1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/channel-count-processor.js b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/channel-count-processor.js
new file mode 100644
index 0000000000..556459f46b
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/channel-count-processor.js
@@ -0,0 +1,19 @@
+/**
+ * @class ChannelCountProcessor
+ * @extends AudioWorkletProcessor
+ */
+class ChannelCountProcessor extends AudioWorkletProcessor {
+  constructor(options) {
+    super(options);
+  }
+
+  process(inputs, outputs) {
+    this.port.postMessage({
+      inputChannel: inputs[0].length,
+      outputChannel: outputs[0].length
+    });
+    return false;
+  }
+}
+
+registerProcessor('channel-count', ChannelCountProcessor);
+\ No newline at end of file