[trunk] first steps about merge compression WIP
This commit is contained in:
parent
4a2673772a
commit
fcfb8dd2ed
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@ -6,6 +6,7 @@
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* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2006-2007, Parvatha Elangovan
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* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -211,6 +212,8 @@ void encode_help_display(void) {
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fprintf(stdout," -F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
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fprintf(stdout," Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
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fprintf(stdout,"\n");
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fprintf(stdout,"-m : use array-based MCT, values are coma separated, line by line\n");
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fprintf(stdout," no specific separators between lines, no space allowed between values\n");
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fprintf(stdout,"-jpip : write jpip codestream index box in JP2 output file\n");
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fprintf(stdout," NOTICE: currently supports only RPCL order\n");
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fprintf(stdout,"\n");
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@ -1054,6 +1057,73 @@ int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
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}
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break;
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/* ------------------------------------------------------ */
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case 'm': /* mct input file */
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{
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char *lFilename = opj_optarg;
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char *lMatrix;
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char *lCurrentPtr ;
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float *lCurrentDoublePtr;
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float *lSpace;
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int *l_int_ptr;
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int lNbComp = 0, lTotalComp, lMctComp, i, lStrLen;
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/* Open file */
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FILE * lFile = fopen(lFilename,"r");
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if (lFile == NULL) {
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return 1;
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}
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/* Set size of file and read its content*/
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fseek(lFile,0,SEEK_END);
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lStrLen = ftell(lFile);
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fseek(lFile,0,SEEK_SET);
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lMatrix = (char *) malloc(lStrLen + 1);
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fread(lMatrix, lStrLen, 1, lFile);
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fclose(lFile);
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lMatrix[lStrLen] = 0;
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lCurrentPtr = lMatrix;
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/* replace ',' by 0 */
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while (*lCurrentPtr != 0 ) {
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if (*lCurrentPtr == ' ') {
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*lCurrentPtr = 0;
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++lNbComp;
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}
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++lCurrentPtr;
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}
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++lNbComp;
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lCurrentPtr = lMatrix;
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lNbComp = (int) (sqrt(4*lNbComp + 1)/2. - 0.5);
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lMctComp = lNbComp * lNbComp;
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lTotalComp = lMctComp + lNbComp;
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lSpace = (float *) malloc(lTotalComp * sizeof(float));
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lCurrentDoublePtr = lSpace;
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for (i=0;i<lMctComp;++i) {
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lStrLen = strlen(lCurrentPtr) + 1;
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*lCurrentDoublePtr++ = (float) atof(lCurrentPtr);
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lCurrentPtr += lStrLen;
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}
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l_int_ptr = (int*) lCurrentDoublePtr;
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for (i=0;i<lNbComp;++i) {
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lStrLen = strlen(lCurrentPtr) + 1;
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*l_int_ptr++ = atoi(lCurrentPtr);
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lCurrentPtr += lStrLen;
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}
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/* TODO should not be here ! */
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opj_set_MCT(parameters, lSpace, (int *)(lSpace + lMctComp), lNbComp);
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/* Free memory*/
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free(lSpace);
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free(lMatrix);
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}
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break;
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/* ------------------------------------------------------ */
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/* UniPG>> */
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@ -1486,20 +1556,30 @@ void info_callback(const char *msg, void *client_data) {
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}
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/* -------------------------------------------------------------------------- */
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/**
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* IMAGE_TO_J2K MAIN
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*/
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/* -------------------------------------------------------------------------- */
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int main(int argc, char **argv) {
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opj_bool bSuccess;
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FILE *f = NULL;
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opj_cparameters_t parameters; /* compression parameters */
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img_fol_t img_fol;
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opj_event_mgr_t event_mgr; /* event manager */
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opj_stream_t *cio = 00;
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opj_codec_t* cinfo = 00;
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opj_image_t *image = NULL;
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int i,num_images;
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int imageno;
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dircnt_t *dirptr = NULL;
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raw_cparameters_t raw_cp;
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opj_codestream_info_t cstr_info; /* Codestream information structure */
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char indexfilename[OPJ_PATH_LEN]; /* index file name */
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int i, num_images, imageno;
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img_fol_t img_fol;
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dircnt_t *dirptr = NULL;
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opj_bool bSuccess;
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/*
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configure the event callbacks (not required)
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setting of each callback is optionnal
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@ -1580,6 +1660,7 @@ int main(int argc, char **argv) {
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continue;
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}
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}
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switch(parameters.decod_format) {
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case PGX_DFMT:
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break;
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@ -1627,6 +1708,7 @@ int main(int argc, char **argv) {
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return 1;
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}
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break;
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#ifdef HAVE_LIBTIFF
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case TIF_DFMT:
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image = tiftoimage(parameters.infile, ¶meters);
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@ -1636,6 +1718,7 @@ int main(int argc, char **argv) {
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}
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break;
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#endif /* HAVE_LIBTIFF */
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case RAW_DFMT:
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image = rawtoimage(parameters.infile, ¶meters, &raw_cp);
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if (!image) {
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@ -1651,6 +1734,7 @@ int main(int argc, char **argv) {
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return 1;
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}
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break;
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#ifdef HAVE_LIBPNG
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case PNG_DFMT:
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image = pngtoimage(parameters.infile, ¶meters);
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@ -1661,14 +1745,15 @@ int main(int argc, char **argv) {
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break;
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#endif /* HAVE_LIBPNG */
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}
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/* Can happen if input file is TIFF or PNG
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* and HAVE_LIBTIF or HAVE_LIBPNG is undefined
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*/
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if( !image)
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{
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if( !image) {
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fprintf(stderr, "Unable to load file: got no image\n");
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return 1;
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}
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/* Decide if MCT should be used */
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parameters.tcp_mct = image->numcomps == 3 ? 1 : 0;
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/* encode the destination image */
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/* ---------------------------- */
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switch(parameters.decod_format) {
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case J2K_CFMT: /* JPEG-2000 codestream */
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{
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/* Get a decoder handle */
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cinfo = opj_create_compress_v2(CODEC_J2K);
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break;
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}
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case JP2_CFMT: /* JPEG 2000 compressed image data */
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{
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/* Get a decoder handle */
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cinfo = opj_create_compress_v2(CODEC_JP2);
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break;
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}
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default:
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fprintf(stderr, "skipping file..\n");
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opj_stream_destroy(cio);
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continue;
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}
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opj_setup_encoder(cinfo, ¶meters, image);
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/* Open the output file*/
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f = fopen(parameters.outfile, "wb");
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if (! f) {
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fprintf(stderr, "Not enable to create output file!\n");
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opj_stream_destroy(cio);
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return 1;
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}
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if (parameters.cod_format == J2K_CFMT) { /* J2K format output */
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int codestream_length;
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size_t res;
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@ -8517,3 +8517,114 @@ opj_bool j2k_set_decoded_resolution_factor(opj_j2k_v2_t *p_j2k, OPJ_UINT32 res_f
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return OPJ_FALSE;
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}
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/**
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* Encodes all the tiles in a row.
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*/
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opj_bool j2k_encode_v2( opj_j2k_v2_t * p_j2k,
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opj_stream_private_t *p_stream,
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opj_event_mgr_t * p_manager )
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{
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OPJ_UINT32 i;
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OPJ_UINT32 l_nb_tiles;
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OPJ_UINT32 l_max_tile_size, l_current_tile_size;
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OPJ_BYTE * l_current_data;
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/* preconditions */
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assert(p_j2k != 00);
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assert(p_stream != 00);
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assert(p_manager != 00);
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l_current_data = (OPJ_BYTE*)opj_malloc(1000);
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if (! l_current_data) {
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return OPJ_FALSE;
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}
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l_max_tile_size = 1000;
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l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
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for (i=0;i<l_nb_tiles;++i) {
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if (! j2k_pre_write_tile(p_j2k,i,p_stream,p_manager)) {
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opj_free(l_current_data);
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return OPJ_FALSE;
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}
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l_current_tile_size = tcd_get_encoded_tile_size(p_j2k->m_tcd);
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if (l_current_tile_size > l_max_tile_size) {
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l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_tile_size);
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if (! l_current_data) {
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return OPJ_FALSE;
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}
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l_max_tile_size = l_current_tile_size;
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}
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j2k_get_tile_data(p_j2k->m_tcd,l_current_data);
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if (! j2k_post_write_tile (p_j2k,l_current_data,l_current_tile_size,p_stream,p_manager)) {
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return OPJ_FALSE;
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}
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}
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opj_free(l_current_data);
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return OPJ_TRUE;
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}
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/**
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* Ends the compression procedures and possibility add data to be read after the
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* codestream.
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*/
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opj_bool j2k_end_compress( opj_j2k_v2_t *p_j2k,
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opj_stream_private_t *p_stream,
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struct opj_event_mgr * p_manager)
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{
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/* customization of the encoding */
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j2k_setup_end_compress(p_j2k);
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if (! j2k_exec (p_j2k, p_j2k->m_procedure_list, p_stream, p_manager))
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{
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return OPJ_FALSE;
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}
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return OPJ_TRUE;
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}
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/**
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* Starts a compression scheme, i.e. validates the codec parameters, writes the header.
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*
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* @param p_j2k the jpeg2000 codec.
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* @param p_stream the stream object.
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* @param p_manager the user event manager.
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*
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* @return true if the codec is valid.
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*/
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opj_bool j2k_start_compress(opj_j2k_v2_t *p_j2k,
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opj_stream_private_t *p_stream,
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opj_image_t * p_image,
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opj_event_mgr_t * p_manager)
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{
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// preconditions
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assert(p_j2k != 00);
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assert(p_stream != 00);
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assert(p_manager != 00);
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p_j2k->m_image = p_image;
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/* customization of the validation */
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j2k_setup_encoding_validation (p_j2k);
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/* validation of the parameters codec */
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if (! j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager)) {
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return OPJ_FALSE;
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}
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/* customization of the encoding */
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j2k_setup_header_writting(p_j2k);
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/* write header */
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if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
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return OPJ_FALSE;
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}
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return OPJ_TRUE;
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}
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@ -1024,4 +1024,20 @@ opj_bool j2k_get_tile( opj_j2k_v2_t *p_j2k,
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opj_bool j2k_set_decoded_resolution_factor(opj_j2k_v2_t *p_j2k, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager);
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/**
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* Encodes an image into a JPEG-2000 codestream
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*/
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opj_bool j2k_encode_v2( opj_j2k_v2_t * p_j2k,
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opj_stream_private_t *cio,
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struct opj_event_mgr * p_manager );
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/**
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* Ends the compression procedures and possibiliy add data to be read after the
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* codestream.
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*/
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opj_bool j2k_end_compress( opj_j2k_v2_t *p_j2k,
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opj_stream_private_t *cio,
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struct opj_event_mgr * p_manager);
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#endif /* __J2K_H */
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@ -529,6 +529,74 @@ opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
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return cinfo;
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}
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opj_codec_t* OPJ_CALLCONV opj_create_compress_v2(OPJ_CODEC_FORMAT p_format)
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{
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opj_codec_private_t *l_info = 00;
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l_info = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
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if (!l_info) {
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return 00;
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}
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memset(l_info, 0, sizeof(opj_codec_private_t));
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l_info->is_decompressor = 0;
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switch(p_format) {
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case CODEC_J2K:
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l_info->m_codec_data.m_compression.opj_encode = (opj_bool (*) ( void *,
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struct opj_stream_private *,
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struct opj_event_mgr * ) ) j2k_encode_v2;
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l_info->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) ( void *,
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struct opj_stream_private *,
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struct opj_event_mgr *)) j2k_end_compress;
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l_info->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) ( void *,
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struct opj_stream_private *,
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struct opj_image * ,
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struct opj_event_mgr *) ) j2k_start_compress;
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l_info->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr *)) j2k_write_tile;
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l_info->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) j2k_destroy;
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l_info->m_codec_data.m_compression.opj_setup_encoder = (void (*) (void *,opj_cparameters_t *,struct opj_image *, struct opj_event_mgr * )) j2k_setup_encoder;
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l_info->m_codec = j2k_create_compress();
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if (! l_info->m_codec)
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{
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opj_free(l_info);
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return 00;
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}
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break;
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case CODEC_JP2:
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/* get a JP2 decoder handle */
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l_info->m_codec_data.m_compression.opj_encode = (bool (*) (void *, struct opj_stream_private *, struct opj_event_mgr * )) opj_jp2_encode;
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l_info->m_codec_data.m_compression.opj_end_compress = (bool (*) (void *, struct opj_stream_private *, struct opj_event_mgr *)) jp2_end_compress;
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l_info->m_codec_data.m_compression.opj_start_compress = (bool (*) (void *,struct opj_stream_private *,struct opj_image * , struct opj_event_mgr *)) jp2_start_compress;
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l_info->m_codec_data.m_compression.opj_write_tile = (bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr *)) jp2_write_tile;
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l_info->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) jp2_destroy;
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l_info->m_codec_data.m_compression.opj_setup_encoder = (void (*) (void *,opj_cparameters_t *,struct opj_image *, struct opj_event_mgr * )) jp2_setup_encoder;
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l_info->m_codec = jp2_create(false);
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if (! l_info->m_codec) {
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opj_free(l_info);
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return 00;
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}
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break;
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case CODEC_UNKNOWN:
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case CODEC_JPT:
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default:
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opj_free(l_info);
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return 00;
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}
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set_default_event_handler(&(l_info->m_event_mgr));
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return (opj_codec_t*) l_info;
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}
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void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
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if(cinfo) {
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/* destroy the codec */
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@ -1034,3 +1102,31 @@ opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec, OP
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return OPJ_TRUE;
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}
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opj_bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
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{
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OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * sizeof(OPJ_FLOAT32);
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OPJ_UINT32 l_dc_shift_size = pNbComp * sizeof(OPJ_INT32);
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||||
OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
|
||||
|
||||
/* add MCT capability */
|
||||
int rsiz = (int)parameters->cp_rsiz | (int)MCT;
|
||||
parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
|
||||
parameters->irreversible = 1;
|
||||
|
||||
/* use array based MCT */
|
||||
parameters->tcp_mct = 2;
|
||||
parameters->mct_data = opj_malloc(l_mct_total_size);
|
||||
if (! parameters->mct_data) {
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
|
||||
memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
|
||||
memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size,p_dc_shift,l_dc_shift_size);
|
||||
|
||||
return OPJ_TRUE;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
|
|
@ -165,7 +165,8 @@ typedef OPJ_INT64 OPJ_OFF_T;
|
|||
typedef enum RSIZ_CAPABILITIES {
|
||||
STD_RSIZ = 0, /** Standard JPEG2000 profile*/
|
||||
CINEMA2K = 3, /** Profile name for a 2K image*/
|
||||
CINEMA4K = 4 /** Profile name for a 4K image*/
|
||||
CINEMA4K = 4, /** Profile name for a 4K image*/
|
||||
MCT = 0x8100
|
||||
} OPJ_RSIZ_CAPABILITIES;
|
||||
|
||||
/**
|
||||
|
@ -417,6 +418,9 @@ typedef struct opj_cparameters {
|
|||
char tcp_mct;
|
||||
/** Enable JPIP indexing*/
|
||||
opj_bool jpip_on;
|
||||
/** Naive implementation of MCT restricted to a single reversible array based encoding without offset concerning all the components. */
|
||||
void * mct_data;
|
||||
|
||||
} opj_cparameters_t;
|
||||
|
||||
#define OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG 0x0001
|
||||
|
@ -1391,6 +1395,15 @@ Creates a J2K/JP2 compression structure
|
|||
@return Returns a handle to a compressor if successful, returns NULL otherwise
|
||||
*/
|
||||
OPJ_API opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format);
|
||||
|
||||
/**
|
||||
Creates a J2K/JP2 compression structure
|
||||
@param format Coder to select
|
||||
@return Returns a handle to a compressor if successful, returns NULL otherwise
|
||||
*/
|
||||
OPJ_API opj_codec_t* OPJ_CALLCONV opj_create_compress_v2(OPJ_CODEC_FORMAT format);
|
||||
|
||||
|
||||
/**
|
||||
Destroy a compressor handle
|
||||
@param cinfo compressor handle to destroy
|
||||
|
@ -1529,6 +1542,26 @@ OPJ_API opj_jp2_metadata_t* OPJ_CALLCONV opj_get_jp2_metadata(opj_codec_t *p_cod
|
|||
OPJ_API opj_jp2_index_t* OPJ_CALLCONV opj_get_jp2_index(opj_codec_t *p_codec);
|
||||
|
||||
|
||||
/*
|
||||
==========================================================
|
||||
new functions
|
||||
==========================================================
|
||||
*/
|
||||
|
||||
/**
|
||||
* Sets the MCT matrix to use.
|
||||
*
|
||||
* @param parameters the parameters to change.
|
||||
* @param pEncodingMatrix the encoding matrix.
|
||||
* @param p_dc_shift the dc shift coefficients to use.
|
||||
* @param pNbComp the number of components of the image.
|
||||
*
|
||||
* @return true if the parameters could be set.
|
||||
*/
|
||||
OPJ_API opj_bool OPJ_CALLCONV opj_set_MCT( opj_cparameters_t *parameters,
|
||||
OPJ_FLOAT32 * pEncodingMatrix,
|
||||
OPJ_INT32 * p_dc_shift,
|
||||
OPJ_UINT32 pNbComp);
|
||||
|
||||
|
||||
|
||||
|
|
Loading…
Reference in New Issue