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gstglvideoflip.h
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gstglvideoflip.h
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/*
* GStreamer
* Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
*
* 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_GL_VIDEO_FLIP_H_
#define _GST_GL_VIDEO_FLIP_H_
#include <gst/gl/gl.h>
G_BEGIN_DECLS
#define GST_TYPE_GL_VIDEO_FLIP (gst_gl_video_flip_get_type())
#define GST_GL_VIDEO_FLIP(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_VIDEO_FLIP,GstGLVideoFlip))
#define GST_IS_GL_VIDEO_FLIP(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_VIDEO_FLIP))
#define GST_GL_VIDEO_FLIP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_VIDEO_FLIP,GstGLVideoFlipClass))
#define GST_IS_GL_VIDEO_FLIP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_VIDEO_FLIP))
#define GST_GL_VIDEO_FLIP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_VIDEO_FLIP,GstGLVideoFlipClass))
/**
* GstVideoFlipMethod:
* @GST_GL_VIDEO_FLIP_METHOD_IDENTITY: Identity (no rotation)
* @GST_GL_VIDEO_FLIP_METHOD_90R: Rotate clockwise 90 degrees
* @GST_GL_VIDEO_FLIP_METHOD_180: Rotate 180 degrees
* @GST_GL_VIDEO_FLIP_METHOD_90L: Rotate counter-clockwise 90 degrees
* @GST_GL_VIDEO_FLIP_METHOD_FLIP_HORIZ: Flip horizontally
* @GST_GL_VIDEO_FLIP_METHOD_FLIP_VERT: Flip vertically
* @GST_GL_VIDEO_FLIP_METHOD_FLIP_UL_LR: Flip across upper left/lower right diagonal
* @GST_GL_VIDEO_FLIP_METHOD_FLIP_UR_LL: Flip across upper right/lower left diagonal
* @GST_GL_VIDEO_FLIP_METHOD_AUTO: Select flip method based on image-orientation tag
*
* The different flip methods.
*/
typedef enum {
GST_GL_VIDEO_FLIP_METHOD_IDENTITY,
GST_GL_VIDEO_FLIP_METHOD_90R,
GST_GL_VIDEO_FLIP_METHOD_180,
GST_GL_VIDEO_FLIP_METHOD_90L,
GST_GL_VIDEO_FLIP_METHOD_FLIP_HORIZ,
GST_GL_VIDEO_FLIP_METHOD_FLIP_VERT,
GST_GL_VIDEO_FLIP_METHOD_FLIP_UL_LR,
GST_GL_VIDEO_FLIP_METHOD_FLIP_UR_LL,
GST_GL_VIDEO_FLIP_METHOD_AUTO,
} GstGLVideoFlipMethod;
typedef struct _GstGLVideoFlip GstGLVideoFlip;
typedef struct _GstGLVideoFlipClass GstGLVideoFlipClass;
struct _GstGLVideoFlip
{
GstBin bin;
GstPad *srcpad;
GstPad *sinkpad;
GstElement *input_capsfilter;
GstElement *transformation;
GstElement *output_capsfilter;
gulong sink_probe;
gulong src_probe;
GstCaps *input_caps;
/* properties */
GstVideoOrientationMethod method;
GstVideoOrientationMethod tag_method;
GstVideoOrientationMethod active_method;
gfloat aspect;
};
struct _GstGLVideoFlipClass
{
GstBinClass filter_class;
};
GType gst_gl_video_flip_get_type (void);
G_END_DECLS
#endif /* _GST_GL_VIDEO_FLIP_H_ */