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path: root/src/lib/openjp2/phix_manager.c
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Diffstat (limited to 'src/lib/openjp2/phix_manager.c')
-rw-r--r--src/lib/openjp2/phix_manager.c277
1 files changed, 147 insertions, 130 deletions
diff --git a/src/lib/openjp2/phix_manager.c b/src/lib/openjp2/phix_manager.c
index 45e559d4..796ce7eb 100644
--- a/src/lib/openjp2/phix_manager.c
+++ b/src/lib/openjp2/phix_manager.c
@@ -36,7 +36,7 @@
#include "opj_includes.h"
-/*
+/*
* Write faix box of phix
*
* @param[in] coff offset of j2k codestream
@@ -48,146 +48,163 @@
* @return length of faix box
*/
-int opj_write_phix( int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio,
- opj_event_mgr_t * p_manager )
+int opj_write_phix(int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused,
+ int j2klen, opj_stream_private_t *cio,
+ opj_event_mgr_t * p_manager)
{
- OPJ_BYTE l_data_header [8];
- OPJ_UINT32 len, compno, i;
- opj_jp2_box_t *box;
- OPJ_OFF_T lenp = 0;
-
- box = (opj_jp2_box_t *)opj_calloc( (size_t)cstr_info.numcomps, sizeof(opj_jp2_box_t));
- if(box == NULL){
- return 0;
- }
- for( i=0;i<2;i++){
- if (i)
- opj_stream_seek( cio, lenp, p_manager);
-
- lenp = opj_stream_tell(cio);
- opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
- opj_write_bytes(l_data_header,JPIP_PHIX,4); /* PHIX */
- opj_stream_write_data(cio,l_data_header,4,p_manager);
-
- opj_write_manf( (int)i, cstr_info.numcomps, box, cio, p_manager );
-
- for( compno=0; compno<(OPJ_UINT32)cstr_info.numcomps; compno++){
- box[compno].length = (OPJ_UINT32)opj_write_phixfaix( coff, (int)compno, cstr_info, EPHused, j2klen, cio,p_manager);
- box[compno].type = JPIP_FAIX;
+ OPJ_BYTE l_data_header [8];
+ OPJ_UINT32 len, compno, i;
+ opj_jp2_box_t *box;
+ OPJ_OFF_T lenp = 0;
+
+ box = (opj_jp2_box_t *)opj_calloc((size_t)cstr_info.numcomps,
+ sizeof(opj_jp2_box_t));
+ if (box == NULL) {
+ return 0;
+ }
+ for (i = 0; i < 2; i++) {
+ if (i) {
+ opj_stream_seek(cio, lenp, p_manager);
+ }
+
+ lenp = opj_stream_tell(cio);
+ opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
+ opj_write_bytes(l_data_header, JPIP_PHIX, 4); /* PHIX */
+ opj_stream_write_data(cio, l_data_header, 4, p_manager);
+
+ opj_write_manf((int)i, cstr_info.numcomps, box, cio, p_manager);
+
+ for (compno = 0; compno < (OPJ_UINT32)cstr_info.numcomps; compno++) {
+ box[compno].length = (OPJ_UINT32)opj_write_phixfaix(coff, (int)compno,
+ cstr_info, EPHused, j2klen, cio, p_manager);
+ box[compno].type = JPIP_FAIX;
+ }
+
+ len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
+ opj_stream_seek(cio, 4, p_manager);
+ opj_write_bytes(l_data_header, len, 4); /* L */
+ opj_stream_write_data(cio, l_data_header, 4, p_manager);
+ opj_stream_seek(cio, lenp + len, p_manager);
}
- len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp);
- opj_stream_seek(cio, 4, p_manager);
- opj_write_bytes(l_data_header,len,4);/* L */
- opj_stream_write_data(cio,l_data_header,4,p_manager);
- opj_stream_seek( cio, lenp+len,p_manager);
- }
-
- opj_free(box);
+ opj_free(box);
- return (int)len;
+ return (int)len;
}
-int opj_write_phixfaix( int coff, int compno, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio,
- opj_event_mgr_t * p_manager )
+int opj_write_phixfaix(int coff, int compno, opj_codestream_info_t cstr_info,
+ OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio,
+ opj_event_mgr_t * p_manager)
{
- OPJ_UINT32 tileno, version, i, nmax, size_of_coding; /* 4 or 8 */
- opj_tile_info_t *tile_Idx;
- opj_packet_info_t packet;
- int resno, precno, layno;
- OPJ_UINT32 num_packet;
- int numOfres, numOfprec, numOflayers;
- OPJ_BYTE l_data_header [8];
- OPJ_OFF_T lenp;
- OPJ_UINT32 len;
-
- packet.end_ph_pos = packet.start_pos = -1;
- (void)EPHused; /* unused ? */
-
-
- if( j2klen > pow( 2, 32)){
- size_of_coding = 8;
- version = 1;
- }
- else{
- size_of_coding = 4;
- version = 0;
- }
-
- lenp = opj_stream_tell(cio);
- opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
- opj_write_bytes(l_data_header,JPIP_FAIX,4); /* FAIX */
- opj_stream_write_data(cio,l_data_header,4,p_manager);
- opj_write_bytes(l_data_header,version,1); /* Version 0 = 4 bytes */
- opj_stream_write_data(cio,l_data_header,1,p_manager);
-
- nmax = 0;
- for( i=0; i<=(OPJ_UINT32)cstr_info.numdecompos[compno]; i++)
- nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] * cstr_info.numlayers);
-
- opj_write_bytes(l_data_header,nmax,size_of_coding); /* NMAX */
- opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
- opj_write_bytes(l_data_header,(OPJ_UINT32)(cstr_info.tw*cstr_info.th),size_of_coding); /* M */
- opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
-
- for( tileno=0; tileno<(OPJ_UINT32)(cstr_info.tw*cstr_info.th); tileno++){
- tile_Idx = &cstr_info.tile[ tileno];
-
- num_packet = 0;
- numOfres = cstr_info.numdecompos[compno] + 1;
-
- for( resno=0; resno<numOfres ; resno++){
- numOfprec = tile_Idx->pw[resno]*tile_Idx->ph[resno];
- for( precno=0; precno<numOfprec; precno++){
- numOflayers = cstr_info.numlayers;
- for( layno=0; layno<numOflayers; layno++){
-
- switch ( cstr_info.prog){
- case OPJ_LRCP:
- packet = tile_Idx->packet[ ((layno*numOfres+resno)*cstr_info.numcomps+compno)*numOfprec+precno];
- break;
- case OPJ_RLCP:
- packet = tile_Idx->packet[ ((resno*numOflayers+layno)*cstr_info.numcomps+compno)*numOfprec+precno];
- break;
- case OPJ_RPCL:
- packet = tile_Idx->packet[ ((resno*numOfprec+precno)*cstr_info.numcomps+compno)*numOflayers+layno];
- break;
- case OPJ_PCRL:
- packet = tile_Idx->packet[ ((precno*cstr_info.numcomps+compno)*numOfres+resno)*numOflayers + layno];
- break;
- case OPJ_CPRL:
- packet = tile_Idx->packet[ ((compno*numOfprec+precno)*numOfres+resno)*numOflayers + layno];
- break;
- default:
- fprintf( stderr, "failed to ppix indexing\n");
- }
-
- opj_write_bytes(l_data_header,(OPJ_UINT32)(packet.start_pos-coff),size_of_coding); /* start position */
- opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
- opj_write_bytes(l_data_header,(OPJ_UINT32)(packet.end_ph_pos-packet.start_pos+1),size_of_coding); /* length */
- opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
-
- num_packet++;
- }
- }
+ OPJ_UINT32 tileno, version, i, nmax, size_of_coding; /* 4 or 8 */
+ opj_tile_info_t *tile_Idx;
+ opj_packet_info_t packet;
+ int resno, precno, layno;
+ OPJ_UINT32 num_packet;
+ int numOfres, numOfprec, numOflayers;
+ OPJ_BYTE l_data_header [8];
+ OPJ_OFF_T lenp;
+ OPJ_UINT32 len;
+
+ packet.end_ph_pos = packet.start_pos = -1;
+ (void)EPHused; /* unused ? */
+
+
+ if (j2klen > pow(2, 32)) {
+ size_of_coding = 8;
+ version = 1;
+ } else {
+ size_of_coding = 4;
+ version = 0;
+ }
+
+ lenp = opj_stream_tell(cio);
+ opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
+ opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */
+ opj_stream_write_data(cio, l_data_header, 4, p_manager);
+ opj_write_bytes(l_data_header, version, 1); /* Version 0 = 4 bytes */
+ opj_stream_write_data(cio, l_data_header, 1, p_manager);
+
+ nmax = 0;
+ for (i = 0; i <= (OPJ_UINT32)cstr_info.numdecompos[compno]; i++) {
+ nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] *
+ cstr_info.numlayers);
}
- /* PADDING */
- while( num_packet < nmax){
- opj_write_bytes(l_data_header,0,size_of_coding);/* start position */
- opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
- opj_write_bytes(l_data_header,0,size_of_coding);/* length */
- opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
- num_packet++;
+ opj_write_bytes(l_data_header, nmax, size_of_coding); /* NMAX */
+ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
+ opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th),
+ size_of_coding); /* M */
+ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
+
+ for (tileno = 0; tileno < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); tileno++) {
+ tile_Idx = &cstr_info.tile[ tileno];
+
+ num_packet = 0;
+ numOfres = cstr_info.numdecompos[compno] + 1;
+
+ for (resno = 0; resno < numOfres ; resno++) {
+ numOfprec = tile_Idx->pw[resno] * tile_Idx->ph[resno];
+ for (precno = 0; precno < numOfprec; precno++) {
+ numOflayers = cstr_info.numlayers;
+ for (layno = 0; layno < numOflayers; layno++) {
+
+ switch (cstr_info.prog) {
+ case OPJ_LRCP:
+ packet = tile_Idx->packet[((layno * numOfres + resno) * cstr_info.numcomps +
+ compno) * numOfprec + precno];
+ break;
+ case OPJ_RLCP:
+ packet = tile_Idx->packet[((resno * numOflayers + layno) * cstr_info.numcomps +
+ compno) * numOfprec + precno];
+ break;
+ case OPJ_RPCL:
+ packet = tile_Idx->packet[((resno * numOfprec + precno) * cstr_info.numcomps +
+ compno) * numOflayers + layno];
+ break;
+ case OPJ_PCRL:
+ packet = tile_Idx->packet[((precno * cstr_info.numcomps + compno) * numOfres +
+ resno) * numOflayers + layno];
+ break;
+ case OPJ_CPRL:
+ packet = tile_Idx->packet[((compno * numOfprec + precno) * numOfres + resno) *
+ numOflayers + layno];
+ break;
+ default:
+ fprintf(stderr, "failed to ppix indexing\n");
+ }
+
+ opj_write_bytes(l_data_header, (OPJ_UINT32)(packet.start_pos - coff),
+ size_of_coding); /* start position */
+ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
+ opj_write_bytes(l_data_header,
+ (OPJ_UINT32)(packet.end_ph_pos - packet.start_pos + 1),
+ size_of_coding); /* length */
+ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
+
+ num_packet++;
+ }
+ }
+ }
+
+ /* PADDING */
+ while (num_packet < nmax) {
+ opj_write_bytes(l_data_header, 0,
+ size_of_coding); /* start position */
+ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
+ opj_write_bytes(l_data_header, 0,
+ size_of_coding); /* length */
+ opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
+ num_packet++;
+ }
}
- }
- len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp);
- opj_stream_seek(cio, lenp,p_manager);
- opj_write_bytes(l_data_header,len,4);/* L */
- opj_stream_write_data(cio,l_data_header,4,p_manager);
- opj_stream_seek(cio, lenp+len,p_manager);
+ len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
+ opj_stream_seek(cio, lenp, p_manager);
+ opj_write_bytes(l_data_header, len, 4); /* L */
+ opj_stream_write_data(cio, l_data_header, 4, p_manager);
+ opj_stream_seek(cio, lenp + len, p_manager);
- return (int)len;
+ return (int)len;
}
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