Fix speed persistence per video.

lms/djangoapps/courseware/features/video.feature

@@ -62,7 +62,8 @@ Feature: LMS.Video component
     And I reload the page
     When I open video "A"
     Then video "A" should start playing at speed "2.0"
+    And I select the "1.0" speed on video "A"
     When I open video "B"
     Then video "B" should start playing at speed "0.50"
     When I open video "C"
-    Then video "C" should start playing at speed "0.50"
+    Then video "C" should start playing at speed "1.0"

lms/djangoapps/courseware/tests/test_video_mongo.py

@@ -66,7 +66,8 @@ class TestVideoYouTube(TestVideo):
             'end': 3610.0,
             'id': self.item_module.location.html_id(),
             'sources': sources,
-            'speed': 1.0,
+            'speed': 'null',
+            'general_speed': 1.0,
             'start': 3603.0,
             'sub': u'a_sub_file.srt.sjson',
             'track': None,
@@ -120,7 +121,8 @@ class TestVideoNonYouTube(TestVideo):
             'end': 3610.0,
             'id': self.item_module.location.html_id(),
             'sources': sources,
-            'speed': 1.0,
+            'speed': 'null',
+            'general_speed': 1.0,
             'start': 3603.0,
             'sub': u'a_sub_file.srt.sjson',
             'track': None,
@@ -201,7 +203,8 @@ class TestGetHtmlMethod(BaseTestXmodule):
             },
             'start': 3603.0,
             'sub': u'a_sub_file.srt.sjson',
-            'speed': 1.0,
+            'speed': 'null',
+            'general_speed': 1.0,
             'track': None,
             'youtube_streams': '1.00:OEoXaMPEzfM',
             'autoplay': settings.FEATURES.get('AUTOPLAY_VIDEOS', True),
@@ -302,7 +305,8 @@ class TestGetHtmlMethod(BaseTestXmodule):
             'end': 3610.0,
             'id': None,
             'sources': None,
-            'speed': 1.0,
+            'speed': 'null',
+            'general_speed': 1.0,
             'start': 3603.0,
             'sub': u'a_sub_file.srt.sjson',
             'track': None,

lms/templates/video.html

@@ -20,6 +20,7 @@
     data-save-state-url="${ajax_url}"
     data-caption-data-dir="${data_dir}"
     data-show-captions="${show_captions}"
+    data-general-speed="${general_speed}"
     data-speed="${speed}"
     data-start="${start}"
     data-end="${end}"