Remove font files from pkg

Now it downloads from the fallback folder if available. Defaults to LargeBoldSystemFont. Subtitles are displayed with an outline instead of a background rectangle

TODO : take captionstyle into account

Author: jkim2492

components/JFVideo.brs

@@ -31,32 +31,26 @@ sub init()
     m.top.observeField("content", "onContentChange")
 
     'Captions
-    m.captionBG = m.top.findNode("captionBG")
     m.captionGroup = m.top.findNode("captionGroup")
-
+    for i = 1 to 9
+        m.captionGroup.appendChild(createObject("roSGNode", "LayoutGroup"))
+    end for
     m.captionTask = createObject("roSGNode", "captionTask")
     m.captionTask.observeField("currentCaption", "updateCaption")
     m.top.observeField("captionVisible", "toggleCaption")
     m.top.observeField("currentSubtitleTrack", "loadCaption")
 end sub
 
 sub loadCaption()
-    ' if type (m.top.currentSubtitleTrack) <> invalid then
     m.captionTask.url = m.top.currentSubtitleTrack
-    ' end if
 end sub
 
 sub toggleCaption()
     m.captionGroup.visible = m.top.captionVisible
-    m.captionBG.visible = m.top.captionVisible
 end sub
 
 sub updateCaption ()
-    while m.captionGroup.removeChildIndex(0)
-    end while
-    m.captionGroup.appendChildren(m.captionTask.currentCaption)
-    m.captionBG.height = m.captionGroup.BoundingRect().height
-    m.captionBG.width = m.captionGroup.BoundingRect().width
+    m.captionGroup.replaceChildren(m.captionTask.currentCaption, 0)
 end sub
 
 ' Event handler for when video content field changes

components/JFVideo.xml

@@ -32,11 +32,7 @@
   <script type="text/brightscript" uri="pkg:/source/roku_modules/api/api.brs" />
 
   <children>
-
-    <LayoutGroup horizAlignment="center" vertAlignment="center" translation="[960,980]">
-      <Rectangle id="captionBG" color="#323232BF" height="0" width="0" />
-    </LayoutGroup>
-    <LayoutGroup id="captionGroup" horizAlignment="center" vertAlignment="center" translation="[960,980]"></LayoutGroup>
+    <Group id="captionGroup" translation="[960,1020]"></Group>
 
     <timer id="playbackTimer" repeat="true" duration="30" />
     <timer id="bufferCheckTimer" repeat="true" />

components/captionTask.brs

@@ -1,20 +1,43 @@
 sub init()
     m.top.observeField("url", "fetchCaption")
-    m.top.currentCaption = []
+    m.top.currentCaption = CreateObject("roArray", 9, true)
     m.top.currentPos = 0
 
     m.captionTimer = m.top.findNode("captionTimer")
     m.captionTimer.ObserveField("fire", "updateCaption")
 
     m.captionList = []
     m.reader = createObject("roUrlTransfer")
-
     m.font = CreateObject("roSGNode", "Font")
-    m.font.uri = "pkg:/components/fonts/noto.otf"
-    m.font.size = 50
-    ' m.font = "font:LargeSystemFont"
+    fetchFont()
 end sub
 
+
+sub fetchFont()
+    fs = CreateObject("roFileSystem")
+    fontlist = fs.Find("tmp:/", ".*\.(otf|ttf)")
+    if fontlist.count() = 0
+        re = CreateObject("roRegex", "Name.:.(.*?).,.Size", "s")
+        m.filename = APIRequest("FallbackFont/Fonts").GetToString()
+        m.filename = re.match(m.filename)
+        if m.filename.count() <> 0
+            m.filename = m.filename[1]
+            APIRequest("FallbackFont/Fonts/" + m.filename).gettofile("tmp:/" + m.filename)
+            m.font.uri = "tmp:/" + m.filename
+            m.font.size = 60
+        else
+            m.font = "font:LargeBoldSystemFont"
+        end if
+    else
+        ?"font exists"
+        m.font.uri = fontlist[0]
+        ?m.font.uri
+        m.font.size = 60
+    end if
+end sub
+
+
+
 sub fetchCaption()
     re = CreateObject("roRegex", "(http.*?\.vtt)", "s")
     url = re.match(m.top.url)[0]
@@ -28,22 +51,58 @@ sub fetchCaption()
     end if
 end sub
 
+function newlabel(txt):
+    label = CreateObject("roSGNode", "Label")
+    label.text = txt
+    label.font = m.font
+    label.color = &H000000FF
+    label.height = 108
+    return label
+end function
+
+function newlayout(labels)
+    invis = CreateObject("roSGNode", "Label")
+    invis.visible = False
+    l = labels.count()
+    newlg = CreateObject("roSGNode", "LayoutGroup")
+    for i = 0 to 7 - l
+        newlg.appendchild(invis.clone(True))
+    end for
+    newlg.appendchildren(labels)
+    newlg.horizalignment = "center"
+    newlg.vertalignment = "bottom"
+
+    return newlg
+end function
+
+
 sub updateCaption ()
     ' Stop updating captions if the video isn't playing
     if m.top.playerState = "playing"
         m.top.currentPos = m.top.currentPos + 100
-        tmp = []
+        texts = []
         for each entry in m.captionList
             if entry["start"] <= m.top.currentPos and m.top.currentPos <= entry["end"]
-                label = CreateObject("roSGNode", "Label")
-                label.text = entry["text"]
-                label.font = m.font
-                tmp.push(label)
+                texts.push(entry["text"])
             end if
         end for
-        m.top.currentCaption = tmp
+        labels = []
+        for each text in texts
+            labels.push(newlabel (text))
+        end for
+        lg = newlayout(labels)
+        lglist = []
+        coords = [[-1, -1], [-1, 0], [-1, 1], [0, -1], [0, 1], [1, -1], [1, 0], [1, 1], [0, 0]]
+        for p = 0 to 8
+            lgg = lg.clone(True)
+            lgg.translation = [coords[p][0] * 5, coords[p][1] * 5]
+            lglist.push(lgg)
+        end for
+        for q = 0 to 7
+            lglist[8].getchild(q).color = &HFFFFFFFF
+        end for
+        m.top.currentCaption = lglist
     end if
-    ' end if
 end sub
 
 function ms(t) as integer

components/captionTask.xml

@@ -7,6 +7,8 @@
               <field id="currentPos" type="int" />
        </interface>
        <script type="text/brightscript" uri="captionTask.brs" />
+       <script type="text/brightscript" uri="pkg:/source/utils/config.brs" />
+       <script type="text/brightscript" uri="pkg:/source/api/baserequest.brs" />
        <children>
               <timer id="captionTimer" repeat="true" duration="0.1" />
        </children>