feat: expose suggestPresentationDelay if the type is dynamic (#82)

src/parseAttributes.js

@@ -43,6 +43,32 @@ export const parsers = {
     return parseDuration(value);
   },
 
+  /**
+   * Specifies the suggested presentation delay. Format is a
+   * duration string as specified in ISO 8601
+   *
+   * @param {string} value
+   *        value of attribute as a string
+   * @return {number}
+   *         The duration in seconds
+   */
+  suggestedPresentationDelay(value) {
+    return parseDuration(value);
+  },
+
+  /**
+   * specifices the type of mpd. Can be either "static" or "dynamic"
+   *
+   * @param {string} value
+   *        value of attribute as a string
+   *
+   * @return {string}
+   *         The type as a string
+   */
+  type(value) {
+    return value;
+  },
+
   /**
    * Specifies the duration of the smallest time shifting buffer for any Representation
    * in the MPD. Format is a duration string as specified in ISO 8601

src/toM3u8.js

@@ -239,6 +239,8 @@ export const toM3u8 = (dashPlaylists, sidxMapping = {}) => {
   // grab all master attributes
   const {
     sourceDuration: duration,
+    type = 'static',
+    suggestedPresentationDelay,
     minimumUpdatePeriod = 0
   } = dashPlaylists[0].attributes;
 
@@ -270,6 +272,10 @@ export const toM3u8 = (dashPlaylists, sidxMapping = {}) => {
     minimumUpdatePeriod: minimumUpdatePeriod * 1000
   };
 
+  if (type === 'dynamic') {
+    master.suggestedPresentationDelay = suggestedPresentationDelay;
+  }
+
   if (audioPlaylists.length) {
     master.mediaGroups.AUDIO.audio = organizeAudioPlaylists(audioPlaylists, sidxMapping);
   }

test/index.test.js

@@ -6,6 +6,7 @@ import maatVttSegmentTemplate from './manifests/maat_vtt_segmentTemplate.mpd';
 import segmentBaseTemplate from './manifests/segmentBase.mpd';
 import segmentListTemplate from './manifests/segmentList.mpd';
 import multiperiod from './manifests/multiperiod.mpd';
+import multiperiodDynamic from './manifests/multiperiod-dynamic.mpd';
 import {
   parsedManifest as maatVttSegmentTemplateManifest
 } from './manifests/maat_vtt_segmentTemplate.js';
@@ -18,6 +19,9 @@ import {
 import {
   parsedManifest as multiperiodManifest
 } from './manifests/multiperiod.js';
+import {
+  parsedManifest as multiperiodDynamicManifest
+} from './manifests/multiperiod-dynamic.js';
 
 QUnit.module('mpd-parser');
 
@@ -45,6 +49,10 @@ QUnit.test('has parse', function(assert) {
   name: 'multiperiod',
   input: multiperiod,
   expected: multiperiodManifest
+}, {
+  name: 'multiperiod_dynamic',
+  input: multiperiodDynamic,
+  expected: multiperiodDynamicManifest
 }].forEach(({ name, input, expected }) => {
   QUnit.test(`${name} test manifest`, function(assert) {
     const actual = parse(input);