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gstreamer/gst/deinterlace2/gstdeinterlace2.h

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/*
* GStreamer
* Copyright (C) 2005 Martin Eikermann <meiker@upb.de>
* Copyright (C) 2008-2009 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_2_H__
#define __GST_DEINTERLACE_2_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <liboil/liboil.h>
#include <liboil/liboilcpu.h>
#include <liboil/liboilfunction.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_DEINTERLACE2 \
(gst_deinterlace2_get_type())
#define GST_DEINTERLACE2(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLACE2,GstDeinterlace2))
#define GST_DEINTERLACE2_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLACE2,GstDeinterlace2))
#define GST_IS_DEINTERLACE2(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLACE2))
#define GST_IS_DEINTERLACE2_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLACE2))
typedef struct _GstDeinterlace2 GstDeinterlace2;
typedef struct _GstDeinterlace2Class GstDeinterlace2Class;
#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;
/*
* This structure defines the deinterlacer plugin.
*/
struct _GstDeinterlaceMethod {
GstObject parent;
};
struct _GstDeinterlaceMethodClass {
GstObjectClass parent_class;
guint fields_required;
guint latency;
void (*deinterlace_frame) (GstDeinterlaceMethod *self, GstDeinterlace2 * parent, GstBuffer *outbuf);
const gchar *name;
const gchar *nick;
};
GType gst_deinterlace_method_get_type (void);
#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 {
guint8 *tt0, *t0, *m0, *b0, *bb0;
guint8 *tt1, *t1, *m1, *b1, *bb1;
guint8 *tt2, *t2, *m2, *b2, *bb2;
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.
*/
struct _GstDeinterlaceSimpleMethod {
GstDeinterlaceMethod parent;
};
struct _GstDeinterlaceSimpleMethodClass {
GstDeinterlaceMethodClass parent_class;
void (*interpolate_scanline) (GstDeinterlaceMethod *self, GstDeinterlace2 * parent, guint8 *out, GstDeinterlaceScanlineData *scanlines, gint width);
void (*copy_scanline) (GstDeinterlaceMethod *self, GstDeinterlace2 * parent, guint8 *out, GstDeinterlaceScanlineData *scanlines, gint width);
};
GType gst_deinterlace_simple_method_get_type (void);
#define MAX_FIELD_HISTORY 10
#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 */
guint flags;
} GstPicture;
typedef enum
{
GST_DEINTERLACE2_TOMSMOCOMP,
GST_DEINTERLACE2_GREEDY_H,
GST_DEINTERLACE2_GREEDY_L,
GST_DEINTERLACE2_VFIR,
GST_DEINTERLACE2_LINEAR,
GST_DEINTERLACE2_LINEAR_BLEND,
GST_DEINTERLACE2_SCALER_BOB,
GST_DEINTERLACE2_WEAVE,
GST_DEINTERLACE2_WEAVE_TFF,
GST_DEINTERLACE2_WEAVE_BFF
} GstDeinterlace2Methods;
typedef enum
{
GST_DEINTERLACE2_ALL, /* All (missing data is interp.) */
GST_DEINTERLACE2_TF, /* Top Fields Only */
GST_DEINTERLACE2_BF /* Bottom Fields Only */
} GstDeinterlace2Fields;
typedef enum
{
GST_DEINTERLACE2_LAYOUT_AUTO,
GST_DEINTERLACE2_LAYOUT_TFF,
GST_DEINTERLACE2_LAYOUT_BFF
} GstDeinterlace2FieldLayout;
typedef enum {
GST_DEINTERLACE2_MODE_AUTO,
GST_DEINTERLACE2_MODE_INTERLACED
} GstDeinterlace2Mode;
struct _GstDeinterlace2
{
GstElement parent;
GstPad *srcpad, *sinkpad;
GstDeinterlace2Mode mode;
GstDeinterlace2FieldLayout field_layout;
guint frame_size;
gint frame_rate_n, frame_rate_d;
gboolean interlaced;
/* Duration of one field */
GstClockTime field_duration;
GstDeinterlace2Fields fields;
GstDeinterlace2Methods method_id;
GstDeinterlaceMethod *method;
/* The most recent pictures
PictureHistory[0] is always the most recent.
Pointers are NULL if the picture in question isn't valid, e.g. because
the program just started or a picture was skipped.
*/
GstPicture field_history[MAX_FIELD_HISTORY];
guint history_count;
/* Number of bytes of actual data in each scanline. May be less than
OverlayPitch since the overlay's scanlines might have alignment
requirements. Generally equal to FrameWidth * 2.
*/
guint row_stride;
/* Number of pixels in each scanline. */
gint frame_width;
/* Number of scanlines per frame. */
gint frame_height;
/* Number of scanlines per field. FrameHeight / 2, mostly for
cleanliness so we don't have to keep dividing FrameHeight by 2.
*/
gint field_height;
/* distance between lines in image
need not match the pixel width
*/
guint field_stride;
};
struct _GstDeinterlace2Class
{
GstElementClass parent_class;
};
GType gst_deinterlace2_get_type (void);
G_END_DECLS
#endif /* __GST_DEINTERLACE_2_H__ */
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