[FFmpeg-cvslog] g723_1: make scale_vector() behave like the reference

[Kostya Shishkov]

ffmpeg | branch: master | Kostya Shishkov <kostya.shishkov at gmail.com> | Thu Aug  2 07:50:49 2012 +0200| [8ddadea171fa38563cc1ff9a78d4cd07655c0e1b] | committer: Kostya Shishkov

g723_1: make scale_vector() behave like the reference

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8ddadea171fa38563cc1ff9a78d4cd07655c0e1b
---

 libavcodec/g723_1.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c
index 91f1b86..4ad74f4 100644
--- a/libavcodec/g723_1.c
+++ b/libavcodec/g723_1.c
@@ -282,7 +282,8 @@ static int normalize_bits(int num, int width)
  */
 static int scale_vector(int16_t *vector, int length)
 {
-    int bits, scale, max = 0;
+    int bits, max = 0;
+    int64_t scale;
     int i;
 
 
@@ -293,7 +294,7 @@ static int scale_vector(int16_t *vector, int length)
     scale = (bits == 15) ? 0x7FFF : (1 << bits);
 
     for (i = 0; i < length; i++)
-        vector[i] = (vector[i] * scale) >> 4;
+        vector[i] = av_clipl_int32(vector[i] * scale << 1) >> 4;
 
     return bits - 3;
 }