[vlc-devel] [PATCH] hqdn3d video filter, ported from mplayer
Cheng Sun
chengsun9 at gmail.com
Tue Nov 22 00:09:38 CET 2011
Revised patch for hqdn3d, incorporating suggestions from j-b
---
modules/video_filter/Modules.am | 4 +-
modules/video_filter/hqdn3d.c | 228
+++++++++++++++++++++++++++++++++++++++
modules/video_filter/hqdn3d.h | 205 +++++++++++++++++++++++++++++++++++
3 files changed, 436 insertions(+), 1 deletions(-)
create mode 100644 modules/video_filter/hqdn3d.c
create mode 100644 modules/video_filter/hqdn3d.h
diff --git a/modules/video_filter/Modules.am
b/modules/video_filter/Modules.am
index 0b95838..6a2ac8e 100644
--- a/modules/video_filter/Modules.am
+++ b/modules/video_filter/Modules.am
@@ -90,6 +90,7 @@ SOURCES_atmo = atmo/atmo.cpp \
atmo/AtmoPacketQueue.cpp atmo/AtmoPacketQueue.h
SOURCES_gradfun = gradfun.c gradfun.h
SOURCES_subsdelay = subsdelay.c
+SOURCES_hqdn3d = hqdn3d.c hqdn3d.h
noinst_HEADERS = filter_picture.h
libvlc_LTLIBRARIES += \
@@ -135,4 +136,5 @@ libvlc_LTLIBRARIES += \
libwave_plugin.la \
libgradfun_plugin.la \
libyuvp_plugin.la \
- libantiflicker_plugin.la
+ libantiflicker_plugin.la \
+ libhqdn3d_plugin.la
diff --git a/modules/video_filter/hqdn3d.c b/modules/video_filter/hqdn3d.c
new file mode 100644
index 0000000..0a05199
--- /dev/null
+++ b/modules/video_filter/hqdn3d.c
@@ -0,0 +1,228 @@
+/*****************************************************************************
+ * hqdn3d.c : high-quality denoise 3D ported from MPlayer
+
*****************************************************************************
+ * Copyright (C) 2011 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Cheng Sun <chengsun9 at gmail.com>
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
02110-1301, USA.
+
*****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+
*****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_filter.h>
+#include "filter_picture.h"
+
+
+#include "hqdn3d.h"
+
+/*****************************************************************************
+ * Local protypes
+
*****************************************************************************/
+static int Open (vlc_object_t *);
+static void Close (vlc_object_t *);
+static picture_t *Filter (filter_t *, picture_t *);
+
+/*****************************************************************************
+ * Module descriptor
+
*****************************************************************************/
+
+#define FILTER_PREFIX "hqdn3d-"
+
+#define LUMA_SPAT_TEXT N_("Spatial luma strength (0-254)")
+#define LUMA_SPAT_LONGTEXT N_("Spatial luma strength (default 4)")
+#define CHROMA_SPAT_TEXT N_("Spatial chroma strength (0-254)")
+#define CHROMA_SPAT_LONGTEXT N_("Spatial chroma strength (default 3)")
+#define LUMA_TEMP_TEXT N_("Temporal luma strength (0-254)")
+#define LUMA_TEMP_LONGTEXT N_("Temporal luma strength (default 6)")
+#define CHROMA_TEMP_TEXT N_("Temporal chroma strength (0-254)")
+#define CHROMA_TEMP_LONGTEXT N_("Temporal chroma strength (default
4.5)")
+
+vlc_module_begin()
+ set_shortname(N_("HQ Denoiser 3D"))
+ set_description(N_("High Quality 3D Denoiser filter"))
+ set_capability("video filter2", 0)
+ set_category(CAT_VIDEO)
+ set_subcategory(SUBCAT_VIDEO_VFILTER)
+
+ add_float_with_range(FILTER_PREFIX "luma-spat", 4.0, 0.0, 254.0,
+ LUMA_SPAT_TEXT, LUMA_SPAT_LONGTEXT, false)
+ add_float_with_range(FILTER_PREFIX "chroma-spat", 3.0, 0.0, 254.0,
+ CHROMA_SPAT_TEXT, CHROMA_SPAT_LONGTEXT, false)
+ add_float_with_range(FILTER_PREFIX "luma-temp", 6.0, 0.0, 254.0,
+ LUMA_TEMP_TEXT, LUMA_TEMP_LONGTEXT, false)
+ add_float_with_range(FILTER_PREFIX "chroma-temp", 4.5, 0.0, 254.0,
+ CHROMA_TEMP_TEXT, CHROMA_TEMP_LONGTEXT, false)
+
+ add_shortcut("hqdn3d")
+
+ set_callbacks(Open, Close)
+vlc_module_end()
+
+static const char *const filter_options[] = {
+ "luma-spat", "chroma-spat", "luma-temp", "chroma-temp", NULL
+};
+
+/*****************************************************************************
+ * filter_sys_t
+
*****************************************************************************/
+struct filter_sys_t
+{
+ const vlc_chroma_description_t *chroma;
+ int w[3], h[3];
+
+ float luma_spat;
+ float chroma_spat;
+ float luma_temp;
+ float chroma_temp;
+
+ struct vf_priv_s cfg;
+};
+
+/*****************************************************************************
+ * Open
+
*****************************************************************************/
+static int Open(vlc_object_t *this)
+{
+ filter_t *filter = (filter_t *)this;
+ filter_sys_t *sys;
+ struct vf_priv_s *cfg;
+ const video_format_t *fmt_in = &filter->fmt_in.video;
+ const video_format_t *fmt_out = &filter->fmt_out.video;
+ const vlc_fourcc_t fourcc_in = fmt_in->i_chroma;
+ const vlc_fourcc_t fourcc_out = fmt_out->i_chroma;
+ int wmax = 0, hmax = 0;
+
+ const vlc_chroma_description_t *chroma =
+ vlc_fourcc_GetChromaDescription(fourcc_in);
+ if (!chroma || chroma->plane_count != 3 || chroma->pixel_size != 1) {
+ msg_Err(filter, "Unsupported chroma (%4.4s)", (char*)&fourcc_in);
+ return VLC_EGENERIC;
+ }
+
+ if (fourcc_in != fourcc_out) {
+ msg_Err(filter, "Input and output chromas don't match");
+ return VLC_EGENERIC;
+ }
+
+ /* Allocate structure */
+ sys = malloc(sizeof(filter_sys_t));
+ if (!sys) {
+ return VLC_ENOMEM;
+ }
+ cfg = &sys->cfg;
+
+ sys->chroma = chroma;
+
+ for (int i = 0; i < 3; ++i) {
+ sys->w[i] = fmt_in->i_width * chroma->p[i].w.num /
chroma->p[i].w.den;
+ if (sys->w[i] > wmax) wmax = sys->w[i];
+ sys->h[i] = fmt_out->i_height * chroma->p[i].h.num /
chroma->p[i].h.den;
+ if (sys->h[i] > hmax) hmax = sys->h[i];
+ }
+ cfg->Line = malloc(wmax*sizeof(int));
+ if (!cfg->Line) {
+ free(sys);
+ return VLC_ENOMEM;
+ }
+
+ filter->p_sys = sys;
+ filter->pf_video_filter = Filter;
+
+ config_ChainParse(filter, FILTER_PREFIX, filter_options,
+ filter->p_cfg);
+
+ sys->luma_spat =
+ var_CreateGetFloatCommand(filter, FILTER_PREFIX "luma-spat");
+ sys->chroma_spat =
+ var_CreateGetFloatCommand(filter, FILTER_PREFIX "chroma-spat");
+ sys->luma_temp =
+ var_CreateGetFloatCommand(filter, FILTER_PREFIX "luma-temp");
+ sys->chroma_temp =
+ var_CreateGetFloatCommand(filter, FILTER_PREFIX "chroma-temp");
+
+ PrecalcCoefs(cfg->Coefs[0], sys->luma_spat);
+ PrecalcCoefs(cfg->Coefs[1], sys->luma_temp);
+ PrecalcCoefs(cfg->Coefs[2], sys->chroma_spat);
+ PrecalcCoefs(cfg->Coefs[3], sys->chroma_temp);
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close
+
*****************************************************************************/
+static void Close(vlc_object_t *this)
+{
+ filter_t *filter = (filter_t *)this;
+ filter_sys_t *sys = filter->p_sys;
+ struct vf_priv_s *cfg = &sys->cfg;
+
+ for (int i = 0; i < 3; ++i) {
+ free(cfg->Frame[i]);
+ cfg->Frame[i] = NULL;
+ }
+ free(cfg->Line);
+ cfg->Line = NULL;
+ free(sys);
+}
+
+/*****************************************************************************
+ * Filter
+
*****************************************************************************/
+static picture_t *Filter(filter_t *filter, picture_t *src)
+{
+ picture_t *dst;
+ filter_sys_t *sys = filter->p_sys;
+ struct vf_priv_s *cfg = &sys->cfg;
+
+ if (!src) return NULL;
+
+ dst = filter_NewPicture(filter);
+ if (!dst) {
+ picture_Release(src);
+ return NULL;
+ }
+
+ deNoise(src->p[0].p_pixels, dst->p[0].p_pixels,
+ cfg->Line, &cfg->Frame[0], sys->w[0], sys->h[0],
+ src->p[0].i_pitch, dst->p[0].i_pitch,
+ cfg->Coefs[0],
+ cfg->Coefs[0],
+ cfg->Coefs[1]);
+ deNoise(src->p[1].p_pixels, dst->p[1].p_pixels,
+ cfg->Line, &cfg->Frame[1], sys->w[1], sys->h[1],
+ src->p[1].i_pitch, dst->p[1].i_pitch,
+ cfg->Coefs[2],
+ cfg->Coefs[2],
+ cfg->Coefs[3]);
+ deNoise(src->p[2].p_pixels, dst->p[2].p_pixels,
+ cfg->Line, &cfg->Frame[2], sys->w[2], sys->h[2],
+ src->p[2].i_pitch, dst->p[2].i_pitch,
+ cfg->Coefs[2],
+ cfg->Coefs[2],
+ cfg->Coefs[3]);
+
+ return CopyInfoAndRelease(dst, src);
+}
diff --git a/modules/video_filter/hqdn3d.h b/modules/video_filter/hqdn3d.h
new file mode 100644
index 0000000..6ee2f98
--- /dev/null
+++ b/modules/video_filter/hqdn3d.h
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2003 Daniel Moreno <comac at comac.darktech.org>
+ *
+ * This file is part of MPlayer.
+ *
+ * MPlayer 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.
+ *
+ * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <math.h>
+
+#define PARAM1_DEFAULT 4.0
+#define PARAM2_DEFAULT 3.0
+#define PARAM3_DEFAULT 6.0
+
+//===========================================================================//
+
+struct vf_priv_s {
+ int Coefs[4][512*16];
+ unsigned int *Line;
+ unsigned short *Frame[3];
+};
+
+
+/***************************************************************************/
+
+static /*inline*/ unsigned int LowPassMul(unsigned int PrevMul,
unsigned int CurrMul, int* Coef){
+// int dMul= (PrevMul&0xFFFFFF)-(CurrMul&0xFFFFFF);
+ int dMul= PrevMul-CurrMul;
+ unsigned int d=((dMul+0x10007FF)>>12);
+ return CurrMul + Coef[d];
+}
+
+static void deNoiseTemporal(
+ unsigned char *Frame, // mpi->planes[x]
+ unsigned char *FrameDest, // dmpi->planes[x]
+ unsigned short *FrameAnt,
+ int W, int H, int sStride, int dStride,
+ int *Temporal)
+{
+ long X, Y;
+ unsigned int PixelDst;
+
+ for (Y = 0; Y < H; Y++){
+ for (X = 0; X < W; X++){
+ PixelDst = LowPassMul(FrameAnt[X]<<8, Frame[X]<<16, Temporal);
+ FrameAnt[X] = ((PixelDst+0x1000007F)>>8);
+ FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
+ }
+ Frame += sStride;
+ FrameDest += dStride;
+ FrameAnt += W;
+ }
+}
+
+static void deNoiseSpacial(
+ unsigned char *Frame, // mpi->planes[x]
+ unsigned char *FrameDest, // dmpi->planes[x]
+ unsigned int *LineAnt, // vf->priv->Line
(width bytes)
+ int W, int H, int sStride, int dStride,
+ int *Horizontal, int *Vertical)
+{
+ long X, Y;
+ long sLineOffs = 0, dLineOffs = 0;
+ unsigned int PixelAnt;
+ unsigned int PixelDst;
+
+ /* First pixel has no left nor top neighbor. */
+ PixelDst = LineAnt[0] = PixelAnt = Frame[0]<<16;
+ FrameDest[0]= ((PixelDst+0x10007FFF)>>16);
+
+ /* First line has no top neighbor, only left. */
+ for (X = 1; X < W; X++){
+ PixelDst = LineAnt[X] = LowPassMul(PixelAnt, Frame[X]<<16,
Horizontal);
+ FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
+ }
+
+ for (Y = 1; Y < H; Y++){
+ unsigned int PixelAnt;
+ sLineOffs += sStride, dLineOffs += dStride;
+ /* First pixel on each line doesn't have previous pixel */
+ PixelAnt = Frame[sLineOffs]<<16;
+ PixelDst = LineAnt[0] = LowPassMul(LineAnt[0], PixelAnt, Vertical);
+ FrameDest[dLineOffs]= ((PixelDst+0x10007FFF)>>16);
+
+ for (X = 1; X < W; X++){
+ unsigned int PixelDst;
+ /* The rest are normal */
+ PixelAnt = LowPassMul(PixelAnt, Frame[sLineOffs+X]<<16,
Horizontal);
+ PixelDst = LineAnt[X] = LowPassMul(LineAnt[X], PixelAnt,
Vertical);
+ FrameDest[dLineOffs+X]= ((PixelDst+0x10007FFF)>>16);
+ }
+ }
+}
+
+static void deNoise(unsigned char *Frame, // mpi->planes[x]
+ unsigned char *FrameDest, // dmpi->planes[x]
+ unsigned int *LineAnt, // vf->priv->Line
(width bytes)
+ unsigned short **FrameAntPtr,
+ int W, int H, int sStride, int dStride,
+ int *Horizontal, int *Vertical, int *Temporal)
+{
+ long X, Y;
+ long sLineOffs = 0, dLineOffs = 0;
+ unsigned int PixelAnt;
+ unsigned int PixelDst;
+ unsigned short* FrameAnt=(*FrameAntPtr);
+
+ if(!FrameAnt){
+ (*FrameAntPtr)=FrameAnt=malloc(W*H*sizeof(unsigned short));
+ for (Y = 0; Y < H; Y++){
+ unsigned short* dst=&FrameAnt[Y*W];
+ unsigned char* src=Frame+Y*sStride;
+ for (X = 0; X < W; X++) dst[X]=src[X]<<8;
+ }
+ }
+
+ if(!Horizontal[0] && !Vertical[0]){
+ deNoiseTemporal(Frame, FrameDest, FrameAnt,
+ W, H, sStride, dStride, Temporal);
+ return;
+ }
+ if(!Temporal[0]){
+ deNoiseSpacial(Frame, FrameDest, LineAnt,
+ W, H, sStride, dStride, Horizontal, Vertical);
+ return;
+ }
+
+ /* First pixel has no left nor top neighbor. Only previous frame */
+ LineAnt[0] = PixelAnt = Frame[0]<<16;
+ PixelDst = LowPassMul(FrameAnt[0]<<8, PixelAnt, Temporal);
+ FrameAnt[0] = ((PixelDst+0x1000007F)>>8);
+ FrameDest[0]= ((PixelDst+0x10007FFF)>>16);
+
+ /* First line has no top neighbor. Only left one for each pixel and
+ * last frame */
+ for (X = 1; X < W; X++){
+ LineAnt[X] = PixelAnt = LowPassMul(PixelAnt, Frame[X]<<16,
Horizontal);
+ PixelDst = LowPassMul(FrameAnt[X]<<8, PixelAnt, Temporal);
+ FrameAnt[X] = ((PixelDst+0x1000007F)>>8);
+ FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
+ }
+
+ for (Y = 1; Y < H; Y++){
+ unsigned int PixelAnt;
+ unsigned short* LinePrev=&FrameAnt[Y*W];
+ sLineOffs += sStride, dLineOffs += dStride;
+ /* First pixel on each line doesn't have previous pixel */
+ PixelAnt = Frame[sLineOffs]<<16;
+ LineAnt[0] = LowPassMul(LineAnt[0], PixelAnt, Vertical);
+ PixelDst = LowPassMul(LinePrev[0]<<8, LineAnt[0], Temporal);
+ LinePrev[0] = ((PixelDst+0x1000007F)>>8);
+ FrameDest[dLineOffs]= ((PixelDst+0x10007FFF)>>16);
+
+ for (X = 1; X < W; X++){
+ unsigned int PixelDst;
+ /* The rest are normal */
+ PixelAnt = LowPassMul(PixelAnt, Frame[sLineOffs+X]<<16,
Horizontal);
+ LineAnt[X] = LowPassMul(LineAnt[X], PixelAnt, Vertical);
+ PixelDst = LowPassMul(LinePrev[X]<<8, LineAnt[X], Temporal);
+ LinePrev[X] = ((PixelDst+0x1000007F)>>8);
+ FrameDest[dLineOffs+X]= ((PixelDst+0x10007FFF)>>16);
+ }
+ }
+}
+
+
+//===========================================================================//
+
+#define ABS(A) ( (A) > 0 ? (A) : -(A) )
+
+static void PrecalcCoefs(int *Ct, double Dist25)
+{
+ int i;
+ double Gamma, Simil, C;
+
+ Gamma = log(0.25) / log(1.0 - Dist25/255.0 - 0.00001);
+
+ for (i = -255*16; i <= 255*16; i++)
+ {
+ Simil = 1.0 - ABS(i) / (16*255.0);
+ C = pow(Simil, Gamma) * 65536.0 * (double)i / 16.0;
+ Ct[16*256+i] = (C<0) ? (C-0.5) : (C+0.5);
+ }
+
+ Ct[0] = (Dist25 != 0);
+}
+
+
+//===========================================================================//
--
1.7.7.3
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