add MD% hash generation script in python for cross-platform use

#   (C) 2022-2025 IVAS codec Public Collaboration with portions copyright Dolby International AB, Ericsson AB,

#   Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,

#   Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,

#   Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other

#   contributors to this repository. All Rights Reserved.

#   This software is protected by copyright law and by international treaties.

#   The IVAS codec Public Collaboration consisting of Dolby International AB, Ericsson AB,

#   Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,

#   Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,

#   Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other

#   contributors to this repository retain full ownership rights in their respective contributions in

#   the software. This notice grants no license of any kind, including but not limited to patent

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#   contributions.

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#   the United Nations Convention on Contracts on the International Sales of Goods.

param(

    [Parameter(Mandatory)]

    [String]$proc_output_dir,

    [Parameter(Mandatory)]

    [String]$out_file

)

(Get-ChildItem $proc_output_dir -Recurse | Where-Object { $_.Name -like '*c??.wav' }) | 

ForEach-Object { 

    $name = $_.Name

    $hash = (Get-FileHash $_.FullName -Algorithm MD5).Hash

    "$name $hash" >> $out_file

} 

 No newline at end of file

#!/bin/sh

#   (C) 2022-2025 IVAS codec Public Collaboration with portions copyright Dolby International AB, Ericsson AB,

#! /usr/bin/env python3

#   (C) 2022-2024 IVAS codec Public Collaboration with portions copyright Dolby International AB, Ericsson AB,

#   Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,

#   Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,

#   Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other

#   accordance with the laws of the Federal Republic of Germany excluding its conflict of law rules and

#   the United Nations Convention on Contracts on the International Sales of Goods.

# simple script to create MD5 files as if produced by Microsoft Powershell

# run from within proc_output_x folder

if [ $# -lt 2 ]; then

    echo "Usage: $0 proc_output_dir testname.md5"

    echo "Requires: md5sum (Linux) or md5 (macOS)"

    exit 1

fi

system=$(uname -s)

if [ "$system" = "Darwin" ]; then

    md5="md5 -r"

else

    md5=md5sum

fi

tmpfile=`mktemp`

echo "" > $tmpfile

for f in $(find $1 -name "*c??.wav"); do

    echo ${f##*/} $($md5 $f | awk '{ print toupper($1) }') >> $tmpfile

done

cat $tmpfile | sort > $2

rm -f $tmpfile

import argparse

from pathlib import Path

from hashlib import md5

def get_hash_line_for_file(file: Path, experiment_dir: Path):

    with open(file, "rb") as f:

        hash = md5(f.read()).hexdigest()

    filepath = file.relative_to(experiment_dir)

    # always print forward slashes even on windows to be able to diff the result files

    hashline = f"{str(filepath.as_posix())} {hash}\n"

    return hashline

def main(experiment_dir, out_file):

    wav_files = sorted(experiment_dir.glob("proc_output*/**/*c??.wav"))

    hashlines = [get_hash_line_for_file(f, experiment_dir) for f in wav_files]

    with open(out_file, "w") as f:

        f.writelines(hashlines)

if __name__ == "__main__":

    parser = argparse.ArgumentParser(

        description="Cross-platform script for generating MD5 hashes of output files for the characterization testing experiments."

    )

    parser.add_argument(

        "experiment_dir",

        type=Path,

        help="Directory of the respective experiment (e.g. experiments/characterization/P800-12",

    )

    parser.add_argument(

        "out_file", type=Path, help="Output text file with filenames and Hashes"

    )

    args = parser.parse_args()

    main(args.experiment_dir, args.out_file)