gstreamer/sys/v4l2/gstv4l2colorbalance.c
Stefan Kost 687ccc01c7 Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
Original commit message from CVS:
* ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_class_init):
* ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_class_init):
* ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_class_init):
* ext/arts/gst_arts.c: (gst_arts_class_init):
* ext/artsd/gstartsdsink.c: (gst_artsdsink_class_init):
* ext/audiofile/gstafsink.c: (gst_afsink_class_init):
* ext/audiofile/gstafsrc.c: (gst_afsrc_class_init):
* ext/audioresample/gstaudioresample.c:
* ext/cdaudio/gstcdaudio.c: (gst_cdaudio_class_init):
* ext/directfb/dfbvideosink.c: (gst_dfbvideosink_class_init):
* ext/divx/gstdivxdec.c: (gst_divxdec_class_init):
* ext/hermes/gsthermescolorspace.c:
(gst_hermes_colorspace_class_init):
* ext/ivorbis/vorbisfile.c: (gst_ivorbisfile_class_init):
* ext/jack/gstjack.c: (gst_jack_class_init):
* ext/jack/gstjackbin.c: (gst_jack_bin_class_init):
* ext/lcs/gstcolorspace.c: (gst_colorspace_class_init):
* ext/libfame/gstlibfame.c: (gst_fameenc_class_init):
* ext/musicbrainz/gsttrm.c: (gst_musicbrainz_class_init):
* ext/nas/nassink.c: (gst_nassink_class_init):
* ext/shout/gstshout.c: (gst_icecastsend_class_init):
* ext/snapshot/gstsnapshot.c: (gst_snapshot_class_init):
* ext/sndfile/gstsf.c: (gst_sf_class_init):
* ext/swfdec/gstswfdec.c: (gst_swfdecbuffer_class_init),
(gst_swfdec_class_init):
* ext/tarkin/gsttarkindec.c: (gst_tarkindec_class_init):
* ext/tarkin/gsttarkinenc.c: (gst_tarkinenc_class_init):
* gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_class_init):
* gst/chart/gstchart.c: (gst_chart_class_init):
* gst/colorspace/gstcolorspace.c: (gst_colorspace_class_init):
* gst/deinterlace/gstdeinterlace.c: (gst_deinterlace_class_init):
* gst/festival/gstfestival.c: (gst_festival_class_init):
* gst/filter/gstbpwsinc.c: (gst_bpwsinc_class_init):
* gst/filter/gstiir.c: (gst_iir_class_init):
* gst/filter/gstlpwsinc.c: (gst_lpwsinc_class_init):
* gst/librfb/gstrfbsrc.c: (gst_rfbsrc_class_init):
* gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_class_init):
* gst/mpeg1sys/gstmpeg1systemencode.c:
(gst_system_encode_class_init):
* gst/mpeg1videoparse/gstmp1videoparse.c:
(gst_mp1videoparse_class_init):
* gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_class_init):
* gst/mpegaudioparse/gstmpegaudioparse.c:
(gst_mp3parse_class_init):
* gst/overlay/gstoverlay.c: (gst_overlay_class_init):
* gst/passthrough/gstpassthrough.c: (passthrough_class_init):
* gst/playondemand/gstplayondemand.c: (play_on_demand_class_init):
* gst/rtjpeg/gstrtjpegdec.c: (gst_rtjpegdec_class_init):
* gst/rtjpeg/gstrtjpegenc.c: (gst_rtjpegenc_class_init):
* gst/smooth/gstsmooth.c: (gst_smooth_class_init):
* gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_class_init):
* gst/spectrum/gstspectrum.c: (gst_spectrum_class_init):
* gst/stereo/gststereo.c: (gst_stereo_class_init):
* gst/switch/gstswitch.c: (gst_switch_class_init):
* gst/tta/gstttadec.c: (gst_tta_dec_class_init):
* gst/tta/gstttaparse.c: (gst_tta_parse_class_init):
* gst/vbidec/gstvbidec.c: (gst_vbidec_class_init):
* gst/videocrop/gstvideocrop.c: (gst_video_crop_class_init):
* gst/virtualdub/gstxsharpen.c: (gst_xsharpen_class_init):
* gst/y4m/gsty4mencode.c: (gst_y4mencode_class_init):
* sys/cdrom/gstcdplayer.c: (cdplayer_class_init):
* sys/directsound/gstdirectsoundsink.c:
(gst_directsoundsink_class_init):
* sys/dxr3/dxr3audiosink.c: (dxr3audiosink_class_init):
* sys/dxr3/dxr3spusink.c: (dxr3spusink_class_init):
* sys/dxr3/dxr3videosink.c: (dxr3videosink_class_init):
* sys/qcam/gstqcamsrc.c: (gst_qcamsrc_class_init):
* sys/v4l2/gstv4l2colorbalance.c:
(gst_v4l2_color_balance_channel_class_init):
* sys/v4l2/gstv4l2tuner.c: (gst_v4l2_tuner_channel_class_init),
(gst_v4l2_tuner_norm_class_init):
* sys/ximagesrc/ximagesrc.c: (gst_ximagesrc_class_init):
Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
2006-04-08 21:48:01 +00:00

149 lines
4.5 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_peek_parent (klass);
}
static void
gst_v4l2_color_balance_channel_init (GstV4l2ColorBalanceChannel * channel)
{
channel->id = (guint32) - 1;
}
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->id, 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->id, &value))
return 0;
return value;
}