[FFmpeg-cvslog] avcodec/hevc: fix chroma transform_add size

[Michael Niedermayer]

ffmpeg | branch: release/2.3 | Michael Niedermayer <michaelni at gmx.at> | Sat Oct  4 16:17:32 2014 +0200| [e2e0c5b7f64d526907955b27e5682c8bf4de7700] | committer: Michael Niedermayer

avcodec/hevc: fix chroma transform_add size

Fixes accessing misaligned address
Fixes: signal_sigsegv_1feb99c_10_signal_sigsegv_2d1d35c_79_cov_691940146_EXT_A_ericsson_3.bit

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit df8394c693d3c1e13b7ebf6af01c5e55321cf952)

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e2e0c5b7f64d526907955b27e5682c8bf4de7700
---

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

diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index afb2baa..3fb8a8a 100644
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -978,7 +978,7 @@ static int hls_transform_unit(HEVCContext *s, int x0, int y0,
                         for (i = 0; i < (size * size); i++) {
                             coeffs[i] = ((lc->tu.res_scale_val * coeffs_y[i]) >> 3);
                         }
-                        s->hevcdsp.transform_add[log2_trafo_size-2](dst, coeffs, stride);
+                        s->hevcdsp.transform_add[log2_trafo_size_c-2](dst, coeffs, stride);
                     }
             }
 
@@ -1007,7 +1007,7 @@ static int hls_transform_unit(HEVCContext *s, int x0, int y0,
                         for (i = 0; i < (size * size); i++) {
                             coeffs[i] = ((lc->tu.res_scale_val * coeffs_y[i]) >> 3);
                         }
-                        s->hevcdsp.transform_add[log2_trafo_size-2](dst, coeffs, stride);
+                        s->hevcdsp.transform_add[log2_trafo_size_c-2](dst, coeffs, stride);
                     }
             }
         } else if (blk_idx == 3) {