rework descriptors raw

.gitignore

@@ -0,0 +1,2 @@
+__pycache__
+junk/

bin/.ipynb_checkpoints/check-checkpoint.py

@@ -0,0 +1,32 @@
+import os
+
+from ffx.pattern_controller import PatternController
+
+from ffx.model.show import Base
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey
+from sqlalchemy.orm import relationship, sessionmaker, Mapped, backref
+
+filename = 'Boruto.Naruto.Next.Generations.S01E256.GerEngSub.AAC.1080p.WebDL.x264-Tanuki.mkv'
+
+
+
+# Data 'input' variable
+context = {}
+
+# Initialize DB
+homeDir = os.path.expanduser("~")
+ffxVarDir = os.path.join(homeDir, '.local', 'var', 'ffx')
+if not os.path.exists(ffxVarDir):
+    os.makedirs(ffxVarDir)
+
+context['database_url'] = f"sqlite:///{os.path.join(ffxVarDir, 'ffx.db')}"
+context['database_engine'] = create_engine(context['database_url'])
+context['database_session'] = sessionmaker(bind=context['database_engine'])
+
+Base.metadata.create_all(context['database_engine'])
+
+
+pc = PatternController(context)
+
+
+print(pc.matchFilename(filename))

bin/.ipynb_checkpoints/ffx-checkpoint.py

@@ -0,0 +1,554 @@
+#! /usr/bin/python3
+
+import os, sys, subprocess, json, click, time, re
+
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label
+
+
+VERSION='0.1.0'
+
+DEFAULT_VIDEO_ENCODER = 'vp9'
+
+DEFAULT_QUALITY = 23
+
+DEFAULT_AV1_PRESET = 5
+
+DEFAULT_LABEL='output'
+DEFAULT_FILE_SUFFIX = 'webm'
+
+DEFAULT_STEREO_BANDWIDTH = "128"
+DEFAULT_AC3_BANDWIDTH = "256"
+DEFAULT_DTS_BANDWIDTH = "320"
+
+DEFAULT_CROP_START = 60
+DEFAULT_CROP_LENGTH = 180
+
+TEMP_FILE_NAME = "ffmpeg2pass-0.log"
+
+
+MKVMERGE_METADATA_KEYS = ['BPS',
+                            'NUMBER_OF_FRAMES',
+                            'NUMBER_OF_BYTES',
+                            '_STATISTICS_WRITING_APP',
+                            '_STATISTICS_WRITING_DATE_UTC',
+                            '_STATISTICS_TAGS']
+
+FILE_EXTENSIONS = ['mkv', 'mp4', 'avi', 'flv', 'webm']
+
+
+COMMAND_TOKENS = ['ffmpeg', '-y', '-i']
+NULL_TOKENS = ['-f', 'null', '/dev/null']
+
+STREAM_TYPE_VIDEO = 'video'
+STREAM_TYPE_AUDIO = 'audio'
+STREAM_TYPE_SUBTITLE = 'subtitle'
+
+STREAM_LAYOUT_6_1 = '6.1'
+STREAM_LAYOUT_5_1 = '5.1(side)'
+STREAM_LAYOUT_STEREO = 'stereo'
+STREAM_LAYOUT_6CH = '6ch'
+
+SEASON_EPISODE_INDICATOR_MATCH = '([sS][0-9]+)([eE][0-9]+)'
+SEASON_INDICATOR_MATCH = '([sS][0-9]+)'
+EPISODE_INDICATOR_MATCH = '([eE][0-9]+)'
+
+
+class DashboardScreen(Screen):
+
+    def __init__(self):
+        super().__init__()
+
+        context = self.app.getContext()
+        context['dashboard'] = 'dashboard'
+
+    def compose(self) -> ComposeResult:
+        yield Header(show_clock=True)
+        yield Placeholder("Dashboard Screen")
+        yield Footer()
+
+class WarningScreen(Screen):
+    def __init__(self):
+        super().__init__()
+        context = self.app.getContext()
+    def compose(self) -> ComposeResult:
+        yield Label("Warning! This file is not compliant to the defined source schema!")
+        yield Footer()
+
+
+class SettingsScreen(Screen):
+    def __init__(self):
+        super().__init__()
+        context = self.app.getContext()
+    def compose(self) -> ComposeResult:
+        yield Placeholder("Settings Screen")
+        yield Footer()
+
+
+class HelpScreen(Screen):
+    def __init__(self):
+        super().__init__()
+        context = self.app.getContext()
+    def compose(self) -> ComposeResult:
+        yield Placeholder("Help Screen")
+        yield Footer()
+
+
+class ModesApp(App):
+
+    BINDINGS = [
+        ("q", "quit()", "Quit"),  
+    #    ("d", "switch_mode('dashboard')", "Dashboard"),  
+    #    ("s", "switch_mode('settings')", "Settings"),
+    #    ("h", "switch_mode('help')", "Help"),
+    ]
+
+    MODES = {
+        "warning": WarningScreen,
+        "dashboard": DashboardScreen,  
+        "settings": SettingsScreen,
+        "help": HelpScreen,
+    }
+
+
+    def __init__(self, context = {}):
+        super().__init__()
+        self.context = context
+    
+    def on_mount(self) -> None:
+        self.switch_mode("warning")  
+
+    def getContext(self):
+        return self.context
+
+
+def executeProcess(commandSequence):
+
+    process = subprocess.Popen(commandSequence, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+    output, error = process.communicate()
+
+    return output
+
+
+
+#[{'index': 0, 'codec_name': 'vp9', 'codec_long_name': 'Google VP9', 'profile': 'Profile 0', 'codec_type': 'video', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'width': 1920, 'height': 1080, 'coded_width': 1920, 'coded_height': 1080, 'closed_captions': 0, 'film_grain': 0, 'has_b_frames': 0, 'sample_aspect_ratio': '1:1', 'display_aspect_ratio': '16:9', 'pix_fmt': 'yuv420p', 'level': -99, 'color_range': 'tv', 'chroma_location': 'left', 'field_order': 'progressive', 'refs': 1, 'r_frame_rate': '24000/1001', 'avg_frame_rate': '24000/1001', 'time_base': '1/1000', 'start_pts': 0, 'start_time': '0.000000', 'disposition': {'default': 1, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'BPS': '7974017', 'NUMBER_OF_FRAMES': '34382', 'NUMBER_OF_BYTES': '1429358655', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 libvpx-vp9', 'DURATION': '00:23:54.016000000'}}]
+#[{'index': 1, 'codec_name': 'opus', 'codec_long_name': 'Opus (Opus Interactive Audio Codec)', 'codec_type': 'audio', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'sample_fmt': 'fltp', 'sample_rate': '48000', 'channels': 2, 'channel_layout': 'stereo', 'bits_per_sample': 0, 'initial_padding': 312, 'r_frame_rate': '0/0', 'avg_frame_rate': '0/0', 'time_base': '1/1000', 'start_pts': -7, 'start_time': '-0.007000', 'extradata_size': 19, 'disposition': {'default': 1, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'language': 'jpn', 'title': 'Japanisch', 'BPS': '128000', 'NUMBER_OF_FRAMES': '61763', 'NUMBER_OF_BYTES': '22946145', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 libopus', 'DURATION': '00:23:54.141000000'}}]
+
+#[{'index': 2, 'codec_name': 'webvtt', 'codec_long_name': 'WebVTT subtitle', 'codec_type': 'subtitle', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'r_frame_rate': '0/0', 'avg_frame_rate': '0/0', 'time_base': '1/1000', 'start_pts': -7, 'start_time': '-0.007000', 'duration_ts': 1434141, 'duration': '1434.141000', 'disposition': {'default': 1, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'language': 'ger', 'title': 'Deutsch [Full]', 'BPS': '118', 'NUMBER_OF_FRAMES': '300', 'NUMBER_OF_BYTES': '21128', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 webvtt', 'DURATION': '00:23:54.010000000'}}, {'index': 3, 'codec_name': 'webvtt', 'codec_long_name': 'WebVTT subtitle', 'codec_type': 'subtitle', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'r_frame_rate': '0/0', 'avg_frame_rate': '0/0', 'time_base': '1/1000', 'start_pts': -7, 'start_time': '-0.007000', 'duration_ts': 1434141, 'duration': '1434.141000', 'disposition': {'default': 0, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'language': 'eng', 'title': 'Englisch [Full]', 'BPS': '101', 'NUMBER_OF_FRAMES': '276', 'NUMBER_OF_BYTES': '16980', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 webvtt', 'DURATION': '00:23:53.230000000'}}]
+
+
+
+def getStreamDescriptor(filename):
+
+    ffprobeOutput = executeProcess(["ffprobe",
+                                    "-show_streams",
+                                    "-of", "json",
+                                    filename])
+
+    streamData = json.loads(ffprobeOutput)['streams']
+
+    descriptor = []
+
+    i = 0
+    for d in [s for s in streamData if s['codec_type'] == STREAM_TYPE_VIDEO]:
+        descriptor.append({
+            'index': d['index'],
+            'sub_index': i,
+            'type': STREAM_TYPE_VIDEO,
+            'codec': d['codec_name']
+        })
+        i += 1
+
+    i = 0
+    for d in [s for s in streamData if s['codec_type'] == STREAM_TYPE_AUDIO]:
+
+        streamDescriptor = {
+            'index': d['index'],
+            'sub_index': i,
+            'type': STREAM_TYPE_AUDIO,
+            'codec': d['codec_name'],
+            'channels': d['channels']
+        }
+
+        if 'channel_layout' in d.keys():
+            streamDescriptor['layout'] = d['channel_layout']
+        elif d['channels'] == 6:
+            streamDescriptor['layout'] = STREAM_LAYOUT_6CH
+        else:
+            streamDescriptor['layout'] = 'undefined'
+
+        descriptor.append(streamDescriptor)
+        i += 1
+
+    i = 0
+    for d in [s for s in streamData if s['codec_type'] == STREAM_TYPE_SUBTITLE]:
+        descriptor.append({
+            'index': d['index'],
+            'sub_index': i,
+            'type': STREAM_TYPE_SUBTITLE,
+            'codec': d['codec_name']
+        })
+        i += 1
+
+    return descriptor
+
+
+
+def generateAV1Tokens(q, p):
+
+    return ['-c:v:0', 'libsvtav1',
+            '-svtav1-params', f"crf={q}:preset={p}:tune=0:enable-overlays=1:scd=1:scm=0",
+            '-pix_fmt', 'yuv420p10le']
+
+def generateVP9Pass1Tokens(q):
+
+    return ['-c:v:0', 'libvpx-vp9',
+            '-row-mt', '1',
+            '-crf', str(q),
+            '-pass', '1',
+            '-speed', '4',
+            '-frame-parallel', '0',
+            '-g', '9999',
+            '-aq-mode', '0']
+
+def generateVP9Pass2Tokens(q):
+
+    return ['-c:v:0', 'libvpx-vp9',
+            '-row-mt', '1',
+            '-crf', str(q),
+            '-pass', '2',
+            '-frame-parallel', '0',
+            '-g', '9999',
+            '-aq-mode', '0',
+            '-auto-alt-ref', '1',
+            '-lag-in-frames', '25']
+
+
+def generateCropTokens(start, length):
+
+    return ['-ss', str(start), '-t', str(length)]
+
+
+def generateDenoiseTokens(spatial=5, patch=7, research=7, hw=False):
+    filterName = 'nlmeans_opencl' if hw else 'nlmeans'
+    return ['-vf', f"{filterName}=s={spatial}:p={patch}:r={research}"]
+
+
+def generateOutputTokens(f, suffix, q=None):
+
+    if q is None:
+        return ['-f', 'webm', f"{f}.{suffix}"]
+    else:        
+        return ['-f', 'webm', f"{f}_q{q}.{suffix}"]
+
+
+# preset = DEFAULT_AV1_PRESET
+# presetTokens = [p for p in sys.argv if p.startswith('p=')]
+# if presetTokens:
+#   preset = int(presetTokens[0].split('=')[1])
+
+# cropStart = ''
+# cropLength = ''
+# cropTokens = [c for c in sys.argv if c.startswith('crop')]
+# if cropTokens:
+#     if '=' in cropTokens[0]:
+#         cropString = cropTokens[0].split('=')[1]
+#         cropStart, cropLength = cropString.split(',')
+#     else:
+#         cropStart = 60
+#         cropLength = 180
+# 
+# denoiseTokens = [d for d in sys.argv if d.startswith('denoise')]
+# 
+
+# for aStream in audioStreams:
+#     if 'channel_layout' in aStream:
+#         print(f"audio stream: {aStream['channel_layout']}") #channel_layout
+#     else:
+#         print(f"unknown audio stream with {aStream['channels']} channels") #channel_layout
+
+def generateAudioTokens(context, index, layout):
+
+    if layout == STREAM_LAYOUT_6_1:
+        return [f"-c:a:{index}",
+                        'libopus',
+                        f"-filter:a:{index}",
+                        'channelmap=channel_layout=6.1',
+                        f"-b:a:{index}",
+                            context['bitrates']['dts']]
+
+    elif layout == STREAM_LAYOUT_5_1:
+        return [f"-c:a:{index}",
+                        'libopus',
+                        f"-filter:a:{index}",
+                        "channelmap=FL-FL|FR-FR|FC-FC|LFE-LFE|SL-BL|SR-BR:5.1",
+                        f"-b:a:{index}",
+                        context['bitrates']['ac3']]
+
+    elif layout == STREAM_LAYOUT_STEREO:
+        return [f"-c:a:{index}",
+                        'libopus',
+                        f"-b:a:{index}",
+                        context['bitrates']['stereo']]
+
+    elif layout == STREAM_LAYOUT_6CH:
+        return [f"-c:a:{index}",
+                        'libopus',
+                        f"-filter:a:{index}",
+                        "channelmap=FL-FL|FR-FR|FC-FC|LFE-LFE|SL-BL|SR-BR:5.1",
+                        f"-b:a:{index}",
+                        context['bitrates']['ac3']]
+    else:
+        return []
+
+
+def generateClearTokens(streams):
+    clearTokens = []
+    for s in streams:
+        for k in MKVMERGE_METADATA_KEYS:
+            clearTokens += [f"-metadata:s:{s['type'][0]}:{s['sub_index']}", f"{k}="]
+    return clearTokens
+
+
+@click.group()
+@click.pass_context
+def ffx(ctx):
+    """FFX"""
+    ctx.obj = {}
+    pass        
+
+
+# Define a subcommand
+@ffx.command()
+def version():
+    click.echo(VERSION)
+
+
+# Another subcommand
+@ffx.command()
+def help():
+    click.echo(f"ffx {VERSION}\n")
+    click.echo(f"Usage: ffx [input file] [output file] [vp9|av1] [q=[nn[,nn,...]]] [p=nn] [a=nnn[k]] [ac3=nnn[k]] [dts=nnn[k]] [crop]")
+
+
+@click.argument('filename', nargs=1)
+@ffx.command()
+def streams(filename):
+    for d in getStreamDescriptor(filename):
+        click.echo(f"{d['codec']}{' (' + str(d['channels']) + ')' if d['type'] == 'audio' else ''}")
+
+
+
+@ffx.command()
+@click.pass_context
+
+@click.argument('paths', nargs=-1)
+@click.option('-l', '--label', type=str, default=DEFAULT_LABEL, help='Label to be used as filename prefix')
+
+@click.option('-v', '--video-encoder', type=str, default=DEFAULT_VIDEO_ENCODER, help='Target video encoder (vp9 or av1) default: vp9')
+
+@click.option('-q', '--quality', type=str, default=DEFAULT_QUALITY, help='Quality settings to be used with VP9 encoder (default: 23)')
+@click.option('-p', '--preset', type=str, default=DEFAULT_QUALITY, help='Quality preset to be used with AV1 encoder (default: 5)')
+
+@click.option('-a', '--stereo-bitrate', type=int, default=DEFAULT_STEREO_BANDWIDTH, help='Bitrate in kbit/s to be used to encode stereo audio streams')
+@click.option('-ac3', '--ac3-bitrate', type=int, default=DEFAULT_AC3_BANDWIDTH, help='Bitrate in kbit/s to be used to encode 5.1 audio streams')
+@click.option('-dts', '--dts-bitrate', type=int, default=DEFAULT_DTS_BANDWIDTH, help='Bitrate in kbit/s to be used to encode 6.1 audio streams')
+
+@click.option('-ds', '--default-subtitle', type=int, help='Index of default subtitle stream')
+
+@click.option('-fa', '--forced-audio', type=int, help='Index of forced audio stream (including default audio stream tag)')
+@click.option('-da', '--default-audio', type=int, help='Index of default audio stream')
+
+
+@click.option("--crop", is_flag=False, flag_value="default", default="none")
+
+@click.option("-c", "--clear-metadata", is_flag=True, default=False)
+@click.option("-d", "--denoise", is_flag=True, default=False)
+
+@click.option("-o", "--output-directory", type=str, default='')
+
+
+def convert(ctx, paths, label, video_encoder, quality, preset, stereo_bitrate, ac3_bitrate, dts_bitrate, crop, clear_metadata, default_subtitle, forced_audio, default_audio, denoise, output_directory):
+    """Batch conversion of audiovideo files in format suitable for web playback, e.g. jellyfin
+    
+    Files found under PATHS will be converted according to parameters.
+    Filename extensions will be changed appropriately.
+    Suffices will we appended to filename in case of multiple created files
+    or if the filename has not changed."""
+
+    startTime = time.perf_counter()
+    
+    context = ctx.obj
+
+
+    click.echo(f"\nVideo encoder: {video_encoder}")
+
+    qualityTokens = quality.split(',')
+    q_list = [q for q in qualityTokens if q.isnumeric()]
+
+    click.echo(f"Qualities: {q_list}")
+
+    
+    ctx.obj['bitrates'] = {}
+    ctx.obj['bitrates']['stereo'] = str(stereo_bitrate) if str(stereo_bitrate).endswith('k') else f"{stereo_bitrate}k"
+    ctx.obj['bitrates']['ac3'] = str(ac3_bitrate) if str(ac3_bitrate).endswith('k') else f"{ac3_bitrate}k"
+    ctx.obj['bitrates']['dts'] = str(dts_bitrate) if str(dts_bitrate).endswith('k') else f"{dts_bitrate}k"
+
+    click.echo(f"Stereo bitrate: {ctx.obj['bitrates']['stereo']}")
+    click.echo(f"AC3 bitrate: {ctx.obj['bitrates']['ac3']}")
+    click.echo(f"DTS bitrate: {ctx.obj['bitrates']['dts']}")
+
+    ctx.obj['perform_crop'] = (crop != 'none')
+
+    if ctx.obj['perform_crop']:
+
+        cropTokens = crop.split(',')
+
+        if cropTokens and len(cropTokens) == 2:
+
+            ctx.obj['crop_start'], ctx.obj['crop_length'] = crop.split(',')
+        else:
+            ctx.obj['crop_start'] = DEFAULT_CROP_START
+            ctx.obj['crop_length'] = DEFAULT_CROP_LENGTH
+
+        click.echo(f"crop start={ctx.obj['crop_start']} length={ctx.obj['crop_length']}")
+
+
+    click.echo(f"\nRunning {len(paths) * len(q_list)} jobs")
+
+    
+    se_match = re.compile(SEASON_EPISODE_INDICATOR_MATCH)
+    s_match = re.compile(SEASON_INDICATOR_MATCH)
+    e_match = re.compile(EPISODE_INDICATOR_MATCH)
+
+
+    for sourcePath in paths:
+
+
+        if not os.path.isfile(sourcePath):
+            click.echo(f"There is no file with path {sourcePath}, skipping ...")
+            continue
+
+        sourceDirectory = os.path.dirname(sourcePath)
+        sourceFilename = os.path.basename(sourcePath)
+        sourcePathTokens = sourceFilename.split('.')
+
+        if sourcePathTokens[-1] in FILE_EXTENSIONS:
+            sourceFileBasename = '.'.join(sourcePathTokens[:-1])
+            sourceFilenameExtension = sourcePathTokens[-1]
+        else:
+            sourceFileBasename = sourceFilename
+            sourceFilenameExtension = ''
+
+        #click.echo(f"dir={sourceDirectory} base={sourceFileBasename} ext={sourceFilenameExtension}")
+
+        click.echo(f"\nProcessing file {sourcePath}")
+
+
+        se_result = se_match.search(sourceFilename)
+        s_result = s_match.search(sourceFilename)
+        e_result = e_match.search(sourceFilename)
+
+
+
+    #streamDescriptor = getStreamDescriptor(sourcePath)
+
+    #commandTokens = COMMAND_TOKENS + [sourcePath]
+
+
+    #for q in q_list:
+
+        #click.echo(f"\nRunning job q={q}")
+
+        #mappingVideoTokens = ['-map', 'v:0']
+        #mappingTokens = mappingVideoTokens.copy()
+        #audioTokens = []
+
+        #audioIndex = 0
+        #for audioStreamDescriptor in streamDescriptor:
+                            
+            #if audioStreamDescriptor['type'] == STREAM_TYPE_AUDIO:
+
+                #mappingTokens += ['-map', f"a:{audioIndex}"]
+                #audioTokens += generateAudioTokens(ctx.obj, audioIndex, audioStreamDescriptor['layout'])
+                #audioIndex += 1
+
+
+        #for s in range(len([d for d in streamDescriptor if d['type'] == STREAM_TYPE_SUBTITLE])):
+            #mappingTokens += ['-map', f"s:{s}"]
+
+
+
+        #if video_encoder == 'av1':
+
+            #commandSequence = commandTokens + mappingTokens + audioTokens + generateAV1Tokens(q, preset) + audioTokens
+
+            #if clear_metadata:
+                #commandSequence += generateClearTokens(streamDescriptor)
+
+            #if performCrop:
+                #commandSequence += generateCropTokens(cropStart, cropLength)
+            
+            #commandSequence += generateOutputTokens(targetFilename, DEFAULT_FILE_SUFFIX, q)
+
+            #click.echo(f"Command: {' '.join(commandSequence)}")
+
+            #executeProcess(commandSequence)
+
+
+        #if video_encoder == 'vp9':
+
+            #commandSequence1 = commandTokens + mappingVideoTokens + generateVP9Pass1Tokens(q)
+
+            #if performCrop:
+            #    commandSequence1 += generateCropTokens(cropStart, cropLength)
+
+            #commandSequence1 += NULL_TOKENS
+
+            #click.echo(f"Command 1: {' '.join(commandSequence1)}")
+
+            #if os.path.exists(TEMP_FILE_NAME):
+            #    os.remove(TEMP_FILE_NAME)
+
+            #executeProcess(commandSequence1)
+
+
+            #commandSequence2 = commandTokens + mappingTokens
+
+            #if denoise:
+            #    commandSequence2 += generateDenoiseTokens()
+
+            #commandSequence2 += generateVP9Pass2Tokens(q) + audioTokens
+
+            #if clear_metadata:
+            #    commandSequence2 += generateClearTokens(streamDescriptor)
+
+            #if performCrop:
+            #    commandSequence2 += generateCropTokens(cropStart, cropLength)
+
+            #commandSequence2 += generateOutputTokens(targetFilename, DEFAULT_FILE_SUFFIX, q)
+
+            #click.echo(f"Command 2: {' '.join(commandSequence2)}")
+        
+            #executeProcess(commandSequence2)
+
+
+    #app = ModesApp(ctx.obj)
+    #app.run()
+
+    #click.confirm('Warning! This file is not compliant to the defined source schema! Do you want to continue?', abort=True)
+    
+    click.echo('\nDONE\n')
+
+    endTime = time.perf_counter()
+    click.echo(f"Time elapsed {endTime - startTime}")
+
+
+    # click.echo(f"app result: {app.getContext()}")
+
+
+
+if __name__ == '__main__':
+    ffx()

bin/check.py

@@ -0,0 +1,32 @@
+import os
+
+from ffx.pattern_controller import PatternController
+
+from ffx.model.show import Base
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey
+from sqlalchemy.orm import relationship, sessionmaker, Mapped, backref
+
+filename = 'Boruto.Naruto.Next.Generations.S01E256.GerEngSub.AAC.1080p.WebDL.x264-Tanuki.mkv'
+
+
+
+# Data 'input' variable
+context = {}
+
+# Initialize DB
+homeDir = os.path.expanduser("~")
+ffxVarDir = os.path.join(homeDir, '.local', 'var', 'ffx')
+if not os.path.exists(ffxVarDir):
+    os.makedirs(ffxVarDir)
+
+context['database_url'] = f"sqlite:///{os.path.join(ffxVarDir, 'ffx.db')}"
+context['database_engine'] = create_engine(context['database_url'])
+context['database_session'] = sessionmaker(bind=context['database_engine'])
+
+Base.metadata.create_all(context['database_engine'])
+
+
+pc = PatternController(context)
+
+
+print(pc.matchFilename(filename))

bin/ffx/.ipynb_checkpoints/file_properties-checkpoint.py

@@ -0,0 +1,66 @@
+import os, re, click
+
+class FileProperties():
+
+    FILE_EXTENSIONS = ['mkv', 'mp4', 'avi', 'flv', 'webm']
+
+    SEASON_EPISODE_INDICATOR_MATCH = '[sS]([0-9]+)[eE]([0-9]+)' 
+    EPISODE_INDICATOR_MATCH = '[eE]([0-9]+)'
+
+    def ___init__(self, sourcePath, ):
+
+
+        # Separate basedir, basename and extension for current source file
+        self.__sourceDirectory = os.path.dirname(sourcePath)
+        self.__sourceFilename = os.path.basename(sourcePath)
+        sourcePathTokens = self.__sourceFilename.split('.')
+
+        if sourcePathTokens[-1] in FilenameController.FILE_EXTENSIONS:
+            self.__sourceFileBasename = '.'.join(sourcePathTokens[:-1])
+            self.__sourceFilenameExtension = sourcePathTokens[-1]
+        else:
+            self.__sourceFileBasename = self.__sourceFilename
+            self.__sourceFilenameExtension = ''
+
+
+        se_match = re.compile(FilenameController.SEASON_EPISODE_INDICATOR_MATCH)
+        e_match = re.compile(FilenameController.EPISODE_INDICATOR_MATCH)
+
+        se_result = se_match.search(self.__sourceFilename)
+        e_result = e_match.search(self.__sourceFilename)
+
+        self.__season = -1
+        self.__episode = -1
+        file_index = 0
+
+        if se_result is not None:
+            self.__season = int(se_result.group(1))
+            self.__episode = int(se_result.group(2))
+        elif e_result is not None:
+            self.__episode = int(e_result.group(1))
+        else:
+            file_index += 1
+
+
+
+        matchingFileSubtitleDescriptors = sorted([d for d in availableFileSubtitleDescriptors if d['season'] == season and d['episode'] == episode], key=lambda d: d['stream'])  if availableFileSubtitleDescriptors else []
+
+        print(f"season={season} episode={episode} file={file_index}")
+
+
+        # Assemble target filename tokens
+        targetFilenameTokens = []
+        targetFilenameExtension = DEFAULT_FILE_EXTENSION
+
+        if label:
+            targetFilenameTokens = [label]
+
+            if season > -1 and episode > -1:
+                targetFilenameTokens += [f"S{season:0{season_digits}d}E{episode:0{episode_digits}d}"]
+            elif episode > -1:
+                targetFilenameTokens += [f"E{episode:0{episode_digits}d}"]
+            else:
+                targetFilenameTokens += [f"{file_index:0{index_digits}d}"]
+
+        else:
+            targetFilenameTokens = [sourceFileBasename]

bin/ffx/audio_layout.py

@@ -0,0 +1,46 @@
+from enum import Enum
+from .track_type import TrackType
+
+class AudioLayout(Enum):
+
+    LAYOUT_STEREO   = {"layout": "stereo", "index": 1}
+    LAYOUT_5_1      = {"layout": "5.1(side)", "index": 2}
+    LAYOUT_6_1      = {"layout": "6.1", "index": 3}
+    LAYOUT_7_1      = {"layout": "7.1", "index": 4} #TODO: Does this exist?
+
+    LAYOUT_6CH      = {"layout": "6ch", "index": 5}
+
+    LAYOUT_UNDEFINED  = {"layout": "undefined", "index": 0}
+
+
+    def layout(self):
+        """Returns the layout as string"""
+        return self.value['layout']
+
+    def index(self):
+        """Returns the layout as string"""
+        return self.value['layout']
+
+
+    def identify(self, streamObj):
+
+        FFPROBE_LAYOUT_KEY = 'channel_layout'
+        FFPROBE_CHANNELS_KEY = 'channels'
+        FFPROBE_CODEC_TYPE_KEY = 'codec_type'
+
+        if (type(streamObj) is not dict
+                or FFPROBE_CODEC_TYPE_KEY not in streamObj.keys()
+                or streamObj[FFPROBE_CODEC_TYPE_KEY] != TrackType.AUDIO.label()):
+            raise Exception('Not an ffprobe audio stream object')
+
+        if FFPROBE_LAYOUT_KEY in streamObj.keys():
+            matchingLayouts = [l for l in AudioLayout if l.value['layout'] == streamObj[FFPROBE_LAYOUT_KEY]]
+            if matchingLayouts:
+                return matchingLayouts[0]
+
+        if (FFPROBE_CHANNELS_KEY in streamObj.keys()
+                and int(streamObj[FFPROBE_CHANNELS_KEY]) == 6):
+
+            return AudioLayout.LAYOUT_6CH
+  
+        return AudioLayout.LAYOUT_UNDEFINED

bin/ffx/dashboard_screen.py

@@ -0,0 +1,16 @@
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label
+
+class DashboardScreen(Screen):
+
+    def __init__(self):
+        super().__init__()
+
+        context = self.app.getContext()
+        context['dashboard'] = 'dashboard'
+
+    def compose(self) -> ComposeResult:
+        yield Header(show_clock=True)
+        yield Placeholder("Dashboard Screen")
+        yield Footer()

bin/ffx/database.py

@@ -0,0 +1,41 @@
+import os
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from ffx.model.show import Base, Show
+from ffx.model.pattern import Pattern
+from ffx.model.track import Track
+
+from ffx.model.media_tag import MediaTag
+from ffx.model.track_tag import TrackTag
+
+
+def databaseContext():
+
+    databaseContext = {}
+
+    # Initialize DB
+    homeDir = os.path.expanduser("~")
+    ffxVarDir = os.path.join(homeDir, '.local', 'var', 'ffx')
+    if not os.path.exists(ffxVarDir):
+        os.makedirs(ffxVarDir)
+
+    databaseContext['url'] = f"sqlite:///{os.path.join(ffxVarDir, 'ffx.db')}"
+    databaseContext['engine'] = create_engine(databaseContext['url'])
+    databaseContext['session'] = sessionmaker(bind=databaseContext['engine'])
+
+    Base.metadata.create_all(databaseContext['engine'])
+
+    # isSyncronuous = False
+    # while not isSyncronuous:
+    # while True:
+    #     try:
+    #         with databaseContext['database_engine'].connect() as connection:
+    #             connection.execute(sqlalchemy.text('PRAGMA foreign_keys=ON;'))
+    #             #isSyncronuous = True
+    #             break
+    #     except sqlite3.OperationalError:
+    #         time.sleep(0.1)
+
+    return databaseContext

bin/ffx/ffx_app.py

@@ -0,0 +1,45 @@
+import os, time, sqlite3, sqlalchemy
+
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+# from ffx.model.show import Base, Show
+# from ffx.model.pattern import Pattern
+# from ffx.model.track import Track
+
+# from ffx.model.media_tag import MediaTag
+# from ffx.model.track_tag import TrackTag
+
+from .shows_screen import ShowsScreen
+from .warning_screen import WarningScreen
+from .dashboard_screen import DashboardScreen
+from .settings_screen import SettingsScreen
+from .help_screen import HelpScreen
+
+class FfxApp(App):
+
+    TITLE = "FFX"
+
+    BINDINGS = [
+        ("q", "quit()", "Quit"),  
+        ("h", "switch_mode('help')", "Help"),
+    ]
+
+
+    def __init__(self, context = {}):
+        super().__init__()
+
+        # Data 'input' variable
+        self.context = context
+
+
+    def on_mount(self) -> None:
+        self.push_screen(ShowsScreen())
+
+
+    def getContext(self):
+        """Data 'output' method"""
+        return self.context

bin/ffx/ffx_controller.py

@@ -0,0 +1,2 @@
+class FfxController():
+    pass

bin/ffx/file_properties.py

@@ -0,0 +1,220 @@
+import os, re, click, json
+
+from .media_descriptor import MediaDescriptor
+from .pattern_controller import PatternController
+
+#from .track_type import TrackType
+#from .audio_layout import AudioLayout
+
+#from .track_disposition import TrackDisposition
+
+from .process import executeProcess
+
+
+class FileProperties():
+
+    FILE_EXTENSIONS = ['mkv', 'mp4', 'avi', 'flv', 'webm']
+
+    SEASON_EPISODE_INDICATOR_MATCH = '[sS]([0-9]+)[eE]([0-9]+)' 
+    EPISODE_INDICATOR_MATCH = '[eE]([0-9]+)'
+
+
+    def __init__(self, context, sourcePath):
+
+        # Separate basedir, basename and extension for current source file
+        self.__sourcePath = sourcePath
+
+        self.__sourceDirectory = os.path.dirname(self.__sourcePath)
+        self.__sourceFilename = os.path.basename(self.__sourcePath)
+
+        sourcePathTokens = self.__sourceFilename.split('.')
+
+        if sourcePathTokens[-1] in FileProperties.FILE_EXTENSIONS:
+            self.__sourceFileBasename = '.'.join(sourcePathTokens[:-1])
+            self.__sourceFilenameExtension = sourcePathTokens[-1]
+        else:
+            self.__sourceFileBasename = self.__sourceFilename
+            self.__sourceFilenameExtension = ''
+
+
+        se_match = re.compile(FileProperties.SEASON_EPISODE_INDICATOR_MATCH)
+        e_match = re.compile(FileProperties.EPISODE_INDICATOR_MATCH)
+
+        se_result = se_match.search(self.__sourceFilename)
+        e_result = e_match.search(self.__sourceFilename)
+
+        self.__season = -1
+        self.__episode = -1
+        file_index = 0
+
+        if se_result is not None:
+            self.__season = int(se_result.group(1))
+            self.__episode = int(se_result.group(2))
+        elif e_result is not None:
+            self.__episode = int(e_result.group(1))
+        else:
+            file_index += 1
+
+
+        pc = PatternController(context)
+        pattern = pc.matchFilename(self.__sourceFilename)
+
+        click.echo(pattern)
+#         matchingFileSubtitleDescriptors = sorted([d for d in availableFileSubtitleDescriptors if d['season'] == season and d['episode'] == episode], key=lambda d: d['stream'])  if availableFileSubtitleDescriptors else []
+# 
+#         print(f"season={season} episode={episode} file={file_index}")
+# 
+# 
+#         # Assemble target filename tokens
+#         targetFilenameTokens = []
+#         targetFilenameExtension = DEFAULT_FILE_EXTENSION
+# 
+#         if label:
+#             targetFilenameTokens = [label]
+# 
+#             if season > -1 and episode > -1:
+#                 targetFilenameTokens += [f"S{season:0{season_digits}d}E{episode:0{episode_digits}d}"]
+#             elif episode > -1:
+#                 targetFilenameTokens += [f"E{episode:0{episode_digits}d}"]
+#             else:
+#                 targetFilenameTokens += [f"{file_index:0{index_digits}d}"]
+# 
+#         else:
+#             targetFilenameTokens = [sourceFileBasename]
+# 
+
+
+    def getFormatData(self):
+        """
+        "format": {
+            "filename": "Downloads/nagatoro_s02/nagatoro_s01e02.mkv",
+            "nb_streams": 18,
+            "nb_programs": 0,
+            "nb_stream_groups": 0,
+            "format_name": "matroska,webm",
+            "format_long_name": "Matroska / WebM",
+            "start_time": "0.000000",
+            "duration": "1420.063000",
+            "size": "1489169824",
+            "bit_rate": "8389316",
+            "probe_score": 100,
+            "tags": {
+                "PUBLISHER": "Crunchyroll",
+                "ENCODER": "Lavf58.29.100"
+            }
+        }       
+        """
+
+        ffprobeOutput, ffprobeError, returnCode = executeProcess(["ffprobe",
+                                                        "-hide_banner",
+                                                        "-show_format",
+                                                        "-of", "json",
+                                                        self.__sourcePath])
+
+
+        if 'Invalid data found when processing input' in ffprobeError:
+            raise Exception(f"File {self.__sourcePath} does not contain valid stream data")
+
+
+        if returnCode != 0:
+            raise Exception(f"ffprobe returned with error {returnCode}")
+
+
+        return json.loads(ffprobeOutput)['format']
+
+    #[{'index': 0, 'codec_name': 'vp9', 'codec_long_name': 'Google VP9', 'profile': 'Profile 0', 'codec_type': 'video', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'width': 1920, 'height': 1080, 'coded_width': 1920, 'coded_height': 1080, 'closed_captions': 0, 'film_grain': 0, 'has_b_frames': 0, 'sample_aspect_ratio': '1:1', 'display_aspect_ratio': '16:9', 'pix_fmt': 'yuv420p', 'level': -99, 'color_range': 'tv', 'chroma_location': 'left', 'field_order': 'progressive', 'refs': 1, 'r_frame_rate': '24000/1001', 'avg_frame_rate': '24000/1001', 'time_base': '1/1000', 'start_pts': 0, 'start_time': '0.000000', 'disposition': {'default': 1, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'BPS': '7974017', 'NUMBER_OF_FRAMES': '34382', 'NUMBER_OF_BYTES': '1429358655', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 libvpx-vp9', 'DURATION': '00:23:54.016000000'}}]
+    #[{'index': 1, 'codec_name': 'opus', 'codec_long_name': 'Opus (Opus Interactive Audio Codec)', 'codec_type': 'audio', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'sample_fmt': 'fltp', 'sample_rate': '48000', 'channels': 2, 'channel_layout': 'stereo', 'bits_per_sample': 0, 'initial_padding': 312, 'r_frame_rate': '0/0', 'avg_frame_rate': '0/0', 'time_base': '1/1000', 'start_pts': -7, 'start_time': '-0.007000', 'extradata_size': 19, 'disposition': {'default': 1, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'language': 'jpn', 'title': 'Japanisch', 'BPS': '128000', 'NUMBER_OF_FRAMES': '61763', 'NUMBER_OF_BYTES': '22946145', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 libopus', 'DURATION': '00:23:54.141000000'}}]
+
+    #[{'index': 2, 'codec_name': 'webvtt', 'codec_long_name': 'WebVTT subtitle', 'codec_type': 'subtitle', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'r_frame_rate': '0/0', 'avg_frame_rate': '0/0', 'time_base': '1/1000', 'start_pts': -7, 'start_time': '-0.007000', 'duration_ts': 1434141, 'duration': '1434.141000', 'disposition': {'default': 1, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'language': 'ger', 'title': 'Deutsch [Full]', 'BPS': '118', 'NUMBER_OF_FRAMES': '300', 'NUMBER_OF_BYTES': '21128', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 webvtt', 'DURATION': '00:23:54.010000000'}}, {'index': 3, 'codec_name': 'webvtt', 'codec_long_name': 'WebVTT subtitle', 'codec_type': 'subtitle', 'codec_tag_string': '[0][0][0][0]', 'codec_tag': '0x0000', 'r_frame_rate': '0/0', 'avg_frame_rate': '0/0', 'time_base': '1/1000', 'start_pts': -7, 'start_time': '-0.007000', 'duration_ts': 1434141, 'duration': '1434.141000', 'disposition': {'default': 0, 'dub': 0, 'original': 0, 'comment': 0, 'lyrics': 0, 'karaoke': 0, 'forced': 0, 'hearing_impaired': 0, 'visual_impaired': 0, 'clean_effects': 0, 'attached_pic': 0, 'timed_thumbnails': 0, 'non_diegetic': 0, 'captions': 0, 'descriptions': 0, 'metadata': 0, 'dependent': 0, 'still_image': 0}, 'tags': {'language': 'eng', 'title': 'Englisch [Full]', 'BPS': '101', 'NUMBER_OF_FRAMES': '276', 'NUMBER_OF_BYTES': '16980', '_STATISTICS_WRITING_APP': "mkvmerge v63.0.0 ('Everything') 64-bit", '_STATISTICS_WRITING_DATE_UTC': '2023-10-07 13:59:46', '_STATISTICS_TAGS': 'BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES', 'ENCODER': 'Lavc61.3.100 webvtt', 'DURATION': '00:23:53.230000000'}}]
+
+
+    def getStreamData(self):
+        """Returns ffprobe stream data as array with elements according to the following example      
+        {
+            "index": 4,
+            "codec_name": "hdmv_pgs_subtitle",
+            "codec_long_name": "HDMV Presentation Graphic Stream subtitles",
+            "codec_type": "subtitle",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "r_frame_rate": "0/0",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/1000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 1421035,
+            "duration": "1421.035000",
+            "disposition": {
+                "default": 1,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0,
+                "non_diegetic": 0,
+                "captions": 0,
+                "descriptions": 0,
+                "metadata": 0,
+                "dependent": 0,
+                "still_image": 0
+            },
+            "tags": {
+                "language": "ger",
+                "title": "German Full"
+            }
+        }
+        """
+
+
+        ffprobeOutput, ffprobeError, returnCode = executeProcess(["ffprobe",
+                                                        "-hide_banner",
+                                                        "-show_streams",
+                                                        "-of", "json",
+                                                        self.__sourcePath])
+
+        if 'Invalid data found when processing input' in ffprobeError:
+            raise Exception(f"File {self.__sourcePath} does not contain valid stream data")
+
+
+        if returnCode != 0:
+            raise Exception(f"ffprobe returned with error {returnCode}")
+
+
+        return json.loads(ffprobeOutput)['streams']
+
+
+#     def getTrackDescriptor(self, streamObj):
+#         """Convert the stream describing json object into a track descriptor"""
+# 
+#         trackType = streamObj['codec_type']
+# 
+#         descriptor = {}
+# 
+#         if trackType in [t.label() for t in TrackType]:
+# 
+#             descriptor['type'] = trackType
+# 
+#             descriptor = {}
+#             descriptor['disposition_list'] = [t for d in (k for (k,v) in streamObj['disposition'].items() if v) if (t := TrackDisposition.find(d)) if t is not None]
+# 
+#             descriptor['tags'] = streamObj['tags'] if 'tags' in streamObj.keys() else {}
+# 
+#             if trackType == TrackType.AUDIO.label():
+#                 descriptor['layout'] = AudioLayout.identify(streamObj)
+# 
+#         return descriptor
+
+
+    def getMediaDescriptor(self):
+
+        return MediaDescriptor.fromFfprobe(self.getFormatData(), self.getStreamData())
+
+        # formatData = self.getFormatData()
+        # streamData = self.getStreamData()
+

bin/ffx/help_screen.py

@@ -0,0 +1,12 @@
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label
+
+class HelpScreen(Screen):
+    def __init__(self):
+        super().__init__()
+        context = self.app.getContext()
+    def compose(self) -> ComposeResult:
+        yield Placeholder("Help Screen")
+        yield Footer()
+

bin/ffx/iso_language.py

@@ -0,0 +1,115 @@
+from enum import Enum
+import difflib
+
+class IsoLanguage(Enum):
+
+    AFRIKAANS       = {"name": "Afrikaans", "iso639_1": "af", "iso639_2": "afr"}
+    ALBANIAN        = {"name": "Albanian", "iso639_1": "sq", "iso639_2": "alb"}
+    ARABIC          = {"name": "Arabic", "iso639_1": "ar", "iso639_2": "ara"}
+    ARMENIAN        = {"name": "Armenian", "iso639_1": "hy", "iso639_2": "arm"}
+    AZERBAIJANI     = {"name": "Azerbaijani", "iso639_1": "az", "iso639_2": "aze"}
+    BASQUE          = {"name": "Basque", "iso639_1": "eu", "iso639_2": "baq"}
+    BELARUSIAN      = {"name": "Belarusian", "iso639_1": "be", "iso639_2": "bel"}
+    BULGARIAN       = {"name": "Bulgarian", "iso639_1": "bg", "iso639_2": "bul"}
+    CATALAN         = {"name": "Catalan", "iso639_1": "ca", "iso639_2": "cat"}
+    CHINESE         = {"name": "Chinese", "iso639_1": "zh", "iso639_2": "chi"}
+    CROATIAN        = {"name": "Croatian", "iso639_1": "hr", "iso639_2": "hrv"}
+    CZECH           = {"name": "Czech", "iso639_1": "cs", "iso639_2": "cze"}
+    DANISH          = {"name": "Danish", "iso639_1": "da", "iso639_2": "dan"}
+    DUTCH           = {"name": "Dutch", "iso639_1": "nl", "iso639_2": "dut"}
+    ENGLISH         = {"name": "English", "iso639_1": "en", "iso639_2": "eng"}
+    ESTONIAN        = {"name": "Estonian", "iso639_1": "et", "iso639_2": "est"}
+    FINNISH         = {"name": "Finnish", "iso639_1": "fi", "iso639_2": "fin"}
+    FRENCH          = {"name": "French", "iso639_1": "fr", "iso639_2": "fre"}
+    GEORGIAN        = {"name": "Georgian", "iso639_1": "ka", "iso639_2": "geo"}
+    GERMAN          = {"name": "German", "iso639_1": "de", "iso639_2": "ger"}
+    GREEK           = {"name": "Greek", "iso639_1": "el", "iso639_2": "gre"}
+    HEBREW          = {"name": "Hebrew", "iso639_1": "he", "iso639_2": "heb"}
+    HINDI           = {"name": "Hindi", "iso639_1": "hi", "iso639_2": "hin"}
+    HUNGARIAN       = {"name": "Hungarian", "iso639_1": "hu", "iso639_2": "hun"}
+    ICELANDIC       = {"name": "Icelandic", "iso639_1": "is", "iso639_2": "ice"}
+    INDONESIAN      = {"name": "Indonesian", "iso639_1": "id", "iso639_2": "ind"}
+    IRISH           = {"name": "Irish", "iso639_1": "ga", "iso639_2": "gle"}
+    ITALIAN         = {"name": "Italian", "iso639_1": "it", "iso639_2": "ita"}
+    JAPANESE        = {"name": "Japanese", "iso639_1": "ja", "iso639_2": "jpn"}
+    KAZAKH          = {"name": "Kazakh", "iso639_1": "kk", "iso639_2": "kaz"}
+    KOREAN          = {"name": "Korean", "iso639_1": "ko", "iso639_2": "kor"}
+    LATIN           = {"name": "Latin", "iso639_1": "la", "iso639_2": "lat"}
+    LATVIAN         = {"name": "Latvian", "iso639_1": "lv", "iso639_2": "lav"}
+    LITHUANIAN      = {"name": "Lithuanian", "iso639_1": "lt", "iso639_2": "lit"}
+    MACEDONIAN      = {"name": "Macedonian", "iso639_1": "mk", "iso639_2": "mac"}
+    MALAY           = {"name": "Malay", "iso639_1": "ms", "iso639_2": "may"}
+    MALTESE         = {"name": "Maltese", "iso639_1": "mt", "iso639_2": "mlt"}
+    NORWEGIAN       = {"name": "Norwegian", "iso639_1": "no", "iso639_2": "nor"}
+    PERSIAN         = {"name": "Persian", "iso639_1": "fa", "iso639_2": "per"}
+    POLISH          = {"name": "Polish", "iso639_1": "pl", "iso639_2": "pol"}
+    PORTUGUESE      = {"name": "Portuguese", "iso639_1": "pt", "iso639_2": "por"}
+    ROMANIAN        = {"name": "Romanian", "iso639_1": "ro", "iso639_2": "rum"}
+    RUSSIAN         = {"name": "Russian", "iso639_1": "ru", "iso639_2": "rus"}
+    NORTHERN_SAMI   = {"name": "Northern Sami", "iso639_1": "se", "iso639_2": "sme"}
+    SAMOAN          = {"name": "Samoan", "iso639_1": "sm", "iso639_2": "smo"}
+    SANGO           = {"name": "Sango", "iso639_1": "sg", "iso639_2": "sag"}
+    SANSKRIT        = {"name": "Sanskrit", "iso639_1": "sa", "iso639_2": "san"}
+    SARDINIAN       = {"name": "Sardinian", "iso639_1": "sc", "iso639_2": "srd"}
+    SERBIAN         = {"name": "Serbian", "iso639_1": "sr", "iso639_2": "srp"}
+    SHONA           = {"name": "Shona", "iso639_1": "sn", "iso639_2": "sna"}
+    SINDHI          = {"name": "Sindhi", "iso639_1": "sd", "iso639_2": "snd"}
+    SINHALA         = {"name": "Sinhala", "iso639_1": "si", "iso639_2": "sin"}
+    SLOVAK          = {"name": "Slovak", "iso639_1": "sk", "iso639_2": "slk"}
+    SLOVENIAN       = {"name": "Slovenian", "iso639_1": "sl", "iso639_2": "slv"}
+    SOMALI          = {"name": "Somali", "iso639_1": "so", "iso639_2": "som"}
+    SOUTHERN_SOTHO  = {"name": "Southern Sotho", "iso639_1": "st", "iso639_2": "sot"}
+    SPANISH         = {"name": "Spanish", "iso639_1": "es", "iso639_2": "spa"}
+    SUNDANESE       = {"name": "Sundanese", "iso639_1": "su", "iso639_2": "sun"}
+    SWAHILI         = {"name": "Swahili", "iso639_1": "sw", "iso639_2": "swa"}
+    SWATI           = {"name": "Swati", "iso639_1": "ss", "iso639_2": "ssw"}
+    SWEDISH         = {"name": "Swedish", "iso639_1": "sv", "iso639_2": "swe"}
+    TAGALOG         = {"name": "Tagalog", "iso639_1": "tl", "iso639_2": "tgl"}
+    TAMIL           = {"name": "Tamil", "iso639_1": "ta", "iso639_2": "tam"}
+    THAI            = {"name": "Thai", "iso639_1": "th", "iso639_2": "tha"}
+    TURKISH         = {"name": "Turkish", "iso639_1": "tr", "iso639_2": "tur"}
+    UKRAINIAN       = {"name": "Ukrainian", "iso639_1": "uk", "iso639_2": "ukr"}
+    URDU            = {"name": "Urdu", "iso639_1": "ur", "iso639_2": "urd"}
+    VIETNAMESE      = {"name": "Vietnamese", "iso639_1": "vi", "iso639_2": "vie"}
+    WELSH           = {"name": "Welsh", "iso639_1": "cy", "iso639_2": "wel"}
+
+    UNDEFINED       = {"name": "undefined", "iso639_1": "xx", "iso639_2": "und"}
+
+
+    @staticmethod
+    def find(label : str):
+
+        closestMatches = difflib.get_close_matches(label, [l.value["name"] for l in IsoLanguage], n=1)
+
+        if closestMatches:
+            foundLangs = [l for l in IsoLanguage if l.value['name'] == closestMatches[0]]
+            return foundLangs[0] if foundLangs else IsoLanguage.UNDEFINED
+        else:
+            return IsoLanguage.UNDEFINED
+
+    @staticmethod
+    def findThreeLetter(theeLetter : str):
+        foundLangs = [l for l in IsoLanguage if l.value['iso639_2'] == str(theeLetter)]
+        return foundLangs[0] if foundLangs else IsoLanguage.UNDEFINED
+
+
+# def get(lang : str):
+# 
+#     selectedLangs = [l for l in IsoLanguage if l.value['iso639_2'] == lang]
+# 
+#     if selectedLangs:
+#         return selectedLangs[0]
+#     else:
+#         return None
+
+    def label(self):
+        return str(self.value['name'])
+
+    def twoLetter(self):
+        return str(self.value['iso639_1'])
+    
+    def threeLetter(self):
+        return str(self.value['iso639_2'])
+
+
+    

bin/ffx/media_descriptor.py

@@ -0,0 +1,43 @@
+from ffx.track_type import TrackType
+from ffx.track_descriptor import TrackDescriptor
+
+
+class MediaDescriptor():
+    """This class represents the structural content of a media file including streams and metadata"""
+    
+    def __init__(self, **kwargs):
+
+        self.__mediaTags = kwargs['tags'] if 'tags' in kwargs.keys() else {}
+        self.__trackDescriptors = kwargs['trackDescriptors'] if 'trackDescriptors' in kwargs.keys() else {}
+        self.__clearTags = kwargs['clearTags'] if 'clearTags' in kwargs.keys() else False
+
+
+    @classmethod
+    def fromFfprobe(cls, formatData, streamData):
+
+        descriptors = {}
+
+        for streamObj in streamData:
+
+            trackType = TrackType.fromLabel(streamObj['codec_type'])
+
+            if trackType != TrackType.UNKNOWN:
+
+                if trackType.label() not in descriptors.keys():
+                    descriptors[trackType.label()] = []
+
+                descriptors[trackType.label()].append(TrackDescriptor.fromFfprobe(streamObj))
+
+        return cls(tags=formatData['tags'] if 'tags' in formatData.keys() else {},
+                    trackDescriptors = descriptors)
+
+
+    def getTags(self):
+        return self.__mediaTags
+
+
+    def getAudioTracks(self):
+        return self.__trackDescriptors[TrackType.AUDIO.label()] if TrackType.AUDIO.label() in self.__trackDescriptors.keys() else []
+
+    def getSubtitleTracks(self):
+        return self.__trackDescriptors[TrackType.SUBTITLE.label()] if TrackType.SUBTITLE.label() in self.__trackDescriptors.keys() else []

bin/ffx/model/media_tag.py

@@ -0,0 +1,28 @@
+# from typing import List
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey, Enum
+from sqlalchemy.orm import relationship, declarative_base, sessionmaker
+
+from .show import Base
+
+
+class MediaTag(Base):
+    """
+    relationship(argument, opt1, opt2, ...)
+    argument is string of class or Mapped class of the target entity
+    backref creates a bi-directional corresponding relationship (back_populates preferred)
+    back_populates points to the corresponding relationship (the actual class attribute identifier)
+    
+    See: https://docs.sqlalchemy.org/en/(14|20)/orm/basic_relationships.html
+    """
+
+    __tablename__ = 'media_tags'
+
+    # v1.x
+    id = Column(Integer, primary_key=True)
+
+    key = Column(String)
+    value = Column(String)
+
+    # v1.x
+    pattern_id = Column(Integer, ForeignKey('patterns.id', ondelete="CASCADE"))
+    pattern = relationship('Pattern', back_populates='media_tags')

bin/ffx/model/pattern.py

@@ -0,0 +1,76 @@
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey
+from sqlalchemy.orm import relationship, sessionmaker, Mapped, backref
+
+from .show import Base
+from .track import Track
+
+from ffx.media_descriptor import MediaDescriptor
+
+class Pattern(Base):
+
+    __tablename__ = 'patterns'
+
+    # v1.x
+    id = Column(Integer, primary_key=True)
+    pattern = Column(String)
+
+    # v2.0
+    # id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    # pattern: Mapped[str] = mapped_column(String, nullable=False)
+
+    # v1.x
+    show_id = Column(Integer, ForeignKey('shows.id', ondelete="CASCADE"))
+    show = relationship('Show', back_populates='patterns')
+
+    # v2.0
+    # show_id: Mapped[int] = mapped_column(ForeignKey("shows.id", ondelete="CASCADE"))
+    # show: Mapped["Show"] = relationship(back_populates="patterns")
+
+    tracks = relationship('Track', back_populates='pattern', cascade="all, delete")
+
+
+    media_tags = relationship('MediaTag', back_populates='pattern', cascade="all, delete")
+
+
+    # def getDescriptor(self):
+# 
+    #     descriptor = {}
+    #     descriptor['id'] = int(self.id)
+    #     descriptor['pattern'] = str(self.pattern)
+    #     descriptor['show_id'] = int(self.show_id)
+# 
+    #     descriptor['tags'] = {}
+    #     for t in self.media_tags:
+    #         descriptor['tags'][str(t.key)] = str(t.value)
+# 
+    #     return descriptor
+
+
+    def getShow(self):
+        pass
+
+    def getTracks(self):
+        pass
+
+
+    def getMediaDescriptor(self):
+
+        md = MediaDescriptor(tags = self.getDescriptor()['tags'])
+
+        for t in self.tracks:
+            md.appendTrack(t.getDescriptor())
+
+        return md
+
+
+    def getId(self):
+        return int(self.id)
+
+    def getPattern(self):
+        return str(self.pattern)
+    
+    def getShowId(self):
+        return int(self.show_id)
+    
+    def getTags(self):
+        return {str(k.value):str(v.value) for (k,v) in self.media_tags}

bin/ffx/model/show.py

@@ -0,0 +1,57 @@
+# from typing import List
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey
+from sqlalchemy.orm import relationship, declarative_base, sessionmaker
+
+Base = declarative_base()
+
+class Show(Base):
+    """
+    relationship(argument, opt1, opt2, ...)
+    argument is string of class or Mapped class of the target entity
+    backref creates a bi-directional corresponding relationship (back_populates preferred)
+    back_populates points to the corresponding relationship (the actual class attribute identifier)
+    
+    See: https://docs.sqlalchemy.org/en/(14|20)/orm/basic_relationships.html
+    """
+
+    __tablename__ = 'shows'
+
+    # v1.x
+    id = Column(Integer, primary_key=True)
+
+    name = Column(String)
+    year = Column(Integer)
+
+    # v2.0
+    # id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    # name: Mapped[str] = mapped_column(String, nullable=False)
+    # year: Mapped[int] = mapped_column(Integer, nullable=False)
+
+    # v1.x
+    #patterns = relationship('Pattern', back_populates='show', cascade="all, delete", passive_deletes=True)
+    patterns = relationship('Pattern', back_populates='show', cascade="all, delete")
+    # patterns = relationship('Pattern', back_populates='show', cascade="all")
+
+    # v2.0
+    # patterns: Mapped[List["Pattern"]] = relationship(back_populates="show", cascade="all, delete")
+
+    index_season_digits = Column(Integer, default=2)
+    index_episode_digits = Column(Integer, default=2)
+    indicator_season_digits = Column(Integer, default=2)
+    indicator_episode_digits = Column(Integer, default=2)
+
+
+    def getDesciptor(self):
+
+        descriptor = {}
+            
+        descriptor['id'] = int(self.id)
+        descriptor['name'] = str(self.name)
+        descriptor['year'] = int(self.year)
+
+        descriptor['index_season_digits'] = int(self.index_season_digits)
+        descriptor['index_episode_digits'] = int(self.index_episode_digits)
+        descriptor['indicator_season_digits'] = int(self.indicator_season_digits)
+        descriptor['indicator_episode_digits'] = int(self.indicator_episode_digits)
+
+        return descriptor

bin/ffx/model/track.py

@@ -0,0 +1,173 @@
+# from typing import List
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey
+from sqlalchemy.orm import relationship, declarative_base, sessionmaker
+
+from .show import Base
+
+from ffx.track_type import TrackType
+
+from ffx.iso_language import IsoLanguage
+
+from ffx.track_disposition import TrackDisposition
+from ffx.track_descriptor import TrackDescriptor
+
+import click
+
+class Track(Base):
+    """
+    relationship(argument, opt1, opt2, ...)
+    argument is string of class or Mapped class of the target entity
+    backref creates a bi-directional corresponding relationship (back_populates preferred)
+    back_populates points to the corresponding relationship (the actual class attribute identifier)
+    
+    See: https://docs.sqlalchemy.org/en/(14|20)/orm/basic_relationships.html
+    """
+
+    __tablename__ = 'tracks'
+
+    # v1.x
+    id = Column(Integer, primary_key=True, autoincrement = True)
+
+    # P=pattern_id+sub_index+track_type
+    track_type = Column(Integer) # TrackType
+
+    index = Column(Integer)
+    sub_index = Column(Integer)
+
+    # v1.x
+    pattern_id = Column(Integer, ForeignKey('patterns.id', ondelete="CASCADE"))
+    pattern = relationship('Pattern', back_populates='tracks')
+
+
+    # language = Column(String) # IsoLanguage threeLetter
+    # title = Column(String)
+
+
+    track_tags = relationship('TrackTag', back_populates='track', cascade="all, delete", lazy="joined")
+
+
+    disposition_flags = Column(Integer)
+
+
+    def __init__(self, **kwargs):
+
+        trackType = kwargs.pop('track_type', None)
+        if trackType is not None:
+            self.track_type = int(trackType)
+
+        # language = kwargs.pop('language', None)
+        # if language is not None:
+        #     self.language = str(language.threeLetter())
+
+        dispositionSet = kwargs.pop(TrackDescriptor.DISPOSITION_SET_KEY, set())
+        self.disposition_flags = int(TrackDisposition.toFlags(dispositionSet))
+
+        super().__init__(**kwargs) 
+
+
+    @classmethod
+    def fromStreamObj(cls, streamObj, subIndex, patternId):
+        """{
+                'index': 4,
+                'codec_name': 'hdmv_pgs_subtitle',
+                'codec_long_name': 'HDMV Presentation Graphic Stream subtitles',
+                'codec_type': 'subtitle',
+                'codec_tag_string': '[0][0][0][0]',
+                'codec_tag': '0x0000',
+                'r_frame_rate': '0/0',
+                'avg_frame_rate': '0/0',
+                'time_base': '1/1000',
+                'start_pts': 0,
+                'start_time': '0.000000',
+                'duration_ts': 1421035,
+                'duration': '1421.035000',
+                'disposition': {
+                    'default': 1,
+                    'dub': 0,
+                    'original': 0,
+                    'comment': 0,
+                    'lyrics': 0,
+                    'karaoke': 0,
+                    'forced': 0,
+                    'hearing_impaired': 0,
+                    'visual_impaired': 0,
+                    'clean_effects': 0,
+                    'attached_pic': 0,
+                    'timed_thumbnails': 0,
+                    'non_diegetic': 0,
+                    'captions': 0,
+                    'descriptions': 0,
+                    'metadata': 0,
+                    'dependent': 0,
+                    'still_image': 0
+                },
+                'tags': {
+                    'language': 'ger',
+                    'title': 'German Full'
+                }
+        }
+        
+
+        # v1.x
+        id = Column(Integer, primary_key=True, autoincrement = True)
+
+        # P=pattern_id+sub_index+track_type
+        track_type = Column(Integer) # TrackType
+        sub_index = Column(Integer)
+
+        # v1.x
+        pattern_id = Column(Integer, ForeignKey('patterns.id', ondelete='CASCADE'))
+        pattern = relationship('Pattern', back_populates='tracks')
+
+
+        language = Column(String) # IsoLanguage threeLetter
+        title = Column(String)
+
+
+        track_tags = relationship('TrackTag', back_populates='track', cascade='all, delete')
+
+
+        disposition_flags = Column(Integer)
+
+    
+        """
+
+
+        trackType = streamObj['codec_type']
+
+        if trackType in [t.label() for t in TrackType]:
+
+            return cls(pattern_id = patternId,
+                        sub_index = int(subIndex),
+                        track_type = trackType,
+                        disposition_flags = sum([2**t.index() for (k,v) in streamObj['disposition'].items() if v and (t := TrackDisposition.find(k)) is not None]))
+
+        else:
+            return None
+
+
+    def getId(self):
+        return int(self.id)
+
+    def getPatternId(self):
+        return int(self.pattern_id)
+    
+    def getType(self):
+        return TrackType.fromIndex(self.track_type)
+    
+    def getSubIndex(self):
+        return int(self.sub_index)
+    
+    def getLanguage(self):
+        tags = {t.key:t.value for t in self.track_tags}
+        return IsoLanguage.findThreeLetter(tags['language']) if 'language' in tags.keys() else IsoLanguage.UNDEFINED
+    
+    def getTitle(self):
+        tags = {t.key:t.value for t in self.track_tags}
+        return tags['title'] if 'title' in tags.keys() else ''
+
+    def getDispositionSet(self):
+        return TrackDisposition.toSet(self.disposition_flags)
+    
+    def getTags(self):
+        return {str(t.key):str(t.value) for t in self.track_tags}

bin/ffx/model/track_tag.py

@@ -0,0 +1,28 @@
+# from typing import List
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey, Enum
+from sqlalchemy.orm import relationship, declarative_base, sessionmaker
+
+from .show import Base
+
+
+class TrackTag(Base):
+    """
+    relationship(argument, opt1, opt2, ...)
+    argument is string of class or Mapped class of the target entity
+    backref creates a bi-directional corresponding relationship (back_populates preferred)
+    back_populates points to the corresponding relationship (the actual class attribute identifier)
+    
+    See: https://docs.sqlalchemy.org/en/(14|20)/orm/basic_relationships.html
+    """
+
+    __tablename__ = 'track_tags'
+
+    # v1.x
+    id = Column(Integer, primary_key=True)
+
+    key = Column(String)
+    value = Column(String)
+
+    # v1.x
+    track_id = Column(Integer, ForeignKey('tracks.id', ondelete="CASCADE"))
+    track = relationship('Track', back_populates='track_tags')

bin/ffx/pattern_controller.py

@@ -0,0 +1,186 @@
+import click, re
+
+from ffx.model.pattern import Pattern
+
+from .media_descriptor import MediaDescriptor
+
+
+class PatternController():
+    
+    def __init__(self, context):
+        
+        self.context = context
+        self.Session = self.context['database']['session'] # convenience
+
+
+    def addPattern(self, patternDescriptor):
+
+        try:
+
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.show_id == int(patternDescriptor['show_id']), Pattern.pattern == str(patternDescriptor['pattern']))
+
+            if not q.count():
+                pattern = Pattern(show_id = int(patternDescriptor['show_id']),
+                                    pattern = str(patternDescriptor['pattern']))
+                s.add(pattern)
+                s.commit()
+                return patternDescriptor
+            else:
+                return {}
+
+        except Exception as ex:
+            raise click.ClickException(f"PatternController.addPattern(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def updatePattern(self, patternId, patternDescriptor):
+
+        try:
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.id == int(patternId))
+
+            if q.count():
+
+                pattern = q.first()
+
+                pattern.show_id = int(patternDescriptor['show_id'])
+                pattern.pattern = str(patternDescriptor['pattern'])
+
+                s.commit()
+                return True
+
+            else:
+                return False
+
+        except Exception as ex:
+            raise click.ClickException(f"PatternController.updatePattern(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+
+    def findPattern(self, patternDescriptor):
+        
+        try:
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.show_id == int(patternDescriptor['show_id']), Pattern.pattern == str(patternDescriptor['pattern']))
+
+            if q.count():
+                pattern = q.first()
+                return int(pattern.id)
+            else:
+                return None
+
+        except Exception as ex:
+            raise click.ClickException(f"PatternController.findPattern(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def getPattern(self, patternId : int):
+
+        if type(patternId) is not int:
+            raise ValueError(f"PatternController.getPattern(): Argument patternId is required to be of type int")
+
+        try:
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.id == int(patternId))
+
+            if q.count():
+                # pattern = q.first()
+                #return self.getPatternDict(pattern)
+                return q.first()
+            else:
+                return None
+
+        except Exception as ex:
+            raise click.ClickException(f"PatternController.getPattern(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def deletePattern(self, patternId):
+        try:
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.id == int(patternId))
+
+            if q.count():
+
+                #DAFUQ: https://stackoverflow.com/a/19245058
+                # q.delete()
+                pattern = q.first()
+                s.delete(pattern)
+
+                s.commit()
+                return True
+            return False
+
+        except Exception as ex:
+            raise click.ClickException(f"PatternController.deletePattern(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def matchFilename(self, filename):
+
+        #SEASON_PATTERN = '[sS]([0-9]+)'
+        #EPISODE_PATTERN = '[eE]([0-9]+)'
+
+        #result = {}
+
+        try:
+            s = self.Session()
+            q = s.query(Pattern)
+
+            matchedPatterns = [p for p in q.all() if re.search(p.pattern, filename)]
+
+            if matchedPatterns:
+                return matchedPatterns[0]
+            else:
+                return None
+
+#             for pattern in q.all():
+# 
+#                 match = re.search(pattern.pattern, filename)
+#                 
+#                 if match:
+# 
+#                     result['pattern_id'] = pattern.id
+#                     result['show_id'] = pattern.show_id
+# 
+#                     result['indicator'] = match.group(1)
+# 
+#                     seasonMatch = re.search(SEASON_PATTERN, result['indicator'])
+#                     if seasonMatch:
+#                         result['season'] = int(seasonMatch.group(1))
+# 
+#                     episodeMatch = re.search(EPISODE_PATTERN, result['indicator'])
+#                     if episodeMatch:
+#                         result['episode'] = int(episodeMatch.group(1))
+
+
+        except Exception as ex:
+            raise click.ClickException(f"PatternController.findPattern(): {repr(ex)}")
+        finally:
+            s.close()
+
+        return result
+    
+
+    def getMediaDescriptor(self, patternId):
+
+        try:
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.id == int(patternId))
+
+            if q.count():
+                pattern = q.first()
+                #return self.getPatternDict(pattern)
+                return pattern.getMediaDescriptor()
+
+        except Exception as ex:
+            raise click.ClickException(f"PatternController.getPatternDescriptor(): {repr(ex)}")
+        finally:
+            s.close()

bin/ffx/pattern_delete_screen.py

@@ -0,0 +1,113 @@
+import click
+
+from textual import events
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label, ListView, ListItem, Static, DataTable, Button, Input
+from textual.containers import Grid, Horizontal
+
+from ffx.model.pattern import Pattern
+
+from .show_controller import ShowController
+from .pattern_controller import PatternController
+
+
+# Screen[dict[int, str, int]]
+class PatternDeleteScreen(Screen):
+
+    CSS = """
+
+    Grid {
+        grid-size: 2;
+        grid-rows: 2 auto;
+        grid-columns: 30 330;
+        height: 100%;
+        width: 100%;
+        padding: 1;
+    }
+
+    Input {
+        border: none;
+    }
+    Button {
+        border: none;
+    }
+    #toplabel {
+        height: 1;
+    }
+
+    .two {
+        column-span: 2;
+    }
+
+    .box {
+        height: 100%;
+        border: solid green;
+    }
+    """
+
+    def __init__(self, patternId = None, showId = None):
+        super().__init__()
+
+        self.context = self.app.getContext()
+        self.Session = self.context['database']['session'] # convenience
+
+        self.__pc = PatternController(context = self.context)
+        self.__sc = ShowController(context = self.context)
+
+        self.pattern_id = patternId
+        self.pattern_obj = self.__pc.getPatternDescriptor(patternId) if patternId is not None else {}
+        self.show_obj = self.__sc.getShowDesciptor(showId) if showId is not None else {}
+
+
+    def on_mount(self):
+        if self.show_obj:
+            self.query_one("#showlabel", Static).update(f"{self.show_obj['id']} - {self.show_obj['name']} ({self.show_obj['year']})")
+        if self.pattern_obj:
+            self.query_one("#patternlabel", Static).update(str(self.pattern_obj['pattern']))
+
+
+    def compose(self):
+
+        yield Header()
+
+        with Grid():
+
+            yield Static("Are you sure to delete the following filename pattern?", id="toplabel", classes="two")
+
+            yield Static("", classes="two")
+            
+            yield Static("Pattern")
+            yield Static("", id="patternlabel")
+
+            yield Static("", classes="two")
+
+            yield Static("from show")
+            yield Static("", id="showlabel")
+
+            yield Static("", classes="two")
+
+            yield Button("Delete", id="delete_button")
+            yield Button("Cancel", id="cancel_button")
+
+        yield Footer()
+
+
+   # Event handler for button press
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+
+        if event.button.id == "delete_button":
+
+            if self.pattern_id is None:
+                raise click.ClickException('PatternDeleteScreen.on_button_pressed(): pattern id is undefined')
+
+            if self.__pc.deletePattern(self.pattern_id):
+                self.dismiss(self.pattern_obj)
+
+            else:
+                #TODO: Meldung
+                self.app.pop_screen()
+
+        if event.button.id == "cancel_button":
+            self.app.pop_screen()
+

bin/ffx/pattern_details_screen.py

@@ -0,0 +1,462 @@
+import click, re
+
+from textual import events
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label, ListView, ListItem, Static, DataTable, Button, Input
+from textual.containers import Grid, Horizontal
+
+from ffx.model.show import Show
+from ffx.model.pattern import Pattern
+
+from .pattern_controller import PatternController
+from .show_controller import ShowController
+from .track_controller import TrackController
+
+from .track_details_screen import TrackDetailsScreen
+from .track_delete_screen import TrackDeleteScreen
+
+from ffx.track_type import TrackType
+
+from ffx.track_disposition import TrackDisposition
+from ffx.track_descriptor import TrackDescriptor
+
+from textual.widgets._data_table import CellDoesNotExist
+
+
+# Screen[dict[int, str, int]]
+class PatternDetailsScreen(Screen):
+
+    CSS = """
+
+    Grid {
+        grid-size: 5 12;
+        grid-rows: 2 2 2 2 2 6 2 2 6 2 2 2;
+        grid-columns: 25 25 25 25 25;
+        height: 100%;
+        width: 100%;
+        padding: 1;
+    }
+
+    Input {
+        border: none;
+    }
+    Button {
+        border: none;
+    }
+
+    DataTable {
+        min-height: 6;
+    }
+
+    #toplabel {
+        height: 1;
+    }
+    
+    .three {
+        column-span: 3;
+    }
+    
+    .four {
+        column-span: 4;
+    }
+    .five {
+        column-span: 5;
+    }
+
+    .box {
+        height: 100%;
+        border: solid green;
+    }
+    """
+
+    def __init__(self, patternId = None, showId = None):
+        super().__init__()
+
+        self.context = self.app.getContext()
+        self.Session = self.context['database']['session'] # convenience
+
+        self.__pc = PatternController(context = self.context)
+        self.__sc = ShowController(context = self.context)
+        self.__tc = TrackController(context = self.context)
+
+        self.__pattern = self.__pc.getPattern(patternId) if patternId is not None else None
+
+        self.show_obj = self.__sc.getShowDesciptor(showId) if showId is not None else {}
+
+
+    def loadTracks(self, show_id):
+
+        try:
+
+            tracks = {}
+            tracks['audio'] = {}
+            tracks['subtitle'] = {}
+
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.show_id == int(show_id))
+
+            return [{'id': int(p.id), 'pattern': p.pattern} for p in q.all()]
+
+        except Exception as ex:
+            raise click.ClickException(f"loadTracks(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def updateAudioTracks(self):
+
+        self.audioStreamsTable.clear()
+
+        if self.__pattern is not None:
+
+            audioTracks = self.__tc.findAudioTracks(self.__pattern.getId())
+
+            for at in audioTracks:
+
+                dispoSet = at.getDispositionSet()
+
+                row = (at.getSubIndex(),
+                        " ",
+                        at.getLanguage().label(),
+                        at.getTitle(),
+                        'Yes' if TrackDisposition.DEFAULT in dispoSet else 'No',
+                        'Yes' if TrackDisposition.FORCED in dispoSet else 'No')
+
+                self.audioStreamsTable.add_row(*map(str, row))
+
+    def updateSubtitleTracks(self):
+
+        self.subtitleStreamsTable.clear()
+
+        if self.__pattern is not None:
+
+            subtitleTracks = self.__tc.findSubtitleTracks(self.__pattern.getId())
+
+            for st in subtitleTracks:
+
+                dispoSet = st.getDispositionSet()
+
+                row = (st.getSubIndex(),
+                        " ",
+                        st.getLanguage().label(),
+                        st.getTitle(),
+                        'Yes' if TrackDisposition.DEFAULT in dispoSet else 'No',
+                        'Yes' if TrackDisposition.FORCED in dispoSet else 'No')
+
+                self.subtitleStreamsTable.add_row(*map(str, row))
+
+
+    def on_mount(self):
+
+        if self.show_obj:
+            self.query_one("#showlabel", Static).update(f"{self.show_obj['id']} - {self.show_obj['name']} ({self.show_obj['year']})")
+
+        if self.__pattern is not None:
+
+            self.query_one("#pattern_input", Input).value = str(self.__pattern.getPattern())
+
+            self.updateAudioTracks()
+            self.updateSubtitleTracks()
+
+
+    def compose(self):
+
+        self.audioStreamsTable = DataTable(classes="five")
+
+        # Define the columns with headers
+        self.column_key_audio_subid = self.audioStreamsTable.add_column("Subindex", width=20)
+        self.column_key_audio_layout = self.audioStreamsTable.add_column("Layout", width=20)
+        self.column_key_audio_language = self.audioStreamsTable.add_column("Language", width=20)
+        self.column_key_audio_title = self.audioStreamsTable.add_column("Title", width=30)
+        self.column_key_audio_default = self.audioStreamsTable.add_column("Default", width=10)
+        self.column_key_audio_forced = self.audioStreamsTable.add_column("Forced", width=10)
+
+        self.audioStreamsTable.cursor_type = 'row'
+
+
+        self.subtitleStreamsTable = DataTable(classes="five")
+
+        # Define the columns with headers
+        self.column_key_subtitle_subid = self.subtitleStreamsTable.add_column("Subindex", width=20)
+        self.column_key_subtitle_spacer = self.subtitleStreamsTable.add_column(" ", width=20)
+        self.column_key_subtitle_language = self.subtitleStreamsTable.add_column("Language", width=20)
+        self.column_key_subtitle_title = self.subtitleStreamsTable.add_column("Title", width=30)
+        self.column_key_subtitle_default = self.subtitleStreamsTable.add_column("Default", width=10)
+        self.column_key_subtitle_forced = self.subtitleStreamsTable.add_column("Forced", width=10)
+
+        self.subtitleStreamsTable.cursor_type = 'row'
+
+
+        yield Header()
+
+        with Grid():
+
+            # 1
+            yield Static("Edit filename pattern" if self.__pattern is not None else "New filename pattern", id="toplabel")
+            yield Input(type="text", id="pattern_input", classes="four")
+
+            # 2
+            yield Static("from show")
+            yield Static("", id="showlabel", classes="three")
+            yield Button("Substitute pattern", id="patternbutton")
+
+            # 3
+            yield Static(" ", classes="five")
+            # 4
+            yield Static(" ", classes="five")
+
+            # 5
+            yield Static("Audio streams")
+            yield Static(" ")
+
+            if self.__pattern is not None:
+                yield Button("Add", id="button_add_audio_stream")
+                yield Button("Edit", id="button_edit_audio_stream")
+                yield Button("Delete", id="button_delete_audio_stream")
+            else:
+                yield Static("")
+                yield Static("")
+                yield Static("")
+            # 6
+            yield self.audioStreamsTable
+
+            # 7
+            yield Static(" ", classes="five")
+
+            # 8
+            yield Static("Subtitle streams")
+            yield Static(" ")
+
+            if self.__pattern is not None:
+                yield Button("Add", id="button_add_subtitle_stream")
+                yield Button("Edit", id="button_edit_subtitle_stream")
+                yield Button("Delete", id="button_delete_subtitle_stream")
+            else:
+                yield Static("")
+                yield Static("")
+                yield Static("")
+            # 9
+            yield self.subtitleStreamsTable
+
+            # 10
+            yield Static(" ", classes="five")
+
+            # 11
+            yield Button("Save", id="save_button")
+            yield Button("Cancel", id="cancel_button")
+
+        yield Footer()
+
+
+    def getPatternFromInput(self):
+        return str(self.query_one("#pattern_input", Input).value)
+
+
+
+    def getSelectedAudioTrackDescriptor(self):
+
+        if not self.__pattern:
+            return None
+
+        try:
+
+            # Fetch the currently selected row when 'Enter' is pressed
+            #selected_row_index = self.table.cursor_row
+            row_key, col_key = self.audioStreamsTable.coordinate_to_cell_key(self.audioStreamsTable.cursor_coordinate)
+
+            if row_key is not None:
+                selected_track_data = self.audioStreamsTable.get_row(row_key)
+
+                subIndex = int(selected_track_data[0])
+
+                audioTrack =  self.__tc.findTrack(self.__pattern.getId(), TrackType.AUDIO, subIndex)
+
+                kwargs = {}
+
+                kwargs[TrackDescriptor.PATTERN_ID_KEY] = self.__pattern.getId()
+                kwargs[TrackDescriptor.SUB_INDEX_KEY] = subIndex
+
+                kwargs[TrackDescriptor.TRACK_TYPE_KEY] = TrackType.AUDIO
+                kwargs[TrackDescriptor.DISPOSITION_SET_KEY] = audioTrack.getDispositionSet()
+                kwargs[TrackDescriptor.TAGS_KEY] = audioTrack.getTags()
+
+                return TrackDescriptor(**kwargs)
+
+            else:
+                return None
+
+        except CellDoesNotExist:
+            return None
+
+
+    def getSelectedSubtitleTrackDescriptor(self):
+
+        if not self.__pattern is None:
+            return None
+
+        try:
+
+            # Fetch the currently selected row when 'Enter' is pressed
+            #selected_row_index = self.table.cursor_row
+            row_key, col_key = self.subtitleStreamsTable.coordinate_to_cell_key(self.subtitleStreamsTable.cursor_coordinate)
+
+            if row_key is not None:
+                selected_track_data = self.subtitleStreamsTable.get_row(row_key)
+
+                subIndex = int(selected_track_data[0])
+
+                subtitleTrack = self.__tc.findTrack(self.__pattern.getId(), TrackType.SUBTITLE, subIndex)
+
+                kwargs = {}
+
+                kwargs[TrackDescriptor.PATTERN_ID_KEY] = self.__pattern.getId()
+                kwargs[TrackDescriptor.SUB_INDEX_KEY] = subIndex
+
+                kwargs[TrackDescriptor.TRACK_TYPE_KEY] = TrackType.SUBTITLE
+                kwargs[TrackDescriptor.DISPOSITION_SET_KEY] = subtitleTrack.getDispositionSet()
+                kwargs[TrackDescriptor.TAGS_KEY] = subtitleTrack.getTags()
+
+                return TrackDescriptor(**kwargs)
+
+            else:
+                return None
+
+        except CellDoesNotExist:
+            return None
+
+
+
+   # Event handler for button press
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+        # Check if the button pressed is the one we are interested in
+        if event.button.id == "save_button":
+
+            patternDescriptor = {}
+            patternDescriptor['show_id'] = self.show_obj['id']
+            patternDescriptor['pattern'] = self.getPatternFromInput()
+
+            if self.__pattern is not None:
+
+                if self.__pc.updatePattern(self.__pattern.getId(), patternDescriptor):
+                    self.dismiss(patternDescriptor)
+                else:
+                    #TODO: Meldung
+                    self.app.pop_screen()
+
+            else:
+                if self.__pc.addPattern(patternDescriptor):
+                    self.dismiss(patternDescriptor)
+                else:
+                    #TODO: Meldung
+                    self.app.pop_screen()
+
+
+
+        if event.button.id == "cancel_button":
+            self.app.pop_screen()
+
+
+        # Save pattern when just created before adding streams
+        if self.__pattern is not None:
+
+            if event.button.id == "button_add_audio_stream":
+                self.app.push_screen(TrackDetailsScreen(trackType = TrackType.AUDIO, patternId = self.__pattern.getId(), subIndex = len(self.audioStreamsTable.rows)), self.handle_add_track)
+
+            selectedAudioTrack = self.getSelectedAudioTrackDescriptor()
+            if selectedAudioTrack is not None:
+                if event.button.id == "button_edit_audio_stream":
+
+                    self.app.push_screen(TrackDetailsScreen(trackDescriptor = selectedAudioTrack), self.handle_edit_track)
+                if event.button.id == "button_delete_audio_stream":
+                    self.app.push_screen(TrackDeleteScreen(trackDescriptor = selectedAudioTrack), self.handle_delete_track)
+            
+            if event.button.id == "button_add_subtitle_stream":
+                self.app.push_screen(TrackDetailsScreen(trackType = TrackType.SUBTITLE, patternId = self.__pattern.getId(), subIndex = len(self.subtitleStreamsTable.rows)), self.handle_add_track)
+
+            selectedSubtitleTrack = self.getSelectedSubtitleTrackDescriptor()
+            if selectedSubtitleTrack is not None:
+                if event.button.id == "button_edit_subtitle_stream":
+                    self.app.push_screen(TrackDetailsScreen(trackDescriptor = selectedSubtitleTrack), self.handle_edit_track)            
+                if event.button.id == "button_delete_subtitle_stream":
+                    self.app.push_screen(TrackDeleteScreen(trackDescriptor = selectedSubtitleTrack), self.handle_delete_track)
+
+        if event.button.id == "patternbutton":
+
+            INDICATOR_PATTERN = '([sS][0-9]+[eE][0-9]+)'
+
+            pattern = self.query_one("#pattern_input", Input).value
+
+            patternMatch = re.search(INDICATOR_PATTERN, pattern)
+
+            if patternMatch:
+                self.query_one("#pattern_input", Input).value = pattern.replace(patternMatch.group(1), INDICATOR_PATTERN)
+
+
+    def handle_add_track(self, trackDescriptor):
+
+        dispoSet = trackDescriptor.getDispositionSet()
+        trackType = trackDescriptor.getType()
+        subIndex = trackDescriptor.getSubIndex()
+        language = trackDescriptor.getLanguage()
+        title = trackDescriptor.getTitle()
+
+        if trackType == TrackType.AUDIO:
+
+            row = (subIndex,
+                    " ",
+                    language.label(),
+                    title,
+                    'Yes' if TrackDisposition.DEFAULT in dispoSet else 'No',
+                    'Yes' if TrackDisposition.FORCED in dispoSet else 'No')
+
+            self.audioStreamsTable.add_row(*map(str, row))
+
+        if trackType == TrackType.SUBTITLE:
+
+            row = (subIndex,
+                    " ",
+                    language.label(),
+                    title,
+                    'Yes' if TrackDisposition.DEFAULT in dispoSet else 'No',
+                    'Yes' if TrackDisposition.FORCED in dispoSet else 'No')
+
+            self.subtitleStreamsTable.add_row(*map(str, row))
+
+
+    def handle_edit_track(self, trackDescriptor : TrackDescriptor):
+
+        try:
+            if trackDescriptor.getType() == TrackType.AUDIO:
+
+                row_key, col_key = self.audioStreamsTable.coordinate_to_cell_key(self.audioStreamsTable.cursor_coordinate)
+
+                self.audioStreamsTable.update_cell(row_key, self.column_key_audio_language, trackDescriptor.getLanguage().label())
+                self.audioStreamsTable.update_cell(row_key, self.column_key_audio_title, trackDescriptor.getTitle())
+                self.audioStreamsTable.update_cell(row_key, self.column_key_audio_default, 'Yes' if TrackDisposition.DEFAULT in trackDescriptor.getDispositionSet() else 'No')
+                self.audioStreamsTable.update_cell(row_key, self.column_key_audio_forced, 'Yes' if TrackDisposition.FORCED in trackDescriptor.getDispositionSet() else 'No')
+
+            if trackDescriptor.getType() == TrackType.SUBTITLE:
+
+                row_key, col_key = self.subtitleStreamsTable.coordinate_to_cell_key(self.subtitleStreamsTable.cursor_coordinate)
+
+                self.subtitleStreamsTable.update_cell(row_key, self.column_key_subtitle_language, trackDescriptor.getLanguage().label())
+                self.subtitleStreamsTable.update_cell(row_key, self.column_key_subtitle_title, trackDescriptor.getTitle())
+                self.subtitleStreamsTable.update_cell(row_key, self.column_key_subtitle_default, 'Yes' if TrackDisposition.DEFAULT in trackDescriptor.getDispositionSet() else 'No')
+                self.subtitleStreamsTable.update_cell(row_key, self.column_key_subtitle_forced, 'Yes' if TrackDisposition.FORCED in trackDescriptor.getDispositionSet() else 'No')
+
+        except CellDoesNotExist:
+            pass
+
+
+    def handle_delete_track(self, trackDescriptor : TrackDescriptor):
+
+        try:
+            if trackDescriptor.getType() == TrackType.AUDIO:
+                self.updateAudioTracks()
+
+            if trackDescriptor.getType() == TrackType.SUBTITLE:
+                self.updateSubtitleTracks()
+
+        except CellDoesNotExist:
+            pass

bin/ffx/process.py

@@ -0,0 +1,16 @@
+import subprocess
+
+
+#class ProcessController():
+    
+    #def __init__(self, commandSequence):
+    #    self.__commandSequence = commandSequence
+
+def executeProcess(commandSequence):
+
+    process = subprocess.Popen(commandSequence, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+    output, error = process.communicate()
+    
+    return output.decode('utf-8'), error.decode('utf-8'), process.returncode
+

bin/ffx/settings_screen.py

@@ -0,0 +1,11 @@
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label
+
+class SettingsScreen(Screen):
+    def __init__(self):
+        super().__init__()
+        context = self.app.getContext()
+    def compose(self) -> ComposeResult:
+        yield Placeholder("Settings Screen")
+        yield Footer()

bin/ffx/show_controller.py

@@ -0,0 +1,118 @@
+import click
+
+from ffx.model.show import Show
+
+
+class ShowController():
+    
+    def __init__(self, context):
+        
+        self.context = context
+        self.Session = self.context['database']['session'] # convenience
+
+
+    def getShowDesciptor(self, showId):
+
+        try:
+            s = self.Session()
+            q = s.query(Show).filter(Show.id == showId)
+
+            showDescriptor = {}
+
+            if q.count():
+                show = q.first()
+                
+#                 showDescriptor['id'] = int(show.id)
+#                 showDescriptor['name'] = str(show.name)
+#                 showDescriptor['year'] = int(show.year)
+# 
+#                 showDescriptor['index_season_digits'] = int(show.index_season_digits)
+#                 showDescriptor['index_episode_digits'] = int(show.index_episode_digits)
+#                 showDescriptor['indicator_season_digits'] = int(show.indicator_season_digits)
+#                 showDescriptor['indicator_episode_digits'] = int(show.indicator_episode_digits)
+# 
+#             return showDescriptor
+                
+                return show.getDesciptor()
+
+
+        except Exception as ex:
+            raise click.ClickException(f"ShowController.getShowDesciptor(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def updateShow(self, showDescriptor):
+
+        try:
+            s = self.Session()
+            q = s.query(Show).filter(Show.id == showDescriptor['id'])
+
+            if not q.count():
+                show = Show(id = int(showDescriptor['id']),
+                        name = str(showDescriptor['name']),
+                        year = int(showDescriptor['year']),
+                        index_season_digits = showDescriptor['index_season_digits'],
+                        index_episode_digits = showDescriptor['index_episode_digits'],
+                        indicator_season_digits = showDescriptor['indicator_season_digits'],
+                        indicator_episode_digits = showDescriptor['indicator_episode_digits'])
+
+                s.add(show)
+                s.commit()
+                return True
+            else:
+
+                currentShow = q.first()
+
+                changed = False
+                if currentShow.name != str(showDescriptor['name']):
+                    currentShow.name = str(showDescriptor['name'])
+                    changed = True
+                if currentShow.year != int(showDescriptor['year']):
+                    currentShow.year = int(showDescriptor['year'])
+                    changed = True
+
+                if currentShow.index_season_digits != int(showDescriptor['index_season_digits']):
+                    currentShow.index_season_digits = int(showDescriptor['index_season_digits'])
+                    changed = True
+                if currentShow.index_episode_digits != int(showDescriptor['index_episode_digits']):
+                    currentShow.index_episode_digits = int(showDescriptor['index_episode_digits'])
+                    changed = True
+                if currentShow.indicator_season_digits != int(showDescriptor['indicator_season_digits']):
+                    currentShow.indicator_season_digits = int(showDescriptor['indicator_season_digits'])
+                    changed = True
+                if currentShow.indicator_episode_digits != int(showDescriptor['indicator_episode_digits']):
+                    currentShow.indicator_episode_digits = int(showDescriptor['indicator_episode_digits'])
+                    changed = True
+
+                if changed:
+                    s.commit()
+                return changed
+
+        except Exception as ex:
+            raise click.ClickException(f"ShowController.updateShow(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def deleteShow(self, show_id):
+        try:
+            s = self.Session()
+            q = s.query(Show).filter(Show.id == int(show_id))
+
+
+            if q.count():
+
+                #DAFUQ: https://stackoverflow.com/a/19245058
+                # q.delete()
+                show = q.first()
+                s.delete(show)
+
+                s.commit()
+                return True
+            return False
+
+        except Exception as ex:
+            raise click.ClickException(f"ShowController.deleteShow(): {repr(ex)}")
+        finally:
+            s.close()

bin/ffx/show_delete_screen.py

@@ -0,0 +1,101 @@
+import click
+
+from textual import events
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label, ListView, ListItem, Static, DataTable, Button, Input
+from textual.containers import Grid, Horizontal
+
+from ffx.model.show import Show
+
+from .show_controller import ShowController
+
+# Screen[dict[int, str, int]]
+class ShowDeleteScreen(Screen):
+
+    CSS = """
+
+    Grid {
+        grid-size: 2;
+        grid-rows: 2 auto;
+        grid-columns: 30 auto;
+        height: 100%;
+        width: 100%;
+        padding: 1;
+    }
+
+    Input {
+        border: none;
+    }
+    Button {
+        border: none;
+    }
+    #toplabel {
+        height: 1;        
+    }
+
+    .two {
+        column-span: 2;
+    }
+
+    .box {
+        height: 100%;
+        border: solid green;
+    }
+    """
+
+    def __init__(self, showId = None):
+        super().__init__()
+
+        self.context = self.app.getContext()
+        self.Session = self.context['database']['session'] # convenience
+
+        self.__sc = ShowController(context = self.context)
+        self.show_obj = self.__sc.getShowDesciptor(showId) if showId is not None else {}
+
+
+    def on_mount(self):
+
+        if self.show_obj:
+
+            self.query_one("#showlabel", Static).update(f"{self.show_obj['id']} - {self.show_obj['name']} ({self.show_obj['year']})")
+
+
+    def compose(self):
+
+        yield Header()
+
+        with Grid():
+
+            yield Static("Are you sure to delete the following show?", id="toplabel", classes="two")
+
+            yield Static("", classes="two")
+
+            yield Static("", id="showlabel")
+            yield Static("")
+
+            yield Static("", classes="two")
+
+            yield Static("", classes="two")
+
+            yield Button("Delete", id="delete_button")
+            yield Button("Cancel", id="cancel_button")
+
+
+        yield Footer()
+
+
+   # Event handler for button press
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+
+        if event.button.id == "delete_button":
+
+            if self.__sc.deleteShow(self.show_obj['id']):
+                self.dismiss(self.show_obj['id'])
+
+            else:
+                #TODO: Meldung
+                self.app.pop_screen()
+
+        if event.button.id == "cancel_button":
+            self.app.pop_screen()

bin/ffx/show_details_screen.py

@@ -0,0 +1,319 @@
+import click
+
+from textual import events
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label, ListView, ListItem, Static, DataTable, Button, Input
+from textual.containers import Grid, Horizontal
+from textual.widgets._data_table import CellDoesNotExist
+
+
+from ffx.model.show import Show
+from ffx.model.pattern import Pattern
+
+from .pattern_details_screen import PatternDetailsScreen
+from .pattern_delete_screen import PatternDeleteScreen
+
+from .show_controller import ShowController
+from .pattern_controller import PatternController
+
+# Screen[dict[int, str, int]]
+class ShowDetailsScreen(Screen):
+
+    CSS = """
+
+    Grid {
+        grid-size: 5 14;
+        grid-rows: 2 2 2 2 2 2 2 2 2 2 2 6 2 2;
+        grid-columns: 30 30 30 30 30;
+        height: 100%;
+        width: 100%;
+        padding: 1;
+    }
+
+    Input {
+        border: none;
+    }
+    Button {
+        border: none;
+    }
+    DataTable {
+        column-span: 2;
+        min-height: 5;
+    }
+
+    #toplabel {
+        height: 1;
+    }
+
+
+    .two {
+        column-span: 2;
+    }
+    .three {
+        column-span: 3;
+    }
+    .four {
+        column-span: 4;
+    }
+    .five {
+        column-span: 5;
+    }
+
+    .box {
+        height: 100%;
+        border: solid green;
+    }
+    """
+
+    BINDINGS = [
+        ("a", "add_pattern", "Add Pattern"),
+        ("e", "edit_pattern", "Edit Pattern"),
+        ("r", "remove_pattern", "Remove Pattern"),
+    ]
+
+    def __init__(self, showId = None):
+        super().__init__()
+
+        self.context = self.app.getContext()
+        self.Session = self.context['database']['session'] # convenience
+        
+        self.__sc = ShowController(context = self.context)
+        self.__pc = PatternController(context = self.context)
+
+        self.show_obj = self.__sc.getShowDesciptor(showId) if showId is not None else {}
+
+
+    def loadPatterns(self, show_id):
+
+        try:
+            s = self.Session()
+            q = s.query(Pattern).filter(Pattern.show_id == int(show_id))
+
+            return [{'id': int(p.id), 'pattern': p.pattern} for p in q.all()]
+
+        except Exception as ex:
+            click.ClickException(f"loadPatterns(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def on_mount(self):
+
+        if self.show_obj:
+
+            self.query_one("#id_wdg", Static).update(str(self.show_obj['id']))
+            self.query_one("#name_input", Input).value = str(self.show_obj['name'])
+            self.query_one("#year_input", Input).value = str(self.show_obj['year'])
+
+            self.query_one("#index_season_digits_input", Input).value = str(self.show_obj['index_season_digits'])
+            self.query_one("#index_episode_digits_input", Input).value = str(self.show_obj['index_episode_digits'])
+            self.query_one("#indicator_season_digits_input", Input).value = str(self.show_obj['indicator_season_digits'])
+            self.query_one("#indicator_episode_digits_input", Input).value = str(self.show_obj['indicator_episode_digits'])
+
+            for pattern in self.loadPatterns(int(self.show_obj['id'])):
+                row = (pattern['pattern'],)
+                self.patternTable.add_row(*map(str, row))
+
+        else:
+            
+            self.query_one("#index_season_digits_input", Input).value = "2"
+            self.query_one("#index_episode_digits_input", Input).value = "2"
+            self.query_one("#indicator_season_digits_input", Input).value = "2"
+            self.query_one("#indicator_episode_digits_input", Input).value = "2"
+
+
+    def getSelectedPatternDescriptor(self):
+
+        selectedPattern = {}
+
+        try:
+
+            # Fetch the currently selected row when 'Enter' is pressed
+            #selected_row_index = self.table.cursor_row
+            row_key, col_key = self.patternTable.coordinate_to_cell_key(self.patternTable.cursor_coordinate)
+
+            if row_key is not None:
+                selected_row_data = self.patternTable.get_row(row_key)
+
+                selectedPattern['show_id'] = self.show_obj['id']
+                selectedPattern['pattern'] = str(selected_row_data[0])
+
+        except CellDoesNotExist:
+            pass
+
+        return selectedPattern
+
+
+
+
+
+    def action_add_pattern(self):
+        if self.show_obj:
+            self.app.push_screen(PatternDetailsScreen(showId = self.show_obj['id']), self.handle_add_pattern) # <-
+
+
+    def handle_add_pattern(self, screenResult):
+
+        pattern = (screenResult['pattern'],)
+        self.patternTable.add_row(*map(str, pattern))
+
+
+    def action_edit_pattern(self):
+            
+        selectedPatternDescriptor = self.getSelectedPatternDescriptor()
+
+        if selectedPatternDescriptor:
+
+            selectedPatternId = self.__pc.findPattern(selectedPatternDescriptor)
+            
+            if selectedPatternId is None:
+                raise click.ClickException(f"ShowDetailsScreen.action_edit_pattern(): Pattern to remove has no id")
+
+            self.app.push_screen(PatternDetailsScreen(patternId = selectedPatternId, showId = self.show_obj['id']), self.handle_edit_pattern) # <-
+
+
+    def handle_edit_pattern(self, screenResult):
+
+        try:        
+
+            row_key, col_key = self.patternTable.coordinate_to_cell_key(self.patternTable.cursor_coordinate)
+            self.patternTable.update_cell(row_key, self.column_key_pattern, screenResult['pattern'])
+
+        except CellDoesNotExist:
+            pass
+
+
+    def action_remove_pattern(self):
+            
+        selectedPatternDescriptor = self.getSelectedPatternDescriptor()
+
+        if selectedPatternDescriptor:
+            
+            selectedPatternId = self.__pc.findPattern(selectedPatternDescriptor)
+            
+            if selectedPatternId is None:
+                raise click.ClickException(f"ShowDetailsScreen.action_remove_pattern(): Pattern to remove has no id")
+
+            self.app.push_screen(PatternDeleteScreen(patternId = selectedPatternId, showId = self.show_obj['id']), self.handle_remove_pattern)
+
+
+    def handle_remove_pattern(self, screenResult):
+
+        try:
+            row_key, col_key = self.patternTable.coordinate_to_cell_key(self.patternTable.cursor_coordinate)
+            self.patternTable.remove_row(row_key)
+
+        except CellDoesNotExist:
+            pass
+
+
+    def compose(self):
+
+        # Create the DataTable widget
+        self.patternTable = DataTable(classes="five")
+
+        # Define the columns with headers
+        self.column_key_pattern = self.patternTable.add_column("Pattern", width=150)
+        #self.column_key_name = self.patternTable.add_column("Name", width=50)
+        #self.column_key_year = self.patternTable.add_column("Year", width=10)
+
+        self.patternTable.cursor_type = 'row'
+
+
+        yield Header()
+
+        with Grid():
+
+            # 1
+            yield Static("Show" if self.show_obj else "New Show", id="toplabel", classes="five")
+
+            # 2
+            yield Static("ID")
+            if self.show_obj:
+                yield Static("", id="id_wdg", classes="four")
+            else:
+                yield Input(type="integer", id="id_wdg", classes="four")
+            
+            # 3
+            yield Static("Name")
+            yield Input(type="text", id="name_input", classes="four")
+
+            # 4
+            yield Static("Year")
+            yield Input(type="integer", id="year_input", classes="four")
+
+            #5
+            yield Static(" ", classes="five")
+
+            #6
+            yield Static("Index Season Digits")
+            yield Input(type="integer", id="index_season_digits_input", classes="four")
+
+            #7
+            yield Static("Index Episode Digits")
+            yield Input(type="integer", id="index_episode_digits_input", classes="four")
+
+            #8
+            yield Static("Indicator Season Digits")
+            yield Input(type="integer", id="indicator_season_digits_input", classes="four")
+
+            #9
+            yield Static("Indicator Edisode Digits")
+            yield Input(type="integer", id="indicator_episode_digits_input", classes="four")
+
+            # 10
+            yield Static(" ", classes="five")
+
+            # 11
+            yield Static("File patterns", classes="five")
+            # 12
+            yield self.patternTable
+
+            # 13
+            yield Static(" ", classes="five")
+
+            # 14
+            yield Button("Save", id="save_button")
+            yield Button("Cancel", id="cancel_button")
+
+
+        yield Footer()
+
+
+    def getShowDescriptorFromInput(self):
+
+        showDescriptor = {}
+
+        if self.show_obj:
+            showDescriptor['id'] = int(self.show_obj['id'])
+        else:
+            showDescriptor['id'] = int(self.query_one("#id_wdg", Input).value)
+
+        showDescriptor['name'] = str(self.query_one("#name_input", Input).value)
+        showDescriptor['year'] = int(self.query_one("#year_input", Input).value)
+        
+        showDescriptor['index_season_digits'] = int(self.query_one("#index_season_digits_input", Input).value)
+        showDescriptor['index_episode_digits'] = int(self.query_one("#index_episode_digits_input", Input).value)
+        showDescriptor['indicator_season_digits'] = int(self.query_one("#indicator_season_digits_input", Input).value)
+        showDescriptor['indicator_episode_digits'] = int(self.query_one("#indicator_episode_digits_input", Input).value)
+
+        return showDescriptor
+
+
+   # Event handler for button press
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+        # Check if the button pressed is the one we are interested in
+        if event.button.id == "save_button":
+
+            showDescriptor = self.getShowDescriptorFromInput()
+
+            if self.__sc.updateShow(showDescriptor):
+                self.dismiss(showDescriptor)
+            else:
+                #TODO: Meldung
+                self.app.pop_screen()
+
+        if event.button.id == "cancel_button":
+            self.app.pop_screen()
+

bin/ffx/shows_screen.py

@@ -0,0 +1,172 @@
+import click
+
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label, ListView, ListItem, Static, DataTable, Button
+from textual.containers import Grid, Horizontal
+
+from ffx.model.show import Show
+
+from .show_details_screen import ShowDetailsScreen
+from .show_delete_screen import ShowDeleteScreen
+
+from .help_screen import HelpScreen
+
+from textual.widgets._data_table import CellDoesNotExist
+
+
+class ShowsScreen(Screen):
+
+    CSS = """
+
+    Grid {
+        grid-size: 1;
+        grid-rows: 2 auto;
+        height: 100%;
+        width: 100%;
+        padding: 1;
+    }
+
+    #top {
+        height: 1;
+    }
+
+
+    #two {
+        column-span: 2;
+        row-span: 2;
+        tint: magenta 40%;
+    }
+
+    .box {
+        height: 100%;
+        border: solid green;
+    }
+    """
+
+    BINDINGS = [
+        ("e", "edit_show", "Edit Show"),
+        ("n", "new_show", "New Show"),
+        ("d", "delete_show", "Delete Show"),
+    ]
+
+
+
+    def __init__(self):
+        super().__init__()
+
+        self.context = self.app.getContext()
+
+        self.Session = self.context['database']['session'] # convenience
+
+
+
+    def getSelectedShowId(self):
+
+        try:
+            # Fetch the currently selected row when 'Enter' is pressed
+            #selected_row_index = self.table.cursor_row
+            row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
+
+            if row_key is not None:
+                selected_row_data = self.table.get_row(row_key)
+                
+                return selected_row_data[0]
+
+        except CellDoesNotExist:
+            return None
+
+
+
+
+    def action_new_show(self):
+        self.app.push_screen(ShowDetailsScreen(), self.handle_new_screen)
+
+    def handle_new_screen(self, screenResult):
+
+        show = (screenResult['id'], screenResult['name'], screenResult['year'])
+        self.table.add_row(*map(str, show))
+
+
+    def action_edit_show(self):
+            
+            selectedShowId = self.getSelectedShowId()
+
+            if selectedShowId is not None:
+                self.app.push_screen(ShowDetailsScreen(showId = selectedShowId), self.handle_edit_screen)
+
+
+    def handle_edit_screen(self, screenResult):
+
+        try:
+
+            row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
+
+            self.table.update_cell(row_key, self.column_key_name,  screenResult['name'])
+            self.table.update_cell(row_key, self.column_key_year,  screenResult['year'])        
+
+        except CellDoesNotExist:
+            pass
+
+
+
+
+    def action_delete_show(self):
+            
+        selectedShowId = self.getSelectedShowId()
+
+        if selectedShowId is not None:
+            self.app.push_screen(ShowDeleteScreen(showId = selectedShowId), self.handle_delete_show)
+
+
+    def handle_delete_show(self, screenResult):
+
+        try:
+            row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
+            self.table.remove_row(row_key)
+
+        except CellDoesNotExist:
+            pass
+
+
+
+    def loadShows(self):
+
+        try:
+            s = self.Session()
+            q = s.query(Show)
+
+            return [(int(s.id), s.name, s.year) for s in q.all()]
+
+        except Exception as ex:
+            raise click.ClickException(f"ShowsScreen.loadShows(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def on_mount(self) -> None:
+        for show in self.loadShows():
+            self.table.add_row(*map(str, show))  # Convert each element to a string before adding
+
+
+    def compose(self):
+
+        # Create the DataTable widget
+        self.table = DataTable()
+
+        # Define the columns with headers
+        self.column_key_id = self.table.add_column("ID", width=10)
+        self.column_key_name = self.table.add_column("Name", width=50)
+        self.column_key_year = self.table.add_column("Year", width=10)
+
+        self.table.cursor_type = 'row'
+
+        yield Header()
+
+        with Grid():
+
+            yield Static("Shows")
+
+            yield self.table
+
+        yield Footer()

bin/ffx/tag_controller.py

@@ -0,0 +1,193 @@
+import click
+
+from ffx.model.track import Track
+
+from .track_type import TrackType
+
+from .track_disposition import TrackDisposition
+from .iso_language import IsoLanguage
+
+from ffx.model.media_tag import MediaTag
+from ffx.model.track_tag import TrackTag
+
+
+class TagController():
+    
+    def __init__(self, context):
+        
+        self.context = context
+        self.Session = self.context['database']['session'] # convenience
+
+
+    def addMediaTag(self, trackDescriptor):
+
+        try:
+            s = self.Session()
+
+            track = Track(pattern_id = int(trackDescriptor['pattern_id']),
+
+                            track_type = int(trackDescriptor['type'].value),
+
+                            sub_index = int(trackDescriptor['sub_index']),
+
+                            # language = str(trackDescriptor['language'].threeLetter()),
+                            # title = str(trackDescriptor['title']),
+
+                            disposition_flags = int(TrackDisposition.toFlags(trackDescriptor['disposition_list'])))
+
+            s.add(track)
+            s.commit()
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.addTrack(): {repr(ex)}")
+        finally:
+            s.close()
+
+    def addTrackTag(self, trackDescriptor):
+
+        try:
+            s = self.Session()
+
+            track = Track(pattern_id = int(trackDescriptor['pattern_id']),
+
+                            track_type = int(trackDescriptor['type'].value),
+
+                            sub_index = int(trackDescriptor['sub_index']),
+
+                            # language = str(trackDescriptor['language'].threeLetter()),
+                            # title = str(trackDescriptor['title']),
+
+                            disposition_flags = int(TrackDisposition.toFlags(trackDescriptor['disposition_list'])))
+
+            s.add(track)
+            s.commit()
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.addTrack(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+
+    def updateTrack(self, trackId, trackDescriptor):
+
+        try:
+            s = self.Session()
+            q = s.query(Track).filter(Track.id == int(trackId))
+
+            if q.count():
+
+                track = q.first()
+
+                track.sub_index = int(trackDescriptor['sub_index'])
+                # track.language = str(trackDescriptor['language'].threeLetter())
+                # track.title = str(trackDescriptor['title'])
+                track.disposition_flags = int(TrackDisposition.toFlags(trackDescriptor['disposition_list']))
+
+                s.commit()
+
+                return True
+
+            else:
+                return False
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.addTrack(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def findAllTracks(self, patternId):
+
+        try:
+            s = self.Session()
+
+            trackDescriptors = {}
+            trackDescriptors[TrackType.AUDIO.label()] = []
+            trackDescriptors[TrackType.SUBTITLE.label()] = []
+
+            q_audio = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == TrackType.AUDIO.index())
+            for audioTrack in q_audio.all():
+                trackDescriptors[TrackType.AUDIO.label()].append(audioTrack.id)
+                
+            q_subtitle = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == TrackType.SUBTITLE.index())
+            for subtitleTrack in q_subtitle.all():
+                trackDescriptors[TrackType.SUBTITLE.label()].append(subtitleTrack.id)
+
+            return trackDescriptors
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.findAllTracks(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def findTrack(self, patternId, trackType : TrackType, subIndex):
+        
+        try:
+            s = self.Session()
+            q = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == trackType.value, Track.sub_index == int(subIndex))
+
+            if q.count():
+                track = q.first()
+                return int(track.id)
+            else:
+                return None
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.findTrack(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def getTrackDescriptor(self, trackId):
+
+        try:
+            s = self.Session()
+            q = s.query(Track).filter(Track.id == int(trackId))
+
+            if q.count():
+                track = q.first()
+                #return self.getTrackDict(track)
+                return track.getDescriptor()
+            else:
+                return {}
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.getTrackDescriptor(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def deleteTrack(self, trackId):
+        try:
+            s = self.Session()
+            q = s.query(Track).filter(Track.id == int(trackId))
+
+            if q.count():
+
+                trackDescriptor = self.getTrackDict(q.first())
+
+
+                q_siblings = s.query(Track).filter(Track.pattern_id == int(trackDescriptor['pattern_id']), Track.track_type == trackDescriptor['type'].value).order_by(Track.sub_index)
+
+                subIndex = 0
+                for track in q_siblings.all():
+
+                    if track.sub_index == trackDescriptor['sub_index']:
+                        s.delete(track)
+                    else:
+                        track.sub_index = subIndex
+                        subIndex += 1
+
+                s.commit()
+                return True
+
+
+            return False
+
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.deleteTrack(): {repr(ex)}")
+        finally:
+            s.close()

bin/ffx/tmdb_controller.py

@@ -0,0 +1,98 @@
+import os, click, requests
+
+
+class TmdbController():
+
+    DEFAULT_LANGUAGE = 'de-DE'
+
+    def __init__(self):
+                
+        try:  
+            self.__tmdbApiKey = os.environ['TMDB_API_KEY']
+        except KeyError: 
+            click.ClickException('TMDB api key is not available, please set environment variable TMDB_API_KEY')
+
+        self.tmdbLanguage = TmdbController.DEFAULT_LANGUAGE
+
+
+    def queryTmdb(self, showId, season, episode):
+        """
+        First level keys in the response object:
+        air_date str 'YYY-MM-DD'
+        crew []
+        episode_number int
+        guest_stars []
+        name str
+        overview str
+        id int
+        production_code
+        runtime int
+        season_number int
+        still_path str '/filename.jpg'
+        vote_average float
+        vote_count int
+        """
+        
+        urlParams = f"?language={self.tmdbLanguage}&api_key={self.__tmdbApiKey}"
+        
+        tmdbUrl = f"https://api.themoviedb.org/3/tv/{showId}/season/{season}/episode/{episode}{urlParams}"
+
+        return requests.get(tmdbUrl).json()
+
+
+    def getEpisodeFilename(self,
+                            showName,
+                            episodeName,
+                            season,
+                            episode,
+                            extension,
+                            indexSeasonDigits = 2,
+                            indexEpisodeDigits = 2,
+                            indicatorSeasonDigits = 2,
+                            indicatorEpisodeDigits = 2):
+        """
+        One Piece:
+        indexSeasonDigits = 0,
+        indexEpisodeDigits = 4,
+        indicatorSeasonDigits = 2,
+        indicatorEpisodeDigits = 4
+        
+        Three-Body:
+        indexSeasonDigits = 0,
+        indexEpisodeDigits = 2,
+        indicatorSeasonDigits = 2,
+        indicatorEpisodeDigits = 2
+        
+        Dragonball:
+        indexSeasonDigits = 0,
+        indexEpisodeDigits = 3,
+        indicatorSeasonDigits = 2,
+        indicatorEpisodeDigits = 3
+        
+        Boruto:
+        indexSeasonDigits = 0,
+        indexEpisodeDigits = 4,
+        indicatorSeasonDigits = 2,
+        indicatorEpisodeDigits = 4
+        """
+        filenameTokens = [str(showName), ' - ']
+        
+        if indexSeasonDigits:
+            filenameTokens += ['{num:{fill}{width}}'.format(num=season, fill='0', width=indexSeasonDigits)]
+        if indexEpisodeDigits:
+            filenameTokens += ['{num:{fill}{width}}'.format(num=episode, fill='0', width=indexEpisodeDigits)]
+        if indexSeasonDigits or indexEpisodeDigits:
+            filenameTokens += [' ']
+
+        filenameTokens += [episodeName]
+        
+        if indicatorSeasonDigits or indicatorEpisodeDigits:
+            filenameTokens += [' - ']
+        if indicatorSeasonDigits:
+            filenameTokens += ['S{num:{fill}{width}}'.format(num=season, fill='0', width=indicatorSeasonDigits)]
+        if indicatorEpisodeDigits:
+            filenameTokens += ['E{num:{fill}{width}}'.format(num=episode, fill='0', width=indicatorEpisodeDigits)]
+        
+        filenameTokens += ['.', extension]
+        
+        return ''.join(filenameTokens)

bin/ffx/track_controller.py

@@ -0,0 +1,178 @@
+import click
+
+from ffx.model.track import Track
+
+from .track_type import TrackType
+
+from .track_disposition import TrackDisposition
+from .iso_language import IsoLanguage
+
+from .track_type import TrackType
+
+from ffx.model.track_tag import TrackTag
+
+
+class TrackController():
+    
+    def __init__(self, context):
+        
+        self.context = context
+        self.Session = self.context['database']['session'] # convenience
+
+
+    def addTrack(self, trackDescriptor):
+
+        try:
+            s = self.Session()
+
+            track = Track(pattern_id = int(trackDescriptor.getPatternId()),
+                            track_type = int(trackDescriptor.getType().index()),
+                            sub_index = int(trackDescriptor.getSubIndex()),
+                            disposition_flags = int(TrackDisposition.toFlags(trackDescriptor.getDispositionSet())))
+
+            s.add(track)
+            s.commit()
+
+            for k,v in trackDescriptor.getTags().items():
+
+                tag = TrackTag(track_id = track.id,
+                                key = k,
+                                value = v)
+                s.add(tag)
+            s.commit()
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.addTrack(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def updateTrack(self, trackId, trackDescriptor):
+
+        try:
+            s = self.Session()
+            q = s.query(Track).filter(Track.id == int(trackId))
+
+            if q.count():
+
+                track = q.first()
+
+                track.sub_index = int(trackDescriptor['sub_index'])
+                # track.language = str(trackDescriptor['language'].threeLetter())
+                # track.title = str(trackDescriptor['title'])
+                track.disposition_flags = int(TrackDisposition.toFlags(trackDescriptor.getDispositionSet()))
+
+                s.commit()
+
+                return True
+
+            else:
+                return False
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.addTrack(): {repr(ex)}")
+        finally:
+            s.close()
+
+#
+#    def findAllTracks(self, patternId):
+#
+#        try:
+#            s = self.Session()
+#
+#            trackDescriptors = {}
+#            trackDescriptors[TrackType.AUDIO.label()] = []
+#            trackDescriptors[TrackType.SUBTITLE.label()] = []
+#
+#            q_audio = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == TrackType.AUDIO.index())
+#            for audioTrack in q_audio.all():
+#                trackDescriptors[TrackType.AUDIO.label()].append(audioTrack.id)
+#                
+#            q_subtitle = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == TrackType.SUBTITLE.index())
+#            for subtitleTrack in q_subtitle.all():
+#                trackDescriptors[TrackType.SUBTITLE.label()].append(subtitleTrack.id)
+#
+#            return trackDescriptors
+#
+#        except Exception as ex:
+#            raise click.ClickException(f"TrackController.findAllTracks(): {repr(ex)}")
+#        finally:
+#            s.close()
+#
+    def findAudioTracks(self, patternId):
+
+        try:
+            s = self.Session()
+
+            q = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == TrackType.AUDIO.index())
+            return [a for a in q.all()]
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.findAudioTracks(): {repr(ex)}")
+        finally:
+            s.close()
+
+    def findSubtitleTracks(self, patternId):
+
+        try:
+            s = self.Session()
+                
+            q = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == TrackType.SUBTITLE.index())
+            return [s for s in q.all()]
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.findSubtitleTracks(): {repr(ex)}")
+        finally:
+            s.close()
+
+
+    def findTrack(self, patternId : int, trackType : TrackType, subIndex : int):
+        
+        try:
+            s = self.Session()
+            q = s.query(Track).filter(Track.pattern_id == int(patternId), Track.track_type == trackType.index(), Track.sub_index == int(subIndex))
+
+            if q.count():
+                #track = q.first()
+                #return int(track.id)
+                return q.first()
+            else:
+                return None
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.findTrack(): {repr(ex)}")
+        finally:
+            s.close()
+
+    def deleteTrack(self, trackId):
+        try:
+            s = self.Session()
+            q = s.query(Track).filter(Track.id == int(trackId))
+
+            if q.count():
+
+                #trackDescriptor = self.getTrackDict(q.first())
+                track = q.first()
+
+                q_siblings = s.query(Track).filter(Track.pattern_id == track.getPatternId(), Track.track_type == track.getType().index()).order_by(Track.sub_index)
+
+                subIndex = 0
+                for track in q_siblings.all():
+
+                    if track.sub_index == track.getSubIndex():
+                        s.delete(track)
+                    else:
+                        track.sub_index = subIndex
+                        subIndex += 1
+
+                s.commit()
+                return True
+
+
+            return False
+
+
+        except Exception as ex:
+            raise click.ClickException(f"TrackController.deleteTrack(): {repr(ex)}")
+        finally:
+            s.close()

bin/ffx/track_delete_screen.py

@@ -0,0 +1,142 @@
+import click
+
+from textual import events
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label, ListView, ListItem, Static, DataTable, Button, Input
+from textual.containers import Grid, Horizontal
+
+from ffx.model.pattern import Pattern
+from ffx.track_descriptor import TrackDescriptor
+
+# from .show_controller import ShowController
+# from .pattern_controller import PatternController
+from .track_controller import TrackController
+
+from .track_type import TrackType
+
+# Screen[dict[int, str, int]]
+class TrackDeleteScreen(Screen):
+
+    CSS = """
+
+    Grid {
+        grid-size: 4 9;
+        grid-rows: 2 2 2 2 2 2 2 2 2;
+        grid-columns: 30 30 30 30;
+        height: 100%;
+        width: 100%;
+        padding: 1;
+    }
+
+    Input {
+        border: none;
+    }
+    Button {
+        border: none;
+    }
+    #toplabel {
+        height: 1;
+    }
+
+    .two {
+        column-span: 2;
+    }
+    .three {
+        column-span: 3;
+    }
+    .four {
+        column-span: 4;
+    }
+
+    .box {
+        height: 100%;
+        border: solid green;
+    }
+    """
+
+    def __init__(self, trackDescriptor : TrackDescriptor):
+        super().__init__()
+
+        self.context = self.app.getContext()
+        self.Session = self.context['database']['session'] # convenience
+
+        if type(trackDescriptor) is not TrackDescriptor:
+            raise click.ClickException('TrackDeleteScreen.init(): trackDescriptor is required to be of type TrackDescriptor')
+
+        self.__tc = TrackController(context = self.context)
+
+        self.__trackDescriptor = trackDescriptor
+
+
+    def on_mount(self):
+
+        self.query_one("#subindexlabel", Static).update(str(self.__trackDescriptor.getSubIndex()))
+        self.query_one("#patternlabel", Static).update(str(self.__trackDescriptor.getPatternId()))
+        self.query_one("#languagelabel", Static).update(str(self.__trackDescriptor.getLanguage().label()))
+        self.query_one("#titlelabel", Static).update(str(str(self.__trackDescriptor.getTitle())))
+
+
+    def compose(self):
+
+        yield Header()
+
+        with Grid():
+            
+            #1
+            yield Static(f"Are you sure to delete the following {self.__trackDescriptor.getType().label()} track?", id="toplabel", classes="four")
+
+            #2
+            yield Static("sub index")
+            yield Static(" ", id="subindexlabel", classes="three")
+
+            #3
+            yield Static("from pattern")
+            yield Static(" ", id="patternlabel", classes="three")
+
+            #4
+            yield Static(" ", classes="four")
+
+            #5
+            yield Static("Language")
+            yield Static(" ", id="languagelabel", classes="three")
+
+            #6
+            yield Static("Title")
+            yield Static(" ", id="titlelabel", classes="three")
+
+            #7
+            yield Static(" ", classes="four")
+
+            #8
+            yield Static(" ", classes="four")
+
+            #9
+            yield Button("Delete", id="delete_button")
+            yield Button("Cancel", id="cancel_button")
+
+        yield Footer()
+
+
+   # Event handler for button press
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+
+        if event.button.id == "delete_button":
+
+            track = self.__tc.findTrack(self.__trackDescriptor.getPatternId(), self.__trackDescriptor.getType(), self.__trackDescriptor.getSubIndex())
+
+            if track is None:
+                raise click.ClickException(f"Track is none: patternId={self.__trackDescriptor.getPatternId()} type={self.__trackDescriptor.getType()} subIndex={self.__trackDescriptor.getSubIndex()}")
+
+            if track is not None:
+
+                if self.__tc.deleteTrack(track.getId()):                    
+                    self.dismiss(self.__trackDescriptor)
+
+                else:
+                    #TODO: Meldung
+                    self.app.pop_screen()
+
+        if event.button.id == "cancel_button":
+            self.app.pop_screen()
+

bin/ffx/track_descriptor.py

@@ -0,0 +1,170 @@
+from .iso_language import IsoLanguage
+from .track_type import TrackType
+from .audio_layout import AudioLayout
+from .track_disposition import TrackDisposition
+
+
+class TrackDescriptor():
+    
+        INDEX_KEY = 'index'
+        SUB_INDEX_KEY = 'sub_index'
+        PATTERN_ID_KEY = 'pattern_id'
+
+        TRACK_TYPE_KEY = 'track_type'
+        DISPOSITION_SET_KEY = 'disposition_set'
+        TAGS_KEY = 'tags'
+        AUDIO_LAYOUT_KEY = 'audio_layout'
+
+        FFPROBE_DISPOSITION_KEY = 'disposition'
+        FFPROBE_TAGS_KEY = 'tags'
+
+        def __init__(self, **kwargs):
+
+                if TrackDescriptor.PATTERN_ID_KEY in kwargs.keys():
+                        if type(kwargs[TrackDescriptor.PATTERN_ID_KEY]) is not int:
+                                raise TypeError(f"TrackDesciptor.__init__(): Argument {TrackDescriptor.PATTERN_ID_KEY} is required to be of type int")
+                        self.__patternId = kwargs[TrackDescriptor.PATTERN_ID_KEY]
+                else:
+                        self.__patternId = -1
+
+                if TrackDescriptor.INDEX_KEY in kwargs.keys():
+                        if type(kwargs[TrackDescriptor.INDEX_KEY]) is not int:
+                                raise TypeError(f"TrackDesciptor.__init__(): Argument {TrackDescriptor.INDEX_KEY} is required to be of type int")
+                        self.__index = kwargs[TrackDescriptor.INDEX_KEY]
+                else:
+                        self.__index = -1
+
+                if TrackDescriptor.SUB_INDEX_KEY in kwargs.keys():
+                        if type(kwargs[TrackDescriptor.SUB_INDEX_KEY]) is not int:
+                                raise TypeError(f"TrackDesciptor.__init__(): Argument {TrackDescriptor.SUB_INDEX_KEY} is required to be of type dict")
+                        self.__subIndex = kwargs[TrackDescriptor.SUB_INDEX_KEY]
+                else:
+                        self.__subIndex = -1
+
+
+                if TrackDescriptor.TRACK_TYPE_KEY in kwargs.keys():
+                        if type(kwargs[TrackDescriptor.TRACK_TYPE_KEY]) is not TrackType:
+                                raise TypeError(f"TrackDesciptor.__init__(): Argument {TrackDescriptor.TRACK_TYPE_KEY} is required to be of type TrackType")
+                        self.__trackType = kwargs[TrackDescriptor.TRACK_TYPE_KEY]
+                else:
+                        self.__trackType = TrackType.UNKNOWN
+
+                if TrackDescriptor.TAGS_KEY in kwargs.keys():
+                        if type(kwargs[TrackDescriptor.TAGS_KEY]) is not dict:
+                                raise TypeError(f"TrackDesciptor.__init__(): Argument {TrackDescriptor.TAGS_KEY} is required to be of type dict")
+                        self.__trackTags = kwargs[TrackDescriptor.TAGS_KEY]
+                else:
+                        self.__trackTags = {}
+
+                if TrackDescriptor.DISPOSITION_SET_KEY in kwargs.keys():
+                        if type(kwargs[TrackDescriptor.DISPOSITION_SET_KEY]) is not set:
+                                raise TypeError(f"TrackDesciptor.__init__(): Argument {TrackDescriptor.DISPOSITION_SET_KEY} is required to be of type set")
+                        for d in kwargs[TrackDescriptor.DISPOSITION_SET_KEY]:
+                                if type(d) is not TrackDisposition:
+                                        raise TypeError(f"TrackDesciptor.__init__(): All elements of argument set {TrackDescriptor.DISPOSITION_SET_KEY} is required to be of type TrackDisposition")
+                        self.__dispositionSet = kwargs[TrackDescriptor.DISPOSITION_SET_KEY]
+                else:
+                        self.__dispositionSet = set()
+
+                if TrackDescriptor.AUDIO_LAYOUT_KEY in kwargs.keys():
+                        if type(kwargs[TrackDescriptor.AUDIO_LAYOUT_KEY]) is not AudioLayout:
+                                raise TypeError(f"TrackDesciptor.__init__(): Argument {TrackDescriptor.AUDIO_LAYOUT_KEY} is required to be of type AudioLayout")
+                        self.__audioLayout = kwargs[TrackDescriptor.AUDIO_LAYOUT_KEY]
+                else:
+                        self.__audioLayout = AudioLayout.LAYOUT_UNDEFINED
+
+
+        @classmethod
+        def fromFfprobe(cls, streamObj):
+                """Processes ffprobe stream data as array with elements according to the following example      
+                {
+                "index": 4,
+                "codec_name": "hdmv_pgs_subtitle",
+                "codec_long_name": "HDMV Presentation Graphic Stream subtitles",
+                "codec_type": "subtitle",
+                "codec_tag_string": "[0][0][0][0]",
+                "codec_tag": "0x0000",
+                "r_frame_rate": "0/0",
+                "avg_frame_rate": "0/0",
+                "time_base": "1/1000",
+                "start_pts": 0,
+                "start_time": "0.000000",
+                "duration_ts": 1421035,
+                "duration": "1421.035000",
+                "disposition": {
+                        "default": 1,
+                        "dub": 0,
+                        "original": 0,
+                        "comment": 0,
+                        "lyrics": 0,
+                        "karaoke": 0,
+                        "forced": 0,
+                        "hearing_impaired": 0,
+                        "visual_impaired": 0,
+                        "clean_effects": 0,
+                        "attached_pic": 0,
+                        "timed_thumbnails": 0,
+                        "non_diegetic": 0,
+                        "captions": 0,
+                        "descriptions": 0,
+                        "metadata": 0,
+                        "dependent": 0,
+                        "still_image": 0
+                },
+                "tags": {
+                        "language": "ger",
+                        "title": "German Full"
+                }
+                }
+                """
+
+                trackType = TrackType.fromLabel(streamObj['codec_type']) if 'codec_type' in streamObj.keys() else TrackType.UNKNOWN
+
+                if trackType != TrackType.UNKNOWN:
+
+                        kwargs = {}
+                        kwargs[TrackDescriptor.TRACK_TYPE_KEY]          = trackType
+                        kwargs[TrackDescriptor.DISPOSITION_SET_KEY]     = {t for d in (k for (k,v) in streamObj[TrackDescriptor.FFPROBE_DISPOSITION_KEY].items() if v)
+                                                                                if (t := TrackDisposition.find(d)) if t is not None} if TrackDescriptor.FFPROBE_DISPOSITION_KEY in streamObj.keys() else set()
+                        kwargs[TrackDescriptor.TAGS_KEY]                = streamObj[TrackDescriptor.FFPROBE_TAGS_KEY] if TrackDescriptor.FFPROBE_TAGS_KEY in streamObj.keys() else {}
+                        kwargs[TrackDescriptor.AUDIO_LAYOUT_KEY]        = AudioLayout.identify(streamObj) if trackType == TrackType.AUDIO.label() else AudioLayout.LAYOUT_UNDEFINED
+
+                        return cls(**kwargs)
+                else:
+                        return None
+
+
+        def getPatternId(self):
+                return self.__patternId
+
+        def getIndex(self):
+                return self.__index
+
+        def getSubIndex(self):
+                return self.__subIndex
+
+
+        def getType(self):
+                return self.__trackType
+
+        def getLanguage(self):
+                if 'language' in self.__trackTags.keys():
+                       return IsoLanguage.findThreeLetter(self.__trackTags['language'])
+                else:
+                       return IsoLanguage.UNDEFINED
+
+        def getTitle(self):
+                if 'title' in self.__trackTags.keys():
+                       return str(self.__trackTags['title'])
+                else:
+                       return ''
+
+        def getAudioLayout(self):
+                return self.__audioLayout
+
+
+        def getTags(self):
+                return self.__trackTags
+        
+        def getDispositionSet(self):
+                return self.__dispositionSet

bin/ffx/track_details_screen.py

@@ -0,0 +1,310 @@
+import click, time
+
+from textual import events
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label, ListView, ListItem, Static, DataTable, Button, Input, Checkbox, SelectionList, Select
+from textual.containers import Grid, Horizontal
+
+
+from ffx.model.show import Show
+from ffx.model.pattern import Pattern
+
+from .track_controller import TrackController
+from .pattern_controller import PatternController
+# from .show_controller import ShowController
+
+from .track_type import TrackType
+
+from .iso_language import IsoLanguage
+from .track_disposition import TrackDisposition
+from .audio_layout import AudioLayout
+
+from .track_descriptor import TrackDescriptor
+
+
+# Screen[dict[int, str, int]]
+class TrackDetailsScreen(Screen):
+
+    CSS = """
+
+    Grid {
+        grid-size: 5 20;
+        grid-rows: 2 2 2 2 2 3 2 2 2 2 2 6 2 2 6 2 2 2 2 6;
+        grid-columns: 25 25 25 25 225;
+        height: 100%;
+        width: 100%;
+        padding: 1;
+    }
+
+    Input {
+        border: none;
+    }
+    Button {
+        border: none;
+    }
+    SelectionList {
+        border: none;
+        min-height: 6;
+    }
+    Select {
+        border: none;
+    }
+    DataTable {
+        min-height: 6;
+    }
+
+    #toplabel {
+        height: 1;
+    }
+
+    .two {
+        column-span: 2;
+    }
+    .three {
+        column-span: 3;
+    }
+    
+    .four {
+        column-span: 4;
+    }
+    .five {
+        column-span: 5;
+    }
+
+    .box {
+        height: 100%;
+        border: solid green;
+    }
+    """
+
+    def __init__(self, trackDescriptor = None, patternId = None, trackType : TrackType = None, subIndex = None):
+        super().__init__()
+
+        self.context = self.app.getContext()
+        self.Session = self.context['database']['session'] # convenience
+
+        self.__tc = TrackController(context = self.context)
+        self.__pc = PatternController(context = self.context)
+
+    
+        INDEX_KEY = 'index'
+        SUB_INDEX_KEY = 'sub_index'
+        PATTERN_ID_KEY = 'pattern_id'
+
+        TRACK_TYPE_KEY = 'track_type'
+        DISPOSITION_SET_KEY = 'disposition_set'
+        TAGS_KEY = 'tags'
+        AUDIO_LAYOUT_KEY = 'audio_layout'
+        
+#         if trackDescriptor is None:
+#             self.__trackDescriptor = TrackDescriptor(index=,
+#                                                      sub_index=
+#                                                      pattern_id=patternId,
+#                                                      track_type=trackType)
+#         else:
+
+        self.__isNew = trackDescriptor is None
+        if self.__isNew:
+            self.__trackType = trackType
+            self.__subIndex = subIndex
+            self.__trackDescriptor = None
+            self.__pattern = self.__pc.getPattern(patternId) if patternId is not None else {}
+        else:
+            self.__trackType = trackDescriptor.getType()
+            self.__subIndex = trackDescriptor.getSubIndex()
+            self.__trackDescriptor = trackDescriptor
+            self.__pattern = self.__pc.getPattern(self.__trackDescriptor.getPatternId())
+
+
+    def on_mount(self):
+
+        if self.__pattern is not None:
+            self.query_one("#patternlabel", Static).update(self.__pattern.getPattern())
+
+
+        if self.__subIndex is not None:
+            self.query_one("#subindexlabel", Static).update(str(self.__subIndex))
+
+
+
+        for d in TrackDisposition:
+
+            dispositionIsSet = (self.__trackDescriptor is not None
+                                and d in self.__trackDescriptor.getDispositionSet())
+
+            dispositionOption = (d.label(), d.index(), dispositionIsSet)
+            self.query_one("#dispositions_selection_list", SelectionList).add_option(dispositionOption) 
+
+        if self.__trackDescriptor is not None:
+
+            self.query_one("#language_select", Select).value = self.__trackDescriptor.getLanguage().label()
+            self.query_one("#title_input", Input).value = self.__trackDescriptor.getTitle()
+
+
+    def compose(self):
+
+        self.trackTagsTable = DataTable(classes="five")
+
+        # Define the columns with headers
+        self.column_key_track_tag_key = self.trackTagsTable.add_column("Key", width=10)
+        self.column_key_track_tag_value = self.trackTagsTable.add_column("Value", width=30)
+
+        self.trackTagsTable.cursor_type = 'row'
+
+
+        languages = [l.label() for l in IsoLanguage]
+
+        yield Header()
+
+        with Grid():
+
+            # 1
+            yield Static(f"New {self.__trackType.label()} stream" if self.__isNew else f"Edit {self.__trackType.label()} stream", id="toplabel", classes="five")
+
+            # 2
+            yield Static("for pattern")
+            yield Static("", id="patternlabel", classes="four")
+
+            # 3
+            yield Static("sub index")
+            yield Static("", id="subindexlabel", classes="four")
+
+            # 4
+            yield Static(" ", classes="five")
+            # 5
+            yield Static(" ", classes="five")
+
+            # 6
+            yield Static("Language")
+            yield Select.from_values(languages, classes="four", id="language_select")
+            # 7
+            yield Static(" ", classes="five")
+
+            # 8
+            yield Static("Title")
+            yield Input(id="title_input", classes="four")
+
+            # 9
+            yield Static(" ", classes="five")
+
+            # 10
+            yield Static(" ", classes="five")
+
+            # 11
+            yield Static("Stream tags")
+            yield Static(" ", classes="two")
+            yield Button("Add", id="button_add_stream_tag")
+            yield Button("Delete", id="button_delete_stream_tag")
+            # 12
+            yield self.trackTagsTable
+
+            # 13
+            yield Static(" ", classes="five")
+
+            # 14
+            yield Static("Stream dispositions", classes="five")
+
+            # 15
+            yield SelectionList[int](
+                classes="five",
+                id = "dispositions_selection_list"
+            )
+
+            # 16
+            yield Static(" ", classes="five")
+            # 17
+            yield Static(" ", classes="five")
+
+            # 18
+            yield Button("Save", id="save_button")
+            yield Button("Cancel", id="cancel_button")
+
+            # 19
+            yield Static(" ", classes="five")
+
+            # 20
+            yield Static(" ", classes="five", id="messagestatic")
+
+
+        yield Footer(id="footer")
+
+
+    def getTrackDescriptorFromInput(self):
+
+        kwargs = {}
+
+        kwargs[TrackDescriptor.PATTERN_ID_KEY] = int(self.__pattern.getId())
+
+        kwargs[TrackDescriptor.INDEX_KEY] = -1
+        kwargs[TrackDescriptor.SUB_INDEX_KEY] = self.__subIndex
+
+        kwargs[TrackDescriptor.TRACK_TYPE_KEY] = self.__trackType
+
+        trackTags = {}
+        language = self.query_one("#language_select", Select).value
+        # raise click.ClickException(f"language={language}")
+        if language:
+            trackTags['language'] = IsoLanguage.find(language).threeLetter()
+        title = self.query_one("#title_input", Input).value
+        if title:
+            trackTags['title'] = title
+        kwargs[TrackDescriptor.TAGS_KEY] = trackTags
+
+        dispositionFlags = sum([2**f for f in self.query_one("#dispositions_selection_list", SelectionList).selected])
+        kwargs[TrackDescriptor.DISPOSITION_SET_KEY] = TrackDisposition.toSet(dispositionFlags)
+
+        kwargs[TrackDescriptor.AUDIO_LAYOUT_KEY] = AudioLayout.LAYOUT_UNDEFINED
+
+        return TrackDescriptor(**kwargs)
+
+
+   # Event handler for button press
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+
+        # Check if the button pressed is the one we are interested in
+        if event.button.id == "save_button":
+
+            trackDescriptor = self.getTrackDescriptorFromInput()
+
+            # Check for multiple default/forced disposition flags
+
+            if self.__trackType == TrackType.AUDIO:
+                trackList = self.__tc.findAudioTracks(self.__pattern.getId())
+            elif self.__trackType == TrackType.SUBTITLE:
+                trackList = self.__tc.findSubtitleTracks(self.__pattern.getId())
+            else:
+                trackList = []
+
+            siblingTrackList = [t for t in trackList if t.getType() == self.__trackType and t.getSubIndex() != self.__subIndex]
+
+            numDefaultTracks = len([t for t in siblingTrackList if TrackDisposition.DEFAULT in t.getDispositionSet()])
+            numForcedTracks = len([t for t in siblingTrackList if TrackDisposition.FORCED in t.getDispositionSet()])
+
+            if ((TrackDisposition.DEFAULT in trackDescriptor.getDispositionSet() and numDefaultTracks)
+                    or (TrackDisposition.FORCED in trackDescriptor.getDispositionSet() and numForcedTracks)):
+
+                self.query_one("#messagestatic", Static).update("Cannot add another stream with disposition flag 'debug' or 'forced' set")
+      
+            else:
+
+                self.query_one("#messagestatic", Static).update(" ")
+
+                if self.__isNew:
+
+                    self.__tc.addTrack(trackDescriptor)
+                    self.dismiss(trackDescriptor)
+
+                else:
+
+                    trackId = self.__tc.findTrack(self.__pattern.getId(), self.__trackType, self.__subIndex)
+
+                    if self.__tc.updateTrack(trackId, trackDescriptor):
+                        self.dismiss(trackDescriptor)
+
+                    else:
+                        self.app.pop_screen()
+
+
+        if event.button.id == "cancel_button":
+            self.app.pop_screen()

bin/ffx/track_disposition.py

@@ -0,0 +1,65 @@
+import difflib, click
+
+from enum import Enum
+
+
+class TrackDisposition(Enum):
+
+    DEFAULT             = {"name": "default", "index": 0}
+    FORCED              = {"name": "forced", "index": 1}
+
+    DUB                 = {"name": "dub", "index": 2}
+    ORIGINAL            = {"name": "original", "index": 3}
+    COMMENT             = {"name": "comment", "index": 4}
+    LYRICS              = {"name": "lyrics", "index": 5}
+    KARAOKE             = {"name": "karaoke", "index": 6}
+    HEARING_IMPAIRED    = {"name": "hearing_impaired", "index": 7}
+    VISUAL_IMPAIRED     = {"name": "visual_impaired", "index": 8}
+    CLEAN_EFFECTS       = {"name": "clean_effects", "index": 9}
+    ATTACHED_PIC        = {"name": "attached_pic", "index": 10}
+    TIMED_THUMBNAILS    = {"name": "timed_thumbnails", "index": 11}
+    NON_DIEGETICS       = {"name": "non_diegetic", "index": 12}
+    CAPTIONS            = {"name": "captions", "index": 13}
+    DESCRIPTIONS        = {"name": "descriptions", "index": 14}
+    METADATA            = {"name": "metadata", "index": 15}
+    DEPENDENT           = {"name": "dependent", "index": 16}
+    STILL_IMAGE         = {"name": "still_image", "index": 17}
+
+
+    def label(self):
+        return str(self.value['name'])
+
+    def index(self):
+        return int(self.value['index'])
+
+
+    @staticmethod
+    def toFlags(dispositionSet):
+        """Flags stored in integer bits (2**index)"""
+
+        if type(dispositionSet) is not set:
+            raise click.ClickException('TrackDisposition.toFlags(): Argument is not of type set')
+
+        flags = 0
+        for d in dispositionSet:
+            if type(d) is not TrackDisposition:
+                raise click.ClickException('TrackDisposition.toFlags(): Element not of type TrackDisposition')
+            flags += 2 ** d.index()
+        return flags
+
+    @staticmethod
+    def toSet(flags):
+        dispositionSet = set()
+        for d in TrackDisposition:
+            if flags & int(2 ** d.index()):
+                dispositionSet.add(d)
+        return dispositionSet
+
+
+    @staticmethod
+    def find(label):
+        matchingDispositions = [d for d in TrackDisposition if d.label() == str(label)]
+        if matchingDispositions:
+            return matchingDispositions[0]
+        else:
+            return None

bin/ffx/track_type.py

@@ -0,0 +1,34 @@
+from enum import Enum
+
+class TrackType(Enum):
+
+    VIDEO       = {'label': 'video', 'index': 1}
+    AUDIO       = {'label': 'audio', 'index': 2}
+    SUBTITLE    = {'label': 'subtitle', 'index': 3}
+
+    UNKNOWN    = {'label': 'unknown', 'index': 0}
+
+
+    def label(self):
+        """Returns the stream type as string"""
+        return str(self.value['label'])
+
+    def index(self):
+        """Returns the stream type index"""
+        return int(self.value['index'])
+
+    @staticmethod
+    def fromLabel(label):
+        tlist = [t for t in TrackType if t.value['label'] == label]
+        if tlist:
+            return tlist[0]
+        else:
+            return TrackType.UNKNOWN
+
+    @staticmethod
+    def fromIndex(index):
+        tlist = [t for t in TrackType if t.value['index'] == index]
+        if tlist:
+            return tlist[0]
+        else:
+            return TrackType.UNKNOWN

bin/ffx/warning_screen.py

@@ -0,0 +1,11 @@
+from textual.app import App, ComposeResult
+from textual.screen import Screen
+from textual.widgets import Header, Footer, Placeholder, Label
+
+class WarningScreen(Screen):
+    def __init__(self):
+        super().__init__()
+        context = self.app.getContext()
+    def compose(self) -> ComposeResult:
+        yield Label("Warning! This file is not compliant to the defined source schema!")
+        yield Footer()