From 9f50dafe9025555f11e66e3b09cf3db2cd53cfb2 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 23 Dec 2011 01:51:47 +0100
Subject: udp: support non blocking reads with fifo

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/udp.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libavformat')

diff --git a/libavformat/udp.c b/libavformat/udp.c
index d360bd6057..5bf7d82dad 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -572,6 +572,9 @@ static int udp_read(URLContext *h, uint8_t *buf, int size)
             } else if(s->circular_buffer_error){
                 pthread_mutex_unlock(&s->mutex);
                 return s->circular_buffer_error;
+            } else if(h->flags & AVIO_FLAG_NONBLOCK) {
+                pthread_mutex_unlock(&s->mutex);
+                return AVERROR(EAGAIN);
             }
             else {
                 pthread_cond_wait(&s->cond, &s->mutex);
-- 
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