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195 lines
7.6 KiB
C
195 lines
7.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008-2010 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_METHOD_H__
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#define __GST_DEINTERLACE_METHOD_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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#include <gst/gst.h>
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#include <gst/video/video.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_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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#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 in *.c */
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guint flags;
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} GstDeinterlaceField;
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/*
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* This structure defines the deinterlacer plugin.
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*/
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typedef void (*GstDeinterlaceMethodDeinterlaceFunction) (GstDeinterlaceMethod *self, const GstDeinterlaceField *history, guint history_count, GstBuffer *outbuf);
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struct _GstDeinterlaceMethod {
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GstObject parent;
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GstVideoFormat format;
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gint frame_width, frame_height;
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gint width[4];
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gint height[4];
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gint offset[4];
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gint row_stride[4];
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gint pixel_stride[4];
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame;
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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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gboolean (*supported) (GstDeinterlaceMethodClass *klass, GstVideoFormat format, gint width, gint height);
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void (*setup) (GstDeinterlaceMethod *self, GstVideoFormat format, gint width, gint height);
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yuy2;
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yvyu;
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_i420;
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_yv12;
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y444;
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y42b;
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GstDeinterlaceMethodDeinterlaceFunction deinterlace_frame_y41b;
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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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gboolean gst_deinterlace_method_supported (GType type, GstVideoFormat format, gint width, gint height);
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void gst_deinterlace_method_setup (GstDeinterlaceMethod * self, GstVideoFormat format, gint width, gint height);
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void gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self, const GstDeinterlaceField * history, guint history_count, GstBuffer * outbuf);
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gint gst_deinterlace_method_get_fields_required (GstDeinterlaceMethod * self);
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gint gst_deinterlace_method_get_latency (GstDeinterlaceMethod * self);
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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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const guint8 *tt0, *t0, *m0, *b0, *bb0;
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const guint8 *tt1, *t1, *m1, *b1, *bb1;
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const guint8 *tt2, *t2, *m2, *b2, *bb2;
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const 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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typedef void (*GstDeinterlaceSimpleMethodFunction) (GstDeinterlaceSimpleMethod *self, guint8 *out, const GstDeinterlaceScanlineData *scanlines);
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struct _GstDeinterlaceSimpleMethod {
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GstDeinterlaceMethod parent;
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GstDeinterlaceSimpleMethodFunction interpolate_scanline_packed;
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GstDeinterlaceSimpleMethodFunction copy_scanline_packed;
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GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar[3];
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GstDeinterlaceSimpleMethodFunction copy_scanline_planar[3];
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};
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struct _GstDeinterlaceSimpleMethodClass {
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GstDeinterlaceMethodClass parent_class;
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/* Packed formats */
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GstDeinterlaceSimpleMethodFunction interpolate_scanline_yuy2;
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GstDeinterlaceSimpleMethodFunction copy_scanline_yuy2;
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GstDeinterlaceSimpleMethodFunction interpolate_scanline_yvyu;
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GstDeinterlaceSimpleMethodFunction copy_scanline_yvyu;
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/* Planar formats */
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GstDeinterlaceSimpleMethodFunction copy_scanline_planar_y;
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GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar_y;
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GstDeinterlaceSimpleMethodFunction copy_scanline_planar_u;
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GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar_u;
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GstDeinterlaceSimpleMethodFunction copy_scanline_planar_v;
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GstDeinterlaceSimpleMethodFunction interpolate_scanline_planar_v;
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};
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GType gst_deinterlace_simple_method_get_type (void);
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G_END_DECLS
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#endif /* __GST_DEINTERLACE_METHOD_H__ */
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