1#!/usr/bin/env bash
2set -e
3
4# SoX Resampler Library       Copyright (c) 2007-16 robs@users.sourceforge.net
5# Licence for this file: LGPL v2.1                  See LICENCE for details.
6
7# Tests IO
8
9
10
11ir=65537
12or=44100
13len=16
14f=1/32768
15g=32768:0
16tool=./3-options-input-fn
17w=$(echo -e "`sox --ver |sed 's/.*SoX v//'` d\n14.4.1 k"|sort -Vr|head -1|sed 's/.* //')
18
19types=(f32 f64 s32 s16)
20
21zs=(180 180 180 180 180 120 120 120 120)
22
23do_one() {
24  it=${types[$1]}; ot=${types[`expr $2 % 4 || true`]}
25  $tool $ir $or $c $1 $2 $3 < $c.$it > a.$ot
26  sox -r $or -c $c a.$ot -n spectrogram -X50 -hw$w -z${zs[$n]} -o io$c$n-$w.png -c "io-test i:$it o:$ot ($2) q:$3"
27  ./4-split-channels $ir $or $c $1 $2 $3 < $c.$it > b.$ot
28  [ $2 != 3 ] && cmp a.$ot b.$ot ||
29    test $(sox -mv-1 -r$or -c$c a.$ot -r$or -c$c b.$ot -n stats 2>&1 |grep Pk\ l|tr ' ' '\n'|grep '[0-9]'|uniq) = -84.29
30  rm [ab].$ot
31  n=`expr $n + 1`
32}
33
34test z$1 != z && j=$1 || j=1
35
36for c in `seq 1 $j`; do
37  for n in `seq 0 3`; do
38    sox -R -r $ir -n $c.${types[$n]} synth $len sin $f gain -.1
39  done
40
41  n=0
42  do_one 1 2 5
43  do_one 2 0 5
44  for m in `seq 0 3`; do do_one $m $m 5; done
45  do_one 3 2 3
46  do_one 0 3 3
47  do_one 0 11 3
48
49  f="$f sin $g"
50  g=0+32768
51done
52
53rm ?.[sf][0-9][0-9]
54
55
56
57# Check conversion between differing I/O types, but no rate-change:
58
59for i in 1 2 3; do
60  prev=""
61  sox -n -c $i 0.f32 synth $len gain -.1
62  $tool 1 1 $i 0 2 < 0.f32 | $tool 1 1 $i 2 0 > 1.f32
63  cmp [01].f32
64done
65rm *.f32
66