From f75ee4031e0d898ba1cb3269f09dcf7e9ee99b07 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Tue, 17 Apr 2012 18:31:25 +0200
Subject: [PATCH] vsrc_buffer: return EAGAIN if no frame is available.

This is not an erroneous condition, do not print a warning.
---
 libavfilter/vsrc_buffer.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libavfilter/vsrc_buffer.c b/libavfilter/vsrc_buffer.c
index ba00b2b651..a22665b8e7 100644
--- a/libavfilter/vsrc_buffer.c
+++ b/libavfilter/vsrc_buffer.c
@@ -249,9 +249,7 @@ static int request_frame(AVFilterLink *link)
     if (!av_fifo_size(c->fifo)) {
         if (c->eof)
             return AVERROR_EOF;
-        av_log(link->src, AV_LOG_WARNING,
-               "request_frame() called with no available frame!\n");
-        return AVERROR(EINVAL);
+        return AVERROR(EAGAIN);
     }
     av_fifo_generic_read(c->fifo, &buf, sizeof(buf), NULL);