[FFmpeg-cvslog] alacenc: fix incorrect buffer use

[Christophe Gisquet]

ffmpeg | branch: master | Christophe Gisquet <christophe.gisquet at gmail.com> | Sat Sep 20 18:23:08 2014 +0000| [a0844935354bc210ecb042101aa9985ed5de975e] | committer: Michael Niedermayer

alacenc: fix incorrect buffer use

The issue lies in actually dead code ("for now it's not used").

Noticed-by: Justin Ruggles
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a0844935354bc210ecb042101aa9985ed5de975e
---

 libavcodec/alacenc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index b9ad899..fd5bf66 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -444,7 +444,7 @@ static void write_element(AlacEncodeContext *s,
             // TODO: determine when this will actually help. for now it's not used.
             if (prediction_type == 15) {
                 // 2nd pass 1st order filter
-                int32_t *residual = s->predictor_buf[channels];
+                int32_t *residual = s->predictor_buf[i];
                 for (j = s->frame_size - 1; j > 0; j--)
                     residual[j] -= residual[j - 1];
             }