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Merge pull request #968 from rouault/reduce_memory_decoding 

Reduce memory decoding
This commit is contained in:
Even Rouault 2017-08-07 20:17:36 +02:00 committed by GitHub
parent 2fbd4bb0b9 92114694a4
commit 3b1b067266
12 changed files with 337 additions and 169 deletions
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122
src/bin/common/color.c
View File

@ -122,9 +122,9 @@ static void sycc444_to_rgb(opj_image_t *img)
cb = img->comps[1].data; cb = img->comps[1].data;
cr = img->comps[2].data; cr = img->comps[2].data;
d0 = r = (int*)malloc(sizeof(int) * max); d0 = r = (int*)opj_image_data_alloc(sizeof(int) * max);
d1 = g = (int*)malloc(sizeof(int) * max); d1 = g = (int*)opj_image_data_alloc(sizeof(int) * max);
d2 = b = (int*)malloc(sizeof(int) * max); d2 = b = (int*)opj_image_data_alloc(sizeof(int) * max);
if (r == NULL || g == NULL || b == NULL) { if (r == NULL || g == NULL || b == NULL) {
goto fails; goto fails;
@ -139,19 +139,19 @@ static void sycc444_to_rgb(opj_image_t *img)
++g; ++g;
++b; ++b;
} }
free(img->comps[0].data); opj_image_data_free(img->comps[0].data);
img->comps[0].data = d0; img->comps[0].data = d0;
free(img->comps[1].data); opj_image_data_free(img->comps[1].data);
img->comps[1].data = d1; img->comps[1].data = d1;
free(img->comps[2].data); opj_image_data_free(img->comps[2].data);
img->comps[2].data = d2; img->comps[2].data = d2;
img->color_space = OPJ_CLRSPC_SRGB; img->color_space = OPJ_CLRSPC_SRGB;
return; return;
fails: fails:
free(r); opj_image_data_free(r);
free(g); opj_image_data_free(g);
free(b); opj_image_data_free(b);
}/* sycc444_to_rgb() */ }/* sycc444_to_rgb() */
static void sycc422_to_rgb(opj_image_t *img) static void sycc422_to_rgb(opj_image_t *img)
@ -174,9 +174,9 @@ static void sycc422_to_rgb(opj_image_t *img)
cb = img->comps[1].data; cb = img->comps[1].data;
cr = img->comps[2].data; cr = img->comps[2].data;
d0 = r = (int*)malloc(sizeof(int) * max); d0 = r = (int*)opj_image_data_alloc(sizeof(int) * max);
d1 = g = (int*)malloc(sizeof(int) * max); d1 = g = (int*)opj_image_data_alloc(sizeof(int) * max);
d2 = b = (int*)malloc(sizeof(int) * max); d2 = b = (int*)opj_image_data_alloc(sizeof(int) * max);
if (r == NULL || g == NULL || b == NULL) { if (r == NULL || g == NULL || b == NULL) {
goto fails; goto fails;
@ -222,11 +222,11 @@ static void sycc422_to_rgb(opj_image_t *img)
} }
} }
free(img->comps[0].data); opj_image_data_free(img->comps[0].data);
img->comps[0].data = d0; img->comps[0].data = d0;
free(img->comps[1].data); opj_image_data_free(img->comps[1].data);
img->comps[1].data = d1; img->comps[1].data = d1;
free(img->comps[2].data); opj_image_data_free(img->comps[2].data);
img->comps[2].data = d2; img->comps[2].data = d2;
img->comps[1].w = img->comps[2].w = img->comps[0].w; img->comps[1].w = img->comps[2].w = img->comps[0].w;
@ -237,9 +237,9 @@ static void sycc422_to_rgb(opj_image_t *img)
return; return;
fails: fails:
free(r); opj_image_data_free(r);
free(g); opj_image_data_free(g);
free(b); opj_image_data_free(b);
}/* sycc422_to_rgb() */ }/* sycc422_to_rgb() */
static void sycc420_to_rgb(opj_image_t *img) static void sycc420_to_rgb(opj_image_t *img)
@ -262,9 +262,9 @@ static void sycc420_to_rgb(opj_image_t *img)
cb = img->comps[1].data; cb = img->comps[1].data;
cr = img->comps[2].data; cr = img->comps[2].data;
d0 = r = (int*)malloc(sizeof(int) * max); d0 = r = (int*)opj_image_data_alloc(sizeof(int) * max);
d1 = g = (int*)malloc(sizeof(int) * max); d1 = g = (int*)opj_image_data_alloc(sizeof(int) * max);
d2 = b = (int*)malloc(sizeof(int) * max); d2 = b = (int*)opj_image_data_alloc(sizeof(int) * max);
if (r == NULL || g == NULL || b == NULL) { if (r == NULL || g == NULL || b == NULL) {
goto fails; goto fails;
@ -380,11 +380,11 @@ static void sycc420_to_rgb(opj_image_t *img)
} }
} }
free(img->comps[0].data); opj_image_data_free(img->comps[0].data);
img->comps[0].data = d0; img->comps[0].data = d0;
free(img->comps[1].data); opj_image_data_free(img->comps[1].data);
img->comps[1].data = d1; img->comps[1].data = d1;
free(img->comps[2].data); opj_image_data_free(img->comps[2].data);
img->comps[2].data = d2; img->comps[2].data = d2;
img->comps[1].w = img->comps[2].w = img->comps[0].w; img->comps[1].w = img->comps[2].w = img->comps[0].w;
@ -395,9 +395,9 @@ static void sycc420_to_rgb(opj_image_t *img)
return; return;
fails: fails:
free(r); opj_image_data_free(r);
free(g); opj_image_data_free(g);
free(b); opj_image_data_free(b);
}/* sycc420_to_rgb() */ }/* sycc420_to_rgb() */
void color_sycc_to_rgb(opj_image_t *img) void color_sycc_to_rgb(opj_image_t *img)
@ -574,8 +574,8 @@ void color_apply_icc_profile(opj_image_t *image)
max = max_w * max_h; max = max_w * max_h;
nr_samples = (size_t)(max * 3U * sizeof(unsigned char)); nr_samples = (size_t)(max * 3U * sizeof(unsigned char));
in = inbuf = (unsigned char*)malloc(nr_samples); in = inbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned char*)malloc(nr_samples); out = outbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
if (inbuf == NULL || outbuf == NULL) { if (inbuf == NULL || outbuf == NULL) {
goto fails0; goto fails0;
@ -605,15 +605,15 @@ void color_apply_icc_profile(opj_image_t *image)
ok = 1; ok = 1;
fails0: fails0:
free(inbuf); opj_image_data_free(inbuf);
free(outbuf); opj_image_data_free(outbuf);
} else { /* prec > 8 */ } else { /* prec > 8 */
unsigned short *inbuf, *outbuf, *in, *out; unsigned short *inbuf, *outbuf, *in, *out;
max = max_w * max_h; max = max_w * max_h;
nr_samples = (size_t)(max * 3U * sizeof(unsigned short)); nr_samples = (size_t)(max * 3U * sizeof(unsigned short));
in = inbuf = (unsigned short*)malloc(nr_samples); in = inbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned short*)malloc(nr_samples); out = outbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
if (inbuf == NULL || outbuf == NULL) { if (inbuf == NULL || outbuf == NULL) {
goto fails1; goto fails1;
@ -643,8 +643,8 @@ fails0:
ok = 1; ok = 1;
fails1: fails1:
free(inbuf); opj_image_data_free(inbuf);
free(outbuf); opj_image_data_free(outbuf);
} }
} else { /* image->numcomps <= 2 : GRAY, GRAYA */ } else { /* image->numcomps <= 2 : GRAY, GRAYA */
if (prec <= 8) { if (prec <= 8) {
@ -653,10 +653,10 @@ fails1:
max = max_w * max_h; max = max_w * max_h;
nr_samples = (size_t)(max * 3 * sizeof(unsigned char)); nr_samples = (size_t)(max * 3 * sizeof(unsigned char));
in = inbuf = (unsigned char*)malloc(nr_samples); in = inbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned char*)malloc(nr_samples); out = outbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
g = (int*)calloc((size_t)max, sizeof(int)); g = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
b = (int*)calloc((size_t)max, sizeof(int)); b = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
if (inbuf == NULL || outbuf == NULL || g == NULL || b == NULL) { if (inbuf == NULL || outbuf == NULL || g == NULL || b == NULL) {
goto fails2; goto fails2;
@ -703,20 +703,20 @@ fails1:
ok = 1; ok = 1;
fails2: fails2:
free(inbuf); opj_image_data_free(inbuf);
free(outbuf); opj_image_data_free(outbuf);
free(g); opj_image_data_free(g);
free(b); opj_image_data_free(b);
} else { /* prec > 8 */ } else { /* prec > 8 */
unsigned short *in, *inbuf, *out, *outbuf; unsigned short *in, *inbuf, *out, *outbuf;
opj_image_comp_t *new_comps; opj_image_comp_t *new_comps;
max = max_w * max_h; max = max_w * max_h;
nr_samples = (size_t)(max * 3U * sizeof(unsigned short)); nr_samples = (size_t)(max * 3U * sizeof(unsigned short));
in = inbuf = (unsigned short*)malloc(nr_samples); in = inbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned short*)malloc(nr_samples); out = outbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
g = (int*)calloc((size_t)max, sizeof(int)); g = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
b = (int*)calloc((size_t)max, sizeof(int)); b = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
if (inbuf == NULL || outbuf == NULL || g == NULL || b == NULL) { if (inbuf == NULL || outbuf == NULL || g == NULL || b == NULL) {
goto fails3; goto fails3;
@ -763,10 +763,10 @@ fails2:
ok = 1; ok = 1;
fails3: fails3:
free(inbuf); opj_image_data_free(inbuf);
free(outbuf); opj_image_data_free(outbuf);
free(g); opj_image_data_free(g);
free(b); opj_image_data_free(b);
} }
}/* if(image->numcomps > 2) */ }/* if(image->numcomps > 2) */
@ -881,9 +881,9 @@ void color_cielab_to_rgb(opj_image_t *image)
max = image->comps[0].w * image->comps[0].h; max = image->comps[0].w * image->comps[0].h;
red = dst0 = (int*)malloc(max * sizeof(int)); red = dst0 = (int*)opj_image_data_alloc(max * sizeof(int));
green = dst1 = (int*)malloc(max * sizeof(int)); green = dst1 = (int*)opj_image_data_alloc(max * sizeof(int));
blue = dst2 = (int*)malloc(max * sizeof(int)); blue = dst2 = (int*)opj_image_data_alloc(max * sizeof(int));
if (red == NULL || green == NULL || blue == NULL) { if (red == NULL || green == NULL || blue == NULL) {
goto fails; goto fails;
@ -917,11 +917,11 @@ void color_cielab_to_rgb(opj_image_t *image)
cmsCloseProfile(in); cmsCloseProfile(in);
cmsCloseProfile(out); cmsCloseProfile(out);
#endif #endif
free(src0); opj_image_data_free(src0);
image->comps[0].data = dst0; image->comps[0].data = dst0;
free(src1); opj_image_data_free(src1);
image->comps[1].data = dst1; image->comps[1].data = dst1;
free(src2); opj_image_data_free(src2);
image->comps[2].data = dst2; image->comps[2].data = dst2;
image->color_space = new_space; image->color_space = new_space;
@ -938,13 +938,13 @@ fails:
cmsCloseProfile(out); cmsCloseProfile(out);
#endif #endif
if (red) { if (red) {
free(red); opj_image_data_free(red);
} }
if (green) { if (green) {
free(green); opj_image_data_free(green);
} }
if (blue) { if (blue) {
free(blue); opj_image_data_free(blue);
} }
return; return;
} }
@ -1004,7 +1004,7 @@ void color_cmyk_to_rgb(opj_image_t *image)
image->comps[2].data[i] = (int)(255.0F * Y * K); /* B */ image->comps[2].data[i] = (int)(255.0F * Y * K); /* B */
} }
free(image->comps[3].data); opj_image_data_free(image->comps[3].data);
image->comps[3].data = NULL; image->comps[3].data = NULL;
image->comps[0].prec = 8; image->comps[0].prec = 8;
image->comps[1].prec = 8; image->comps[1].prec = 8;

10
src/lib/openjp2/image.c
View File

@ -68,19 +68,21 @@ opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts,
comp->prec = cmptparms[compno].prec; comp->prec = cmptparms[compno].prec;
comp->bpp = cmptparms[compno].bpp; comp->bpp = cmptparms[compno].bpp;
comp->sgnd = cmptparms[compno].sgnd; comp->sgnd = cmptparms[compno].sgnd;
if (comp->h != 0 && (OPJ_SIZE_T)comp->w > SIZE_MAX / comp->h) { if (comp->h != 0 &&
(OPJ_SIZE_T)comp->w > SIZE_MAX / comp->h / sizeof(OPJ_INT32)) {
// TODO event manager // TODO event manager
opj_image_destroy(image); opj_image_destroy(image);
return NULL; return NULL;
} }
comp->data = (OPJ_INT32*) opj_calloc((OPJ_SIZE_T)comp->w * comp->h, comp->data = (OPJ_INT32*) opj_image_data_alloc(
sizeof(OPJ_INT32)); (size_t)comp->w * comp->h * sizeof(OPJ_INT32));
if (!comp->data) { if (!comp->data) {
/* TODO replace with event manager, breaks API */ /* TODO replace with event manager, breaks API */
/* fprintf(stderr,"Unable to allocate memory for image.\n"); */ /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
opj_image_destroy(image); opj_image_destroy(image);
return NULL; return NULL;
} }
memset(comp->data, 0, (size_t)comp->w * comp->h * sizeof(OPJ_INT32));
} }
} }
@ -97,7 +99,7 @@ void OPJ_CALLCONV opj_image_destroy(opj_image_t *image)
for (compno = 0; compno < image->numcomps; compno++) { for (compno = 0; compno < image->numcomps; compno++) {
opj_image_comp_t *image_comp = &(image->comps[compno]); opj_image_comp_t *image_comp = &(image->comps[compno]);
if (image_comp->data) { if (image_comp->data) {
opj_free(image_comp->data); opj_image_data_free(image_comp->data);
} }
} }
opj_free(image->comps); opj_free(image->comps);

81
src/lib/openjp2/j2k.c
View File

@ -4684,15 +4684,35 @@ static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
"Tile part length size inconsistent with stream length\n"); "Tile part length size inconsistent with stream length\n");
return OPJ_FALSE; return OPJ_FALSE;
} }
if (p_j2k->m_specific_param.m_decoder.m_sot_length >
UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
opj_event_msg(p_manager, EVT_ERROR,
"p_j2k->m_specific_param.m_decoder.m_sot_length > "
"UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
return OPJ_FALSE;
}
/* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
/* do so that opj_mqc_init_dec_common() can safely add a synthetic */
/* 0xFFFF marker. */
if (! *l_current_data) { if (! *l_current_data) {
/* LH: oddly enough, in this path, l_tile_len!=0. /* LH: oddly enough, in this path, l_tile_len!=0.
* TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...). * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
*/ */
*l_current_data = (OPJ_BYTE*) opj_malloc( *l_current_data = (OPJ_BYTE*) opj_malloc(
p_j2k->m_specific_param.m_decoder.m_sot_length); p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
} else { } else {
OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data, OPJ_BYTE *l_new_current_data;
*l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length); if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
p_j2k->m_specific_param.m_decoder.m_sot_length) {
opj_event_msg(p_manager, EVT_ERROR,
"*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
"p_j2k->m_specific_param.m_decoder.m_sot_length");
return OPJ_FALSE;
}
l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
*l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
OPJ_COMMON_CBLK_DATA_EXTRA);
if (! l_new_current_data) { if (! l_new_current_data) {
opj_free(*l_current_data); opj_free(*l_current_data);
/*nothing more is done as l_current_data will be set to null, and just /*nothing more is done as l_current_data will be set to null, and just
@ -8716,6 +8736,10 @@ OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
return OPJ_FALSE; return OPJ_FALSE;
} }
/* p_data can be set to NULL when the call will take care of using */
/* itself the TCD data. This is typically the case for whole single */
/* tile decoding optimization. */
if (p_data != NULL) {
if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) { if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
return OPJ_FALSE; return OPJ_FALSE;
} }
@ -8725,6 +8749,7 @@ OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
/*opj_j2k_tcp_destroy(l_tcp); /*opj_j2k_tcp_destroy(l_tcp);
p_j2k->m_tcd->tcp = 0;*/ p_j2k->m_tcd->tcp = 0;*/
opj_j2k_tcp_data_destroy(l_tcp); opj_j2k_tcp_data_destroy(l_tcp);
}
p_j2k->m_specific_param.m_decoder.m_can_decode = 0; p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA); p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
@ -8793,15 +8818,18 @@ static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data,
OPJ_SIZE_T l_width = l_img_comp_dest->w; OPJ_SIZE_T l_width = l_img_comp_dest->w;
OPJ_SIZE_T l_height = l_img_comp_dest->h; OPJ_SIZE_T l_height = l_img_comp_dest->h;
if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height))) { if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
/* would overflow */ /* would overflow */
return OPJ_FALSE; return OPJ_FALSE;
} }
l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(l_width * l_height, l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(l_width * l_height *
sizeof(OPJ_INT32)); sizeof(OPJ_INT32));
if (! l_img_comp_dest->data) { if (! l_img_comp_dest->data) {
return OPJ_FALSE; return OPJ_FALSE;
} }
/* Do we really need this memset ? */
memset(l_img_comp_dest->data, 0, l_width * l_height * sizeof(OPJ_INT32));
} }
/* Copy info from decoded comp image to output image */ /* Copy info from decoded comp image to output image */
@ -10381,6 +10409,47 @@ static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
OPJ_BYTE * l_current_data; OPJ_BYTE * l_current_data;
OPJ_UINT32 nr_tiles = 0; OPJ_UINT32 nr_tiles = 0;
/* Particular case for whole single tile decoding */
/* We can avoid allocating intermediate tile buffers */
if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
p_j2k->m_output_image->x0 == 0 &&
p_j2k->m_output_image->y0 == 0 &&
p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy &&
p_j2k->m_output_image->comps[0].factor == 0) {
OPJ_UINT32 i;
if (! opj_j2k_read_tile_header(p_j2k,
&l_current_tile_no,
&l_data_size,
&l_tile_x0, &l_tile_y0,
&l_tile_x1, &l_tile_y1,
&l_nb_comps,
&l_go_on,
p_stream,
p_manager)) {
return OPJ_FALSE;
}
if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
p_stream, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile 1/1\n");
return OPJ_FALSE;
}
/* Transfer TCD data to output image data */
for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
opj_image_data_free(p_j2k->m_output_image->comps[i].data);
p_j2k->m_output_image->comps[i].data =
p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
p_j2k->m_output_image->comps[i].resno_decoded =
p_j2k->m_tcd->image->comps[i].resno_decoded;
p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
}
return OPJ_TRUE;
}
l_current_data = (OPJ_BYTE*)opj_malloc(1000); l_current_data = (OPJ_BYTE*)opj_malloc(1000);
if (! l_current_data) { if (! l_current_data) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tiles\n"); opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tiles\n");
@ -10775,7 +10844,7 @@ OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
p_j2k->m_output_image->comps[compno].resno_decoded; p_j2k->m_output_image->comps[compno].resno_decoded;
if (p_image->comps[compno].data) { if (p_image->comps[compno].data) {
opj_free(p_image->comps[compno].data); opj_image_data_free(p_image->comps[compno].data);
} }
p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data; p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;

4
src/lib/openjp2/jp2.c
View File

@ -1065,7 +1065,7 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
/* Palette mapping: */ /* Palette mapping: */
new_comps[i].data = (OPJ_INT32*) new_comps[i].data = (OPJ_INT32*)
opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32)); opj_image_data_alloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32));
if (!new_comps[i].data) { if (!new_comps[i].data) {
while (i > 0) { while (i > 0) {
-- i; -- i;
@ -1119,7 +1119,7 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
max = image->numcomps; max = image->numcomps;
for (i = 0; i < max; ++i) { for (i = 0; i < max; ++i) {
if (old_comps[i].data) { if (old_comps[i].data) {
opj_free(old_comps[i].data); opj_image_data_free(old_comps[i].data);
} }
} }

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

@ -1007,3 +1007,17 @@ opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream(
return l_stream; return l_stream;
} }
void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size)
{
void* ret = opj_aligned_malloc(size);
/* printf("opj_image_data_alloc %p\n", ret); */
return ret;
}
void OPJ_CALLCONV opj_image_data_free(void* ptr)
{
/* printf("opj_image_data_free %p\n", ptr); */
opj_aligned_free(ptr);
}

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

@ -1093,6 +1093,27 @@ OPJ_API void OPJ_CALLCONV opj_image_destroy(opj_image_t *image);
OPJ_API opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts, OPJ_API opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts,
opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc); opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);
/**
* Allocator for opj_image_t->comps[].data
* To be paired with opj_image_data_free.
*
* @param size number of bytes to allocate
*
* @return a new pointer if successful, NULL otherwise.
* @since 2.2.0
*/
OPJ_API void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size);
/**
* Destructor for opj_image_t->comps[].data
* To be paired with opj_image_data_alloc.
*
* @param ptr Pointer to free
*
* @since 2.2.0
*/
OPJ_API void OPJ_CALLCONV opj_image_data_free(void* ptr);
/* /*
========================================================== ==========================================================
stream functions definitions stream functions definitions

1
src/lib/openjp2/opj_common.h
View File

@ -36,7 +36,6 @@
Common constants shared among several modules Common constants shared among several modules
========================================================== ==========================================================
*/ */
#define OPJ_COMMON_DEFAULT_CBLK_DATA_SIZE 8192
#define OPJ_COMMON_CBLK_DATA_EXTRA 2 /**< Margin for a fake FFFF marker */ #define OPJ_COMMON_CBLK_DATA_EXTRA 2 /**< Margin for a fake FFFF marker */
#endif /* OPJ_COMMMON_H */ #endif /* OPJ_COMMMON_H */

53
src/lib/openjp2/t1.c
View File

@ -1604,6 +1604,8 @@ void opj_t1_destroy(opj_t1_t *p_t1)
p_t1->flags = 00; p_t1->flags = 00;
} }
opj_free(p_t1->cblkdatabuffer);
opj_free(p_t1); opj_free(p_t1);
} }
@ -1613,6 +1615,7 @@ typedef struct {
opj_tcd_band_t* band; opj_tcd_band_t* band;
opj_tcd_tilecomp_t* tilec; opj_tcd_tilecomp_t* tilec;
opj_tccp_t* tccp; opj_tccp_t* tccp;
OPJ_BOOL mustuse_cblkdatabuffer;
volatile OPJ_BOOL* pret; volatile OPJ_BOOL* pret;
opj_event_mgr_t *p_manager; opj_event_mgr_t *p_manager;
opj_mutex_t* p_manager_mutex; opj_mutex_t* p_manager_mutex;
@ -1657,6 +1660,7 @@ static void opj_t1_clbl_decode_processor(void* user_data, opj_tls_t* tls)
t1 = opj_t1_create(OPJ_FALSE); t1 = opj_t1_create(OPJ_FALSE);
opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper); opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper);
} }
t1->mustuse_cblkdatabuffer = job->mustuse_cblkdatabuffer;
if (OPJ_FALSE == opj_t1_decode_cblk( if (OPJ_FALSE == opj_t1_decode_cblk(
t1, t1,
@ -1786,6 +1790,7 @@ void opj_t1_decode_cblks(opj_thread_pool_t* tp,
job->p_manager_mutex = p_manager_mutex; job->p_manager_mutex = p_manager_mutex;
job->p_manager = p_manager; job->p_manager = p_manager;
job->check_pterm = check_pterm; job->check_pterm = check_pterm;
job->mustuse_cblkdatabuffer = opj_thread_pool_get_thread_count(tp) > 1;
opj_thread_pool_submit_job(tp, opj_t1_clbl_decode_processor, job); opj_thread_pool_submit_job(tp, opj_t1_clbl_decode_processor, job);
if (!(*pret)) { if (!(*pret)) {
return; return;
@ -1813,6 +1818,8 @@ static OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1,
OPJ_INT32 bpno_plus_one; OPJ_INT32 bpno_plus_one;
OPJ_UINT32 passtype; OPJ_UINT32 passtype;
OPJ_UINT32 segno, passno; OPJ_UINT32 segno, passno;
OPJ_BYTE* cblkdata = NULL;
OPJ_UINT32 cblkdataindex = 0;
OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */ OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */
mqc->lut_ctxno_zc_orient = lut_ctxno_zc + (orient << 9); mqc->lut_ctxno_zc_orient = lut_ctxno_zc + (orient << 9);
@ -1844,23 +1851,57 @@ static OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1,
opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3); opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4); opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
/* Even if we have a single chunk, in multi-threaded decoding */
/* the insertion of our synthetic marker might potentially override */
/* valid codestream of other codeblocks decoded in parallel. */
if (cblk->numchunks > 1 || t1->mustuse_cblkdatabuffer) {
OPJ_UINT32 i;
OPJ_UINT32 cblk_len;
/* Compute whole codeblock length from chunk lengths */
cblk_len = 0;
for (i = 0; i < cblk->numchunks; i++) {
cblk_len += cblk->chunks[i].len;
}
/* Allocate temporary memory if needed */
if (cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA > t1->cblkdatabuffersize) {
cblkdata = (OPJ_BYTE*)opj_realloc(t1->cblkdatabuffer,
cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA);
if (cblkdata == NULL) {
return OPJ_FALSE;
}
t1->cblkdatabuffer = cblkdata;
memset(t1->cblkdatabuffer + cblk_len, 0, OPJ_COMMON_CBLK_DATA_EXTRA);
t1->cblkdatabuffersize = cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA;
}
/* Concatenate all chunks */
cblkdata = t1->cblkdatabuffer;
cblk_len = 0;
for (i = 0; i < cblk->numchunks; i++) {
memcpy(cblkdata + cblk_len, cblk->chunks[i].data, cblk->chunks[i].len);
cblk_len += cblk->chunks[i].len;
}
} else if (cblk->numchunks == 1) {
cblkdata = cblk->chunks[0].data;
}
for (segno = 0; segno < cblk->real_num_segs; ++segno) { for (segno = 0; segno < cblk->real_num_segs; ++segno) {
opj_tcd_seg_t *seg = &cblk->segs[segno]; opj_tcd_seg_t *seg = &cblk->segs[segno];
/* BYPASS mode */ /* BYPASS mode */
type = ((bpno_plus_one <= ((OPJ_INT32)(cblk->numbps)) - 4) && (passtype < 2) && type = ((bpno_plus_one <= ((OPJ_INT32)(cblk->numbps)) - 4) && (passtype < 2) &&
(cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
/* FIXME: slviewer gets here with a null pointer. Why? Partially downloaded and/or corrupt textures? */
if (seg->data == 00) {
continue;
}
if (type == T1_TYPE_RAW) { if (type == T1_TYPE_RAW) {
opj_mqc_raw_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len, opj_mqc_raw_init_dec(mqc, cblkdata + cblkdataindex, seg->len,
OPJ_COMMON_CBLK_DATA_EXTRA); OPJ_COMMON_CBLK_DATA_EXTRA);
} else { } else {
opj_mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len, opj_mqc_init_dec(mqc, cblkdata + cblkdataindex, seg->len,
OPJ_COMMON_CBLK_DATA_EXTRA); OPJ_COMMON_CBLK_DATA_EXTRA);
} }
cblkdataindex += seg->len;
for (passno = 0; (passno < seg->real_num_passes) && for (passno = 0; (passno < seg->real_num_passes) &&
(bpno_plus_one >= 1); ++passno) { (bpno_plus_one >= 1); ++passno) {

8
src/lib/openjp2/t1.h
View File

@ -200,6 +200,14 @@ typedef struct opj_t1 {
OPJ_UINT32 flagssize; OPJ_UINT32 flagssize;
OPJ_UINT32 data_stride; OPJ_UINT32 data_stride;
OPJ_BOOL encoder; OPJ_BOOL encoder;
/* Thre 3 variables below are only used by the decoder */
/* set to TRUE in multithreaded context */
OPJ_BOOL mustuse_cblkdatabuffer;
/* Temporary buffer to concatenate all chunks of a codebock */
OPJ_BYTE *cblkdatabuffer;
/* Maximum size available in cblkdatabuffer */
OPJ_UINT32 cblkdatabuffersize;
} opj_t1_t; } opj_t1_t;
/** @name Exported functions */ /** @name Exported functions */

62
src/lib/openjp2/t2.c
View File

@ -1245,7 +1245,6 @@ static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2,
if (!l_cblk->numsegs) { if (!l_cblk->numsegs) {
l_seg = l_cblk->segs; l_seg = l_cblk->segs;
++l_cblk->numsegs; ++l_cblk->numsegs;
l_cblk->data_current_size = 0;
} else { } else {
l_seg = &l_cblk->segs[l_cblk->numsegs - 1]; l_seg = &l_cblk->segs[l_cblk->numsegs - 1];
@ -1287,46 +1286,31 @@ static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2,
}; };
#endif /* USE_JPWL */ #endif /* USE_JPWL */
/* Check possible overflow on size */
if ((l_cblk->data_current_size + l_seg->newlen + OPJ_COMMON_CBLK_DATA_EXTRA) < if (l_cblk->numchunks == l_cblk->numchunksalloc) {
l_cblk->data_current_size) { OPJ_UINT32 l_numchunksalloc = l_cblk->numchunksalloc * 2 + 1;
opj_tcd_seg_data_chunk_t* l_chunks =
(opj_tcd_seg_data_chunk_t*)opj_realloc(l_cblk->chunks,
l_numchunksalloc * sizeof(opj_tcd_seg_data_chunk_t));
if (l_chunks == NULL) {
opj_event_msg(p_manager, EVT_ERROR, opj_event_msg(p_manager, EVT_ERROR,
"read: segment too long (%d) with current size (%d > %d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", "cannot allocate opj_tcd_seg_data_chunk_t* array");
l_seg->newlen, l_cblk->data_current_size, 0xFFFFFFFF - l_seg->newlen, cblkno,
p_pi->precno, bandno, p_pi->resno, p_pi->compno);
return OPJ_FALSE; return OPJ_FALSE;
} }
/* Check if the cblk->data have allocated enough memory */ l_cblk->chunks = l_chunks;
if ((l_cblk->data_current_size + l_seg->newlen + OPJ_COMMON_CBLK_DATA_EXTRA) > l_cblk->numchunksalloc = l_numchunksalloc;
l_cblk->data_max_size) {
OPJ_BYTE* new_cblk_data = (OPJ_BYTE*) opj_realloc(l_cblk->data,
l_cblk->data_current_size + l_seg->newlen + OPJ_COMMON_CBLK_DATA_EXTRA);
if (! new_cblk_data) {
opj_free(l_cblk->data);
l_cblk->data = NULL;
l_cblk->data_max_size = 0;
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to realloc code block cata!\n"); */
return OPJ_FALSE;
}
l_cblk->data_max_size = l_cblk->data_current_size + l_seg->newlen +
OPJ_COMMON_CBLK_DATA_EXTRA;
l_cblk->data = new_cblk_data;
} }
memcpy(l_cblk->data + l_cblk->data_current_size, l_current_data, l_seg->newlen); l_cblk->chunks[l_cblk->numchunks].data = l_current_data;
l_cblk->chunks[l_cblk->numchunks].len = l_seg->newlen;
if (l_seg->numpasses == 0) { l_cblk->numchunks ++;
l_seg->data = &l_cblk->data;
l_seg->dataindex = l_cblk->data_current_size;
}
l_current_data += l_seg->newlen; l_current_data += l_seg->newlen;
l_seg->len += l_seg->newlen;
l_seg->numpasses += l_seg->numnewpasses; l_seg->numpasses += l_seg->numnewpasses;
l_cblk->numnewpasses -= l_seg->numnewpasses; l_cblk->numnewpasses -= l_seg->numnewpasses;
l_seg->real_num_passes = l_seg->numpasses; l_seg->real_num_passes = l_seg->numpasses;
l_cblk->data_current_size += l_seg->newlen;
l_seg->len += l_seg->newlen;
if (l_cblk->numnewpasses > 0) { if (l_cblk->numnewpasses > 0) {
++l_seg; ++l_seg;
@ -1391,7 +1375,6 @@ static OPJ_BOOL opj_t2_skip_packet_data(opj_t2_t* p_t2,
if (!l_cblk->numsegs) { if (!l_cblk->numsegs) {
l_seg = l_cblk->segs; l_seg = l_cblk->segs;
++l_cblk->numsegs; ++l_cblk->numsegs;
l_cblk->data_current_size = 0;
} else { } else {
l_seg = &l_cblk->segs[l_cblk->numsegs - 1]; l_seg = &l_cblk->segs[l_cblk->numsegs - 1];
@ -1464,22 +1447,23 @@ static OPJ_BOOL opj_t2_init_seg(opj_tcd_cblk_dec_t* cblk,
if (l_nb_segs > cblk->m_current_max_segs) { if (l_nb_segs > cblk->m_current_max_segs) {
opj_tcd_seg_t* new_segs; opj_tcd_seg_t* new_segs;
cblk->m_current_max_segs += OPJ_J2K_DEFAULT_NB_SEGS; OPJ_UINT32 l_m_current_max_segs = cblk->m_current_max_segs +
OPJ_J2K_DEFAULT_NB_SEGS;
new_segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs, new_segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs,
cblk->m_current_max_segs * sizeof(opj_tcd_seg_t)); l_m_current_max_segs * sizeof(opj_tcd_seg_t));
if (! new_segs) { if (! new_segs) {
opj_free(cblk->segs);
cblk->segs = NULL;
cblk->m_current_max_segs = 0;
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to initialize segment %d\n", l_nb_segs); */ /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to initialize segment %d\n", l_nb_segs); */
return OPJ_FALSE; return OPJ_FALSE;
} }
cblk->segs = new_segs; cblk->segs = new_segs;
memset(new_segs + cblk->m_current_max_segs,
0, OPJ_J2K_DEFAULT_NB_SEGS * sizeof(opj_tcd_seg_t));
cblk->m_current_max_segs = l_m_current_max_segs;
} }
seg = &cblk->segs[index]; seg = &cblk->segs[index];
memset(seg, 0, sizeof(opj_tcd_seg_t)); opj_tcd_reinit_segment(seg);
if (cblksty & J2K_CCP_CBLKSTY_TERMALL) { if (cblksty & J2K_CCP_CBLKSTY_TERMALL) {
seg->maxpasses = 1; seg->maxpasses = 1;
@ -1491,6 +1475,10 @@ static OPJ_BOOL opj_t2_init_seg(opj_tcd_cblk_dec_t* cblk,
((seg - 1)->maxpasses == 10)) ? 2 : 1; ((seg - 1)->maxpasses == 10)) ? 2 : 1;
} }
} else { } else {
/* See paragraph "B.10.6 Number of coding passes" of the standard.
* Probably that 109 must be interpreted a (Mb-1)*3 + 1 with Mb=37,
* Mb being the maximum number of bit-planes available for the
* representation of coefficients in the sub-band */
seg->maxpasses = 109; seg->maxpasses = 109;
} }

49
src/lib/openjp2/tcd.c
View File

@ -674,7 +674,7 @@ OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec)
if ((l_tilec->data == 00) || if ((l_tilec->data == 00) ||
((l_tilec->data_size_needed > l_tilec->data_size) && ((l_tilec->data_size_needed > l_tilec->data_size) &&
(l_tilec->ownsData == OPJ_FALSE))) { (l_tilec->ownsData == OPJ_FALSE))) {
l_tilec->data = (OPJ_INT32 *) opj_aligned_malloc(l_tilec->data_size_needed); l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
if (! l_tilec->data) { if (! l_tilec->data) {
return OPJ_FALSE; return OPJ_FALSE;
} }
@ -683,8 +683,8 @@ OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec)
l_tilec->ownsData = OPJ_TRUE; l_tilec->ownsData = OPJ_TRUE;
} else if (l_tilec->data_size_needed > l_tilec->data_size) { } else if (l_tilec->data_size_needed > l_tilec->data_size) {
/* We don't need to keep old data */ /* We don't need to keep old data */
opj_aligned_free(l_tilec->data); opj_image_data_free(l_tilec->data);
l_tilec->data = (OPJ_INT32 *) opj_aligned_malloc(l_tilec->data_size_needed); l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
if (! l_tilec->data) { if (! l_tilec->data) {
l_tilec->data_size = 0; l_tilec->data_size = 0;
l_tilec->data_size_needed = 0; l_tilec->data_size_needed = 0;
@ -965,8 +965,10 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
numbps = (OPJ_INT32)(l_image_comp->prec + l_gain); numbps = (OPJ_INT32)(l_image_comp->prec + l_gain);
l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0, l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0,
(OPJ_INT32)(numbps - l_step_size->expn)))) * fraction; (OPJ_INT32)(numbps - l_step_size->expn)))) * fraction;
/* Mb value of Equation E-2 in "E.1 Inverse quantization
* procedure" of the standard */
l_band->numbps = l_step_size->expn + (OPJ_INT32)l_tccp->numgbits - l_band->numbps = l_step_size->expn + (OPJ_INT32)l_tccp->numgbits -
1; /* WHY -1 ? */ 1;
if (!l_band->precincts && (l_nb_precincts > 0U)) { if (!l_band->precincts && (l_nb_precincts > 0U)) {
l_band->precincts = (opj_tcd_precinct_t *) opj_malloc(/*3 * */ l_band->precincts = (opj_tcd_precinct_t *) opj_malloc(/*3 * */
@ -1208,20 +1210,19 @@ static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
return OPJ_TRUE; return OPJ_TRUE;
} }
void opj_tcd_reinit_segment(opj_tcd_seg_t* seg)
{
memset(seg, 0, sizeof(opj_tcd_seg_t));
}
/** /**
* Allocates memory for a decoding code block. * Allocates memory for a decoding code block.
*/ */
static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t * static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
p_code_block) p_code_block)
{ {
if (! p_code_block->data) { if (! p_code_block->segs) {
p_code_block->data = (OPJ_BYTE*) opj_malloc(OPJ_COMMON_DEFAULT_CBLK_DATA_SIZE);
if (! p_code_block->data) {
return OPJ_FALSE;
}
p_code_block->data_max_size = OPJ_COMMON_DEFAULT_CBLK_DATA_SIZE;
/*fprintf(stderr, "Allocate 8192 elements of code_block->data\n");*/
p_code_block->segs = (opj_tcd_seg_t *) opj_calloc(OPJ_J2K_DEFAULT_NB_SEGS, p_code_block->segs = (opj_tcd_seg_t *) opj_calloc(OPJ_J2K_DEFAULT_NB_SEGS,
sizeof(opj_tcd_seg_t)); sizeof(opj_tcd_seg_t));
@ -1234,16 +1235,20 @@ static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
/*fprintf(stderr, "m_current_max_segs of code_block->data = %d\n", p_code_block->m_current_max_segs);*/ /*fprintf(stderr, "m_current_max_segs of code_block->data = %d\n", p_code_block->m_current_max_segs);*/
} else { } else {
/* sanitize */ /* sanitize */
OPJ_BYTE* l_data = p_code_block->data;
OPJ_UINT32 l_data_max_size = p_code_block->data_max_size;
opj_tcd_seg_t * l_segs = p_code_block->segs; opj_tcd_seg_t * l_segs = p_code_block->segs;
OPJ_UINT32 l_current_max_segs = p_code_block->m_current_max_segs; OPJ_UINT32 l_current_max_segs = p_code_block->m_current_max_segs;
opj_tcd_seg_data_chunk_t* l_chunks = p_code_block->chunks;
OPJ_UINT32 l_numchunksalloc = p_code_block->numchunksalloc;
OPJ_UINT32 i;
memset(p_code_block, 0, sizeof(opj_tcd_cblk_dec_t)); memset(p_code_block, 0, sizeof(opj_tcd_cblk_dec_t));
p_code_block->data = l_data;
p_code_block->data_max_size = l_data_max_size;
p_code_block->segs = l_segs; p_code_block->segs = l_segs;
p_code_block->m_current_max_segs = l_current_max_segs; p_code_block->m_current_max_segs = l_current_max_segs;
for (i = 0; i < l_current_max_segs; ++i) {
opj_tcd_reinit_segment(&l_segs[i]);
}
p_code_block->chunks = l_chunks;
p_code_block->numchunksalloc = l_numchunksalloc;
} }
return OPJ_TRUE; return OPJ_TRUE;
@ -1645,7 +1650,7 @@ static void opj_tcd_free_tile(opj_tcd_t *p_tcd)
} }
if (l_tile_comp->ownsData && l_tile_comp->data) { if (l_tile_comp->ownsData && l_tile_comp->data) {
opj_aligned_free(l_tile_comp->data); opj_image_data_free(l_tile_comp->data);
l_tile_comp->data = 00; l_tile_comp->data = 00;
l_tile_comp->ownsData = 0; l_tile_comp->ownsData = 0;
l_tile_comp->data_size = 0; l_tile_comp->data_size = 0;
@ -1946,16 +1951,16 @@ static void opj_tcd_code_block_dec_deallocate(opj_tcd_precinct_t * p_precinct)
for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) { for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
if (l_code_block->data) {
opj_free(l_code_block->data);
l_code_block->data = 00;
}
if (l_code_block->segs) { if (l_code_block->segs) {
opj_free(l_code_block->segs); opj_free(l_code_block->segs);
l_code_block->segs = 00; l_code_block->segs = 00;
} }
if (l_code_block->chunks) {
opj_free(l_code_block->chunks);
l_code_block->chunks = 00;
}
++l_code_block; ++l_code_block;
} }

63
src/lib/openjp2/tcd.h
View File

@ -49,19 +49,6 @@ each other. The functions in TCD.C are used by other functions in J2K.C.
/** @defgroup TCD TCD - Implementation of a tile coder/decoder */ /** @defgroup TCD TCD - Implementation of a tile coder/decoder */
/*@{*/ /*@{*/
/**
FIXME DOC
*/
typedef struct opj_tcd_seg {
OPJ_BYTE ** data;
OPJ_UINT32 dataindex;
OPJ_UINT32 numpasses;
OPJ_UINT32 real_num_passes;
OPJ_UINT32 len;
OPJ_UINT32 maxpasses;
OPJ_UINT32 numnewpasses;
OPJ_UINT32 newlen;
} opj_tcd_seg_t;
/** /**
FIXME DOC FIXME DOC
@ -102,19 +89,50 @@ typedef struct opj_tcd_cblk_enc {
} opj_tcd_cblk_enc_t; } opj_tcd_cblk_enc_t;
/** Chunk of codestream data that is part of a code block */
typedef struct opj_tcd_seg_data_chunk {
/* Point to tilepart buffer. We don't make a copy !
So the tilepart buffer must be kept alive
as long as we need to decode the codeblocks */
OPJ_BYTE * data;
OPJ_UINT32 len; /* Usable length of data */
} opj_tcd_seg_data_chunk_t;
/** Segment of a code-block.
* A segment represent a number of consecutive coding passes, without termination
* of MQC or RAW between them. */
typedef struct opj_tcd_seg {
OPJ_UINT32 len; /* Size of data related to this segment */
/* Number of passes decoded. Including those that we skip */
OPJ_UINT32 numpasses;
/* Number of passes actually to be decoded. To be used for code-block decoding */
OPJ_UINT32 real_num_passes;
/* Maximum number of passes for this segment */
OPJ_UINT32 maxpasses;
/* Number of new passes for current packed. Transitory value */
OPJ_UINT32 numnewpasses;
/* Codestream length for this segment for current packed. Transitory value */
OPJ_UINT32 newlen;
} opj_tcd_seg_t;
/* Code-block for decoding */
typedef struct opj_tcd_cblk_dec { typedef struct opj_tcd_cblk_dec {
OPJ_BYTE * data; /* Data */
opj_tcd_seg_t* segs; /* segments information */ opj_tcd_seg_t* segs; /* segments information */
OPJ_INT32 x0, y0, x1, opj_tcd_seg_data_chunk_t* chunks; /* Array of chunks */
y1; /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */ /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_INT32 x0, y0, x1, y1;
OPJ_UINT32 numbps; OPJ_UINT32 numbps;
/* number of bits for len, for the current packet. Transitory value */
OPJ_UINT32 numlenbits; OPJ_UINT32 numlenbits;
OPJ_UINT32 data_max_size; /* Size of allocated data buffer */ /* number of pass added to the code-blocks, for the current packet. Transitory value */
OPJ_UINT32 data_current_size; /* Size of used data buffer */ OPJ_UINT32 numnewpasses;
OPJ_UINT32 numnewpasses; /* number of pass added to the code-blocks */ /* number of segments, including those of packet we skip */
OPJ_UINT32 numsegs; /* number of segments */ OPJ_UINT32 numsegs;
/* number of segments, to be used for code block decoding */
OPJ_UINT32 real_num_segs; OPJ_UINT32 real_num_segs;
OPJ_UINT32 m_current_max_segs; OPJ_UINT32 m_current_max_segs; /* allocated number of segs[] items */
OPJ_UINT32 numchunks; /* Number of valid chunks items */
OPJ_UINT32 numchunksalloc; /* Number of chunks item allocated */
} opj_tcd_cblk_dec_t; } opj_tcd_cblk_dec_t;
/** /**
@ -381,6 +399,9 @@ OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec);
*/ */
OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t* band); OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t* band);
/** Reinitialize a segment */
void opj_tcd_reinit_segment(opj_tcd_seg_t* seg);
/* ----------------------------------------------------------------------- */ /* ----------------------------------------------------------------------- */
/*@}*/ /*@}*/