From b2fff4c33f45c8e61bbe1f6549e69ef46ef8b2fa Mon Sep 17 00:00:00 2001
From: Sam Potts <sam@potts.es>
Date: Mon, 15 Apr 2019 22:08:09 +1000
Subject: Increase speed limits

---
 src/js/plyr.js | 52 ++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 40 insertions(+), 12 deletions(-)

(limited to 'src/js/plyr.js')

diff --git a/src/js/plyr.js b/src/js/plyr.js
index d67fae83..be1cba4b 100644
--- a/src/js/plyr.js
+++ b/src/js/plyr.js
@@ -25,6 +25,7 @@ import { createElement, hasClass, removeElement, replaceElement, toggleClass, wr
 import { off, on, once, triggerEvent, unbindListeners } from './utils/events';
 import is from './utils/is';
 import loadSprite from './utils/loadSprite';
+import { clamp } from './utils/numbers';
 import { cloneDeep, extend } from './utils/objects';
 import { getAspectRatio, reduceAspectRatio, setAspectRatio, validateRatio } from './utils/style';
 import { parseUrl } from './utils/urls';
@@ -661,18 +662,9 @@ class Plyr {
             speed = this.config.speed.selected;
         }
 
-        // Set min/max
-        if (speed < 0.1) {
-            speed = 0.1;
-        }
-        if (speed > 2.0) {
-            speed = 2.0;
-        }
-
-        if (!this.config.speed.options.includes(speed)) {
-            this.debug.warn(`Unsupported speed (${speed})`);
-            return;
-        }
+        // Clamp to min/max
+        const { minimumSpeed: min, maximumSpeed: max } = this;
+        speed = clamp(speed, min, max);
 
         // Update config
         this.config.speed.selected = speed;
@@ -690,6 +682,42 @@ class Plyr {
         return Number(this.media.playbackRate);
     }
 
+    /**
+     * Get the minimum allowed speed
+     */
+    get minimumSpeed() {
+        if (this.isYouTube) {
+            // https://developers.google.com/youtube/iframe_api_reference#setPlaybackRate
+            return Math.min(...this.options.speed);
+        }
+
+        if (this.isVimeo) {
+            // https://github.com/vimeo/player.js/#setplaybackrateplaybackrate-number-promisenumber-rangeerrorerror
+            return 0.5;
+        }
+
+        // https://stackoverflow.com/a/32320020/1191319
+        return 0.0625;
+    }
+
+    /**
+     * Get the maximum allowed speed
+     */
+    get maximumSpeed() {
+        if (this.isYouTube) {
+            // https://developers.google.com/youtube/iframe_api_reference#setPlaybackRate
+            return Math.max(...this.options.speed);
+        }
+
+        if (this.isVimeo) {
+            // https://github.com/vimeo/player.js/#setplaybackrateplaybackrate-number-promisenumber-rangeerrorerror
+            return 2;
+        }
+
+        // https://stackoverflow.com/a/32320020/1191319
+        return 16;
+    }
+
     /**
      * Set playback quality
      * Currently HTML5 & YouTube only
-- 
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