gstreamer/gst/deinterlace/gstdeinterlacemethod.h
Sebastian Dröge 03a8379e20 deinterlace: Add support for Y444, Y42B, I420, YV12 and Y41B
The vfir method supports them and will be used until something else
supports it.
2010-04-29 19:28:23 +02:00

195 lines
7.6 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DEINTERLACE_METHOD_H__
#define __GST_DEINTERLACE_METHOD_H__
#include <liboil/liboil.h>
#include <liboil/liboilcpu.h>
#include <liboil/liboilfunction.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#ifdef HAVE_GCC_ASM
#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
{
/* pointer to the start of data for this field */
GstBuffer *buf;
/* see PICTURE_ flags in *.c */
guint flags;
} GstDeinterlaceField;
/*
* This structure defines the deinterlacer plugin.
*/
typedef void (*GstDeinterlaceMethodDeinterlaceFunction) (GstDeinterlaceMethod *self, const GstDeinterlaceField *history, guint history_count, GstBuffer *outbuf);
struct _GstDeinterlaceMethod {
GstObject parent;
GstVideoFormat format;
gint frame_width, frame_height;
gint width[4];
gint height[4];
gint offset[4];
gint row_stride[4];
gint pixel_stride[4];
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, GstVideoFormat format, gint width, gint height);
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yuy2;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yvyu;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_i420;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yv12;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y444;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y42b;
GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y41b;
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, GstVideoFormat format, gint width, gint height);
void gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self, const GstDeinterlaceField * history, guint history_count, GstBuffer * outbuf);
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 *tt0, *t0, *m0, *b0, *bb0;
const guint8 *tt1, *t1, *m1, *b1, *bb1;
const guint8 *tt2, *t2, *m2, *b2, *bb2;
const guint8 *tt3, *t3, *m3, *b3, *bb3;
gboolean bottom_field;
};
/**
* For interpolate_scanline the input is:
*
* | t-3 t-2 t-1 t
* | Field 3 | Field 2 | Field 1 | Field 0 |
* | TT3 | | TT1 | |
* | | T2 | | T0 |
* | M3 | | M1 | |
* | | B2 | | B0 |
* | BB3 | | BB1 | |
*
* For copy_scanline the input is:
*
* | t-3 t-2 t-1 t
* | Field 3 | Field 2 | Field 1 | Field 0 |
* | | TT2 | | TT0 |
* | T3 | | T1 | |
* | | M2 | | M0 |
* | B3 | | B1 | |
* | | BB2 | | BB0 |
*
* All other values are NULL.
*/
typedef void (*GstDeinterlaceSimpleMethodFunction) (GstDeinterlaceSimpleMethod *self, guint8 *out, const GstDeinterlaceScanlineData *scanlines);
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;
/* 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__ */