allocate a few bytes more for extradata so the bitstream reader if its used by the codec for parsing extardata, doesnt read over the end

Originally committed as revision 3679 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 1 insertions, 1 deletions

diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index af898ba217..2b6fa8844a 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -211,7 +211,7 @@ static void sdp_parse_fmtp(AVCodecContext *codec, const char *p)
             if (!strcmp(attr, "config")) {
                 /* decode the hexa encoded parameter */
                 len = hex_to_data(NULL, value);
-                codec->extradata = av_mallocz(len);
+                codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
                 if (!codec->extradata)
                     goto fail;
                 codec->extradata_size = len;