From d9aac2676161e4116574482508d9c7f0c4398f49 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@highlandsun.com>
Date: Wed, 16 Jun 2010 01:12:26 +0000
Subject: [PATCH] When reading a stream, should retry on EAGAIN instead of just
 failing. Also, when reading a live feed, should retry regardless of whether
 any client has opened the stream.

Originally committed as revision 23621 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffserver.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/ffserver.c b/ffserver.c
index 77340af3df..31d0268d05 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -2306,12 +2306,16 @@ static int http_prepare_data(HTTPContext *c)
         else {
             AVPacket pkt;
         redo:
-            if (av_read_frame(c->fmt_in, &pkt) < 0) {
-                if (c->stream->feed && c->stream->feed->feed_opened) {
+            ret = av_read_frame(c->fmt_in, &pkt);
+            if (ret < 0) {
+                if (c->stream->feed) {
                     /* if coming from feed, it means we reached the end of the
                        ffm file, so must wait for more data */
                     c->state = HTTPSTATE_WAIT_FEED;
                     return 1; /* state changed */
+                } else if (ret == AVERROR(EAGAIN)) {
+                    /* input not ready, come back later */
+                    return 0;
                 } else {
                     if (c->stream->loop) {
                         av_close_input_file(c->fmt_in);