[FFmpeg-cvslog] ac3dsp: simplify extract_exponents() now that it does not need to do clipping.

[Justin Ruggles]

ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Thu Jun 16 16:55:33 2011 -0400| [8b7b2d6aaee8cef0051beb3a4cf3e1c5a87cf40f] | committer: Justin Ruggles

ac3dsp: simplify extract_exponents() now that it does not need to do clipping.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8b7b2d6aaee8cef0051beb3a4cf3e1c5a87cf40f
---

 libavcodec/ac3dsp.c |   15 +--------------
 1 files changed, 1 insertions(+), 14 deletions(-)

diff --git a/libavcodec/ac3dsp.c b/libavcodec/ac3dsp.c
index 8ce5f8d..98c7357 100644
--- a/libavcodec/ac3dsp.c
+++ b/libavcodec/ac3dsp.c
@@ -164,21 +164,8 @@ static void ac3_extract_exponents_c(uint8_t *exp, int32_t *coef, int nb_coefs)
     int i;
 
     for (i = 0; i < nb_coefs; i++) {
-        int e;
         int v = abs(coef[i]);
-        if (v == 0)
-            e = 24;
-        else {
-            e = 23 - av_log2(v);
-            if (e >= 24) {
-                e = 24;
-                coef[i] = 0;
-            } else if (e < 0) {
-                e = 0;
-                coef[i] = av_clip(coef[i], -16777215, 16777215);
-            }
-        }
-        exp[i] = e;
+        exp[i] = v ? 23 - av_log2(v) : 24;
     }
 }