Fix a bug in FragmentListBuilder

Author: gkozlenko

lib/fragment-list-builder.js

@@ -10,7 +10,7 @@ class FragmentListBuilder {
     static build(movie, fragmentDuration) {
         let fragmentList = new FragmentList();
         fragmentList.fragmentDuration = fragmentDuration;
-        fragmentList.duration = movie.duration;
+        fragmentList.duration = movie.duration * FRAGMENT_TIMESCALE / movie.timescale;
         fragmentList.timescale = FRAGMENT_TIMESCALE;
         let videoTrack = movie.videoTrack();
         if (videoTrack) {
@@ -43,11 +43,11 @@ class FragmentListBuilder {
         let samples = movie.samples();
         let sample = null;
         let pos = 0;
-        let targetFragmentDuration = movie.timescale * fragmentDuration;
+        let targetFragmentDuration = fragmentList.timescale * fragmentDuration;
         for (let i = 0, l = samples.length; i < l; i++) {
             sample = samples[i];
             if (sample instanceof VideoSample && sample.keyframe) {
-                timestamp = movie.timescale * sample.relativeTimestamp();
+                timestamp = fragmentList.timescale * sample.relativeTimestamp();
                 duration = timestamp - timebase;
                 if (duration >= targetFragmentDuration) {
                     timebase = timestamp;
@@ -59,7 +59,7 @@ class FragmentListBuilder {
             }
         }
         if (pos < samples.length - 1) {
-            fragment.duration = duration;
+            fragment.duration = fragmentList.duration - timebase;
             fragment.samples = samples.slice(pos, samples.length);
         }
         return fragmentList;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-video-lib",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "description": "Node.js Video Library",
   "license": "MIT",
   "main": "index",
@@ -31,12 +31,12 @@
     "prepublish": "npm prune",
     "test": "mocha ./test/tests.js",
     "performance-test": "mocha ./test/performance-test.js",
-    "eslint": "eslint \"lib/**\""
+    "lint": "eslint \"lib/**\""
   },
   "devDependencies": {
     "chai": "^4.1.2",
-    "eslint": "^4.17.0",
+    "eslint": "^4.18.2",
     "faker": "^4.1.0",
-    "mocha": "^5.0.0"
+    "mocha": "^5.0.4"
   }
 }