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Rename subframe_size to a name that is not specific to some specific use

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of ff_acelp_convolve_circ()

Originally committed as revision 14894 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-08-21 22:41:20 +00:00
parent 2bbd3434bc
commit 5038ecb1f1
2 changed files with 6 additions and 6 deletions
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10
libavcodec/acelp_filters.c
View File

@ -85,22 +85,22 @@ void ff_acelp_convolve_circ(
int16_t* fc_out, int16_t* fc_out,
const int16_t* fc_in, const int16_t* fc_in,
const int16_t* filter, const int16_t* filter,
int subframe_size) int len)
{ {
int i, k; int i, k;
memset(fc_out, 0, subframe_size * sizeof(int16_t)); memset(fc_out, 0, len * sizeof(int16_t));
/* Since there are few pulses over an entire subframe (i.e. almost /* Since there are few pulses over an entire subframe (i.e. almost
all fc_in[i] are zero) it is faster to loop over fc_in first. */ all fc_in[i] are zero) it is faster to loop over fc_in first. */
for(i=0; i<subframe_size; i++) for(i=0; i<len; i++)
{ {
if(fc_in[i]) if(fc_in[i])
{ {
for(k=0; k<i; k++) for(k=0; k<i; k++)
fc_out[k] += (fc_in[i] * filter[subframe_size + k - i]) >> 15; fc_out[k] += (fc_in[i] * filter[len + k - i]) >> 15;
for(k=i; k<subframe_size; k++) for(k=i; k<len; k++)
fc_out[k] += (fc_in[i] * filter[k - i]) >> 15; fc_out[k] += (fc_in[i] * filter[k - i]) >> 15;
} }
} }

2
libavcodec/acelp_filters.h
View File

@ -75,7 +75,7 @@ void ff_acelp_convolve_circ(
int16_t* fc_out, int16_t* fc_out,
const int16_t* fc_in, const int16_t* fc_in,
const int16_t* filter, const int16_t* filter,
int subframe_size); int len);
/** /**
* LP synthesis filter. * LP synthesis filter.