Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / simple_idct.c

diff --git a/libavcodec/simple_idct.c b/libavcodec/simple_idct.c
index 1bf2d56ba415d37fc6de1365ee9d42a7be8bdb42..293185074b8889564ea4817a6e958091ca925f63 100644 (file)
--- a/libavcodec/simple_idct.c
+++ b/libavcodec/simple_idct.c
@@ -132,7 +132,6 @@ void ff_simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block)
 static inline void idct4col_add(uint8_t *dest, int line_size, const DCTELEM *col)
 {
     int c0, c1, c2, c3, a0, a1, a2, a3;
-    const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
 
     a0 = col[8*0];
     a1 = col[8*1];
@@ -142,13 +141,13 @@ static inline void idct4col_add(uint8_t *dest, int line_size, const DCTELEM *col
     c2 = (a0 - a2)*C3 + (1 << (C_SHIFT - 1));
     c1 = a1 * C1 + a3 * C2;
     c3 = a1 * C2 - a3 * C1;
-    dest[0] = cm[dest[0] + ((c0 + c1) >> C_SHIFT)];
+    dest[0] = av_clip_uint8(dest[0] + ((c0 + c1) >> C_SHIFT));
     dest += line_size;
-    dest[0] = cm[dest[0] + ((c2 + c3) >> C_SHIFT)];
+    dest[0] = av_clip_uint8(dest[0] + ((c2 + c3) >> C_SHIFT));
     dest += line_size;
-    dest[0] = cm[dest[0] + ((c2 - c3) >> C_SHIFT)];
+    dest[0] = av_clip_uint8(dest[0] + ((c2 - c3) >> C_SHIFT));
     dest += line_size;
-    dest[0] = cm[dest[0] + ((c0 - c1) >> C_SHIFT)];
+    dest[0] = av_clip_uint8(dest[0] + ((c0 - c1) >> C_SHIFT));
 }
 
 #define RN_SHIFT 15
@@ -160,7 +159,6 @@ static inline void idct4col_add(uint8_t *dest, int line_size, const DCTELEM *col
 static inline void idct4row(DCTELEM *row)
 {
     int c0, c1, c2, c3, a0, a1, a2, a3;
-    //const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
 
     a0 = row[0];
     a1 = row[1];