From 6408529b5d5e8564312ed1b70c0db5a9bc8ea9d5 Mon Sep 17 00:00:00 2001
From: Peter Ross <pross@xvid.org>
Date: Fri, 1 Apr 2011 23:11:52 +1100
Subject: [PATCH] Increase ffmpeg video encoding buffer size to permit encoding
 of DPX images

The header generated by the DPX encoder is 1664 bytes.
---
 ffmpeg.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index 285b7255d4..4c7ba5ba9b 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2300,8 +2300,9 @@ static int transcode(AVFormatContext **output_files,
             }
         }
         if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
+            /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
             int size= codec->width * codec->height;
-            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
+            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
         }
     }