+
+static void
+gst_tuner_norm_class_init (GstTunerNormClass *klass)
+{
+ GObjectClass *object_klass = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ object_klass->dispose = gst_tuner_norm_dispose;
+}
+
+static void
+gst_tuner_norm_init (GstTunerNorm *norm)
+{
+ norm->label = NULL;
+ norm->fps = 0.;
+}
+
+static void
+gst_tuner_norm_dispose (GObject *object)
+{
+ GstTunerNorm *norm = GST_TUNER_NORM (object);
+
+ if (norm->label)
+ g_free (norm->label);
+
+ if (parent_class->dispose)
+ parent_class->dispose (object);
+}
--- /dev/null
+/* GStreamer Tuner
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tunernorm.h: tuner norm object design
+ *
+ * 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_TUNER_NORM_H__
+#define __GST_TUNER_NORM_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TUNER_NORM \
+ (gst_tuner_norm_get_type ())
+#define GST_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER_NORM, GstTunerNorm))
+#define GST_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER_NORM, GstTunerNormClass))
+#define GST_IS_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER_NORM))
+#define GST_IS_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER_NORM))
+
+typedef struct _GstTunerNorm {
+ GObject parent;
+
+ gchar *label;
+ gfloat fps;
+} GstTunerNorm;
+
+typedef struct _GstTunerNormClass {
+ GObjectClass parent;
+} GstTunerNormClass;
+
+GType gst_tuner_norm_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_TUNER_NORM_H__ */
--- /dev/null
+libgstinterfacesincludedir = \
+ $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/xoverlay
+
+libgstinterfacesinclude_HEADERS = xoverlay.h
+
+lib_LTLIBRARIES = libgstxoverlay.la
+
+libgstxoverlay_la_SOURCES = xoverlay.c
+libgstxoverlay_la_LIBADD =
+libgstxoverlay_la_CFLAGS = $(GST_CFLAGS) $(GST_OPT_CFLAGS)
+libgstxoverlay_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
--- /dev/null
+/* GStreamer X-based Overlay
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * tv-mixer.c: tv-mixer design virtual class function wrappers
+ *
+ * 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 "xoverlay.h"
+
+static void gst_x_overlay_class_init (GstXOverlayClass *klass);
+
+GType
+gst_x_overlay_get_type (void)
+{
+ static GType gst_x_overlay_type = 0;
+
+ if (!gst_x_overlay_type) {
+ static const GTypeInfo gst_x_overlay_info = {
+ sizeof (GstXOverlayClass),
+ (GBaseInitFunc) gst_x_overlay_class_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ gst_x_overlay_type = g_type_register_static (G_TYPE_INTERFACE,
+ "GstXOverlay",
+ &gst_x_overlay_info, 0);
+ g_type_interface_add_prerequisite (gst_x_overlay_type,
+ GST_TYPE_INTERFACE);
+ }
+
+ return gst_x_overlay_type;
+}
+
+static void
+gst_x_overlay_class_init (GstXOverlayClass *klass)
+{
+ /* default virtual functions */
+ klass->set_xwindow_id = NULL;
+}
+
+void
+gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id)
+{
+ GstXOverlayClass *klass = GST_X_OVERLAY_GET_CLASS (overlay);
+
+ if (klass->set_xwindow_id) {
+ klass->set_xwindow_id (overlay, xwindow_id);
+ }
+}
--- /dev/null
+/* GStreamer X-based Overlay
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * x-overlay.h: X-based overlay interface design
+ *
+ * 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_X_OVERLAY_H__
+#define __GST_X_OVERLAY_H__
+
+#include <gst/gst.h>
+#include <X11/Xlib.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_X_OVERLAY \
+ (gst_x_overlay_get_type ())
+#define GST_X_OVERLAY(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_X_OVERLAY, GstXOverlay))
+#define GST_X_OVERLAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_X_OVERLAY, GstXOverlayClass))
+#define GST_IS_X_OVERLAY(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_X_OVERLAY))
+#define GST_IS_X_OVERLAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_X_OVERLAY))
+#define GST_X_OVERLAY_GET_CLASS(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_X_OVERLAY, GstXOverlayClass))
+
+typedef struct _GstXOverlay GstXOverlay;
+
+typedef struct _GstXOverlayClass {
+ GTypeInterface klass;
+
+ /* virtual functions */
+ void (* set_xwindow_id) (GstXOverlay *overlay,
+ XID xwindow_id);
+} GstXOverlayClass;
+
+GType gst_x_overlay_get_type (void);
+
+/* virtual class function wrappers */
+void gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id);
+
+G_END_DECLS
+
+#endif /* __GST_X_OVERLAY_H__ */
--- /dev/null
+librarydir = $(libdir)/gstreamer-@GST_MAJORMINOR@
+
+library_LTLIBRARIES = libgstxwindowlistener.la
+
+libgstxwindowlistener_la_SOURCES = xwindowlistener.c
+
+libraryincludedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/xwindowlistener
+libraryinclude_HEADERS = xwindowlistener.h
+
+libgstxwindowlistener_la_CFLAGS = $(GST_CFLAGS) $(X_CFLAGS)
+libgstxwindowlistener_la_LIBADD = $(GST_LIBS) $(GST_PLUGIN_LIBS) $(X_LIBS)
--- /dev/null
+/* G-Streamer X11 Window event/motion listener
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * xwindowlistener.c: implementation of the object
+ *
+ * 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 "xwindowlistener.h"
+
+#define NUM_CLIPS 1024
+
+static void gst_x_window_listener_class_init (GstXWindowListenerClass *klass);
+static void gst_x_window_listener_init (GstXWindowListener *xwin);
+static void gst_x_window_listener_dispose (GObject *object);
+
+static void gst_xwin_start (GstXWindowListener *xwin);
+static void gst_xwin_stop (GstXWindowListener *xwin);
+
+static GObjectClass *parent_class = NULL;
+
+GType
+gst_x_window_listener_get_type (void)
+{
+ static GType x_window_listener_type = 0;
+
+ if (!x_window_listener_type) {
+ static const GTypeInfo x_window_listener_info = {
+ sizeof (GstXWindowListenerClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_x_window_listener_class_init,
+ NULL,
+ NULL,
+ sizeof (GstXWindowListener),
+ 0,
+ (GInstanceInitFunc) gst_x_window_listener_init,
+ NULL
+ };
+
+ x_window_listener_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "GstXWindowListener",
+ &x_window_listener_info, 0);
+ }
+
+ return x_window_listener_type;
+}
+
+static void
+gst_x_window_listener_class_init (GstXWindowListenerClass *klass)
+{
+ GObjectClass *object_klass = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ object_klass->dispose = gst_x_window_listener_dispose;
+}
+
+static void
+gst_x_window_listener_init (GstXWindowListener *xwin)
+{
+ xwin->xwindow_id = 0;
+ xwin->display_name = NULL;
+
+ xwin->map_window_func = NULL;
+ xwin->set_window_func = NULL;
+
+ xwin->thread = NULL;
+}
+
+static void
+gst_x_window_listener_dispose (GObject *object)
+{
+ GstXWindowListener *xwin = GST_X_WINDOW_LISTENER (object);
+
+ /* stop overlay */
+ gst_x_window_listener_set_xid (xwin, 0);
+
+ if (xwin->display_name) {
+ g_free (xwin->display_name);
+ }
+
+ if (parent_class->dispose) {
+ parent_class->dispose (object);
+ }
+}
+
+GstXWindowListener *
+gst_x_window_listener_new (gchar *display,
+ MapWindowFunc map_window_func,
+ SetWindowFunc set_window_func,
+ gpointer private_data)
+{
+ GstXWindowListener *xwin =
+ g_object_new (GST_TYPE_X_WINDOW_LISTENER, NULL);
+
+ xwin->display_name = g_strdup (display);
+ xwin->map_window_func = map_window_func;
+ xwin->set_window_func = set_window_func;
+ xwin->private_data = private_data;
+
+ return xwin;
+}
+
+void
+gst_x_window_listener_set_xid (GstXWindowListener *xwin,
+ XID id)
+{
+ g_return_if_fail (xwin != NULL);
+
+ if (id == xwin->xwindow_id) {
+ return;
+ }
+
+ if (xwin->xwindow_id && xwin->thread) {
+ gst_xwin_stop (xwin);
+ }
+
+ xwin->xwindow_id = id;
+
+ if (xwin->xwindow_id &&
+ xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ g_return_if_fail (xwin->map_window_func != NULL);
+ g_return_if_fail (xwin->set_window_func != NULL);
+
+ gst_xwin_start (xwin);
+ }
+}
+
+/*
+ * The following code works as follows:
+ * - the "client" (the one who uses this object) sets an XID
+ * - we add a child XWindow to this XID, and follow motion/events
+ * - after each event, we determine the position, size and clips
+ * - next, we call the per-instance virtual functions set by the client
+ * - and we do all this in an endless cycle
+ *
+ * Unfortunately, part of this code is inspired by XawTV, so the
+ * runtime license for this code as a whole will be GPL unless
+ * someone can rewrite this or ask permission to the original
+ * author (Gerd Knorr <kraxel@bytesex.org>) to let us re-license
+ * this piece of code to LGPL.
+ */
+
+#define DEBUG(format, args...) \
+ GST_DEBUG ("XWL: " format, ##args)
+
+static void
+gst_xwin_set_overlay (GstXWindowListener *xwin,
+ gboolean on)
+{
+ xwin->map_window_func (xwin->private_data, on);
+
+ /* remember me */
+ xwin->ov_visible = on;
+}
+
+static gboolean
+gst_xwin_refresh (gpointer data)
+{
+ GstXWindowListener *xwin = GST_X_WINDOW_LISTENER (data);
+ Window win, tmp;
+ XSetWindowAttributes xswa;
+ XWindowAttributes attr;
+
+ g_mutex_lock (xwin->main_lock);
+
+ win = DefaultRootWindow (xwin->main_display);
+ XGetWindowAttributes (xwin->main_display, win, &attr);
+
+ xwin->ov_refresh_id = 0;
+
+ if (!xwin->ov_move && xwin->ov_map &&
+ xwin->ov_visibility == VisibilityUnobscured) {
+ g_mutex_unlock (xwin->main_lock);
+ return FALSE; /* skip */
+ }
+
+ if (xwin->ov_map &&
+ xwin->ov_visibility != VisibilityFullyObscured) {
+ xwin->ov_refresh = TRUE;
+ }
+
+ xswa.override_redirect = True;
+ xswa.backing_store = NotUseful;
+ xswa.save_under = False;
+ tmp = XCreateWindow (xwin->main_display,win, 0, 0,
+ attr.width, attr.height, 0,
+ CopyFromParent, InputOutput, CopyFromParent,
+ (CWSaveUnder | CWBackingStore| CWOverrideRedirect ),
+ &xswa);
+ XMapWindow (xwin->main_display, tmp);
+ XUnmapWindow (xwin->main_display, tmp);
+ XDestroyWindow (xwin->main_display, tmp);
+ xwin->ov_move = FALSE;
+
+ g_mutex_unlock (xwin->main_lock);
+
+ /* once */
+ return FALSE;
+}
+
+static int
+x11_error_dev_null (Display *display,
+ XErrorEvent *event)
+{
+ return 0;
+}
+
+#define ADD_CLIP(_x, _y, _w, _h) \
+ do { \
+ GstXWindowClip *clip = &xwin->clips[xwin->num_clips++]; \
+ clip->x_offset = _x; \
+ clip->y_offset = _y; \
+ clip->width = _w; \
+ clip->height = _h; \
+ clip->data = NULL; \
+ } while (0);
+
+static void
+gst_xwin_set_clips (GstXWindowListener *xwin)
+{
+ Window root, rroot, parent, *kids, me;
+ XWindowAttributes attr;
+ guint numkids;
+ gint i;
+ gint x1, y1, w1, h1;
+ void *old_handler;
+
+ old_handler = XSetErrorHandler (x11_error_dev_null);
+
+ if (xwin->num_clips != 0)
+ xwin->ov_conf = TRUE;
+ xwin->num_clips = 0;
+
+ root = DefaultRootWindow (xwin->display);
+ XGetWindowAttributes (xwin->display, root, &attr);
+
+ if (xwin->x < 0)
+ ADD_CLIP (0, 0, -xwin->x, xwin->h);
+ if (xwin->y < 0)
+ ADD_CLIP (0, 0, xwin->w, -xwin->y);
+ if ((xwin->x + xwin->w) > attr.width)
+ ADD_CLIP (attr.width - xwin->x, 0, xwin->w, xwin->h);
+ if ((xwin->y + xwin->h) > attr.height)
+ ADD_CLIP (0, attr.height - xwin->y, xwin->w, xwin->h);
+
+ me = xwin->child;
+ while (1) {
+ XQueryTree (xwin->display, me, &rroot, &parent, &kids, &numkids);
+ if (numkids)
+ XFree (kids);
+ if (root == parent)
+ break;
+ me = parent;
+ }
+
+ XQueryTree (xwin->display, root, &rroot, &parent, &kids, &numkids);
+ for (i = 0; i < numkids; i++)
+ if (kids[i] == me)
+ break;
+
+ for (i++; i < numkids; i++) {
+ XGetWindowAttributes (xwin->display, kids[i], &attr);
+ if (attr.map_state != IsViewable)
+ continue;
+
+ x1 = attr.x - xwin->x;
+ y1 = attr.y - xwin->y;
+ w1 = attr.width + 2 * attr.border_width;
+ h1 = attr.height + 2 * attr.border_width;
+ if (((x1 + w1) < 0) || (x1 > xwin->w) ||
+ ((y1 + h1) < 0) || (y1 > xwin->h))
+ continue;
+
+ if (x1 < 0)
+ x1 = 0;
+ if (y1 < 0)
+ y1 = 0;
+ ADD_CLIP (x1, y1, w1, h1);
+ }
+ XFree (kids);
+
+ if (xwin->num_clips != 0)
+ xwin->ov_conf = TRUE;
+
+ XSetErrorHandler (old_handler);
+}
+
+
+static gboolean
+gst_xwin_window (GstXWindowListener *xwin)
+{
+ if (xwin->ov_map && xwin->ov_wmmap &&
+ xwin->ov_visibility != VisibilityFullyObscured) {
+ /* visible */
+ if (xwin->ov_visibility == VisibilityPartiallyObscured) {
+ /* set clips */
+ gst_xwin_set_clips (xwin);
+ }
+
+ if (xwin->ov_conf) {
+ xwin->set_window_func (xwin->private_data,
+ xwin->x, xwin->y,
+ xwin->w, xwin->h,
+ xwin->clips, xwin->num_clips);
+
+ if (!xwin->ov_visible)
+ gst_xwin_set_overlay (xwin, TRUE);
+
+ g_mutex_lock (xwin->main_lock);
+
+ if (xwin->ov_refresh_id)
+ g_source_remove (xwin->ov_refresh_id);
+ xwin->ov_refresh_id =
+ g_timeout_add (200, (GSourceFunc) gst_xwin_refresh,
+ (gpointer) xwin);
+
+ xwin->ov_conf = FALSE;
+
+ g_mutex_unlock (xwin->main_lock);
+ }
+ } else {
+ /* not visible */
+ if (xwin->ov_conf && xwin->ov_visible) {
+ gst_xwin_set_overlay (xwin, FALSE);
+
+ g_mutex_lock (xwin->main_lock);
+
+ if (xwin->ov_refresh_id)
+ g_source_remove (xwin->ov_refresh_id);
+ xwin->ov_refresh_id =
+ g_timeout_add (200, (GSourceFunc) gst_xwin_refresh,
+ (gpointer) xwin);
+
+ xwin->ov_conf = FALSE;
+
+ g_mutex_unlock (xwin->main_lock);
+ }
+ }
+
+ xwin->ov_conf_id = 0;
+
+ /* once is enough */
+ return FALSE;
+}
+
+static void
+gst_xwin_configure (GstXWindowListener *xwin)
+{
+#if 0
+ /* This part is disabled, because the idle task will be done
+ * in the main thread instead of here. */
+ if (!xwin->ov_conf_id)
+ xwin->ov_conf_id =
+ g_idle_add ((GSourceFunc) gst_rec_xoverlay_window,
+ (gpointer) xwin);
+#endif
+
+ gst_xwin_window ((gpointer) xwin);
+}
+
+static void
+gst_xwin_resize (GstXWindowListener *xwin)
+{
+ Drawable drawable, parent, *kids, root;
+ guint numkids;
+ XWindowAttributes attr;
+
+ XGetWindowAttributes (xwin->display,
+ xwin->xwindow_id, &attr);
+ XMoveResizeWindow (xwin->display, xwin->child,
+ 0, 0, attr.width, attr.height);
+
+ /* set the video window - the first clip is our own window */
+ xwin->x = 0;
+ xwin->y = 0;
+ xwin->w = attr.width;
+ xwin->h = attr.height;
+
+ drawable = xwin->child;
+ while (1) {
+ XQueryTree (xwin->display, drawable,
+ &root, &parent, &kids, &numkids);
+ if (numkids)
+ XFree(kids);
+ drawable = parent;
+ XGetWindowAttributes (xwin->display, drawable, &attr);
+ xwin->x += attr.x;
+ xwin->y += attr.y;
+ if (parent == attr.root)
+ break;
+ }
+
+ xwin->ov_conf = TRUE;
+ xwin->ov_move = TRUE;
+
+ gst_xwin_configure (xwin);
+}
+
+static void
+gst_xwin_init_window (GstXWindowListener *xwin)
+{
+ XWindowAttributes attr;
+
+ /* start values */
+ xwin->ov_conf = TRUE;
+ xwin->ov_map = xwin->ov_wmmap = TRUE;
+ xwin->ov_move = TRUE;
+ xwin->ov_refresh = FALSE;
+ g_mutex_lock (xwin->main_lock);
+ xwin->ov_conf_id = xwin->ov_refresh_id = 0;
+ g_mutex_unlock (xwin->main_lock);
+ xwin->ov_visibility = VisibilityFullyObscured;
+
+ /* start the memory that we'll use */
+ xwin->clips = g_malloc (sizeof (GstXWindowClip) * NUM_CLIPS);
+ xwin->num_clips = 0;
+
+ /* open connection to X server */
+ xwin->display = XOpenDisplay (xwin->display_name);
+
+ /* window */
+ XGetWindowAttributes (xwin->display,
+ xwin->xwindow_id, &attr);
+ xwin->child = XCreateSimpleWindow (xwin->display,
+ xwin->xwindow_id, 0, 0,
+ attr.width, attr.height, 0, 0, 0);
+
+ /* listen to certain X events */
+ XSelectInput (xwin->display, xwin->xwindow_id,
+ StructureNotifyMask);
+ XSelectInput (xwin->display, xwin->child,
+ VisibilityChangeMask | StructureNotifyMask);
+ XSelectInput (xwin->display, DefaultRootWindow (xwin->display),
+ VisibilityChangeMask | StructureNotifyMask |
+ SubstructureNotifyMask);
+
+ /* show */
+ XMapWindow (xwin->display, xwin->child);
+
+ gst_xwin_resize (xwin);
+}
+
+static void
+gst_xwin_exit_window (GstXWindowListener *xwin)
+{
+ /* disable overlay */
+ gst_xwin_set_overlay (xwin, FALSE);
+
+ /* delete idle funcs */
+ if (xwin->ov_conf_id != 0)
+ g_source_remove (xwin->ov_conf_id);
+
+ g_mutex_lock (xwin->main_lock);
+ if (xwin->ov_refresh_id != 0)
+ g_source_remove (xwin->ov_refresh_id);
+ g_mutex_unlock (xwin->main_lock);
+
+ /* get away from X and free mem */
+ XDestroyWindow (xwin->display, xwin->child);
+ XCloseDisplay (xwin->display);
+ g_free (xwin->clips);
+}
+
+static gpointer
+gst_xwin_thread (gpointer data)
+{
+ GstXWindowListener *xwin = GST_X_WINDOW_LISTENER (data);
+ XEvent event;
+
+ /* Hi, I'm GStreamer. What's your name? */
+ gst_xwin_init_window (xwin);
+
+ while (xwin->cycle) {
+ XNextEvent (xwin->display, &event);
+
+ if (!xwin->cycle)
+ break;
+
+ if ((event.type == ConfigureNotify &&
+ event.xconfigure.window == xwin->xwindow_id) ||
+ (event.type == MapNotify &&
+ event.xmap.window == xwin->xwindow_id) ||
+ (event.type == UnmapNotify &&
+ event.xunmap.window == xwin->xwindow_id)) {
+ /* the 'parent' window, i.e. the widget provided by client */
+ switch (event.type) {
+ case MapNotify:
+ xwin->ov_map = TRUE;
+ xwin->ov_conf = TRUE;
+ gst_xwin_configure (xwin);
+ break;
+
+ case UnmapNotify:
+ xwin->ov_map = FALSE;
+ xwin->ov_conf = TRUE;
+ gst_xwin_configure (xwin);
+ break;
+
+ case ConfigureNotify:
+ gst_xwin_resize (xwin);
+ break;
+
+ default:
+ /* nothing */
+ break;
+ }
+ } else if (event.xany.window == xwin->child) {
+ /* our own private window */
+ switch (event.type) {
+ case Expose:
+ if (!event.xexpose.count) {
+ if (xwin->ov_refresh) {
+ xwin->ov_refresh = FALSE;
+ } else {
+ xwin->ov_conf = TRUE;
+ gst_xwin_configure (xwin);
+ }
+ }
+ break;
+
+ case VisibilityNotify:
+ xwin->ov_visibility = event.xvisibility.state;
+ if (xwin->ov_refresh) {
+ if (event.xvisibility.state != VisibilityFullyObscured)
+ xwin->ov_refresh = FALSE;
+ } else {
+ xwin->ov_conf = TRUE;
+ gst_xwin_configure (xwin);
+ }
+ break;
+
+ default:
+ /* nothing */
+ break;
+ }
+ } else {
+ /* root window */
+ switch (event.type) {
+ case MapNotify:
+ case UnmapNotify:
+ /* are we still visible? */
+ if (!xwin->ov_refresh) {
+ XWindowAttributes attr;
+ gboolean on;
+ XGetWindowAttributes (xwin->display,
+ xwin->xwindow_id, &attr);
+ on = (attr.map_state == IsViewable);
+ xwin->ov_wmmap = on;
+ xwin->ov_conf = TRUE;
+ gst_xwin_configure (xwin);
+ }
+ break;
+
+ case ConfigureNotify:
+ if (!xwin->ov_refresh) {
+ gst_xwin_resize (xwin);
+ }
+ break;
+
+ default:
+ /* nothing */
+ break;
+ }
+ }
+ }
+
+ /* Nice to have met you, see you later */
+ gst_xwin_exit_window (xwin);
+
+ g_thread_exit (NULL);
+
+ return NULL;
+}
+
+static void
+gst_xwin_start (GstXWindowListener *xwin)
+{
+ DEBUG ("Starting XWindow listener");
+
+ xwin->cycle = TRUE;
+ /* we use this main_display for two things: first of all,
+ * the window needs to be 'refreshed' to remove artifacts
+ * after every move. Secondly, we use this to 'unhang' the
+ * event handler after we've stopped it */
+ xwin->main_lock = g_mutex_new ();
+ xwin->main_display = XOpenDisplay (xwin->display_name);
+ xwin->thread = g_thread_create (gst_xwin_thread,
+ (gpointer) xwin,
+ TRUE, NULL);
+
+ DEBUG ("Started X-overlay");
+}
+
+static void
+gst_xwin_stop (GstXWindowListener *xwin)
+{
+ DEBUG ("Stopping XWindow listener");
+
+ xwin->cycle = FALSE;
+ /* now, the event loop will hang. To prevent this from hanging
+ * our app, app, we re-do our refresh hack. Oh man, this is
+ * ugly. But it works. :). */
+ g_mutex_lock (xwin->main_lock);
+ if (xwin->ov_refresh_id)
+ g_source_remove (xwin->ov_refresh_id);
+ g_mutex_unlock (xwin->main_lock);
+
+ gst_xwin_refresh ((gpointer) xwin);
+ g_thread_join (xwin->thread);
+ XCloseDisplay (xwin->main_display);
+ g_mutex_free (xwin->main_lock);
+
+ DEBUG ("Stopped X-overlay");
+}
+
+/*
+ * End of code inspired by XawTV.
+ */
+
+static gboolean
+plugin_init (GModule *module,
+ GstPlugin *plugin)
+{
+ gst_plugin_set_longname (plugin,
+ "X11-based XWindow event/motion listener");
+ return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "xwindowlistener",
+ plugin_init
+};
--- /dev/null
+/* G-Streamer X11 Window event/motion listener
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * xwindowlistener.h: object definition
+ *
+ * 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 __X_WINDOW_LISTENER_H__
+#define __X_WINDOW_LISTENER_H__
+
+#include <gst/gst.h>
+#include <X11/Xlib.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_X_WINDOW_LISTENER \
+ (gst_x_window_listener_get_type())
+#define GST_X_WINDOW_LISTENER(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_X_WINDOW_LISTENER, \
+ GstXWindowListener))
+#define GST_X_WINDOW_LISTENER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_X_WINDOW_LISTENER, \
+ GstXWindowListenerClass))
+#define GST_IS_X_WINDOW_LISTENER(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_X_WINDOW_LISTENER))
+#define GST_IS_X_WINDOW_LISTENER_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_X_WINDOW_LISTENER))
+
+typedef struct _GstXWindowListener GstXWindowListener;
+typedef struct _GstXWindowListenerClass GstXWindowListenerClass;
+typedef struct _GstXWindowClip GstXWindowClip;
+typedef void (* MapWindowFunc) (gpointer your_data,
+ gboolean visible);
+typedef void (* SetWindowFunc) (gpointer your_data,
+ gint x, gint y,
+ gint w, gint h,
+ GstXWindowClip *clips,
+ gint num_clips);
+
+struct _GstXWindowClip {
+ gint32 x_offset,
+ y_offset,
+ width,
+ height;
+ gpointer data;
+};
+
+struct _GstXWindowListener {
+ GObject parent;
+
+ /* "per-instance virtual functions" */
+ MapWindowFunc map_window_func;
+ SetWindowFunc set_window_func;
+
+ /* private data with which we call the virtual functions */
+ gpointer private_data;
+
+ /* general information of what we're doing */
+ gchar *display_name;
+ XID xwindow_id;
+
+ /* one extra... */
+ Display *main_display;
+ GMutex *main_lock;
+
+ /* oh my g*d, this is going to be so horribly ugly */
+ GThread *thread;
+ gboolean cycle;
+
+ /* the overlay window + own thread */
+ Display *display;
+ Drawable child;
+ gboolean ov_conf,
+ ov_map,
+ ov_visible,
+ ov_refresh,
+ ov_move,
+ ov_wmmap;
+ gint ov_visibility;
+ guint ov_conf_id,
+ ov_refresh_id;
+ gint x, y, w, h;
+ GstXWindowClip *clips;
+ gint num_clips;
+};
+
+struct _GstXWindowListenerClass {
+ GObjectClass parent;
+};
+
+GType gst_x_window_listener_get_type (void);
+GstXWindowListener *
+ gst_x_window_listener_new (gchar *display,
+ MapWindowFunc map_window_func,
+ SetWindowFunc set_window_func,
+ gpointer private_data);
+void gst_x_window_listener_set_xid (GstXWindowListener *xwin,
+ XID id);
+
+G_END_DECLS
+
+#endif /* __X_WINDOW_LISTENER_H__ */
--- /dev/null
+/* GStreamer Color Balance interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4lcolorbalance.c: color balance interface implementation for V4L
+ *
+ * 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 "gstv4lcolorbalance.h"
+#include "gstv4lelement.h"
+
+static void
+gst_v4l_color_balance_channel_class_init(GstV4lColorBalanceChannelClass *klass);
+static void
+gst_v4l_color_balance_channel_init (GstV4lColorBalanceChannel *channel);
+
+static const GList *
+gst_v4l_color_balance_list_channels (GstColorBalance *balance);
+static void
+gst_v4l_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value);
+static gint
+gst_v4l_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel);
+
+static GstColorBalanceChannelClass *parent_class = NULL;
+
+GType
+gst_v4l_color_balance_channel_get_type (void)
+{
+ static GType gst_v4l_color_balance_channel_type = 0;
+
+ if (!gst_v4l_color_balance_channel_type) {
+ static const GTypeInfo v4l_tuner_channel_info = {
+ sizeof (GstV4lColorBalanceChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_v4l_color_balance_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstV4lColorBalanceChannel),
+ 0,
+ (GInstanceInitFunc) gst_v4l_color_balance_channel_init,
+ NULL
+ };
+
+ gst_v4l_color_balance_channel_type =
+ g_type_register_static (GST_TYPE_COLOR_BALANCE_CHANNEL,
+ "GstV4lColorBalanceChannel",
+ &v4l_tuner_channel_info, 0);
+ }
+
+ return gst_v4l_color_balance_channel_type;
+}
+
+static void
+gst_v4l_color_balance_channel_class_init (GstV4lColorBalanceChannelClass *klass)
+{
+ parent_class = g_type_class_ref (GST_TYPE_COLOR_BALANCE_CHANNEL);
+}
+
+static void
+gst_v4l_color_balance_channel_init (GstV4lColorBalanceChannel *channel)
+{
+ channel->index = 0;
+}
+
+void
+gst_v4l_color_balance_interface_init (GstColorBalanceClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = gst_v4l_color_balance_list_channels;
+ klass->set_value = gst_v4l_color_balance_set_value;
+ klass->get_value = gst_v4l_color_balance_get_value;
+}
+
+static gboolean
+gst_v4l_color_balance_contains_channel (GstV4lElement *v4lelement,
+ GstV4lColorBalanceChannel *v4lchannel)
+{
+ const GList *item;
+
+ for (item = v4lelement->colors; item != NULL; item = item->next)
+ if (item->data == v4lchannel)
+ return TRUE;
+
+ return FALSE;
+}
+
+static const GList *
+gst_v4l_color_balance_list_channels (GstColorBalance *balance)
+{
+ return GST_V4LELEMENT (balance)->colors;
+}
+
+static void
+gst_v4l_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (balance);
+ GstV4lColorBalanceChannel *v4lchannel =
+ GST_V4L_COLOR_BALANCE_CHANNEL (channel);
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L_IS_OPEN (v4lelement));
+ g_return_if_fail (gst_v4l_color_balance_contains_channel (v4lelement,
+ v4lchannel));
+
+ gst_v4l_set_picture (v4lelement, v4lchannel->index, value);
+}
+
+static gint
+gst_v4l_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (balance);
+ GstV4lColorBalanceChannel *v4lchannel =
+ GST_V4L_COLOR_BALANCE_CHANNEL (channel);
+ gint value;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), 0);
+ g_return_val_if_fail (gst_v4l_color_balance_contains_channel (v4lelement,
+ v4lchannel),
+ 0);
+
+ if (!gst_v4l_get_picture (v4lelement, v4lchannel->index, &value))
+ return 0;
+
+ return value;
+}
--- /dev/null
+/* G-Streamer generic V4L element - Color Balance interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4lcolorbalance.h: color balance interface implementation for V4L
+ *
+ * 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_V4L_COLOR_BALANCE_H__
+#define __GST_V4L_COLOR_BALANCE_H__
+
+#include <gst/gst.h>
+#include <gst/colorbalance/colorbalance.h>
+#include "v4l_calls.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_V4L_COLOR_BALANCE_CHANNEL \
+ (gst_v4l_color_balance_channel_get_type ())
+#define GST_V4L_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L_COLOR_BALANCE_CHANNEL, \
+ GstV4lColorBalanceChannel))
+#define GST_V4L_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L_COLOR_BALANCE_CHANNEL, \
+ GstV4lColorBalanceChannelClass))
+#define GST_IS_V4L_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L_COLOR_BALANCE_CHANNEL))
+#define GST_IS_V4L_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L_COLOR_BALANCE_CHANNEL))
+
+typedef struct _GstV4lColorBalanceChannel {
+ GstColorBalanceChannel parent;
+
+ GstV4lPictureType index;
+} GstV4lColorBalanceChannel;
+
+typedef struct _GstV4lColorBalanceChannelClass {
+ GstColorBalanceChannelClass parent;
+} GstV4lColorBalanceChannelClass;
+
+GType gst_v4l_color_balance_channel_get_type (void);
+
+void gst_v4l_color_balance_interface_init (GstColorBalanceClass *klass);
+
+#endif /* __GST_V4L_COLOR_BALANCE_H__ */
+++ /dev/null
-BOOLEAN:INT,INT,INT,INT,POINTER,INT
-BOOLEAN:STRING,POINTER
-BOOLEAN:STRING,INT
*/
#ifdef HAVE_CONFIG_H
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
#include <config.h>
#endif
#include <string.h>
#include "v4l_calls.h"
-#include "gstv4lelement-marshal.h"
+#include "gstv4ltuner.h"
+#include "gstv4lxoverlay.h"
+#include "gstv4lcolorbalance.h"
/* elementfactory information */
static GstElementDetails gst_v4lelement_details = {
"Generic video4linux Element",
- "None/Video",
+ "Generic/Video",
"LGPL",
"Generic plugin for handling common video4linux calls",
VERSION,
/* FILL ME */
SIGNAL_OPEN,
SIGNAL_CLOSE,
- SIGNAL_SET_VIDEOWINDOW,
- SIGNAL_GET_ATTRIBUTE,
- SIGNAL_SET_ATTRIBUTE,
LAST_SIGNAL
};
enum {
ARG_0,
- ARG_CHANNEL,
- ARG_CHANNEL_NAMES,
- ARG_NORM,
- ARG_NORM_NAMES,
- ARG_HAS_TUNER,
- ARG_FREQUENCY,
- ARG_HAS_AUDIO,
- ARG_ATTRIBUTES,
ARG_DEVICE,
ARG_DEVICE_NAME,
- ARG_DEVICE_IS_CAPTURE,
- ARG_DEVICE_IS_OVERLAY,
- ARG_DEVICE_IS_MJPEG_CAPTURE,
- ARG_DEVICE_IS_MJPEG_PLAYBACK,
- ARG_DEVICE_IS_MPEG_CAPTURE,
- ARG_DEVICE_IS_MPEG_PLAYBACK,
- ARG_DISPLAY,
- ARG_DO_OVERLAY,
- ARG_SIGNAL,
+ ARG_FLAGS,
};
-static void gst_v4lelement_class_init (GstV4lElementClass *klass);
-static void gst_v4lelement_init (GstV4lElement *v4lelement);
-static void gst_v4lelement_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gst_v4lelement_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-static GstElementStateReturn gst_v4lelement_change_state (GstElement *element);
+static void gst_v4lelement_class_init (GstV4lElementClass *klass);
+static void gst_v4lelement_init (GstV4lElement *v4lelement);
+static void gst_v4lelement_dispose (GObject *object);
+static void gst_v4lelement_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gst_v4lelement_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static GstElementStateReturn
+ gst_v4lelement_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
static guint gst_v4lelement_signals[LAST_SIGNAL] = { 0 };
+static gboolean
+gst_v4l_iface_supported (GstInterface *iface,
+ GType iface_type)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (iface);
+
+ g_assert (iface_type == GST_TYPE_TUNER ||
+ iface_type == GST_TYPE_X_OVERLAY ||
+ iface_type == GST_TYPE_COLOR_BALANCE);
+
+ if (v4lelement->video_fd == -1)
+ return FALSE;
+
+ if (iface_type == GST_TYPE_X_OVERLAY &&
+ !GST_V4L_IS_OVERLAY(v4lelement))
+ return FALSE;
+
+ return TRUE;
+}
+
+static void
+gst_v4l_interface_init (GstInterfaceClass *klass)
+{
+ /* default virtual functions */
+ klass->supported = gst_v4l_iface_supported;
+}
+
+#define GST_TYPE_V4L_DEVICE_FLAGS (gst_v4l_device_get_type ())
+GType
+gst_v4l_device_get_type (void)
+{
+ static GType v4l_device_type = 0;
+
+ if (v4l_device_type == 0) {
+ static const GFlagsValue values[] = {
+ { VID_TYPE_CAPTURE, "CAPTURE", "Device can capture" },
+ { VID_TYPE_TUNER, "TUNER", "Device has a tuner" },
+ { VID_TYPE_OVERLAY, "OVERLAY", "Device can do overlay" },
+ { VID_TYPE_MPEG_DECODER, "MPEG_DECODER", "Device can decode MPEG" },
+ { VID_TYPE_MPEG_ENCODER, "MPEG_ENCODER", "Device can encode MPEG" },
+ { VID_TYPE_MJPEG_DECODER, "MJPEG_DECODER", "Device can decode MJPEG" },
+ { VID_TYPE_MJPEG_ENCODER, "MJPEG_ENCODER", "Device can encode MJPEG" },
+ { 0x10000, "AUDIO", "Device handles audio" },
+ { 0, NULL, NULL }
+ };
+
+ v4l_device_type = g_flags_register_static ("GstV4lDeviceTypeFlags",
+ values);
+ }
+
+ return v4l_device_type;
+}
+
GType
gst_v4lelement_get_type (void)
(GInstanceInitFunc)gst_v4lelement_init,
NULL
};
- v4lelement_type = g_type_register_static(GST_TYPE_ELEMENT, "GstV4lElement", &v4lelement_info, 0);
- }
- return v4lelement_type;
-}
-
-
-static gboolean
-gst_v4l_get_attribute (GstElement *element,
- const gchar *name,
- int *value)
-{
- int n;
- GstV4lElement *v4lelement;
-
- g_return_val_if_fail(element != NULL && name != NULL && value != NULL, FALSE);
- g_return_val_if_fail(GST_IS_V4LELEMENT(element), FALSE);
-
- v4lelement = GST_V4LELEMENT(element);
-
- for (n=0;picture_name[n]!=NULL;n++)
- {
- if (!strcmp(picture_name[n], name))
- return gst_v4l_get_picture(v4lelement, n, value);
- }
-
- for (n=0;audio_name[n]!=NULL;n++)
- {
- if (!strcmp(audio_name[n], name))
- return gst_v4l_get_audio(v4lelement, n, value);
- }
-
- gst_element_error(element, "Unknown attribute %s", name);
- return FALSE;
-}
-
-
-static gboolean
-gst_v4l_set_attribute (GstElement *element,
- const gchar *name,
- const int value)
-{
- int n;
- GstV4lElement *v4lelement;
-
- g_return_val_if_fail(element != NULL && name != NULL, FALSE);
- g_return_val_if_fail(GST_IS_V4LELEMENT(element), FALSE);
-
- v4lelement = GST_V4LELEMENT(element);
-
- for (n=0;picture_name[n]!=NULL;n++)
- {
- if (!strcmp(picture_name[n], name))
- return gst_v4l_set_picture(v4lelement, n, value);
- }
+ static const GInterfaceInfo v4liface_info = {
+ (GInterfaceInitFunc) gst_v4l_interface_init,
+ NULL,
+ NULL,
+ };
+ static const GInterfaceInfo v4l_tuner_info = {
+ (GInterfaceInitFunc) gst_v4l_tuner_interface_init,
+ NULL,
+ NULL,
+ };
+ static const GInterfaceInfo v4l_xoverlay_info = {
+ (GInterfaceInitFunc) gst_v4l_xoverlay_interface_init,
+ NULL,
+ NULL,
+ };
+ static const GInterfaceInfo v4l_colorbalance_info = {
+ (GInterfaceInitFunc) gst_v4l_color_balance_interface_init,
+ NULL,
+ NULL,
+ };
- for (n=0;audio_name[n]!=NULL;n++)
- {
- if (!strcmp(audio_name[n], name))
- return gst_v4l_set_audio(v4lelement, n, value);
+ v4lelement_type = g_type_register_static(GST_TYPE_ELEMENT,
+ "GstV4lElement",
+ &v4lelement_info, 0);
+
+ g_type_add_interface_static (v4lelement_type,
+ GST_TYPE_INTERFACE,
+ &v4liface_info);
+ g_type_add_interface_static (v4lelement_type,
+ GST_TYPE_TUNER,
+ &v4l_tuner_info);
+ g_type_add_interface_static (v4lelement_type,
+ GST_TYPE_X_OVERLAY,
+ &v4l_xoverlay_info);
+ g_type_add_interface_static (v4lelement_type,
+ GST_TYPE_COLOR_BALANCE,
+ &v4l_colorbalance_info);
}
- gst_element_error(element, "Unknown attribute %s", name);
- return FALSE;
+ return v4lelement_type;
}
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHANNEL,
- g_param_spec_int("channel","channel","channel",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHANNEL_NAMES,
- g_param_spec_pointer("channel_names","channel_names","channel_names",
- G_PARAM_READABLE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NORM,
- g_param_spec_int("norm","norm","norm",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NORM_NAMES,
- g_param_spec_pointer("norm_names","norm_names","norm_names",
- G_PARAM_READABLE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_HAS_TUNER,
- g_param_spec_boolean("has_tuner","has_tuner","has_tuner",
- 0,G_PARAM_READABLE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FREQUENCY,
- g_param_spec_ulong("frequency","frequency","frequency",
- 0,G_MAXULONG,0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SIGNAL,
- g_param_spec_uint("signal","signal","signal",
- 0,65535,0,G_PARAM_READABLE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_HAS_AUDIO,
- g_param_spec_boolean("has_audio","has_audio","has_audio",
- 0,G_PARAM_READABLE));
-
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE,
- g_param_spec_string("device","device","device",
- NULL, G_PARAM_READWRITE));
+ g_param_spec_string("device","Device","Device location",
+ NULL, G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_NAME,
- g_param_spec_string("device_name","device_name","device_name",
- NULL, G_PARAM_READABLE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_IS_CAPTURE,
- g_param_spec_boolean("can_capture","can_capture","can_capture",
- 0,G_PARAM_READABLE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_IS_OVERLAY,
- g_param_spec_boolean("has_overlay","has_overlay","has_overlay",
- 0,G_PARAM_READABLE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_IS_MJPEG_CAPTURE,
- g_param_spec_boolean("can_capture_mjpeg","can_capture_mjpeg","can_capture_mjpeg",
- 0,G_PARAM_READABLE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_IS_MJPEG_PLAYBACK,
- g_param_spec_boolean("can_playback_mjpeg","can_playback_mjpeg","can_playback_mjpeg",
- 0,G_PARAM_READABLE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_IS_MPEG_CAPTURE,
- g_param_spec_boolean("can_capture_mpeg","can_capture_mpeg","can_capture_mpeg",
- 0,G_PARAM_READABLE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_IS_MPEG_PLAYBACK,
- g_param_spec_boolean("can_playback_mpeg","can_playback_mpeg","can_playback_mpeg",
- 0,G_PARAM_READABLE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DISPLAY,
- g_param_spec_string("display","display","display",
- NULL, G_PARAM_WRITABLE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DO_OVERLAY,
- g_param_spec_boolean("do_overlay","do_overlay","do_overlay",
- 0,G_PARAM_WRITABLE));
-
- /* actions */
- gst_v4lelement_signals[SIGNAL_SET_VIDEOWINDOW] =
- g_signal_new ("set_videowindow",
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET(GstV4lElementClass, set_videowindow),
- NULL, NULL,
- gstv4l_cclosure_marshal_BOOLEAN__INT_INT_INT_INT_POINTER_INT,
- G_TYPE_BOOLEAN, 6,
- G_TYPE_INT, G_TYPE_INT, G_TYPE_INT, G_TYPE_INT,
- G_TYPE_POINTER, G_TYPE_INT);
- klass->set_videowindow = gst_v4l_set_window;
- gst_v4lelement_signals[SIGNAL_GET_ATTRIBUTE] =
- g_signal_new ("get_attribute",
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET(GstV4lElementClass, get_attribute),
- NULL, NULL,
- gstv4l_cclosure_marshal_BOOLEAN__STRING_POINTER,
- G_TYPE_BOOLEAN, 2, G_TYPE_STRING, G_TYPE_POINTER);
- klass->get_attribute = gst_v4l_get_attribute;
- gst_v4lelement_signals[SIGNAL_SET_ATTRIBUTE] =
- g_signal_new ("set_attribute",
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET(GstV4lElementClass, set_attribute),
- NULL, NULL,
- gstv4l_cclosure_marshal_BOOLEAN__STRING_INT,
- G_TYPE_BOOLEAN, 2, G_TYPE_STRING, G_TYPE_INT);
- klass->set_attribute = gst_v4l_set_attribute;
+ g_param_spec_string("device_name","Device name","Name of the device",
+ NULL, G_PARAM_READABLE));
+ g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FLAGS,
+ g_param_spec_flags("flags","Flags","Device type flags",
+ GST_TYPE_V4L_DEVICE_FLAGS, 0,G_PARAM_READABLE));
/* signals */
gst_v4lelement_signals[SIGNAL_OPEN] =
gobject_class->get_property = gst_v4lelement_get_property;
gstelement_class->change_state = gst_v4lelement_change_state;
+
+ gobject_class->dispose = gst_v4lelement_dispose;
}
/* some default values */
v4lelement->video_fd = -1;
v4lelement->buffer = NULL;
- v4lelement->videodev = NULL;
- v4lelement->display = NULL;
+ v4lelement->videodev = g_strdup ("/dev/video");
+ v4lelement->display = g_strdup(g_getenv("DISPLAY"));;
- v4lelement->norm = -1;
- v4lelement->channel = -1; /* the first channel */
+ v4lelement->norms = NULL;
+ v4lelement->channels = NULL;
+ v4lelement->colors = NULL;
- v4lelement->frequency = 0;
+ v4lelement->overlay = gst_v4l_xoverlay_new (v4lelement);
+}
+
+
+static void
+gst_v4lelement_dispose (GObject *object)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (object);
+
+ gst_v4l_xoverlay_free (v4lelement);
+
+ if (v4lelement->display) {
+ g_free (v4lelement->display);
+ }
- v4lelement->norm_names = NULL;
- v4lelement->input_names = NULL;
- v4lelement->control_specs = NULL;
+ if (v4lelement->videodev) {
+ g_free (v4lelement->videodev);
+ }
+
+ if (((GObjectClass *) parent_class)->dispose)
+ ((GObjectClass *) parent_class)->dispose (object);
}
switch (prop_id)
{
- case ARG_CHANNEL:
- v4lelement->channel = g_value_get_int(value);
- if (GST_V4L_IS_OPEN(v4lelement) && !GST_V4L_IS_ACTIVE(v4lelement))
- {
- if (v4lelement->norm >= VIDEO_MODE_PAL &&
- v4lelement->norm < VIDEO_MODE_AUTO &&
- v4lelement->channel >= 0)
- if (!gst_v4l_set_chan_norm(v4lelement, v4lelement->channel, v4lelement->norm))
- return;
- }
- break;
- case ARG_NORM:
- v4lelement->norm = g_value_get_int(value);
- if (GST_V4L_IS_OPEN(v4lelement) && !GST_V4L_IS_ACTIVE(v4lelement))
- {
- if (v4lelement->norm >= VIDEO_MODE_PAL &&
- v4lelement->norm < VIDEO_MODE_AUTO &&
- v4lelement->channel >= 0)
- if (!gst_v4l_set_chan_norm(v4lelement, v4lelement->channel, v4lelement->norm))
- return;
- }
- break;
- case ARG_FREQUENCY:
- v4lelement->frequency = g_value_get_ulong(value);
- if (gst_v4l_has_tuner(v4lelement)) {
- if (!gst_v4l_set_frequency(v4lelement, v4lelement->frequency)){
- return;
- }
- }
- break;
case ARG_DEVICE:
if (v4lelement->videodev)
g_free(v4lelement->videodev);
v4lelement->videodev = g_strdup(g_value_get_string(value));
break;
- case ARG_DO_OVERLAY:
- if (GST_V4L_IS_OPEN(v4lelement))
- gst_v4l_enable_overlay(v4lelement, g_value_get_boolean(value));
- break;
- case ARG_DISPLAY:
- if (v4lelement->display) g_free(v4lelement->display);
- v4lelement->display = g_strdup(g_value_get_string(value));
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
GParamSpec *pspec)
{
GstV4lElement *v4lelement;
- gint temp_i = 0;
- gulong temp_ul = 0;
- GList *list = NULL;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_V4LELEMENT(object));
switch (prop_id)
{
- case ARG_CHANNEL:
- if (GST_V4L_IS_OPEN(v4lelement))
- gst_v4l_get_chan_norm(v4lelement, &temp_i, NULL);
- g_value_set_int(value, temp_i);
- break;
- case ARG_CHANNEL_NAMES:
- if (GST_V4L_IS_OPEN(v4lelement))
- list = gst_v4l_get_chan_names(v4lelement);
- g_value_set_pointer(value, (gpointer)list);
- break;
- case ARG_NORM:
- if (GST_V4L_IS_OPEN(v4lelement))
- gst_v4l_get_chan_norm(v4lelement, NULL, &temp_i);
- g_value_set_int(value, temp_i);
- break;
- case ARG_NORM_NAMES:
- for (temp_i=0;norm_name[temp_i]!=NULL;temp_i++)
- list = g_list_append(list, (gpointer)norm_name[temp_i]);
- g_value_set_pointer(value, (gpointer)list);
- break;
- case ARG_HAS_TUNER:
- g_value_set_boolean(value, FALSE);
- if (GST_V4L_IS_OPEN(v4lelement))
- if (gst_v4l_has_tuner(v4lelement))
- g_value_set_boolean(value, TRUE);
- break;
- case ARG_FREQUENCY:
- if (GST_V4L_IS_OPEN(v4lelement))
- if (gst_v4l_has_tuner(v4lelement))
- gst_v4l_get_frequency(v4lelement, &temp_ul);
- g_value_set_ulong(value, temp_ul);
- break;
- case ARG_SIGNAL:
- if (GST_V4L_IS_OPEN(v4lelement))
- if (gst_v4l_has_tuner(v4lelement))
- gst_v4l_get_signal(v4lelement, &temp_i);
- g_value_set_uint(value, temp_i);
- break;
- case ARG_HAS_AUDIO:
- g_value_set_boolean(value, FALSE);
- if (GST_V4L_IS_OPEN(v4lelement))
- if (gst_v4l_has_audio(v4lelement))
- g_value_set_boolean(value, TRUE);
- break;
case ARG_DEVICE:
- g_value_set_string(value, v4lelement->videodev?v4lelement->videodev:"/dev/video");
- break;
- case ARG_DEVICE_NAME:
- if (GST_V4L_IS_OPEN(v4lelement))
- g_value_set_string(value, v4lelement->vcap.name);
- else
- g_value_set_string(value, "None");
- break;
- case ARG_DEVICE_IS_CAPTURE:
- g_value_set_boolean(value, FALSE);
- if (GST_V4L_IS_OPEN(v4lelement))
- g_value_set_boolean(value, v4lelement->vcap.type & VID_TYPE_CAPTURE);
+ g_value_set_string(value, v4lelement->videodev);
break;
- case ARG_DEVICE_IS_OVERLAY:
- g_value_set_boolean(value, FALSE);
+ case ARG_DEVICE_NAME: {
+ gchar *new = NULL;
if (GST_V4L_IS_OPEN(v4lelement))
- g_value_set_boolean(value, v4lelement->vcap.type & VID_TYPE_OVERLAY);
+ new = v4lelement->vcap.name;
+ g_value_set_string(value, new);
break;
- case ARG_DEVICE_IS_MJPEG_CAPTURE:
- g_value_set_boolean(value, FALSE);
- if (GST_V4L_IS_OPEN(v4lelement))
- g_value_set_boolean(value, v4lelement->vcap.type & VID_TYPE_MJPEG_ENCODER);
- break;
- case ARG_DEVICE_IS_MJPEG_PLAYBACK:
- g_value_set_boolean(value, FALSE);
- if (GST_V4L_IS_OPEN(v4lelement))
- g_value_set_boolean(value, v4lelement->vcap.type & VID_TYPE_MJPEG_DECODER);
- break;
- case ARG_DEVICE_IS_MPEG_CAPTURE:
- g_value_set_boolean(value, FALSE);
- if (GST_V4L_IS_OPEN(v4lelement))
- g_value_set_boolean(value, v4lelement->vcap.type & VID_TYPE_MPEG_ENCODER);
- break;
- case ARG_DEVICE_IS_MPEG_PLAYBACK:
- g_value_set_boolean(value, FALSE);
- if (GST_V4L_IS_OPEN(v4lelement))
- g_value_set_boolean(value, v4lelement->vcap.type & VID_TYPE_MPEG_DECODER);
+ }
+ case ARG_FLAGS: {
+ guint flags = 0;
+ if (GST_V4L_IS_OPEN(v4lelement)) {
+ flags |= v4lelement->vcap.type & 0x3C0B;
+ if (v4lelement->vcap.audios)
+ flags |= 0x10000;
+ }
+ g_value_set_flags(value, flags);
break;
+ }
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
switch (GST_STATE_TRANSITION(element))
{
case GST_STATE_NULL_TO_READY:
- {
- if (v4lelement->display)
- gst_v4l_set_overlay(v4lelement, v4lelement->display);
+ gst_v4l_set_overlay(v4lelement);
if (!gst_v4l_open(v4lelement))
return GST_STATE_FAILURE;
- /* now, sync options */
- if (v4lelement->norm >= VIDEO_MODE_PAL &&
- v4lelement->norm < VIDEO_MODE_AUTO &&
- v4lelement->channel >= 0)
- {
- if (!gst_v4l_set_chan_norm(v4lelement, v4lelement->channel,
- v4lelement->norm)) {
- gst_v4l_close(v4lelement);
- return GST_STATE_FAILURE;
- }
- }
- if (v4lelement->frequency > 0 && gst_v4l_has_tuner(v4lelement))
- {
- if (!gst_v4l_set_frequency(v4lelement, v4lelement->frequency)) {
- gst_v4l_close(v4lelement);
- return GST_STATE_FAILURE;
- }
- }
+ gst_v4l_xoverlay_open (v4lelement);
g_signal_emit(G_OBJECT(v4lelement),
gst_v4lelement_signals[SIGNAL_OPEN], 0,
v4lelement->videodev);
- }
break;
+
case GST_STATE_READY_TO_NULL:
+ gst_v4l_xoverlay_close (v4lelement);
+
if (!gst_v4l_close(v4lelement))
return GST_STATE_FAILURE;
{
GstElementFactory *factory;
+ /* actually, we can survive without it, but I'll create
+ * that handling later on. */
+ if (!gst_library_load ("xwindowlistener"))
+ return FALSE;
+
/* create an elementfactory for the v4lelement */
factory = gst_element_factory_new("v4lelement", GST_TYPE_V4LELEMENT,
&gst_v4lelement_details);
#define __GST_V4LELEMENT_H__
#include <gst/gst.h>
+#include <gst/xwindowlistener/xwindowlistener.h>
/* Because of some really cool feature in video4linux1, also known as
* 'not including sys/types.h and sys/time.h', we had to include it
typedef struct _GstV4lElement GstV4lElement;
typedef struct _GstV4lElementClass GstV4lElementClass;
-typedef struct _GstV4lRect {
- gint x, y, w, h;
-} GstV4lRect;
-
struct _GstV4lElement {
GstElement element;
struct video_channel vchan;
/* lists... */
- GList *control_specs;
- GList *norm_names;
- GList *input_names;
+ GList *colors;
+ GList *norms;
+ GList *channels;
+
+ /* X-overlay */
+ GstXWindowListener *overlay;
+ XID xwindow_id;
/* caching values */
- gint channel;
- gint norm;
- gulong frequency;
gchar *display;
};
const gchar *device);
/* actions */
- gboolean (*set_videowindow) (GstElement *element,
- gint x,
- gint y,
- gint w,
- gint h,
- struct video_clip *clips,
- gint num_clips);
gboolean (*get_attribute) (GstElement *element,
const gchar *attr_name,
int *value);
if (!gst_v4lmjpegsink_set_playback(v4lmjpegsink,
v4lmjpegsink->width, v4lmjpegsink->height,
v4lmjpegsink->x_offset, v4lmjpegsink->y_offset,
- GST_V4LELEMENT(v4lmjpegsink)->norm, 0)) /* TODO: interlacing */
+ GST_V4LELEMENT(v4lmjpegsink)->vchan.norm, 0)) /* TODO: interlacing */
continue;
/* set buffer info */
parent_value = GST_STATE_FAILURE;
}
- if (GST_STATE_TRANSITION(element) == GST_STATE_NULL_TO_READY)
- {
- if ((GST_V4LELEMENT(v4lmjpegsink)->norm >= VIDEO_MODE_PAL ||
- GST_V4LELEMENT(v4lmjpegsink)->norm < VIDEO_MODE_AUTO) ||
- GST_V4LELEMENT(v4lmjpegsink)->channel < 0)
- if (!gst_v4l_set_chan_norm(GST_V4LELEMENT(v4lmjpegsink),
- 0, GST_V4LELEMENT(v4lmjpegsink)->norm))
- return GST_STATE_FAILURE;
- }
-
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return parent_value;
gst_v4lmjpegsrc_change_state (GstElement *element)
{
GstV4lMjpegSrc *v4lmjpegsrc;
- GstElementStateReturn parent_value;
GTimeVal time;
g_return_val_if_fail(GST_IS_V4LMJPEGSRC(element), GST_STATE_FAILURE);
break;
}
- if (GST_ELEMENT_CLASS (parent_class)->change_state) {
- parent_value = GST_ELEMENT_CLASS (parent_class)->change_state (element);
- } else {
- parent_value = GST_STATE_FAILURE;
- }
-
- if (GST_STATE_TRANSITION(element) == GST_STATE_NULL_TO_READY)
- {
- /* do autodetection if no input/norm is selected yet */
- if ((GST_V4LELEMENT(v4lmjpegsrc)->norm < VIDEO_MODE_PAL ||
- GST_V4LELEMENT(v4lmjpegsrc)->norm == VIDEO_MODE_AUTO) ||
- (GST_V4LELEMENT(v4lmjpegsrc)->channel < 0 ||
- GST_V4LELEMENT(v4lmjpegsrc)->channel == V4L_MJPEG_INPUT_AUTO))
- {
- gint norm, input;
-
- if (GST_V4LELEMENT(v4lmjpegsrc)->norm < 0)
- norm = VIDEO_MODE_AUTO;
- else
- norm = GST_V4LELEMENT(v4lmjpegsrc)->norm;
-
- if (GST_V4LELEMENT(v4lmjpegsrc)->channel < 0)
- input = V4L_MJPEG_INPUT_AUTO;
- else
- input = GST_V4LELEMENT(v4lmjpegsrc)->channel;
-
- if (!gst_v4lmjpegsrc_set_input_norm(v4lmjpegsrc, input, norm))
- return GST_STATE_FAILURE;
- }
- }
-
if (GST_ELEMENT_CLASS (parent_class)->change_state)
- return parent_value;
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
--- /dev/null
+/* GStreamer Tuner interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4ltuner.c: tuner interface implementation for V4L
+ *
+ * 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 <gst/tuner/tuner.h>
+
+#include "gstv4ltuner.h"
+#include "gstv4lelement.h"
+#include "v4l_calls.h"
+
+static void gst_v4l_tuner_channel_class_init(GstV4lTunerChannelClass *klass);
+static void gst_v4l_tuner_channel_init (GstV4lTunerChannel *channel);
+
+static void gst_v4l_tuner_norm_class_init (GstV4lTunerNormClass *klass);
+static void gst_v4l_tuner_norm_init (GstV4lTunerNorm *norm);
+
+static const GList *
+ gst_v4l_tuner_list_channels (GstTuner *tuner);
+static void gst_v4l_tuner_set_channel (GstTuner *tuner,
+ GstTunerChannel *channel);
+static const GstTunerChannel *
+ gst_v4l_tuner_get_channel (GstTuner *tuner);
+
+static const GList *
+ gst_v4l_tuner_list_norms (GstTuner *tuner);
+static void gst_v4l_tuner_set_norm (GstTuner *tuner,
+ GstTunerNorm *norm);
+static const GstTunerNorm *
+ gst_v4l_tuner_get_norm (GstTuner *tuner);
+
+static void gst_v4l_tuner_set_frequency (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency);
+static gulong gst_v4l_tuner_get_frequency (GstTuner *tuner,
+ GstTunerChannel *channel);
+static gint gst_v4l_tuner_signal_strength (GstTuner *tuner,
+ GstTunerChannel *channel);
+
+static GstTunerNormClass *norm_parent_class = NULL;
+static GstTunerChannelClass *channel_parent_class = NULL;
+
+GType
+gst_v4l_tuner_channel_get_type (void)
+{
+ static GType gst_v4l_tuner_channel_type = 0;
+
+ if (!gst_v4l_tuner_channel_type) {
+ static const GTypeInfo v4l_tuner_channel_info = {
+ sizeof (GstV4lTunerChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_v4l_tuner_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstV4lTunerChannel),
+ 0,
+ (GInstanceInitFunc) gst_v4l_tuner_channel_init,
+ NULL
+ };
+
+ gst_v4l_tuner_channel_type =
+ g_type_register_static (GST_TYPE_TUNER_CHANNEL,
+ "GstV4lTunerChannel",
+ &v4l_tuner_channel_info, 0);
+ }
+
+ return gst_v4l_tuner_channel_type;
+}
+
+static void
+gst_v4l_tuner_channel_class_init (GstV4lTunerChannelClass *klass)
+{
+ channel_parent_class = g_type_class_ref (GST_TYPE_TUNER_CHANNEL);
+}
+
+static void
+gst_v4l_tuner_channel_init (GstV4lTunerChannel *channel)
+{
+ channel->index = 0;
+ channel->audio = 0;
+ channel->tuner = 0;
+}
+
+GType
+gst_v4l_tuner_norm_get_type (void)
+{
+ static GType gst_v4l_tuner_norm_type = 0;
+
+ if (!gst_v4l_tuner_norm_type) {
+ static const GTypeInfo v4l_tuner_norm_info = {
+ sizeof (GstV4lTunerNormClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_v4l_tuner_norm_class_init,
+ NULL,
+ NULL,
+ sizeof (GstV4lTunerNorm),
+ 0,
+ (GInstanceInitFunc) gst_v4l_tuner_norm_init,
+ NULL
+ };
+
+ gst_v4l_tuner_norm_type =
+ g_type_register_static (GST_TYPE_TUNER_NORM,
+ "GstV4lTunerNorm",
+ &v4l_tuner_norm_info, 0);
+ }
+
+ return gst_v4l_tuner_norm_type;
+}
+
+static void
+gst_v4l_tuner_norm_class_init (GstV4lTunerNormClass *klass)
+{
+ norm_parent_class = g_type_class_ref (GST_TYPE_TUNER_NORM);
+}
+
+static void
+gst_v4l_tuner_norm_init (GstV4lTunerNorm *norm)
+{
+ norm->index = 0;
+}
+
+void
+gst_v4l_tuner_interface_init (GstTunerClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = gst_v4l_tuner_list_channels;
+ klass->set_channel = gst_v4l_tuner_set_channel;
+ klass->get_channel = gst_v4l_tuner_get_channel;
+
+ klass->list_norms = gst_v4l_tuner_list_norms;
+ klass->set_norm = gst_v4l_tuner_set_norm;
+ klass->get_norm = gst_v4l_tuner_get_norm;
+
+ klass->set_frequency = gst_v4l_tuner_set_frequency;
+ klass->get_frequency = gst_v4l_tuner_get_frequency;
+ klass->signal_strength = gst_v4l_tuner_signal_strength;
+}
+
+static gboolean
+gst_v4l_tuner_contains_channel (GstV4lElement *v4lelement,
+ GstV4lTunerChannel *v4lchannel)
+{
+ const GList *item;
+
+ for (item = v4lelement->channels; item != NULL; item = item->next)
+ if (item->data == v4lchannel)
+ return TRUE;
+
+ return FALSE;
+}
+
+static const GList *
+gst_v4l_tuner_list_channels (GstTuner *tuner)
+{
+ return GST_V4LELEMENT (tuner)->channels;
+}
+
+static void
+gst_v4l_tuner_set_channel (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (tuner);
+ GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL (channel);
+ gint norm;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L_IS_OPEN (v4lelement));
+ g_return_if_fail (gst_v4l_tuner_contains_channel (v4lelement, v4lchannel));
+
+ gst_v4l_get_chan_norm (v4lelement, NULL, &norm);
+ gst_v4l_set_chan_norm (v4lelement, v4lchannel->index, norm);
+}
+
+static const GstTunerChannel *
+gst_v4l_tuner_get_channel (GstTuner *tuner)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (tuner);
+ GList *item;
+ gint channel;
+
+ /* assert that we're opened */
+ g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), NULL);
+
+ gst_v4l_get_chan_norm (v4lelement, &channel, NULL);
+
+ for (item = v4lelement->channels; item != NULL; item = item->next) {
+ if (channel == GST_V4L_TUNER_CHANNEL (item->data)->index)
+ return (const GstTunerChannel *) item->data;
+ }
+
+ return NULL;
+}
+
+static gboolean
+gst_v4l_tuner_contains_norm (GstV4lElement *v4lelement,
+ GstV4lTunerNorm *v4lnorm)
+{
+ const GList *item;
+
+ for (item = v4lelement->norms; item != NULL; item = item->next)
+ if (item->data == v4lnorm)
+ return TRUE;
+
+ return FALSE;
+}
+
+static const GList *
+gst_v4l_tuner_list_norms (GstTuner *tuner)
+{
+ return GST_V4LELEMENT (tuner)->norms;
+}
+
+static void
+gst_v4l_tuner_set_norm (GstTuner *tuner,
+ GstTunerNorm *norm)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (tuner);
+ GstV4lTunerNorm *v4lnorm = GST_V4L_TUNER_NORM (norm);
+ gint channel;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L_IS_OPEN (v4lelement));
+ g_return_if_fail (gst_v4l_tuner_contains_norm (v4lelement, v4lnorm));
+
+ gst_v4l_get_chan_norm (v4lelement, &channel, NULL);
+ gst_v4l_set_chan_norm (v4lelement, channel, v4lnorm->index);
+}
+
+static const GstTunerNorm *
+gst_v4l_tuner_get_norm (GstTuner *tuner)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (tuner);
+ GList *item;
+ gint norm;
+
+ /* assert that we're opened */
+ g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), NULL);
+
+ gst_v4l_get_chan_norm (v4lelement, NULL, &norm);
+
+ for (item = v4lelement->norms; item != NULL; item = item->next) {
+ if (norm == GST_V4L_TUNER_NORM (item->data)->index)
+ return (const GstTunerNorm *) item->data;
+ }
+
+ return NULL;
+}
+
+static void
+gst_v4l_tuner_set_frequency (GstTuner *tuner,
+ GstTunerChannel *channel,
+ gulong frequency)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (tuner);
+ GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL(channel);
+ gint chan;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L_IS_OPEN (v4lelement));
+ g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY));
+ g_return_if_fail (gst_v4l_tuner_contains_channel (v4lelement, v4lchannel));
+
+ gst_v4l_get_chan_norm (v4lelement, &chan, NULL);
+ if (chan == GST_V4L_TUNER_CHANNEL (channel)->index) {
+ gst_v4l_set_frequency (v4lelement, v4lchannel->tuner, frequency);
+ }
+}
+
+static gulong
+gst_v4l_tuner_get_frequency (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (tuner);
+ GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL(channel);
+ gint chan;
+ gulong frequency = 0;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), 0);
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+ g_return_val_if_fail (gst_v4l_tuner_contains_channel (v4lelement,
+ v4lchannel), 0);
+
+ gst_v4l_get_chan_norm (v4lelement, &chan, NULL);
+ if (chan == GST_V4L_TUNER_CHANNEL (channel)->index) {
+ gst_v4l_get_frequency (v4lelement, v4lchannel->tuner, &frequency);
+ }
+
+ return frequency;
+}
+
+static gint
+gst_v4l_tuner_signal_strength (GstTuner *tuner,
+ GstTunerChannel *channel)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (tuner);
+ GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL(channel);
+ gint chan;
+ gint signal = 0;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), 0);
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+ g_return_val_if_fail (gst_v4l_tuner_contains_channel (v4lelement,
+ v4lchannel), 0);
+
+ gst_v4l_get_chan_norm (v4lelement, &chan, NULL);
+ if (chan == GST_V4L_TUNER_CHANNEL (channel)->index &&
+ GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
+ gst_v4l_get_signal (v4lelement, v4lchannel->tuner, &signal);
+ }
+
+ return signal;
+}
--- /dev/null
+/* G-Streamer generic V4L element - Tuner interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4ltuner.h: tuner interface implementation for V4L
+ *
+ * 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_V4L_TUNER_H__
+#define __GST_V4L_TUNER_H__
+
+#include <gst/gst.h>
+#include <gst/tuner/tuner.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_V4L_TUNER_CHANNEL \
+ (gst_v4l_tuner_channel_get_type ())
+#define GST_V4L_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L_TUNER_CHANNEL, \
+ GstV4lTunerChannel))
+#define GST_V4L_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L_TUNER_CHANNEL, \
+ GstV4lTunerChannelClass))
+#define GST_IS_V4L_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L_TUNER_CHANNEL))
+#define GST_IS_V4L_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L_TUNER_CHANNEL))
+
+typedef struct _GstV4lTunerChannel {
+ GstTunerChannel parent;
+
+ gint index;
+ gint tuner;
+ gint audio;
+} GstV4lTunerChannel;
+
+typedef struct _GstV4lTunerChannelClass {
+ GstTunerChannelClass parent;
+} GstV4lTunerChannelClass;
+
+#define GST_TYPE_V4L_TUNER_NORM \
+ (gst_v4l_tuner_norm_get_type ())
+#define GST_V4L_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L_TUNER_NORM, \
+ GstV4lTunerNorm))
+#define GST_V4L_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L_TUNER_NORM, \
+ GstV4lTunerNormClass))
+#define GST_IS_V4L_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L_TUNER_NORM))
+#define GST_IS_V4L_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L_TUNER_NORM))
+
+typedef struct _GstV4lTunerNorm {
+ GstTunerNorm parent;
+
+ gint index;
+} GstV4lTunerNorm;
+
+typedef struct _GstV4lTunerNormClass {
+ GstTunerNormClass parent;
+} GstV4lTunerNormClass;
+
+GType gst_v4l_tuner_channel_get_type (void);
+GType gst_v4l_tuner_norm_get_type (void);
+
+void gst_v4l_tuner_interface_init (GstTunerClass *klass);
+
+#endif /* __GST_V4L_TUNER_H__ */
--- /dev/null
+/* GStreamer X-based overlay interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4lxoverlay.c: X-based overlay interface implementation for V4L
+ *
+ * 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 <gst/xoverlay/xoverlay.h>
+#include <gst/xwindowlistener/xwindowlistener.h>
+
+#include "gstv4lxoverlay.h"
+#include "gstv4lelement.h"
+#include "v4l_calls.h"
+
+static void gst_v4l_xoverlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id);
+
+void
+gst_v4l_xoverlay_interface_init (GstXOverlayClass *klass)
+{
+ /* default virtual functions */
+ klass->set_xwindow_id = gst_v4l_xoverlay_set_xwindow_id;
+}
+
+GstXWindowListener *
+gst_v4l_xoverlay_new (GstV4lElement *v4lelement)
+{
+ GstXWindowListener *xwin =
+ gst_x_window_listener_new (NULL,
+ (MapWindowFunc) gst_v4l_enable_overlay,
+ (SetWindowFunc) gst_v4l_set_window,
+ (gpointer) v4lelement);
+
+ v4lelement->overlay = xwin;
+ v4lelement->xwindow_id = 0;
+
+ return xwin;
+}
+
+void
+gst_v4l_xoverlay_free (GstV4lElement *v4lelement)
+{
+ gst_v4l_xoverlay_close (v4lelement);
+ g_object_unref (G_OBJECT (v4lelement->overlay));
+ v4lelement->overlay = NULL;
+}
+
+void
+gst_v4l_xoverlay_open (GstV4lElement *v4lelement)
+{
+ GstXWindowListener *xwin = v4lelement->overlay;
+
+ if (xwin != NULL) {
+ xwin->display_name = g_strdup (v4lelement->display);
+
+ if (v4lelement->xwindow_id != 0 &&
+ xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ gst_x_window_listener_set_xid (xwin, v4lelement->xwindow_id);
+ }
+ }
+}
+
+void
+gst_v4l_xoverlay_close (GstV4lElement *v4lelement)
+{
+ GstXWindowListener *xwin = v4lelement->overlay;
+
+ if (xwin != NULL) {
+ if (v4lelement->xwindow_id != 0 &&
+ xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ gst_x_window_listener_set_xid (xwin, 0);
+ }
+
+ g_free (xwin->display_name);
+ xwin->display_name = NULL;
+ }
+}
+
+static void
+gst_v4l_xoverlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id)
+{
+ GstV4lElement *v4lelement = GST_V4LELEMENT (overlay);
+ GstXWindowListener *xwin = v4lelement->overlay;
+
+ if (v4lelement->xwindow_id == xwindow_id) {
+ return;
+ }
+
+ if (gst_element_get_state (GST_ELEMENT (v4lelement)) != GST_STATE_NULL &&
+ v4lelement->xwindow_id != 0 &&
+ xwin && xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ gst_x_window_listener_set_xid (xwin, 0);
+ }
+
+ v4lelement->xwindow_id = xwindow_id;
+
+ if (gst_element_get_state (GST_ELEMENT (v4lelement)) != GST_STATE_NULL &&
+ v4lelement->xwindow_id != 0 &&
+ xwin && xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ gst_x_window_listener_set_xid (xwin, v4lelement->xwindow_id);
+ }
+}
--- /dev/null
+/* G-Streamer generic V4L element - X overlay interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4lxoverlay.h: tv mixer interface implementation for V4L
+ *
+ * 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_V4L_X_OVERLAY_H__
+#define __GST_V4L_X_OVERLAY_H__
+
+#include <gst/gst.h>
+#include <gst/xoverlay/xoverlay.h>
+
+#include "gstv4lelement.h"
+
+G_BEGIN_DECLS
+
+void gst_v4l_xoverlay_interface_init (GstXOverlayClass *klass);
+
+GstXWindowListener *
+ gst_v4l_xoverlay_new (GstV4lElement *v4lelement);
+void gst_v4l_xoverlay_free (GstV4lElement *v4lelement);
+
+/* signal handlers */
+void gst_v4l_xoverlay_open (GstV4lElement *v4lelement);
+void gst_v4l_xoverlay_close (GstV4lElement *v4lelement);
+
+#endif /* __GST_V4L_X_OVERLAY_H__ */
******************************************************/
gboolean
-gst_v4l_set_overlay (GstV4lElement *v4lelement,
- gchar *display)
+gst_v4l_set_overlay (GstV4lElement *v4lelement)
{
gchar *buff;
- DEBUG("setting display to '%s'", display);
+ if (v4lelement->display)
+ g_free(v4lelement->display);
+ v4lelement->display = g_strdup(g_getenv("DISPLAY"));
+
+ DEBUG("setting display to '%s'", v4lelement->display);
GST_V4L_CHECK_NOT_OPEN(v4lelement);
+ if (!v4lelement->display || v4lelement->display[0] != ':')
+ return FALSE;
+
/* start v4l-conf */
buff = g_strdup_printf("v4l-conf -q -c %s -d %s",
- v4lelement->videodev?v4lelement->videodev:"/dev/video", display);
+ v4lelement->videodev, v4lelement->display);
switch (system(buff))
{
case -1:
- gst_element_error(GST_ELEMENT(v4lelement),
- "Could not start v4l-conf: %s", g_strerror(errno));
+ g_warning("Could not start v4l-conf: %s", g_strerror(errno));
g_free(buff);
return FALSE;
case 0:
break;
default:
- gst_element_error(GST_ELEMENT(v4lelement),
- "v4l-conf failed to run correctly: %s", g_strerror(errno));
+ g_warning("v4l-conf failed to run correctly: %s", g_strerror(errno));
g_free(buff);
return FALSE;
}
#include <errno.h>
#include <unistd.h>
+#include <gst/gst.h>
+#include <gst/tuner/tuner.h>
+#include <gst/colorbalance/colorbalance.h>
+
#include "v4l_calls.h"
+#include "gstv4ltuner.h"
+#include "gstv4lcolorbalance.h"
#define DEBUG(format, args...) \
GST_DEBUG_OBJECT (\
"V4L: " format, ##args)
-const char *picture_name[] = {
+static const char *picture_name[] = {
"Hue",
"Brightness",
"Contrast",
NULL
};
-const char *audio_name[] = {
+static const char *audio_name[] = {
"Volume",
"Mute",
"Mode",
NULL
};
-const char *norm_name[] = {
+static const char *norm_name[] = {
"PAL",
"NTSC",
"SECAM",
gst_v4l_open (GstV4lElement *v4lelement)
{
int num;
- GParamSpec *spec;
DEBUG("opening device %s", v4lelement->videodev);
GST_V4L_CHECK_NOT_OPEN(v4lelement);
GST_V4L_CHECK_NOT_ACTIVE(v4lelement);
/* be sure we have a device */
- if (!v4lelement->videodev)
- v4lelement->videodev = g_strdup("/dev/video");
+ if (!v4lelement->videodev) {
+ gst_element_error (GST_ELEMENT (v4lelement),
+ "No device given - open failed");
+ return FALSE;
+ }
/* open the device */
v4lelement->video_fd = open(v4lelement->videodev, O_RDWR);
gst_info("Opened device \'%s\' (\'%s\') successfully\n",
v4lelement->vcap.name, v4lelement->videodev);
- for (num=0;norm_name[num]!=NULL;num++)
- v4lelement->norm_names = g_list_append(v4lelement->norm_names, (gpointer)norm_name[num]);
- v4lelement->input_names = gst_v4l_get_chan_names(v4lelement);
+ /* norms + inputs, for the tuner interface */
+ for (num=0;norm_name[num]!=NULL;num++) {
+ GstV4lTunerNorm *v4lnorm = g_object_new (GST_TYPE_V4L_TUNER_NORM,
+ NULL);
+ GstTunerNorm *norm = GST_TUNER_NORM (v4lnorm);
+
+ norm->label = g_strdup (norm_name[num]);
+ norm->fps = (num == 1) ? (30000./1001) : 25.;
+ v4lnorm->index = num;
+ v4lelement->norms = g_list_append(v4lelement->norms,
+ (gpointer) norm);
+ }
+ v4lelement->channels = gst_v4l_get_chan_names(v4lelement);
for (num=0;picture_name[num]!=NULL;num++)
{
- spec = g_param_spec_int(picture_name[num], picture_name[num],
- picture_name[num], 0, 65535, 32768,
- G_PARAM_READWRITE);
- v4lelement->control_specs = g_list_append(v4lelement->control_specs, spec);
+ GstV4lColorBalanceChannel *v4lchannel =
+ g_object_new (GST_TYPE_V4L_COLOR_BALANCE_CHANNEL, NULL);
+ GstColorBalanceChannel *channel = GST_COLOR_BALANCE_CHANNEL (v4lchannel);
+ channel->label = g_strdup (picture_name[num]);
+ channel->min_value = 0;
+ channel->max_value = 65535;
+ v4lchannel->index = num;
+ v4lelement->colors = g_list_append(v4lelement->colors, channel);
}
- spec = g_param_spec_boolean("mute", "mute", "mute", TRUE, G_PARAM_READWRITE);
- v4lelement->control_specs = g_list_append(v4lelement->control_specs, spec);
- spec = g_param_spec_int("volume", "volume", "volume",
- 0, 65535, 0, G_PARAM_READWRITE);
- v4lelement->control_specs = g_list_append(v4lelement->control_specs, spec);
+
+ DEBUG("Setting default norm/input");
+ gst_v4l_set_chan_norm (v4lelement, 0, 0);
return TRUE;
}
close(v4lelement->video_fd);
v4lelement->video_fd = -1;
- while (g_list_length(v4lelement->input_names) > 0)
- {
- gpointer data = g_list_nth_data(v4lelement->input_names, 0);
- v4lelement->input_names = g_list_remove(v4lelement->input_names, data);
- g_free(data);
- }
- g_list_free(v4lelement->norm_names);
- v4lelement->norm_names = NULL;
- while (g_list_length(v4lelement->control_specs) > 0)
- {
- gpointer data = g_list_nth_data(v4lelement->control_specs, 0);
- v4lelement->control_specs = g_list_remove(v4lelement->control_specs, data);
- g_param_spec_unref(G_PARAM_SPEC(data));
- }
+ g_list_foreach (v4lelement->channels, (GFunc) g_object_unref, NULL);
+ g_list_free (v4lelement->channels);
+ v4lelement->channels = NULL;
+
+ g_list_foreach (v4lelement->norms, (GFunc) g_object_unref, NULL);
+ g_list_free (v4lelement->norms);
+ v4lelement->norms = NULL;
+
+ g_list_foreach (v4lelement->colors, (GFunc) g_object_unref, NULL);
+ g_list_free (v4lelement->colors);
+ v4lelement->colors = NULL;
return TRUE;
}
gst_v4l_get_chan_names (GstV4lElement *v4lelement)
{
struct video_channel vchan;
+ const GList *pads = gst_element_get_pad_list (GST_ELEMENT (v4lelement));
GList *list = NULL;
gint i;
if (!GST_V4L_IS_OPEN(v4lelement))
return NULL;
+ /* sinks don't have inputs in v4l */
+ if (pads && g_list_length ((GList *) pads) == 1)
+ if (GST_PAD_DIRECTION (GST_PAD (pads->data)) == GST_PAD_SINK)
+ return NULL;
+
for (i=0;i<gst_v4l_get_num_chans(v4lelement);i++)
{
+ GstV4lTunerChannel *v4lchannel = g_object_new (GST_TYPE_V4L_TUNER_CHANNEL,
+ NULL);
+ GstTunerChannel *channel = GST_TUNER_CHANNEL (v4lchannel);
+
vchan.channel = i;
if (ioctl(v4lelement->video_fd, VIDIOCGCHAN, &vchan) < 0)
- return NULL;
- list = g_list_append(list, (gpointer)g_strdup(vchan.name));
+ return NULL; /* memleak... */
+ channel->label = g_strdup (vchan.name);
+ channel->flags = GST_TUNER_CHANNEL_INPUT;
+ v4lchannel->index = i;
+ if (vchan.flags & VIDEO_VC_TUNER) {
+ struct video_tuner vtun;
+ gint n;
+
+ for (n = 0; ; n++) {
+ vtun.tuner = n;
+ if (ioctl(v4lelement->video_fd, VIDIOCGTUNER, &vtun) < 0)
+ break; /* no more tuners */
+ if (!strcmp(vtun.name, vchan.name)) {
+ v4lchannel->tuner = n;
+ channel->flags |= GST_TUNER_CHANNEL_FREQUENCY;
+ channel->min_frequency = vtun.rangelow;
+ channel->max_frequency = vtun.rangehigh;
+ channel->min_signal = 0;
+ channel->max_signal = 0xffff;
+ break;
+ }
+ }
+ }
+ if (vchan.flags & VIDEO_VC_AUDIO) {
+ struct video_audio vaud;
+ gint n;
+
+ for (n = 0; n < v4lelement->vcap.audios; n++) {
+ vaud.audio = n;
+ if (ioctl(v4lelement->video_fd, VIDIOCGAUDIO, &vaud) < 0)
+ continue;
+ if (!strcmp(vaud.name, vchan.name)) {
+ v4lchannel->audio = n;
+ channel->flags |= GST_TUNER_CHANNEL_AUDIO;
+ break;
+ }
+ }
+ }
+ list = g_list_append(list, (gpointer) channel);
}
return list;
/******************************************************
- * gst_v4l_has_tuner():
- * return value: TRUE if it has a tuner, else FALSE
- ******************************************************/
-
-gboolean
-gst_v4l_has_tuner (GstV4lElement *v4lelement)
-{
- DEBUG("checking whether device has a tuner");
- GST_V4L_CHECK_OPEN(v4lelement);
-
- return v4lelement->vcap.type & VID_TYPE_TUNER;
-}
-
-
-/******************************************************
* gst_v4l_get_signal():
* get the current signal
* return value: TRUE on success, FALSE on error
gboolean
gst_v4l_get_signal (GstV4lElement *v4lelement,
- guint *signal)
+ gint tunernum,
+ guint *signal)
{
- struct video_tuner tuner;
+ struct video_tuner tuner;
DEBUG("getting tuner signal");
GST_V4L_CHECK_OPEN(v4lelement);
- if (!gst_v4l_has_tuner(v4lelement))
- return FALSE;
-
- tuner.tuner = 0;
+ tuner.tuner = tunernum;
if (ioctl(v4lelement->video_fd, VIDIOCGTUNER, &tuner) < 0)
{
gst_element_error(GST_ELEMENT(v4lelement),
gboolean
gst_v4l_get_frequency (GstV4lElement *v4lelement,
+ gint tunernum,
gulong *frequency)
{
+ struct video_tuner vtun;
+
DEBUG("getting tuner frequency");
GST_V4L_CHECK_OPEN(v4lelement);
- if (!gst_v4l_has_tuner(v4lelement))
+ /* check that this is the current input */
+ vtun.tuner = tunernum;
+ if (ioctl (v4lelement->video_fd, VIDIOCGTUNER, &vtun) < 0)
+ return FALSE;
+ if (strcmp(vtun.name, v4lelement->vchan.name))
return FALSE;
if (ioctl(v4lelement->video_fd, VIDIOCGFREQ, frequency) < 0)
gboolean
gst_v4l_set_frequency (GstV4lElement *v4lelement,
- gulong frequency)
+ gint tunernum,
+ gulong frequency)
{
+ struct video_tuner vtun;
+
DEBUG("setting tuner frequency to %lu", frequency);
GST_V4L_CHECK_OPEN(v4lelement);
-
- if (!gst_v4l_has_tuner(v4lelement))
+
+ /* check that this is the current input */
+ vtun.tuner = tunernum;
+ if (ioctl (v4lelement->video_fd, VIDIOCGTUNER, &vtun) < 0)
+ return FALSE;
+ if (strcmp(vtun.name, v4lelement->vchan.name))
return FALSE;
if (ioctl(v4lelement->video_fd, VIDIOCSFREQ, &frequency) < 0)
/******************************************************
- * gst_v4l_has_audio():
- * return value: TRUE if it can do audio, else FALSE
- ******************************************************/
-
-gboolean
-gst_v4l_has_audio (GstV4lElement *v4lelement)
-{
- DEBUG("checking whether device has audio");
- GST_V4L_CHECK_OPEN(v4lelement);
-
- return v4lelement->vcap.audios > 0;
-}
-
-
-/******************************************************
* gst_v4l_get_audio():
* get some audio value
* return value: TRUE on success, FALSE on error
gboolean
gst_v4l_get_audio (GstV4lElement *v4lelement,
+ gint audionum,
GstV4lAudioType type,
gint *value)
{
type, audio_name[type]);
GST_V4L_CHECK_OPEN(v4lelement);
- if (!gst_v4l_has_audio(v4lelement))
- return FALSE;
-
+ vau.audio = audionum;
if (ioctl(v4lelement->video_fd, VIDIOCGAUDIO, &vau) < 0)
{
gst_element_error(GST_ELEMENT(v4lelement),
gboolean
gst_v4l_set_audio (GstV4lElement *v4lelement,
+ gint audionum,
GstV4lAudioType type,
gint value)
{
type, audio_name[type], value);
GST_V4L_CHECK_OPEN(v4lelement);
- if (!gst_v4l_has_audio(v4lelement))
- return FALSE;
-
+ vau.audio = audionum;
if (ioctl(v4lelement->video_fd, VIDIOCGAUDIO, &vau) < 0)
{
gst_element_error(GST_ELEMENT(v4lelement),
V4L_PICTURE_SATURATION,
} GstV4lPictureType;
-extern const char *picture_name[];
-
typedef enum {
V4L_AUDIO_VOLUME = 0,
V4L_AUDIO_MUTE,
V4L_AUDIO_MODE, /* stereo, mono, ... (see videodev.h) */
} GstV4lAudioType;
-extern const char *audio_name[];
-
-extern const char *norm_name[];
-
/* open/close the device */
gboolean gst_v4l_open (GstV4lElement *v4lelement);
gboolean gst_v4l_close (GstV4lElement *v4lelement);
/* norm control (norm = VIDEO_MODE_{PAL|NTSC|SECAM|AUTO}) */
-gint gst_v4l_get_num_chans (GstV4lElement *v4lelement);
-gboolean gst_v4l_get_chan_norm (GstV4lElement *v4lelement, gint *channel, gint *norm);
-gboolean gst_v4l_set_chan_norm (GstV4lElement *v4lelement, gint channel, gint norm);
+gboolean gst_v4l_get_chan_norm (GstV4lElement *v4lelement,
+ gint *channel,
+ gint *norm);
+gboolean gst_v4l_set_chan_norm (GstV4lElement *v4lelement,
+ gint channel,
+ gint norm);
GList *gst_v4l_get_chan_names (GstV4lElement *v4lelement);
/* frequency control */
-gboolean gst_v4l_has_tuner (GstV4lElement *v4lelement);
-gboolean gst_v4l_get_signal (GstV4lElement *v4lelement, guint *signal);
-gboolean gst_v4l_get_frequency (GstV4lElement *v4lelement, gulong *frequency);
-gboolean gst_v4l_set_frequency (GstV4lElement *v4lelement, gulong frequency);
+gboolean gst_v4l_get_signal (GstV4lElement *v4lelement,
+ gint tunernum,
+ guint *signal);
+gboolean gst_v4l_get_frequency (GstV4lElement *v4lelement,
+ gint tunernum,
+ gulong *frequency);
+gboolean gst_v4l_set_frequency (GstV4lElement *v4lelement,
+ gint tunernum,
+ gulong frequency);
/* picture control */
-gboolean gst_v4l_get_picture (GstV4lElement *v4lelement, GstV4lPictureType type, gint *value);
-gboolean gst_v4l_set_picture (GstV4lElement *v4lelement, GstV4lPictureType type, gint value);
+gboolean gst_v4l_get_picture (GstV4lElement *v4lelement,
+ GstV4lPictureType type,
+ gint *value);
+gboolean gst_v4l_set_picture (GstV4lElement *v4lelement,
+ GstV4lPictureType type,
+ gint value);
/* audio control */
-gboolean gst_v4l_has_audio (GstV4lElement *v4lelement);
-gboolean gst_v4l_get_audio (GstV4lElement *v4lelement, GstV4lAudioType type, gint *value);
-gboolean gst_v4l_set_audio (GstV4lElement *v4lelement, GstV4lAudioType type, gint value);
+gboolean gst_v4l_get_audio (GstV4lElement *v4lelement,
+ gint audionum,
+ GstV4lAudioType type,
+ gint *value);
+gboolean gst_v4l_set_audio (GstV4lElement *v4lelement,
+ gint audionum,
+ GstV4lAudioType type,
+ gint value);
/* overlay */
-gboolean gst_v4l_set_overlay (GstV4lElement *v4lelement, gchar *display);
-gboolean gst_v4l_set_window (GstElement *element, gint x, gint y,
- gint w, gint h,
- struct video_clip *clips, gint num_clips);
-gboolean gst_v4l_enable_overlay (GstV4lElement *v4lelement, gboolean enable);
+gboolean gst_v4l_set_overlay (GstV4lElement *v4lelement);
+gboolean gst_v4l_set_window (GstElement *element,
+ gint x, gint y,
+ gint w, gint h,
+ struct video_clip *clips,
+ gint num_clips);
+gboolean gst_v4l_enable_overlay (GstV4lElement *v4lelement,
+ gboolean enable);
#ifdef __cplusplus
GST_ELEMENT(v4lmjpegsrc), \
"V4LMJPEGSRC: " format, ##args)
-
-char *input_name[] = { "Composite", "S-Video", "TV-Tuner", "Autodetect" };
-
enum {
QUEUE_STATE_ERROR = -1,
QUEUE_STATE_READY_FOR_QUEUE,
/******************************************************
- * gst_v4lmjpegsrc_set_input_norm():
- * set input/norm (includes autodetection), norm is
- * VIDEO_MODE_{PAL|NTSC|SECAM|AUTO}
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-
-gboolean
-gst_v4lmjpegsrc_set_input_norm (GstV4lMjpegSrc *v4lmjpegsrc,
- GstV4lMjpegInputType input,
- gint norm)
-{
- struct mjpeg_status bstat;
-
- DEBUG("setting input = %d (%s), norm = %d (%s)",
- input, input_name[input], norm, norm_name[norm]);
-
- GST_V4L_CHECK_OPEN(GST_V4LELEMENT(v4lmjpegsrc));
- GST_V4L_CHECK_NOT_ACTIVE(GST_V4LELEMENT(v4lmjpegsrc));
-
- if (input == V4L_MJPEG_INPUT_AUTO)
- {
- int n;
-
- for (n=V4L_MJPEG_INPUT_COMPOSITE;n<V4L_MJPEG_INPUT_AUTO;n++)
- {
- gst_info("Trying %s as input...\n",
- input_name[n]);
- bstat.input = n;
-
- if (ioctl(GST_V4LELEMENT(v4lmjpegsrc)->video_fd, MJPIOC_G_STATUS, &bstat) < 0)
- {
- gst_element_error(GST_ELEMENT(v4lmjpegsrc),
- "Error getting device status: %s",
- g_strerror(errno));
- return FALSE;
- }
-
- if (bstat.signal)
- {
- input = bstat.input;
- if (norm == VIDEO_MODE_AUTO)
- norm = bstat.norm;
- gst_info("Signal found: on input %s, norm %s\n",
- input_name[bstat.input], norm_name[bstat.norm]);
- break;
- }
- }
-
- /* check */
- if (input == V4L_MJPEG_INPUT_AUTO || norm == VIDEO_MODE_AUTO)
- {
- gst_element_error(GST_ELEMENT(v4lmjpegsrc),
- "Unable to auto-detect an input");
- return FALSE;
- }
-
- /* save */
- GST_V4LELEMENT(v4lmjpegsrc)->channel = input;
- GST_V4LELEMENT(v4lmjpegsrc)->norm = norm;
- }
- else if (norm == VIDEO_MODE_AUTO && input)
- {
- bstat.input = input;
-
- if (ioctl(GST_V4LELEMENT(v4lmjpegsrc)->video_fd, MJPIOC_G_STATUS, &bstat) < 0)
- {
- gst_element_error(GST_ELEMENT(v4lmjpegsrc),
- "Error getting device status: %s",
- g_strerror(errno));
- return FALSE;
- }
-
- if (bstat.signal)
- {
- norm = bstat.norm;
- gst_info("Norm %s detected on input %s\n",
- norm_name[bstat.norm], input_name[input]);
- GST_V4LELEMENT(v4lmjpegsrc)->norm = norm;
- }
- else
- {
- gst_element_error(GST_ELEMENT(v4lmjpegsrc),
- "No signal found on input %s",
- input_name[input]);
- return FALSE;
- }
- }
-
- return gst_v4l_set_chan_norm(GST_V4LELEMENT(v4lmjpegsrc), input, norm);
-}
-
-
-/******************************************************
* gst_v4lmjpegsrc_set_buffer():
* set buffer parameters (size/count)
* return value: TRUE on success, FALSE on error
#endif /* __cplusplus */
-typedef enum {
- V4L_MJPEG_INPUT_COMPOSITE = 0,
- V4L_MJPEG_INPUT_SVIDEO = 1,
- V4L_MJPEG_INPUT_TVTUNER = 2,
- V4L_MJPEG_INPUT_AUTO = 3,
-} GstV4lMjpegInputType;
-
-extern char *input_name[];
-
-
-/* set input/norm (includes autodetection, norm = VIDEO_MODE_{PAL|NTSC|SECAM|AUTO}) */
-gboolean gst_v4lmjpegsrc_set_input_norm (GstV4lMjpegSrc *v4lmjpegsrc,
- GstV4lMjpegInputType input,
- gint norm);
-
/* frame grabbing/capture */
gboolean gst_v4lmjpegsrc_set_buffer (GstV4lMjpegSrc *v4lmjpegsrc,
gint numbufs,
projects / platform / upstream / gst-plugins-base.git / commitdiff