Exemplo n.º 1
0
    void save_bucket(const ColorBucket &b, SimpleSymbolCoder<FLIFBitChanceMeta, RacOut<IO>, 18> &coder, const ColorRanges *srcRanges, const int plane, const prevPlanes &pixelL, const prevPlanes &pixelU) const {
        if (plane<3)
        for (int p=0; p<plane; p++) {
                if (!cb->exists(p,pixelL,pixelU)) {
                        if (!b.empty()) {printf("\nBucket does not exist but is not empty!\n"); assert(false);}
                        return;
                }
        }
        ColorVal smin,smax;
        minmax(srcRanges,plane,pixelL,pixelU,smin,smax);

        if (b.min > b.max) {
                coder.write_int(0, 1, 0);  // empty bucket
                return;
        } else coder.write_int(0, 1, 1);  // non-empty bucket
        if (smin==smax) { return;}


        coder.write_int(smin, smax, b.min);
        coder.write_int(b.min, smax, b.max);
        if (b.min == b.max) return;  // singleton bucket
        if (b.min + 1  == b.max) return; // bucket contains two consecutive values
        coder.write_int(0, 1, b.discrete);
        if (b.discrete) {
           assert((int)b.values.size() < b.max-b.min+1); // no discrete buckets that are completely full
           coder.write_int(2, std::min((int)max_per_colorbucket[plane],b.max-b.min), b.values.size());
           ColorVal v=b.min;
           int nb = b.values.size();
           for (int p=1; p < nb - 1; p++) {
               coder.write_int(v+1, b.max+1-nb+p, b.values[p]);
               v = b.values[p];
           }
        }
    }
Exemplo n.º 2
0
    void save_bucket(const ColorBucket &b, SimpleSymbolCoder<FLIFBitChanceMeta, RacOut<IO>, 24> &coder, const ColorRanges *srcRanges, const int plane, const prevPlanes &pixelL, const prevPlanes &pixelU) const {
        if (plane<3)
        for (int p=0; p<plane; p++) {
                if (!cb->exists(p,pixelL,pixelU)) {
                        if (!b.empty()) {printf("\nBucket does not exist but is not empty!\n"); assert(false);}
                        return;
                }
        }
//        SimpleBitCoder<FLIFBitChanceMeta, RacOut> bcoder(rac);
//        if (b.min > b.max) printf("SHOULD NOT HAPPEN!\n");

        ColorVal smin,smax;
        minmax(srcRanges,plane,pixelL,pixelU,smin,smax);
        if (smin==smax) { return;}

//        b.printshort();
//        b.print();

        if (b.min > b.max) {
                coder.write_int(0, 1, 0);  // empty bucket
                return;
        } else coder.write_int(0, 1, 1);  // non-empty bucket


        coder.write_int(smin, smax, b.min);
        coder.write_int(b.min, smax, b.max);
        if (b.min == b.max) return;  // singleton bucket
        if (b.min + 1  == b.max) return; // bucket contains two consecutive values
        coder.write_int(0, 1, b.discrete);
        if (b.discrete) {
           coder.write_int(2, max_per_colorbucket[plane], b.values.size());
           ColorVal v=b.min;
/*           if (b.values.size() > 10) {
             v++;
             bcoder.set( 0x1000 * (b.values.size()-2) / (b.max-b.min-1) );
             for (unsigned int p=1; p < b.values.size() - 1; p++) {
               while (v<b.values[p]) { bcoder.write(0); v++; }
               bcoder.write(1); v++;
             }
           } else   */
             for (unsigned int p=1; p < b.values.size() - 1; p++) {
               coder.write_int(v+1, b.max-1, b.values[p]);
//               coder.write_int(0, b.max-v-2, b.values[p]-v-1);
               v = b.values[p];
             }
        }
    }