From a76eacb624683e71c8add7e6c727b074a956a2ad Mon Sep 17 00:00:00 2001
From: Nick Bisby <nbisby@gmail.com>
Date: Mon, 22 Apr 2019 00:09:16 -0500
Subject: [PATCH] Begin looking into audio solutions

---
 source/VideoPlayer.brs | 41 +++++++++++++++++++++++++++++++++++------
 1 file changed, 35 insertions(+), 6 deletions(-)

diff --git a/source/VideoPlayer.brs b/source/VideoPlayer.brs
index 4b898387..2541fa9d 100644
--- a/source/VideoPlayer.brs
+++ b/source/VideoPlayer.brs
@@ -22,12 +22,7 @@ function VideoContent(id) as object
   meta = ItemMetaData(id)
   content.title = meta.Name
 
-  container = meta.json.mediaSources[0].container
-  if container = invalid
-    container = ""
-  else if container = "m4v" or container = "mov"
-    container = "mp4"
-  end if
+  container = getContainerType(meta)
 
   content.url = buildURL(Substitute("Videos/{0}/stream", id), {
     Static: "true",
@@ -39,6 +34,8 @@ function VideoContent(id) as object
   content.streamformat = container
   content.switchingStrategy = ""
 
+  ' todo - audioFormat is read only
+  content.audioFormat = getAudioFormat(meta)
 
   if server_is_https() then
     content.setCertificatesFile("common:/certs/ca-bundle.crt")
@@ -46,3 +43,35 @@ function VideoContent(id) as object
 
   return content
 end function
+
+function getContainerType(meta as object) as string
+  if meta.json.mediaSources = invalid then return ""
+
+  container = meta.json.mediaSources[0].container
+  if container = invalid
+    container = ""
+  else if container = "m4v" or container = "mov"
+    container = "mp4"
+  end if
+
+  return container
+end function
+
+function getAudioFormat(meta as object) as string
+  if meta.json.mediaSources = invalid then return ""
+
+  audioInfo = getAudioInfo(meta)
+  if audioInfo.count() = 0 then return ""
+  return audioInfo[0].codec
+end function
+
+
+function getAudioInfo(meta as object) as object
+  results = []
+  for each source in meta.json.mediaSources[0].mediaStreams
+    if source["type"] = "Audio"
+      results.push(source)
+    end if
+  end for
+  return results
+end function