[FFmpeg-cvslog] dv: Add a guard to not overread the ppcm array

[Luca Barbato]

ffmpeg | branch: release/0.10 | Luca Barbato <lu_zero at gentoo.org> | Mon Aug  5 22:15:24 2013 +0200| [b0ca5fef09d1b1268ea0c8f89bf53cd38aaa85e7] | committer: Sean McGovern

dv: Add a guard to not overread the ppcm array

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org
(cherry picked from commit 7ee191cab0dc44700f26c5784e2adeb6a779651b)
Signed-off-by: Luca Barbato <lu_zero at gentoo.org>

Conflicts:
	libavformat/dv.c

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b0ca5fef09d1b1268ea0c8f89bf53cd38aaa85e7
---

 libavformat/dv.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/dv.c b/libavformat/dv.c
index 65d0f87..ac66237 100644
--- a/libavformat/dv.c
+++ b/libavformat/dv.c
@@ -102,7 +102,7 @@ static const uint8_t* dv_extract_pack(uint8_t* frame, enum dv_pack_type t)
  * 3. Audio is always returned as 16bit linear samples: 12bit nonlinear samples
  *    are converted into 16bit linear ones.
  */
-static int dv_extract_audio(uint8_t* frame, uint8_t* ppcm[4],
+static int dv_extract_audio(uint8_t *frame, uint8_t **ppcm,
                             const DVprofile *sys)
 {
     int size, chan, i, j, d, of, smpls, freq, quant, half_ch;
@@ -335,7 +335,7 @@ int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
                       uint8_t* buf, int buf_size)
 {
     int size, i;
-    uint8_t *ppcm[4] = {0};
+    uint8_t *ppcm[5] = { 0 };
 
     if (buf_size < DV_PROFILE_BYTES ||
         !(c->sys = avpriv_dv_frame_profile(c->sys, buf, buf_size)) ||