First release

node_modules/mpd-parser/test/segment/segmentList.test.js

@@ -0,0 +1,553 @@
+import QUnit from 'qunit';
+import {
+  segmentsFromList
+} from '../../src/segment/segmentList';
+import errors from '../../src/errors';
+
+QUnit.module('segmentList - segmentsFromList');
+
+QUnit.test('uses segmentTimeline to set segments', function(assert) {
+  const inputAttributes = {
+    segmentUrls: [{
+      media: '1.fmp4'
+    }, {
+      media: '2.fmp4'
+    }, {
+      media: '3.fmp4'
+    }, {
+      media: '4.fmp4'
+    }, {
+      media: '5.fmp4'
+    }],
+    initialization: { sourceURL: 'init.fmp4' },
+    periodIndex: 0,
+    startNumber: 1,
+    baseUrl: 'http://example.com/'
+  };
+
+  const inputTimeline = [{
+    t: 1000,
+    d: 1000,
+    r: 4
+  }];
+
+  assert.deepEqual(segmentsFromList(inputAttributes, inputTimeline), [{
+    duration: 1000,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 1
+  }, {
+    duration: 1000,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/2.fmp4',
+    timeline: 0,
+    uri: '2.fmp4',
+    number: 2
+  }, {
+    duration: 1000,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/3.fmp4',
+    timeline: 0,
+    uri: '3.fmp4',
+    number: 3
+  }, {
+    duration: 1000,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/4.fmp4',
+    timeline: 0,
+    uri: '4.fmp4',
+    number: 4
+  }, {
+    duration: 1000,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/5.fmp4',
+    timeline: 0,
+    uri: '5.fmp4',
+    number: 5
+  }]);
+});
+
+QUnit.test(
+  'truncates if segmentTimeline does not apply for all segments',
+  function(assert) {
+    const inputAttributes = {
+      segmentUrls: [{
+        media: '1.fmp4'
+      }, {
+        media: '2.fmp4'
+      }, {
+        media: '3.fmp4'
+      }, {
+        media: '4.fmp4'
+      }, {
+        media: '5.fmp4'
+      }],
+      initialization: { sourceURL: 'init.fmp4' },
+      periodIndex: 0,
+      startNumber: 1,
+      baseUrl: 'http://example.com/'
+    };
+
+    const inputTimeline = [{
+      t: 1000,
+      d: 1000,
+      r: 1
+    }];
+
+    assert.deepEqual(segmentsFromList(inputAttributes, inputTimeline), [{
+      duration: 1000,
+      map: {
+        resolvedUri: 'http://example.com/init.fmp4',
+        uri: 'init.fmp4'
+      },
+      resolvedUri: 'http://example.com/1.fmp4',
+      timeline: 0,
+      uri: '1.fmp4',
+      number: 1
+    }, {
+      duration: 1000,
+      map: {
+        resolvedUri: 'http://example.com/init.fmp4',
+        uri: 'init.fmp4'
+      },
+      resolvedUri: 'http://example.com/2.fmp4',
+      timeline: 0,
+      uri: '2.fmp4',
+      number: 2
+    }]);
+  }
+);
+
+QUnit.test(
+  'if segment timeline is too long does not add extra blank segments',
+  function(assert) {
+    const inputAttributes = {
+      segmentUrls: [{
+        media: '1.fmp4'
+      }, {
+        media: '2.fmp4'
+      }, {
+        media: '3.fmp4'
+      }, {
+        media: '4.fmp4'
+      }, {
+        media: '5.fmp4'
+      }],
+      initialization: { sourceURL: 'init.fmp4' },
+      periodIndex: 0,
+      startNumber: 1,
+      baseUrl: 'http://example.com/'
+    };
+
+    const inputTimeline = [{
+      t: 1000,
+      d: 1000,
+      r: 10
+    }];
+
+    assert.deepEqual(segmentsFromList(inputAttributes, inputTimeline), [{
+      duration: 1000,
+      map: {
+        resolvedUri: 'http://example.com/init.fmp4',
+        uri: 'init.fmp4'
+      },
+      resolvedUri: 'http://example.com/1.fmp4',
+      timeline: 0,
+      uri: '1.fmp4',
+      number: 1
+    }, {
+      duration: 1000,
+      map: {
+        resolvedUri: 'http://example.com/init.fmp4',
+        uri: 'init.fmp4'
+      },
+      resolvedUri: 'http://example.com/2.fmp4',
+      timeline: 0,
+      uri: '2.fmp4',
+      number: 2
+    }, {
+      duration: 1000,
+      map: {
+        resolvedUri: 'http://example.com/init.fmp4',
+        uri: 'init.fmp4'
+      },
+      resolvedUri: 'http://example.com/3.fmp4',
+      timeline: 0,
+      uri: '3.fmp4',
+      number: 3
+    }, {
+      duration: 1000,
+      map: {
+        resolvedUri: 'http://example.com/init.fmp4',
+        uri: 'init.fmp4'
+      },
+      resolvedUri: 'http://example.com/4.fmp4',
+      timeline: 0,
+      uri: '4.fmp4',
+      number: 4
+    }, {
+      duration: 1000,
+      map: {
+        resolvedUri: 'http://example.com/init.fmp4',
+        uri: 'init.fmp4'
+      },
+      resolvedUri: 'http://example.com/5.fmp4',
+      timeline: 0,
+      uri: '5.fmp4',
+      number: 5
+    }]);
+  }
+);
+
+QUnit.test('uses duration to set segments', function(assert) {
+  const inputAttributes = {
+    segmentUrls: [{
+      media: '1.fmp4'
+    }, {
+      media: '2.fmp4'
+    }, {
+      media: '3.fmp4'
+    }, {
+      media: '4.fmp4'
+    }, {
+      media: '5.fmp4'
+    }],
+    initialization: { sourceURL: 'init.fmp4' },
+    duration: 10,
+    periodIndex: 0,
+    startNumber: 1,
+    sourceDuration: 50,
+    baseUrl: 'http://example.com/'
+  };
+
+  assert.deepEqual(segmentsFromList(inputAttributes), [{
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 1
+  }, {
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/2.fmp4',
+    timeline: 0,
+    uri: '2.fmp4',
+    number: 2
+  }, {
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/3.fmp4',
+    timeline: 0,
+    uri: '3.fmp4',
+    number: 3
+  }, {
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/4.fmp4',
+    timeline: 0,
+    uri: '4.fmp4',
+    number: 4
+  }, {
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/5.fmp4',
+    timeline: 0,
+    uri: '5.fmp4',
+    number: 5
+  }]);
+});
+
+QUnit.test('uses timescale to set segment duration', function(assert) {
+  const inputAttributes = {
+    segmentUrls: [{
+      media: '1.fmp4'
+    }, {
+      media: '2.fmp4'
+    }, {
+      media: '3.fmp4'
+    }, {
+      media: '4.fmp4'
+    }, {
+      media: '5.fmp4'
+    }],
+    initialization: { sourceURL: 'init.fmp4' },
+    duration: 10,
+    timescale: 2,
+    periodIndex: 0,
+    startNumber: 1,
+    sourceDuration: 25,
+    baseUrl: 'http://example.com/'
+  };
+
+  assert.deepEqual(segmentsFromList(inputAttributes), [{
+    duration: 5,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 1
+  }, {
+    duration: 5,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/2.fmp4',
+    timeline: 0,
+    uri: '2.fmp4',
+    number: 2
+  }, {
+    duration: 5,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/3.fmp4',
+    timeline: 0,
+    uri: '3.fmp4',
+    number: 3
+  }, {
+    duration: 5,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/4.fmp4',
+    timeline: 0,
+    uri: '4.fmp4',
+    number: 4
+  }, {
+    duration: 5,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/5.fmp4',
+    timeline: 0,
+    uri: '5.fmp4',
+    number: 5
+  }]);
+});
+
+QUnit.test('timescale sets duration of last segment correctly', function(assert) {
+  const inputAttributes = {
+    segmentUrls: [{
+      media: '1.fmp4'
+    }, {
+      media: '2.fmp4'
+    }],
+    initialization: { sourceURL: 'init.fmp4' },
+    duration: 10,
+    timescale: 1,
+    periodIndex: 0,
+    startNumber: 1,
+    sourceDuration: 15,
+    baseUrl: 'http://example.com/'
+  };
+
+  assert.deepEqual(segmentsFromList(inputAttributes), [{
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 1
+  }, {
+    duration: 5,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/2.fmp4',
+    timeline: 0,
+    uri: '2.fmp4',
+    number: 2
+  }]);
+});
+
+QUnit.test('segmentUrl translates ranges correctly', function(assert) {
+  const inputAttributes = {
+    segmentUrls: [{
+      media: '1.fmp4',
+      mediaRange: '0-200'
+    }, {
+      media: '1.fmp4',
+      mediaRange: '201-400'
+    }],
+    initialization: { sourceURL: 'init.fmp4' },
+    duration: 10,
+    timescale: 1,
+    periodIndex: 0,
+    startNumber: 1,
+    sourceDuration: 20,
+    baseUrl: 'http://example.com/'
+  };
+
+  assert.deepEqual(segmentsFromList(inputAttributes), [{
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    byterange: {
+      length: 201,
+      offset: 0
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 1
+  }, {
+    duration: 10,
+    byterange: {
+      length: 200,
+      offset: 201
+    },
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4'
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 2
+  }]);
+});
+
+QUnit.test(
+  'throws error if more than 1 segment and no duration or timeline',
+  function(assert) {
+    const inputAttributes = {
+      segmentUrls: [{
+        media: '1.fmp4'
+      }, {
+        media: '2.fmp4'
+      }],
+      duration: 10,
+      initialization: { sourceURL: 'init.fmp4' },
+      timescale: 1,
+      periodIndex: 0,
+      startNumber: 1,
+      sourceDuration: 20,
+      baseUrl: 'http://example.com/'
+    };
+
+    const inputTimeline = [{
+      t: 1000,
+      d: 1000,
+      r: 4
+    }];
+
+    assert.throws(
+      () => segmentsFromList(inputAttributes, inputTimeline),
+      new Error(errors.SEGMENT_TIME_UNSPECIFIED)
+    );
+  }
+);
+
+QUnit.test('throws error if timeline and duration are both defined', function(assert) {
+  const inputAttributes = {
+    segmentUrls: [{
+      media: '1.fmp4'
+    }, {
+      media: '2.fmp4'
+    }],
+    initialization: { sourceURL: 'init.fmp4' },
+    timescale: 1,
+    periodIndex: 0,
+    startNumber: 1,
+    sourceDuration: 20,
+    baseUrl: 'http://example.com/'
+  };
+
+  assert.throws(
+    () => segmentsFromList(inputAttributes),
+    new Error(errors.SEGMENT_TIME_UNSPECIFIED)
+  );
+});
+
+QUnit.test('translates ranges in <Initialization> node', function(assert) {
+  const inputAttributes = {
+    segmentUrls: [{
+      media: '1.fmp4'
+    }, {
+      media: '1.fmp4'
+    }],
+    initialization: { sourceURL: 'init.fmp4', range: '121-125' },
+    duration: 10,
+    timescale: 1,
+    periodIndex: 0,
+    startNumber: 1,
+    sourceDuration: 20,
+    baseUrl: 'http://example.com/'
+  };
+
+  assert.deepEqual(segmentsFromList(inputAttributes), [{
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4',
+      byterange: {
+        length: 5,
+        offset: 121
+      }
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 1
+  }, {
+    duration: 10,
+    map: {
+      resolvedUri: 'http://example.com/init.fmp4',
+      uri: 'init.fmp4',
+      byterange: {
+        length: 5,
+        offset: 121
+      }
+    },
+    resolvedUri: 'http://example.com/1.fmp4',
+    timeline: 0,
+    uri: '1.fmp4',
+    number: 2
+  }]);
+});