test: Add error listener & ec3 test in codec switching integration test

karma.conf.js

@@ -234,6 +234,7 @@ module.exports = (config) => {
       {pattern: 'test/**/*.js', included: false},
       {pattern: 'test/test/assets/*', included: false},
       {pattern: 'test/test/assets/dash-multi-codec/*', included: false},
+      {pattern: 'test/test/assets/dash-multi-codec-ec3/*', included: false},
       {pattern: 'test/test/assets/3675/*', included: false},
       {pattern: 'test/test/assets/6339/*', included: false},
       {pattern: 'test/test/assets/dash-aes-128/*', included: false},

lib/util/platform.js

@@ -186,6 +186,17 @@ shaka.util.Platform = class {
     return shaka.util.Platform.userAgentContains_('CrKey');
   }
 
+  /**
+   * Check if the current platform is a Google Chromecast with Android
+   * (i.e. Chromecast with GoogleTV).
+   *
+   * @return {boolean}
+   */
+  static isAndroidCastDevice() {
+    const Platform = shaka.util.Platform;
+    return Platform.isChromecast() && Platform.isAndroid();
+  }
+
   /**
    * Returns a major version number for Chrome, or Chromium-based browsers.
    *
@@ -562,6 +573,10 @@ shaka.util.Platform = class {
         Platform.isWebOS4() || Platform.isWebOS5()) {
       return false;
     }
+    // Older chromecasts without GoogleTV seem to not support SMOOTH properly.
+    if (Platform.isChromecast() && !Platform.isAndroidCastDevice()) {
+      return false;
+    }
     // See: https://chromium-review.googlesource.com/c/chromium/src/+/4577759
     if (Platform.isWindows() && Platform.isEdge()) {
       return false;

test/codec_switching/codec_switching_integration.js

@@ -5,6 +5,8 @@
  */
 
 describe('Codec Switching', () => {
+  const Util = shaka.test.Util;
+
   /** @type {!HTMLVideoElement} */
   let video;
   /** @type {shaka.Player} */
@@ -17,6 +19,21 @@ describe('Codec Switching', () => {
   /** @type {!shaka.test.Waiter} */
   let waiter;
 
+  function isEc3Supported() {
+    if (!MediaSource.isTypeSupported('audio/mp4; codecs="ec-3"')) {
+      return false;
+    }
+    // It seems that EC3 on Edge Windows from github actions is not working
+    // (in the lab EC3 is working). The EC3 detection is currently hard-coded
+    // to true, which leads to a failure in GitHub's environment.
+    // We must enable this, once it is resolved:
+    // https://bugs.chromium.org/p/chromium/issues/detail?id=1450313
+    if (shaka.util.Platform.isWindows() && shaka.util.Platform.isEdge()) {
+      return false;
+    }
+    return true;
+  }
+
   beforeAll(async () => {
     video = shaka.test.UiUtils.createVideoElement();
     document.body.appendChild(video);
@@ -29,15 +46,24 @@ describe('Codec Switching', () => {
     player = new compiledShaka.Player();
     await player.attach(video);
 
+    // Disable allow MediaSource recoveries, which can interfere with playback
+    // tests.
+    player.configure('streaming.allowMediaSourceRecoveries', false);
+
     // Disable stall detection, which can interfere with playback tests.
     player.configure('streaming.stallEnabled', false);
 
     eventManager = new shaka.util.EventManager();
     waiter = new shaka.test.Waiter(eventManager);
     waiter.setPlayer(player);
+
+    const onErrorSpy = jasmine.createSpy('onError');
+    onErrorSpy.and.callFake((event) => fail(event.detail));
+    eventManager.listen(player, 'error', Util.spyFunc(onErrorSpy));
   });
 
   afterEach(async () => {
+    await player.unload();
     eventManager.release();
     await player.destroy();
   });
@@ -46,7 +72,7 @@ describe('Codec Switching', () => {
     document.body.removeChild(video);
   });
 
-  describe('for audio and only-audio content', () => {
+  describe('for audio and only-audio content aac -> opus', () => {
     it('can switch codecs RELOAD', async () => {
       if (!MediaSource.isTypeSupported('audio/webm; codecs="opus"')) {
         pending('Codec OPUS in WEBM is not supported by the platform.');
@@ -77,8 +103,6 @@ describe('Codec Switching', () => {
       variants = player.getVariantTracks();
 
       expect(variants.find((v) => !!v.active).language).toBe('es');
-
-      await player.unload();
     });
 
     it('can switch codecs SMOOTH', async () => {
@@ -115,12 +139,10 @@ describe('Codec Switching', () => {
       variants = player.getVariantTracks();
 
       expect(variants.find((v) => !!v.active).language).toBe('es');
-
-      await player.unload();
     });
   });
 
-  describe('for audio', () => {
+  describe('for audio opus -> aac', () => {
     it('can switch codecs RELOAD', async () => {
       if (!MediaSource.isTypeSupported('audio/webm; codecs="opus"')) {
         pending('Codec OPUS in WEBM is not supported by the platform.');
@@ -150,8 +172,6 @@ describe('Codec Switching', () => {
       variants = player.getVariantTracks();
 
       expect(variants.find((v) => !!v.active).language).toBe('es');
-
-      await player.unload();
     });
 
     it('can switch codecs SMOOTH', async () => {
@@ -187,8 +207,146 @@ describe('Codec Switching', () => {
       variants = player.getVariantTracks();
 
       expect(variants.find((v) => !!v.active).language).toBe('es');
+    });
+  });
+
+  describe('for audio aac -> ec3', () => {
+    it('can switch codecs RELOAD', async () => {
+      if (!isEc3Supported()) {
+        pending('Codec EC3 in MP4 is not supported by the platform.');
+      }
+
+      // English is AAC MP4.
+      const preferredAudioLanguage = 'en';
+      player.configure({preferredAudioLanguage: preferredAudioLanguage});
+      player.configure('mediaSource.codecSwitchingStrategy',
+          shaka.config.CodecSwitchingStrategy.RELOAD);
+
+      await player.load(
+          '/base/test/test/assets/dash-multi-codec-ec3/dash.mpd', 1);
+      await video.play();
+      await waiter.waitForMovementOrFailOnTimeout(video, 10);
+
+      expect(player.isLive()).toBe(false);
+
+      let variants = player.getVariantTracks();
+
+      expect(variants.length).toBe(2);
+      expect(variants.find((v) => !!v.active).language).toBe('en');
+
+      // Spanish is EC3.
+      player.selectAudioLanguage('es');
+      await waiter.waitUntilPlayheadReachesOrFailOnTimeout(video, 2, 45);
+
+      variants = player.getVariantTracks();
+
+      expect(variants.find((v) => !!v.active).language).toBe('es');
+    });
+
+    it('can switch codecs SMOOTH', async () => {
+      if (!shaka.util.Platform.supportsSmoothCodecSwitching()) {
+        pending('Mediasource.ChangeType is not considered ' +
+          'reliable on this device');
+      }
+      if (!isEc3Supported()) {
+        pending('Codec EC3 in MP4 is not supported by the platform.');
+      }
+
+      // English is AAC MP4.
+      const preferredAudioLanguage = 'en';
+      player.configure({preferredAudioLanguage: preferredAudioLanguage});
+      player.configure('mediaSource.codecSwitchingStrategy',
+          shaka.config.CodecSwitchingStrategy.SMOOTH);
+
+      await player.load(
+          '/base/test/test/assets/dash-multi-codec-ec3/dash.mpd', 1);
+      await video.play();
+      await waiter.waitForMovementOrFailOnTimeout(video, 10);
+
+      expect(player.isLive()).toBe(false);
+
+      let variants = player.getVariantTracks();
+
+      expect(variants.length).toBe(2);
+      expect(variants.find((v) => !!v.active).language).toBe('en');
+
+      // Spanish is EC3.
+      player.selectAudioLanguage('es');
+      await waiter.waitUntilPlayheadReachesOrFailOnTimeout(video, 2, 45);
+
+      variants = player.getVariantTracks();
+
+      expect(variants.find((v) => !!v.active).language).toBe('es');
+    });
+  });
+
+  describe('for audio ec3 -> aac', () => {
+    it('can switch codecs RELOAD', async () => {
+      if (!isEc3Supported()) {
+        pending('Codec EC3 in MP4 is not supported by the platform.');
+      }
+
+      // Spanish is EC3.
+      const preferredAudioLanguage = 'es';
+      player.configure({preferredAudioLanguage: preferredAudioLanguage});
+      player.configure('mediaSource.codecSwitchingStrategy',
+          shaka.config.CodecSwitchingStrategy.RELOAD);
+
+      await player.load(
+          '/base/test/test/assets/dash-multi-codec-ec3/dash.mpd', 1);
+      await video.play();
+      await waiter.waitForMovementOrFailOnTimeout(video, 10);
+
+      expect(player.isLive()).toBe(false);
+
+      let variants = player.getVariantTracks();
+
+      expect(variants.length).toBe(2);
+      expect(variants.find((v) => !!v.active).language).toBe('es');
+
+      // English is AAC MP4.
+      player.selectAudioLanguage('en');
+      await waiter.waitUntilPlayheadReachesOrFailOnTimeout(video, 2, 45);
+
+      variants = player.getVariantTracks();
+
+      expect(variants.find((v) => !!v.active).language).toBe('en');
+    });
+
+    it('can switch codecs SMOOTH', async () => {
+      if (!shaka.util.Platform.supportsSmoothCodecSwitching()) {
+        pending('Mediasource.ChangeType is not considered ' +
+          'reliable on this device');
+      }
+      if (!isEc3Supported()) {
+        pending('Codec EC3 in MP4 is not supported by the platform.');
+      }
+
+      // Spanish is EC3.
+      const preferredAudioLanguage = 'es';
+      player.configure({preferredAudioLanguage: preferredAudioLanguage});
+      player.configure('mediaSource.codecSwitchingStrategy',
+          shaka.config.CodecSwitchingStrategy.SMOOTH);
+
+      await player.load(
+          '/base/test/test/assets/dash-multi-codec-ec3/dash.mpd', 1);
+      await video.play();
+      await waiter.waitForMovementOrFailOnTimeout(video, 10);
+
+      expect(player.isLive()).toBe(false);
+
+      let variants = player.getVariantTracks();
+
+      expect(variants.length).toBe(2);
+      expect(variants.find((v) => !!v.active).language).toBe('es');
+
+      // English is AAC MP4.
+      player.selectAudioLanguage('en');
+      await waiter.waitUntilPlayheadReachesOrFailOnTimeout(video, 2, 45);
 
-      await player.unload();
+      variants = player.getVariantTracks();
+
+      expect(variants.find((v) => !!v.active).language).toBe('en');
     });
   });
 });

test/test/assets/dash-multi-codec-ec3/dash.mpd

@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<!-- Generated Fri Nov 11 14:05:52 2016 by Dolby Media Generator (built 15:30:29 Oct 11 2016) -->
+<MPD xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:dolby="http://www.dolby.com/ns/online/DASH"
+  xmlns="urn:mpeg:dash:schema:mpd:2011" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011" type="static" mediaPresentationDuration="PT0H1M11.880S" minBufferTime="PT1.2S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011">
+  <Period>
+    <!-- Audio -->
+    <AdaptationSet mimeType="audio/mp4" lang="es" subsegmentAlignment="true" subsegmentStartsWithSAP="1">
+      <Accessibility schemeIdUri="urn:tva:metadata:cs:AudioPurposeCS:2007" value="6"/>
+      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
+      <Representation id="2" codecs="ec-3" bandwidth="256000" audioSamplingRate="48000">
+        <AudioChannelConfiguration schemeIdUri="tag:dolby.com,2014:dash:audio_channel_configuration:2011" value="F801"/>
+        <BaseURL>ChID_voices_6ch_256kbps_ddp.mp4</BaseURL>
+        <SegmentBase indexRange="603-1078">
+          <Initialization range="0-602"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <!-- Audio -->
+    <AdaptationSet mimeType="audio/mp4" lang="en" subsegmentAlignment="true" subsegmentStartsWithSAP="1">
+      <Accessibility schemeIdUri="urn:tva:metadata:cs:AudioPurposeCS:2007" value="6"/>
+      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="alternate" />
+      <Representation id="3" codecs="mp4a.40.2" bandwidth="640431" audioSamplingRate="48000">
+        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="6"/>
+        <BaseURL>ChID_voices_6ch_640kbps_aac.mp4</BaseURL>
+        <SegmentBase indexRange="652-1127">
+          <Initialization range="0-651"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>