Commit b339812c authored by David Schleef's avatar David Schleef

yadif: Add YADIF deinterlacing filter

Code copied from Libav, commit 26e4f0c70.  Will eventually be
moved to -ugly because underlying code is GPL.
parent 10b44cc8
......@@ -396,6 +396,7 @@ AG_GST_CHECK_PLUGIN(videoparsers)
AG_GST_CHECK_PLUGIN(videosignal)
AG_GST_CHECK_PLUGIN(vmnc)
AG_GST_CHECK_PLUGIN(y4m)
AG_GST_CHECK_PLUGIN(yadif)
dnl *** plug-ins to exclude ***
......@@ -2248,6 +2249,7 @@ gst/videoparsers/Makefile
gst/videosignal/Makefile
gst/vmnc/Makefile
gst/y4m/Makefile
gst/yadif/Makefile
gst-libs/Makefile
gst-libs/gst/Makefile
gst-libs/gst/basecamerabinsrc/Makefile
......
plugin_LTLIBRARIES = libgstyadif.la
libgstyadif_la_SOURCES = gstyadif.c gstyadif.h vf_yadif.c yadif.c
libgstyadif_la_CFLAGS = $(GST_BASE_CFLAGS) $(GST_CFLAGS)
libgstyadif_la_LIBADD = -lgstvideo-1.0 $(GST_BASE_LIBS) $(GST_LIBS)
libgstyadif_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstyadif_la_LIBTOOLFLAGS = --tag=disable-static
Android.mk: Makefile.am $(BUILT_SOURCES)
androgenizer \
-:PROJECT libgstyadif -:SHARED libgstyadif \
-:TAGS eng debug \
-:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
-:SOURCES $(libgstyadif_la_SOURCES) \
-:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstyadif_la_CFLAGS) \
-:LDFLAGS $(libgstyadif_la_LDFLAGS) \
$(libgstyadif_la_LIBADD) \
-ldl \
-:PASSTHROUGH LOCAL_ARM_MODE:=arm \
LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \
> $@
This diff is collapsed.
/* GStreamer
* Copyright (C) 2013 Rdio, Inc. <ingestions@rd.io>
* Copyright (C) 2013 David Schleef <ds@schleef.org>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GST_YADIF_H_
#define _GST_YADIF_H_
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_YADIF (gst_yadif_get_type())
#define GST_YADIF(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_YADIF,GstYadif))
#define GST_YADIF_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_YADIF,GstYadifClass))
#define GST_IS_YADIF(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_YADIF))
#define GST_IS_YADIF_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_YADIF))
typedef struct _GstYadif GstYadif;
typedef struct _GstYadifClass GstYadifClass;
struct _GstYadif
{
GstBaseTransform base_yadif;
GstPad *sinkpad;
GstPad *srcpad;
int mode;
GstVideoInfo video_info;
GstVideoFrame prev_frame;
GstVideoFrame cur_frame;
GstVideoFrame next_frame;
GstVideoFrame dest_frame;
};
struct _GstYadifClass
{
GstBaseTransformClass base_yadif_class;
};
GType gst_yadif_get_type (void);
G_END_DECLS
#endif
/*
* Copyright (C) 2013 David Schleef <ds@schleef.org>
* Copyright (C) 2013 Rdio, Inc. <ingestions@rd.io>
* Copyright (C) 2006-2010 Michael Niedermayer <michaelni@gmx.at>
* 2010 James Darnley <james.darnley@gmail.com>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Libav 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with Libav; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <gstyadif.h>
#include <string.h>
#undef NDEBUG
#include <assert.h>
#define FFABS(a) ABS(a)
#define FFMIN(a,b) MIN(a,b)
#define FFMAX(a,b) MAX(a,b)
#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c)
#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c)
#define PERM_RWP AV_PERM_WRITE | AV_PERM_PRESERVE | AV_PERM_REUSE
#define CHECK(j)\
{ int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
+ FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\
+ FFABS(cur[mrefs+1+(j)] - cur[prefs+1-(j)]);\
if (score < spatial_score) {\
spatial_score= score;\
spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\
#define FILTER \
for (x = 0; x < w; x++) { \
int c = cur[mrefs]; \
int d = (prev2[0] + next2[0])>>1; \
int e = cur[prefs]; \
int temporal_diff0 = FFABS(prev2[0] - next2[0]); \
int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1; \
int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1; \
int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \
int spatial_pred = (c+e) >> 1; \
int spatial_score = FFABS(cur[mrefs - 1] - cur[prefs - 1]) + FFABS(c-e) \
+ FFABS(cur[mrefs + 1] - cur[prefs + 1]) - 1; \
\
CHECK(-1) CHECK(-2) }} }} \
CHECK( 1) CHECK( 2) }} }} \
\
if (mode < 2) { \
int b = (prev2[2 * mrefs] + next2[2 * mrefs])>>1; \
int f = (prev2[2 * prefs] + next2[2 * prefs])>>1; \
int max = FFMAX3(d - e, d - c, FFMIN(b - c, f - e)); \
int min = FFMIN3(d - e, d - c, FFMAX(b - c, f - e)); \
\
diff = FFMAX3(diff, min, -max); \
} \
\
if (spatial_pred > d + diff) \
spatial_pred = d + diff; \
else if (spatial_pred < d - diff) \
spatial_pred = d - diff; \
\
dst[0] = spatial_pred; \
\
dst++; \
cur++; \
prev++; \
next++; \
prev2++; \
next2++; \
}
static void
filter_line_c (guint8 * dst,
guint8 * prev, guint8 * cur, guint8 * next,
int w, int prefs, int mrefs, int parity, int mode)
{
int x;
guint8 *prev2 = parity ? prev : cur;
guint8 *next2 = parity ? cur : next;
FILTER}
#if 0
static void
filter_line_c_16bit (guint16 * dst,
guint16 * prev, guint16 * cur, guint16 * next,
int w, int prefs, int mrefs, int parity, int mode)
{
int x;
guint16 *prev2 = parity ? prev : cur;
guint16 *next2 = parity ? cur : next;
mrefs /= 2;
prefs /= 2;
FILTER}
#endif
void yadif_filter (GstYadif * yadif, int parity, int tff);
void filter_line_x86 (guint8 * dst,
guint8 * prev, guint8 * cur, guint8 * next,
int w, int prefs, int mrefs, int parity, int mode);
void
yadif_filter (GstYadif * yadif, int parity, int tff)
{
int y, i;
const GstVideoInfo *vi = &yadif->video_info;
const GstVideoFormatInfo *vfi = vi->finfo;
for (i = 0; i < GST_VIDEO_FORMAT_INFO_N_COMPONENTS (vfi); i++) {
int w = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (vfi, i, vi->width);
int h = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (vfi, i, vi->height);
int refs = GST_VIDEO_INFO_COMP_STRIDE (vi, i);
int df = GST_VIDEO_INFO_COMP_PSTRIDE (vi, i);
guint8 *prev_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->prev_frame, i);
guint8 *cur_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->cur_frame, i);
guint8 *next_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->next_frame, i);
guint8 *dest_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->dest_frame, i);
for (y = 0; y < h; y++) {
if ((y ^ parity) & 1) {
guint8 *prev = prev_data + y * refs;
guint8 *cur = cur_data + y * refs;
guint8 *next = next_data + y * refs;
guint8 *dst = dest_data + y * refs;
int mode = ((y == 1) || (y + 2 == h)) ? 2 : yadif->mode;
if (0) {
filter_line_c (dst, prev, cur, next, w,
y + 1 < h ? refs : -refs, y ? -refs : refs, parity ^ tff, mode);
} else {
filter_line_x86 (dst, prev, cur, next, w,
y + 1 < h ? refs : -refs, y ? -refs : refs, parity ^ tff, mode);
}
} else {
guint8 *dst = dest_data + y * refs;
guint8 *cur = cur_data + y * refs;
memcpy (dst, cur, w * df);
}
}
}
#if 0
emms_c ();
#endif
}
/*
* Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Libav 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with Libav; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <glib.h>
#if 0
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
#include "libavcodec/x86/dsputil_mmx.h"
#include "libavfilter/yadif.h"
#endif
//#if HAVE_INLINE_ASM
typedef struct xmm_reg
{
guint64 a, b;
} xmm_reg;
typedef gint64 x86_reg;
#define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
#define DECLARE_ASM_CONST(n,t,v) static const t __attribute__((used)) __attribute__ ((aligned (n))) v
#define ARCH_X86_64 1
//#if ARCH_X86_64 && defined(__PIC__)
#if 1
# define LOCAL_MANGLE(a) #a "(%%rip)"
#else
# define LOCAL_MANGLE(a) #a
#endif
#define EXTERN_PREFIX ""
#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a)
DECLARE_ASM_CONST (16, const xmm_reg, pb_1) = {
0x0101010101010101ULL, 0x0101010101010101ULL};
DECLARE_ASM_CONST (16, const xmm_reg, pw_1) = {
0x0001000100010001ULL, 0x0001000100010001ULL};
#if HAVE_SSSE3_INLINE
#define COMPILE_TEMPLATE_SSE2 1
#define COMPILE_TEMPLATE_SSSE3 1
#undef RENAME
#define RENAME(a) a ## _ssse3
#include "yadif_template.c"
#undef COMPILE_TEMPLATE_SSSE3
#endif
//#if HAVE_SSE2_INLINE
#undef RENAME
#define RENAME(a) a ## _sse2
#include "yadif_template.c"
#undef COMPILE_TEMPLATE_SSE2
//#endif
#if HAVE_MMXEXT_INLINE
#undef RENAME
#define RENAME(a) a ## _mmxext
#include "yadif_template.c"
#endif
//#endif /* HAVE_INLINE_ASM */
void filter_line_x86 (guint8 * dst,
guint8 * prev, guint8 * cur, guint8 * next,
int w, int prefs, int mrefs, int parity, int mode);
void
filter_line_x86 (guint8 * dst,
guint8 * prev, guint8 * cur, guint8 * next,
int w, int prefs, int mrefs, int parity, int mode)
{
#if 0
#if HAVE_MMXEXT_INLINE
if (cpu_flags & AV_CPU_FLAG_MMXEXT)
yadif->filter_line = yadif_filter_line_mmxext;
#endif
#if HAVE_SSE2_INLINE
if (cpu_flags & AV_CPU_FLAG_SSE2)
yadif->filter_line = yadif_filter_line_sse2;
#endif
#if HAVE_SSSE3_INLINE
if (cpu_flags & AV_CPU_FLAG_SSSE3)
yadif->filter_line = yadif_filter_line_ssse3;
#endif
#endif
yadif_filter_line_sse2 (dst, prev, cur, next, w, prefs, mrefs, parity, mode);
}
This diff is collapsed.
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment