mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
27bde5b96e
Original commit message from CVS: * sys/v4l2/Makefile.am: Fix makefile, list libs in stack order. * sys/v4l2/gstv4l2colorbalance.c: * sys/v4l2/gstv4l2colorbalance.h: * sys/v4l2/gstv4l2object.c: (gst_v4l2_device_get_type), (gst_v4l2_object_install_properties_helper): * sys/v4l2/gstv4l2object.h: * sys/v4l2/gstv4l2src.c: (gst_v4l2src_get_read), (gst_v4l2src_get_mmap), (gst_v4l2src_create): * sys/v4l2/gstv4l2src.h: * sys/v4l2/gstv4l2tuner.h: * sys/v4l2/gstv4l2vidorient.h: * sys/v4l2/gstv4l2xoverlay.h: * sys/v4l2/v4l2_calls.h: * sys/v4l2/v4l2src_calls.h: Fix coding style: - Remove extern from functions. - Fix header indentation. Fix Flags, add defaults for properties. Remove unused enums. Fix TOO_LAZY in error messages.
106 lines
3 KiB
C
106 lines
3 KiB
C
/* GStreamer
|
|
*
|
|
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
* 2006 Edgard Lima <edgard.lima@indt.org.br>
|
|
*
|
|
* 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 "gstv4l2object.h"
|
|
|
|
GST_BOILERPLATE (GstV4l2ColorBalanceChannel,
|
|
gst_v4l2_color_balance_channel,
|
|
GstColorBalanceChannel, GST_TYPE_COLOR_BALANCE_CHANNEL);
|
|
|
|
static void
|
|
gst_v4l2_color_balance_channel_base_init (gpointer g_class)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gst_v4l2_color_balance_channel_class_init (GstV4l2ColorBalanceChannelClass *
|
|
klass)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gst_v4l2_color_balance_channel_init (GstV4l2ColorBalanceChannel * channel,
|
|
GstV4l2ColorBalanceChannelClass * klass)
|
|
{
|
|
channel->id = (guint32) - 1;
|
|
}
|
|
|
|
static G_GNUC_UNUSED gboolean
|
|
gst_v4l2_color_balance_contains_channel (GstV4l2Object * v4l2object,
|
|
GstV4l2ColorBalanceChannel * v4l2channel)
|
|
{
|
|
const GList *item;
|
|
|
|
for (item = v4l2object->colors; item != NULL; item = item->next)
|
|
if (item->data == v4l2channel)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
const GList *
|
|
gst_v4l2_color_balance_list_channels (GstV4l2Object * v4l2object)
|
|
{
|
|
return v4l2object->colors;
|
|
}
|
|
|
|
void
|
|
gst_v4l2_color_balance_set_value (GstV4l2Object * v4l2object,
|
|
GstColorBalanceChannel * channel, gint value)
|
|
{
|
|
|
|
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 (v4l2object));
|
|
g_return_if_fail (gst_v4l2_color_balance_contains_channel (v4l2object,
|
|
v4l2channel));
|
|
|
|
gst_v4l2_set_attribute (v4l2object, v4l2channel->id, value);
|
|
}
|
|
|
|
gint
|
|
gst_v4l2_color_balance_get_value (GstV4l2Object * v4l2object,
|
|
GstColorBalanceChannel * channel)
|
|
{
|
|
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 (v4l2object), 0);
|
|
g_return_val_if_fail (gst_v4l2_color_balance_contains_channel (v4l2object,
|
|
v4l2channel), 0);
|
|
|
|
if (!gst_v4l2_get_attribute (v4l2object, v4l2channel->id, &value))
|
|
return 0;
|
|
|
|
return value;
|
|
}
|