From 58b049f2fa4f192b00baadb5f1f32ca366f936ea Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 16 May 2012 09:19:46 +0200
Subject: lavfi: support automatically inserting the fifo filter when needed.

This breaks libavfilter ABI.
---
 libavfilter/internal.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'libavfilter/internal.h')

diff --git a/libavfilter/internal.h b/libavfilter/internal.h
index 01b8f664f8..954610e3ca 100644
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -149,6 +149,14 @@ struct AVFilterPad {
      * and another value on error.
      */
     int (*config_props)(AVFilterLink *link);
+
+    /**
+     * The filter expects a fifo to be inserted on its input link,
+     * typically because it has a delay.
+     *
+     * input pads only.
+     */
+    int needs_fifo;
 };
 #endif
 
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