mirror of https://github.com/xiph/flac
47 lines
1.5 KiB
Bash
Executable File
47 lines
1.5 KiB
Bash
Executable File
#!/bin/sh -e
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# FLAC - Free Lossless Audio Codec
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# Copyright (C) 2012-2024 Xiph.Org Foundation
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#
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# This file is part the FLAC project. FLAC is comprised of several
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# components distributed under different licenses. The codec libraries
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# are distributed under Xiph.Org's BSD-like license (see the file
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# COPYING.Xiph in this distribution). All other programs, libraries, and
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# plugins are distributed under the GPL (see COPYING.GPL). The documentation
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# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
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# FLAC distribution contains at the top the terms under which it may be
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# distributed.
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#
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# Since this particular file is relevant to all components of FLAC,
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# it may be distributed under the Xiph.Org license, which is the least
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# restrictive of those mentioned above. See the file COPYING.Xiph in this
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# distribution.
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. ./common.sh
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PATH="$(pwd)/../src/flac:$PATH"
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printf "Using FLAC binary : %s\n" "$(command -v flac)"
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date="$(date "+%Y%m%dT%H%M%S")"
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fname="comp${date}.flac"
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last_k=0
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last_size=$(wc -c < noisy-sine.wav)
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echo "Original file size ${last_size} bytes."
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for k in 0 1 2 3 4 5 6 7 8 ; do
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flac${EXE} -${k} --silent noisy-sine.wav -o ${fname}
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size=$(wc -c < ${fname})
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echo "Compression level ${k}, file size ${size} bytes."
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if test ${last_size} -lt ${size} ; then
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echo "Error : Compression ${last_k} size ${last_size} >= compression ${k} size ${size}."
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exit 1
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fi
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# Need this because OSX's 'wc -c' returns a number with leading whitespace.
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last_size=$((size+10))
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last_k=${k}
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rm -f ${fname}
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done
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