[rygel] core: Correct logic for decision to seek or not

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 343007469bb9c9d9ef757a87ea0a5c13e36923fa
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Dec 9 03:10:25 2009 +0200

    core: Correct logic for decision to seek or not

 src/rygel/rygel-http-byte-seek.vala |    3 ++-
 src/rygel/rygel-http-time-seek.vala |    6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/src/rygel/rygel-http-byte-seek.vala b/src/rygel/rygel-http-byte-seek.vala
index 72a701b..faf327a 100644
--- a/src/rygel/rygel-http-byte-seek.vala
+++ b/src/rygel/rygel-http-byte-seek.vala
@@ -81,7 +81,8 @@ internal class Rygel.HTTPByteSeek : Rygel.HTTPSeek {
     }
 
     public static bool needed (HTTPRequest request) {
-        return true;
+        return request.item.size > 0 ||
+               (request.thumbnail != null && request.thumbnail.size > 0);
     }
 
     public override void add_response_headers () {
diff --git a/src/rygel/rygel-http-time-seek.vala b/src/rygel/rygel-http-time-seek.vala
index bd3e17c..87bb032 100644
--- a/src/rygel/rygel-http-time-seek.vala
+++ b/src/rygel/rygel-http-time-seek.vala
@@ -78,7 +78,11 @@ internal class Rygel.HTTPTimeSeek : Rygel.HTTPSeek {
     }
 
     public static bool needed (HTTPRequest request) {
-        return request.thumbnail == null && request.item.should_stream ();
+        var range = request.msg.request_headers.get ("TimeSeekRange.dlna.org");
+
+        return range != null &&
+               (request.request_handler is HTTPTranscodeHandler ||
+                (request.thumbnail == null && request.item.should_stream ()));
     }
 
     public override void add_response_headers () {