Note: Dolby Vision support has not been tested. Only implemented by following encoder readme, please report back with findings
- Adding #709 PGS to SRT OCR subtitle extraction feature (thanks to mikeSGman)
- Adding #712 audio profile title options: No Title, Generate Title, and Custom Title (thanks to gaalos)
- Adding gifski GIF encoder support with automatic PATH detection and manual path configuration
- Adding external subtitle file support - import .srt, .ass, .ssa, .vtt, and .sup files into the subtitle track list
- Adding AVC (x264) encoder options: AQ Mode, Psy-RD, Level, and custom x264 params
- Adding "Detected External Programs" section to Settings showing status of NVEncC, QSVEncC, VCEEncC, HDR10+ Parser, and PGS OCR tools
- Adding resizable columns to Concatenation Builder window with minimum widths based on header text
- Adding Keyframe checkbox to Settings menu as "Use keyframes for preview images" option (default enabled)
- Adding video info bar below file area showing bit depth, color space, chroma subsampling, HDR10, and HDR10+ at a glance
- Adding HDR10+ passthrough awareness for AOM AV1 encoder with FFmpeg 8.0+ version detection and UI indicators
- Adding HDR10+ tool auto-download on Windows startup and Help menu
- Adding AOM AV1 encoder options: Tune (psnr/ssim), Denoise, AQ Mode, allintra usage mode, and custom aom-params pass-through
- Adding rav1e encoder options: Tune (Psychovisual/Psnr), Photon Noise (film grain synthesis), Scene Detection toggle, HDR10 metadata passthrough, and custom rav1e-params pass-through
- Adding Dolby Vision copy support for NVEncC, QSVEncC, and VCEEncC HEVC/AV1 encoders
- Adding preview time slider to overlay at bottom of preview image
- Adding time display next to preview slider in H:MM:SS format
- Adding async queue saving to prevent GUI blocking during queue operations
- Adding atomic file writes for queue to prevent corruption from interrupted saves
- Adding file-based locking for queue operations to prevent race conditions between instances
- Adding graceful shutdown handling for worker process and background threads
- Adding Start/End Time tab to right-side options panel between Size and Crop tabs with compact 3-column layout
- Adding save dialog for subtitle extraction allowing users to choose output location, defaulting to the output directory
- Adding VVC encoder options: Perceptual QPA toggle, Intra Period, Threads, IFP (inter-frame parallelism), 8-bit pixel format support, and HDR10 metadata passthrough (mastering display, content light level, color signaling, chroma location)
- Adding VP9 encoder options: Auto Alt-Ref Frames, Lag in Frames, Tune Content, AQ Mode, and Sharpness
- Fixing #337 #700 #597 refactoring all FFmpeg command building from string concatenation to List[str] to fix shlex.split() failures with quotes, special characters in titles, and Windows path handling issues (thanks to Xoanon88 and Buzz0016)
- Fixing #481 MP4 subtitle copy mode using wrong codec - now uses mov_text instead of copy for MP4 containers (thanks to wmonte75)
- Fixing #687 dialogs staying on top of all windows and unable to minimize by removing WindowStaysOnTopHint flag (thanks to Krawk)
- Fixing #688 typo in changelog (thanks to luzpaz)
- Fixing #695 Qt6 decimal input fields enforcing locale-specific decimal separators (comma vs dot) by forcing C locale (thanks to isben)
- Fixing #696 RAW command display boxes too small on macOS by using actual document size for height calculation (thanks to isben)
- Fixing #707 Rigaya encoder binary detection with case-insensitive search (thanks to anne-o-pixel)
- Fixing #708 process priority niceness values inverted on Linux and removed Realtime option on non-Windows (thanks to JacobDev1)
- Fixing copy encoder failing when OpenCL is enabled by not adding hardware device flags when filters are disabled
- Fixing zscale "no path between colorspaces" error during HDR tonemapping by explicitly specifying input transfer characteristic
- Fixing thumbnail generation failing on non-full-range YUV sources (e.g. HDR AV1) with FFmpeg 8.0+ by adding -strict unofficial to mjpeg encoder
- Fixing FFmpeg download failing when destination directories (e.g. presets) already exist from a previous install
- Fixing HDR10+ detection to use ffprobe for non-HEVC codecs (AV1, VP9, etc.) and as fallback when hdr10plus_tool is unavailable
- Fixing Windows taskbar showing generic icon instead of FastFlix icon by setting AppUserModelID and deferring blocking version check until after event loop starts
- Fixing Settings browse buttons column being too wide by setting fixed width and column stretch
- Fixing PGS OCR requiring manual checkbox enable - now auto-detects availability from tesseract and pgsrip
- Fixing PGS OCR subtitle extraction using pgsrip.Sup to process already-extracted .sup file instead of re-extracting from MKV (fixes wrong file path and mkvextract failures)
- Fixing extract dropdown arrow being oversized by scaling the menu-indicator to match up/down button proportions
- Fixing QFont::setPointSize warnings in PyInstaller executables by using pt instead of px for stylesheet font sizes
- Fixing video track selector showing unnecessarily when source video has only one video track
- Fixing rav1e and AOM AV1 custom params list being corrupted to "[]" string on profile load/reload, breaking HDR10+ metadata passthrough
- Fixing visual border between filename area and video track selector
- Fixing test suite hanging due to missing QApplication in PySide6 widget tests
- Fixing window resizing beyond screen boundaries when switching profiles on macOS
- Fixing potential GUI freeze when log queue fills up during encoding
- Fixing file handle leaks in command runner when process startup fails
- Fixing crash when dragging non-video content over the main window
- Fixing rotation setting not being applied correctly when loading profiles
- Fixing flip settings not restoring correctly when returning video from queue
- Fixing GIF encoder not applying resolution scaling
- Fixing audio profile loading - validator returned wrong enum type (MatchType instead of MatchItem)
- Fixing "monoo" typo in downmix mapping that caused mono downmix to fail
- Fixing undefined variable crash when creating duplicate audio tracks via profile filters
- Fixing IndexError when applying profile audio filters to videos with non-sequential track indices
- Fixing TypeError crash with Rigaya encoders when audio quality not explicitly set
- Fixing AttributeError crash when audio track metadata is incomplete
- Fixing queue file generation mismatch errors due to redundant save calls on startup and when adding to queue
Mac
macOS 14 or greater required
With the appbundle, you may need to allow it to run by opening a command line and running:
xattr -rd com.apple.quarantine FastFlix.app
Then try opening again normally, it may take a minute to load without any splash screen.
Windows 11
Please use the installer below FastFlix_6.0.0_installer.exe
The win64 standalone is now a full portable mode which uses the local directory for configuration and workspace.
Ubuntu
Ubuntu 22.04 or greater required
Please extract the FastFlix file and run it via terminal ./FastFlix
Linux: Make sure you have libopengl0 installed from your package manager. If you have other issues please consult the wiki first.
Run from source
You will need Python 3.13 and git
Setup
git clone https://github.com/cdgriffith/FastFlix.git
cd FastFlix
python3.13 -m pip install --upgrade pip
python3.13 -m venv venv
. ./venv/bin/activate # venv\Scripts\activate.bat or venv\Scripts\activate.ps1 on windows
pip install setuptools
pip install .
Running
Linux
venv/bin/python -m fastflix
Windows
venv\Scripts\python.exe -m fastflix