From 19342bc725025a572c3e0bf1a3f27ba310d50d5c Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 25 Mar 2012 05:37:26 +0200
Subject: [PATCH] swr: test partial flushing
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libswresample/swresample_test.c | 27 +++++++++++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/libswresample/swresample_test.c b/libswresample/swresample_test.c
index d41b964ba4c..9dd9f44607c 100644
--- a/libswresample/swresample_test.c
+++ b/libswresample/swresample_test.c
@@ -67,6 +67,18 @@ static void set(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFor
}
}
+static void shift(uint8_t *a[], int index, int ch_count, enum AVSampleFormat f){
+ int i, ch;
+
+ if(av_sample_fmt_is_planar(f)){
+ f= av_get_alt_sample_fmt(f, 0);
+ for(ch= 0; ch<ch_count; ch++)
+ a[ch] += index*av_get_bytes_per_sample(f);
+ }else{
+ a[0] += index*ch_count*av_get_bytes_per_sample(f);
+ }
+}
+
uint64_t layouts[]={
AV_CH_LAYOUT_MONO ,
AV_CH_LAYOUT_STEREO ,
@@ -109,10 +121,16 @@ int main(int argc, char **argv){
uint8_t *ain[SWR_CH_MAX];
uint8_t *aout[SWR_CH_MAX];
uint8_t *amid[SWR_CH_MAX];
+ int flush_i=0;
struct SwrContext * forw_ctx= NULL;
struct SwrContext *backw_ctx= NULL;
+ in_sample_rate=16000;
+ for(osr=0; osr<5; osr++){
+ out_sample_rate= sample_rates[osr];
+ }
+
in_sample_rate=16000;
for(osr=0; osr<5; osr++){
out_sample_rate= sample_rates[osr];
@@ -178,7 +196,12 @@ 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);
+ flush_i++;
+ flush_i%=21;
+ flush_count = swr_convert(backw_ctx,aout, flush_i, 0, 0);
+ shift(aout, flush_i, in_ch_count, in_sample_fmt);
+ flush_count+= swr_convert(backw_ctx,aout, SAMPLES-flush_i, 0, 0);
+ shift(aout, -flush_i, in_ch_count, in_sample_fmt);
if(flush_count){
for(ch=0; ch<in_ch_count; ch++){
double sse, x, maxdiff=0;
@@ -200,7 +223,7 @@ int main(int argc, char **argv){
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, "[%f %f %f] len:%5d F:%3d\n", sqrt(sse/flush_count), x, maxdiff, flush_count, flush_i);
}
}
--
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