gstreamer/gst/deinterlace/gstdeinterlacemethod.h
Jan Schmidt 1c1bc56a3b deinterlace: Allow for 5 fields for interpolation
Add an extra field to the simple deinterlace implementation,
so that methods can potentially use 5 fields - the current
field, and 2 before and 2 after.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/444>
2020-05-06 17:08:06 +00:00

222 lines
9.5 KiB
C

/*
* GStreamer
* Copyright (C) 2008-2010 Sebastian Dröge <slomo@collabora.co.uk>
*
* 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_DEINTERLACE_METHOD_H__
#define __GST_DEINTERLACE_METHOD_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#if defined(HAVE_GCC_ASM) && defined(HAVE_ORC)
#if defined(HAVE_CPU_I386) || defined(HAVE_CPU_X86_64)
#define BUILD_X86_ASM
#endif
#endif
G_BEGIN_DECLS
#define GST_TYPE_DEINTERLACE_METHOD (gst_deinterlace_method_get_type ())
#define GST_IS_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD))
#define GST_IS_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD))
#define GST_DEINTERLACE_METHOD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass))
#define GST_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethod))
#define GST_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass))
#define GST_DEINTERLACE_METHOD_CAST(obj) ((GstDeinterlaceMethod*)(obj))
typedef struct _GstDeinterlaceMethod GstDeinterlaceMethod;
typedef struct _GstDeinterlaceMethodClass GstDeinterlaceMethodClass;
#define PICTURE_PROGRESSIVE 0
#define PICTURE_INTERLACED_BOTTOM 1
#define PICTURE_INTERLACED_TOP 2
#define PICTURE_INTERLACED_MASK (PICTURE_INTERLACED_BOTTOM | PICTURE_INTERLACED_TOP)
typedef struct
{
GstVideoFrame *frame;
/* see PICTURE_ flags in *.c */
guint flags;
GstVideoTimeCode *tc;
GstVideoCaptionMeta *caption;
} GstDeinterlaceField;
/*
* This structure defines the deinterlacer plugin.
*/
typedef void (*GstDeinterlaceMethodDeinterlaceFunction) (
GstDeinterlaceMethod *self, const GstDeinterlaceField *history,
guint history_count, GstVideoFrame *outframe, int cur_field_idx);
struct _GstDeinterlaceMethod {
GstObject parent;
GstVideoInfo *vinfo;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame;
};
struct _GstDeinterlaceMethodClass {
GstObjectClass parent_class;
guint fields_required;
guint latency;
gboolean (*supported) (GstDeinterlaceMethodClass *klass, GstVideoFormat format, gint width, gint height);
void (*setup) (GstDeinterlaceMethod *self, GstVideoInfo * vinfo);
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yuy2;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yvyu;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_uyvy;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_i420;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yv12;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y444;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y42b;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y41b;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_ayuv;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_nv12;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_nv21;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_argb;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_abgr;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_rgba;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_bgra;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_rgb;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_bgr;
const gchar *name;
const gchar *nick;
};
GType gst_deinterlace_method_get_type (void);
gboolean gst_deinterlace_method_supported (GType type, GstVideoFormat format, gint width, gint height);
void gst_deinterlace_method_setup (GstDeinterlaceMethod * self, GstVideoInfo * vinfo);
void gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self, const GstDeinterlaceField * history, guint history_count, GstVideoFrame * outframe,
int cur_field_idx);
gint gst_deinterlace_method_get_fields_required (GstDeinterlaceMethod * self);
gint gst_deinterlace_method_get_latency (GstDeinterlaceMethod * self);
#define GST_TYPE_DEINTERLACE_SIMPLE_METHOD (gst_deinterlace_simple_method_get_type ())
#define GST_IS_DEINTERLACE_SIMPLE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD))
#define GST_IS_DEINTERLACE_SIMPLE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_SIMPLE_METHOD))
#define GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethodClass))
#define GST_DEINTERLACE_SIMPLE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethod))
#define GST_DEINTERLACE_SIMPLE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethodClass))
#define GST_DEINTERLACE_SIMPLE_METHOD_CAST(obj) ((GstDeinterlaceSimpleMethod*)(obj))
typedef struct _GstDeinterlaceSimpleMethod GstDeinterlaceSimpleMethod;
typedef struct _GstDeinterlaceSimpleMethodClass GstDeinterlaceSimpleMethodClass;
typedef struct _GstDeinterlaceScanlineData GstDeinterlaceScanlineData;
/*
* This structure defines the simple deinterlacer plugin.
*/
struct _GstDeinterlaceScanlineData {
const guint8 *ttp, *tp, *mp, *bp, *bbp;
const guint8 *tt0, *t0, *m0, *b0, *bb0;
const guint8 *tt1, *t1, *m1, *b1, *bb1;
const guint8 *tt2, *t2, *m2, *b2, *bb2;
const guint8 *tp2, *bp2;
gboolean bottom_field;
};
/*
* For interpolate_scanline the input is:
*
* | t-3 t-2 t-1 t t+1 t+2
* | Field 3 | Field 2 | Field 1 | Field 0 | Field -1 | Field -2
* | TT3 | | TT1 | | TTp |
* | | T2 | | T0 | | Tp2
* | M3 | | M1 | | Mp |
* | | B2 | | B0 | | Bp2
* | BB3 | | BB1 | | BBp |
*
* For copy_scanline the input is:
*
* | t-3 t-2 t-1 t t+1
* | Field 3 | Field 2 | Field 1 | Field 0 | Field -1
* | | TT2 | | TT0 |
* | T3 | | T1 | | Tp
* | | M2 | | M0 |
* | B3 | | B1 | | Bp
* | | BB2 | | BB0 |
*
* All other values are NULL.
*/
typedef void (*GstDeinterlaceSimpleMethodFunction) (GstDeinterlaceSimpleMethod *self, guint8 *out, const GstDeinterlaceScanlineData *scanlines, guint size);
struct _GstDeinterlaceSimpleMethod {
GstDeinterlaceMethod parent;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_packed;
GstDeinterlaceSimpleMethodFunction copy_scanline_packed;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar[3];
GstDeinterlaceSimpleMethodFunction copy_scanline_planar[3];
};
struct _GstDeinterlaceSimpleMethodClass {
GstDeinterlaceMethodClass parent_class;
/* Packed formats */
GstDeinterlaceSimpleMethodFunction interpolate_scanline_yuy2;
GstDeinterlaceSimpleMethodFunction copy_scanline_yuy2;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_yvyu;
GstDeinterlaceSimpleMethodFunction copy_scanline_yvyu;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_uyvy;
GstDeinterlaceSimpleMethodFunction copy_scanline_uyvy;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_ayuv;
GstDeinterlaceSimpleMethodFunction copy_scanline_ayuv;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_argb;
GstDeinterlaceSimpleMethodFunction copy_scanline_argb;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_abgr;
GstDeinterlaceSimpleMethodFunction copy_scanline_abgr;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_rgba;
GstDeinterlaceSimpleMethodFunction copy_scanline_rgba;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_bgra;
GstDeinterlaceSimpleMethodFunction copy_scanline_bgra;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_rgb;
GstDeinterlaceSimpleMethodFunction copy_scanline_rgb;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_bgr;
GstDeinterlaceSimpleMethodFunction copy_scanline_bgr;
/* Semi-planar formats */
GstDeinterlaceSimpleMethodFunction interpolate_scanline_nv12;
GstDeinterlaceSimpleMethodFunction copy_scanline_nv12;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_nv21;
GstDeinterlaceSimpleMethodFunction copy_scanline_nv21;
/* Planar formats */
GstDeinterlaceSimpleMethodFunction copy_scanline_planar_y;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar_y;
GstDeinterlaceSimpleMethodFunction copy_scanline_planar_u;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar_u;
GstDeinterlaceSimpleMethodFunction copy_scanline_planar_v;
GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar_v;
};
GType gst_deinterlace_simple_method_get_type (void);
G_END_DECLS
#endif /* __GST_DEINTERLACE_METHOD_H__ */