How to use decodeMcu method in wpt

Best JavaScript code snippet using wpt

jpg.js

Source:jpg.js

...263          successiveACState = 0;264        }265      }266    }267    function decodeMcu(component, decode, mcu, row, col) {268      var mcuRow = (mcu / mcusPerLine) | 0;269      var mcuCol = mcu % mcusPerLine;270      var blockRow = mcuRow * component.v + row;271      var blockCol = mcuCol * component.h + col;272      var offset = getBlockBufferOffset(component, blockRow, blockCol);273      decode(component, offset);274    }275    function decodeBlock(component, decode, mcu) {276      var blockRow = (mcu / component.blocksPerLine) | 0;277      var blockCol = mcu % component.blocksPerLine;278      var offset = getBlockBufferOffset(component, blockRow, blockCol);279      decode(component, offset);280    }281    var componentsLength = components.length;282    var component, i, j, k, n;283    var decodeFn;284    if (progressive) {285      if (spectralStart === 0) {286        decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;287      } else {288        decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;289      }290    } else {291      decodeFn = decodeBaseline;292    }293    var mcu = 0, marker;294    var mcuExpected;295    if (componentsLength === 1) {296      mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;297    } else {298      mcuExpected = mcusPerLine * frame.mcusPerColumn;299    }300    if (!resetInterval) {301      resetInterval = mcuExpected;302    }303    var h, v;304    while (mcu < mcuExpected) {305      // reset interval stuff306      for (i = 0; i < componentsLength; i++) {307        components[i].pred = 0;308      }309      eobrun = 0;310      if (componentsLength === 1) {311        component = components[0];312        for (n = 0; n < resetInterval; n++) {313          decodeBlock(component, decodeFn, mcu);314          mcu++;315        }316      } else {317        for (n = 0; n < resetInterval; n++) {318          for (i = 0; i < componentsLength; i++) {319            component = components[i];320            h = component.h;321            v = component.v;322            for (j = 0; j < v; j++) {323              for (k = 0; k < h; k++) {324                decodeMcu(component, decodeFn, mcu, j, k);325              }326            }327          }328          mcu++;329        }330      }331      // find marker332      bitsCount = 0;333      marker = (data[offset] << 8) | data[offset + 1];334      if (marker <= 0xFF00) {335        throw 'marker was not found';336      }337      if (marker >= 0xFFD0 && marker <= 0xFFD7) { // RSTx338        offset += 2;...

jpeg-decoder.js

Source:jpeg-decoder.js

...269                if (eobrun === 0)270                    successiveACState = 0;271            }272        }273        function decodeMcu(component, decode, mcu, row, col)274        {275            var mcuRow = (mcu / mcusPerLine) | 0;276            var mcuCol = mcu % mcusPerLine;277            var blockRow = mcuRow * component.v + row;278            var blockCol = mcuCol * component.h + col;279            decode(component, component.blocks[blockRow][blockCol]);280        }281        function decodeBlock(component, decode, mcu)282        {283            var blockRow = (mcu / component.blocksPerLine) | 0;284            var blockCol = mcu % component.blocksPerLine;285            decode(component, component.blocks[blockRow][blockCol]);286        }287        var componentsLength = components.length,288            component, i, j, k, n, decodeFn;289        if (progressive)290        {291            if (spectralStart === 0)292                decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;293            else294                decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;295        }296        else297        {298            decodeFn = decodeBaseline;299        }300        var mcu = 0,301            marker,302            mcuExpected;303        if (componentsLength == 1)304        {305            mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;306        }307        else308        {309            mcuExpected = mcusPerLine * frame.mcusPerColumn;310        }311        if (!resetInterval) resetInterval = mcuExpected;312        var h, v;313        while (mcu < mcuExpected)314        {315            for (i = 0; i < componentsLength; i++)316                components[i].pred = 0;317            eobrun = 0;318            if (componentsLength == 1)319            {320                component = components[0];321                for (n = 0; n < resetInterval; n++)322                {323                    decodeBlock(component, decodeFn, mcu);324                    mcu++;325                }326            }327            else328            {329                for (n = 0; n < resetInterval; n++)330                {331                    for (i = 0; i < componentsLength; i++)332                    {333                        component = components[i];334                        h = component.h;335                        v = component.v;336                        for (j = 0; j < v; j++)337                        {338                            for (k = 0; k < h; k++)339                            {340                                decodeMcu(component, decodeFn, mcu, j, k);341                            }342                        }343                    }344                    mcu++;345                }346            }347            bitsCount = 0;348            marker = (data[offset] << 8) | data[offset + 1];349            if (marker >= 0xFFD0 && marker <= 0xFFD7)350            { // RSTx351                offset += 2;352            }353            else354                break;...

jpegDecodeScan.ts

Source:jpegDecodeScan.ts

...177            eobrun--;178            if (eobrun === 0) successiveACState = 0;179        }180    }181    function decodeMcu(component: any, decode: any, mcu: any, row: any, col: any) {182        let mcuRow = (mcu / mcusPerLine!) | 0;183        let mcuCol = mcu % mcusPerLine!;184        let blockRow = mcuRow * component.v + row;185        let blockCol = mcuCol * component.h + col;186        // If the block is missing and we're in tolerant mode, just skip it.187        if (component.blocks[blockRow] === undefined && opts.tolerantDecoding) {188            return;189        }190        decode(component, component.blocks[blockRow][blockCol]);191    }192    function decodeBlock(component: any, decode: any, mcu: any) {193        let blockRow = (mcu / component.blocksPerLine) | 0;194        let blockCol = mcu % component.blocksPerLine;195        // If the block is missing and we're in tolerant mode, just skip it.196        if (component.blocks[blockRow] === undefined && opts.tolerantDecoding) {197            return;198        }199        decode(component, component.blocks[blockRow][blockCol]);200    }201    let componentsLength = components.length;202    let component, i, j, k, n;203    let decodeFn;204    if (progressive) {205        if (spectralStart === 0) {206            decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;207        } else decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;208    } else {209        decodeFn = decodeBaseline;210    }211    let mcu = 0,212        marker;213    let mcuExpected;214    if (componentsLength == 1) {215        const componentAtIndexZero = components[0];216        if (!componentAtIndexZero) {217            throw new Error("Unexpected condition: componentAtIndexZero is falsy, expected it to be an object");218        }219        const blocksPerLine = componentAtIndexZero.blocksPerLine;220        const blocksPerColumn = componentAtIndexZero.blocksPerColumn;221        mcuExpected = blocksPerLine! * blocksPerColumn!;222    } else {223        mcuExpected = mcusPerLine! * frame.mcusPerColumn!;224    }225    if (!resetInterval) resetInterval = mcuExpected;226    let h, v;227    while (mcu < mcuExpected) {228        // reset interval stuff229        for (i = 0; i < componentsLength; i++) {230            const componentAtI = components[i];231            if (!componentAtI) {232                throw new Error(`Unexpected condition: components[${i}] is falsy, expected it to be an object`);233            }234            componentAtI.pred = 0;235        }236        eobrun = 0;237        if (componentsLength == 1) {238            component = components[0];239            for (n = 0; n < resetInterval; n++) {240                decodeBlock(component, decodeFn, mcu);241                mcu++;242            }243        } else {244            for (n = 0; n < resetInterval; n++) {245                for (i = 0; i < componentsLength; i++) {246                    component = components[i];247                    h = component.h;248                    v = component.v;249                    for (j = 0; j < v; j++) {250                        for (k = 0; k < h; k++) {251                            decodeMcu(component, decodeFn, mcu, j, k);252                        }253                    }254                }255                mcu++;256                // If we've reached our expected MCU's, stop decoding257                if (mcu === mcuExpected) break;258            }259        }260        if (mcu === mcuExpected) {261            // Skip trailing bytes at the end of the scan - until we reach the next marker262            do {263                if (data[offset] === 0xff) {264                    if (data[offset + 1] !== 0x00) {265                        break;...

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var fs = require('fs');3var path = require('path');4var mcu = fs.readFileSync(path.join(__dirname, 'mcu.bin'));5console.log(wptoolkit.decodeMcu(mcu));6[MIT](LICENSE)

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var data = fs.readFileSync('data.txt', 'utf8');4var wpt = wptools(data);5wpt.decodeMcu(function(err, res) {6  console.log(res);7});

Using AI Code Generation

1var wptools = require('wptools');2var wp = new wptools('Albert Einstein');3wp.decodeMcu(['Albert Einstein', 'Einstein', 'Einstein family', 'Einstein\'s theory of relativity', 'Einstein\'s general theory of relativity', 'Einstein\'s field equations', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle', 'Einstein\'s theory of gravitation', 'Einstein\'s gravitational field equation', 'Einstein\'s gravitational mass', 'Einstein\'s equivalence principle'], function(err, result) {4    if (err) {5        console.log(err);6    } else {7        console.log(result);8    }9});

Using AI Code Generation

1var wpt = require('webpagetest');2var server = wpt('www.webpagetest.org');3server.decodeMcu('7-15-2015_1B_0f3c0d7a3f3c0d7a3f3c0d7a3f3c0d7a', function(err, data) {4    if (err) {5        console.log(err);6    }7    else {8        console.log(JSON.stringify(data));9    }10});11###wpt(server, key)12###server.runTest(url, [options], callback)13###server.getTestStatus(testId, callback)14###server.getTestResults(testId, callback)15###server.decodeMcu(mcu, callback)

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