From 813b20a39f27522a9d6f2068d36b9ae40ce458a5 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 4 Nov 2011 16:32:31 +0100
Subject: [PATCH] swr-test: test flushing
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libswresample/swresample_test.c | 30 +++++++++++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/libswresample/swresample_test.c b/libswresample/swresample_test.c
index 61e1b093673..49723cdeac9 100644
--- a/libswresample/swresample_test.c
+++ b/libswresample/swresample_test.c
@@ -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");
}
}
--
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