videojs-contrib-media-sources - npm Package Compare versions

Comparing version 4.4.8 to 4.5.0

CHANGELOG.md

@@ -5,2 +5,7 @@ CHANGELOG
 --------------------
+## 4.5.0 (2017-08-18)
+* fix duplicate caption processing [#156](https://github.com/videojs/videojs-contrib-media-sources/pull/156)
+* Support for multiple CEA608 tracks and HLS-provided track names [#140](https://github.com/videojs/videojs-contrib-media-sources/pull/140)
+
+--------------------
 ## 4.4.8 (2017-07-17)
@@ -7,0 +12,0 @@ * Fix processing segments when mediaSource is closed [#151](https://github.com/videojs/videojs-contrib-media-sources/pull/151)

es5/add-text-track-data.js

@@ -75,3 +75,5 @@ /**
     captionArray.forEach(function (caption) {
-      this.inbandTextTrack_.addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));
+      var track = caption.stream;
+
+      this.inbandTextTracks_[track].addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));
     }, sourceHandler);
@@ -78,0 +80,0 @@ }

es5/cleanup-text-tracks.js

@@ -35,5 +35,14 @@ /**
 var cleanupTextTracks = function cleanupTextTracks(player) {
-  removeExistingTrack(player, 'captions', 'cc1');
+  var tracks = player.remoteTextTracks() || [];
+
+  for (var i = tracks.length - 1; i >= 0; i--) {
+    var track = tracks[i];
+
+    if (track.kind === 'captions') {
+      player.removeRemoteTextTrack(track);
+    }
+  }
+
   removeExistingTrack(player, 'metadata', 'Timed Metadata');
 };
 exports.cleanupTextTracks = cleanupTextTracks;

es5/create-text-tracks-if-necessary.js

@@ -24,9 +24,28 @@ /**
   // create an in-band caption track if one is present in the segment
-  if (segment.captions && segment.captions.length && !sourceBuffer.inbandTextTrack_) {
-    (0, _cleanupTextTracks.removeExistingTrack)(player, 'captions', 'cc1');
-    sourceBuffer.inbandTextTrack_ = player.addRemoteTextTrack({
-      kind: 'captions',
-      label: 'cc1'
-    }, false).track;
-    player.tech_.trigger({ type: 'usage', name: 'hls-608' });
+  if (segment.captions && segment.captions.length) {
+    if (!sourceBuffer.inbandTextTracks_) {
+      sourceBuffer.inbandTextTracks_ = {};
+    }
+
+    for (var trackId in segment.captionStreams) {
+      if (!sourceBuffer.inbandTextTracks_[trackId]) {
+        player.tech_.trigger({ type: 'usage', name: 'hls-608' });
+        var track = player.textTracks().getTrackById(trackId);
+
+        if (track) {
+          // Resuse an existing track with a CC# id because this was
+          // very likely created by videojs-contrib-hls from information
+          // in the m3u8 for us to use
+          sourceBuffer.inbandTextTracks_[trackId] = track;
+        } else {
+          // Otherwise, create a track with the default `CC#` label and
+          // without a language
+          sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({
+            kind: 'captions',
+            id: trackId,
+            label: trackId
+          }, false).track;
+        }
+      }
+    }
   }
@@ -33,0 +52,0 @@

es5/flash-source-buffer.js

@@ -216,7 +216,16 @@ /**
       (0, _removeCuesFromTrack2['default'])(0, Infinity, _this.metadataTrack_);
-      (0, _removeCuesFromTrack2['default'])(0, Infinity, _this.inbandTextTrack_);
+      if (_this.inbandTextTracks_) {
+        for (var track in _this.inbandTextTracks_) {
+          (0, _removeCuesFromTrack2['default'])(0, Infinity, _this.inbandTextTracks_[track]);
+        }
+      }
     });
 
+    var onHlsReset = this.onHlsReset_.bind(this);
+
+    this.mediaSource_.player_.tech_.on('hls-reset', onHlsReset);
+
     this.mediaSource_.player_.tech_.hls.on('dispose', function () {
       _this.transmuxer_.terminate();
+      _this.mediaSource_.player_.tech_.off('hls-reset', onHlsReset);
     });
@@ -289,3 +298,7 @@ }
       (0, _removeCuesFromTrack2['default'])(start, end, this.metadataTrack_);
-      (0, _removeCuesFromTrack2['default'])(start, end, this.inbandTextTrack_);
+      if (this.inbandTextTracks_) {
+        for (var track in this.inbandTextTracks_) {
+          (0, _removeCuesFromTrack2['default'])(start, end, this.inbandTextTracks_[track]);
+        }
+      }
       this.trigger({ type: 'update' });
@@ -595,2 +608,7 @@ this.trigger({ type: 'updateend' });
     }
+  }, {
+    key: 'onHlsReset_',
+    value: function onHlsReset_() {
+      this.transmuxer_.postMessage({ action: 'resetCaptions' });
+    }
   }]);
@@ -597,0 +615,0 @@

es5/flash-transmuxer-worker.js

@@ -116,2 +116,7 @@ /**
     }
+  }, {
+    key: 'resetCaptions',
+    value: function resetCaptions() {
+      this.transmuxer.resetCaptions();
+    }
   }]);
@@ -118,0 +123,0 @@

es5/html-media-source.js

@@ -193,2 +193,10 @@ /**
 
+    this.onHlsReset_ = function () {
+      _this.sourceBuffers.forEach(function (sourceBuffer) {
+        if (sourceBuffer.transmuxer_) {
+          sourceBuffer.transmuxer_.postMessage({ action: 'resetCaptions' });
+        }
+      });
+    };
+
     // Re-emit MediaSource events on the polyfill
@@ -211,2 +219,4 @@ ['sourceopen', 'sourceclose', 'sourceended'].forEach(function (eventName) {
 
+      _this.player_.tech_.on('hls-reset', _this.onHlsReset_);
+
       if (_this.player_.audioTracks && _this.player_.audioTracks()) {
@@ -262,2 +272,3 @@ _this.player_.audioTracks().on('change', _this.updateActiveSourceBuffers_);
         this.player_.off('mediachange', this.onPlayerMediachange_);
+        this.player_.tech_.off('hls-reset', this.onHlsReset_);
       }
@@ -264,0 +275,0 @@ });

es5/transmuxer-worker.js

@@ -175,2 +175,7 @@ /**
     }
+  }, {
+    key: 'resetCaptions',
+    value: function resetCaptions() {
+      this.transmuxer.resetCaptions();
+    }
   }]);
@@ -177,0 +182,0 @@

es5/virtual-source-buffer.js

@@ -472,3 +472,7 @@ /**
       // Remove Any Captions
-      (0, _removeCuesFromTrack2['default'])(start, end, this.inbandTextTrack_);
+      if (this.inbandTextTracks_) {
+        for (var track in this.inbandTextTracks_) {
+          (0, _removeCuesFromTrack2['default'])(start, end, this.inbandTextTracks_[track]);
+        }
+      }
     }
@@ -475,0 +479,0 @@

package.json

 {
   "name": "videojs-contrib-media-sources",
-  "version": "4.4.8",
+  "version": "4.5.0",
   "description": "A Media Source Extensions plugin for video.js",
@@ -80,3 +80,3 @@ "main": "es5/videojs-contrib-media-sources.js",
     "global": "^4.3.0",
-    "mux.js": "4.1.5",
+    "mux.js": "4.2.0",
     "video.js": "^5.17.0",
@@ -83,0 +83,0 @@ "webworkify": "1.0.2"

src/add-text-track-data.js

@@ -67,3 +67,5 @@ /**
     captionArray.forEach(function(caption) {
-      this.inbandTextTrack_.addCue(
+      let track = caption.stream;
+
+      this.inbandTextTracks_[track].addCue(
         new Cue(
@@ -70,0 +72,0 @@ caption.startTime + this.timestampOffset,

src/cleanup-text-tracks.js

@@ -29,4 +29,13 @@ /**
 export const cleanupTextTracks = function(player) {
-  removeExistingTrack(player, 'captions', 'cc1');
+  const tracks = player.remoteTextTracks() || [];
+
+  for (let i = tracks.length - 1; i >= 0; i--) {
+    const track = tracks[i];
+
+    if (track.kind === 'captions') {
+      player.removeRemoteTextTrack(track);
+    }
+  }
+
   removeExistingTrack(player, 'metadata', 'Timed Metadata');
 };

src/create-text-tracks-if-necessary.js

@@ -19,10 +19,28 @@ /**
   if (segment.captions &&
-      segment.captions.length &&
-      !sourceBuffer.inbandTextTrack_) {
-    removeExistingTrack(player, 'captions', 'cc1');
-    sourceBuffer.inbandTextTrack_ = player.addRemoteTextTrack({
-      kind: 'captions',
-      label: 'cc1'
-    }, false).track;
-    player.tech_.trigger({type: 'usage', name: 'hls-608'});
+      segment.captions.length) {
+    if (!sourceBuffer.inbandTextTracks_) {
+      sourceBuffer.inbandTextTracks_ = {};
+    }
+
+    for (let trackId in segment.captionStreams) {
+      if (!sourceBuffer.inbandTextTracks_[trackId]) {
+        player.tech_.trigger({type: 'usage', name: 'hls-608'});
+        let track = player.textTracks().getTrackById(trackId);
+
+        if (track) {
+          // Resuse an existing track with a CC# id because this was
+          // very likely created by videojs-contrib-hls from information
+          // in the m3u8 for us to use
+          sourceBuffer.inbandTextTracks_[trackId] = track;
+        } else {
+          // Otherwise, create a track with the default `CC#` label and
+          // without a language
+          sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({
+            kind: 'captions',
+            id: trackId,
+            label: trackId
+          }, false).track;
+        }
+      }
+    }
   }
@@ -29,0 +47,0 @@

src/flash-source-buffer.js

@@ -182,7 +182,16 @@ /**
       removeCuesFromTrack(0, Infinity, this.metadataTrack_);
-      removeCuesFromTrack(0, Infinity, this.inbandTextTrack_);
+      if (this.inbandTextTracks_) {
+        for (let track in this.inbandTextTracks_) {
+          removeCuesFromTrack(0, Infinity, this.inbandTextTracks_[track]);
+        }
+      }
     });
 
+    let onHlsReset = this.onHlsReset_.bind(this);
+
+    this.mediaSource_.player_.tech_.on('hls-reset', onHlsReset);
+
     this.mediaSource_.player_.tech_.hls.on('dispose', () => {
       this.transmuxer_.terminate();
+      this.mediaSource_.player_.tech_.off('hls-reset', onHlsReset);
     });
@@ -249,3 +258,7 @@ }
     removeCuesFromTrack(start, end, this.metadataTrack_);
-    removeCuesFromTrack(start, end, this.inbandTextTrack_);
+    if (this.inbandTextTracks_) {
+      for (let track in this.inbandTextTracks_) {
+        removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);
+      }
+    }
     this.trigger({ type: 'update' });
@@ -544,2 +557,6 @@ this.trigger({ type: 'updateend' });
   }
+
+  onHlsReset_() {
+    this.transmuxer_.postMessage({action: 'resetCaptions'});
+  }
 }

src/flash-transmuxer-worker.js

@@ -79,2 +79,7 @@ /**
   }
+
+  resetCaptions() {
+    this.transmuxer.resetCaptions();
+  }
+
 }
@@ -81,0 +86,0 @@

src/html-media-source.js

@@ -162,2 +162,10 @@ /**
 
+    this.onHlsReset_ = () => {
+      this.sourceBuffers.forEach((sourceBuffer) => {
+        if (sourceBuffer.transmuxer_) {
+          sourceBuffer.transmuxer_.postMessage({action: 'resetCaptions'});
+        }
+      });
+    };
+
     // Re-emit MediaSource events on the polyfill
@@ -184,2 +192,4 @@ [
 
+      this.player_.tech_.on('hls-reset', this.onHlsReset_);
+
       if (this.player_.audioTracks && this.player_.audioTracks()) {
@@ -235,2 +245,3 @@ this.player_.audioTracks().on('change', this.updateActiveSourceBuffers_);
         this.player_.off('mediachange', this.onPlayerMediachange_);
+        this.player_.tech_.off('hls-reset', this.onHlsReset_);
       }
@@ -237,0 +248,0 @@ });

src/transmuxer-worker.js

@@ -135,2 +135,7 @@ /**
   }
+
+  resetCaptions() {
+    this.transmuxer.resetCaptions();
+  }
+
 }
@@ -137,0 +142,0 @@

src/virtual-source-buffer.js

@@ -424,3 +424,7 @@ /**
     // Remove Any Captions
-    removeCuesFromTrack(start, end, this.inbandTextTrack_);
+    if (this.inbandTextTracks_) {
+      for (let track in this.inbandTextTracks_) {
+        removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);
+      }
+    }
   }
@@ -427,0 +431,0 @@

test/add-text-track-data.test.js

@@ -18,3 +18,8 @@ import Qunit from 'qunit';
     this.sourceHandler = {
-      inbandTextTrack_: new MockTextTrack(),
+      inbandTextTracks_: {
+        CC1: new MockTextTrack(),
+        CC2: new MockTextTrack(),
+        CC3: new MockTextTrack(),
+        CC4: new MockTextTrack()
+      },
       metadataTrack_: new MockTextTrack(),
@@ -31,13 +36,32 @@ mediaSource_: {
   addTextTrackData(this.sourceHandler, [], []);
-  equal(this.sourceHandler.inbandTextTrack_.cues.length, 0, 'added no 608 cues');
+  equal(this.sourceHandler.inbandTextTracks_.CC1.cues.length, 0, 'added no 608 cues');
   equal(this.sourceHandler.metadataTrack_.cues.length, 0, 'added no metadata cues');
 });
 
-test('creates cues for 608 captions', function() {
+test('creates cues for 608 captions with "stream" property in ccX', function() {
   addTextTrackData(this.sourceHandler, [{
     startTime: 0,
     endTime: 1,
-    text: 'caption text'
+    text: 'CC1 text',
+    stream: 'CC1'
+  }, {
+    startTime: 0,
+    endTime: 1,
+    text: 'CC2 text',
+    stream: 'CC2'
+  }, {
+    startTime: 0,
+    endTime: 1,
+    text: 'CC3 text',
+    stream: 'CC3'
+  }, {
+    startTime: 0,
+    endTime: 1,
+    text: 'CC4 text',
+    stream: 'CC4'
   }], []);
-  equal(this.sourceHandler.inbandTextTrack_.cues.length, 1, 'added one 608 cues');
+  equal(this.sourceHandler.inbandTextTracks_.CC1.cues.length, 1, 'added one 608 cue to CC1');
+  equal(this.sourceHandler.inbandTextTracks_.CC2.cues.length, 1, 'added one 608 cue to CC2');
+  equal(this.sourceHandler.inbandTextTracks_.CC3.cues.length, 1, 'added one 608 cue to CC3');
+  equal(this.sourceHandler.inbandTextTracks_.CC4.cues.length, 1, 'added one 608 cue to CC4');
   equal(this.sourceHandler.metadataTrack_.cues.length, 0, 'added no metadata cues');
@@ -51,4 +75,4 @@ });
   }]);
-  equal(this.sourceHandler.inbandTextTrack_.cues.length, 0, 'added no 608 cues');
+  equal(this.sourceHandler.inbandTextTracks_.CC1.cues.length, 0, 'added no 608 cues');
   equal(this.sourceHandler.metadataTrack_.cues.length, 1, 'added one metadata cues');
 });

test/flash.test.js

@@ -72,2 +72,9 @@ import document from 'global/document';
 const createDataMessage = function(data, audioData, metadata, captions) {
+  let captionStreams = {};
+
+  if (captions) {
+    captions.forEach((caption) => {
+      captionStreams[caption.stream] = true;
+    });
+  }
   return {
@@ -86,3 +93,4 @@ data: {
         metadata,
-        captions
+        captions,
+        captionStreams
       }
@@ -1056,3 +1064,4 @@ }
     endTime: 3,
-    text: 'This is an in-band caption'
+    text: 'This is an in-band caption',
+    stream: 'CC1'
   }];
@@ -1074,2 +1083,7 @@
     },
+    textTracks() {
+      return {
+        getTrackById() {}
+      };
+    },
     remoteTextTracks() {
@@ -1076,0 +1090,0 @@ return addedTracks;

test/html.test.js

@@ -222,11 +222,13 @@ import document from 'global/document';
 
-  sourceBuffer.inbandTextTrack_ = {
-    removeCue(cue) {
-      removedCue.push(cue);
-      this.cues.splice(this.cues.indexOf(cue), 1);
-    },
-    cues: [
-      {startTime: 10, endTime: 20, text: 'delete me'},
-      {startTime: 0, endTime: 2, text: 'save me'}
-    ]
+  sourceBuffer.inbandTextTracks_ = {
+    CC1: {
+      removeCue(cue) {
+        removedCue.push(cue);
+        this.cues.splice(this.cues.indexOf(cue), 1);
+      },
+      cues: [
+        {startTime: 10, endTime: 20, text: 'delete me'},
+        {startTime: 0, endTime: 2, text: 'save me'}
+      ]
+    }
   };
@@ -248,3 +250,3 @@ mediaSource.videoBuffer_.remove = function(start, end) {
   QUnit.equal(
-    sourceBuffer.inbandTextTrack_.cues.length,
+    sourceBuffer.inbandTextTracks_.CC1.cues.length,
     1,
@@ -268,4 +270,6 @@ 'one cue remains after remove'
 
-  sourceBuffer.inbandTextTrack_ = {
-    cues: null
+  sourceBuffer.inbandTextTracks_ = {
+    CC1: {
+      cues: null
+    }
   };
@@ -284,3 +288,3 @@
   QUnit.equal(
-    sourceBuffer.inbandTextTrack_.cues,
+    sourceBuffer.inbandTextTracks_.CC1.cues,
     null,
@@ -301,11 +305,13 @@ 'cues are still null'
 
-  muxedBuffer.inbandTextTrack_ = {
-    removeCue(cue) {
-      removedCue.push(cue);
-      this.cues.splice(this.cues.indexOf(cue), 1);
-    },
-    cues: [
-      {startTime: 10, endTime: 20, text: 'delete me'},
-      {startTime: 0, endTime: 2, text: 'save me'}
-    ]
+  muxedBuffer.inbandTextTracks_ = {
+    CC1: {
+      removeCue(cue) {
+        removedCue.push(cue);
+        this.cues.splice(this.cues.indexOf(cue), 1);
+      },
+      cues: [
+        {startTime: 10, endTime: 20, text: 'delete me'},
+        {startTime: 0, endTime: 2, text: 'save me'}
+      ]
+    }
   };
@@ -326,3 +332,3 @@ mediaSource.videoBuffer_.remove = function(start, end) {
   QUnit.equal(removes, 1, 'called remove on only one source buffer');
-  QUnit.equal(muxedBuffer.inbandTextTrack_.cues.length,
+  QUnit.equal(muxedBuffer.inbandTextTracks_.CC1.cues.length,
               1,
@@ -1059,2 +1065,7 @@ 'one cue remains after remove');
     },
+    textTracks() {
+      return {
+        getTrackById() {}
+      };
+    },
     remoteTextTracks() {
@@ -1074,7 +1085,9 @@ },
       endTime: 3,
-      text: 'This is an in-band caption'
-    }]
+      text: 'This is an in-band caption in CC1',
+      stream: 'CC1'
+    }],
+    captionStreams: {CC1: true}
   }));
   sourceBuffer.transmuxer_.onmessage(doneMessage);
-  let cues = sourceBuffer.inbandTextTrack_.cues;
+  let cues = sourceBuffer.inbandTextTracks_.CC1.cues;
 
@@ -1085,3 +1098,3 @@ QUnit.equal(hls608, 1, 'one hls-608 event was triggered');
   QUnit.equal(cues.length, 1, 'created one cue');
-  QUnit.equal(cues[0].text, 'This is an in-band caption', 'included the text');
+  QUnit.equal(cues[0].text, 'This is an in-band caption in CC1', 'included the text');
   QUnit.equal(cues[0].startTime, 11, 'started at eleven');
@@ -1091,2 +1104,69 @@ QUnit.equal(cues[0].endTime, 13, 'ended at thirteen');
 
+QUnit.test('captions use existing tracks with id equal to CC#', function() {
+  let mediaSource = new videojs.MediaSource();
+  let sourceBuffer = mediaSource.addSourceBuffer('video/mp2t');
+  let addTrackCalled = 0;
+  let tracks = {
+    CC1: {
+      kind: 'captions',
+      label: 'CC1',
+      id: 'CC1',
+      cues: [],
+      addCue(cue) {
+        this.cues.push(cue);
+      }
+    },
+    CC2: {
+      kind: 'captions',
+      label: 'CC2',
+      id: 'CC2',
+      cues: [],
+      addCue(cue) {
+        this.cues.push(cue);
+      }
+    }
+  };
+
+  mediaSource.player_ = {
+    addRemoteTextTrack(options) {
+      addTrackCalled++;
+    },
+    textTracks() {
+      return {
+        getTrackById(id) {
+          return tracks[id];
+        }
+      };
+    },
+    remoteTextTracks() {
+    },
+    tech_: new videojs.EventTarget()
+  };
+  sourceBuffer.timestampOffset = 10;
+  sourceBuffer.transmuxer_.onmessage(createDataMessage('video', new Uint8Array(1), {
+    captions: [{
+      stream: 'CC1',
+      startTime: 1,
+      endTime: 3,
+      text: 'This is an in-band caption in CC1'
+    }, {
+      stream: 'CC2',
+      startTime: 1,
+      endTime: 3,
+      text: 'This is an in-band caption in CC2'
+    }],
+    captionStreams: {CC1: true, CC2: true}
+  }));
+
+  sourceBuffer.transmuxer_.onmessage(doneMessage);
+  let cues = sourceBuffer.inbandTextTracks_.CC1.cues;
+
+  QUnit.equal(addTrackCalled, 0, 'no tracks were created');
+  QUnit.equal(tracks.CC1.cues.length, 1, 'CC1 contains 1 cue');
+  QUnit.equal(tracks.CC2.cues.length, 1, 'CC2 contains 1 cue');
+
+  QUnit.equal(tracks.CC1.cues[0].text, 'This is an in-band caption in CC1', 'CC1 contains the right cue');
+  QUnit.equal(tracks.CC2.cues[0].text, 'This is an in-band caption in CC2', 'CC2 contains the right cue');
+});
+
 QUnit.test('translates metadata events into WebVTT cues', function() {
@@ -1173,5 +1253,2 @@ let mediaSource = new videojs.MediaSource();
     label: 'Timed Metadata'
-  }, {
-    kind: 'captions',
-    label: 'cc1'
   }];
@@ -1207,2 +1284,7 @@ let removedTracks = [];
     },
+    textTracks() {
+      return {
+        getTrackById() {}
+      };
+    },
     remoteTextTracks() {
@@ -1223,8 +1305,10 @@ return addedTracks;
       endTime: 3,
-      text: 'This is an in-band caption'
-    }]
+      text: 'This is an in-band caption',
+      stream: 'CC1'
+    }],
+    captionStreams: {CC1: true}
   }));
   sourceBuffer.transmuxer_.onmessage(doneMessage);
 
-  QUnit.equal(removedTracks.length, 2, 'removed two text tracks');
+  QUnit.equal(removedTracks.length, 1, 'removed one text tracks');
   QUnit.equal(removedTracks.filter(t => ['captions', 'metadata'].indexOf(t.kind) === -1).length,
@@ -1277,2 +1361,7 @@ 0,
     },
+    textTracks() {
+      return {
+        getTrackById() {}
+      };
+    },
     remoteTextTracks() {
@@ -1292,4 +1381,6 @@ return addedTracks;
       endTime: 3,
-      text: 'This is an in-band caption'
-    }]
+      text: 'This is an in-band caption',
+      stream: 'CC1'
+    }],
+    captionStreams: {CC1: true}
   }));
@@ -1296,0 +1387,0 @@ sourceBuffer.transmuxer_.onmessage(doneMessage);

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Improved metrics

Total package byte prevSize

4639071

increased by37.97%

Number of package files

97

increased by86.54%

Lines of code

85966

increased by3.28%

Dependency changes

• + Addedmux.js@4.2.0(transitive)

• - Removedmux.js@4.1.5(transitive)

• Updatedmux.js@4.2.0