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Add commented-out unoptimized code to improve readability

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Originally committed as revision 22136 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2010-03-01 19:56:51 +00:00
parent 8a4d067dfc
commit efb0102fef
1 changed files with 8 additions and 0 deletions
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8
libavcodec/celp_filters.c
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@ -86,6 +86,13 @@ void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs,
{ {
int i,n; int i,n;
#if 0 // Unoptimized code patch for improved readability
for (n = 0; n < buffer_length; n++) {
out[n] = in[n];
for (i = 1; i <= filter_length; i++)
out[n] -= filter_coeffs[i-1] * out[n-i];
}
#else
float out0, out1, out2, out3; float out0, out1, out2, out3;
float old_out0, old_out1, old_out2, old_out3; float old_out0, old_out1, old_out2, old_out3;
float a,b,c; float a,b,c;
@ -186,6 +193,7 @@ void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs,
for (i = 1; i <= filter_length; i++) for (i = 1; i <= filter_length; i++)
out[n] -= filter_coeffs[i-1] * out[n-i]; out[n] -= filter_coeffs[i-1] * out[n-i];
} }
#endif
} }
void ff_celp_lp_zero_synthesis_filterf(float *out, const float *filter_coeffs, void ff_celp_lp_zero_synthesis_filterf(float *out, const float *filter_coeffs,