Adding upstream version 1:115.7.0.upstream/1%115.7.0 upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 17:32:43 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 17:32:43 +0000
commit: 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
tree: a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface
parent: Initial commit. (diff)
download: thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
4 files changed, 399 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/ctor-gain.html b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/ctor-gain.html
new file mode 100644
index 0000000000..dec273e969
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/ctor-gain.html
@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      Test Constructor: Gain
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit-util.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+    <script src="/webaudio/resources/audionodeoptions.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let context;
+
+      let audit = Audit.createTaskRunner();
+
+      audit.define('initialize', (task, should) => {
+        context = initializeContext(should);
+        task.done();
+      });
+
+      audit.define('invalid constructor', (task, should) => {
+        testInvalidConstructor(should, 'GainNode', context);
+        task.done();
+      });
+
+      audit.define('default constructor', (task, should) => {
+        let prefix = 'node0';
+        let node = testDefaultConstructor(should, 'GainNode', context, {
+          prefix: prefix,
+          numberOfInputs: 1,
+          numberOfOutputs: 1,
+          channelCount: 2,
+          channelCountMode: 'max',
+          channelInterpretation: 'speakers'
+        });
+
+        testDefaultAttributes(should, node, prefix, [{name: 'gain', value: 1}]);
+
+        task.done();
+      });
+
+      audit.define('test AudioNodeOptions', (task, should) => {
+        testAudioNodeOptions(should, context, 'GainNode');
+        task.done();
+      });
+
+      audit.define('constructor with options', (task, should) => {
+        let node;
+        let options = {
+          gain: -2,
+        };
+
+        should(
+            () => {
+              node = new GainNode(context, options);
+            },
+            'node1 = new GainNode(c, ' + JSON.stringify(options) + ')')
+            .notThrow();
+        should(node instanceof GainNode, 'node1 instanceof GainNode')
+            .beEqualTo(true);
+
+        should(node.gain.value, 'node1.gain.value').beEqualTo(options.gain);
+
+        should(node.channelCount, 'node1.channelCount').beEqualTo(2);
+        should(node.channelCountMode, 'node1.channelCountMode')
+            .beEqualTo('max');
+        should(node.channelInterpretation, 'node1.channelInterpretation')
+            .beEqualTo('speakers');
+
+        task.done();
+      });
+
+      audit.run();
+    </script>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/gain-basic.html b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/gain-basic.html
new file mode 100644
index 0000000000..de2ba11a7f
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/gain-basic.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<!--
+Verifies GainNode attributes and their type.
+-->
+<html>
+  <head>
+    <title>
+      gain-basic.html
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit-util.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let audit = Audit.createTaskRunner();
+
+      audit.define('test', function(task, should) {
+        // Create audio context.
+        let context = new AudioContext();
+
+        // Create gain node.
+        let gainNode = context.createGain();
+
+        should(
+            gainNode.gain instanceof AudioParam,
+            'gainNode.gain instanceof AudioParam')
+            .beTrue();
+
+        task.done();
+      });
+
+      audit.run();
+    </script>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/gain.html b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/gain.html
new file mode 100644
index 0000000000..c41f4c9080
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/gain.html
@@ -0,0 +1,162 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      Basic GainNode Functionality
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit-util.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      // Tests that GainNode is properly scaling the gain.  We'll render 11
+      // notes, starting at a gain of 1.0, decreasing in gain by 0.1.  The 11th
+      // note will be of gain 0.0, so it should be silent (at the end in the
+      // rendered output).
+
+      let audit = Audit.createTaskRunner();
+
+      // Use a power of two to eliminate any round-off when converting frame to
+      // time.
+      let sampleRate = 32768;
+      // Make sure the buffer duration and spacing are all exact frame lengths
+      // so that the note spacing is also on frame boundaries to eliminate
+      // sub-sample accurate start of a ABSN.
+      let bufferDurationSeconds = Math.floor(0.125 * sampleRate) / sampleRate;
+      let numberOfNotes = 11;
+      // Leave about 20ms of silence, being sure this is an exact frame
+      // duration.
+      let noteSilence = Math.floor(0.020 * sampleRate) / sampleRate;
+      let noteSpacing = bufferDurationSeconds + noteSilence;
+
+      let lengthInSeconds = numberOfNotes * noteSpacing;
+
+      let context = 0;
+      let sinWaveBuffer = 0;
+
+      // Create a stereo AudioBuffer of duration |lengthInSeconds| consisting of
+      // a pure sine wave with the given |frequency|.  Both channels contain the
+      // same data.
+      function createSinWaveBuffer(lengthInSeconds, frequency) {
+        let audioBuffer =
+            context.createBuffer(2, lengthInSeconds * sampleRate, sampleRate);
+
+        let n = audioBuffer.length;
+        let channelL = audioBuffer.getChannelData(0);
+        let channelR = audioBuffer.getChannelData(1);
+
+        for (let i = 0; i < n; ++i) {
+          channelL[i] = Math.sin(frequency * 2.0 * Math.PI * i / sampleRate);
+          channelR[i] = channelL[i];
+        }
+
+        return audioBuffer;
+      }
+
+      function playNote(time, gain, merger) {
+        let source = context.createBufferSource();
+        source.buffer = sinWaveBuffer;
+
+        let gainNode = context.createGain();
+        gainNode.gain.value = gain;
+
+        let sourceSplitter = context.createChannelSplitter(2);
+        let gainSplitter = context.createChannelSplitter(2);
+
+        // Split the stereo channels from the source output and the gain output
+        // and merge them into the desired channels of the merger.
+        source.connect(gainNode).connect(gainSplitter);
+        source.connect(sourceSplitter);
+
+        gainSplitter.connect(merger, 0, 0);
+        gainSplitter.connect(merger, 1, 1);
+        sourceSplitter.connect(merger, 0, 2);
+        sourceSplitter.connect(merger, 1, 3);
+
+        source.start(time);
+      }
+
+      audit.define(
+          {label: 'create context', description: 'Create context for test'},
+          function(task, should) {
+            // Create offline audio context.
+            context = new OfflineAudioContext(
+                4, sampleRate * lengthInSeconds, sampleRate);
+            task.done();
+          });
+
+      audit.define(
+          {label: 'test', description: 'GainNode functionality'},
+          function(task, should) {
+            let merger = new ChannelMergerNode(
+                context, {numberOfInputs: context.destination.channelCount});
+            merger.connect(context.destination);
+
+            // Create a buffer for a short "note".
+            sinWaveBuffer = createSinWaveBuffer(bufferDurationSeconds, 880.0);
+
+            let startTimes = [];
+            let gainValues = [];
+
+            // Render 11 notes, starting at a gain of 1.0, decreasing in gain by
+            // 0.1. The last note will be of gain 0.0, so shouldn't be
+            // perceptible in the rendered output.
+            for (let i = 0; i < numberOfNotes; ++i) {
+              let time = i * noteSpacing;
+              let gain = 1.0 - i / (numberOfNotes - 1);
+              startTimes.push(time);
+              gainValues.push(gain);
+              playNote(time, gain, merger);
+            }
+
+            context.startRendering()
+                .then(buffer => {
+                  let actual0 = buffer.getChannelData(0);
+                  let actual1 = buffer.getChannelData(1);
+                  let reference0 = buffer.getChannelData(2);
+                  let reference1 = buffer.getChannelData(3);
+
+                  // It's ok to a frame too long since the sine pulses are
+                  // followed by silence.
+                  let bufferDurationFrames =
+                      Math.ceil(bufferDurationSeconds * context.sampleRate);
+
+                  // Apply the gains to the reference signal.
+                  for (let k = 0; k < startTimes.length; ++k) {
+                    // It's ok to be a frame early because the sine pulses are
+                    // preceded by silence.
+                    let startFrame =
+                        Math.floor(startTimes[k] * context.sampleRate);
+                    let gain = gainValues[k];
+                    for (let n = 0; n < bufferDurationFrames; ++n) {
+                      reference0[startFrame + n] *= gain;
+                      reference1[startFrame + n] *= gain;
+                    }
+                  }
+
+                  // Verify the channels are clsoe to the reference.
+                  should(actual0, 'Left output from gain node')
+                      .beCloseToArray(
+                          reference0, {relativeThreshold: 1.1877e-7});
+                  should(actual1, 'Right output from gain node')
+                      .beCloseToArray(
+                          reference1, {relativeThreshold: 1.1877e-7});
+
+                  // Test the SNR too for both channels.
+                  let snr0 = 10 * Math.log10(computeSNR(actual0, reference0));
+                  let snr1 = 10 * Math.log10(computeSNR(actual1, reference1));
+                  should(snr0, 'Left SNR (in dB)')
+                      .beGreaterThanOrEqualTo(148.71);
+                  should(snr1, 'Right SNR (in dB)')
+                      .beGreaterThanOrEqualTo(148.71);
+                })
+                .then(() => task.done());
+            ;
+          });
+
+      audit.run();
+    </script>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/no-dezippering.html b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/no-dezippering.html
new file mode 100644
index 0000000000..6326d00dfb
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface/no-dezippering.html
@@ -0,0 +1,121 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      Gain Dezippering Test: Dezippering Removed
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit-util.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let audit = Audit.createTaskRunner();
+
+      audit.define(
+          {label: 'test0', description: 'Dezippering of GainNode removed'},
+          (task, should) => {
+            // Only need a few frames to verify that dezippering has been
+            // removed from the GainNode.  Sample rate is pretty arbitrary.
+            let context = new OfflineAudioContext(1, 1024, 16000);
+
+            // Send a unit source to the gain node so we can measure the effect
+            // of the gain node.
+            let src = new ConstantSourceNode(context, {offset: 1});
+            let g = new GainNode(context, {gain: 1});
+            src.connect(g).connect(context.destination);
+
+            context.suspend(RENDER_QUANTUM_FRAMES / context.sampleRate)
+                .then(() => {
+                  g.gain.value = .5;
+                })
+                .then(() => context.resume());
+
+            src.start();
+
+            context.startRendering()
+                .then(audio => {
+                  let c = audio.getChannelData(0);
+
+                  // If dezippering has been removed, the gain output should
+                  // instantly jump at frame 128 to 0.5.
+                  should(c.slice(0, 128), 'output[0:127]').beConstantValueOf(1);
+                  should(c.slice(128), 'output[128:]').beConstantValueOf(0.5);
+                })
+                .then(() => task.done());
+          });
+
+      audit.define(
+          {
+            label: 'test2',
+            description: 'Compare value setter and setValueAtTime'
+          },
+          (task, should) => {
+            testWithAutomation(should, {prefix: ''}).then(() => task.done());
+          });
+
+      audit.define(
+          {label: 'test3', description: 'Automation effects'},
+          (task, should) => {
+            testWithAutomation(should, {
+              prefix: 'With modulation: ',
+              modulator: true
+            }).then(() => task.done());
+          });
+
+      audit.run();
+
+      function testWithAutomation(should, options) {
+        // Sample rate must be a power of two to eliminate round-off in
+        // computing the time at render quantum boundaries.
+        let context = new OfflineAudioContext(2, 1024, 16384);
+        let merger = new ChannelMergerNode(context, {numberOfChannels: 2});
+        merger.connect(context.destination);
+
+        let src = new OscillatorNode(context);
+        let gainTest = new GainNode(context);
+        let gainRef = new GainNode(context);
+
+        src.connect(gainTest).connect(merger, 0, 0);
+        src.connect(gainRef).connect(merger, 0, 1);
+
+        if (options.modulator) {
+          let mod = new OscillatorNode(context, {frequency: 1000});
+          let modGain = new GainNode(context);
+          mod.connect(modGain);
+          modGain.connect(gainTest.gain);
+          modGain.connect(gainRef.gain);
+          mod.start();
+        }
+
+        // Change the gains. Must do the change on a render boundary!
+        let changeTime = 3 * RENDER_QUANTUM_FRAMES / context.sampleRate;
+        let newGain = .3;
+
+        gainRef.gain.setValueAtTime(newGain, changeTime);
+        context.suspend(changeTime)
+            .then(() => gainTest.gain.value = newGain)
+            .then(() => context.resume());
+
+        src.start();
+
+        return context.startRendering().then(audio => {
+          let actual = audio.getChannelData(0);
+          let expected = audio.getChannelData(1);
+
+          // The values using the .value setter must be identical to the
+          // values using setValueAtTime.
+          let match = should(actual, options.prefix + '.value setter output')
+                          .beEqualToArray(expected);
+
+          should(
+              match,
+              options.prefix +
+                  '.value setter output matches setValueAtTime output')
+              .beTrue();
+        });
+      }
+    </script>
+  </body>
+</html>
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 17:32:43 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 17:32:43 +0000
commit	6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
tree	a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/webaudio/the-audio-api/the-gainnode-interface
parent	Initial commit. (diff)
download	thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip