From: Michael Niedermayer <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
Signed-off-by: Justin Ruggles <[email protected]>
---
libavcodec/parser.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index 7ace766..5e559f7 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -254,7 +254,9 @@ int ff_combine_frame(ParseContext *pc, int next, const
uint8_t **buf, int *buf_s
if(!new_buffer)
return AVERROR(ENOMEM);
pc->buffer = new_buffer;
- memcpy(&pc->buffer[pc->index], *buf, next +
FF_INPUT_BUFFER_PADDING_SIZE );
+ if (FF_INPUT_BUFFER_PADDING_SIZE > -next)
+ memcpy(&pc->buffer[pc->index], *buf,
+ next + FF_INPUT_BUFFER_PADDING_SIZE);
pc->index = 0;
*buf= pc->buffer;
}
--
1.7.1
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