[FFmpeg-cvslog] swscale: Add cliping to yuv2422_1_c_template()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Feb 14 20:33:39 2012 +0100| [f03a02993935420201b3cf60842e202475619ee3] | committer: Michael Niedermayer

swscale: Add cliping to yuv2422_1_c_template()

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f03a02993935420201b3cf60842e202475619ee3
---

 libswscale/output.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/libswscale/output.c b/libswscale/output.c
index 658ee2c..d24cf1f 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -519,6 +519,13 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
             int U  = (ubuf0[i]       +64) >> 7;
             int V  = (vbuf0[i]       +64) >> 7;
 
+            if ((Y1 | Y2 | U | V) & 0x100) {
+                Y1 = av_clip_uint8(Y1);
+                Y2 = av_clip_uint8(Y2);
+                U  = av_clip_uint8(U);
+                V  = av_clip_uint8(V);
+            }
+
             output_pixels(i * 4, Y1, U, Y2, V);
         }
     } else {
@@ -529,6 +536,13 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
             int U  = (ubuf0[i] + ubuf1[i]+128) >> 8;
             int V  = (vbuf0[i] + vbuf1[i]+128) >> 8;
 
+            if ((Y1 | Y2 | U | V) & 0x100) {
+                Y1 = av_clip_uint8(Y1);
+                Y2 = av_clip_uint8(Y2);
+                U  = av_clip_uint8(U);
+                V  = av_clip_uint8(V);
+            }
+
             output_pixels(i * 4, Y1, U, Y2, V);
         }
     }