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Code Issues Releases Activity

Factorize I >> (c->tbls->bits - 1) out.

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Originally committed as revision 13812 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-06-19 10:29:36 +00:00
parent 747d1b87e2
commit cb26c9d664
1 changed files with 3 additions and 2 deletions
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5
libavcodec/g726.c
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@ -188,6 +188,7 @@ static int16_t g726_decode(G726Context* c, int16_t I)
{ {
int dq, re_signal, pk0, fa1, i, tr, ylint, ylfrac, thr2, al, dq0; int dq, re_signal, pk0, fa1, i, tr, ylint, ylfrac, thr2, al, dq0;
Float11 f; Float11 f;
int I_sig= I >> (c->tbls->bits - 1);
dq = inverse_quant(c, I); dq = inverse_quant(c, I);
@ -197,7 +198,7 @@ static int16_t g726_decode(G726Context* c, int16_t I)
thr2 = (ylint > 9) ? 0x1f << 10 : (0x20 + ylfrac) << ylint; thr2 = (ylint > 9) ? 0x1f << 10 : (0x20 + ylfrac) << ylint;
tr= (c->td == 1 && dq > ((3*thr2)>>2)); tr= (c->td == 1 && dq > ((3*thr2)>>2));
if (I >> (c->tbls->bits - 1)) /* get the sign */ if (I_sig) /* get the sign */
dq = -dq; dq = -dq;
re_signal = c->se + dq; re_signal = c->se + dq;
@ -230,7 +231,7 @@ static int16_t g726_decode(G726Context* c, int16_t I)
for (i=5; i>0; i--) for (i=5; i>0; i--)
c->dq[i] = c->dq[i-1]; c->dq[i] = c->dq[i-1];
i2f(dq, &c->dq[0]); i2f(dq, &c->dq[0]);
c->dq[0].sign = I >> (c->tbls->bits - 1); /* Isn't it crazy ?!?! */ c->dq[0].sign = I_sig; /* Isn't it crazy ?!?! */
c->td = c->a[1] < -11776; c->td = c->a[1] < -11776;