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ffmpeg.wasm-core
Commit d4a46613 authored by Michael Niedermayer's avatar Michael Niedermayer
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j2k/jpeg2000: merge j2k & jpeg2000 dwts, drop j2k dwt 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 160ea265
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Showing with 166 additions and 465 deletions
libavcodec/Makefile
View file @ d4a46613
......@@ -243,8 +243,8 @@ OBJS-$(CONFIG_INDEO5_DECODER) += indeo5.o ivi_common.o ivi_dsp.o
OBJS-$(CONFIG_INTERPLAY_DPCM_DECODER) += dpcm.o
OBJS-$(CONFIG_INTERPLAY_VIDEO_DECODER) += interplayvideo.o
OBJS-$(CONFIG_JACOSUB_DECODER) += jacosubdec.o ass.o
OBJS-$(CONFIG_J2K_DECODER) += j2kdec.o mqcdec.o mqc.o j2k.o j2k_dwt.o
OBJS-$(CONFIG_J2K_ENCODER) += j2kenc.o mqcenc.o mqc.o j2k.o j2k_dwt.o
OBJS-$(CONFIG_J2K_DECODER) += j2kdec.o mqcdec.o mqc.o j2k.o
OBJS-$(CONFIG_J2K_ENCODER) += j2kenc.o mqcenc.o mqc.o j2k.o
OBJS-$(CONFIG_JPEG2000_DECODER) += jpeg2000dec.o jpeg2000.o \
jpeg2000dwt.o mqcdec.o mqc.o
OBJS-$(CONFIG_JPEGLS_DECODER) += jpeglsdec.o jpegls.o \
......
libavcodec/j2k.c
View file @ d4a46613
......@@ -184,7 +184,7 @@ int ff_j2k_init_component(Jpeg2000Component *comp,
uint8_t log2_band_prec_width, log2_band_prec_height;
int reslevelno, bandno, gbandno = 0, ret, i, j, csize = 1;
if (ret=ff_j2k_dwt_init(&comp->dwt, comp->coord, codsty->nreslevels-1, codsty->transform))
if (ret=ff_jpeg2000_dwt_init(&comp->dwt, comp->coord, codsty->nreslevels-1, codsty->transform == FF_DWT53 ? FF_DWT53 : FF_DWT97_INT))
return ret;
for (i = 0; i < 2; i++)
csize *= comp->coord[i][1] - comp->coord[i][0];
......@@ -483,7 +483,7 @@ void ff_j2k_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
av_freep(&reslevel->band);
}
ff_j2k_dwt_destroy(&comp->dwt);
ff_dwt_destroy(&comp->dwt);
av_freep(&comp->reslevel);
av_freep(&comp->data);
}
libavcodec/j2k.h
View file @ d4a46613
......@@ -33,7 +33,7 @@
#include "avcodec.h"
#include "mqc.h"
#include "j2k_dwt.h"
#include "jpeg2000dwt.h"
enum Jpeg2000Markers {
JPEG2000_SOC = 0xff4f, // start of codestream
......
libavcodec/j2k_dwt.c deleted 100644 → 0
View file @ 160ea265
/*
* Discrete wavelet transform
* Copyright (c) 2007 Kamil Nowosad
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* Discrete wavelet transform
* @file
* @author Kamil Nowosad
*/
#include "j2k_dwt.h"
static const float scale97[] = {1.625786, 1.230174};
static inline void extend53(int *p, int i0, int i1)
{
p[i0 - 1] = p[i0 + 1];
p[i1 ] = p[i1 - 2];
p[i0 - 2] = p[i0 + 2];
p[i1 + 1] = p[i1 - 3];
}
static inline void extend97(float *p, int i0, int i1)
{
int i;
for (i = 1; i <= 4; i++){
p[i0 - i] = p[i0 + i];
p[i1 + i - 1] = p[i1 - i - 1];
}
}
static void sd_1d53(int *p, int i0, int i1)
{
int i;
if (i1 == i0 + 1)
return;
extend53(p, i0, i1);
for (i = (i0+1)/2 - 1; i < (i1+1)/2; i++)
p[2*i+1] -= (p[2*i] + p[2*i+2]) >> 1;
for (i = (i0+1)/2; i < (i1+1)/2; i++)
p[2*i] += (p[2*i-1] + p[2*i+1] + 2) >> 2;
}
static void dwt_encode53(DWTContext *s, int *t)
{
int lev,
w = s->linelen[s->ndeclevels-1][0];
int *line = s->linebuf;
line += 3;
for (lev = s->ndeclevels-1; lev >= 0; lev--){
int lh = s->linelen[lev][0],
lv = s->linelen[lev][1],
mh = s->mod[lev][0],
mv = s->mod[lev][1],
lp;
int *l;
// HOR_SD
l = line + mh;
for (lp = 0; lp < lv; lp++){
int i, j = 0;
for (i = 0; i < lh; i++)
l[i] = t[w*lp + i];
sd_1d53(line, mh, mh + lh);
// copy back and deinterleave
for (i = mh; i < lh; i+=2, j++)
t[w*lp + j] = l[i];
for (i = 1-mh; i < lh; i+=2, j++)
t[w*lp + j] = l[i];
}
// VER_SD
l = line + mv;
for (lp = 0; lp < lh; lp++) {
int i, j = 0;
for (i = 0; i < lv; i++)
l[i] = t[w*i + lp];
sd_1d53(line, mv, mv + lv);
// copy back and deinterleave
for (i = mv; i < lv; i+=2, j++)
t[w*j + lp] = l[i];
for (i = 1-mv; i < lv; i+=2, j++)
t[w*j + lp] = l[i];
}
}
}
static void sd_1d97(float *p, int i0, int i1)
{
int i;
if (i1 == i0 + 1)
return;
extend97(p, i0, i1);
i0++; i1++;
for (i = i0/2 - 2; i < i1/2 + 1; i++)
p[2*i+1] -= 1.586134 * (p[2*i] + p[2*i+2]);
for (i = i0/2 - 1; i < i1/2 + 1; i++)
p[2*i] -= 0.052980 * (p[2*i-1] + p[2*i+1]);
for (i = i0/2 - 1; i < i1/2; i++)
p[2*i+1] += 0.882911 * (p[2*i] + p[2*i+2]);
for (i = i0/2; i < i1/2; i++)
p[2*i] += 0.443506 * (p[2*i-1] + p[2*i+1]);
}
static void dwt_encode97(DWTContext *s, int *t)
{
int lev,
w = s->linelen[s->ndeclevels-1][0];
float *line = s->linebuf;
line += 5;
for (lev = s->ndeclevels-1; lev >= 0; lev--){
int lh = s->linelen[lev][0],
lv = s->linelen[lev][1],
mh = s->mod[lev][0],
mv = s->mod[lev][1],
lp;
float *l;
// HOR_SD
l = line + mh;
for (lp = 0; lp < lv; lp++){
int i, j = 0;
for (i = 0; i < lh; i++)
l[i] = t[w*lp + i];
sd_1d97(line, mh, mh + lh);
// copy back and deinterleave
for (i = mh; i < lh; i+=2, j++)
t[w*lp + j] = scale97[0] * l[i] / 2;
for (i = 1-mh; i < lh; i+=2, j++)
t[w*lp + j] = scale97[1] * l[i] / 2;
}
// VER_SD
l = line + mv;
for (lp = 0; lp < lh; lp++) {
int i, j = 0;
for (i = 0; i < lv; i++)
l[i] = t[w*i + lp];
sd_1d97(line, mv, mv + lv);
// copy back and deinterleave
for (i = mv; i < lv; i+=2, j++)
t[w*j + lp] = scale97[0] * l[i] / 2;
for (i = 1-mv; i < lv; i+=2, j++)
t[w*j + lp] = scale97[1] * l[i] / 2;
}
}
}
static void sr_1d53(int *p, int i0, int i1)
{
int i;
if (i1 == i0 + 1)
return;
extend53(p, i0, i1);
for (i = i0/2; i < i1/2 + 1; i++)
p[2*i] -= (p[2*i-1] + p[2*i+1] + 2) >> 2;
for (i = i0/2; i < i1/2; i++)
p[2*i+1] += (p[2*i] + p[2*i+2]) >> 1;
}
static void dwt_decode53(DWTContext *s, int *t)
{
int lev,
w = s->linelen[s->ndeclevels-1][0];
int *line = s->linebuf;
line += 3;
for (lev = 0; lev < s->ndeclevels; lev++){
int lh = s->linelen[lev][0],
lv = s->linelen[lev][1],
mh = s->mod[lev][0],
mv = s->mod[lev][1],
lp;
int *l;
// HOR_SD
l = line + mh;
for (lp = 0; lp < lv; lp++){
int i, j = 0;
// copy with interleaving
for (i = mh; i < lh; i+=2, j++)
l[i] = t[w*lp + j];
for (i = 1-mh; i < lh; i+=2, j++)
l[i] = t[w*lp + j];
sr_1d53(line, mh, mh + lh);
for (i = 0; i < lh; i++)
t[w*lp + i] = l[i];
}
// VER_SD
l = line + mv;
for (lp = 0; lp < lh; lp++){
int i, j = 0;
// copy with interleaving
for (i = mv; i < lv; i+=2, j++)
l[i] = t[w*j + lp];
for (i = 1-mv; i < lv; i+=2, j++)
l[i] = t[w*j + lp];
sr_1d53(line, mv, mv + lv);
for (i = 0; i < lv; i++)
t[w*i + lp] = l[i];
}
}
}
static void sr_1d97(float *p, int i0, int i1)
{
int i;
if (i1 == i0 + 1)
return;
extend97(p, i0, i1);
for (i = i0/2 - 1; i < i1/2 + 2; i++)
p[2*i] -= 0.443506 * (p[2*i-1] + p[2*i+1]);
for (i = i0/2 - 1; i < i1/2 + 1; i++)
p[2*i+1] -= 0.882911 * (p[2*i] + p[2*i+2]);
for (i = i0/2; i < i1/2 + 1; i++)
p[2*i] += 0.052980 * (p[2*i-1] + p[2*i+1]);
for (i = i0/2; i < i1/2; i++)
p[2*i+1] += 1.586134 * (p[2*i] + p[2*i+2]);
}
static void dwt_decode97(DWTContext *s, int *t)
{
int lev,
w = s->linelen[s->ndeclevels-1][0];
float *line = s->linebuf;
line += 5;
for (lev = 0; lev < s->ndeclevels; lev++){
int lh = s->linelen[lev][0],
lv = s->linelen[lev][1],
mh = s->mod[lev][0],
mv = s->mod[lev][1],
lp;
float *l;
// HOR_SD
l = line + mh;
for (lp = 0; lp < lv; lp++){
int i, j = 0;
// copy with interleaving
for (i = mh; i < lh; i+=2, j++)
l[i] = scale97[1] * t[w*lp + j];
for (i = 1-mh; i < lh; i+=2, j++)
l[i] = scale97[0] * t[w*lp + j];
sr_1d97(line, mh, mh + lh);
for (i = 0; i < lh; i++)
t[w*lp + i] = l[i];
}
// VER_SD
l = line + mv;
for (lp = 0; lp < lh; lp++){
int i, j = 0;
// copy with interleaving
for (i = mv; i < lv; i+=2, j++)
l[i] = scale97[1] * t[w*j + lp];
for (i = 1-mv; i < lv; i+=2, j++)
l[i] = scale97[0] * t[w*j + lp];
sr_1d97(line, mv, mv + lv);
for (i = 0; i < lv; i++)
t[w*i + lp] = l[i];
}
}
}
int ff_j2k_dwt_init(DWTContext *s, uint16_t border[2][2], int decomp_levels, int type)
{
int i, j, lev = decomp_levels, maxlen,
b[2][2];
if ((unsigned)decomp_levels >= FF_DWT_MAX_DECLVLS)
return AVERROR_INVALIDDATA;
s->ndeclevels = decomp_levels;
s->type = type;
for (i = 0; i < 2; i++)
for(j = 0; j < 2; j++)
b[i][j] = border[i][j];
maxlen = FFMAX(b[0][1] - b[0][0],
b[1][1] - b[1][0]);
while(--lev >= 0){
for (i = 0; i < 2; i++){
s->linelen[lev][i] = b[i][1] - b[i][0];
s->mod[lev][i] = b[i][0] & 1;
for (j = 0; j < 2; j++)
b[i][j] = (b[i][j] + 1) >> 1;
}
}
if (type == FF_DWT97)
s->linebuf = av_malloc((maxlen + 12) * sizeof(float));
else if (type == FF_DWT53)
s->linebuf = av_malloc((maxlen + 6) * sizeof(int));
else
return -1;
if (!s->linebuf)
return AVERROR(ENOMEM);
return 0;
}
int ff_j2k_dwt_encode(DWTContext *s, int *t)
{
switch(s->type){
case FF_DWT97:
dwt_encode97(s, t); break;
case FF_DWT53:
dwt_encode53(s, t); break;
default:
return -1;
}
return 0;
}
int ff_j2k_dwt_decode(DWTContext *s, int *t)
{
switch(s->type){
case FF_DWT97:
dwt_decode97(s, t); break;
case FF_DWT53:
dwt_decode53(s, t); break;
default:
return -1;
}
return 0;
}
void ff_j2k_dwt_destroy(DWTContext *s)
{
av_freep(&s->linebuf);
}
libavcodec/j2k_dwt.h deleted 100644 → 0
View file @ 160ea265
/*
* Discrete wavelet transform
* Copyright (c) 2007 Kamil Nowosad
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_DWT_H
#define AVCODEC_DWT_H
/**
* Discrete wavelet transform
* @file
* @author Kamil Nowosad
*/
#include "avcodec.h"
#define FF_DWT_MAX_DECLVLS 32 ///< max number of decomposition levels
enum DWTType{
FF_DWT97,
FF_DWT53
};
typedef struct {
///line lengths {horizontal, vertical} in consecutive decomposition levels
uint16_t linelen[FF_DWT_MAX_DECLVLS][2];
uint8_t mod[FF_DWT_MAX_DECLVLS][2]; ///< coordinates (x0, y0) of decomp. levels mod 2
uint8_t ndeclevels; ///< number of decomposition levels
uint8_t type; ///< 0 for 9/7; 1 for 5/3
void *linebuf; ///< buffer used by transform (int or float)
} DWTContext;
/**
* initialize DWT
* @param s DWT context
* @param border coordinates of transformed region {{x0, x1}, {y0, y1}}
* @param decomp_levels number of decomposition levels
* @param type 0 for DWT 9/7; 1 for DWT 5/3
*/
int ff_j2k_dwt_init(DWTContext *s, uint16_t border[2][2], int decomp_levels, int type);
int ff_j2k_dwt_encode(DWTContext *s, int *t);
int ff_j2k_dwt_decode(DWTContext *s, int *t);
void ff_j2k_dwt_destroy(DWTContext *s);
#endif /* AVCODEC_DWT_H */
libavcodec/j2kdec.c
View file @ d4a46613
......@@ -841,7 +841,7 @@ static int decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
} /* end band */
} /* end reslevel */
ff_j2k_dwt_decode(&comp->dwt, comp->data);
ff_dwt_decode(&comp->dwt, comp->data);
src[compno] = comp->data;
} /*end comp */
......
libavcodec/j2kenc.c
View file @ d4a46613
......@@ -819,7 +819,7 @@ static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno
Jpeg2000Component *comp = s->tile[tileno].comp + compno;
av_log(s->avctx, AV_LOG_DEBUG,"dwt\n");
if (ret = ff_j2k_dwt_encode(&comp->dwt, comp->data))
if (ret = ff_dwt_encode(&comp->dwt, comp->data))
return ret;
av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n");
......
libavcodec/jpeg2000dwt.c
View file @ d4a46613
......@@ -51,7 +51,6 @@
#define I_LFTG_K 80621
#define I_LFTG_X 106544
static inline void extend53(int *p, int i0, int i1)
{
p[i0 - 1] = p[i0 + 1];
......@@ -80,6 +79,143 @@ static inline void extend97_int(int32_t *p, int i0, int i1)
}
}
static void sd_1d53(int *p, int i0, int i1)
{
int i;
if (i1 == i0 + 1)
return;
extend53(p, i0, i1);
for (i = (i0+1)/2 - 1; i < (i1+1)/2; i++)
p[2*i+1] -= (p[2*i] + p[2*i+2]) >> 1;
for (i = (i0+1)/2; i < (i1+1)/2; i++)
p[2*i] += (p[2*i-1] + p[2*i+1] + 2) >> 2;
}
static void dwt_encode53(DWTContext *s, int *t)
{
int lev,
w = s->linelen[s->ndeclevels-1][0];
int *line = s->i_linebuf;
line += 3;
for (lev = s->ndeclevels-1; lev >= 0; lev--){
int lh = s->linelen[lev][0],
lv = s->linelen[lev][1],
mh = s->mod[lev][0],
mv = s->mod[lev][1],
lp;
int *l;
// HOR_SD
l = line + mh;
for (lp = 0; lp < lv; lp++){
int i, j = 0;
for (i = 0; i < lh; i++)
l[i] = t[w*lp + i];
sd_1d53(line, mh, mh + lh);
// copy back and deinterleave
for (i = mh; i < lh; i+=2, j++)
t[w*lp + j] = l[i];
for (i = 1-mh; i < lh; i+=2, j++)
t[w*lp + j] = l[i];
}
// VER_SD
l = line + mv;
for (lp = 0; lp < lh; lp++) {
int i, j = 0;
for (i = 0; i < lv; i++)
l[i] = t[w*i + lp];
sd_1d53(line, mv, mv + lv);
// copy back and deinterleave
for (i = mv; i < lv; i+=2, j++)
t[w*j + lp] = l[i];
for (i = 1-mv; i < lv; i+=2, j++)
t[w*j + lp] = l[i];
}
}
}
static void sd_1d97(float *p, int i0, int i1)
{
int i;
if (i1 == i0 + 1)
return;
extend97_float(p, i0, i1);
i0++; i1++;
for (i = i0/2 - 2; i < i1/2 + 1; i++)
p[2*i+1] -= 1.586134 * (p[2*i] + p[2*i+2]);
for (i = i0/2 - 1; i < i1/2 + 1; i++)
p[2*i] -= 0.052980 * (p[2*i-1] + p[2*i+1]);
for (i = i0/2 - 1; i < i1/2; i++)
p[2*i+1] += 0.882911 * (p[2*i] + p[2*i+2]);
for (i = i0/2; i < i1/2; i++)
p[2*i] += 0.443506 * (p[2*i-1] + p[2*i+1]);
}
static void dwt_encode97_int(DWTContext *s, int *t)
{
int lev,
w = s->linelen[s->ndeclevels-1][0];
float *line = s->i_linebuf;
line += 5;
for (lev = s->ndeclevels-1; lev >= 0; lev--){
int lh = s->linelen[lev][0],
lv = s->linelen[lev][1],
mh = s->mod[lev][0],
mv = s->mod[lev][1],
lp;
float *l;
// HOR_SD
l = line + mh;
for (lp = 0; lp < lv; lp++){
int i, j = 0;
for (i = 0; i < lh; i++)
l[i] = t[w*lp + i];
sd_1d97(line, mh, mh + lh);
// copy back and deinterleave
for (i = mh; i < lh; i+=2, j++)
t[w*lp + j] = F_LFTG_X * l[i] / 2;
for (i = 1-mh; i < lh; i+=2, j++)
t[w*lp + j] = F_LFTG_K * l[i] / 2;
}
// VER_SD
l = line + mv;
for (lp = 0; lp < lh; lp++) {
int i, j = 0;
for (i = 0; i < lv; i++)
l[i] = t[w*i + lp];
sd_1d97(line, mv, mv + lv);
// copy back and deinterleave
for (i = mv; i < lv; i+=2, j++)
t[w*j + lp] = F_LFTG_X * l[i] / 2;
for (i = 1-mv; i < lv; i+=2, j++)
t[w*j + lp] = F_LFTG_K * l[i] / 2;
}
}
}
static void sr_1d53(int *p, int i0, int i1)
{
int i;
......@@ -346,6 +482,19 @@ int ff_jpeg2000_dwt_init(DWTContext *s, uint16_t border[2][2],
return 0;
}
int ff_dwt_encode(DWTContext *s, int *t)
{
switch(s->type){
case FF_DWT97_INT:
dwt_encode97_int(s, t); break;
case FF_DWT53:
dwt_encode53(s, t); break;
default:
return -1;
}
return 0;
}
int ff_dwt_decode(DWTContext *s, void *t)
{
switch (s->type) {
......
libavcodec/jpeg2000dwt.h
View file @ d4a46613
......@@ -57,6 +57,7 @@ typedef struct DWTContext {
int ff_jpeg2000_dwt_init(DWTContext *s, uint16_t border[2][2],
int decomp_levels, int type);
int ff_dwt_encode(DWTContext *s, int *t);
int ff_dwt_decode(DWTContext *s, void *t);
void ff_dwt_destroy(DWTContext *s);
......
tests/ref/vsynth/vsynth1-j2k-97
View file @ d4a46613
fc02bacb438c091a96ab327ab7aca5f9 *tests/data/fate/vsynth1-j2k-97.avi
2034146 tests/data/fate/vsynth1-j2k-97.avi
5975c315f9fd79e57e26bda1f749e8f6 *tests/data/fate/vsynth1-j2k-97.out.rawvideo
stddev: 8.77 PSNR: 29.26 MAXDIFF: 104 bytes: 7603200/ 7603200
1222a8f36e34ce161a04afc1a0be37ec *tests/data/fate/vsynth1-j2k-97.avi
2034226 tests/data/fate/vsynth1-j2k-97.avi
42bb661ff1927fd6691ed99a755df5ea *tests/data/fate/vsynth1-j2k-97.out.rawvideo
stddev: 7.58 PSNR: 30.53 MAXDIFF: 104 bytes: 7603200/ 7603200
tests/ref/vsynth/vsynth2-j2k-97
View file @ d4a46613
316ae4cce1ba8cf0b359c9d25322711f *tests/data/fate/vsynth2-j2k-97.avi
1005146 tests/data/fate/vsynth2-j2k-97.avi
b7826bc75f9c04754d12fa01b3e69a4a *tests/data/fate/vsynth2-j2k-97.out.rawvideo
stddev: 7.91 PSNR: 30.16 MAXDIFF: 64 bytes: 7603200/ 7603200
82b35e3f587babe909da920597fcf4a8 *tests/data/fate/vsynth2-j2k-97.avi
1004984 tests/data/fate/vsynth2-j2k-97.avi
3d29c50c8f2ae433c39cb46855fe8a34 *tests/data/fate/vsynth2-j2k-97.out.rawvideo
stddev: 6.57 PSNR: 31.77 MAXDIFF: 61 bytes: 7603200/ 7603200
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