And on the sixth day, God gave us the <= operand, which makes the loop

"for (i = 1; i < num + 1; i++)" look like "for (i = 1; i <= num; i++)".
Programmers worldwide rejoiced and used the operand, e.g. in the thread
"[PATCH] remove ugliness in cel_filters.c", and He saw that it was good.

Originally committed as revision 20489 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Ronald S. Bultje 15 years ago
parent 5c3c0e3f2e
commit b1ade3d182
  1. 15
      libavcodec/celp_filters.c

@ -67,12 +67,9 @@ int ff_celp_lp_synthesis_filter(int16_t *out,
{
int i,n;
// Avoids a +1 in the inner loop.
filter_length++;
for (n = 0; n < buffer_length; n++) {
int sum = rounder;
for (i = 1; i < filter_length; i++)
for (i = 1; i <= filter_length; i++)
sum -= filter_coeffs[i-1] * out[n-i];
sum = (sum >> 12) + in[n];
@ -96,12 +93,9 @@ void ff_celp_lp_synthesis_filterf(float *out,
{
int i,n;
// Avoids a +1 in the inner loop.
filter_length++;
for (n = 0; n < buffer_length; n++) {
out[n] = in[n];
for (i = 1; i < filter_length; i++)
for (i = 1; i <= filter_length; i++)
out[n] -= filter_coeffs[i-1] * out[n-i];
}
}
@ -114,12 +108,9 @@ void ff_celp_lp_zero_synthesis_filterf(float *out,
{
int i,n;
// Avoids a +1 in the inner loop.
filter_length++;
for (n = 0; n < buffer_length; n++) {
out[n] = in[n];
for (i = 1; i < filter_length; i++)
for (i = 1; i <= filter_length; i++)
out[n] += filter_coeffs[i-1] * in[n-i];
}
}

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