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Stefan Westerfeld
audiowmark
Commits
853a6c83
Commit
853a6c83
authored
Dec 12, 2018
by
Stefan Westerfeld
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Support AWM_SEEDS for testing with multiple --seed values.
Signed-off-by:
Stefan Westerfeld
<
stefan@space.twc.de
>
parent
5f6ac66c
Changes
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ber-test.sh
src/ber-test.sh
+51
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src/ber-test.sh
View file @
853a6c83
...
...
@@ -5,6 +5,9 @@ TRANSFORM=$1
if
[
"x
$AWM_SET
"
==
"x"
]
;
then
AWM_SET
=
small
fi
if
[
"x
$AWM_SEEDS
"
==
"x"
]
;
then
AWM_SEEDS
=
0
fi
{
if
[
"x
$AWM_SET
"
==
"xsmall"
]
;
then
...
...
@@ -17,54 +20,57 @@ fi
fi
}
|
while
read
i
do
echo
$i
audiowmark add
"
$i
"
t.wav
$PATTERN
$AWM_PARAMS
>
/dev/null
if
[
"x
$TRANSFORM
"
==
"xmp3"
]
;
then
if
[
"x
$2
"
==
"x"
]
;
then
echo
"need mp3 bitrate"
>
&2
exit
1
fi
lame
-b
$2
t.wav t.mp3
--quiet
rm
t.wav
ffmpeg
-i
t.mp3 t.wav
-v
quiet
-nostdin
for
SEED
in
$AWM_SEEDS
do
echo
$i
audiowmark add
"
$i
"
t.wav
$PATTERN
$AWM_PARAMS
--seed
$SEED
>
/dev/null
if
[
"x
$TRANSFORM
"
==
"xmp3"
]
;
then
if
[
"x
$2
"
==
"x"
]
;
then
echo
"need mp3 bitrate"
>
&2
exit
1
fi
lame
-b
$2
t.wav t.mp3
--quiet
rm
t.wav
ffmpeg
-i
t.mp3 t.wav
-v
quiet
-nostdin
# some (low) mpeg quality settings use a lower sample rate
if
[
"x
$(
soxi
-r
t.wav
)
"
!=
"x44100"
]
;
then
sox t.wav tr.wav rate 44100
mv
tr.wav t.wav
fi
elif
[
"x
$TRANSFORM
"
==
"xdouble-mp3"
]
;
then
if
[
"x
$2
"
==
"x"
]
;
then
echo
"need mp3 bitrate"
>
&2
exit
1
fi
# first mp3 step (fixed bitrate)
lame
-b
128 t.wav t.mp3
--quiet
rm
t.wav
ffmpeg
-i
t.mp3 t.wav
-v
quiet
-nostdin
# some (low) mpeg quality settings use a lower sample rate
if
[
"x
$(
soxi
-r
t.wav
)
"
!=
"x44100"
]
;
then
sox t.wav tr.wav rate 44100
mv
tr.wav t.wav
fi
elif
[
"x
$TRANSFORM
"
==
"xdouble-mp3"
]
;
then
if
[
"x
$2
"
==
"x"
]
;
then
echo
"need mp3 bitrate"
>
&2
exit
1
fi
# first mp3 step (fixed bitrate)
lame
-b
128 t.wav t.mp3
--quiet
rm
t.wav
ffmpeg
-i
t.mp3 t.wav
-v
quiet
-nostdin
# second mp3 step
lame
-b
$2
t.wav t.mp3
--quiet
rm
t.wav
ffmpeg
-i
t.mp3 t.wav
-v
quiet
-nostdin
# second mp3 step
lame
-b
$2
t.wav t.mp3
--quiet
rm
t.wav
ffmpeg
-i
t.mp3 t.wav
-v
quiet
-nostdin
# some (low) mpeg quality settings use a lower sample rate
if
[
"x
$(
soxi
-r
t.wav
)
"
!=
"x44100"
]
;
then
sox t.wav tr.wav rate 44100
mv
tr.wav t.wav
fi
elif
[
"x
$TRANSFORM
"
==
"xogg"
]
;
then
if
[
"x
$2
"
==
"x"
]
;
then
echo
"need ogg bitrate"
>
&2
# some (low) mpeg quality settings use a lower sample rate
if
[
"x
$(
soxi
-r
t.wav
)
"
!=
"x44100"
]
;
then
sox t.wav tr.wav rate 44100
mv
tr.wav t.wav
fi
elif
[
"x
$TRANSFORM
"
==
"xogg"
]
;
then
if
[
"x
$2
"
==
"x"
]
;
then
echo
"need ogg bitrate"
>
&2
exit
1
fi
oggenc
-b
$2
t.wav
-o
t.ogg
--quiet
oggdec t.ogg
-o
t.wav
--quiet
elif
[
"x
$TRANSFORM
"
==
"x"
]
;
then
:
else
echo
"unknown transform
$TRANSFORM
"
>
&2
exit
1
fi
oggenc
-b
$2
t.wav
-o
t.ogg
--quiet
oggdec t.ogg
-o
t.wav
--quiet
elif
[
"x
$TRANSFORM
"
==
"x"
]
;
then
:
else
echo
"unknown transform
$TRANSFORM
"
>
&2
exit
1
fi
audiowmark cmp t.wav
$PATTERN
$AWM_PARAMS
audiowmark cmp t.wav
$PATTERN
$AWM_PARAMS
--seed
$SEED
done
done
|
grep
bit_error_rate |
awk
'{ er += $2; n++; if ($2 > max_er) max_er = $2;} END { print er / n, max_er; }'
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