[SCM] libav/experimental: Dont give up after 100kb of zero bytes but returnd EAGAIN fixes issue1729

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 0332324a48c8571ff30b50c194e68bf04a3e3f2b
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Wed Feb 10 14:25:57 2010 +0000

    Dont give up after 100kb of zero bytes but returnd EAGAIN
    fixes issue1729
    
    Originally committed as revision 21738 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index d4d4d21..2b1cc34 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -247,8 +247,13 @@ static int mpegps_read_pes_header(AVFormatContext *s,
         startcode = find_next_start_code(s->pb, &size, &m->header_state);
         last_sync = url_ftell(s->pb);
     //printf("startcode=%x pos=0x%"PRIx64"\n", startcode, url_ftell(s->pb));
-    if (startcode < 0)
-        return AVERROR(EIO);
+    if (startcode < 0){
+        if(url_feof(s->pb))
+            return AVERROR_EOF;
+        //FIXME we should remember header_state
+        return AVERROR(EAGAIN);
+    }
+
     if (startcode == PACK_START_CODE)
         goto redo;
     if (startcode == SYSTEM_HEADER_START_CODE)

-- 
Libav/FFmpeg packaging