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
+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>
+ *
+ * gstv4l2colorbalance.c: color balance interface implementation for V4L2
+ *
+ * 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 "gstv4l2colorbalance.h"
+#include "gstv4l2element.h"
+
+static void
+gst_v4l2_color_balance_channel_class_init(GstV4l2ColorBalanceChannelClass *klass);
+static void
+gst_v4l2_color_balance_channel_init (GstV4l2ColorBalanceChannel *channel);
+
+static const GList *
+gst_v4l2_color_balance_list_channels (GstColorBalance *balance);
+static void
+gst_v4l2_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value);
+static gint
+gst_v4l2_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel);
+
+static GstColorBalanceChannelClass *parent_class = NULL;
+
+GType
+gst_v4l2_color_balance_channel_get_type (void)
+{
+ static GType gst_v4l2_color_balance_channel_type = 0;
+
+ if (!gst_v4l2_color_balance_channel_type) {
+ static const GTypeInfo v4l2_tuner_channel_info = {
+ sizeof (GstV4l2ColorBalanceChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_v4l2_color_balance_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstV4l2ColorBalanceChannel),
+ 0,
+ (GInstanceInitFunc) gst_v4l2_color_balance_channel_init,
+ NULL
+ };
+
+ gst_v4l2_color_balance_channel_type =
+ g_type_register_static (GST_TYPE_COLOR_BALANCE_CHANNEL,
+ "GstV4l2ColorBalanceChannel",
+ &v4l2_tuner_channel_info, 0);
+ }
+
+ return gst_v4l2_color_balance_channel_type;
+}
+
+static void
+gst_v4l2_color_balance_channel_class_init (GstV4l2ColorBalanceChannelClass *klass)
+{
+ parent_class = g_type_class_ref (GST_TYPE_COLOR_BALANCE_CHANNEL);
+}
+
+static void
+gst_v4l2_color_balance_channel_init (GstV4l2ColorBalanceChannel *channel)
+{
+ channel->index = 0;
+}
+
+void
+gst_v4l2_color_balance_interface_init (GstColorBalanceClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = gst_v4l2_color_balance_list_channels;
+ klass->set_value = gst_v4l2_color_balance_set_value;
+ klass->get_value = gst_v4l2_color_balance_get_value;
+}
+
+static gboolean
+gst_v4l2_color_balance_contains_channel (GstV4l2Element *v4l2element,
+ GstV4l2ColorBalanceChannel *v4l2channel)
+{
+ const GList *item;
+
+ for (item = v4l2element->colors; item != NULL; item = item->next)
+ if (item->data == v4l2channel)
+ return TRUE;
+
+ return FALSE;
+}
+
+static const GList *
+gst_v4l2_color_balance_list_channels (GstColorBalance *balance)
+{
+ return GST_V4L2ELEMENT (balance)->colors;
+}
+
+static void
+gst_v4l2_color_balance_set_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel,
+ gint value)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (balance);
+ GstV4l2ColorBalanceChannel *v4l2channel =
+ GST_V4L2_COLOR_BALANCE_CHANNEL (channel);
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L2_IS_OPEN (v4l2element));
+ g_return_if_fail (gst_v4l2_color_balance_contains_channel (v4l2element,
+ v4l2channel));
+
+ gst_v4l2_set_attribute (v4l2element, v4l2channel->index, value);
+}
+
+static gint
+gst_v4l2_color_balance_get_value (GstColorBalance *balance,
+ GstColorBalanceChannel *channel)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (balance);
+ GstV4l2ColorBalanceChannel *v4l2channel =
+ GST_V4L2_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_V4L2_IS_OPEN (v4l2element), 0);
+ g_return_val_if_fail (gst_v4l2_color_balance_contains_channel (v4l2element,
+ v4l2channel),
+ 0);
+
+ if (!gst_v4l2_get_attribute (v4l2element, v4l2channel->index, &value))
+ return 0;
+
+ return value;
+}
--- /dev/null
+/* G-Streamer generic V4L2 element - Color Balance interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4l2colorbalance.h: color balance interface implementation for V4L2
+ *
+ * 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_V4L2_COLOR_BALANCE_H__
+#define __GST_V4L2_COLOR_BALANCE_H__
+
+#include <gst/gst.h>
+#include <gst/colorbalance/colorbalance.h>
+#include "v4l2_calls.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL \
+ (gst_v4l2_color_balance_channel_get_type ())
+#define GST_V4L2_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
+ GstV4l2ColorBalanceChannel))
+#define GST_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
+ GstV4l2ColorBalanceChannelClass))
+#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL))
+#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL))
+
+typedef struct _GstV4l2ColorBalanceChannel {
+ GstColorBalanceChannel parent;
+
+ guint32 index;
+} GstV4l2ColorBalanceChannel;
+
+typedef struct _GstV4l2ColorBalanceChannelClass {
+ GstColorBalanceChannelClass parent;
+} GstV4l2ColorBalanceChannelClass;
+
+GType gst_v4l2_color_balance_channel_get_type (void);
+
+void gst_v4l2_color_balance_interface_init (GstColorBalanceClass *klass);
+
+#endif /* __GST_V4L2_COLOR_BALANCE_H__ */
+++ /dev/null
-BOOLEAN:INT,INT,INT,INT,POINTER,INT
-BOOLEAN:STRING,INT
-BOOLEAN:STRING,POINTER
#endif
#include "v4l2_calls.h"
-#include "gstv4l2element-marshal.h"
+#include "gstv4l2tuner.h"
+#include "gstv4l2xoverlay.h"
+#include "gstv4l2colorbalance.h"
/* elementfactory details */
static GstElementDetails gst_v4l2element_details = {
"Generic video4linux2 Element",
- "None/Video",
+ "Generic/Video",
"LGPL",
"Generic plugin for handling common video4linux2 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_OUTPUT,
- ARG_OUTPUT_NAMES,
- ARG_NORM,
- ARG_NORM_NAMES,
- ARG_HAS_TUNER,
- ARG_FREQUENCY,
- ARG_SIGNAL_STRENGTH,
- ARG_HAS_AUDIO,
- ARG_ATTRIBUTES,
ARG_DEVICE,
ARG_DEVICE_NAME,
- ARG_DEVICE_HAS_CAPTURE,
- ARG_DEVICE_HAS_OVERLAY,
- ARG_DEVICE_HAS_PLAYBACK,
- ARG_DISPLAY,
- ARG_DO_OVERLAY,
+ ARG_FLAGS
};
-static void gst_v4l2element_class_init (GstV4l2ElementClass *klass);
-static void gst_v4l2element_init (GstV4l2Element *v4lelement);
-static void gst_v4l2element_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gst_v4l2element_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-static GstElementStateReturn gst_v4l2element_change_state (GstElement *element);
+static void gst_v4l2element_class_init (GstV4l2ElementClass *klass);
+static void gst_v4l2element_init (GstV4l2Element *v4lelement);
+static void gst_v4l2element_dispose (GObject *object);
+static void gst_v4l2element_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gst_v4l2element_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static GstElementStateReturn
+ gst_v4l2element_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
static guint gst_v4l2element_signals[LAST_SIGNAL] = { 0 };
+static gboolean
+gst_v4l2_iface_supported (GstInterface *iface,
+ GType iface_type)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (iface);
+
+ g_assert (iface_type == GST_TYPE_TUNER ||
+ iface_type == GST_TYPE_X_OVERLAY ||
+ iface_type == GST_TYPE_COLOR_BALANCE);
+
+ if (v4l2element->video_fd == -1)
+ return FALSE;
+
+ if (iface_type == GST_TYPE_X_OVERLAY &&
+ !GST_V4L2_IS_OVERLAY(v4l2element))
+ return FALSE;
+
+ return TRUE;
+}
+
+
+static void
+gst_v4l2_interface_init (GstInterfaceClass *klass)
+{
+ /* default virtual functions */
+ klass->supported = gst_v4l2_iface_supported;
+}
+
+
GType
gst_v4l2element_get_type (void)
{
(GInstanceInitFunc) gst_v4l2element_init,
NULL
};
- v4l2element_type = g_type_register_static(GST_TYPE_ELEMENT,
- "GstV4l2Element", &v4l2element_info, 0);
+ static const GInterfaceInfo v4l2iface_info = {
+ (GInterfaceInitFunc) gst_v4l2_interface_init,
+ NULL,
+ NULL,
+ };
+ static const GInterfaceInfo v4l2_tuner_info = {
+ (GInterfaceInitFunc) gst_v4l2_tuner_interface_init,
+ NULL,
+ NULL,
+ };
+ static const GInterfaceInfo v4l2_xoverlay_info = {
+ (GInterfaceInitFunc) gst_v4l2_xoverlay_interface_init,
+ NULL,
+ NULL,
+ };
+ static const GInterfaceInfo v4l2_colorbalance_info = {
+ (GInterfaceInitFunc) gst_v4l2_color_balance_interface_init,
+ NULL,
+ NULL,
+ };
+
+ v4l2element_type =
+ g_type_register_static(GST_TYPE_ELEMENT,
+ "GstV4l2Element", &v4l2element_info, 0);
+
+ g_type_add_interface_static (v4l2element_type,
+ GST_TYPE_INTERFACE,
+ &v4l2iface_info);
+ g_type_add_interface_static (v4l2element_type,
+ GST_TYPE_TUNER,
+ &v4l2_tuner_info);
+ g_type_add_interface_static (v4l2element_type,
+ GST_TYPE_X_OVERLAY,
+ &v4l2_xoverlay_info);
+ g_type_add_interface_static (v4l2element_type,
+ GST_TYPE_COLOR_BALANCE,
+ &v4l2_colorbalance_info);
}
+
return v4l2element_type;
}
+#define GST_TYPE_V4L2_DEVICE_FLAGS (gst_v4l2_device_get_type ())
+GType
+gst_v4l2_device_get_type (void)
+{
+ static GType v4l2_device_type = 0;
+
+ if (v4l2_device_type == 0) {
+ static const GFlagsValue values[] = {
+ { V4L2_CAP_VIDEO_CAPTURE, "CAPTURE",
+ "Device can capture" },
+ { V4L2_CAP_VIDEO_OUTPUT, "PLAYBACK",
+ "Device can playback" },
+ { V4L2_CAP_VIDEO_OVERLAY, "OVERLAY",
+ "Device can do overlay" },
+ { V4L2_CAP_TUNER, "TUNER",
+ "Device has a tuner" },
+ { V4L2_CAP_AUDIO, "AUDIO",
+ "Device handles audio" },
+ { 0, NULL, NULL }
+ };
+
+ v4l2_device_type =
+ g_flags_register_static ("GstV4l2DeviceTypeFlags",
+ values);
+ }
+
+ return v4l2_device_type;
+}
+
static void
gst_v4l2element_class_init (GstV4l2ElementClass *klass)
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_OUTPUT,
- g_param_spec_int("output","output","output",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OUTPUT_NAMES,
- g_param_spec_pointer("output_names","output_names","output_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_STRENGTH,
- g_param_spec_ulong("signal_strength","signal_strength","signal_strength",
- 0,G_MAXULONG,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_ATTRIBUTES,
- g_param_spec_pointer("attributes","attributes","attributes",
- 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_HAS_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_HAS_PLAYBACK,
- g_param_spec_boolean("can_playback","can_playback","can_playback",
- 0,G_PARAM_READABLE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE_HAS_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_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_v4l2element_signals[SIGNAL_SET_VIDEOWINDOW] =
- g_signal_new ("set_videowindow",
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET(GstV4l2ElementClass, set_videowindow),
- NULL, NULL,
- gstv4l2_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_v4l2_set_window;
- gst_v4l2element_signals[SIGNAL_GET_ATTRIBUTE] =
- g_signal_new ("get_attribute",
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET(GstV4l2ElementClass, get_attribute),
- NULL, NULL,
- gstv4l2_cclosure_marshal_BOOLEAN__STRING_POINTER,
- G_TYPE_BOOLEAN, 2, G_TYPE_STRING, G_TYPE_POINTER);
- klass->get_attribute = gst_v4l2_get_attribute;
- gst_v4l2element_signals[SIGNAL_SET_ATTRIBUTE] =
- g_signal_new ("set_attribute",
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET(GstV4l2ElementClass, set_attribute),
- NULL, NULL,
- gstv4l2_cclosure_marshal_BOOLEAN__STRING_INT,
- G_TYPE_BOOLEAN, 2, G_TYPE_STRING, G_TYPE_INT);
- klass->set_attribute = gst_v4l2_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_V4L2_DEVICE_FLAGS, 0, G_PARAM_READABLE));
/* signals */
gst_v4l2element_signals[SIGNAL_OPEN] =
gobject_class->set_property = gst_v4l2element_set_property;
gobject_class->get_property = gst_v4l2element_get_property;
+ gobject_class->dispose = gst_v4l2element_dispose;
gstelement_class->change_state = gst_v4l2element_change_state;
}
/* some default values */
v4l2element->video_fd = -1;
v4l2element->buffer = NULL;
- v4l2element->device = NULL;
-
- v4l2element->norm = -1;
- v4l2element->channel = -1;
- v4l2element->output = -1;
- v4l2element->frequency = 0;
-
- v4l2element->controls = NULL;
- v4l2element->menus = NULL;
- v4l2element->control_specs = NULL;
- v4l2element->outputs = NULL;
- v4l2element->output_names = NULL;
- v4l2element->inputs = NULL;
- v4l2element->input_names = NULL;
+ v4l2element->device = g_strdup("/dev/video");
+ v4l2element->display = g_strdup(g_getenv("DISPLAY"));
+
+ v4l2element->channels = NULL;
v4l2element->norms = NULL;
- v4l2element->norm_names = NULL;
+ v4l2element->colors = NULL;
+
+ v4l2element->overlay = gst_v4l2_xoverlay_new(v4l2element);
}
static void
+gst_v4l2element_dispose (GObject *object)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT(object);
+
+ if (v4l2element->overlay) {
+ gst_v4l2_xoverlay_free(v4l2element);
+ }
+
+ if (v4l2element->display) {
+ g_free (v4l2element->display);
+ }
+
+ if (v4l2element->device) {
+ g_free (v4l2element->device);
+ }
+
+ if (((GObjectClass *) parent_class)->dispose)
+ ((GObjectClass *) parent_class)->dispose(object);
+}
+
+static void
gst_v4l2element_set_property (GObject *object,
guint prop_id,
const GValue *value,
v4l2element = GST_V4L2ELEMENT(object);
switch (prop_id) {
- case ARG_CHANNEL:
- v4l2element->channel = g_value_get_int(value);
- if (GST_V4L2_IS_OPEN(v4l2element) && !GST_V4L2_IS_ACTIVE(v4l2element)) {
- if (!gst_v4l2_set_input(v4l2element, g_value_get_int(value)))
- return;
- }
- break;
- case ARG_OUTPUT:
- v4l2element->output = g_value_get_int(value);
- if (GST_V4L2_IS_OPEN(v4l2element) && !GST_V4L2_IS_ACTIVE(v4l2element)) {
- if (!gst_v4l2_set_output(v4l2element, g_value_get_int(value)))
- return;
- }
- break;
- case ARG_NORM:
- v4l2element->norm = g_value_get_int(value);
- if (GST_V4L2_IS_OPEN(v4l2element) && !GST_V4L2_IS_ACTIVE(v4l2element)) {
- if (!gst_v4l2_set_norm(v4l2element, g_value_get_int(value)))
- return;
- }
- break;
- case ARG_FREQUENCY:
- v4l2element->frequency = g_value_get_ulong(value);
- if (GST_V4L2_IS_OPEN(v4l2element) && !GST_V4L2_IS_ACTIVE(v4l2element)) {
- if (!gst_v4l2_set_frequency(v4l2element, g_value_get_ulong(value)))
- return;
- }
- break;
case ARG_DEVICE:
if (!GST_V4L2_IS_OPEN(v4l2element)) {
if (v4l2element->device)
v4l2element->device = g_strdup(g_value_get_string(value));
}
break;
- case ARG_DISPLAY:
- if (!gst_v4l2_set_display(v4l2element, g_value_get_string(value)))
- return;
- break;
- case ARG_DO_OVERLAY:
- if (GST_V4L2_IS_OPEN(v4l2element)) {
- if (!gst_v4l2_enable_overlay(v4l2element, g_value_get_boolean(value)))
- return;
- }
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
GParamSpec *pspec)
{
GstV4l2Element *v4l2element;
- gint temp_i = 0;
- gulong temp_ul = 0;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_V4L2ELEMENT(object));
v4l2element = GST_V4L2ELEMENT(object);
switch (prop_id) {
- case ARG_CHANNEL:
- if (GST_V4L2_IS_OPEN(v4l2element))
- gst_v4l2_get_input(v4l2element, &temp_i);
- g_value_set_int(value, temp_i);
- break;
- case ARG_CHANNEL_NAMES:
- g_value_set_pointer(value, v4l2element->input_names);
- break;
- case ARG_OUTPUT:
- if (GST_V4L2_IS_OPEN(v4l2element))
- gst_v4l2_get_output(v4l2element, &temp_i);
- g_value_set_int(value, temp_i);
- break;
- case ARG_OUTPUT_NAMES:
- g_value_set_pointer(value, v4l2element->output_names);
- break;
- case ARG_NORM:
- if (GST_V4L2_IS_OPEN(v4l2element))
- gst_v4l2_get_norm(v4l2element, &temp_i);
- g_value_set_int(value, temp_i);
- break;
- case ARG_NORM_NAMES:
- g_value_set_pointer(value, v4l2element->norm_names);
- break;
- case ARG_HAS_TUNER:
- if (GST_V4L2_IS_OPEN(v4l2element))
- g_value_set_boolean(value,
- gst_v4l2_has_tuner(v4l2element, &temp_i));
- break;
- case ARG_FREQUENCY:
- if (GST_V4L2_IS_OPEN(v4l2element))
- gst_v4l2_get_frequency(v4l2element, &temp_ul);
- g_value_set_ulong(value, temp_ul);
- break;
- case ARG_SIGNAL_STRENGTH:
- if (GST_V4L2_IS_OPEN(v4l2element))
- gst_v4l2_signal_strength(v4l2element, &temp_ul);
- g_value_set_ulong(value, temp_ul);
- break;
- case ARG_HAS_AUDIO:
- if (GST_V4L2_IS_OPEN(v4l2element))
- temp_i = gst_v4l2_has_audio(v4l2element);
- g_value_set_boolean(value, temp_i>0?TRUE:FALSE);
- break;
- case ARG_ATTRIBUTES:
- g_value_set_pointer(value, v4l2element->control_specs);
- break;
case ARG_DEVICE:
g_value_set_string(value, v4l2element->device);
break;
- case ARG_DEVICE_NAME:
+ case ARG_DEVICE_NAME: {
+ gchar *new = NULL;
if (GST_V4L2_IS_OPEN(v4l2element))
- g_value_set_string(value, v4l2element->vcap.card);
- break;
- case ARG_DEVICE_HAS_CAPTURE:
- if (GST_V4L2_IS_OPEN(v4l2element) &&
- v4l2element->vcap.capabilities & V4L2_CAP_VIDEO_CAPTURE &&
- v4l2element->vcap.capabilities & V4L2_CAP_STREAMING)
- temp_i = 1;
- g_value_set_boolean(value, temp_i>0?TRUE:FALSE);
- break;
- case ARG_DEVICE_HAS_OVERLAY:
- if (GST_V4L2_IS_OPEN(v4l2element) &&
- v4l2element->vcap.capabilities & V4L2_CAP_VIDEO_OVERLAY)
- temp_i = 1;
- g_value_set_boolean(value, temp_i>0?TRUE:FALSE);
+ new = v4l2element->vcap.card;
+ g_value_set_string(value, new);
break;
- case ARG_DEVICE_HAS_PLAYBACK:
- if (GST_V4L2_IS_OPEN(v4l2element) &&
- v4l2element->vcap.capabilities & V4L2_CAP_VIDEO_OUTPUT &&
- v4l2element->vcap.capabilities & V4L2_CAP_STREAMING)
- temp_i = 1;
- g_value_set_boolean(value, temp_i>0?TRUE:FALSE);
+ }
+ case ARG_FLAGS: {
+ guint flags = 0;
+ if (GST_V4L2_IS_OPEN(v4l2element)) {
+ flags |= v4l2element->vcap.capabilities &
+ 30007;
+ }
+ 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:
+ gst_v4l2_set_display(v4l2element);
+
if (!gst_v4l2_open(v4l2element))
return GST_STATE_FAILURE;
+ gst_v4l2_xoverlay_open(v4l2element);
+
/* emit a signal! whoopie! */
g_signal_emit(G_OBJECT(v4l2element),
gst_v4l2element_signals[SIGNAL_OPEN], 0,
v4l2element->device);
-
- /* now, sync options */
- if (v4l2element->norm >= 0)
- if (!gst_v4l2_set_norm(v4l2element, v4l2element->norm))
- return GST_STATE_FAILURE;
- if (v4l2element->channel >= 0)
- if (!gst_v4l2_set_input(v4l2element, v4l2element->channel))
- return GST_STATE_FAILURE;
- if (v4l2element->output >= 0)
- if (!gst_v4l2_set_output(v4l2element, v4l2element->output))
- return GST_STATE_FAILURE;
- if (v4l2element->frequency > 0)
- if (!gst_v4l2_set_frequency(v4l2element, v4l2element->frequency))
- return GST_STATE_FAILURE;
break;
case GST_STATE_READY_TO_NULL:
+ gst_v4l2_xoverlay_close(v4l2element);
+
if (!gst_v4l2_close(v4l2element))
return GST_STATE_FAILURE;
{
GstElementFactory *factory;
+ /* we can run without... But not yet. ;). */
+ if (!gst_library_load ("xwindowlistener"))
+ return FALSE;
+
/* create an elementfactory for the v4l2element */
factory = gst_element_factory_new("v4l2element", GST_TYPE_V4L2ELEMENT,
&gst_v4l2element_details);
#define __GST_V4L2ELEMENT_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
struct v4l2_capability vcap;
/* the toys available to us */
- GList /*v4l2_input*/ *inputs, *input_names;
- GList /*v4l2_output*/ *outputs, *output_names;
- GList /*v4l2_enumstd*/ *norms, *norm_names;
- GList /*v4l2_queryctrl*/ *controls, *control_specs;
- GList /*GList:v4l2_querymenu*/ *menus;
+ GList *channels;
+ GList *norms;
+ GList *colors;
+
+ /* X-overlay */
+ GstXWindowListener *overlay;
+ XID xwindow_id;
/* caching values */
- gint channel;
- gint output;
- gint norm;
- gulong frequency;
+ gchar *display;
};
struct _GstV4l2ElementClass {
const gchar *device);
void (*close) (GstElement *element,
const gchar *device);
-
- /* actions */
- gboolean (*set_videowindow) (GstElement *element,
- gint x_offset,
- gint y_offset,
- gint height,
- gint width,
- struct v4l2_clip *clips,
- gint num_clips);
- gboolean (*get_attribute) (GstElement *element,
- const gchar *attr_name,
- int *value);
- gboolean (*set_attribute) (GstElement *element,
- const gchar *attr_name,
- const int value);
};
#include <string.h>
#include <sys/time.h>
#include "v4l2src_calls.h"
+#include "gstv4l2tuner.h"
/* elementfactory details */
static GstElementDetails gst_v4l2src_details = {
static gfloat
gst_v4l2src_get_fps (GstV4l2Src *v4l2src)
{
- gint norm;
- struct v4l2_standard *std;
- gfloat fps;
+ v4l2_std_id norm;
+ const GList *item;
if (!v4l2src->use_fixed_fps &&
v4l2src->clock != NULL &&
if (!gst_v4l2_get_norm(GST_V4L2ELEMENT(v4l2src), &norm))
return 0.;
+ for (item = GST_V4L2ELEMENT(v4l2src)->norms;
+ item != NULL; item = item->next) {
+ GstV4l2TunerNorm *v4l2norm = item->data;
+ if (v4l2norm->index == norm)
+ return GST_TUNER_NORM(v4l2norm)->fps;
+ }
- std = ((struct v4l2_standard *) g_list_nth_data(GST_V4L2ELEMENT(v4l2src)->norms, norm));
- fps = (1. * std->frameperiod.denominator) / std->frameperiod.numerator;
-
- return fps;
+ return 0.;
}
--- /dev/null
+/* GStreamer Tuner interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4l2tuner.c: tuner interface implementation for V4L2
+ *
+ * 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 "gstv4l2tuner.h"
+#include "gstv4l2element.h"
+#include "v4l2_calls.h"
+
+static void gst_v4l2_tuner_channel_class_init (GstV4l2TunerChannelClass *klass);
+static void gst_v4l2_tuner_channel_init (GstV4l2TunerChannel *channel);
+
+static void gst_v4l2_tuner_norm_class_init (GstV4l2TunerNormClass *klass);
+static void gst_v4l2_tuner_norm_init (GstV4l2TunerNorm *norm);
+
+static const GList *
+ gst_v4l2_tuner_list_channels (GstTuner *mixer);
+static void gst_v4l2_tuner_set_channel (GstTuner *mixer,
+ GstTunerChannel *channel);
+static const GstTunerChannel *
+ gst_v4l2_tuner_get_channel (GstTuner *mixer);
+
+static const GList *
+ gst_v4l2_tuner_list_norms (GstTuner *mixer);
+static void gst_v4l2_tuner_set_norm (GstTuner *mixer,
+ GstTunerNorm *norm);
+static const GstTunerNorm *
+ gst_v4l2_tuner_get_norm (GstTuner *mixer);
+
+static void gst_v4l2_tuner_set_frequency (GstTuner *mixer,
+ GstTunerChannel *channel,
+ gulong frequency);
+static gulong gst_v4l2_tuner_get_frequency (GstTuner *mixer,
+ GstTunerChannel *channel);
+static gint gst_v4l2_tuner_signal_strength (GstTuner *mixer,
+ GstTunerChannel *channel);
+
+static GstTunerNormClass *norm_parent_class = NULL;
+static GstTunerChannelClass *channel_parent_class = NULL;
+
+GType
+gst_v4l2_tuner_channel_get_type (void)
+{
+ static GType gst_v4l2_tuner_channel_type = 0;
+
+ if (!gst_v4l2_tuner_channel_type) {
+ static const GTypeInfo v4l2_tuner_channel_info = {
+ sizeof (GstV4l2TunerChannelClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_v4l2_tuner_channel_class_init,
+ NULL,
+ NULL,
+ sizeof (GstV4l2TunerChannel),
+ 0,
+ (GInstanceInitFunc) gst_v4l2_tuner_channel_init,
+ NULL
+ };
+
+ gst_v4l2_tuner_channel_type =
+ g_type_register_static (GST_TYPE_TUNER_CHANNEL,
+ "GstV4l2TunerChannel",
+ &v4l2_tuner_channel_info, 0);
+ }
+
+ return gst_v4l2_tuner_channel_type;
+}
+
+static void
+gst_v4l2_tuner_channel_class_init (GstV4l2TunerChannelClass *klass)
+{
+ channel_parent_class = g_type_class_ref (GST_TYPE_TUNER_CHANNEL);
+}
+
+static void
+gst_v4l2_tuner_channel_init (GstV4l2TunerChannel *channel)
+{
+ channel->index = 0;
+ channel->tuner = 0;
+ channel->audio = 0;
+}
+
+GType
+gst_v4l2_tuner_norm_get_type (void)
+{
+ static GType gst_v4l2_tuner_norm_type = 0;
+
+ if (!gst_v4l2_tuner_norm_type) {
+ static const GTypeInfo v4l2_tuner_norm_info = {
+ sizeof (GstV4l2TunerNormClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_v4l2_tuner_norm_class_init,
+ NULL,
+ NULL,
+ sizeof (GstV4l2TunerNorm),
+ 0,
+ (GInstanceInitFunc) gst_v4l2_tuner_norm_init,
+ NULL
+ };
+
+ gst_v4l2_tuner_norm_type =
+ g_type_register_static (GST_TYPE_TUNER_NORM,
+ "GstV4l2TunerNorm",
+ &v4l2_tuner_norm_info, 0);
+ }
+
+ return gst_v4l2_tuner_norm_type;
+}
+
+static void
+gst_v4l2_tuner_norm_class_init (GstV4l2TunerNormClass *klass)
+{
+ norm_parent_class = g_type_class_ref (GST_TYPE_TUNER_NORM);
+}
+
+static void
+gst_v4l2_tuner_norm_init (GstV4l2TunerNorm *norm)
+{
+ norm->index = 0;
+}
+
+void
+gst_v4l2_tuner_interface_init (GstTunerClass *klass)
+{
+ /* default virtual functions */
+ klass->list_channels = gst_v4l2_tuner_list_channels;
+ klass->set_channel = gst_v4l2_tuner_set_channel;
+ klass->get_channel = gst_v4l2_tuner_get_channel;
+
+ klass->list_norms = gst_v4l2_tuner_list_norms;
+ klass->set_norm = gst_v4l2_tuner_set_norm;
+ klass->get_norm = gst_v4l2_tuner_get_norm;
+
+ klass->set_frequency = gst_v4l2_tuner_set_frequency;
+ klass->get_frequency = gst_v4l2_tuner_get_frequency;
+ klass->signal_strength = gst_v4l2_tuner_signal_strength;
+}
+
+static gboolean
+gst_v4l2_tuner_is_sink (GstV4l2Element *v4l2element)
+{
+ const GList *pads = gst_element_get_pad_list (GST_ELEMENT (v4l2element));
+ GstPadDirection dir = GST_PAD_UNKNOWN;
+
+ /* get direction */
+ if (pads && g_list_length ((GList *) pads) == 1)
+ dir = GST_PAD_DIRECTION (GST_PAD (pads->data));
+
+ return (dir == GST_PAD_SINK);
+}
+
+static gboolean
+gst_v4l2_tuner_contains_channel (GstV4l2Element *v4l2element,
+ GstV4l2TunerChannel *v4l2channel)
+{
+ const GList *item;
+
+ for (item = v4l2element->channels; item != NULL; item = item->next)
+ if (item->data == v4l2channel)
+ return TRUE;
+
+ return FALSE;
+}
+
+static const GList *
+gst_v4l2_tuner_list_channels (GstTuner *mixer)
+{
+ /* ... or output, if we're a sink... */
+ return GST_V4L2ELEMENT (mixer)->channels;
+}
+
+static void
+gst_v4l2_tuner_set_channel (GstTuner *mixer,
+ GstTunerChannel *channel)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
+ GstV4l2TunerChannel *v4l2channel = GST_V4L2_TUNER_CHANNEL (channel);
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L2_IS_OPEN (v4l2element));
+ g_return_if_fail (gst_v4l2_tuner_contains_channel (v4l2element, v4l2channel));
+
+ /* ... or output, if we're a sink... */
+ if (gst_v4l2_tuner_is_sink (v4l2element))
+ gst_v4l2_set_output (v4l2element, v4l2channel->index);
+ else
+ gst_v4l2_set_input (v4l2element, v4l2channel->index);
+}
+
+static const GstTunerChannel *
+gst_v4l2_tuner_get_channel (GstTuner *mixer)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
+ GList *item;
+ gint channel;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2element), NULL);
+
+ /* ... or output, if we're a sink... */
+ if (gst_v4l2_tuner_is_sink (v4l2element))
+ gst_v4l2_get_output (v4l2element, &channel);
+ else
+ gst_v4l2_get_input (v4l2element, &channel);
+
+ for (item = v4l2element->channels; item != NULL; item = item->next) {
+ if (channel == GST_V4L2_TUNER_CHANNEL (item->data)->index)
+ return (const GstTunerChannel *) item->data;
+ }
+
+ return NULL;
+}
+
+static gboolean
+gst_v4l2_tuner_contains_norm (GstV4l2Element *v4l2element,
+ GstV4l2TunerNorm *v4l2norm)
+{
+ const GList *item;
+
+ for (item = v4l2element->norms; item != NULL; item = item->next)
+ if (item->data == v4l2norm)
+ return TRUE;
+
+ return FALSE;
+}
+
+static const GList *
+gst_v4l2_tuner_list_norms (GstTuner *mixer)
+{
+ return GST_V4L2ELEMENT (mixer)->norms;
+}
+
+static void
+gst_v4l2_tuner_set_norm (GstTuner *mixer,
+ GstTunerNorm *norm)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
+ GstV4l2TunerNorm *v4l2norm = GST_V4L2_TUNER_NORM (norm);
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L2_IS_OPEN (v4l2element));
+ g_return_if_fail (gst_v4l2_tuner_contains_norm (v4l2element, v4l2norm));
+
+ gst_v4l2_set_norm (v4l2element, v4l2norm->index);
+}
+
+static const GstTunerNorm *
+gst_v4l2_tuner_get_norm (GstTuner *mixer)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
+ GList *item;
+ v4l2_std_id norm;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2element), NULL);
+
+ gst_v4l2_get_norm (v4l2element, &norm);
+
+ for (item = v4l2element->norms; item != NULL; item = item->next) {
+ if (norm == GST_V4L2_TUNER_NORM (item->data)->index)
+ return (const GstTunerNorm *) item->data;
+ }
+
+ return NULL;
+}
+
+static void
+gst_v4l2_tuner_set_frequency (GstTuner *mixer,
+ GstTunerChannel *channel,
+ gulong frequency)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
+ GstV4l2TunerChannel *v4l2channel = GST_V4L2_TUNER_CHANNEL (channel);
+ gint chan;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_if_fail (GST_V4L2_IS_OPEN (v4l2element));
+ g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY));
+ g_return_if_fail (gst_v4l2_tuner_contains_channel (v4l2element, v4l2channel));
+
+ gst_v4l2_get_input (v4l2element, &chan);
+ if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
+ GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
+ gst_v4l2_set_frequency (v4l2element, v4l2channel->tuner, frequency);
+ }
+}
+
+static gulong
+gst_v4l2_tuner_get_frequency (GstTuner *mixer,
+ GstTunerChannel *channel)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
+ GstV4l2TunerChannel *v4l2channel = GST_V4L2_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_V4L2_IS_OPEN (v4l2element), 0);
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+ g_return_val_if_fail (gst_v4l2_tuner_contains_channel (v4l2element,
+ v4l2channel), 0);
+
+ gst_v4l2_get_input (v4l2element, &chan);
+ if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
+ GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
+ gst_v4l2_get_frequency (v4l2element, v4l2channel->tuner, &frequency);
+ }
+
+ return frequency;
+}
+
+static gint
+gst_v4l2_tuner_signal_strength (GstTuner *mixer,
+ GstTunerChannel *channel)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
+ GstV4l2TunerChannel *v4l2channel = GST_V4L2_TUNER_CHANNEL (channel);
+ gint chan;
+ gulong signal = 0;
+
+ /* assert that we're opened and that we're using a known item */
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2element), 0);
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), 0);
+ g_return_val_if_fail (gst_v4l2_tuner_contains_channel (v4l2element,
+ v4l2channel), 0);
+
+ gst_v4l2_get_input (v4l2element, &chan);
+ if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
+ GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
+ gst_v4l2_signal_strength (v4l2element, v4l2channel->tuner, &signal);
+ }
+
+ return signal;
+}
--- /dev/null
+/* G-Streamer generic V4L2 element - Tuner interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4l2tuner.h: tuner interface implementation for V4L2
+ *
+ * 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_V4L2_TUNER_H__
+#define __GST_V4L2_TUNER_H__
+
+#include <gst/gst.h>
+#include <gst/tuner/tuner.h>
+
+#include "gstv4l2element.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_V4L2_TUNER_CHANNEL \
+ (gst_v4l2_tuner_channel_get_type ())
+#define GST_V4L2_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_CHANNEL, \
+ GstV4l2TunerChannel))
+#define GST_V4L2_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_CHANNEL, \
+ GstV4l2TunerChannelClass))
+#define GST_IS_V4L2_TUNER_CHANNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_CHANNEL))
+#define GST_IS_V4L2_TUNER_CHANNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_TUNER_CHANNEL))
+
+typedef struct _GstV4l2TunerChannel {
+ GstTunerChannel parent;
+
+ guint32 index;
+ guint32 tuner;
+ guint32 audio;
+} GstV4l2TunerChannel;
+
+typedef struct _GstV4l2TunerChannelClass {
+ GstTunerChannelClass parent;
+} GstV4l2TunerChannelClass;
+
+#define GST_TYPE_V4L2_TUNER_NORM \
+ (gst_v4l2_tuner_norm_get_type ())
+#define GST_V4L2_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_NORM, \
+ GstV4l2TunerNorm))
+#define GST_V4L2_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_NORM, \
+ GstV4l2TunerNormClass))
+#define GST_IS_V4L2_TUNER_NORM(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_NORM))
+#define GST_IS_V4L2_TUNER_NORM_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_TUNER_NORM))
+
+typedef struct _GstV4l2TunerNorm {
+ GstTunerNorm parent;
+
+ v4l2_std_id index;
+} GstV4l2TunerNorm;
+
+typedef struct _GstV4l2TunerNormClass {
+ GstTunerNormClass parent;
+} GstV4l2TunerNormClass;
+
+GType gst_v4l2_tuner_channel_get_type (void);
+GType gst_v4l2_tuner_norm_get_type (void);
+
+void gst_v4l2_tuner_interface_init (GstTunerClass *klass);
+
+#endif /* __GST_V4L2_TUNER_H__ */
--- /dev/null
+/* GStreamer X-based overlay interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4l2xoverlay.c: X-based overlay interface implementation for V4L2
+ *
+ * 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 "gstv4l2xoverlay.h"
+#include "gstv4l2element.h"
+#include "v4l2_calls.h"
+
+static void gst_v4l2_xoverlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id);
+
+void
+gst_v4l2_xoverlay_interface_init (GstXOverlayClass *klass)
+{
+ /* default virtual functions */
+ klass->set_xwindow_id = gst_v4l2_xoverlay_set_xwindow_id;
+}
+
+GstXWindowListener *
+gst_v4l2_xoverlay_new (GstV4l2Element *v4l2element)
+{
+ GstXWindowListener *xwin =
+ gst_x_window_listener_new (NULL,
+ (MapWindowFunc) gst_v4l2_enable_overlay,
+ (SetWindowFunc) gst_v4l2_set_window,
+ (gpointer) v4l2element);
+
+ v4l2element->overlay = xwin;
+ v4l2element->xwindow_id = 0;
+
+ return xwin;
+}
+
+void
+gst_v4l2_xoverlay_free (GstV4l2Element *v4l2element)
+{
+ gst_v4l2_xoverlay_close (v4l2element);
+ g_object_unref (G_OBJECT (v4l2element->overlay));
+ v4l2element->overlay = NULL;
+}
+
+void
+gst_v4l2_xoverlay_open (GstV4l2Element *v4l2element)
+{
+ GstXWindowListener *xwin = v4l2element->overlay;
+
+ if (xwin) {
+ xwin->display_name = g_strdup (v4l2element->display);
+
+ if (v4l2element->xwindow_id != 0 &&
+ xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ gst_x_window_listener_set_xid (xwin, v4l2element->xwindow_id);
+ }
+ }
+}
+
+void
+gst_v4l2_xoverlay_close (GstV4l2Element *v4l2element)
+{
+ GstXWindowListener *xwin = v4l2element->overlay;
+
+ if (xwin != NULL) {
+ if (v4l2element->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_v4l2_xoverlay_set_xwindow_id (GstXOverlay *overlay,
+ XID xwindow_id)
+{
+ GstV4l2Element *v4l2element = GST_V4L2ELEMENT (overlay);
+ GstXWindowListener *xwin = v4l2element->overlay;
+
+ if (v4l2element->xwindow_id == xwindow_id) {
+ return;
+ }
+
+ if (gst_element_get_state (GST_ELEMENT (v4l2element)) != GST_STATE_NULL &&
+ v4l2element->xwindow_id != 0 &&
+ xwin != NULL &&
+ xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ gst_x_window_listener_set_xid (xwin, 0);
+ }
+
+ v4l2element->xwindow_id = xwindow_id;
+
+ if (gst_element_get_state (GST_ELEMENT (v4l2element)) != GST_STATE_NULL &&
+ v4l2element->xwindow_id != 0 &&
+ xwin != NULL &&
+ xwin->display_name &&
+ xwin->display_name[0] == ':') {
+ gst_x_window_listener_set_xid (xwin, v4l2element->xwindow_id);
+ }
+}
--- /dev/null
+/* G-Streamer generic V4L2 element - X overlay interface implementation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * gstv4l2xoverlay.h: tv mixer interface implementation for V4L2
+ *
+ * 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_V4L2_X_OVERLAY_H__
+#define __GST_V4L2_X_OVERLAY_H__
+
+#include <gst/gst.h>
+#include <gst/xoverlay/xoverlay.h>
+
+#include "gstv4l2element.h"
+
+G_BEGIN_DECLS
+
+void gst_v4l2_xoverlay_interface_init (GstXOverlayClass *klass);
+
+GstXWindowListener *
+ gst_v4l2_xoverlay_new (GstV4l2Element *v4l2element);
+void gst_v4l2_xoverlay_free (GstV4l2Element *v4l2element);
+
+/* signal handlers */
+void gst_v4l2_xoverlay_open (GstV4l2Element *v4l2element);
+void gst_v4l2_xoverlay_close (GstV4l2Element *v4l2element);
+
+#endif /* __GST_V4L2_X_OVERLAY_H__ */
******************************************************/
gboolean
-gst_v4l2_set_display (GstV4l2Element *v4l2element,
- const gchar *display)
+gst_v4l2_set_display (GstV4l2Element *v4l2element)
{
gchar *buff;
- DEBUG("trying to set overlay to '%s'", display);
+ if (v4l2element->display)
+ g_free(v4l2element->display);
+ v4l2element->display = g_strdup(g_getenv("DISPLAY"));
+
+ DEBUG("trying to set overlay to '%s'", v4l2element->display);
/* start v4l-conf */
buff = g_strdup_printf("v4l-conf -q -c %s -d %s",
- v4l2element->device?v4l2element->device:"/dev/video", display);
+ v4l2element->device, v4l2element->display);
switch (system(buff)) {
case -1:
gst_element_error(GST_ELEMENT(v4l2element),
- "Could not start v4l-conf: %s", g_strerror(errno));
+ "Could not start v4l-conf: %s",
+ g_strerror(errno));
g_free(buff);
return FALSE;
case 0:
break;
default:
gst_element_error(GST_ELEMENT(v4l2element),
- "v4l-conf failed to run correctly: %s", g_strerror(errno));
+ "v4l-conf failed to run correctly: %s",
+ g_strerror(errno));
g_free(buff);
return FALSE;
}
#include <errno.h>
#include <unistd.h>
#include "v4l2_calls.h"
+#include "gstv4l2tuner.h"
+#include "gstv4l2xoverlay.h"
+#include "gstv4l2colorbalance.h"
#define DEBUG(format, args...) \
GST_DEBUG_OBJECT (\
gst_v4l2_fill_lists (GstV4l2Element *v4l2element)
{
gint n;
+ const GList *pads =
+ gst_element_get_pad_list (GST_ELEMENT (v4l2element));
+ GstPadDirection dir = GST_PAD_UNKNOWN;
DEBUG("getting enumerations");
GST_V4L2_CHECK_OPEN(v4l2element);
+ /* sinks have outputs, all others have inputs */
+ if (pads && g_list_length ((GList *) pads) == 1)
+ dir = GST_PAD_DIRECTION (GST_PAD (pads->data));
+
+ if (dir == GST_PAD_SINK) {
/* and now, the inputs */
- for (n=0;;n++) {
- struct v4l2_input input, *inpptr;
- input.index = n;
- if (ioctl(v4l2element->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
- if (errno == EINVAL)
- break; /* end of enumeration */
- else {
- gst_element_error(GST_ELEMENT(v4l2element),
- "Failed to get no. %d in input enumeration for %s: %s",
- n, v4l2element->device, g_strerror(errno));
- return FALSE;
+ for (n=0;;n++) {
+ struct v4l2_input input;
+ GstV4l2TunerChannel *v4l2channel;
+ GstTunerChannel *channel;
+
+ input.index = n;
+ if (ioctl(v4l2element->video_fd, VIDIOC_ENUMINPUT,
+ &input) < 0) {
+ if (errno == EINVAL)
+ break; /* end of enumeration */
+ else {
+ gst_element_error(GST_ELEMENT(v4l2element),
+ "Failed to get no. %d in input enumeration for %s: %s",
+ n, v4l2element->device,
+ g_strerror(errno));
+ return FALSE;
+ }
}
- }
- inpptr = g_malloc(sizeof(input));
- memcpy(inpptr, &input, sizeof(input));
- v4l2element->inputs = g_list_append(v4l2element->inputs, inpptr);
-
- v4l2element->input_names = g_list_append(v4l2element->input_names, inpptr->name);
- }
- /* outputs */
- for (n=0;;n++) {
- struct v4l2_output output, *outptr;
- output.index = n;
- if (ioctl(v4l2element->video_fd, VIDIOC_ENUMOUTPUT, &output) < 0) {
- if (errno == EINVAL)
- break; /* end of enumeration */
- else {
- gst_element_error(GST_ELEMENT(v4l2element),
- "Failed to get no. %d in output enumeration for %s: %s",
- n, v4l2element->device, g_strerror(errno));
- return FALSE;
+ v4l2channel =
+ g_object_new(GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
+ channel = GST_TUNER_CHANNEL(v4l2channel);
+ channel->label = g_strdup(input.name);
+ channel->flags = GST_TUNER_CHANNEL_INPUT;
+ v4l2channel->index = n;
+ if (input.type == V4L2_INPUT_TYPE_TUNER) {
+ struct v4l2_tuner vtun;
+
+ v4l2channel->tuner = input.tuner;
+ channel->flags |= GST_TUNER_CHANNEL_FREQUENCY;
+
+ vtun.index = input.tuner;
+ if (ioctl(v4l2element->video_fd, VIDIOC_G_TUNER,
+ &vtun) < 0) {
+ gst_element_error(GST_ELEMENT(v4l2element),
+ "Failed to get tuner %d settings on %s: %s",
+ input.tuner,
+ v4l2element->device,
+ g_strerror(errno));
+ g_object_unref(G_OBJECT(channel));
+ return FALSE;
+ }
+ channel->min_frequency = vtun.rangelow;
+ channel->max_frequency = vtun.rangehigh;
+ channel->min_signal = 0;
+ channel->max_signal = 0xffff;
+ }
+ if (input.audioset) {
+ /* we take the first. We don't care for
+ * the others for now */
+ while (!(input.audioset &
+ (1<<v4l2channel->audio)))
+ v4l2channel->audio++;
+ channel->flags |= GST_TUNER_CHANNEL_AUDIO;
}
+
+ v4l2element->channels =
+ g_list_append(v4l2element->channels,
+ (gpointer) channel);
}
- outptr = g_malloc(sizeof(output));
- memcpy(outptr, &output, sizeof(output));
- v4l2element->outputs = g_list_append(v4l2element->outputs, outptr);
+ } else {
+ /* outputs */
+ for (n=0;;n++) {
+ struct v4l2_output output;
+ GstV4l2TunerChannel *v4l2channel;
+ GstTunerChannel *channel;
+
+ output.index = n;
+ if (ioctl(v4l2element->video_fd, VIDIOC_ENUMOUTPUT,
+ &output) < 0) {
+ if (errno == EINVAL)
+ break; /* end of enumeration */
+ else {
+ gst_element_error(GST_ELEMENT(v4l2element),
+ "Failed to get no. %d in output enumeration for %s: %s",
+ n, v4l2element->device,
+ g_strerror(errno));
+ return FALSE;
+ }
+ }
+
+ v4l2channel = g_object_new(GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
+ channel = GST_TUNER_CHANNEL(v4l2channel);
+ channel->label = g_strdup(output.name);
+ channel->flags = GST_TUNER_CHANNEL_OUTPUT;
+ v4l2channel->index = n;
+ if (output.audioset) {
+ /* we take the first. We don't care for
+ * the others for now */
+ while (!(output.audioset &
+ (1<<v4l2channel->audio)))
+ v4l2channel->audio++;
+ channel->flags |= GST_TUNER_CHANNEL_AUDIO;
+ }
- v4l2element->output_names = g_list_append(v4l2element->output_names, outptr->name);
+ v4l2element->channels =
+ g_list_append(v4l2element->channels,
+ (gpointer) channel);
+ }
}
/* norms... */
for (n=0;;n++) {
- struct v4l2_standard standard, *stdptr;
+ struct v4l2_standard standard;
+ GstV4l2TunerNorm *v4l2norm;
+ GstTunerNorm *norm;
+
standard.index = n;
if (ioctl(v4l2element->video_fd, VIDIOC_ENUMSTD, &standard) < 0) {
if (errno == EINVAL)
return FALSE;
}
}
- stdptr = g_malloc(sizeof(standard));
- memcpy(stdptr, &standard, sizeof(standard));
- v4l2element->norms = g_list_append(v4l2element->norms, stdptr);
- v4l2element->norm_names = g_list_append(v4l2element->norm_names, stdptr->name);
+ v4l2norm = g_object_new(GST_TYPE_V4L2_TUNER_NORM, NULL);
+ norm = GST_TUNER_NORM (v4l2norm);
+ norm->label = g_strdup(standard.name);
+ norm->fps = (gfloat) standard.frameperiod.denominator /
+ standard.frameperiod.numerator;
+ v4l2norm->index = standard.id;
+
+ v4l2element->norms = g_list_append(v4l2element->norms,
+ (gpointer) norm);
}
/* and lastly, controls+menus (if appropriate) */
for (n=V4L2_CID_BASE;;n++) {
- struct v4l2_queryctrl control, *ctrlptr;
- GList *menus = NULL;
- GParamSpec *spec = NULL;
+ struct v4l2_queryctrl control;
+ GstV4l2ColorBalanceChannel *v4l2channel;
+ GstColorBalanceChannel *channel;
+
/* hacky... */
if (n == V4L2_CID_LASTP1)
n = V4L2_CID_PRIVATE_BASE;
+
control.id = n;
if (ioctl(v4l2element->video_fd, VIDIOC_QUERYCTRL, &control) < 0) {
if (errno == EINVAL) {
}
if (control.flags & V4L2_CTRL_FLAG_DISABLED)
continue;
- ctrlptr = g_malloc(sizeof(control));
- memcpy(ctrlptr, &control, sizeof(control));
- v4l2element->controls = g_list_append(v4l2element->controls, ctrlptr);
+
+ switch (n) {
+ case V4L2_CID_BRIGHTNESS:
+ case V4L2_CID_CONTRAST:
+ case V4L2_CID_SATURATION:
+ case V4L2_CID_HUE:
+ case V4L2_CID_BLACK_LEVEL:
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ case V4L2_CID_DO_WHITE_BALANCE:
+ case V4L2_CID_RED_BALANCE:
+ case V4L2_CID_BLUE_BALANCE:
+ case V4L2_CID_GAMMA:
+ case V4L2_CID_EXPOSURE:
+ case V4L2_CID_AUTOGAIN:
+ case V4L2_CID_GAIN:
+ /* we only handle these for now */
+ break;
+ default:
+ DEBUG("ControlID %s (%d) unhandled, FIXME",
+ control.name, n);
+ control.id++;
+ break;
+ }
+ if (n != control.id)
+ continue;
+
+ v4l2channel = g_object_new(GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL,
+ NULL);
+ channel = GST_COLOR_BALANCE_CHANNEL(v4l2channel);
+ channel->label = g_strdup(control.name);
+ v4l2channel->index = n;
+
+#if 0
if (control.type == V4L2_CTRL_TYPE_MENU) {
struct v4l2_querymenu menu, *mptr;
int i;
}
}
v4l2element->menus = g_list_append(v4l2element->menus, menus);
+#endif
switch (control.type) {
case V4L2_CTRL_TYPE_INTEGER:
- spec = g_param_spec_int(ctrlptr->name, ctrlptr->name,
- ctrlptr->name, ctrlptr->minimum, ctrlptr->maximum,
- ctrlptr->default_value, G_PARAM_READWRITE);
+ channel->min_value = control.minimum;
+ channel->max_value = control.maximum;
break;
case V4L2_CTRL_TYPE_BOOLEAN:
- spec = g_param_spec_boolean(ctrlptr->name, ctrlptr->name,
- ctrlptr->name, ctrlptr->default_value,
- G_PARAM_READWRITE);
+ channel->min_value = FALSE;
+ channel->max_value = TRUE;
break;
- case V4L2_CTRL_TYPE_MENU:
- /* hacky... we abuse pointer for 'no value' */
- spec = g_param_spec_pointer(ctrlptr->name, ctrlptr->name,
- ctrlptr->name, G_PARAM_WRITABLE);
- break;
- case V4L2_CTRL_TYPE_BUTTON:
- /* help?!? */
- spec = NULL;
+ default:
+ channel->min_value =
+ channel->max_value = 0;
break;
}
- v4l2element->control_specs = g_list_append(v4l2element->control_specs, spec);
+ v4l2element->colors = g_list_append(v4l2element->colors,
+ (gpointer) channel);
}
return TRUE;
{
DEBUG("deleting enumerations");
- /* empty lists */
- while (g_list_length(v4l2element->inputs) > 0) {
- gpointer data = g_list_nth_data(v4l2element->inputs, 0);
- v4l2element->inputs = g_list_remove(v4l2element->inputs, data);
- g_free(data);
- }
- g_list_free(v4l2element->input_names);
- v4l2element->input_names = NULL;
- while (g_list_length(v4l2element->outputs) > 0) {
- gpointer data = g_list_nth_data(v4l2element->outputs, 0);
- v4l2element->outputs = g_list_remove(v4l2element->outputs, data);
- g_free(data);
- }
- g_list_free(v4l2element->output_names);
- v4l2element->output_names = NULL;
- while (g_list_length(v4l2element->norms) > 0) {
- gpointer data = g_list_nth_data(v4l2element->norms, 0);
- v4l2element->norms = g_list_remove(v4l2element->norms, data);
- g_free(data);
- }
- g_list_free(v4l2element->norm_names);
- v4l2element->norm_names = NULL;
- while (g_list_length(v4l2element->controls) > 0) {
- gpointer data = g_list_nth_data(v4l2element->controls, 0);
- v4l2element->controls = g_list_remove(v4l2element->controls, data);
- g_free(data);
- }
- v4l2element->menus = g_list_remove_all(v4l2element->menus, NULL);
- while (g_list_length(v4l2element->menus) > 0) {
- GList *items = (GList *) g_list_nth_data(v4l2element->menus, 0);
- v4l2element->inputs = g_list_remove(v4l2element->inputs, items);
- while (g_list_length(items) > 0) {
- gpointer data = g_list_nth_data(v4l2element->menus, 0);
- items = g_list_remove(items, data);
- g_free(data);
- }
- }
- while (g_list_length(v4l2element->control_specs) > 0) {
- gpointer data = g_list_nth_data(v4l2element->control_specs, 0);
- v4l2element->control_specs = g_list_remove(v4l2element->control_specs, data);
- g_param_spec_unref(G_PARAM_SPEC(data));
- }
+ g_list_foreach (v4l2element->channels, (GFunc) g_object_unref, NULL);
+ g_list_free (v4l2element->channels);
+ v4l2element->channels = NULL;
+
+ g_list_foreach (v4l2element->norms, (GFunc) g_object_unref, NULL);
+ g_list_free (v4l2element->norms);
+ v4l2element->norms = NULL;
+
+ g_list_foreach (v4l2element->colors, (GFunc) g_object_unref, NULL);
+ g_list_free (v4l2element->colors);
+ v4l2element->colors = NULL;
}
gboolean
gst_v4l2_get_norm (GstV4l2Element *v4l2element,
- gint *norm)
+ v4l2_std_id *norm)
{
- v4l2_std_id std_id;
- gint n;
-
DEBUG("getting norm");
GST_V4L2_CHECK_OPEN(v4l2element);
- if (ioctl(v4l2element->video_fd, VIDIOC_G_STD, &std_id) < 0) {
+ if (ioctl(v4l2element->video_fd, VIDIOC_G_STD, norm) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
"Failed to get the current norm for device %s: %s",
v4l2element->device, g_strerror(errno));
return FALSE;
}
- /* try to find out what norm number this actually is */
- for (n=0;n<g_list_length(v4l2element->norms);n++) {
- struct v4l2_standard *stdptr = (struct v4l2_standard *) g_list_nth_data(v4l2element->norms, n);
- if (stdptr->id == std_id) {
- *norm = n;
- return TRUE;
- }
- }
-
- gst_element_error(GST_ELEMENT(v4l2element),
- "Failed to find norm '%llu' in our list of available norms for device %s",
- std_id, v4l2element->device);
- return FALSE;
+ return TRUE;
}
gboolean
gst_v4l2_set_norm (GstV4l2Element *v4l2element,
- gint norm)
+ v4l2_std_id norm)
{
- struct v4l2_standard *standard;
-
- DEBUG("trying to set norm to %d", norm);
+ DEBUG("trying to set norm to %llx", norm);
GST_V4L2_CHECK_OPEN(v4l2element);
GST_V4L2_CHECK_NOT_ACTIVE(v4l2element);
- if (norm < 0 || norm >= g_list_length(v4l2element->norms)) {
- gst_element_error(GST_ELEMENT(v4l2element),
- "Invalid norm number %d (%d-%d)",
- norm, 0, g_list_length(v4l2element->norms));
- return FALSE;
- }
-
- standard = (struct v4l2_standard *) g_list_nth_data(v4l2element->norms, norm);
-
- if (ioctl(v4l2element->video_fd, VIDIOC_S_STD, &standard->id) < 0) {
+ if (ioctl(v4l2element->video_fd, VIDIOC_S_STD, &norm) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
- "Failed to set norm '%s' (%llu) for device %s: %s",
- standard->name, standard->id, v4l2element->device, g_strerror(errno));
+ "Failed to set norm 0x%llx for device %s: %s",
+ norm, v4l2element->device, g_strerror(errno));
return FALSE;
}
GST_V4L2_CHECK_OPEN(v4l2element);
GST_V4L2_CHECK_NOT_ACTIVE(v4l2element);
- if (input < 0 || input >= g_list_length(v4l2element->inputs)) {
- gst_element_error(GST_ELEMENT(v4l2element),
- "Invalid input number %d (%d-%d)",
- input, 0, g_list_length(v4l2element->inputs));
- return FALSE;
- }
-
if (ioctl(v4l2element->video_fd, VIDIOC_S_INPUT, &input) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
"Failed to set input %d on device %s: %s",
GST_V4L2_CHECK_OPEN(v4l2element);
GST_V4L2_CHECK_NOT_ACTIVE(v4l2element);
- if (output < 0 || output >= g_list_length(v4l2element->outputs)) {
- gst_element_error(GST_ELEMENT(v4l2element),
- "Invalid output number %d (%d-%d)",
- output, 0, g_list_length(v4l2element->outputs));
- return FALSE;
- }
-
if (ioctl(v4l2element->video_fd, VIDIOC_S_OUTPUT, &output) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
"Failed to set output %d on device %s: %s",
/******************************************************
- * gst_v4l2_has_tuner():
- * Check whether the device has a tuner
- * return value: TRUE if it has a tuner, else FALSE
- ******************************************************/
-
-gint
-gst_v4l2_has_tuner (GstV4l2Element *v4l2element,
- gint *tuner_num)
-{
- gint input_num;
- struct v4l2_input *input;
-
- DEBUG("detecting whether device has a tuner");
- GST_V4L2_CHECK_OPEN(v4l2element);
-
- if (!gst_v4l2_get_input(v4l2element, &input_num))
- return FALSE;
-
- input = (struct v4l2_input *) g_list_nth_data(v4l2element->inputs, input_num);
-
- if (input->type == V4L2_INPUT_TYPE_TUNER &&
- v4l2element->vcap.capabilities & V4L2_CAP_TUNER) {
- *tuner_num = input->tuner;
- return TRUE;
- }
- return FALSE;
-}
-
-
-/******************************************************
* gst_v4l2_get_frequency():
* get the current frequency
* return value: TRUE on success, FALSE on error
gboolean
gst_v4l2_get_frequency (GstV4l2Element *v4l2element,
+ gint tunernum,
gulong *frequency)
{
struct v4l2_frequency freq;
DEBUG("getting current tuner frequency");
GST_V4L2_CHECK_OPEN(v4l2element);
- if (!gst_v4l2_has_tuner(v4l2element, &freq.tuner))
- return FALSE;
-
- freq.type = 0;
-
+ freq.tuner = tunernum;
if (ioctl(v4l2element->video_fd, VIDIOC_G_FREQUENCY, &freq) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
"Failed to get current tuner frequency for device %s: %s",
gboolean
gst_v4l2_set_frequency (GstV4l2Element *v4l2element,
+ gint tunernum,
gulong frequency)
{
struct v4l2_frequency freq;
GST_V4L2_CHECK_OPEN(v4l2element);
GST_V4L2_CHECK_NOT_ACTIVE(v4l2element);
- if (!gst_v4l2_has_tuner(v4l2element, &freq.tuner))
- return FALSE;
-
+ freq.tuner = tunernum;
+ /* fill in type - ignore error */
+ ioctl(v4l2element->video_fd, VIDIOC_G_FREQUENCY, &freq);
freq.frequency = frequency;
- freq.type = 0;
- if (ioctl(v4l2element->video_fd, VIDIOC_G_FREQUENCY, &freq) < 0) {
+ if (ioctl(v4l2element->video_fd, VIDIOC_S_FREQUENCY, &freq) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
"Failed to set tuner frequency to %lu for device %s: %s",
frequency, v4l2element->device, g_strerror(errno));
gboolean
gst_v4l2_signal_strength (GstV4l2Element *v4l2element,
+ gint tunernum,
gulong *signal_strength)
{
struct v4l2_tuner tuner;
DEBUG("trying to get signal strength");
GST_V4L2_CHECK_OPEN(v4l2element);
+ tuner.index = tunernum;
if (ioctl(v4l2element->video_fd, VIDIOC_G_TUNER, &tuner) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
"Failed to get signal strength for device %s: %s",
/******************************************************
- * gst_v4l2_has_audio():
- * Check whether the device has audio capabilities
- * return value: TRUE if it has a tuner, else FALSE
- ******************************************************/
-
-gboolean
-gst_v4l2_has_audio (GstV4l2Element *v4l2element)
-{
- gint input_num;
- struct v4l2_input *input;
-
- DEBUG("detecting whether device has audio");
- GST_V4L2_CHECK_OPEN(v4l2element);
-
- if (!gst_v4l2_get_input(v4l2element, &input_num))
- return FALSE;
-
- input = (struct v4l2_input *) g_list_nth_data(v4l2element->inputs, input_num);
-
- return (input->audioset != 0);
-}
-
-
-/******************************************************
- * gst_v4l2_control_name_to_num():
- * convert name to num (-1 if nothing)
- ******************************************************/
-
-static gint
-gst_v4l2_control_name_to_num (GstV4l2Element *v4l2element,
- const gchar *name)
-{
- GList *item;
-
- for (item = v4l2element->controls; item != NULL; item = item->next) {
- struct v4l2_queryctrl *ctrl = item->data;
- if (!strcmp(ctrl->name, name))
- return ctrl->id;
- }
-
- return -1;
-}
-
-
-/******************************************************
* gst_v4l2_get_attribute():
* try to get the value of one specific attribute
* return value: TRUE on success, FALSE on error
******************************************************/
gboolean
-gst_v4l2_get_attribute (GstElement *element,
- const gchar *name,
- int *value)
+gst_v4l2_get_attribute (GstV4l2Element *v4l2element,
+ int attribute_num,
+ int *value)
{
struct v4l2_control control;
- GstV4l2Element *v4l2element;
- gint attribute_num = -1;
- g_return_val_if_fail(element != NULL && name != NULL && value != NULL, FALSE);
- g_return_val_if_fail(GST_IS_V4L2ELEMENT(element), FALSE);
- v4l2element = GST_V4L2ELEMENT(element);
-
- DEBUG("getting value of attribute %d", attribute_num);
GST_V4L2_CHECK_OPEN(v4l2element);
- attribute_num = gst_v4l2_control_name_to_num(v4l2element, name);
-
- if (attribute_num < 0) {
- gst_element_error(GST_ELEMENT(v4l2element),
- "Invalid control %s", name);
- return FALSE;
- }
+ DEBUG("getting value of attribute %d", attribute_num);
control.id = attribute_num;
if (ioctl(v4l2element->video_fd, VIDIOC_G_CTRL, &control) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
- "Failed to get value for control %s (%d) on device %s: %s",
- name, attribute_num, v4l2element->device, g_strerror(errno));
+ "Failed to get value for control %d on device %s: %s",
+ attribute_num, v4l2element->device, g_strerror(errno));
return FALSE;
}
******************************************************/
gboolean
-gst_v4l2_set_attribute (GstElement *element,
- const gchar *name,
- const int value)
+gst_v4l2_set_attribute (GstV4l2Element *v4l2element,
+ int attribute_num,
+ const int value)
{
struct v4l2_control control;
- GstV4l2Element *v4l2element;
- gint attribute_num = -1;
-
- g_return_val_if_fail(element != NULL && name != NULL, FALSE);
- g_return_val_if_fail(GST_IS_V4L2ELEMENT(element), FALSE);
- v4l2element = GST_V4L2ELEMENT(element);
- DEBUG("setting value of attribute %d to %d", attribute_num, value);
GST_V4L2_CHECK_OPEN(v4l2element);
- attribute_num = gst_v4l2_control_name_to_num(v4l2element, name);
-
- if (attribute_num < 0) {
- gst_element_error(GST_ELEMENT(v4l2element),
- "Invalid control %s", name);
- return FALSE;
- }
+ DEBUG("setting value of attribute %d to %d", attribute_num, value);
control.id = attribute_num;
control.value = value;
if (ioctl(v4l2element->video_fd, VIDIOC_S_CTRL, &control) < 0) {
gst_element_error(GST_ELEMENT(v4l2element),
- "Failed to set value %d for control %s (%d) on device %s: %s",
- value, name, attribute_num, v4l2element->device, g_strerror(errno));
+ "Failed to set value %d for control %d on device %s: %s",
+ value, attribute_num, v4l2element->device, g_strerror(errno));
return FALSE;
}
/* norm/input/output */
gboolean gst_v4l2_get_norm (GstV4l2Element *v4l2element,
- gint *norm);
+ v4l2_std_id *norm);
gboolean gst_v4l2_set_norm (GstV4l2Element *v4l2element,
- gint norm);
+ v4l2_std_id norm);
gboolean gst_v4l2_get_input (GstV4l2Element *v4l2element,
gint *input);
gboolean gst_v4l2_set_input (GstV4l2Element *v4l2element,
gint output);
/* frequency control */
-gboolean gst_v4l2_has_tuner (GstV4l2Element *v4l2element,
- gint *tuner_num);
gboolean gst_v4l2_get_frequency (GstV4l2Element *v4l2element,
+ gint tunernum,
gulong *frequency);
gboolean gst_v4l2_set_frequency (GstV4l2Element *v4l2element,
- gulong frequency);
+ gint tunernum,
+ gulong frequency);
gboolean gst_v4l2_signal_strength (GstV4l2Element *v4l2element,
- gulong *signal_strength);
+ gint tunernum,
+ gulong *signal);
/* attribute control */
-gboolean gst_v4l2_has_audio (GstV4l2Element *v4l2element);
-gboolean gst_v4l2_get_attribute (GstElement *element,
- const char *attribute,
+gboolean gst_v4l2_get_attribute (GstV4l2Element *v4l2element,
+ int attribute,
int *value);
-gboolean gst_v4l2_set_attribute (GstElement *element,
- const char *attribute,
+gboolean gst_v4l2_set_attribute (GstV4l2Element *v4l2element,
+ int attribute,
const int value);
/* overlay */
-gboolean gst_v4l2_set_display (GstV4l2Element *v4l2element,
- const gchar *display);
+gboolean gst_v4l2_set_display (GstV4l2Element *v4l2element);
gboolean gst_v4l2_set_window (GstElement *element,
gint x, gint y,
gint w, gint h,
projects / platform / upstream / gstreamer.git / commitdiff