[FFmpeg-cvslog] vp9: fix type of iadst4_1d intermediates.

[Ronald S. Bultje]

ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Fri Sep  4 17:01:53 2015 -0400| [ef8740d8e58dc45950887305307206d27ad413fb] | committer: Ronald S. Bultje

vp9: fix type of iadst4_1d intermediates.

Fixes integer overflows for extreme coefficient values in 10/12bpp content.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ef8740d8e58dc45950887305307206d27ad413fb
---

 libavcodec/vp9dsp_template.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vp9dsp_template.c b/libavcodec/vp9dsp_template.c
index 9395a0c..4d810fe 100644
--- a/libavcodec/vp9dsp_template.c
+++ b/libavcodec/vp9dsp_template.c
@@ -1186,7 +1186,7 @@ static av_always_inline void idct4_1d(const dctcoef *in, ptrdiff_t stride,
 static av_always_inline void iadst4_1d(const dctcoef *in, ptrdiff_t stride,
                                        dctcoef *out, int pass)
 {
-    int t0, t1, t2, t3;
+    dctint t0, t1, t2, t3;
 
     t0 =  5283 * IN(0) + 15212 * IN(2) +  9929 * IN(3);
     t1 =  9929 * IN(0) -  5283 * IN(2) - 15212 * IN(3);