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swr-test: test flushing 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-04 16:32:31 +01:00
parent 71f5712cb5
commit 813b20a39f
1 changed files with 29 additions and 1 deletions
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30
libswresample/swresample_test.c
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@ -99,7 +99,7 @@ static void setup_array(uint8_t *out[SWR_CH_MAX], uint8_t *in, enum AVSampleForm
}
int main(int argc, char **argv){
int in_sample_rate, out_sample_rate, ch ,i, in_ch_layout_index, out_ch_layout_index, osr;
int in_sample_rate, out_sample_rate, ch ,i, in_ch_layout_index, out_ch_layout_index, osr, flush_count;
uint64_t in_ch_layout, out_ch_layout;
enum AVSampleFormat in_sample_fmt, out_sample_fmt;
int sample_rates[]={8000,11025,16000,22050,32000};
@ -175,6 +175,34 @@ int main(int argc, char **argv){
fprintf(stderr, "[%f %f %f] len:%5d\n", sqrt(sse/out_count), x, maxdiff, out_count);
}
flush_count=swr_convert(backw_ctx,aout, SAMPLES, 0, 0);
if(flush_count){
for(ch=0; ch<in_ch_count; ch++){
double sse, x, maxdiff=0;
double sum_a= 0;
double sum_b= 0;
double sum_aa= 0;
double sum_bb= 0;
double sum_ab= 0;
for(i=0; i<flush_count; i++){
double a= get(ain , ch, i+out_count, in_ch_count, in_sample_fmt+planar_in);
double b= get(aout, ch, i, in_ch_count, in_sample_fmt);
sum_a += a;
sum_b += b;
sum_aa+= a*a;
sum_bb+= b*b;
sum_ab+= a*b;
maxdiff= FFMAX(maxdiff, FFABS(a-b));
}
x = sum_ab/sum_bb;
sse= sum_aa + sum_bb*x*x - 2*x*sum_ab;
fprintf(stderr, "[%f %f %f] len:%5d\n", sqrt(sse/flush_count), x, maxdiff, flush_count);
}
}
fprintf(stderr, "\n");
}
}