From b41aab36905be6f822f0e102b291d8630474bc42 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@collabora.co.uk>
Date: Wed, 6 Oct 2010 18:15:03 +0200
Subject: [PATCH] ffdec: add some comments

---
 ext/ffmpeg/gstffmpegdec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ext/ffmpeg/gstffmpegdec.c b/ext/ffmpeg/gstffmpegdec.c
index e802ee54bb..d2649a5c7e 100644
--- a/ext/ffmpeg/gstffmpegdec.c
+++ b/ext/ffmpeg/gstffmpegdec.c
@@ -44,6 +44,10 @@ typedef struct _GstFFMpegDec GstFFMpegDec;
 
 #define MAX_TS_MASK 0xff
 
+/* for each incomming buffer we keep all timing info in a structure like this.
+ * We keep a circular array of these structures around to store the timing info.
+ * The index in the array is what we pass as opaque data (to pictures) and
+ * pts (to parsers) so that ffmpeg can remember them for us. */
 typedef struct
 {
   gint idx;