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Rename variables

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Originally committed as revision 13596 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-06-01 13:16:13 +00:00
parent 4a567b40b1
commit d981252c27
1 changed files with 10 additions and 10 deletions
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20
libavcodec/ra144.c
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@ -75,24 +75,24 @@ static int t_sqrt(unsigned int x)
* Evaluate the LPC filter coefficients from the reflection coefficients.
* Does the inverse of the eq() function.
*/
static void do_voice(const int *a1, int *a2)
static void do_voice(const int *refl, int *coefs)
{
int buffer[10];
int *b1 = buffer;
int *b2 = a2;
int *b2 = coefs;
int x, y;
for (x=0; x < 10; x++) {
b1[x] = a1[x] << 4;
b1[x] = refl[x] << 4;
for (y=0; y < x; y++)
b1[y] = ((a1[x] * b2[x-y-1]) >> 12) + b2[y];
b1[y] = ((refl[x] * b2[x-y-1]) >> 12) + b2[y];
FFSWAP(int *, b1, b2);
}
for (x=0; x < 10; x++)
a2[x] >>= 4;
coefs[x] >>= 4;
}
/* rotate block */
@ -256,7 +256,7 @@ static int dec1(int16_t *decsp, const int *data, const int *inp, int f)
* @return 1 if one of the reflection coefficients is of magnitude greater than
* 4095, 0 if not.
*/
static int eq(const int16_t *in, int *target)
static int eq(const int16_t *coefs, int *refl)
{
int retval = 0;
int b, c, i;
@ -267,9 +267,9 @@ static int eq(const int16_t *in, int *target)
int *bp2 = buffer2;
for (i=0; i < 10; i++)
buffer2[i] = in[i];
buffer2[i] = coefs[i];
u = target[9] = bp2[9];
u = refl[9] = bp2[9];
if (u + 0x1000 > 0x1fff)
return 0; /* We're screwed, might as well go out with a bang. :P */
@ -287,9 +287,9 @@ static int eq(const int16_t *in, int *target)
b++;
for (u=0; u<=c; u++)
bp1[u] = ((bp2[u] - ((target[c+1] * bp2[c-u]) >> 12)) * (0x1000000 / b)) >> 12;
bp1[u] = ((bp2[u] - ((refl[c+1] * bp2[c-u]) >> 12)) * (0x1000000 / b)) >> 12;
target[c] = u = bp1[c];
refl[c] = u = bp1[c];
if ((u + 0x1000) > 0x1fff)
retval = 1;