diff options
author | George Hazan <ghazan@miranda.im> | 2022-08-03 21:02:36 +0300 |
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committer | George Hazan <ghazan@miranda.im> | 2022-08-03 21:02:36 +0300 |
commit | 5323a782c4e8c42781f22ce2f488962a18f82554 (patch) | |
tree | f71537197b16f0f8fd0d6937f7120d018d220814 /include/gst/video/colorbalance.h | |
parent | 50acf9d37183f86f6f623aad410003392b0af41f (diff) |
Jabber: initial version of Jingle support
Diffstat (limited to 'include/gst/video/colorbalance.h')
-rw-r--r-- | include/gst/video/colorbalance.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/include/gst/video/colorbalance.h b/include/gst/video/colorbalance.h new file mode 100644 index 0000000000..282ded9fcd --- /dev/null +++ b/include/gst/video/colorbalance.h @@ -0,0 +1,124 @@ +/* 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., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_COLOR_BALANCE_H__ +#define __GST_COLOR_BALANCE_H__ + +#include <gst/gst.h> +#include <gst/video/colorbalancechannel.h> + +G_BEGIN_DECLS + +#define GST_TYPE_COLOR_BALANCE \ + (gst_color_balance_get_type ()) +#define GST_COLOR_BALANCE(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE, GstColorBalance)) +#define GST_IS_COLOR_BALANCE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE)) +#define GST_COLOR_BALANCE_GET_INTERFACE(inst) \ + (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_COLOR_BALANCE, GstColorBalanceInterface)) + +typedef struct _GstColorBalance GstColorBalance; +typedef struct _GstColorBalanceInterface GstColorBalanceInterface; + +/** + * GstColorBalanceType: + * @GST_COLOR_BALANCE_HARDWARE: Color balance is implemented with dedicated + * hardware. + * @GST_COLOR_BALANCE_SOFTWARE: Color balance is implemented via software + * processing. + * + * An enumeration indicating whether an element implements color balancing + * operations in software or in dedicated hardware. In general, dedicated + * hardware implementations (such as those provided by xvimagesink) are + * preferred. + */ +typedef enum +{ + GST_COLOR_BALANCE_HARDWARE, + GST_COLOR_BALANCE_SOFTWARE +} GstColorBalanceType; + +/** + * GstColorBalanceInterface: + * @iface: the parent interface + * @get_balance_type: implementation type + * @list_channels: list handled channels + * @set_value: set a channel value + * @get_value: get a channel value + * @value_changed: default handler for value changed notification + * + * Color-balance interface. + */ +struct _GstColorBalanceInterface { + GTypeInterface iface; + + /* virtual functions */ + const GList * (* list_channels) (GstColorBalance *balance); + + void (* set_value) (GstColorBalance *balance, + GstColorBalanceChannel *channel, + gint value); + gint (* get_value) (GstColorBalance *balance, + GstColorBalanceChannel *channel); + GstColorBalanceType (*get_balance_type) (GstColorBalance *balance); + + /* signals */ + void (* value_changed) (GstColorBalance *balance, + GstColorBalanceChannel *channel, + gint value); + + /*< private >*/ + gpointer _gst_reserved[GST_PADDING]; +}; + +GST_VIDEO_API +GType gst_color_balance_get_type (void); + +/* virtual class function wrappers */ + +GST_VIDEO_API +const GList * + gst_color_balance_list_channels (GstColorBalance *balance); + +GST_VIDEO_API +void gst_color_balance_set_value (GstColorBalance *balance, + GstColorBalanceChannel *channel, + gint value); + +GST_VIDEO_API +gint gst_color_balance_get_value (GstColorBalance *balance, + GstColorBalanceChannel *channel); + +GST_VIDEO_API +GstColorBalanceType + gst_color_balance_get_balance_type (GstColorBalance *balance); + +/* trigger signal */ + +GST_VIDEO_API +void gst_color_balance_value_changed (GstColorBalance *balance, + GstColorBalanceChannel *channel, + gint value); + +G_END_DECLS + +#endif /* __GST_COLOR_BALANCE_H__ */ |