1 files changed, 237 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webcodecs/audio-encoder-config.https.any.js b/testing/web-platform/tests/webcodecs/audio-encoder-config.https.any.js
new file mode 100644
index 0000000000..52ff3dc16e
--- /dev/null
+++ b/testing/web-platform/tests/webcodecs/audio-encoder-config.https.any.js
@@ -0,0 +1,237 @@
+// META: global=window,dedicatedworker
+// META: script=/webcodecs/utils.js
+
+const invalidConfigs = [
+  {
+    comment: 'Emtpy codec',
+    config: {codec: ''},
+  },
+  {
+    comment: 'Unrecognized codec',
+    config: {codec: 'bogus'},
+  },
+  {
+    comment: 'Sample rate is too small',
+    config: {
+      codec: 'opus',
+      sampleRate: 100,
+      numberOfChannels: 2,
+    },
+  },
+  {
+    comment: 'Sample rate is too large',
+    config: {
+      codec: 'opus',
+      sampleRate: 1e6,
+      numberOfChannels: 2,
+    },
+  },
+  {
+    comment: 'Too few channels',
+    config: {
+      codec: 'opus',
+      sampleRate: 8000,
+      numberOfChannels: 0,
+    },
+  },
+  {
+    comment: 'Way too many channels',
+    config: {
+      codec: 'opus',
+      sampleRate: 8000,
+      numberOfChannels: 100,
+      bitrate: 128000
+    },
+  },
+  {
+    comment: 'Bit rate too big',
+    config:
+        {codec: 'opus', sampleRate: 8000, numberOfChannels: 2, bitrate: 6e9},
+  },
+  {
+    comment: 'Opus complexity too big',
+    config: {
+      codec: 'opus',
+      sampleRate: 8000,
+      numberOfChannels: 2,
+      opus: {
+        complexity: 11,
+      },
+    },
+  },
+  {
+    comment: 'Opus packetlossperc too big',
+    config: {
+      codec: 'opus',
+      sampleRate: 8000,
+      numberOfChannels: 2,
+      opus: {
+        packetlossperc: 101,
+      },
+    },
+  },
+  {
+    comment: 'Opus frame duration too small',
+    config: {
+      codec: 'opus',
+      sampleRate: 8000,
+      numberOfChannels: 2,
+      opus: {
+        frameDuration: 0,
+      },
+    },
+  },
+  {
+    comment: 'Opus frame duration too big',
+    config: {
+      codec: 'opus',
+      sampleRate: 8000,
+      numberOfChannels: 2,
+      opus: {
+        frameDuration: 122500,
+      },
+    },
+  },
+  {
+    comment: 'Invalid Opus frameDuration',
+    config: {
+      codec: 'opus',
+      sampleRate: 8000,
+      numberOfChannels: 2,
+      opus: {
+        frameDuration: 2501,
+      },
+    },
+  },
+];
+
+invalidConfigs.forEach(entry => {
+  promise_test(t => {
+    return promise_rejects_js(t, TypeError, AudioEncoder.isConfigSupported(entry.config));
+  }, 'Test that AudioEncoder.isConfigSupported() rejects invalid config:' + entry.comment);
+});
+
+const validButUnsupportedConfigs = [
+  {
+    comment: 'Too many channels',
+    config: {
+      codec: 'opus',
+      sampleRate: 48000,
+      numberOfChannels: 30,
+    },
+  },
+  {
+    comment: 'Bitrate is too low',
+    config: {
+      codec: 'opus',
+      sampleRate: 48000,
+      numberOfChannels: 2,
+      bitrate: 1
+    },
+  }
+];
+
+validButUnsupportedConfigs.forEach(entry => {
+  promise_test(async t => {
+    let support = await AudioEncoder.isConfigSupported(entry.config);
+    assert_false(support.supported);
+
+    let config = support.config;
+    assert_equals(config.codec, entry.config.codec);
+    assert_equals(config.sampleRate, entry.config.sampleRate);
+    assert_equals(config.numberOfChannels, entry.config.numberOfChannels);
+
+  }, "Test that AudioEncoder.isConfigSupported() doesn't support config:" + entry.comment);
+});
+
+const validConfigs = [
+  {
+    codec: 'opus',
+    sampleRate: 8000,
+    numberOfChannels: 1,
+  },
+  {
+    codec: 'opus',
+    sampleRate: 48000,
+    numberOfChannels: 2,
+  },
+  {
+    codec: 'opus',
+    sampleRate: 48000,
+    numberOfChannels: 2,
+    bitrate: 128000,
+    bogus: 123
+  },
+  {
+    codec: 'opus',
+    sampleRate: 48000,
+    numberOfChannels: 2,
+    opus: {
+      complexity: 5,
+      frameDuration: 20000,
+      packetlossperc: 10,
+      useinbandfec: true,
+    },
+  },
+  {
+    codec: 'opus',
+    sampleRate: 48000,
+    numberOfChannels: 2,
+    opus: {
+      format: 'opus',
+      complexity: 10,
+      frameDuration: 60000,
+      packetlossperc: 20,  // Irrelevant without useinbandfec, but still valid.
+      usedtx: true,
+      bogus: 456,
+    },
+  },
+  {
+    codec: 'opus',
+    sampleRate: 48000,
+    numberOfChannels: 2,
+    opus: {},  // Use default values.
+  },
+];
+
+validConfigs.forEach(config => {
+  promise_test(async t => {
+    let support = await AudioEncoder.isConfigSupported(config);
+    assert_true(support.supported);
+
+    let new_config = support.config;
+    assert_equals(new_config.codec, config.codec);
+    assert_equals(new_config.sampleRate, config.sampleRate);
+    assert_equals(new_config.numberOfChannels, config.numberOfChannels);
+    if (config.bitrate)
+      assert_equals(new_config.bitrate, config.bitrate);
+
+    if (config.opus) {
+      let opus_config = config.opus;
+      let new_opus_config = new_config.opus;
+
+      assert_equals(new_opus_config.format, opus_config.format ?? 'opus');
+      assert_equals(
+          new_opus_config.frameDuration, opus_config.frameDuration ?? 20000);
+      assert_equals(
+          new_opus_config.packetlossperc, opus_config.packetlossperc ?? 0);
+      assert_equals(
+          new_opus_config.useinbandfec, opus_config.useinbandfec ?? false);
+      assert_equals(new_opus_config.usedtx, opus_config.usedtx ?? false);
+      assert_false(new_opus_config.hasOwnProperty('bogus'));
+
+      if (opus_config.complexity) {
+        assert_equals(new_opus_config.complexity, opus_config.complexity);
+      } else {
+        // Default complexity is 5 for mobile/ARM platforms, and 9 otherwise.
+        assert_true(
+            new_opus_config.complexity == 5 || new_opus_config.complexity == 9);
+      }
+
+    } else {
+      assert_false(new_config.hasOwnProperty('opus'));
+    }
+
+    assert_false(new_config.hasOwnProperty('bogus'));
+  }, "AudioEncoder.isConfigSupported() supports:" + JSON.stringify(config));
+});