Do not shift F[I] twice, it is also clearer and smaller now.

Originally committed as revision 13818 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago · 74d9441715
parent 50c52d2250
commit 74d9441715
1 changed files with 2 additions and 2 deletions
--- a/libavcodec/g726.c
+++ b/libavcodec/g726.c
@ -235,8 +235,8 @@ static int16_t g726_decode(G726Context* c, int I)
    c->td = c->a[1] < -11776;

    /* Update Ap */
-    c->dms += ((c->tbls.F[I]<<9) - c->dms) >> 5;
-    c->dml += ((c->tbls.F[I]<<11) - c->dml) >> 7;
+    c->dms += (c->tbls.F[I]<<4) + ((- c->dms) >> 5);
+    c->dml += (c->tbls.F[I]<<4) + ((- c->dml) >> 7);
    if (tr)
        c->ap = 256;
    else {