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341 lines
12 KiB
C
341 lines
12 KiB
C
/*
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*
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* GStreamer
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* Copyright (c) 2000 Tom Barry All rights reserved.
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* mmx.h port copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>.
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*
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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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/*
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* Relicensed for GStreamer from GPL to LGPL with permit from Tom Barry
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* and Billy Biggs.
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* See: http://bugzilla.gnome.org/show_bug.cgi?id=163578
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "gstdeinterlacemethod.h"
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#include <string.h>
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#include "tvtime.h"
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#define GST_TYPE_DEINTERLACE_METHOD_GREEDY_L (gst_deinterlace_method_greedy_l_get_type ())
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#define GST_IS_DEINTERLACE_METHOD_GREEDY_L(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L))
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#define GST_IS_DEINTERLACE_METHOD_GREEDY_L_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L))
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#define GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyLClass))
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#define GST_DEINTERLACE_METHOD_GREEDY_L(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyL))
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#define GST_DEINTERLACE_METHOD_GREEDY_L_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyLClass))
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#define GST_DEINTERLACE_METHOD_GREEDY_L_CAST(obj) ((GstDeinterlaceMethodGreedyL*)(obj))
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GType gst_deinterlace_method_greedy_l_get_type (void);
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typedef struct
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{
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GstDeinterlaceMethod parent;
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guint max_comb;
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} GstDeinterlaceMethodGreedyL;
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typedef void (*GreedyLScanlineFunction) (GstDeinterlaceMethodGreedyL * self,
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const guint8 * L2, const guint8 * L1, const guint8 * L3, const guint8 * L2P,
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guint8 * Dest, gint width);
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typedef struct
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{
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GstDeinterlaceMethodClass parent_class;
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GreedyLScanlineFunction scanline;
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} GstDeinterlaceMethodGreedyLClass;
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// This is a simple lightweight DeInterlace method that uses little CPU time
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// but gives very good results for low or intermedite motion.
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// It defers frames by one field, but that does not seem to produce noticeable
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// lip sync problems.
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//
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// The method used is to take either the older or newer weave pixel depending
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// upon which give the smaller comb factor, and then clip to avoid large damage
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// when wrong.
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//
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// I'd intended this to be part of a larger more elaborate method added to
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// Blended Clip but this give too good results for the CPU to ignore here.
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static inline void
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deinterlace_greedy_scanline_orc (GstDeinterlaceMethodGreedyL * self,
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const guint8 * m0, const guint8 * t1,
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const guint8 * b1, const guint8 * m2, guint8 * output, gint width)
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{
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deinterlace_line_greedy (output, m0, t1, b1, m2, self->max_comb, width);
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}
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static void
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deinterlace_frame_di_greedy_packed (GstDeinterlaceMethod * method,
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const GstDeinterlaceField * history, guint history_count,
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GstBuffer * outbuf)
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{
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GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (method);
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GstDeinterlaceMethodGreedyLClass *klass =
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GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS (self);
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gint InfoIsOdd = 0;
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gint Line;
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gint RowStride = method->row_stride[0];
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gint FieldHeight = method->frame_height / 2;
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gint Pitch = method->row_stride[0] * 2;
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const guint8 *L1; // ptr to Line1, of 3
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const guint8 *L2; // ptr to Line2, the weave line
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const guint8 *L3; // ptr to Line3
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const guint8 *L2P; // ptr to prev Line2
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guint8 *Dest = GST_BUFFER_DATA (outbuf);
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// copy first even line no matter what, and the first odd line if we're
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// processing an EVEN field. (note diff from other deint rtns.)
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if (history[history_count - 1].flags == PICTURE_INTERLACED_BOTTOM) {
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InfoIsOdd = 1;
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L1 = GST_BUFFER_DATA (history[history_count - 2].buf);
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if (history[history_count - 2].flags & PICTURE_INTERLACED_BOTTOM)
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L1 += RowStride;
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L2 = GST_BUFFER_DATA (history[history_count - 1].buf);
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if (history[history_count - 1].flags & PICTURE_INTERLACED_BOTTOM)
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L2 += RowStride;
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L3 = L1 + Pitch;
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L2P = GST_BUFFER_DATA (history[history_count - 3].buf);
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if (history[history_count - 3].flags & PICTURE_INTERLACED_BOTTOM)
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L2P += RowStride;
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// copy first even line
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memcpy (Dest, L1, RowStride);
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Dest += RowStride;
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} else {
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InfoIsOdd = 0;
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L1 = GST_BUFFER_DATA (history[history_count - 2].buf);
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if (history[history_count - 2].flags & PICTURE_INTERLACED_BOTTOM)
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L1 += RowStride;
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L2 = GST_BUFFER_DATA (history[history_count - 1].buf) + Pitch;
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if (history[history_count - 1].flags & PICTURE_INTERLACED_BOTTOM)
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L2 += RowStride;
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L3 = L1 + Pitch;
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L2P = GST_BUFFER_DATA (history[history_count - 3].buf) + Pitch;
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if (history[history_count - 3].flags & PICTURE_INTERLACED_BOTTOM)
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L2P += RowStride;
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// copy first even line
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memcpy (Dest, L1, RowStride);
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Dest += RowStride;
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// then first odd line
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memcpy (Dest, L1, RowStride);
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Dest += RowStride;
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}
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for (Line = 0; Line < (FieldHeight - 1); ++Line) {
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klass->scanline (self, L2, L1, L3, L2P, Dest, RowStride);
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Dest += RowStride;
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memcpy (Dest, L3, RowStride);
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Dest += RowStride;
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L1 += Pitch;
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L2 += Pitch;
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L3 += Pitch;
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L2P += Pitch;
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}
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if (InfoIsOdd) {
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memcpy (Dest, L2, RowStride);
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}
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}
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static void
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deinterlace_frame_di_greedy_planar_plane (GstDeinterlaceMethodGreedyL * self,
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const guint8 * L1, const guint8 * L2, const guint8 * L3, const guint8 * L2P,
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guint8 * Dest, gint RowStride, gint FieldHeight, gint Pitch, gint InfoIsOdd,
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GreedyLScanlineFunction scanline)
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{
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gint Line;
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// copy first even line no matter what, and the first odd line if we're
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// processing an EVEN field. (note diff from other deint rtns.)
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if (InfoIsOdd) {
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// copy first even line
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memcpy (Dest, L1, RowStride);
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Dest += RowStride;
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} else {
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// copy first even line
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memcpy (Dest, L1, RowStride);
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Dest += RowStride;
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// then first odd line
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memcpy (Dest, L1, RowStride);
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Dest += RowStride;
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}
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for (Line = 0; Line < (FieldHeight - 1); ++Line) {
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scanline (self, L2, L1, L3, L2P, Dest, RowStride);
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Dest += RowStride;
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memcpy (Dest, L3, RowStride);
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Dest += RowStride;
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L1 += Pitch;
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L2 += Pitch;
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L3 += Pitch;
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L2P += Pitch;
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}
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if (InfoIsOdd) {
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memcpy (Dest, L2, RowStride);
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}
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}
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static void
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deinterlace_frame_di_greedy_planar (GstDeinterlaceMethod * method,
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const GstDeinterlaceField * history, guint history_count,
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GstBuffer * outbuf)
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{
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GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (method);
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GstDeinterlaceMethodGreedyLClass *klass =
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GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS (self);
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gint InfoIsOdd;
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gint RowStride;
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gint FieldHeight;
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gint Pitch;
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const guint8 *L1; // ptr to Line1, of 3
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const guint8 *L2; // ptr to Line2, the weave line
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const guint8 *L3; // ptr to Line3
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const guint8 *L2P; // ptr to prev Line2
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guint8 *Dest;
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gint i;
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gint Offset;
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GreedyLScanlineFunction scanline = klass->scanline;
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for (i = 0; i < 3; i++) {
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Offset = method->offset[i];
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InfoIsOdd = (history[history_count - 1].flags == PICTURE_INTERLACED_BOTTOM);
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RowStride = method->row_stride[i];
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FieldHeight = method->height[i] / 2;
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Pitch = method->row_stride[i] * 2;
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Dest = GST_BUFFER_DATA (outbuf) + Offset;
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L1 = GST_BUFFER_DATA (history[history_count - 2].buf) + Offset;
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if (history[history_count - 2].flags & PICTURE_INTERLACED_BOTTOM)
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L1 += RowStride;
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L2 = GST_BUFFER_DATA (history[history_count - 1].buf) + Offset;
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if (history[history_count - 1].flags & PICTURE_INTERLACED_BOTTOM)
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L2 += RowStride;
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L3 = L1 + Pitch;
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L2P = GST_BUFFER_DATA (history[history_count - 3].buf) + Offset;
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if (history[history_count - 3].flags & PICTURE_INTERLACED_BOTTOM)
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L2P += RowStride;
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deinterlace_frame_di_greedy_planar_plane (self, L1, L2, L3, L2P, Dest,
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RowStride, FieldHeight, Pitch, InfoIsOdd, scanline);
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}
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}
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G_DEFINE_TYPE (GstDeinterlaceMethodGreedyL, gst_deinterlace_method_greedy_l,
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GST_TYPE_DEINTERLACE_METHOD);
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enum
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{
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PROP_0,
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PROP_MAX_COMB
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};
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static void
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gst_deinterlace_method_greedy_l_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (object);
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switch (prop_id) {
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case PROP_MAX_COMB:
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self->max_comb = g_value_get_uint (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gst_deinterlace_method_greedy_l_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (object);
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switch (prop_id) {
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case PROP_MAX_COMB:
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g_value_set_uint (value, self->max_comb);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gst_deinterlace_method_greedy_l_class_init (GstDeinterlaceMethodGreedyLClass *
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klass)
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{
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GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
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GObjectClass *gobject_class = (GObjectClass *) klass;
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gobject_class->set_property = gst_deinterlace_method_greedy_l_set_property;
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gobject_class->get_property = gst_deinterlace_method_greedy_l_get_property;
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g_object_class_install_property (gobject_class, PROP_MAX_COMB,
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g_param_spec_uint ("max-comb",
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"Max comb",
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"Max Comb", 0, 255, 15, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
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);
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dim_class->fields_required = 4;
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dim_class->name = "Motion Adaptive: Simple Detection";
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dim_class->nick = "greedyl";
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dim_class->latency = 1;
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dim_class->deinterlace_frame_yuy2 = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_yvyu = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_uyvy = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_y444 = deinterlace_frame_di_greedy_planar;
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dim_class->deinterlace_frame_y42b = deinterlace_frame_di_greedy_planar;
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dim_class->deinterlace_frame_i420 = deinterlace_frame_di_greedy_planar;
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dim_class->deinterlace_frame_yv12 = deinterlace_frame_di_greedy_planar;
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dim_class->deinterlace_frame_y41b = deinterlace_frame_di_greedy_planar;
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dim_class->deinterlace_frame_ayuv = deinterlace_frame_di_greedy_planar;
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dim_class->deinterlace_frame_argb = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_rgba = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_abgr = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_bgra = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_rgb = deinterlace_frame_di_greedy_packed;
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dim_class->deinterlace_frame_bgr = deinterlace_frame_di_greedy_packed;
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klass->scanline = deinterlace_greedy_scanline_orc;
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}
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static void
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gst_deinterlace_method_greedy_l_init (GstDeinterlaceMethodGreedyL * self)
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{
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self->max_comb = 15;
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}
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