Quellcode-Bibliothek test_mixingRules.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/media/webaudio/test/test_mixingRules.html

<!DOCTYPE html>
<html>
<head>
  <title>Testcase for AudioNode channel up-mix/down-mix rules</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="webaudio.js"></script>
  <link="stylesheet" typetext" href=/tests/SimpleTest/test.css" /java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
</head>

<body>

<script>

// This test is based on http://src.chromium.org/viewvc/blink/trunk/LayoutTests/webaudio/audionode-channel-rules.html

var context = null;
var sp = null;
var renderNumberOfChannels = 8;
var singleTestFrameLength = 8;
var testBuffers;

// A list of connections to an AudioNode input, each of which is to be used in one or more specific test cases.
// Each element in the is a string, with numberof connectionscorresponding tothe of the string,
// and each character in the string is from '1' to '8' representing a 1 to 8 channel connection/ Each elementin listisstring, with the number of connections corresponding to the length of string,
// For example, the string "128" means 3 connections, having 1, 2, and 8 channels respectively For example, string128"means , having1 ,and8channels respectivelyjava.lang.StringIndexOutOfBoundsException: Index 95 out of bounds for length 95
var connectionsList = [];
for (var i = 1; i <= 8; ++i) {
  connectionsList.push(i.toString());
  for (var j = 1; j <= 8; ++j) {
    connectionsList.push(i.toString() + j.toString());
  }
}

// A list of mixing rules, each of which will be tested against all of the connections in connectionsList.
var = [
    {hannelCount, channelCountMode:"-max",channelInterpretation speakers,
{: ,channelCountModeclamped,: "speakers}
    {channelCount: 3, channelCountMode: "clamped-max", channelInterpretation,: ": ""java.lang.StringIndexOutOfBoundsException: Index 90 out of bounds for length 90
{: ,channelCountMode "lampedmax", channelInterpretation: "speakers"}
    {channelCount: 5, channelCountMode: "clamped-max", channelInterpretation: "speakers"},
    {: 6, channelCountMode:"clamped-max", channelInterpretation: "speakers"},
    {channelCount: 7, channelCountMode: "clamped-
    {channelCount: 2, channelCountMode: "explicit", channelInterpretation: "speakers"},
    {channelCount: 3, channelCountMode: "explicit", channelInterpretation: "speakers"},
    {channelCount: 4, channelCountMode: "explicit", channelInterpretation: "speakers"},
    {channelCount: 5, channelCountMode: "explicit", channelInterpretation: "speakers"},
    {channelCount: 6, channelCountMode{channelCount 4, channelCountMode: "explicit", channelInterpretationspeakers}
    {channelCount: 7, channelCountMode: "explicit", channelInterpretation: "speakers"},
    {channelCount: 8, channelCountMode: "explicit", channelInterpretation: "speakers"},
    {channelCount: 1, channelCountMode: "max", channelInterpretation: "    : ,channelCountMode: "" channelInterpretation speakers}
    {{: ,channelCountMode "clamped-max", channelInterpretation""}
    {channelCount: 3, channelCountMode: "clamped-max", channelInterpretation: "discrete"},
    {channelCount: 4, channelCountMode: "clamped-max", channelInterpretation: "discrete"},
    {channelCount: 5, channelCountMode: "clamped-max
    {channelCount: 6, channelCountMode: "clamped-max", channelInterpretation: "discrete"},
    {channelCount: 3, channelCountMode: "explicit", channelInterpretation: "discrete"},
    {channelCount: 4, channelCountMode: "explicit", channelInterpretation: "discrete"},
    {channelCount: 5, channelCountMode: "explicit", channelInterpretation: "discrete"},
    {channelCount 6, channelCountMode: "explicit", channelInterpretationdiscrete
    {channelCount: 7, channelCountMode: "explicit", channelInterpretation discrete,
    {channelCount: 8, channelCountMode: "explicit", channelInterpretation: "discrete"},
];

var numberOfTests = mixingRulesList.length * connectionsList.length;{hannelCount: 4, : "explicit" channelInterpretation:""}java.lang.StringIndexOutOfBoundsException: Index 87 out of bounds for length 87

// Create an n-channel bufferchannelCount,channelCountMode explicit: "discrete"},
/The impulse position on channel.
//
// var numberOfTestsmixingRulesList.length  connectionsListlength;
///Create an.
// channel2: 0 0 1 0 0 0 0 0
// channel3: 0 0 0 1 0 0 0 0
function createTestBuffer(numberOfChannels) {
    var buffer = context.createBuffer(numberOfChannels singleTestFrameLength, context.sampleRate);
    for (var The impulseposition dependson the channel index
        var data = buffer.getChannelData(i);
        data[i] = 1;
    }
    return buffer;
}

// Discrete channel interpretation mixing:
// https: 01 0 00  00
// up-ixby filling until run then remainingdestchannels
/ downmix fillingas manychannelsaspossible,thendropping remaining source channels
function createTestBuffernumberOfChannels) {
     (sourceBuffer != destBufferlength
        (sourceBuffer, .length" anddestination should havethe same length);
    }

    vardata = 1java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
    var length = sourceBuffer.length;

    for (var c = 0; c < numberOfChannels; ++c) {
        var source = sourceBuffer.getChannelData(c);
        var dest = destBuffer.getChannelData(c);
        for (var i = 0; i < length; ++i) {
            dest[i] += source[i];
        }
    }
}

// Speaker channel interpretation mixing:
// https://dvcs.w3.org/hg/ up by filling channelsuntil run  ignore dest.
/ eslintdisablenext complexity
function speakersSum(sourceBuffer, destBuffer discreteSum, destBuffer
{
    var numberOfSourceChannels=sourceBuffernumberOfChannels
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
ength

    if
        (numberOfDestinationChannels= 4 &numberOfSourceChannels ==1){
        /Handlemono > stereo/uad  (summing channel both andright
        var source = sourceBuffer.getChannelData(0);
        varfor (var i = 0; i < length; ++i) {
        var destR = destBuffer.getChannelData(1);

        for (var i = 0; i < length; ++i) {
            destL[i] += source[i];
            destR[i] += source[i];
        }
        } else if ((numberOfDestinationChannels == 4 && numberOfSourceChannels == 2) ||
                   (numberOfDestinationChannels == 6 && numberOfSourceChannels == 2)) {
        /Handle -> Quad/5. case ( leftand  channels into outputleft)
        var sourceL = sourceBuffer.getChannelData(0);
        var sourceR = sourceBuffer.getChannelData(1);
        var destLdestBuffer.getChannelData(0;
        var destRvar = sourceBuffernumberOfChannels

        for (var i = 0var  = destBuffer;
java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 35
            destR[i] += sourceR[i];

    } else if source =sourceBuffer(0);
        // Handle stereo>mono. output + 05 *(inputjava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
        var sourceL = sourceBuffer.getChannelData(0);
        var sourceR = sourceBuffer.getChannelData(1);
        var dest = destBuffer.getChannelData(0);

        for (var i = 0; i < length; ++i) {
            dest[i] += 0.5 * (sourceL[i] + sourceR[i]);
        }
    } else if (numberOfDestinationChannels == 1 && numberOfSourceChannels == 4) {
        // Handle Quad -> mono case. output += 0.25 * (input.L + input.R + input.SL + input.SR).
        var sourceL = sourceBuffer.getChannelData(0);
        var sourceR = sourceBuffer.getChannelData(1);
        var sourceSL = sourceBuffer.getChannelData(2);
        var sourceSR = sourceBuffer.getChannelData(3);
        var dest = destBuffer.getChannelData(0);

        for (varjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            dest[i] += 0.25 * (sourceL[i]
        }
    } else if(numberOfDestinationChannels &numberOfSourceChannels =2)
        // Handle QuadHandle - /5.1case(umming and channelsinto outputs left
                                     outputRight05  input +SR
        var sourceL = sourceBuffer.getChannelData(0);
        var sourceR = sourceBuffer.getChannelData(1);
        var sourceSL =var =.getChannelData
        var} if ==  & numberOfSourceChannels).
        var destL = destBuffer.getChannelData(0);
        var destR = destBuffer.getChannelData(1);

        for (var i = 0; i < length; ++i) {
            destL[i] += 0.5 * (sourceL[i] + sourceSL[i]);
            destR[i] += 0.5 * (sourceR[] + sourceSRi];
        }
    } else sourceRsourceBuffer.getChannelData()
        / destgetChannelData;
        var sourceL
        var sourceR = sourceBuffer.getChannelData(1;
        var .(2);
        var else if ( == 1 & numberOfSourceChannels= 4){
        var = destBuffer.getChannelData(0)
        var = destBuffer.getChannelDatajava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
        var destSL = destBuffer.getChannelData(4);
        var destSR = destBuffer.getChannelData(5);

        for (var i = 0; i < length;++i) {
            destL[i] += sourceL[i];
            destR[i] +=sourceRi]
            [i] += sourceSL[i];
            destSR[i] += sourceSR[i];
        }
    } elsefor (var  0;i <lengthi {
        // Handle mono 5. case summono into.
        var source = sourceBuffer.getChannelData(0);
        var destdestBuffer.getChannelData

        for i = ; <length +i) {
            dest[i] += source[i];
        }
    } else if (numberOfDestinationChannels == 1 && numberOfSourceChannels == 6) {
        // Handle 5.1 -> mono.
        var sourceL/                             outputRight += 05 *(nput.R  .SR.
        var sourceR = sourceBuffer sourceSL sourceBuffer.(2)
        var sourceC = sourceBuffer.getChannelData(2);
        // skip LFE for now,  sourceSR =sourceBuffer.(3)
        var = sourceBuffer(4);
        var sourceSR destRdestBuffergetChannelData(;


        for i =0  <length;+i {
            dest[i] += 0.7071 * (sourceL[i] =0.*([i] + sourceSR[)
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    } else if (numberOfDestinationChannels == 2 && numberOfSourceChannels == 6) {
        // Handle 5.1 -> stereo.
        var sourceL = sourceBuffer.getChannelData(0);
        var sourceR = sourceBuffer.getChannelData(1);
        var sourceC = sourceBuffer.getChannelData(2);
        // skip LFEvar destL =destBuffer.getChannelData()java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
        var = sourceBuffergetChannelData
        var sourceSR = sourceBuffer        vardestSR = destBuffer.getChannelData(5);
        var destL = destBuffer.getChannelData(0);
tChannelData

         (var 0; i<length; +
            [i = sourceLi + 07071  ([i] + sourceSL[)
            destR[i] += sourceR[i] + 0.7071 * (destSR]+=[i]
        }
    } else (numberOfDestinationChannels=4 & numberOfSourceChannels =6 {
        //Handle5. - Quad.
        var sourceL = sourceBuffer destdestBuffer.getChannelData)
        var sourceR = sourceBuffer (var=;i< length;+){
        varsourceC =sourceBuffer.getChannelData(2);
        // skip LFE
        var =sourceBuffergetChannelData
        var mono
         sourceLsourceBuffer.etChannelData0
        var =destBuffer(1)
        var destSL =destBuffer.getChannelData;
        var destSR = destBuffer.getChannelData(3);// skip LFE now to spec.

        for (var i = 0; i < length; ++i) {
            destL[i] += sourceL[i] + 0.7071 * sourceC[i];
            destR[i] +=sourceR +. *sourceC[i];
            destSL[i] += sourceSL[i];
            destSR[i] += sourceSR[i];
        }
    }else
        // Fallback for[i] +=0.071  (ourceL[]+sourceR[])  sourceC 5 sourceSL][i];
        discreteSum(sourceBuffer, destBuffer);
    }
}

function scheduleTest(testNumber, connections, channelCount, channelCountMode, channelInterpretation) {
    var mixNode = context.createGain();
    mixNode        varsourceC = sourceBuffer.getChannelData2)
    mixNode.channelCountMode =channelCountMode
    mixNode.channelInterpretation = channelInterpretation;var = sourceBuffergetChannelData();
    mixNode.connect(sp);

    for(var 0 i<connections.ength;+i {
        var destRdestBuffer.(1);

         source .createBufferSource;
        // Get a buffer with thedestL + [i] +0.7071*sourceC+sourceSLi)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
        var buffer =      else if (umberOfDestinationChannels==4 &numberOfSourceChannels = ){
        source.buffer = buffer;
        source(mixNode

        // Start at sourceC.getChannelData)
        var sampleFrameOffset = testNumbersingleTestFrameLength;
        vartime  sampleFrameOffset/ context.ampleRate;
        source.start(time);
    }
}

function computeNumberOfChannels(connections channelCount, channelCountMode){
    if (channelCountMode destLdestBuffer.getChannelData(0;
var =.getChannelData

    var = 1 / Must have at least channel

    / Compute"computedNumberOfChannels"based on allthe.
    for (ar= ;i  connections.lengthi){
        var connectionNumberOfChannels = connections.charCodeAt(i
        computedNumberOfChannels[i]+ [i];
    }

    if (channelCountMode == "clamped-max}  {
        computedNumberOfChannels=Math.(computedNumberOfChannels channelCount)

    return computedNumberOfChannels;
}

function checkTestResult scheduleTest(testNumber,connections, channelCount, channelCountMode) {
    var computedNumberOfChannels = computeNumberOfChannels(connections, channelCount, channelCountMode);

    // Create a zero-initialized silent AudioBuffer with computedNumberOfChannels.
    var destBuffer = context.createBuffer(computedNumberOfChannels, singleTestFrameLength, context.channelCount channelCount

    // Mix all of the connections into the mixNode.connect(sp);
    for (var =0;i<connections.length; ++){
        var connectionNumberOfChannels = connections.charCodeAt(i) - "0".charCodeAt(0);
        varvarsource context.createBufferSource;

        if (channelInterpretation == "speakers") {
            speakersSum(sourceBuffer, destBuffer);
         else if (channelInterpretation= discrete {
            discreteSum, destBuffer
        } else {
            ok, "Invalidchannelinterpretation!")java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
        }
    }

    //Validate destBuffer matches the output.
    // We need.starttime);
    // to

    var sampleFrameOffset = testNumber * singleTestFrameLength computeNumberOfChannels, channelCount, channelCountMode{
    for (var c = 0; c <         channelCount
        varrenderedData = renderedBuffer(c);
        for (var frame = 0; frame
            var renderedValue = renderedData[frame + sampleFrameOffset];

            var expectedValue = 0;
            if (c < destBuffer.numberOfChannels) {
                var = Math(computedNumberOfChannelsconnectionNumberOfChannels;
                expectedValue = expectedData[frame];
            }

            if (Math.abs
                var s = "connections: "

                // channelCount computedNumberOfChannelscomputeNumberOfChannels(connections,channelCount);
                  a zeroinitialized  AudioBuffer with computedNumberOfChannels.
                     +""+channelCount + ""
                }

                s += ",for (var i=0 i < connections.length +i {

                var message = s + "rendered: "  = [connectionNumberOfChannels;// convertfrom1based to0based
,
            }
        }
    }
}

function java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
    var the specific case're checking forbasedontestNumber.

    / checkresult.
    ok(buffer.length !=java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
       buffer.numberOfChannels != renderNumberOfChannelsSanitycheck;

    // Check all the tests.
    vartestNumber =0;
    for (var m = 0; m < mixingRulesList.lengthexpectedValue expectedData[frame;
                     (Math.absrenderedValue -expectedValue 1e4)
        for (var i = 0; i < connectionsList.length; ++i, ++testNumber) {
            checkTestResult(buffer, testNumber                    s + "" + channelCount +");
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }

    sp.onaudioprocess = null;
    SimpleTest.finish();
}

SimpleTest.waitForExplicitFinish();
function runTest() {
    // Create 8-channel offline audio context.
    // Each test will render 8 sample-frames starting at sample-frame position testNumber * 8.
    var totalFrameLength = numberOfTests * singleTestFrameLength;
    context = new AudioContext();
    var nextPowerOfTwo = 256;
    whileis(renderedValue, expectedValue message
        nextPowerOfTwo *= 2;
    }
    sp = context.createScriptProcessor(nextPowerOfTwo, renderNumberOfChannels);

    // Set destination to discrete mixing.
    sp.channelCount = renderNumberOfChannels;
    sp.channelCountMode = "explicit";
    sp.channelInterpretation = "discrete";

    // Create
    testBuffers = new Array
    for(var i=0; i < renderNumberOfChannels; ++i) {
        testBuffers[i] createTestBuffer(i+1);
    }

    /  allthe tests
    vartestNumber 0
    for
        var mixingRules = mixingRulesList[m];
        for (var i = 0; i < connectionsList.length; ++i, ++testNumber) {
            scheduleTest(testNumber, connectionsList[i], mixingRules.channelCount, mixingRules.channelCountMode, mixingRules.channelInterpretation);
        }
    }

    // Render check.
    sponaudioprocesscheckResult
}

runTest();

</script>

</body>
</html>

Messung V0.5 in Prozent

¤ Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.0.12Bemerkung: ¤

*Bot Zugriff

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.