[brasero] Don't try to make a snapshot of a video with a 0 len

[Philippe Rouquier <philippr src gnome org>]

commit 4d42975dfddbf33742b29c3576b2bfa37a13d2d9
Author: Philippe Rouquier <bonfire-app wanadoo fr>
Date:   Mon Sep 28 14:46:24 2009 +0200

    Don't try to make a snapshot of a video with a 0 len

 libbrasero-utils/brasero-metadata.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libbrasero-utils/brasero-metadata.c b/libbrasero-utils/brasero-metadata.c
index f7c5e79..1c81133 100644
--- a/libbrasero-utils/brasero-metadata.c
+++ b/libbrasero-utils/brasero-metadata.c
@@ -720,7 +720,8 @@ brasero_metadata_success (BraseroMetadata *self)
 	}
 
 	/* before leaving, check if we need a snapshot */
-	if (priv->snapshot
+	if (priv->info->len > 0
+	&&  priv->snapshot
 	&&  priv->video_linked
 	&& !priv->snapshot_started)
 		return brasero_metadata_thumbnail (self);
@@ -1589,7 +1590,6 @@ brasero_metadata_new_decoded_pad_cb (GstElement *decode,
 	name = gst_structure_get_name (structure);
 	has_audio = (g_strrstr (name, "audio") != NULL);
 	has_video = (g_strrstr (name, "video") != NULL);
-
 	priv->info->has_audio |= has_audio;
 	priv->info->has_video |= has_video;