Update code docs

Author: jellyrock-bot

docs/components_ItemGrid_LoadVideoContentTask.bs.html

@@ -92,8 +92,12 @@
       video.length = meta.json.MediaSources[0].RunTimeTicks / 10000000
     end if
   end if
-  if isValid(meta.json.MediaSources[0]) and isValid(meta.json.MediaSources[0].MediaStreams[0])
-    video.MaxVideoDecodeResolution = [meta.json.MediaSources[0].MediaStreams[0].Width, meta.json.MediaSources[0].MediaStreams[0].Height]
+  ' Find first video stream - MediaStreams[0] might be subtitle/audio
+  if isValid(meta.json.MediaSources[0]) and isValid(meta.json.MediaSources[0].MediaStreams)
+    videoStream = getFirstVideoStream(meta.json.MediaSources[0].MediaStreams)
+    if isValid(videoStream) and isValid(videoStream.Width) and isValid(videoStream.Height)
+      video.MaxVideoDecodeResolution = [videoStream.Width, videoStream.Height]
+    end if
   end if
 
   subtitle_idx = m.top.selectedSubtitleIndex
@@ -240,8 +244,14 @@
   ' transcode is that the Encoding Level is not supported, then try to direct play but silently
   ' fall back to the transcode if that fails.
   if m.playbackInfo.MediaSources[0].MediaStreams.Count() > 0 and meta.live = false
-    tryDirectPlay = userSettings.playbackTryDirectH264ProfileLevel and m.playbackInfo.MediaSources[0].MediaStreams[0].codec = "h264"
-    tryDirectPlay = tryDirectPlay or (userSettings.playbackTryDirectHevcProfileLevel and m.playbackInfo.MediaSources[0].MediaStreams[0].codec = "hevc")
+    ' Find first video stream - MediaStreams[0] might be subtitle/audio
+    firstVideoStream = getFirstVideoStream(m.playbackInfo.MediaSources[0].MediaStreams)
+    if isValid(firstVideoStream) and isValid(firstVideoStream.codec)
+      tryDirectPlay = userSettings.playbackTryDirectH264ProfileLevel and firstVideoStream.codec = "h264"
+      tryDirectPlay = tryDirectPlay or (userSettings.playbackTryDirectHevcProfileLevel and firstVideoStream.codec = "hevc")
+    else
+      tryDirectPlay = false
+    end if
     if tryDirectPlay and isValid(m.playbackInfo.MediaSources[0].TranscodingUrl) and forceTranscoding = false
       transcodingReasons = getTranscodeReasons(m.playbackInfo.MediaSources[0].TranscodingUrl)
       if transcodingReasons.Count() = 1 and transcodingReasons[0] = "VideoLevelNotSupported"