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Move evaluation of variable a to where it is trivial

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Originally committed as revision 13387 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-05-25 16:29:07 +00:00
parent d6ff684b12
commit 58e23a5f21
1 changed files with 6 additions and 11 deletions
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17
libavcodec/ra144.c
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@ -288,20 +288,15 @@ static int eq(const short *in, int *target)
}
static int dec2(signed short *decsp, const int *data, const int *inp,
int f, const int *inp2, int l)
int f, const int *inp2, int a)
{
unsigned const int *ptr1,*ptr2;
int work[10];
int a,b;
int b;
int x;
int result;
unsigned short *sptr = decsp;
if(l + 1 < NBLOCKS / 2)
a = NBLOCKS - (l + 1);
else
a = l + 1;
b = NBLOCKS - a;
ptr1 = inp;
@ -351,13 +346,13 @@ static int ra144_decode_frame(AVCodecContext * avctx,
val = decodeval[get_bits(&gb, 5) << 1]; // Useless table entries?
a = t_sqrt(val*glob->oldval) >> 12;
gbuf1[0] = dec2(gbuf2[0], glob->swapbuf1alt, glob->swapbuf2alt, glob->oldval, glob->swapbuf2, 0);
gbuf1[0] = dec2(gbuf2[0], glob->swapbuf1alt, glob->swapbuf2alt, glob->oldval, glob->swapbuf2, 3);
if (glob->oldval < val) {
gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1, glob->swapbuf2, a, glob->swapbuf2alt, 1);
gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1, glob->swapbuf2, a, glob->swapbuf2alt, 2);
} else {
gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1alt, glob->swapbuf2alt, a, glob->swapbuf2, 1);
gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1alt, glob->swapbuf2alt, a, glob->swapbuf2, 2);
}
gbuf1[2] = dec2(gbuf2[2], glob->swapbuf1, glob->swapbuf2, val, glob->swapbuf2alt, 2);
gbuf1[2] = dec2(gbuf2[2], glob->swapbuf1, glob->swapbuf2, val, glob->swapbuf2alt, 3);
gbuf1[3] = dec1(gbuf2[3], glob->swapbuf1, glob->swapbuf2, val);
/* do output */