Create windows explorer ffmpeg context menu entries

quick_ffmpeg_explorer.py

# 1. Change paths in the "template" variable, be sure to have to correct number of backslashes
# 2. python quick_ffmpeg_explorer.py > quick_ffmpeg_explorer.reg
# 3. Double click the "quick_ffmpeg_explorer.reg" file

import re

structure = {
    '00_FFMPEG': {
        'keys': { 'SubCommands': '', 'MUIVerb': 'FFMPEG' },
        'folders': {
            'shell': {
                'folders': {
                    '00_to_gif':           {'args': {'post_args': '-loop 0', "ext": "gif"}, 'keys': {'MUIVerb': 'to .gif'}},
                    '01_to_webp':          {'args': {"ext": "webp"}, 'keys': {'MUIVerb': 'to .webp'}},
                    '02_to_looped_webp':   {'args': {'post_args': '-loop 0', "ext": "webp"}, 'keys': {'MUIVerb': 'to looped .webp'}},
                    '03_to_webm':          {'args': {"ext": "webm"}, 'keys': {'MUIVerb': 'to .webm'}},
                    '04_to_mp4':           {'args': {'post_args': '-vcodec libx264 -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4'}},
                    '05_to_mp4_hevc':      {'args': {'post_args': '-vcodec libx265 -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (HEVC)'}},
                    '06_to_mp3':           {'args': {'post_args': '-preset fast', "ext": "mp3"}, 'keys': {'MUIVerb': 'to .mp3'}},
                    '07_to_flac':          {'args': {'post_args': '-preset fast', "ext": "flac"}, 'keys': {'MUIVerb': 'to .flac'}},
                    '08_extract_1_frame':  {'args': {'post_args': '-vframes 1', "ext": "jpg", 'filename_addon': '_frame_1'}, 'keys': {'MUIVerb': 'Extract 1st frame (JPG)'}},
                    '09_extract_x_frame':  {'args': {'pre_command': 'md -Force &quot&basename-frames&quot && ', 'full_filename': '&quot&basename-frames/image-%%05d.jpg&quot'}, 'keys': {'MUIVerb': 'Extract all frame (JPG)'}},
                    '10_extract_x_frame_p':{'args': {'pre_command': 'md -Force &quot&basename-frames&quot && ', 'full_filename': '&quot&basename-frames/image-%%05d.png&quot'}, 'keys': {'MUIVerb': 'Extract all frame (PNG)'}},
                },
            }
        }
    },
    '01_FFMPEG_extended': {
        'keys': { 'SubCommands': '', 'MUIVerb': 'FFMPEG h264' },
        'folders': {
            'shell': {
                'folders': {
                    '00_to_mp4_h264_copy':             {'args': {'post_args': '-c copy', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (copy)'}},
                    '01_to_mp4_h264_CPU_slow':         {'args': {'post_args': '-vcodec libx264 -preset slow', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (CPU slow)'}},
                    '02_to_mp4_h264_CPU':              {'args': {'post_args': '-vcodec libx264', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (CPU)'}},
                    '03_to_mp4_h264_CPU_fast':         {'args': {'post_args': '-vcodec libx264 -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (CPU fast)'}},
                    '04_to_mp4_h264_GPU_slow':         {'args': {'post_args': '-vcodec h264_nvenc -preset slow', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (GPU slow)'}},
                    '05_to_mp4_h264_GPU':              {'args': {'post_args': '-vcodec h264_nvenc', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (GPU)'}},
                    '06_to_mp4_h264_GPU_fast':         {'args': {'post_args': '-vcodec h264_nvenc -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (GPU fast)'}},
                    '07_to_mp4_h264_FULL_GPU_slow':    {'args': {'pre_args': '-hwaccel cuda -hwaccel_output_format cuda', 'post_args': '-vcodec h264_nvenc -preset slow', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (FULL GPU slow)'}},
                    '09_to_mp4_h264_FULL_GPU':         {'args': {'pre_args': '-hwaccel cuda -hwaccel_output_format cuda', 'post_args': '-vcodec h264_nvenc', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (FULL GPU)'}},
                    '10_to_mp4_h264_FULL_GPU_fast':    {'args': {'pre_args': '-hwaccel cuda -hwaccel_output_format cuda', 'post_args': '-vcodec h264_nvenc -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (FULL GPU fast)'}},
                },
            }
        }
    },
    '02_FFMPEG_extended': {
        'keys': { 'SubCommands': '', 'MUIVerb': 'FFMPEG hevc' },
        'folders': {
            'shell': {
                'folders': {
                    '00_to_mp4_hevc_CPU_copy':         {'args': {'post_args': '-c copy', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (copy)'}},
                    '01_to_mp4_hevc_CPU_slow':         {'args': {'post_args': '-vcodec libx265 -preset slow', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (CPU slow)'}},
                    '02_to_mp4_hevc_CPU':              {'args': {'post_args': '-vcodec libx265', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (CPU)'}},
                    '03_to_mp4_hevc_CPU_fast':         {'args': {'post_args': '-vcodec libx265 -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (CPU fast)'}},
                    '04_to_mp4_hevc_GPU_slow':         {'args': {'post_args': '-vcodec hevc_nvenc -preset slow', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (GPU slow)'}},
                    '05_to_mp4_hevc_GPU':              {'args': {'post_args': '-vcodec hevc_nvenc', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (GPU)'}},
                    '06_to_mp4_hevc_GPU_fast':         {'args': {'post_args': '-vcodec hevc_nvenc -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (GPU fast)'}},
                    '07_to_mp4_hevc_FULL_GPU_slow':    {'args': {'pre_args': '-hwaccel cuda -hwaccel_output_format cuda', 'post_args': '-vcodec hevc_nvenc -preset slow', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (FULL GPU slow)'}},
                    '08_to_mp4_hevc_FULL_GPU':         {'args': {'pre_args': '-hwaccel cuda -hwaccel_output_format cuda', 'post_args': '-vcodec hevc_nvenc', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (FULL GPU)'}},
                    '09_to_mp4_hevc_FULL_GPU_fast':    {'args': {'pre_args': '-hwaccel cuda -hwaccel_output_format cuda', 'post_args': '-vcodec hevc_nvenc -preset fast', "ext": "mp4"}, 'keys': {'MUIVerb': 'to .mp4 (FULL GPU fast)'}},
                },
            }
        }
    },
}

basename = '$((Get-Item &quot%V&quot).basename)'
filename_template = '&quot&basename{filename_addon}.{ext}&quot'
template = 'C:\\\\Users\\\\nicko\\\\AppData\\\\Local\\\\Microsoft\\\\WindowsApps\\\\Microsoft.PowerShellPreview_8wekyb3d8bbwe\\\\pwsh.exe -c \\"[console]::WindowWidth=100; {pre_command}C:\\\\ProgramData\\\\scoop\\\\shims\\\\ffmpeg.EXE {pre_args} -i &quot%V&quot {post_args} -y {full_filename} || pause\\"'

print('Windows Registry Editor Version 5.00\n')


def construct_command(title, options):
    default = {
        'pre_args': '',
        'post_args': '',
        'filename_addon': '',
        'ext': '',
        'pre_command': '',
    }

    if '(' in title:
        default['filename_addon'] = '_' + re.findall('\((.*)\)', title)[0].replace(' ', '_')

    default.update(options)
    if 'full_filename' not in options:
        default['full_filename'] = filename_template.format(**default)
    return template.format(**default).replace('&basename', basename).replace('&quot', '\\\\\\"')


def print_shiz(options, location=''):
    for key, item in options.items():
        args = item.pop('args', None)
        folders = item.pop('folders', None)
        keys = item.pop('keys', None)

        if not location:
            print(f'[-HKEY_CLASSES_ROOT\\*\\shell{location}\\{key}]')
        print(f'[HKEY_CLASSES_ROOT\\*\\shell{location}\\{key}]')

        if keys:
            for entry_name, entry_value in keys.items():
                if entry_value.startswith(('dword:')):
                    print(f'"{entry_name}"={entry_value}')
                else:
                    print(f'"{entry_name}"="{entry_value}"')

        if folders:
            print()
            print_shiz(folders, f'{location}\\{key}')

        if args:
            print()
            print(f'[HKEY_CLASSES_ROOT\\*\\shell{location}\\{key}\\command]')

            command = construct_command(keys.get('MUIVerb', ''), args)

            print(f'@="{command}"')
            print()


print_shiz(structure)