/** * Creates a new packet header encoder, using the information from the 'infoSrc' object. The * information used is the number of components, number of tiles, subband decomposition, etc. * * <p>Note that this constructor visits all the tiles in the 'infoSrc' object. The 'infoSrc' * object is left at the original tile (i.e. the current tile before calling this constructor), * but any side effects of visiting the tiles is not reverted. * * @param infoSrc The source of information to construct the object. * @param encSpec The parameters for the encoding * @param maxNumPrec Maximum number of precinct in each tile, component and resolution level. * @param pl ParameterList instance that holds command line options */ public PktEncoder(CodedCBlkDataSrcEnc infoSrc, J2KImageWriteParamJava wp, Point[][][] numPrec) { this.infoSrc = infoSrc; this.wp = wp; // this.numPrec = numPrec; // Get number of components and tiles int nc = infoSrc.getNumComps(); int nt = infoSrc.getNumTiles(); // Do initial allocation ttIncl = new TagTreeEncoder[nt][nc][][][]; ttMaxBP = new TagTreeEncoder[nt][nc][][][]; lblock = new int[nt][nc][][][]; prevtIdxs = new int[nt][nc][][][]; ppinfo = new PrecInfo[nt][nc][][]; // Finish allocation SubbandAn root, sb; int maxs, mins; int mrl; Point tmpCoord = null; int numcb; // Number of code-blocks Vector cblks = null; infoSrc.setTile(0, 0); for (int t = 0; t < nt; t++) { // Loop on tiles for (int c = 0; c < nc; c++) { // Loop on components // Get number of resolution levels root = infoSrc.getAnSubbandTree(t, c); mrl = root.resLvl; lblock[t][c] = new int[mrl + 1][][]; ttIncl[t][c] = new TagTreeEncoder[mrl + 1][][]; ttMaxBP[t][c] = new TagTreeEncoder[mrl + 1][][]; prevtIdxs[t][c] = new int[mrl + 1][][]; ppinfo[t][c] = new PrecInfo[mrl + 1][]; for (int r = 0; r <= mrl; r++) { // Loop on resolution levels mins = (r == 0) ? 0 : 1; maxs = (r == 0) ? 1 : 4; int maxPrec = numPrec[t][c][r].x * numPrec[t][c][r].y; ttIncl[t][c][r] = new TagTreeEncoder[maxPrec][maxs]; ttMaxBP[t][c][r] = new TagTreeEncoder[maxPrec][maxs]; prevtIdxs[t][c][r] = new int[maxs][]; lblock[t][c][r] = new int[maxs][]; // Precincts and code-blocks ppinfo[t][c][r] = new PrecInfo[maxPrec]; fillPrecInfo(t, c, r); for (int s = mins; s < maxs; s++) { // Loop on subbands sb = (SubbandAn) root.getSubbandByIdx(r, s); numcb = sb.numCb.x * sb.numCb.y; lblock[t][c][r][s] = new int[numcb]; ArrayUtil.intArraySet(lblock[t][c][r][s], INIT_LBLOCK); prevtIdxs[t][c][r][s] = new int[numcb]; ArrayUtil.intArraySet(prevtIdxs[t][c][r][s], -1); } } } if (t != nt - 1) infoSrc.nextTile(); } }