First functional commit

.gitignore

@@ -0,0 +1,142 @@
+# ---> Python
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# Local stuff
+/config_local.py

.vscode/launch.json

@@ -0,0 +1,15 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: Current File",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal"
+        }
+    ]
+}

LICENSE

@@ -0,0 +1,19 @@
+MIT License Copyright (c) <year> <copyright holders>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -0,0 +1,3 @@
+# video-compression-handbrake
+
+Computes best way to compress with very little destruction a video library using the AMD VCE H.265. Creates Handbrake queue file that can be imported and ran. Uses MediaInfo CLI

config.py

@@ -0,0 +1,8 @@
+from pathlib import Path
+
+class Config:
+    QUEUE_FILE = "queue.json"
+    MEDIAINFO_BINARY=Path("/")
+    BASE_PATH = Path("/path/to/videos")
+    DESTINATION_PATH = Path("/where/to/save/result")
+    LOW_BITRATE_THRESHOLD = 550

jobdef.py

@@ -0,0 +1,234 @@
+from minfo import MediaInfo
+from pathlib import Path
+
+class Configuration:
+    def __init__(self):
+        pass
+
+    def as_dict(self):
+        return {
+            "IsDvdNavDisabled": False,
+            "EnableQuickSyncDecoding": False,
+            "UseQSVDecodeForNonQSVEnc": False,
+            "ScalingMode": 0,
+            "PreviewScanCount": 10,
+            "Verbosity": 1,
+            "MinScanDuration": 10,
+            "SaveLogToCopyDirectory": False,
+            "SaveLogWithVideo": False,
+            "SaveLogCopyDirectory": "",
+            "RemoteServiceEnabled": False,
+            "RemoteServicePort": 0,
+            "EnableVceEncoder": True,
+            "EnableNvencEncoder": False,
+            "EnableQsvEncoder": False
+        }
+
+class Statistics:
+    def __init__(self):
+        pass
+
+    def as_dict(self):
+        return {
+            "StartTime": "0001-01-01T00:00:00",
+            "StartTimeDisplay": "Not Available",
+            "EndTime": "0001-01-01T00:00:00",
+            "EndTimeDisplay": "",
+            "PausedDuration": "00:00:00",
+            "PausedDisplay": "",
+            "Duration": "00:00:00",
+            "DurationDisplay": "",
+            "FinalFileSizeInMegaBytes": 0,
+            "FileSizeDisplay": "",
+            "IsNotifying": True
+        }
+
+class AllowedPassthruOptions:
+    def __init__(self):
+        pass
+
+    def as_dict(self):
+        return {
+            "AudioAllowAACPass": True,
+            "AudioAllowAC3Pass": True,
+            "AudioAllowDTSHDPass": True,
+            "AudioAllowDTSPass": True,
+            "AudioAllowMP3Pass": True,
+            "AudioAllowTrueHDPass": True,
+            "AudioAllowFlacPass": True,
+            "AudioAllowEAC3Pass": True,
+            "AudioEncoderFallback": 5,
+            "AllowedPassthruOptions": [
+                13,
+                8,
+                11,
+                10,
+                14,
+                12,
+                18,
+                9
+            ]
+        }
+
+class AudioTrack:
+    def __init__(self, minfo: MediaInfo):
+        self.minfo = minfo
+
+    def as_dict(self):
+        return {
+            "DRC": 0.0,
+            "Gain": 0,
+            "Encoder": 7,
+            "SampleRate": 0.0,
+            "EncoderRateType": 0,
+            "Bitrate": 160,
+            "Quality": -1.0,
+            "ScannedTrack": {
+                "TrackNumber": 1,
+                "Language": self.minfo.tracks[0].language,
+                # "LanguageCode": "und",
+                "Name": self.minfo.tracks[0].name,
+                #"Codec": 65536,
+                # aac is 65536
+                # mp3 is 524288
+                #"SampleRate": 32000,
+                #"Bitrate": 32002,
+                #"ChannelLayout": 4
+            },
+            "IsNotifying": True
+        }
+
+class Chapters:
+    def __init__(self, minfo: MediaInfo):
+        self.minfo = minfo
+    
+    def as_dict(self):
+        return [
+            {
+                "ChapterNumber": index + 1,
+                "Duration": c.duration, # self.mediainfo.duration,
+                "ChapterName": c.name, # "Chapter 1",
+                "IsNotifying": True
+            } for index, c in enumerate(self.minfo.menu.items)
+        ]
+
+class Task:
+    def __init__(self, path: Path, destination: Path):
+        self.path = path
+        self.destination = destination / (path.name.rsplit(".", 1)[0] + '.m4v')
+        self.mediainfo = MediaInfo(self.path)
+        self.allowed_passthru_options = AllowedPassthruOptions()
+        self.audio_track = AudioTrack(self.mediainfo)
+
+    def as_dict(self):
+        return {
+            "Source": str(self.path),
+            "Title": 1,
+            "Angle": 1,
+            "PointToPointMode": 0,
+            "StartPoint": 1,
+            "EndPoint": len(self.mediainfo.menu.items),
+            "Destination": str(self.destination),
+            "OutputFormat": 0,
+            "OptimizeMP4": False,
+            "IPod5GSupport": False,
+            "AlignAVStart": True,
+            "Width": self.mediainfo.resolution.width,
+            "Height": self.mediainfo.resolution.height,
+            "Cropping": {
+                "Top": 0,
+                "Bottom": 0,
+                "Left": 0,
+                "Right": 0
+            },
+            "HasCropping": False,
+            "Anamorphic": 4,
+            "DisplayWidth": self.mediainfo.display_width,
+            "KeepDisplayAspect": self.mediainfo.keep_display_aspect,
+            "PixelAspectX": int(self.mediainfo.pixel_aspect_ratio.x),
+            "PixelAspectY": int(self.mediainfo.pixel_aspect_ratio.y),
+            "Modulus": 2,
+            "DeinterlaceFilter": 2,
+            "DeinterlacePreset": {
+                "Name": "Default",
+                "ShortName": "default"
+            },
+            "CombDetect": 2,
+            "CustomDeinterlaceSettings": "",
+            "CustomCombDetect": "",
+            "Detelecine": 0,
+            "CustomDetelecine": "",
+            "Denoise": 0,
+            "DenoisePreset": 5,
+            "DenoiseTune": 0,
+            "CustomDenoise": "",
+            "Grayscale": False,
+            "Rotation": 0,
+            "FlipVideo": False,
+            "Sharpen": 0,
+            "SharpenPreset": {
+                "DisplayName": "Medium",
+                "Key": "medium"
+            },
+            "SharpenTune": {
+                "DisplayName": "None",
+                "Key": "none"
+            },
+            "SharpenCustom": "",
+            "DeblockPreset": {
+                "DisplayName": "Off",
+                "Key": "off"
+            },
+            "DeblockTune": {
+                "DisplayName": "Medium (8x8)",
+                "Key": "medium"
+            },
+            "CustomDeblock": "strength=strong:thresh=20:blocksize=8",
+            "VideoEncodeRateType": 1,
+            "VideoEncoder": 13,
+            "VideoProfile": {
+                "DisplayName": "Main",
+                "ShortName": "main"
+            },
+            "VideoLevel": {
+                "DisplayName": "Auto",
+                "ShortName": "auto"
+            },
+            "VideoPreset": {
+                "DisplayName": "Quality",
+                "ShortName": "quality"
+            },
+            "VideoTunes": [],
+            "ExtraAdvancedArguments": "",
+            "FramerateMode": 1,
+            "Quality": 22.0,
+            "VideoBitrate": self.mediainfo.output_bitrate,
+            "TwoPass": False,
+            "TurboFirstPass": False,
+            "Framerate": self.mediainfo.framerate,
+            "AudioTracks": [
+                self.audio_track.as_dict()
+            ],
+            "AllowedPassthruOptions": self.allowed_passthru_options.as_dict(),
+            "SubtitleTracks": [],
+            "IncludeChapterMarkers": len(self.mediainfo.menu.items) > 1,
+            "ChapterNames": Chapters(self.mediainfo).as_dict(),
+            "MetaData": {},
+            "IsPreviewEncode": False
+        }
+
+class QueueItem:
+    def __init__(self, path: Path, destination: Path):
+        self.path = path
+        self.task = Task(path, destination)
+        self.configuration = Configuration()
+        self.statistics = Statistics()
+
+    def as_dict(self):
+        return {
+            "ScannedSourcePath": str(self.path),
+            "Status": 0,
+            "Task": self.task.as_dict(),
+            "Configuration": self.configuration.as_dict(),
+            "Statistics": self.statistics.as_dict()
+        }

main.py

@@ -0,0 +1,43 @@
+from config_local import Config
+from jobdef import QueueItem
+from minfo import MediaInfo
+from pathlib import Path
+import json
+import os
+
+extensions = {
+    "mp4",
+    "mkv",
+    "mpeg",
+    "mpg",
+    "m4v",
+    "avi",
+    "mov",
+    "wmv",
+    "flv",
+}
+
+jobs = []
+for dir, dirs, files in os.walk(str(Config.BASE_PATH)):
+    for file in files:
+        parts = file.rsplit(".", 1)
+        if len(parts) == 2:
+            extension = parts[1].lower()
+            if extension in extensions:
+                current_path = Path(dir)
+                relative_path = current_path.relative_to(Config.BASE_PATH)
+                print(relative_path / file, end=" ")
+                item = QueueItem(Path(dir) / file, Config.DESTINATION_PATH / relative_path)
+                info = item.task.mediainfo
+                if info.codec == 'HEVC':
+                    print("")
+                    continue
+                if info.bitrate < Config.LOW_BITRATE_THRESHOLD:
+                    print("")
+                    continue
+                item.task.destination.parent.mkdir(exist_ok=True)
+                print(" ... added")
+                jobs.append(item)
+
+with open("queue.json", "w") as fp:
+    json.dump(jobs, fp, default=lambda o: getattr(o, 'as_dict', str)(), indent=2)

minfo.py

@@ -0,0 +1,235 @@
+import json
+import re
+from typing import Any, Dict, Iterable, List, NamedTuple, Optional
+from config_local import Config
+from subprocess import Popen, PIPE
+from pathlib import Path
+from io import BytesIO, TextIOWrapper
+from pytimeparse.timeparse import timeparse
+from datetime import timedelta
+from fractions import Fraction
+
+
+class Translation(NamedTuple):
+    start: int
+    end: int
+    multiplier: float
+    min_br: int
+    max_br: int
+
+
+class Resolution:
+    def __init__(self, width: int, height: int):
+        self.width = width
+        self.height = height
+
+    def __repr__(self) -> str:
+        return f"Resolution(width={self.width},height={self.height})"
+
+    def __str__(self) -> str:
+        return f"{self.width}x{self.height}"
+
+
+class Ratio:
+    def __init__(self, x: int, y: int):
+        self.x = x
+        self.y = y
+
+    def __repr__(self) -> str:
+        return f"Ratio(x={self.x},y={self.y})"
+
+    def __str__(self) -> str:
+        return f"{self.x}x{self.y}"
+
+
+class AudioInfo:
+    def __init__(self, audio_dict: Dict[str, str]):
+        self.data = audio_dict
+
+    @property
+    def language(self) -> str:
+        return self.data.get("Language", "Unknown")
+
+    @property
+    def name(self) -> str:
+        return self.data.get("Title", "Unknown")
+
+
+class MenuItem:
+    def __init__(self, *, start: str, duration: str, name: str):
+        self.start = start
+        self.duration = duration
+        self.name = name
+
+
+class MenuInfo:
+    REGEX = re.compile(r"^_\d{2}_\d{2}_\d{2}")
+
+    def __init__(self, menu_dict: Dict[str, str]):
+        self.data = menu_dict
+
+    @property
+    def items(self) -> List[MenuItem]:
+        if not "extra" in self.data:
+            duration = str(timedelta(seconds=round(timeparse(list(self.data.keys())[0]))))
+            return [MenuItem(start="00:00:00", duration=f"{duration:0>8}", name='Chapter 1')]
+        keys = sorted(key for key in self.data["extra"] if type(self).REGEX.match(key))
+        td0 = timedelta(seconds=0)
+        td = None
+        result = []
+        for key in keys:
+            td = timedelta(
+                hours=int(key[1:3]),
+                minutes=int(key[4:6]),
+                seconds=int(key[7:9]),
+                milliseconds=float(key[10:])
+            )
+            dur_td = timedelta(seconds=round((td - td0).total_seconds()))
+            duration = str(dur_td)
+            duration = f"{duration:0>8}"
+            td0 = td
+            name = self.data["extra"][key].replace("  ", " ")
+            if result:
+                result[-1].duration = duration
+            result.append(MenuItem(start=key, duration="", name=name))
+        if result:
+            td = timedelta(seconds=float(self.data["Duration"]))
+            dur_td = timedelta(seconds=round((td - td0).total_seconds()))
+            duration = str(dur_td)
+            duration = f"{duration:0>8}"
+            result[-1].duration = duration
+        return result
+
+
+class MediaInfo:
+    def __init__(self, path: Path):
+        self.path = path
+        procinfo = Popen([Config.MEDIAINFO_BINARY, path, "--Output=JSON"], stdout=PIPE)
+        stdout, _ = procinfo.communicate()
+        data = json.loads(stdout.decode('utf-8'))["media"]["track"]
+
+        self.general: Optional[Dict[str, Any]] = None
+        self.video: Optional[Dict[str, Any]] = None
+        self.audio: List[Dict[str, Any]] = []
+        self.menu_data: Optional[Dict[str, Any]] = None
+
+        for track in data:
+            if track["@type"] == "General":
+                self.general = track
+            elif track["@type"] == "Video":
+                self.video = track
+            elif track["@type"] == "Audio":
+                self.audio.append(track)
+            elif track["@type"] == "Menu":
+                self.menu_data = track
+
+        # print(json.dumps(self.video, indent=2))
+
+    @property
+    def codec(self) -> str:
+        return self.video["Format"]
+
+    @property
+    def bitrate(self) -> int:
+        try:
+            bitrate = self.video["BitRate"]
+        except KeyError:
+            bitrate = self.general["OverallBitRate"]
+
+        ibitrate = int(bitrate) // 1000
+        return ibitrate
+
+    @property
+    def framerate(self) -> float:
+        keys = ["FrameRate_Maximum", "FrameRate", "FrameRate_Nominal"]
+        for key in keys:
+            if key in self.video:
+                return float(self.video[key])
+        print(json.dumps(self.general, indent=2))
+        print(json.dumps(self.video, indent=2))
+        raise Exception("No frame rate for video " + str(self.path))
+
+    @property
+    def duration(self) -> str:
+        places_to_look = [self.video, self.general]
+        for place in places_to_look:
+            if "Duration" in place:
+                seconds = float(place["Duration"])
+                td = str(timedelta(seconds=seconds))
+                return td # f"{td:0>8}"
+        raise Exception("No duration for video " + str(self.path))
+
+    @property
+    def resolution(self) -> Resolution:
+        width = int(self.video["Width"])
+        height = int(self.video["Height"])
+
+        return Resolution(width=width, height=height)
+
+    @property
+    def display_aspect_ratio(self) -> Ratio:
+        ratio = [float(x) for x in str(self.video["DisplayAspectRatio"]).split(':')]
+        if len(ratio) != 2:
+            res = self.resolution
+            if -0.01 <= ratio[0] - res.width / res.height <= 0.01:
+                frac = Fraction(res.width, res.height)
+            else:
+                new_width = round(res.height * ratio[0])
+                frac = Fraction(new_width, res.height)
+            ratio = (frac.numerator, frac.denominator)
+        return Ratio(x=ratio[0], y=ratio[1])
+
+    @property
+    def keep_display_aspect(self) -> bool:
+        ratio = self.display_aspect_ratio
+        resolution = self.resolution
+        return 0.95 < (resolution.width / resolution.height) / (ratio.x / ratio.y) < 1.05
+
+    @property
+    def display_width(self) -> float:
+        ratio = self.display_aspect_ratio
+
+        if not self.keep_display_aspect:
+            display_width = self.resolution.height * ratio.x / ratio.y
+        else:
+            display_width = float(self.resolution.width)
+        return display_width
+
+    @property
+    def pixel_aspect_ratio(self) -> Ratio:
+        if self.keep_display_aspect:
+            return Ratio(1.0, 1.0)
+        else:
+            return Ratio(self.display_aspect_ratio.x, self.resolution.width)
+
+    @property
+    def output_bitrate(self) -> int:
+        print(self.codec)
+        if self.codec == "MPEG-4 Visual":
+            translations = [
+                Translation(0, 800, 0.5, 200, 600),
+                Translation(800, 1500, 0.4, 400, 800),
+                Translation(1500, 99999999999, 0.33, 600, 1200),
+            ]
+        else:
+            translations = [
+                Translation(0, 800, 0.7, 450, 700),
+                Translation(800, 1500, 0.6, 550, 1000),
+                Translation(1500, 99999999999, 0.45, 800, 5000),
+            ]
+        bitrate = self.bitrate
+        for t in translations:
+            if t.start <= bitrate < t.end:
+                return int(min(t.max_br, max(t.min_br, bitrate * t.multiplier)))
+
+    @property
+    def tracks(self) -> List[AudioInfo]:
+        result = []
+        for audio in self.audio:
+            track = AudioInfo(audio)
+            result.append(track)
+        return result
+
+    @property
+    def menu(self) -> MenuInfo:
+        return MenuInfo(self.menu_data or { self.duration: "Chapter 1" })