[shotwell/shotwell-0.24] picasa: Use proper mime type for video

[Jens Georg <jensgeorg src gnome org>]

commit f9b906012a757e9fdc4e053cb789558ddbd914e0
Author: Jens Georg <mail jensge org>
Date:   Tue Feb 21 22:57:47 2017 +0100

    picasa: Use proper mime type for video
    
    Signed-off-by: Jens Georg <mail jensge org>

 plugins/shotwell-publishing/PicasaPublishing.vala |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/plugins/shotwell-publishing/PicasaPublishing.vala 
b/plugins/shotwell-publishing/PicasaPublishing.vala
index 6ff7c39..f496750 100644
--- a/plugins/shotwell-publishing/PicasaPublishing.vala
+++ b/plugins/shotwell-publishing/PicasaPublishing.vala
@@ -429,8 +429,16 @@ internal class UploadTransaction :
         this.session = session;
         this.parameters = parameters;
         this.publishable = publishable;
-        this.mime_type = (publishable.get_media_type() == Spit.Publishing.Publisher.MediaType.VIDEO) ?
-            "video/mpeg" : "image/jpeg";
+        if (publishable.get_media_type() == Spit.Publishing.Publisher.MediaType.VIDEO) {
+            try {
+                var info = 
this.publishable.get_serialized_file().query_info(FileAttribute.STANDARD_CONTENT_TYPE, 
FileQueryInfoFlags.NONE);
+                this.mime_type = ContentType.get_mime_type(info.get_content_type());
+            } catch (Error err) {
+                this.mime_type = "video/mpeg";
+            }
+        } else {
+            this.mime_type = "image/jpeg";
+        }
     }
 
     public override void execute() throws Spit.Publishing.PublishingError {