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|
#!/bin/bash
#
# MOC - music on console
# Copyright (C) 2004-2005 Damian Pietras <daper@daper.net>
#
# maketests.sh Copyright (C) 2012 John Fitzgerald
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
#
# TODO: - Add other supported formats.
#
AUDIO=false
VIDEO=false
FFMPEG="$(which avconv 2>/dev/null || which ffmpeg 2>/dev/null)"
SOX="$(which sox 2>/dev/null)"
SYNTH="synth 10 sine 440 vol 0.5"
# Clean error termination.
function die {
echo $@ > /dev/stderr
exit 1
}
[[ -x "$SOX" ]] || die This script requires the SoX package.
# Provide usage information.
function usage () {
echo "Usage: ${0##*/} [-a] [--audio] [-h] [--video] [FORMAT ...]"
}
# Provide help information.
function help () {
echo
echo "MOC test file generation tool"
echo
usage
echo
echo " -a|--all Generate all formats"
echo " --audio Generate all audio formats"
echo " -h|--help This help information"
echo " --video Generate all video formats"
echo
echo "Supported audio formats: flac mp3 vorbis wav"
echo "Supported video formats: vob"
echo
}
# Generate FLAC audio test files.
function flac {
echo "Generating FLAC audio test files"
for r in 8000 16000 24000 32000 48000 96000 192000 \
11025 22050 44100 88200 176400
do
for b in 16 32
do
$SOX -b$b -c1 -r$r -e signed -n -L sinewave-s${b}le-1-$r.flac $SYNTH
$SOX -b$b -c2 -r$r -e signed -n -L sinewave-s${b}le-2-$r.flac $SYNTH
done
done
}
# Generate MP3 audio test files.
function mp3 {
echo "Generating MP3 audio test files"
for r in 8000 16000 24000 32000 48000 11025 22050 44100
do
for c in 1 2
do
$SOX -b8 -c$c -r$r -n sinewave-u8-$c-$r.mp3 $SYNTH
for b in 16 24 32
do
$SOX -b$b -c$c -r$r -n -L sinewave-s${b}le-$c-$r.mp3 $SYNTH
$SOX -b$b -c$c -r$r -n -B sinewave-s${b}be-$c-$r.mp3 $SYNTH
done
done
done
}
# Generate VOB video test files.
function vob {
[[ -x "$FFMPEG" ]] || return
echo "Generating VOB video test files"
for r in 16000 22050 24000 32000 44100 48000
do
for c in 1 2
do
$FFMPEG -f rawvideo -pix_fmt yuv420p -s 320x240 -r 30000/1001 \
-i /dev/zero \
-f s16le -c pcm_s16le -ac 2 -ar 48000 \
-i <($SOX -q -b16 -c2 -r 48000 -e signed -n -L -t s16 - $SYNTH) \
-vcodec mpeg2video -acodec mp2 -shortest -ac $c -ar $r \
-y sinewave-s16le-$c-$r.vob > /dev/null 2>&1
done
done
}
# Generate Ogg/Vorbis audio test files.
function vorbis {
echo "Generating Ogg/Vorbis audio test files"
for r in 8000 16000 24000 32000 48000 96000 192000 \
11025 22050 44100 88200 176400
do
$SOX -b16 -c1 -r$r -e signed -n -L sinewave-s16le-1-$r.ogg $SYNTH
$SOX -b16 -c2 -r$r -e signed -n -L sinewave-s16le-2-$r.ogg $SYNTH
done
}
# Generate WAV audio test files.
function wav {
echo "Generating WAV audio test files"
for r in 8000 16000 24000 32000 48000 96000 192000 \
11025 22050 44100 88200 176400
do
for c in 1 2
do
$SOX -b8 -c$c -r$r -n sinewave-u8-$c-$r.wav $SYNTH
$SOX -b16 -c$c -r$r -n -B sinewave-s16be-$c-$r.wav $SYNTH
for b in 16 24 32
do
$SOX -b$b -c$c -r$r -n -L sinewave-s${b}le-$c-$r.wav $SYNTH
done
done
done
}
# Directory safety check.
ls sinewave-* > /dev/null 2>&1 && {
echo
echo "This script generates many filenames starting with 'sinewave-' in the"
echo "current directory which already contains similarly named files."
echo "Running it in this directory is a really, really bad idea. (In fact,"
echo "it's probably not wise to run this script in a non-empty directory at"
echo "all.) So we're aborting in the interests of safety."
echo
exit 1
} > /dev/stderr
# Process command line options.
for OPTS
do
case $1 in
-a|--all) AUDIO=true
VIDEO=true
;;
--audio) AUDIO=true
;;
-h|--help) help
exit 0
;;
--video) VIDEO=true
;;
-*) echo Unrecognised option: $1
usage > /dev/stderr
exit 1
;;
*) break
;;
esac
shift
done
# Generate all audio formats.
$AUDIO && {
flac
mp3
vorbis
wav
}
# Generate all video formats.
$VIDEO && {
vob
}
# Generate specified formats.
for ARGS
do
case $1 in
flac|mp3|vorbis|wav)
$1
;;
vob)
$1
;;
*) echo "*** Unsupported format: $1"
echo
;;
esac
shift
done
exit 0
|
