c->phase_mask= phase_count-1;
c->linear= linear;
- c->filter_length= ceil(filter_size/factor);
+ c->filter_length= FFMAX(ceil(filter_size/factor), 1);
c->filter_bank= av_mallocz(c->filter_length*(phase_count+1)*sizeof(FELEM));
av_build_filter(c->filter_bank, factor, c->filter_length, phase_count, 1<<FILTER_SHIFT, 1);
memcpy(&c->filter_bank[c->filter_length*phase_count+1], c->filter_bank, (c->filter_length-1)*sizeof(FELEM));
int dst_incr= c->dst_incr / c->src_incr;
int compensation_distance= c->compensation_distance;
+ if(compensation_distance == 0 && c->filter_length == 1 && c->phase_shift==0){
+ assert(index >= 0);
+ for(dst_index=0; dst_index < dst_size; dst_index++){
+ if(index < src_size)
+ dst[dst_index] = src[index];
+ else
+ break;
+
+ frac += dst_incr_frac;
+ index += dst_incr;
+ if(frac >= c->src_incr){
+ frac -= c->src_incr;
+ index++;
+ }
+ }
+ }else{
for(dst_index=0; dst_index < dst_size; dst_index++){
FELEM *filter= c->filter_bank + c->filter_length*(index & c->phase_mask);
int sample_index= index >> c->phase_shift;
dst_incr= c->ideal_dst_incr / c->src_incr;
}
}
+ }
*consumed= FFMAX(index, 0) >> c->phase_shift;
if(index>=0) index &= c->phase_mask;