summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/webaudio/the-audio-api/processing-model
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/webaudio/the-audio-api/processing-model
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/processing-model')
-rw-r--r--testing/web-platform/tests/webaudio/the-audio-api/processing-model/cycle-without-delay.html36
-rw-r--r--testing/web-platform/tests/webaudio/the-audio-api/processing-model/delay-time-clamping.html43
-rw-r--r--testing/web-platform/tests/webaudio/the-audio-api/processing-model/feedback-delay-time.html42
3 files changed, 121 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/processing-model/cycle-without-delay.html b/testing/web-platform/tests/webaudio/the-audio-api/processing-model/cycle-without-delay.html
new file mode 100644
index 0000000000..cab0f6ca8e
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/processing-model/cycle-without-delay.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html class="a">
+ <head>
+ <title>Cycles without DelayNode in audio node graph</title>
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+ <script>
+ function doTest() {
+ var off = new OfflineAudioContext(1, 512, 48000);
+ var osc = new OscillatorNode(off);
+ var fb = new GainNode(off);
+ // zero delay feedback loop
+ osc.connect(fb).connect(fb).connect(off.destination);
+ osc.start(0);
+ return off.startRendering().then((b) => {
+ return Promise.resolve(b.getChannelData(0));
+ });
+ }
+
+ promise_test(() => {
+ return doTest().then(samples => {
+ var silent = true;
+ for (var i = 0; i < samples.length; i++) {
+ if (samples[i] != 0.0) {
+ silent = false;
+ break;
+ }
+ }
+ assert_true(silent);
+ });
+ }, 'Test that cycles that don\'t contain a DelayNode are muted');
+ </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/processing-model/delay-time-clamping.html b/testing/web-platform/tests/webaudio/the-audio-api/processing-model/delay-time-clamping.html
new file mode 100644
index 0000000000..fa010df3cd
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/processing-model/delay-time-clamping.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html class="a">
+ <head>
+ <title>Delay time clamping in cycles</title>
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+ <script>
+ function doTest() {
+ let off = new OfflineAudioContext(1, 512, 48000);
+ let b = new AudioBuffer({sampleRate: off.sampleRate, length: 1});
+ b.getChannelData(0)[0] = 1;
+ let impulse = new AudioBufferSourceNode(off, {buffer: b});
+ impulse.start(0);
+ // This delayTime of 64 samples MUST be clamped to 128 samples when
+ // in a cycle.
+ let delay = new DelayNode(off, {delayTime: 64 / 48000});
+ let fb = new GainNode(off);
+ impulse.connect(fb).connect(delay).connect(fb).connect(off.destination);
+ return off.startRendering().then((b) => {
+ return Promise.resolve(b.getChannelData(0));
+ })
+ }
+
+ promise_test(() => {
+ return doTest().then(samples => {
+ for (var i = 0; i < samples.length; i++) {
+ if ((i % 128) != 0) {
+ assert_equals(
+ samples[i], 0.0,
+ 'Non-silent audio found in between delayed impulses');
+ } else {
+ assert_equals(
+ samples[i], 1.0,
+ 'Silent audio found instead of a delayed impulse');
+ }
+ }
+ });
+ }, 'Test that a DelayNode allows a feedback loop of a single rendering quantum');
+ </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/processing-model/feedback-delay-time.html b/testing/web-platform/tests/webaudio/the-audio-api/processing-model/feedback-delay-time.html
new file mode 100644
index 0000000000..96c2eb0658
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/processing-model/feedback-delay-time.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html class="a">
+ <head>
+ <title>Feedback cycle with delay in audio node graph</title>
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+ <script>
+ function doTest() {
+ var off = new OfflineAudioContext(1, 512, 48000);
+ var b = off.createBuffer(1, 1, 48000);
+ b.getChannelData(0)[0] = 1;
+ var impulse = new AudioBufferSourceNode(off, {buffer: b});
+ impulse.start(0);
+ var delay = new DelayNode(off, {delayTime: 128 / 48000});
+ var fb = new GainNode(off);
+ impulse.connect(fb).connect(delay).connect(fb).connect(off.destination);
+ var samples;
+ return off.startRendering().then((b) => {
+ return Promise.resolve(b.getChannelData(0));
+ });
+ }
+
+ promise_test(() => {
+ return doTest().then(samples => {
+ for (var i = 0; i < samples.length; i++) {
+ if ((i % 128) != 0) {
+ assert_equals(
+ samples[i], 0.0,
+ 'Non-silent audio found in between delayed impulses');
+ } else {
+ assert_equals(
+ samples[i], 1.0,
+ 'Silent audio found instead of a delayed impulse');
+ }
+ }
+ });
+ }, 'Test that a DelayNode allows a feedback loop of a single rendering quantum');
+ </script>
+ </body>
+</html>