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https://github.com/sorenisanerd/gotty.git
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c66ae7b2e4
Launch an Xspice and run: echo -ne "\033]844;127.0.0.1;9876\007" This will launch a SPiCE client connecting to 127.0.0.1:9876. Still need to add all the security stuff and generally be more defensive in the implementation.
65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
function golomb_code_len(n, l) {
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if (n < wdi.nGRcodewords[l]) {
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return (n >>> l) + 1 + l;
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} else {
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return wdi.notGRcwlen[l];
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}
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}
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function golomb_decoding(l, bits, bppmask) {
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var cwlen;
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var result;
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if (bits > wdi.notGRprefixmask[l]) {
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var zeroprefix = cnt_l_zeroes(bits);
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cwlen = zeroprefix + 1 + l;
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result = ( (zeroprefix << l) >>> 0) | ((bits >>> (32 - cwlen)) & bppmask[l]);
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} else {
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cwlen = wdi.notGRcwlen[l];
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result = wdi.nGRcodewords[l] + ((bits) >>> (32 - cwlen) & bppmask[wdi.notGRsuffixlen[l]]);
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}
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return [result,cwlen];
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}
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/* update the bucket using just encoded curval */
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function real_update_model(state, bucket, curval, bpp) {
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var i;
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var bestcode;
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var bestcodelen;
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var ithcodelen;
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var pcounters = bucket.pcounters;
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bestcode = bpp - 1;
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bestcodelen = (pcounters[bestcode] += golomb_code_len(curval, bestcode));
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for (i = bpp - 2; i >= 0; i--) {
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ithcodelen = (pcounters[i] += golomb_code_len(curval, i));
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if (ithcodelen < bestcodelen) {
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bestcode = i;
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bestcodelen = ithcodelen;
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}
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}
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bucket.bestcode = bestcode;
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if (bestcodelen > state.wm_trigger) {
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for (i = 0; i < bpp; i++) {
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pcounters[i] >>>= 1;
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}
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}
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}
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function UPDATE_MODEL(index, encoder, bpp, correlate_row_r, correlate_row_g, correlate_row_b) {
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real_update_model(encoder.rgb_state, find_bucket(encoder.channels[0],
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correlate_row_r[index - 1]), correlate_row_r[index], bpp);
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real_update_model(encoder.rgb_state, find_bucket(encoder.channels[1],
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correlate_row_g[index - 1]), correlate_row_g[index], bpp);
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real_update_model(encoder.rgb_state, find_bucket(encoder.channels[2],
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correlate_row_b[index - 1]), correlate_row_b[index], bpp);
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}
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function find_bucket(channel, val) {
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if(val===undefined) {
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val=channel.oldFirst;
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}
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return channel._buckets_ptrs[val];
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} |