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Merge pull request #1440 from rouault/rate_alloc_speedup 

Significant speed-up rate allocation by rate/distoratio ratio
This commit is contained in:
Even Rouault 2022-08-12 11:55:38 +02:00 committed by GitHub
parent 4da04cd3e8 c06632c6f6
commit 49fea5c45e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 198 additions and 113 deletions
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6
src/bin/jp2/opj_compress.c
View File

@ -846,7 +846,7 @@ static int parse_cmdline_encoder(int argc, char **argv,
/* ----------------------------------------------------- */
case 'q': { /* add fixed_quality */
case 'q': { /* layer allocation by distortion ratio (PSNR) */
char *s = opj_optarg;
while (sscanf(s, "%f", &parameters->tcp_distoratio[parameters->tcp_numlayers])
== 1) {
@ -866,7 +866,7 @@ static int parse_cmdline_encoder(int argc, char **argv,
/* dda */
/* ----------------------------------------------------- */
case 'f': { /* mod fixed_quality (before : -q) */
case 'f': { /* layer allocation by fixed layer */
int *row = NULL, *col = NULL;
OPJ_UINT32 numlayers = 0, numresolution = 0, matrix_width = 0;
@ -1812,7 +1812,7 @@ static int parse_cmdline_encoder(int argc, char **argv,
parameters->cp_fixed_quality))) {
fprintf(stderr, "[ERROR] options -r -q and -f cannot be used together !!\n");
return 1;
} /* mod fixed_quality */
}
/* if no rate entered, lossless by default */

26
src/lib/openjp2/bio.c
View File

@ -43,12 +43,6 @@
/** @name Local static functions */
/*@{*/
/**
Write a bit
@param bio BIO handle
@param b Bit to write (0 or 1)
*/
static void opj_bio_putbit(opj_bio_t *bio, OPJ_UINT32 b);
/**
Read a bit
@param bio BIO handle
@ -100,16 +94,6 @@ static OPJ_BOOL opj_bio_bytein(opj_bio_t *bio)
return OPJ_TRUE;
}
static void opj_bio_putbit(opj_bio_t *bio, OPJ_UINT32 b)
{
if (bio->ct == 0) {
opj_bio_byteout(
bio); /* MSD: why not check the return value of this function ? */
}
bio->ct--;
bio->buf |= b << bio->ct;
}
static OPJ_UINT32 opj_bio_getbit(opj_bio_t *bio)
{
if (bio->ct == 0) {
@ -162,6 +146,16 @@ void opj_bio_init_dec(opj_bio_t *bio, OPJ_BYTE *bp, OPJ_UINT32 len)
bio->ct = 0;
}
void opj_bio_putbit(opj_bio_t *bio, OPJ_UINT32 b)
{
if (bio->ct == 0) {
opj_bio_byteout(
bio); /* MSD: why not check the return value of this function ? */
}
bio->ct--;
bio->buf |= b << bio->ct;
}
void opj_bio_write(opj_bio_t *bio, OPJ_UINT32 v, OPJ_UINT32 n)
{
OPJ_INT32 i;

8
src/lib/openjp2/bio.h
View File

@ -106,6 +106,14 @@ Write bits
@param n Number of bits to write
*/
void opj_bio_write(opj_bio_t *bio, OPJ_UINT32 v, OPJ_UINT32 n);
/**
Write a bit
@param bio BIO handle
@param b Bit to write (0 or 1)
*/
void opj_bio_putbit(opj_bio_t *bio, OPJ_UINT32 b);
/**
Read bits
@param bio BIO handle

48
src/lib/openjp2/j2k.c
View File

@ -7666,6 +7666,27 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
return OPJ_FALSE;
}
if (parameters->cp_fixed_alloc) {
if (parameters->cp_matrice == NULL) {
opj_event_msg(p_manager, EVT_ERROR,
"cp_fixed_alloc set, but cp_matrice missing\n");
return OPJ_FALSE;
}
if (parameters->tcp_numlayers > J2K_TCD_MATRIX_MAX_LAYER_COUNT) {
opj_event_msg(p_manager, EVT_ERROR,
"tcp_numlayers when cp_fixed_alloc set should not exceed %d\n",
J2K_TCD_MATRIX_MAX_LAYER_COUNT);
return OPJ_FALSE;
}
if (parameters->numresolution > J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT) {
opj_event_msg(p_manager, EVT_ERROR,
"numresolution when cp_fixed_alloc set should not exceed %d\n",
J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT);
return OPJ_FALSE;
}
}
p_j2k->m_specific_param.m_encoder.m_nb_comps = image->numcomps;
/* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
@ -7885,15 +7906,17 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
parameters->max_comp_size;
cp->rsiz = parameters->rsiz;
cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)
parameters->cp_disto_alloc & 1u;
cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)
parameters->cp_fixed_alloc & 1u;
cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)
parameters->cp_fixed_quality & 1u;
if (parameters->cp_fixed_alloc) {
cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy = FIXED_LAYER;
} else if (parameters->cp_fixed_quality) {
cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy =
FIXED_DISTORTION_RATIO;
} else {
cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy =
RATE_DISTORTION_RATIO;
}
/* mod fixed_quality */
if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
if (parameters->cp_fixed_alloc) {
size_t array_size = (size_t)parameters->tcp_numlayers *
(size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
@ -8051,22 +8074,25 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
opj_tcp_t *tcp = &cp->tcps[tileno];
const OPJ_BOOL fixed_distoratio =
cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
FIXED_DISTORTION_RATIO;
tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
for (j = 0; j < tcp->numlayers; j++) {
if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
if (cp->m_specific_param.m_enc.m_fixed_quality) {
if (fixed_distoratio) {
tcp->distoratio[j] = parameters->tcp_distoratio[j];
}
tcp->rates[j] = parameters->tcp_rates[j];
} else {
if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
if (fixed_distoratio) {
tcp->distoratio[j] = parameters->tcp_distoratio[j];
} else {
tcp->rates[j] = parameters->tcp_rates[j];
}
}
if (!cp->m_specific_param.m_enc.m_fixed_quality &&
if (!fixed_distoratio &&
tcp->rates[j] <= 1.0) {
tcp->rates[j] = 0.0; /* force lossless */
}

21
src/lib/openjp2/j2k.h
View File

@ -113,6 +113,9 @@ The functions in J2K.C have for goal to read/write the several parts of the code
#define J2K_MAX_POCS 32 /**< Maximum number of POCs */
#define J2K_TCD_MATRIX_MAX_LAYER_COUNT 10
#define J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT 10
/* ----------------------------------------------------------------------- */
/**
@ -272,7 +275,7 @@ typedef struct opj_tcp {
OPJ_UINT32 ppt_data_size;
/** size of ppt_data*/
OPJ_UINT32 ppt_len;
/** add fixed_quality */
/** PSNR values */
OPJ_FLOAT32 distoratio[100];
/** tile-component coding parameters */
opj_tccp_t *tccps;
@ -314,6 +317,14 @@ typedef struct opj_tcp {
} opj_tcp_t;
/**
Rate allocation strategy
*/
typedef enum {
RATE_DISTORTION_RATIO = 0, /** allocation by rate/distortion */
FIXED_DISTORTION_RATIO = 1, /** allocation by fixed distortion ratio (PSNR) (fixed quality) */
FIXED_LAYER = 2, /** allocation by fixed layer (number of passes per layer / resolution / subband) */
} J2K_QUALITY_LAYER_ALLOCATION_STRATEGY;
typedef struct opj_encoding_param {
@ -325,12 +336,8 @@ typedef struct opj_encoding_param {
OPJ_INT32 *m_matrice;
/** Flag determining tile part generation*/
OPJ_BYTE m_tp_flag;
/** allocation by rate/distortion */
OPJ_BITFIELD m_disto_alloc : 1;
/** allocation by fixed layer */
OPJ_BITFIELD m_fixed_alloc : 1;
/** add fixed_quality */
OPJ_BITFIELD m_fixed_quality : 1;
/** Quality layer allocation strategy */
J2K_QUALITY_LAYER_ALLOCATION_STRATEGY m_quality_layer_alloc_strategy;
/** Enabling Tile part generation*/
OPJ_BITFIELD m_tp_on : 1;
}

6
src/lib/openjp2/openjpeg.h
View File

@ -405,7 +405,7 @@ typedef struct opj_cparameters {
int cp_disto_alloc;
/** allocation by fixed layer */
int cp_fixed_alloc;
/** add fixed_quality */
/** allocation by fixed quality (PSNR) */
int cp_fixed_quality;
/** fixed layer */
int *cp_matrice;
@ -829,9 +829,9 @@ typedef struct opj_tile_info {
int pdy[33];
/** information concerning packets inside tile */
opj_packet_info_t *packet;
/** add fixed_quality */
/** number of pixels of the tile */
int numpix;
/** add fixed_quality */
/** distortion of the tile */
double distotile;
/** number of markers */
int marknum;

5
src/lib/openjp2/t1.c
View File

@ -1410,7 +1410,6 @@ static void opj_t1_dec_clnpass(
}
/** mod fixed_quality */
static OPJ_FLOAT64 opj_t1_getwmsedec(
OPJ_INT32 nmsedec,
OPJ_UINT32 compno,
@ -2313,7 +2312,7 @@ OPJ_BOOL opj_t1_encode_cblks(opj_tcd_t* tcd,
OPJ_UINT32 compno, resno, bandno, precno, cblkno;
opj_mutex_t* mutex = opj_mutex_create();
tile->distotile = 0; /* fixed_quality */
tile->distotile = 0;
for (compno = 0; compno < tile->numcomps; ++compno) {
opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
@ -2401,7 +2400,6 @@ static int opj_t1_enc_is_term_pass(opj_tcd_cblk_enc_t* cblk,
}
/** mod fixed_quality */
static OPJ_FLOAT64 opj_t1_encode_cblk(opj_t1_t *t1,
opj_tcd_cblk_enc_t* cblk,
OPJ_UINT32 orient,
@ -2505,7 +2503,6 @@ static OPJ_FLOAT64 opj_t1_encode_cblk(opj_t1_t *t1,
break;
}
/* fixed_quality */
tempwmsedec = opj_t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid,
stepsize, numcomps, mct_norms, mct_numcomps) ;
cumwmsedec += tempwmsedec;

14
src/lib/openjp2/t2.c
View File

@ -167,9 +167,9 @@ static OPJ_BOOL opj_t2_init_seg(opj_tcd_cblk_dec_t* cblk,
static void opj_t2_putcommacode(opj_bio_t *bio, OPJ_INT32 n)
{
while (--n >= 0) {
opj_bio_write(bio, 1, 1);
opj_bio_putbit(bio, 1);
}
opj_bio_write(bio, 0, 1);
opj_bio_putbit(bio, 0);
}
static OPJ_UINT32 opj_t2_getcommacode(opj_bio_t *bio)
@ -184,7 +184,7 @@ static OPJ_UINT32 opj_t2_getcommacode(opj_bio_t *bio)
static void opj_t2_putnumpasses(opj_bio_t *bio, OPJ_UINT32 n)
{
if (n == 1) {
opj_bio_write(bio, 0, 1);
opj_bio_putbit(bio, 0);
} else if (n == 2) {
opj_bio_write(bio, 2, 2);
} else if (n <= 5) {
@ -801,7 +801,7 @@ static OPJ_BOOL opj_t2_encode_packet(OPJ_UINT32 tileno,
}
}
#endif
opj_bio_write(bio, packet_empty ? 0 : 1, 1); /* Empty header bit */
opj_bio_putbit(bio, packet_empty ? 0 : 1); /* Empty header bit */
/* Writing Packet header */
band = res->bands;
@ -849,7 +849,7 @@ static OPJ_BOOL opj_t2_encode_packet(OPJ_UINT32 tileno,
if (!cblk->numpasses) {
opj_tgt_encode(bio, prc->incltree, cblkno, (OPJ_INT32)(layno + 1));
} else {
opj_bio_write(bio, layer->numpasses != 0, 1);
opj_bio_putbit(bio, layer->numpasses != 0);
}
/* if cblk not included, go to the next cblk */
@ -978,7 +978,9 @@ static OPJ_BOOL opj_t2_encode_packet(OPJ_UINT32 tileno,
return OPJ_FALSE;
}
memcpy(c, layer->data, layer->len);
if (p_t2_mode == FINAL_PASS) {
memcpy(c, layer->data, layer->len);
}
cblk->numpasses += layer->numpasses;
c += layer->len;
length -= layer->len;

146
src/lib/openjp2/tcd.c
View File

@ -42,6 +42,8 @@
#include "opj_includes.h"
#include "opj_common.h"
// #define DEBUG_RATE_ALLOC
/* ----------------------------------------------------------------------- */
/* TODO MSD: */
@ -143,6 +145,9 @@ static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
*/
static void opj_tcd_code_block_enc_deallocate(opj_tcd_precinct_t * p_precinct);
static
void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
OPJ_UINT32 final);
/**
Free the memory allocated for encoding
@ -224,6 +229,7 @@ opj_tcd_t* opj_tcd_create(OPJ_BOOL p_is_decoder)
/* ----------------------------------------------------------------------- */
static
void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd)
{
OPJ_UINT32 layno;
@ -234,17 +240,23 @@ void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd)
}
void opj_tcd_makelayer(opj_tcd_t *tcd,
OPJ_UINT32 layno,
OPJ_FLOAT64 thresh,
OPJ_UINT32 final)
/* ----------------------------------------------------------------------- */
/** Returns OPJ_TRUE if the layer allocation is unchanged w.r.t to the previous
* invokation with a different threshold */
static
OPJ_BOOL opj_tcd_makelayer(opj_tcd_t *tcd,
OPJ_UINT32 layno,
OPJ_FLOAT64 thresh,
OPJ_UINT32 final)
{
OPJ_UINT32 compno, resno, bandno, precno, cblkno;
OPJ_UINT32 passno;
opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
OPJ_BOOL layer_allocation_is_same = OPJ_TRUE;
tcd_tile->distolayer[layno] = 0; /* fixed_quality */
tcd_tile->distolayer[layno] = 0;
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
@ -304,7 +316,10 @@ void opj_tcd_makelayer(opj_tcd_t *tcd,
}
}
layer->numpasses = n - cblk->numpassesinlayers;
if (layer->numpasses != n - cblk->numpassesinlayers) {
layer_allocation_is_same = OPJ_FALSE;
layer->numpasses = n - cblk->numpassesinlayers;
}
if (!layer->numpasses) {
layer->disto = 0;
@ -323,7 +338,7 @@ void opj_tcd_makelayer(opj_tcd_t *tcd,
cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
}
tcd_tile->distolayer[layno] += layer->disto; /* fixed_quality */
tcd_tile->distolayer[layno] += layer->disto;
if (final) {
cblk->numpassesinlayers = n;
@ -333,14 +348,17 @@ void opj_tcd_makelayer(opj_tcd_t *tcd,
}
}
}
return layer_allocation_is_same;
}
/** For m_quality_layer_alloc_strategy == FIXED_LAYER */
static
void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
OPJ_UINT32 final)
{
OPJ_UINT32 compno, resno, bandno, precno, cblkno;
OPJ_INT32 value; /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
OPJ_INT32 matrice[10][10][3];
OPJ_INT32 matrice[J2K_TCD_MATRIX_MAX_LAYER_COUNT][J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT][3];
OPJ_UINT32 i, j, k;
opj_cp_t *cp = tcd->cp;
@ -440,6 +458,11 @@ void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
}
}
/** Rate allocation for the following methods:
* - allocation by rate/distortio (m_quality_layer_alloc_strategy == RATE_DISTORTION_RATIO)
* - allocation by fixed quality (m_quality_layer_alloc_strategy == FIXED_DISTORTION_RATIO)
*/
static
OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
@ -450,8 +473,8 @@ OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
OPJ_UINT32 compno, resno, bandno, precno, cblkno, layno;
OPJ_UINT32 passno;
OPJ_FLOAT64 min, max;
OPJ_FLOAT64 cumdisto[100]; /* fixed_quality */
const OPJ_FLOAT64 K = 1; /* 1.1; fixed_quality */
OPJ_FLOAT64 cumdisto[100];
const OPJ_FLOAT64 K = 1;
OPJ_FLOAT64 maxSE = 0;
opj_cp_t *cp = tcd->cp;
@ -461,7 +484,7 @@ OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
min = DBL_MAX;
max = 0;
tcd_tile->numpix = 0; /* fixed_quality */
tcd_tile->numpix = 0;
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
@ -511,9 +534,12 @@ OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
}
} /* passno */
/* fixed_quality */
tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
{
const OPJ_SIZE_T cblk_pix_count = (OPJ_SIZE_T)((cblk->x1 - cblk->x0) *
(cblk->y1 - cblk->y0));
tcd_tile->numpix += cblk_pix_count;
tilec->numpix += cblk_pix_count;
}
} /* cbklno */
} /* precno */
} /* bandno */
@ -527,8 +553,8 @@ OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
/* index file */
if (cstr_info) {
opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
tile_info->numpix = tcd_tile->numpix;
tile_info->distotile = tcd_tile->distotile;
tile_info->numpix = (int)tcd_tile->numpix;
tile_info->distotile = (int)tcd_tile->distotile;
tile_info->thresh = (OPJ_FLOAT64 *) opj_malloc(tcd_tcp->numlayers * sizeof(
OPJ_FLOAT64));
if (!tile_info->thresh) {
@ -545,35 +571,54 @@ OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
OPJ_FLOAT64 goodthresh = 0;
OPJ_FLOAT64 stable_thresh = 0;
OPJ_UINT32 i;
OPJ_FLOAT64 distotarget; /* fixed_quality */
OPJ_FLOAT64 distotarget;
/* fixed_quality */
distotarget = tcd_tile->distotile - ((K * maxSE) / pow((OPJ_FLOAT32)10,
tcd_tcp->distoratio[layno] / 10));
/* Don't try to find an optimal threshold but rather take everything not included yet, if
-r xx,yy,zz,0 (disto_alloc == 1 and rates == 0)
-q xx,yy,zz,0 (fixed_quality == 1 and distoratio == 0)
-r xx,yy,zz,0 (m_quality_layer_alloc_strategy == RATE_DISTORTION_RATIO and rates == NULL)
-q xx,yy,zz,0 (m_quality_layer_alloc_strategy == FIXED_DISTORTION_RATIO and distoratio == NULL)
==> possible to have some lossy layers and the last layer for sure lossless */
if (((cp->m_specific_param.m_enc.m_disto_alloc == 1) &&
if (((cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
RATE_DISTORTION_RATIO) &&
(tcd_tcp->rates[layno] > 0.0f)) ||
((cp->m_specific_param.m_enc.m_fixed_quality == 1) &&
((cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
FIXED_DISTORTION_RATIO) &&
(tcd_tcp->distoratio[layno] > 0.0))) {
opj_t2_t*t2 = opj_t2_create(tcd->image, cp);
OPJ_FLOAT64 thresh = 0;
OPJ_BOOL last_layer_allocation_ok = OPJ_FALSE;
if (t2 == 00) {
return OPJ_FALSE;
}
for (i = 0; i < 128; ++i) {
OPJ_FLOAT64 distoachieved = 0; /* fixed_quality */
OPJ_FLOAT64 distoachieved = 0;
OPJ_BOOL layer_allocation_is_same;
thresh = (lo + hi) / 2;
OPJ_FLOAT64 new_thresh = (lo + hi) / 2;
/* Stop iterating when the threshold has stabilized enough */
/* 0.5 * 1e-5 is somewhat arbitrary, but has been selected */
/* so that this doesn't change the results of the regression */
/* test suite. */
if (fabs(new_thresh - thresh) <= 0.5 * 1e-5 * thresh) {
break;
}
thresh = new_thresh;
#ifdef DEBUG_RATE_ALLOC
opj_event_msg(p_manager, EVT_INFO, "layno=%u, iter=%u, thresh=%g",
layno, i, new_thresh);
#endif
opj_tcd_makelayer(tcd, layno, thresh, 0);
if (cp->m_specific_param.m_enc.m_fixed_quality) { /* fixed_quality */
layer_allocation_is_same = opj_tcd_makelayer(tcd, layno, thresh, 0) && i != 0;
#ifdef DEBUG_RATE_ALLOC
opj_event_msg(p_manager, EVT_INFO, "--> layer_allocation_is_same = %d",
layer_allocation_is_same);
#endif
if (cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
FIXED_DISTORTION_RATIO) {
if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
p_data_written, maxlen, cstr_info, NULL, tcd->cur_tp_num, tcd->tp_pos,
@ -605,17 +650,41 @@ OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
}
lo = thresh;
}
} else {
if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
p_data_written, maxlen, cstr_info, NULL, tcd->cur_tp_num, tcd->tp_pos,
tcd->cur_pino,
THRESH_CALC, p_manager)) {
/* TODO: what to do with l ??? seek / tell ??? */
/* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
} else { /* Disto/rate based optimization */
/* Check if the layer allocation done by opj_tcd_makelayer()
* is compatible of the maximum rate allocation. If not,
* retry with a higher threshold.
* If OK, try with a lower threshold.
* Call opj_t2_encode_packets() only if opj_tcd_makelayer()
* has resulted in different truncation points since its last
* call. */
if ((layer_allocation_is_same && !last_layer_allocation_ok) ||
(!layer_allocation_is_same &&
! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
p_data_written, maxlen, cstr_info, NULL, tcd->cur_tp_num, tcd->tp_pos,
tcd->cur_pino,
THRESH_CALC, p_manager))) {
#ifdef DEBUG_RATE_ALLOC
if (!layer_allocation_is_same) {
opj_event_msg(p_manager, EVT_INFO,
"--> check rate alloc failed (> maxlen=%u)\n", maxlen);
}
#endif
last_layer_allocation_ok = OPJ_FALSE;
lo = thresh;
continue;
}
#ifdef DEBUG_RATE_ALLOC
if (!layer_allocation_is_same) {
opj_event_msg(p_manager, EVT_INFO,
"--> check rate alloc success (len=%u <= maxlen=%u)\n", *p_data_written,
maxlen);
}
#endif
last_layer_allocation_ok = OPJ_TRUE;
hi = thresh;
stable_thresh = thresh;
}
@ -635,7 +704,6 @@ OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
opj_tcd_makelayer(tcd, layno, goodthresh, 1);
/* fixed_quality */
cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] :
(cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
}
@ -2599,10 +2667,10 @@ static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
p_cstr_info->index_write = 0;
}
if (l_cp->m_specific_param.m_enc.m_disto_alloc ||
l_cp->m_specific_param.m_enc.m_fixed_quality) {
/* fixed_quality */
/* Normal Rate/distortion allocation */
if (l_cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
RATE_DISTORTION_RATIO ||
l_cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
FIXED_DISTORTION_RATIO) {
if (! opj_tcd_rateallocate(p_tcd, p_dest_data, &l_nb_written, p_max_dest_size,
p_cstr_info, p_manager)) {
return OPJ_FALSE;

27
src/lib/openjp2/tcd.h
View File

@ -222,8 +222,8 @@ typedef struct opj_tcd_tilecomp {
OPJ_UINT32 win_x1;
OPJ_UINT32 win_y1;
/* add fixed_quality */
OPJ_INT32 numpix;
/* number of pixels */
OPJ_SIZE_T numpix;
} opj_tcd_tilecomp_t;
@ -235,9 +235,9 @@ typedef struct opj_tcd_tile {
OPJ_INT32 x0, y0, x1, y1;
OPJ_UINT32 numcomps; /* number of components in tile */
opj_tcd_tilecomp_t *comps; /* Components information */
OPJ_INT32 numpix; /* add fixed_quality */
OPJ_FLOAT64 distotile; /* add fixed_quality */
OPJ_FLOAT64 distolayer[100]; /* add fixed_quality */
OPJ_SIZE_T numpix; /* number of pixels */
OPJ_FLOAT64 distotile; /* distortion of the tile */
OPJ_FLOAT64 distolayer[100]; /* distortion per layer */
OPJ_UINT32 packno; /* packet number */
} opj_tcd_tile_t;
@ -369,23 +369,6 @@ OPJ_BOOL opj_tcd_init(opj_tcd_t *p_tcd,
OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
opj_event_mgr_t* p_manager);
void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
OPJ_UINT32 final);
void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd);
void opj_tcd_makelayer(opj_tcd_t *tcd,
OPJ_UINT32 layno,
OPJ_FLOAT64 thresh,
OPJ_UINT32 final);
OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 len,
opj_codestream_info_t *cstr_info,
opj_event_mgr_t *p_manager);
/**
* Gets the maximum tile size that will be taken by the tile once decoded.
*/

4
src/lib/openjp2/tgt.c
View File

@ -287,12 +287,12 @@ void opj_tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, OPJ_UINT32 leafno,
while (low < threshold) {
if (low >= node->value) {
if (!node->known) {
opj_bio_write(bio, 1, 1);
opj_bio_putbit(bio, 1);
node->known = 1;
}
break;
}
opj_bio_write(bio, 0, 1);
opj_bio_putbit(bio, 0);
++low;
}