[FFmpeg-devel] [PATCH 1/2] Handle input or output len of 0 properly in lzo decoder. (cherry picked from commit 7d5082600ee63d879c2a325974ea09c8ace05019)
Janne Grunau
janne-ffmpeg
Mon Jan 24 20:59:38 CET 2011
From: Reimar D?ffinger <Reimar.Doeffinger at gmx.de>
---
libavutil/lzo.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/libavutil/lzo.c b/libavutil/lzo.c
index a876fc7..40a41a4 100644
--- a/libavutil/lzo.c
+++ b/libavutil/lzo.c
@@ -175,6 +175,14 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
int state= 0;
int x;
LZOContext c;
+ if (!*outlen || !*inlen) {
+ int res = 0;
+ if (!*outlen)
+ res |= AV_LZO_OUTPUT_FULL;
+ if (!*inlen)
+ res |= AV_LZO_INPUT_DEPLETED;
+ return res;
+ }
c.in = in;
c.in_end = (const uint8_t *)in + *inlen;
c.out = c.out_start = out;
--
1.7.4.rc2
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