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1bb2985777
It performs the exact same operation as videobalance but with opengl shaders and was tested with glvideomixer by comparing frames from videobalance and glcolorbalance.
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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_GL_COLOR_BALANCE_H__
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#define __GST_GL_COLOR_BALANCE_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/gl/gl.h>
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G_BEGIN_DECLS
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#define GST_TYPE_GL_COLOR_BALANCE \
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(gst_gl_color_balance_get_type())
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#define GST_GL_COLOR_BALANCE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_COLOR_BALANCE,GstGLColorBalance))
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#define GST_GL_COLOR_BALANCE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_COLOR_BALANCE,GstGLColorBalanceClass))
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#define GST_IS_GL_COLOR_BALANCE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_COLOR_BALANCE))
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#define GST_IS_GL_COLOR_BALANCE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_COLOR_BALANCE))
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typedef struct _GstGLColorBalance GstGLColorBalance;
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typedef struct _GstGLColorBalanceClass GstGLColorBalanceClass;
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/**
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* GstGLColorBalance:
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*
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* Opaque data structure.
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*/
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struct _GstGLColorBalance {
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GstGLFilter videofilter;
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/* < private > */
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GstGLShader *shader;
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/* channels for interface */
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GList *channels;
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/* properties */
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gdouble contrast;
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gdouble brightness;
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gdouble hue;
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gdouble saturation;
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};
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struct _GstGLColorBalanceClass {
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GstGLFilterClass parent_class;
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};
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GType gst_gl_color_balance_get_type(void);
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G_END_DECLS
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#endif /* __GST_GL_COLOR_BALANCE_H__ */
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