mirror of
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267 lines
8.4 KiB
C
267 lines
8.4 KiB
C
/*
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* GStreamer
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* Copyright (C) 2005 Martin Eikermann <meiker@upb.de>
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* Copyright (C) 2008-2009 Sebastian Dröge <slomo@collabora.co.uk>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_DEINTERLACE_H__
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#define __GST_DEINTERLACE_H__
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <liboil/liboil.h>
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#include <liboil/liboilcpu.h>
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#include <liboil/liboilfunction.h>
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#ifdef HAVE_GCC_ASM
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#if defined(HAVE_CPU_I386) || defined(HAVE_CPU_X86_64)
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#define BUILD_X86_ASM
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#endif
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#endif
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G_BEGIN_DECLS
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#define GST_TYPE_DEINTERLACE \
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(gst_deinterlace_get_type())
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#define GST_DEINTERLACE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLACE,GstDeinterlace))
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#define GST_DEINTERLACE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLACE,GstDeinterlace))
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#define GST_IS_DEINTERLACE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLACE))
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#define GST_IS_DEINTERLACE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLACE))
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typedef struct _GstDeinterlace GstDeinterlace;
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typedef struct _GstDeinterlaceClass GstDeinterlaceClass;
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#define GST_TYPE_DEINTERLACE_METHOD (gst_deinterlace_method_get_type ())
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#define GST_IS_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD))
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#define GST_IS_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD))
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#define GST_DEINTERLACE_METHOD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass))
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#define GST_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethod))
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#define GST_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass))
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#define GST_DEINTERLACE_METHOD_CAST(obj) ((GstDeinterlaceMethod*)(obj))
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typedef struct _GstDeinterlaceMethod GstDeinterlaceMethod;
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typedef struct _GstDeinterlaceMethodClass GstDeinterlaceMethodClass;
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/*
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* This structure defines the deinterlacer plugin.
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*/
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struct _GstDeinterlaceMethod {
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GstObject parent;
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};
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struct _GstDeinterlaceMethodClass {
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GstObjectClass parent_class;
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guint fields_required;
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guint latency;
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void (*deinterlace_frame) (GstDeinterlaceMethod *self, GstDeinterlace * parent, GstBuffer *outbuf);
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const gchar *name;
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const gchar *nick;
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};
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GType gst_deinterlace_method_get_type (void);
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#define GST_TYPE_DEINTERLACE_SIMPLE_METHOD (gst_deinterlace_simple_method_get_type ())
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#define GST_IS_DEINTERLACE_SIMPLE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD))
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#define GST_IS_DEINTERLACE_SIMPLE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_SIMPLE_METHOD))
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#define GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethodClass))
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#define GST_DEINTERLACE_SIMPLE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethod))
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#define GST_DEINTERLACE_SIMPLE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethodClass))
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#define GST_DEINTERLACE_SIMPLE_METHOD_CAST(obj) ((GstDeinterlaceSimpleMethod*)(obj))
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typedef struct _GstDeinterlaceSimpleMethod GstDeinterlaceSimpleMethod;
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typedef struct _GstDeinterlaceSimpleMethodClass GstDeinterlaceSimpleMethodClass;
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typedef struct _GstDeinterlaceScanlineData GstDeinterlaceScanlineData;
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/*
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* This structure defines the simple deinterlacer plugin.
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*/
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struct _GstDeinterlaceScanlineData {
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guint8 *tt0, *t0, *m0, *b0, *bb0;
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guint8 *tt1, *t1, *m1, *b1, *bb1;
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guint8 *tt2, *t2, *m2, *b2, *bb2;
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guint8 *tt3, *t3, *m3, *b3, *bb3;
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gboolean bottom_field;
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};
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/**
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* For interpolate_scanline the input is:
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*
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* | t-3 t-2 t-1 t
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* | Field 3 | Field 2 | Field 1 | Field 0 |
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* | TT3 | | TT1 | |
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* | | T2 | | T0 |
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* | M3 | | M1 | |
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* | | B2 | | B0 |
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* | BB3 | | BB1 | |
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*
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* For copy_scanline the input is:
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*
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* | t-3 t-2 t-1 t
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* | Field 3 | Field 2 | Field 1 | Field 0 |
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* | | TT2 | | TT0 |
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* | T3 | | T1 | |
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* | | M2 | | M0 |
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* | B3 | | B1 | |
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* | | BB2 | | BB0 |
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*
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* All other values are NULL.
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*/
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struct _GstDeinterlaceSimpleMethod {
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GstDeinterlaceMethod parent;
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};
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struct _GstDeinterlaceSimpleMethodClass {
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GstDeinterlaceMethodClass parent_class;
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void (*interpolate_scanline) (GstDeinterlaceMethod *self, GstDeinterlace * parent, guint8 *out, GstDeinterlaceScanlineData *scanlines, gint width);
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void (*copy_scanline) (GstDeinterlaceMethod *self, GstDeinterlace * parent, guint8 *out, GstDeinterlaceScanlineData *scanlines, gint width);
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};
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GType gst_deinterlace_simple_method_get_type (void);
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#define MAX_FIELD_HISTORY 10
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#define PICTURE_PROGRESSIVE 0
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#define PICTURE_INTERLACED_BOTTOM 1
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#define PICTURE_INTERLACED_TOP 2
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#define PICTURE_INTERLACED_MASK (PICTURE_INTERLACED_BOTTOM | PICTURE_INTERLACED_TOP)
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typedef struct
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{
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/* pointer to the start of data for this field */
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GstBuffer *buf;
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/* see PICTURE_ flags */
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guint flags;
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} GstPicture;
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typedef enum
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{
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GST_DEINTERLACE_TOMSMOCOMP,
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GST_DEINTERLACE_GREEDY_H,
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GST_DEINTERLACE_GREEDY_L,
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GST_DEINTERLACE_VFIR,
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GST_DEINTERLACE_LINEAR,
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GST_DEINTERLACE_LINEAR_BLEND,
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GST_DEINTERLACE_SCALER_BOB,
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GST_DEINTERLACE_WEAVE,
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GST_DEINTERLACE_WEAVE_TFF,
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GST_DEINTERLACE_WEAVE_BFF
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} GstDeinterlaceMethods;
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typedef enum
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{
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GST_DEINTERLACE_ALL, /* All (missing data is interp.) */
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GST_DEINTERLACE_TF, /* Top Fields Only */
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GST_DEINTERLACE_BF /* Bottom Fields Only */
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} GstDeinterlaceFields;
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typedef enum
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{
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GST_DEINTERLACE_LAYOUT_AUTO,
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GST_DEINTERLACE_LAYOUT_TFF,
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GST_DEINTERLACE_LAYOUT_BFF
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} GstDeinterlaceFieldLayout;
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typedef enum {
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GST_DEINTERLACE_MODE_AUTO,
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GST_DEINTERLACE_MODE_INTERLACED,
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GST_DEINTERLACE_MODE_DISABLED
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} GstDeinterlaceMode;
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struct _GstDeinterlace
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{
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GstElement parent;
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GstPad *srcpad, *sinkpad;
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/* <private> */
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GstDeinterlaceMode mode;
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GstDeinterlaceFieldLayout field_layout;
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guint frame_size;
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gint frame_rate_n, frame_rate_d;
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gboolean interlaced;
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/* Duration of one field */
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GstClockTime field_duration;
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GstDeinterlaceFields fields;
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GstDeinterlaceMethods method_id;
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GstDeinterlaceMethod *method;
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/* The most recent pictures
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PictureHistory[0] is always the most recent.
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Pointers are NULL if the picture in question isn't valid, e.g. because
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the program just started or a picture was skipped.
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*/
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GstPicture field_history[MAX_FIELD_HISTORY];
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guint history_count;
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/* Set to TRUE if we're in still frame mode,
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i.e. just forward all buffers
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*/
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gboolean still_frame_mode;
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/* Last buffer that was pushed in */
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GstBuffer *last_buffer;
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/* Number of bytes of actual data in each scanline. May be less than
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OverlayPitch since the overlay's scanlines might have alignment
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requirements. Generally equal to FrameWidth * 2.
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*/
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guint row_stride;
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/* Number of pixels in each scanline. */
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gint frame_width;
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/* Number of scanlines per frame. */
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gint frame_height;
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/* Number of scanlines per field. FrameHeight / 2, mostly for
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cleanliness so we don't have to keep dividing FrameHeight by 2.
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*/
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gint field_height;
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/* distance between lines in image
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need not match the pixel width
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*/
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guint field_stride;
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};
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struct _GstDeinterlaceClass
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{
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GstElementClass parent_class;
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};
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GType gst_deinterlace_get_type (void);
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G_END_DECLS
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#endif /* __GST_DEINTERLACE_H__ */
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