Hi,
if ffm files are shorter than expected, these loops never finish.
Attached patch fixes that.
Best regards,
Andreas
>From 697ac779497e26e27e6337205e37a371020add1e Mon Sep 17 00:00:00 2001
From: Andreas Cadhalpun
Date: Sun, 8 Mar 2015 23:31:48 +0100
Subject: [PATCH 6/8] ffmdec: fix infinite loop at EOF
If EOF is reached, while skipping bytes, avio_tell(pb) won't change
anymore, resulting in an infinite loop.
Signed-off-by: Andreas Cadhalpun
---
libavformat/ffmdec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavformat/ffmdec.c b/libavformat/ffmdec.c
index 9cbd20c..60df51d 100644
--- a/libavformat/ffmdec.c
+++ b/libavformat/ffmdec.c
@@ -460,7 +460,7 @@ static int ffm2_read_header(AVFormatContext *s)
}
/* get until end of block reached */
-while ((avio_tell(pb) % ffm->packet_size) != 0)
+while ((avio_tell(pb) % ffm->packet_size) != 0 && !pb->eof_reached)
avio_r8(pb);
/* init packet demux */
@@ -592,7 +592,7 @@ static int ffm_read_header(AVFormatContext *s)
}
/* get until end of block reached */
-while ((avio_tell(pb) % ffm->packet_size) != 0)
+while ((avio_tell(pb) % ffm->packet_size) != 0 && !pb->eof_reached)
avio_r8(pb);
/* init packet demux */
--
2.1.4
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