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ae429de8f6
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/* GStreamer Color Balance
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* color-balance.h: image color balance interface design
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_COLOR_BALANCE_H__
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#define __GST_COLOR_BALANCE_H__
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#include <gst/gst.h>
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#include <gst/video/colorbalancechannel.h>
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G_BEGIN_DECLS
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#define GST_TYPE_COLOR_BALANCE \
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(gst_color_balance_get_type ())
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#define GST_COLOR_BALANCE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE, GstColorBalance))
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#define GST_IS_COLOR_BALANCE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE))
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#define GST_COLOR_BALANCE_GET_INTERFACE(inst) \
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(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_COLOR_BALANCE, GstColorBalanceInterface))
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typedef struct _GstColorBalance GstColorBalance;
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typedef struct _GstColorBalanceInterface GstColorBalanceInterface;
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/**
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* GstColorBalanceType:
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* @GST_COLOR_BALANCE_HARDWARE: Color balance is implemented with dedicated
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* hardware.
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* @GST_COLOR_BALANCE_SOFTWARE: Color balance is implemented via software
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* processing.
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*
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* An enumeration indicating whether an element implements color balancing
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* operations in software or in dedicated hardware. In general, dedicated
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* hardware implementations (such as those provided by xvimagesink) are
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* preferred.
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*/
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typedef enum
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{
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GST_COLOR_BALANCE_HARDWARE,
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GST_COLOR_BALANCE_SOFTWARE
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} GstColorBalanceType;
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/**
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* GstColorBalanceInterface:
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* @iface: the parent interface
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* @get_balance_type: implementation type
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* @list_channels: list handled channels
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* @set_value: set a channel value
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* @get_value: get a channel value
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* @value_changed: default handler for value changed notification
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*
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* Color-balance interface.
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*/
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struct _GstColorBalanceInterface {
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GTypeInterface iface;
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/* virtual functions */
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const GList * (* list_channels) (GstColorBalance *balance);
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void (* set_value) (GstColorBalance *balance,
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GstColorBalanceChannel *channel,
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gint value);
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gint (* get_value) (GstColorBalance *balance,
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GstColorBalanceChannel *channel);
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GstColorBalanceType (*get_balance_type) (GstColorBalance *balance);
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/* signals */
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void (* value_changed) (GstColorBalance *balance,
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GstColorBalanceChannel *channel,
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gint value);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_VIDEO_API
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GType gst_color_balance_get_type (void);
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/* virtual class function wrappers */
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GST_VIDEO_API
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const GList *
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gst_color_balance_list_channels (GstColorBalance *balance);
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GST_VIDEO_API
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void gst_color_balance_set_value (GstColorBalance *balance,
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GstColorBalanceChannel *channel,
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gint value);
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GST_VIDEO_API
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gint gst_color_balance_get_value (GstColorBalance *balance,
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GstColorBalanceChannel *channel);
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GST_VIDEO_API
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GstColorBalanceType
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gst_color_balance_get_balance_type (GstColorBalance *balance);
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/* trigger signal */
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GST_VIDEO_API
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void gst_color_balance_value_changed (GstColorBalance *balance,
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GstColorBalanceChannel *channel,
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gint value);
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G_END_DECLS
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#endif /* __GST_COLOR_BALANCE_H__ */
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