struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager );
-/**
-Read the SOC marker (Start of Codestream)
-@param j2k J2K handle
-*/
-static void j2k_read_soc(opj_j2k_t *j2k);
-
/**
* Reads a SOC marker (Start of Codestream)
* @param p_header_data the data contained in the SOC box.
* @param p_header_size the size of the data contained in the SOC marker.
* @param p_manager the user event manager.
*/
-static opj_bool j2k_read_soc_v2(
+static opj_bool opj_j2k_read_soc(
opj_j2k_v2_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager );
-/**
-Read the SIZ marker (image and tile size)
-@param j2k J2K handle
-*/
-static void j2k_read_siz(opj_j2k_t *j2k);
-
/**
* Reads a SIZ marker (image and tile size)
* @param p_header_data the data contained in the SIZ box.
* @param p_header_size the size of the data contained in the SIZ marker.
* @param p_manager the user event manager.
*/
-static opj_bool j2k_read_siz_v2 (
- opj_j2k_v2_t *p_j2k,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 p_header_size,
- struct opj_event_mgr * p_manager
- );
+static opj_bool opj_j2k_read_siz(opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ opj_event_mgr_t * p_manager);
/**
Write the COM marker (comment)
@param j2k J2K handle
*/
static void j2k_write_sot(opj_j2k_t *j2k);
-/**
-Read the SOT marker (start of tile-part)
-@param j2k J2K handle
-*/
-static void j2k_read_sot(opj_j2k_t *j2k);
/**
* Writes the SOT marker (Start of tile-part)
* @param p_header_size the size of the data contained in the PPT marker.
* @param p_manager the user event manager.
*/
-static opj_bool j2k_read_sot_v2 (
- opj_j2k_v2_t *p_j2k,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 p_header_size,
- struct opj_event_mgr * p_manager
- );
+static opj_bool opj_j2k_read_sot ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ opj_event_mgr_t * p_manager );
+
/**
Write the SOD marker (start of data)
@param j2k J2K handle
const struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager );
-/**
-Read the SOD marker (start of data)
-@param j2k J2K handle
-*/
-static void j2k_read_sod(opj_j2k_t *j2k);
-
/**
* Reads a SOD marker (Start Of Data)
*
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
-static opj_bool j2k_read_sod_v2 (
- opj_j2k_v2_t *p_j2k,
- struct opj_stream_private *p_stream,
- struct opj_event_mgr * p_manager
- );
+static opj_bool opj_j2k_read_sod( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
/**
* Updates the Tile Length Marker.
{J2K_MS_MCC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mcc},
{J2K_MS_MCO, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mco},
#endif
- {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot_v2},
+ {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
{J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod_v2},
{J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc_v2},
{J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn_v2},
{J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd_v2},
{J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc_v2},
{J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc_v2},
- {J2K_MS_SIZ, J2K_STATE_MHSIZ , j2k_read_siz_v2},
+ {J2K_MS_SIZ, J2K_STATE_MHSIZ , opj_j2k_read_siz},
{J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm_v2},
{J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm_v2},
{J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt_v2},
return OPJ_TRUE;
}
-static void j2k_read_soc(opj_j2k_t *j2k) {
- j2k->state = J2K_STATE_MHSIZ;
- /* Index */
- if (j2k->cstr_info) {
- j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2;
- j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start;
- }
-}
+
/**
* Reads a SOC marker (Start of Codestream)
* @param p_header_size the size of the data contained in the SOC marker.
* @param p_manager the user event manager.
*/
-static opj_bool j2k_read_soc_v2( opj_j2k_v2_t *p_j2k,
+static opj_bool opj_j2k_read_soc( opj_j2k_v2_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager )
{
return OPJ_TRUE;
}
-static void j2k_read_siz(opj_j2k_t *j2k) {
- int len;
- OPJ_UINT32 i;
-
- opj_cio_t *cio = j2k->cio;
- opj_image_t *image = j2k->image;
- opj_cp_t *cp = j2k->cp;
-
- len = cio_read(cio, 2); /* Lsiz */
- cio_read(cio, 2); /* Rsiz (capabilities) */
- image->x1 = cio_read(cio, 4); /* Xsiz */
- image->y1 = cio_read(cio, 4); /* Ysiz */
- image->x0 = cio_read(cio, 4); /* X0siz */
- image->y0 = cio_read(cio, 4); /* Y0siz */
- cp->tdx = cio_read(cio, 4); /* XTsiz */
- cp->tdy = cio_read(cio, 4); /* YTsiz */
- cp->tx0 = cio_read(cio, 4); /* XT0siz */
- cp->ty0 = cio_read(cio, 4); /* YT0siz */
-
- /* the following code triggers: */
- /* warning: comparison of unsigned expression < 0 is always false */
-#if 0
- if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
- opj_event_msg(j2k->cinfo, EVT_ERROR,
- "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
- image->x0,image->x1,image->y0,image->y1);
- return;
- }
-#endif
-
- image->numcomps = cio_read(cio, 2); /* Csiz */
-
-#ifdef USE_JPWL
- if (j2k->cp->correct) {
- /* if JPWL is on, we check whether TX errors have damaged
- too much the SIZ parameters */
- if (!(image->x1 * image->y1)) {
- opj_event_msg(j2k->cinfo, EVT_ERROR,
- "JPWL: bad image size (%d x %d)\n",
- image->x1, image->y1);
- if (!JPWL_ASSUME || JPWL_ASSUME) {
- opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
- return;
- }
- }
- assert( len >= 38 );
- if (image->numcomps != (OPJ_UINT32)((len - 38) / 3)) {
- opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
- "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
- image->numcomps, ((len - 38) / 3));
- if (!JPWL_ASSUME) {
- opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
- return;
- }
- /* we try to correct */
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
- if (image->numcomps < (OPJ_UINT32)((len - 38) / 3)) {
- len = 38 + 3 * image->numcomps;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
- len);
- } else {
- image->numcomps = ((len - 38) / 3);
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
- image->numcomps);
- }
- }
-
- /* update components number in the jpwl_exp_comps filed */
- cp->exp_comps = image->numcomps;
- }
-#endif /* USE_JPWL */
-
- image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
- for (i = 0; i < image->numcomps; i++) {
- int tmp, w, h;
- tmp = cio_read(cio, 1); /* Ssiz_i */
- image->comps[i].prec = (tmp & 0x7f) + 1;
- image->comps[i].sgnd = tmp >> 7;
- image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
- image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
-
-#ifdef USE_JPWL
- if (j2k->cp->correct) {
- /* if JPWL is on, we check whether TX errors have damaged
- too much the SIZ parameters, again */
- if (!(image->comps[i].dx * image->comps[i].dy)) {
- opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
- "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
- i, i, image->comps[i].dx, image->comps[i].dy);
- if (!JPWL_ASSUME) {
- opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
- return;
- }
- /* we try to correct */
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
- if (!image->comps[i].dx) {
- image->comps[i].dx = 1;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
- i, image->comps[i].dx);
- }
- if (!image->comps[i].dy) {
- image->comps[i].dy = 1;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
- i, image->comps[i].dy);
- }
- }
-
- }
-#endif /* USE_JPWL */
-
- /* TODO: unused ? */
- w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
- h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
-
- image->comps[i].resno_decoded = 0; /* number of resolution decoded */
- image->comps[i].factor = cp->reduce; /* reducing factor per component */
- }
-
- cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
- cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
-
-#ifdef USE_JPWL
- if (j2k->cp->correct) {
- /* if JPWL is on, we check whether TX errors have damaged
- too much the SIZ parameters */
- if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
- opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
- "JPWL: bad number of tiles (%d x %d)\n",
- cp->tw, cp->th);
- if (!JPWL_ASSUME) {
- opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
- return;
- }
- /* we try to correct */
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
- if (cp->tw < 1) {
- cp->tw= 1;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
- cp->tw);
- }
- if (cp->tw > cp->max_tiles) {
- cp->tw= 1;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
- "- setting %d tiles in x => HYPOTHESIS!!!\n",
- cp->max_tiles, cp->tw);
- }
- if (cp->th < 1) {
- cp->th= 1;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
- cp->th);
- }
- if (cp->th > cp->max_tiles) {
- cp->th= 1;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
- "- setting %d tiles in y => HYPOTHESIS!!!\n",
- cp->max_tiles, cp->th);
- }
- }
- }
-#endif /* USE_JPWL */
-
- cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
- cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
- cp->tileno_size = 0;
-
-#ifdef USE_JPWL
- if (j2k->cp->correct) {
- if (!cp->tcps) {
- opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
- "JPWL: could not alloc tcps field of cp\n");
- if (!JPWL_ASSUME || JPWL_ASSUME) {
- opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
- return;
- }
- }
- }
-#endif /* USE_JPWL */
-
- for (i = 0; i < (OPJ_UINT32)cp->tw * cp->th; i++) {
- cp->tcps[i].POC = 0;
- cp->tcps[i].numpocs = 0;
- cp->tcps[i].first = 1;
- }
-
- /* Initialization for PPM marker */
- cp->ppm = 0;
- cp->ppm_data = NULL;
- cp->ppm_data_first = NULL;
- cp->ppm_previous = 0;
- cp->ppm_store = 0;
-
- j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
- for (i = 0; i < (OPJ_UINT32)cp->tw * cp->th; i++) {
- cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
- }
- j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
- j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
- j2k->state = J2K_STATE_MH;
-
- /* Index */
- if (j2k->cstr_info) {
- opj_codestream_info_t *cstr_info = j2k->cstr_info;
- cstr_info->image_w = image->x1 - image->x0;
- cstr_info->image_h = image->y1 - image->y0;
- cstr_info->numcomps = image->numcomps;
- cstr_info->tw = cp->tw;
- cstr_info->th = cp->th;
- cstr_info->tile_x = cp->tdx;
- cstr_info->tile_y = cp->tdy;
- cstr_info->tile_Ox = cp->tx0;
- cstr_info->tile_Oy = cp->ty0;
- cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
- }
-}
/**
* @param p_header_size the size of the data contained in the SIZ marker.
* @param p_manager the user event manager.
*/
-opj_bool j2k_read_siz_v2 (
- opj_j2k_v2_t *p_j2k,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 p_header_size,
- struct opj_event_mgr * p_manager
- )
+static opj_bool opj_j2k_read_siz(opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ opj_event_mgr_t * p_manager
+ )
{
OPJ_UINT32 l_size, i;
OPJ_UINT32 l_nb_comp;
}
-static void j2k_read_sot(opj_j2k_t *j2k) {
- int len, tileno, totlen, partno, numparts;
- OPJ_UINT32 i;
- opj_tcp_t *tcp = NULL;
- char status = 0;
-
- opj_cp_t *cp = j2k->cp;
- opj_cio_t *cio = j2k->cio;
-
- len = cio_read(cio, 2);
- tileno = cio_read(cio, 2);
-
-#ifdef USE_JPWL
- if (j2k->cp->correct) {
-
- static int backup_tileno = 0;
-
- /* tileno is negative or larger than the number of tiles!!! */
- if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
- opj_event_msg(j2k->cinfo, EVT_ERROR,
- "JPWL: bad tile number (%d out of a maximum of %d)\n",
- tileno, (cp->tw * cp->th));
- if (!JPWL_ASSUME) {
- opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
- return;
- }
- /* we try to correct */
- tileno = backup_tileno;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
- "- setting tile number to %d\n",
- tileno);
- }
-
- /* keep your private count of tiles */
- backup_tileno++;
- }
- else
-#endif /* USE_JPWL */
- {
- /* tileno is negative or larger than the number of tiles!!! */
- if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
- opj_event_msg(j2k->cinfo, EVT_ERROR,
- "JPWL: bad tile number (%d out of a maximum of %d)\n",
- tileno, (cp->tw * cp->th));
- return;
- }
- }
-
- if (cp->tileno_size == 0) {
- cp->tileno[cp->tileno_size] = tileno;
- cp->tileno_size++;
- } else {
- i = 0;
- assert(cp->tileno_size >= 0);
- while (i < (OPJ_UINT32)cp->tileno_size && status == 0) {
- status = cp->tileno[i] == tileno ? 1 : 0;
- i++;
- }
- if (status == 0) {
- cp->tileno[cp->tileno_size] = tileno;
- cp->tileno_size++;
- }
- }
-
- totlen = cio_read(cio, 4);
-
-#ifdef USE_JPWL
- if (j2k->cp->correct) {
-
- /* totlen is negative or larger than the bytes left!!! */
- if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
- opj_event_msg(j2k->cinfo, EVT_ERROR,
- "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
- totlen, cio_numbytesleft(cio) + 8);
- if (!JPWL_ASSUME) {
- opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
- return;
- }
- /* we try to correct */
- totlen = 0;
- opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
- "- setting Psot to %d => assuming it is the last tile\n",
- totlen);
- }
-
- }
- else
-#endif /* USE_JPWL */
- {
- /* totlen is negative or larger than the bytes left!!! */
- if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
- opj_event_msg(j2k->cinfo, EVT_ERROR,
- "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
- totlen, cio_numbytesleft(cio) + 8);
- return;
- }
- }
-
- if (!totlen)
- totlen = cio_numbytesleft(cio) + 8;
-
- partno = cio_read(cio, 1);
- numparts = cio_read(cio, 1);
-
- if (partno >= numparts) {
- opj_event_msg(j2k->cinfo, EVT_WARNING, "SOT marker inconsistency in tile %d: tile-part index greater (%d) than number of tile-parts (%d)\n", tileno, partno, numparts);
- numparts = partno+1;
- }
-
- j2k->curtileno = tileno;
- j2k->cur_tp_num = partno;
- j2k->eot = cio_getbp(cio) - 12 + totlen;
- j2k->state = J2K_STATE_TPH;
- tcp = &cp->tcps[j2k->curtileno];
-
- /* Index */
- if (j2k->cstr_info) {
- if (tcp->first) {
- if (tileno == 0)
- j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
- j2k->cstr_info->tile[tileno].tileno = tileno;
- j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
- j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
- } else {
- j2k->cstr_info->tile[tileno].end_pos += totlen;
- }
- j2k->cstr_info->tile[tileno].num_tps = numparts;
- if (numparts)
- j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
- else
- j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, 10 * sizeof(opj_tp_info_t)); /* Fixme (10)*/
- j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
- j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
- j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
- }
-
- if (tcp->first == 1) {
- /* Initialization PPT */
- opj_tccp_t *tmp = tcp->tccps;
- memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
- tcp->ppt = 0;
- tcp->ppt_data = NULL;
- tcp->ppt_data_first = NULL;
- tcp->tccps = tmp;
- for (i = 0; i < j2k->image->numcomps; i++) {
- tcp->tccps[i] = j2k->default_tcp->tccps[i];
- }
- cp->tcps[j2k->curtileno].first = 0;
- }
-}
/**
* Reads a PPT marker (Packed packet headers, tile-part header)
* @param p_header_size the size of the data contained in the PPT marker.
* @param p_manager the user event manager.
*/
-opj_bool j2k_read_sot_v2 (
- opj_j2k_v2_t *p_j2k,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 p_header_size,
- struct opj_event_mgr * p_manager
- )
+opj_bool opj_j2k_read_sot ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ opj_event_mgr_t * p_manager )
{
-
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_t *l_tcp = 00;
OPJ_UINT32 l_tot_len, l_num_parts = 0;
}
-static void j2k_read_sod(opj_j2k_t *j2k) {
- int len, truncate = 0, i;
- unsigned char *data = NULL, *data_ptr = NULL;
-
- opj_cio_t *cio = j2k->cio;
- int curtileno = j2k->curtileno;
-
- /* Index */
- if (j2k->cstr_info) {
- j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
- cio_tell(cio) + j2k->pos_correction - 1;
- if (j2k->cur_tp_num == 0)
- j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
- j2k->cstr_info->packno = 0;
- }
-
- len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
-
- if (len == cio_numbytesleft(cio) + 1) {
- truncate = 1; /* Case of a truncate codestream */
- }
-
- data = j2k->tile_data[curtileno];
- data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
-
- data_ptr = data + j2k->tile_len[curtileno];
- for (i = 0; i < len; i++) {
- data_ptr[i] = cio_read(cio, 1);
- }
- j2k->tile_len[curtileno] += len;
- j2k->tile_data[curtileno] = data;
-
- if (!truncate) {
- j2k->state = J2K_STATE_TPHSOT;
- } else {
- j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
- }
- j2k->cur_tp_num++;
-}
/**
* Reads a SOD marker (Start Of Data)
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
-opj_bool j2k_read_sod_v2 (
- opj_j2k_v2_t *p_j2k,
- struct opj_stream_private *p_stream,
- struct opj_event_mgr * p_manager
- )
+opj_bool opj_j2k_read_sod (opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager
+ )
{
OPJ_UINT32 l_current_read_size;
opj_codestream_index_t * l_cstr_index = 00;
} opj_dec_mstabent_t;
opj_dec_mstabent_t j2k_dec_mstab[] = {
- {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
- {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
- {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
+ /*{J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},*/
+ /*{J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},*/
+ /*{J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},*/
{J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
- {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
+ /*{J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},*/
{J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
{J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
{J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
/* J2K / JPT decoder interface */
/* ----------------------------------------------------------------------- */
-opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
- opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
- if(!j2k)
- return NULL;
-
- j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
- if(!j2k->default_tcp) {
- opj_free(j2k);
- return NULL;
- }
-
- j2k->cinfo = cinfo;
- j2k->tile_data = NULL;
- return j2k;
-}
void j2k_destroy_decompress(opj_j2k_t *j2k) {
int i = 0;
opj_free(j2k);
}
-void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
- if(j2k && parameters) {
- /* create and initialize the coding parameters structure */
- opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
- cp->reduce = parameters->cp_reduce;
- cp->layer = parameters->cp_layer;
- cp->limit_decoding = parameters->cp_limit_decoding;
-
-#ifdef USE_JPWL
- cp->correct = parameters->jpwl_correct;
- cp->exp_comps = parameters->jpwl_exp_comps;
- cp->max_tiles = parameters->jpwl_max_tiles;
-#endif /* USE_JPWL */
-
-
- /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
- j2k->cp = cp;
- }
-}
-void j2k_setup_decoder_v2(opj_j2k_v2_t *j2k, opj_dparameters_t *parameters)
+void opj_j2k_setup_decoder(opj_j2k_v2_t *j2k, opj_dparameters_t *parameters)
{
if(j2k && parameters) {
j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
}
}
-opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
- opj_image_t *image = NULL;
-
- opj_common_ptr cinfo = j2k->cinfo;
-
- j2k->cio = cio;
- j2k->cstr_info = cstr_info;
- if (cstr_info)
- memset(cstr_info, 0, sizeof(opj_codestream_info_t));
-
- /* create an empty image */
- image = opj_image_create0();
- j2k->image = image;
-
- j2k->state = J2K_STATE_MHSOC;
-
- for (;;) {
- opj_dec_mstabent_t *e;
- int id = cio_read(cio, 2);
-
-#ifdef USE_JPWL
- /* we try to honor JPWL correction power */
- if (j2k->cp->correct) {
-
- int orig_pos = cio_tell(cio);
- opj_bool status;
-
- /* call the corrector */
- status = jpwl_correct(j2k);
-
- /* go back to where you were */
- cio_seek(cio, orig_pos - 2);
-
- /* re-read the marker */
- id = cio_read(cio, 2);
-
- /* check whether it begins with ff */
- if (id >> 8 != 0xff) {
- opj_event_msg(cinfo, EVT_ERROR,
- "JPWL: possible bad marker %x at %d\n",
- id, cio_tell(cio) - 2);
- if (!JPWL_ASSUME) {
- opj_image_destroy(image);
- opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
- return 0;
- }
- /* we try to correct */
- id = id | 0xff00;
- cio_seek(cio, cio_tell(cio) - 2);
- cio_write(cio, id, 2);
- opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
- "- setting marker to %x\n",
- id);
- }
-
- }
-#endif /* USE_JPWL */
-
- if (id >> 8 != 0xff) {
- opj_image_destroy(image);
- opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
- return 0;
- }
- e = j2k_dec_mstab_lookup(id);
- /* Check if the marker is known*/
- if (!(j2k->state & e->states)) {
- opj_image_destroy(image);
- opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
- return 0;
- }
- /* Check if the decoding is limited to the main header*/
- if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
- opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
- return image;
- }
- if (e->handler) {
- (*e->handler)(j2k);
- }
- if (j2k->state & J2K_STATE_ERR)
- return NULL;
-
- if (j2k->state == J2K_STATE_MT) {
- break;
- }
- if (j2k->state == J2K_STATE_NEOC) {
- break;
- }
- }
- if (j2k->state == J2K_STATE_NEOC) {
- j2k_read_eoc(j2k);
- }
-
- if (j2k->state != J2K_STATE_MT) {
- opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
- }
- return image;
-}
/*
* Read a JPT-stream and decode file
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
/* Try to read the SOC marker, the codestream must begin with SOC marker */
- if (! j2k_read_soc_v2(p_j2k,p_stream,p_manager)) {
+ if (! opj_j2k_read_soc(p_j2k,p_stream,p_manager)) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Expected a SOC marker \n");
return OPJ_FALSE;
}
/* If we didn't skip data before, we need to read the SOD marker*/
if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
/* Try to read the SOD marker and skip data ? FIXME */
- if (! j2k_read_sod_v2(p_j2k, p_stream, p_manager)) {
+ if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
return OPJ_FALSE;
}
*
* @return a handle to a J2K decompressor if successful, NULL otherwise.
*/
-opj_j2k_v2_t* j2k_create_decompress_v2(void)
+opj_j2k_v2_t* opj_j2k_create_decompress(void)
{
opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t));
if (!l_j2k) {
/**
* Decodes the tiles of the stream.
*/
-opj_bool j2k_decode_v2( opj_j2k_v2_t * p_j2k,
+opj_bool opj_j2k_decode(opj_j2k_v2_t * p_j2k,
opj_stream_private_t * p_stream,
opj_image_t * p_image,
opj_event_mgr_t * p_manager)
projects / openjpeg.git / blobdiff