[FFmpeg-devel] [PATCH 4/4] avcodec/ac3dec_fixed: Remove some temporary variables from scale_coefs()

Michael Niedermayer michael at niedermayer.cc
Sun Feb 2 02:16:39 EET 2020


Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/ac3dec_fixed.c | 30 ++++++++----------------------
 1 file changed, 8 insertions(+), 22 deletions(-)

diff --git a/libavcodec/ac3dec_fixed.c b/libavcodec/ac3dec_fixed.c
index 1e1edc8964..336a538cad 100644
--- a/libavcodec/ac3dec_fixed.c
+++ b/libavcodec/ac3dec_fixed.c
@@ -110,28 +110,14 @@ static void scale_coefs (
       mul <<= shift;
       for (i=0; i<len; i+=8) {
 
-          temp = src[i] * mul;
-          temp1 = src[i+1] * mul;
-          temp2 = src[i+2] * mul;
-
-          dst[i] = temp;
-          temp3 = src[i+3] * mul;
-
-          dst[i+1] = temp1;
-          temp4 = src[i + 4] * mul;
-          dst[i+2] = temp2;
-
-          temp5 = src[i+5] * mul;
-          dst[i+3] = temp3;
-          temp6 = src[i+6] * mul;
-
-          dst[i+4] = temp4;
-          temp7 = src[i+7] * mul;
-
-          dst[i+5] = temp5;
-          dst[i+6] = temp6;
-          dst[i+7] = temp7;
-
+          dst[i]   = src[i  ] * mul;
+          dst[i+1] = src[i+1] * mul;
+          dst[i+2] = src[i+2] * mul;
+          dst[i+3] = src[i+3] * mul;
+          dst[i+4] = src[i+4] * mul;
+          dst[i+5] = src[i+5] * mul;
+          dst[i+6] = src[i+6] * mul;
+          dst[i+7] = src[i+7] * mul;
       }
     }
 }
-- 
2.17.1



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