gstreamer/sys/v4l2/gstv4l2colorbalance.c
Benjamin Otte 447bb00685 compile fixes for --disable-gst-debug, G_DISABLE_ASSERT and friends
Original commit message from CVS:
* ext/alsa/gstalsamixer.c: (gst_alsa_mixer_get_volume),
(gst_alsa_mixer_set_volume), (gst_alsa_mixer_set_mute),
(gst_alsa_mixer_set_record), (gst_alsa_mixer_set_option),
(gst_alsa_mixer_get_option):
* ext/dvdnav/dvdnavsrc.c: (dvdnav_get_event_name),
(dvdnavsrc_print_event):
* ext/ogg/gstoggdemux.c: (_find_chain_process), (gst_ogg_print):
* ext/ogg/gstoggmux.c: (gst_ogg_mux_pad_link),
(gst_ogg_mux_pad_unlink):
* gst/multipart/multipartmux.c: (gst_multipart_mux_pad_link),
(gst_multipart_mux_pad_unlink):
* gst/videofilter/gstvideobalance.c:
(gst_videobalance_colorbalance_set_value):
* gst/videomixer/videomixer.c: (gst_videomixer_pad_link),
(gst_videomixer_pad_unlink):
* po/uk.po:
* sys/oss/gstossmixer.c:
* sys/v4l/gstv4lcolorbalance.c:
* sys/v4l/gstv4ltuner.c:
* sys/v4l/v4lsrc_calls.c:
* sys/v4l2/gstv4l2colorbalance.c:
* sys/v4l2/gstv4l2tuner.c:
compile fixes for --disable-gst-debug, G_DISABLE_ASSERT and friends
2004-08-03 16:06:09 +00:00

149 lines
4.6 KiB
C

/* 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)
{
GST_COLOR_BALANCE_TYPE (klass) = GST_COLOR_BALANCE_HARDWARE;
/* 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 G_GNUC_UNUSED 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;
}