FetchJAV_Public

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FetchJAV_Public

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The Ultimate Desktop Video Downloader, Real-Time Streamer & AI Subtitle Generator Stream, download, and automatically transcribe videos from JableTV, MissAV, SupJav, and 30+ other sites — with local & cloud AI subtitle engines.

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ZIP 다운로드

- - deploy.yml
  - docker-publish.yml
  - star-history.yml
  - windows-build.yml
- gen_version.py
- Jable_smalltool.spec
- Jable_smalltool.version
- JableTV_Modern.spec
- JableTV_Modern.version
- - ownership.json
- ARCHITECTURE.md
- REGRESSION_CHECKLIST.md
- UPSTREAM_SYNC.md
- - logo21_128x128.ico
  - logo21_16x16.ico
  - logo21_20x20.ico
  - logo21_24x24.ico
  - logo21_256x256.ico
  - logo21_32x32.ico
  - logo21_40x40.ico
  - logo21_48x48.ico
  - logo21_64x64.ico
  - logo21_multi.ico
- - 01_streaming_preview.png
  - 02_browse_gallery.png
  - 03_download_history.png
  - 04_ai_subtitles_config.png
  - 05_download_queue.png
  - 06_video_player_controls.png
  - 07_general_settings.png
  - 08_theme_customization.png
  - 09_translation_models.png
  - 10_network_proxy_config.png
  - 11_tray_behavior_settings.png
  - browse_gallery.png
  - download_queue.png
  - history_tab.png
  - preview_player.png
  - Screenshot 2026-08-15 160227.png
  - Screenshot 2026-08-15 160250.png
  - Screenshot 2026-08-15 160300.png
  - Screenshot 2026-08-15 160310.png
  - Screenshot 2026-08-15 160318.png
  - Screenshot 2026-08-15 160347.png
  - Screenshot 2026-08-15 160516.png
  - Screenshot 2026-08-15 160532.png
  - Screenshot 2026-08-15 160541.png
  - Screenshot 2026-08-15 160550.png
  - Screenshot 2026-08-15 160556.png
  - settings_subtitles.png
- apple-touch-icon-114x114.png
- apple-touch-icon-120x120.png
- apple-touch-icon-57x57.png
- apple-touch-icon.png
- favicon-128x128.png
- favicon-16x16.png
- favicon-256x256.png
- favicon-32x32.png
- favicon-48x48.png
- favicon-512x512.png
- favicon-64x64.png
- favicon-code.html
- favicon.ico
- icon_bookmark_outline_dark.png
- icon_bookmark_outline_light.png
- icon_bookmark_solid_dark.png
- icon_bookmark_solid_light.png
- icon_browse_dark.png
- icon_browse_hover_dark.png
- icon_browse_hover_light.png
- icon_browse_light.png
- icon_bulb_off.png
- icon_bulb_on.png
- icon_check_green_dark.png
- icon_check_green_hover_dark.png
- icon_check_green_hover_light.png
- icon_check_green_light.png
- icon_chevron.png
- icon_compass_dark.png
- icon_compass_hover_dark.png
- icon_compass_hover_light.png
- icon_compass_light.png
- icon_compass_on_dark.png
- icon_compass_on_hover_dark.png
- icon_compass_on_hover_light.png
- icon_compass_on_light.png
- icon_dl_white.png
- icon_download_active.png
- icon_download_dark.png
- icon_download_inactive.png
- icon_download_light.png
- icon_explore_active.png
- icon_explore_inactive.png
- icon_heart_filled_dark.png
- icon_heart_filled_light.png
- icon_heart_pri.png
- icon_heart_white.png
- icon_list_select.png
- icon_moon.png
- icon_open_dark.png
- icon_open_hover_dark.png
- icon_open_hover_light.png
- icon_open_light.png
- icon_plus_pri.png
- icon_plus_white.png
- icon_refresh_dark.png
- icon_refresh_hover_dark.png
- icon_refresh_hover_light.png
- icon_refresh_light.png
- icon_search.png
- icon_settings_active.png
- icon_settings_inactive.png
- icon_sub_local_dark.png
- icon_sub_local_light.png
- icon_sub_search_dark.png
- icon_sub_search_light.png
- icon_sun.png
- icon_tag_accent_dark.png
- icon_tag_accent_light.png
- icon_tag_dark.png
- icon_tag_light.png
- icon_trash_dark.png
- icon_trash_light.png
- jav_gradient_dark.png
- jav_gradient_light.png
- logo.png
- logo_only.png
- readme_modern.png
- readme_smalltool.png
- star-history.svg
- telegram_outline.png
- __init__.py
- hanimetv_extractor.mjs
- hanimetv_vendor.js
- M3U8Crawler.py
- Site91Porn.py
- SiteHanime1.py
- SiteHanimeTV.py
- SiteJableTV.py
- SiteJavDB.py
- SiteMissAV.py
- SiteSupJav.py
- SiteTnaFlix.py
- build_local_translation_pack.py
- build_reazonspeech_asr_pack.py
- generate_icons.py
- local_translation_conversion_requirements.txt
- sync_upstream.py
- update_star_history.py
- - __init__.py
  - base.py
  - opensubtitles.py
  - podnapisi.py
  - subdl.py
  - subtitlecat.py
  - ytssubs.py
- - __init__.py
  - generated.py
  - local.py
  - online.py
- __init__.py
- cache.py
- manager.py
- models.py
- parser.py
- test_cf_override.py
- test_crawler_naming.py
- test_docker_cli.py
- test_hanime1.py
- test_hanimetv.py
- test_hot_reload.py
- test_jable_extract.py
- test_llm_translation.py
- test_locales.py
- test_missav_parsing.py
- test_nogui_cli.py
- test_pathlen.py
- test_persistence.py
- test_proxy.py
- test_reazonspeech_engine.py
- test_reazonspeech_pack_builder.py
- test_reazonspeech_supply_chain.py
- test_resolution_pref.py
- test_saved_videos.py
- test_site_i18n.py
- test_smalltool_categories.py
- test_smalltool_dates.py
- test_smalltool_monitoring.py
- test_smalltool_output.py
- test_smalltool_schedule.py
- test_subtitle_domain.py
- test_subtitle_engine.py
- test_subtitle_integration.py
- test_subtitle_provenance.py
- test_subtitle_provider_integration.py
- test_subtitle_system.py
- test_supjav.py
- test_tnaflix.py
- test_translation_pack.py
- test_translation_settings.py
- test_translation_settings_ui.py
- test_ui_theme.py
- test_updater.py
- test_video_identity.py
- test_video_ocr.py
- test_video_preview.py
- test_whisper_diagnostic.py
- test_whisper_diagnostic_entrypoints.py
- test_whisper_download_safety.py
- test_whisper_quality.py
- test_worker_limit.py
- FuguMT-CC-BY-SA-4.0-NOTICE.txt
- Intel-Simplified-Software-License.txt
- - 0serwj890jab1.jpg
  - app-preview.png
  - favicon.svg
  - logo.png
  - logo21.png
  - logo_only.png
  - promo_telegram.png
- - styles.css
- - main.js
- banner.json
- docs.html
- download.html
- faq.html
- index.html
- request.html
.dockerignore
.gitignore
args.py
banner.py
browser.py
config.py
crashlog.py
docker-compose.yml
docker_cli.py
Dockerfile
gui.py
gui_modern.py
hot_reload.py
jable_smalltool.py
LICENSE
llm_translation.py
locales.py
logo.ico
logo.png
main.py
metadata_fetcher.py
mywidget.py
README.en.md
README.md
release_notes_v0.1.7.md
requirements-docker.txt
requirements.txt
site_i18n.py
smalltool_categories.py
ssl_util.py
subtitle_domain.py
subtitle_engine.py
take_screenshots.py
test_functions.py
test_multi_dl.py
THIRD_PARTY_NOTICES.md
translation_settings.py
translation_settings_ui.py
ui_theme.py
updater.py
video_identity.py
video_ocr.py
video_preview.py
WINDOWS_SECURITY.md

# CDN으로 사용하기

jsDelivr

jsDelivr는 공개 GitHub 리포지토리를 별도 설정 없이 CDN으로 즉시 서빙합니다. 버전과 파일을 고르면 웹페이지에 바로 붙일 수 있는 링크와 예시 코드가 만들어집니다.

버전

파일

링크

예시

// repository documentation

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<h1 align="center">FetchJAV</h1>

The Ultimate Desktop Video Downloader, Real-Time Streamer & AI Subtitle Generator 
 Stream, download, and automatically transcribe videos from JableTV, MissAV, SupJav, and 30+ other sites — with local &amp; cloud AI subtitle engines.

<a href="https://github.com/FetchJAV/FetchJAV_Public/releases/latest/download/FetchJAV.exe">Download FetchJAV.exe (Windows Direct)</a>
 &middot;
 <a href="https://github.com/FetchJAV/FetchJAV_Public/releases">View Latest Release</a>

---

## Table of Contents

- [About](#about)
- [Key Features](#key-features)
- [Visual Walkthrough](#visual-walkthrough)
- [Quick Start](#quick-start)
- [Installation](#installation)
  - [Windows Standalone](#windows-standalone-exe)
  - [From Source](#from-source-macos--linux--developer)
  - [Docker / NAS Headless](#docker--nas-headless-deployment)
- [Usage](#usage)
  - [GUI Usage](#gui-usage)
  - [CLI Usage](#cli-usage)
  - [Docker CLI](#docker-cli)
  - [Hot Reload (Developer Mode)](#hot-reload-developer-mode)
- [Configuration](#configuration)
  - [Preferences File](#preferences-file)
  - [Key Settings](#key-settings)
  - [Proxy Configuration](#proxy-configuration)
  - [Supported Site Mirrors](#supported-site-mirrors)
- [AI Subtitle Pipeline](#ai-subtitle-pipeline)
  - [Local Offline ASR](#local-offline-asr)
  - [Cloud LLM Translation](#cloud-llm-translation)
  - [Online Subtitle Providers](#online-subtitle-providers)
- [Supported Sites](#supported-sites)
- [Technology Stack](#technology-stack)
- [Project Structure](#project-structure)
- [Testing](#testing)
- [Building from Source](#building-from-source)
- [Troubleshooting](#troubleshooting)
- [Contributing](#contributing)
- [License](#license)
- [Disclaimer](#disclaimer)
- [Acknowledgments](#acknowledgments)
- [繁體中文 (Traditional Chinese)](#-繁體中文-traditional-chinese)

---

## About

FetchJAV is a feature-rich Python desktop application for downloading, streaming, and subtitle-generating from adult video websites. It is a customized fork of [JableTV-MissAV-Downloader-GUI-2026](https://github.com/Alos21750/JableTV-MissAV-Downloader-GUI-2026) by ALOS, significantly extended with a modern CustomTkinter UI, an AI-powered subtitle pipeline, a built-in video preview player, cross-site metadata aggregation, Docker/NAS headless deployment, and an automated upstream sync system.

**What it does:**

- Browse, search, and discover videos across 30+ sites in a unified gallery interface
- Stream videos in real-time before downloading via a built-in HTTP proxy player
- Download videos at high speed with multi-threaded segment-level parallelism
- Automatically generate Japanese, English, and Traditional Chinese subtitles using local ASR and cloud LLM translation
- Maintain persistent download history, view history, and saved video libraries
- Deploy headlessly on NAS/Docker for unattended batch downloading

**Author:** Developed and maintained by FetchJAV
**Upstream:** [Alos21750/JableTV-MissAV-Downloader-GUI-2026](https://github.com/Alos21750/JableTV-MissAV-Downloader-GUI-2026)

---

## Key Features

| Feature | Description |
|---------|-------------|
| **Multi-Site Unified Browser** | Browse JableTV, MissAV, SupJav, and more in a single tab with search, filtering, cover cards, actress links, and multi-select bulk download |
| **Real-Time Streaming Preview** | Built-in local HTTP streaming proxy handles Range requests, repairs TS/MP4 headers, strips anti-scraping fake headers — watch before you download |
| **CC Subtitle Player** | In-app subtitle overlay with online search, local `.srt`/`.vtt` loading, audio sync, track switching |
| **High-Performance Download Manager** | Up to 32 simultaneous videos, 1–16 segment workers per video, bandwidth metering, speed limiting, resume/retry |
| **AI Subtitle Pipeline** | Post-download automatic Japanese audio extraction; local ReazonSpeech/Whisper ASR; optional cloud LLM translation (OpenAI, Claude, DeepSeek, Ollama, Gemini) |
| **Persistent History** | Download history, view history, and saved videos persist across restarts |
| **Modern Dark UI** | CustomTkinter Material Design dark theme with accent color customization (Pink, Blue, Violet, Amber, Green), high-DPI support |
| **Advanced Proxy** | HTTP/HTTPS/SOCKS4/SOCKS5 proxy, Windows system proxy auto-detection, Cloudflare clearance cookie import |
| **System Tray** | Minimize to Windows system tray for background downloading with pystray notifications |
| **Auto-Update** | Checks GitHub releases for updates, downloads and applies via batch file |
| **Hot Reload** | Developer mode watches source files and auto-restarts the app on changes |
| **Cross-Site Metadata** | Aggregates actress, studio, director, and tag metadata from multiple sites |
| **Crash Logging** | Global crash logger for Python exceptions and native crashes with user-facing dialog |
| **Docker/NAS Deployment** | Headless CLI mode via `docker_cli.py` with Docker Compose support |
| **Multi-language** | Full i18n in English, Traditional Chinese, Simplified Chinese, and Japanese |
| **Clip Import** | Clipboard monitoring auto-detects valid URLs; `.txt`/`.csv` batch import |
| **Online Subtitle Providers** | Integration with OpenSubtitles, Podnapisi, SubDL, SubtitleCat, YTS Subtitles |
| **Hardcoded Video OCR** | Extract burnt-in subtitles directly from video frames into standard `.srt` subtitles using RapidOCR, Windows Native OCR, and EasyOCR |
| **JAV.guru Discovery** | Native browsing, actress catalog, uncensored metadata, and high-speed downloading for JAV.guru |

---

## Visual Walkthrough

### 1. Multi-Site Browse & Discovery Gallery

Browse, search, and filter videos across **JableTV**, **MissAV**, and **SupJav** in a single unified interface. Features responsive high-resolution cover cards, actress links, studio details, and multi-selection for bulk downloads.

### 2. Real-Time Streaming Video Preview & CC Subtitle Player

Watch full streams directly inside FetchJAV before downloading. Built-in local HTTP streaming proxy automatically handles HTTP range requests, repairs segmented TS/MP4 chunks, and strips anti-scraping fake headers on the fly. Includes an integrated **Closed Caption (CC)** menu with online subtitle search across multiple providers, local `.srt`/`.vtt` loading, audio speech sync, and highlighted track switching.

### 3. High-Performance Multi-Threaded Download Manager

Download multiple videos simultaneously with individual segment worker threads (1–16 workers per video), real-time bandwidth meters, segment progress trackers, and individual retry for interrupted chunks.

### 4. Built-in Local & Cloud AI Subtitle Pipeline

Automatically extract Japanese audio and generate `.ja.srt`, `.en.srt`, and `.zh-TW.srt` subtitle files right after downloading — without altering the original MP4 video:

- **Local Offline ASR**: Integrated **ReazonSpeech** and **Whisper** speech recognition running directly on your CPU/GPU with zero cloud dependencies.
- **AI Translation Options**: Optional integration with OpenAI, Claude, DeepSeek, Ollama, and Gemini API endpoints for precision subtitle translation.

### 5. Persistent Download History & Metadata Inspector

Never lose track of your library. All completed downloads and metadata (actresses, tags, release dates, video codes) are preserved across app restarts with 1-click folder opening and instant re-downloading.

### 6. Modern Dark UI & Accent Color Customization

Designed with a sleek CustomTkinter interface supporting high-DPI scaling, dark/light themes, and selectable accent color themes (Pink, Blue, Violet, Amber, Green).

### 7. Advanced Network & Proxy Architecture

Full support for custom HTTP, HTTPS, SOCKS4, and SOCKS5 proxies, plus automatic synchronization with Windows manual proxy server settings. Built with `curl_cffi` and a shared SSLContext to eliminate native OpenSSL crash issues.

### 8. System Tray Minimization & Background Operation

Minimize FetchJAV to the Windows system tray via `pystray` to allow uninterrupted background batch downloading, complete with status notifications.

### 9. Comprehensive General Settings

Configure destination folders, default resolution preferences (Highest, 1080p, 720p, 480p, Lowest), multi-language UI selection (English, Traditional Chinese, Simplified Chinese, Japanese), and auto-update checks.

---

## Quick Start

### Windows: Ready in 30 Seconds

1. **Download**: Get the latest [FetchJAV.exe](https://github.com/FetchJAV/FetchJAV_Public/releases/latest/download/FetchJAV.exe).
2. **Run**: Place it in any writable folder and double-click to launch (no Python or FFmpeg installation required).
3. **Choose Language**: On first launch, pick your language and preferred theme.
4. **Browse & Download**:
   - In **Browse**, choose JableTV, MissAV, or SupJav, search keywords or browse categories.
   - Click preview to watch immediately, or select cards to add to the download queue.
   - Paste URLs directly or import `.txt` / `.csv` batches in the **Download** tab.

> **Windows Security Note:** SmartScreen reputation warnings and Defender Antivirus isolation are different events. Please read [Windows Security Guide](./WINDOWS_SECURITY.md) before filing issues. Verify `SHA256SUMS.txt` against GitHub provenance.
>
> **Windows 安全提醒：** SmartScreen 信譽提示與 Defender Antivirus 隔離是兩回事。遇到防毒警示請先查閱 [Windows 下載與安全驗證說明](./WINDOWS_SECURITY.md)，使用 `SHA256SUMS.txt` 比對 GitHub 原生建置產物；若備用包也被偵測，請停止並回報，不要直接停用保護。

---

## Installation

### Windows Standalone (.exe)

The simplest way to use FetchJAV. Download the pre-built executable — everything (Python, FFmpeg, dependencies) is bundled.

```bash
# https://github.com/FetchJAV/FetchJAV_Public/releases/latest/download/FetchJAV.exe

# Place in any writable folder and double-click to run
# No installation required
```

### From Source (macOS / Linux / Developer)

Requires **Python 3.10+** and Tk (usually included with Python on macOS; may need `python3-tk` on Linux).

```bash
# Clone the repository
git clone https://github.com/FetchJAV/FetchJAV_Public.git
cd FetchJAV

# Create and activate a virtual environment (recommended)
python -m venv .venv
# Windows:
.venv\Scripts\activate
# macOS/Linux:
source .venv/bin/activate

# Install dependencies
python -m pip install -r requirements.txt

# Run the application
python main.py
```

### Docker / NAS Headless Deployment

The public container image is available at `ghcr.io/fetchjav/jabletv:latest` for amd64 and arm64 architectures.

```bash
# Download a single URL to /downloads folder
docker run --rm -v "/path/to/downloads:/downloads" \
  ghcr.io/fetchjav/jabletv:latest "https://jable.tv/videos/example/"

# Multiple URLs
docker run --rm -v "/path/to/downloads:/downloads" \
  ghcr.io/fetchjav/jabletv:latest \
  "https://jable.tv/videos/1/" "https://missav.ai/abc123/"
```

#### Docker Compose

```bash
# Place URLs in a file or pass directly
docker compose run --rm jabletv
# Or pass URLs directly:
docker compose run --rm jabletv "https://jable.tv/videos/example/"
```

#### Docker Environment Variables

| Variable | Description | Default |
|----------|-------------|---------|
| `DOWNLOAD_DIR` | Output directory inside the container | `/downloads` |
| `RESOLUTION` | Video resolution preference | `highest` |
| `MAX_WORKERS_PER_VIDEO` | Segment worker count per video (1–16) | auto |
| `URLS` | Space-separated list of URLs | — |
| `URL` | Single URL | — |
| `URLS_FILE` | Path to text file with one URL per line | `/downloads/urls.txt` |

#### Build Docker Image Locally

```bash
docker build -t fetchjav .
docker run --rm -v "$(pwd)/downloads:/downloads" fetchjav "URL"
```

---

## Usage

### GUI Usage

```bash
# Launch the modern CustomTkinter GUI (default)
python main.py

# Launch with a specific URL
python main.py --url "https://jable.tv/videos/example/"

# Launch and download a random recommended video
python main.py --random
```

**GUI Tabs:**

| Tab | Description |
|-----|-------------|
| **Browse** | Unified multi-site browser with search, categories, and cover gallery |
| **Download** | Paste URLs, import batch files, manage download queue |
| **History** | View completed downloads with metadata and re-download options |
| **Settings** | Configure themes, proxy, subtitle, resolution, and more |

### CLI Usage

Run FetchJAV headlessly without any GUI:

```bash
# Download a single URL
python main.py --nogui --url "https://jable.tv/videos/example/" --output "./download"

# Specify worker count
python main.py --nogui --url "https://jable.tv/videos/example/" \
  --output "./download" --max-workers-per-video 4

# Download a random video
python main.py --nogui --random --output "./download"
```

**CLI Flags:**

| Flag | Description | Default |
|------|-------------|---------|
| `--nogui` | Run in headless/CLI mode (no GUI) | off |
| `--url URL` | Specific URL to download | — |
| `--random` | Download a random recommended video | off |
| `-o, --output DIR` | Output directory | `./download` |
| `--max-workers-per-video N` | Segment workers per video (1–16) | auto |
| `--hot-reload, -hr, --watch` | Enable dev hot-reload mode | off |
| `--watch-interval SEC` | File watcher poll interval (seconds) | `1.0` |

### Docker CLI

```bash
# Run via Python directly
python docker_cli.py "https://jable.tv/videos/example/"

# Or via environment variables
URLS="url1 url2" python docker_cli.py

# Or use a URLs file (one URL per line)
URLS_FILE=/downloads/urls.txt python docker_cli.py
```

### Hot Reload (Developer Mode)

For developers — automatically restart the app when source files change:

```bash
# Default 1-second poll interval
python main.py --hot-reload

# Custom poll interval
python main.py --hot-reload --watch-interval 0.5
```

---

## Configuration

### Preferences File

FetchJAV stores all configuration as JSON in:

- **Windows:** `%APPDATA%/FetchJAV/`
- **macOS/Linux:** `~/.config/FetchJAV/` (or equivalent)

| File | Contents |
|------|----------|
| `ui_prefs.json` | Theme, language, resolution, subtitle mode, recognition quality, download concurrency, max workers, proxy settings, saved videos, view history, download history |
| `cf_overrides.json` | Cloudflare clearance cookies per domain |
| `download_queue.csv` | Persisted download queue |

### Key Settings

| Setting | Values | Default |
|---------|--------|---------|
| **Theme** | `dark`, `light`, `system` | `dark` |
| **Language** | `en`, `zh` (Traditional), `zh-Hans` (Simplified), `ja` | prompted on first launch |
| **Resolution** | `highest`, `lowest`, `1080`, `720`, `480`, `360` | `highest` |
| **Subtitle Mode** | `none`, `ja`, `en`, `zh`, `all` | `none` |
| **Recognition Quality** | `auto`, `quality`, `balanced`, `fast` | `auto` |
| **Download Concurrency** | 1–32 simultaneous videos | `2` |
| **Workers Per Video** | 1–16 segment workers | `min(cpu_count * 2, 16)` |
| **Proxy Mode** | `manual`, `system`, `direct` | `direct` |

### Proxy Configuration

FetchJAV supports full proxy configuration:

| Protocol | Support |
|----------|---------|
| HTTP | Yes |
| HTTPS | Yes |
| SOCKS4 / SOCKS4a | Yes |
| SOCKS5 / SOCKS5h | Yes |
| Windows System Proxy Auto-Detection | Yes |
| Cloudflare Clearance Cookie Import | Yes |

### Supported Site Mirrors

```python
MIRRORS = {
    'missav':   ['missav.ai', 'missav.ws', 'missav123.com', 'missav.live'],
    'jable':    ['jable.tv', 'fs1.app'],
    'supjav':   ['supjav.com', 'supjav.net', 'supjav.org'],
    'hanime1':  ['hanime1.me'],
    'hanimetv': ['hanime.tv'],
    'tnaflix':  ['www.tnaflix.com'],
}
```

---

## AI Subtitle Pipeline

FetchJAV includes a comprehensive AI-powered subtitle generation pipeline that runs automatically after video downloads.

### Local Offline ASR

Speech recognition runs entirely on your machine with no cloud dependencies:

| Engine | Language | Model | Notes |
|--------|----------|-------|-------|
| **Whisper** (whisper.cpp v1.9.1) | Japanese | Various sizes | Downloaded on first use from GitHub releases |
| **ReazonSpeech** | Japanese | Custom ASR model | Optional model pack download (`Jable_reazonspeech_asr_v1.zip`) |

**Recognition Quality Modes:**
- `quality` — Maximum accuracy, slower processing
- `balanced` — Good balance of speed and accuracy
- `fast` — Prioritize speed over accuracy
- `auto` — Automatic selection based on system capabilities

### Cloud LLM Translation

Optional cloud AI translation for generating English and Chinese subtitles from Japanese ASR output:

| Provider | Endpoint | Notes |
|----------|----------|-------|
| **OpenAI** | GPT-4 / GPT-3.5 | Requires API key |
| **Anthropic Claude** | Claude 3 / 3.5 | Requires API key |
| **DeepSeek** | DeepSeek Chat | Requires API key |
| **Ollama** | Local models | No API key needed, runs locally |
| **Google Gemini** | Gemini Pro | Requires API key |

**Local Translation Models (Offline):**
- FuguMT (ja→en) — CC BY-SA 4.0
- OPUS-MT (en→zh) — Apache 2.0
- Optional model pack: `Jable_local_translation_v1.zip`

### Online Subtitle Providers

FetchJAV can also search and download existing subtitle files from:

| Provider | URL |
|----------|-----|
| OpenSubtitles | opensubtitles.org |
| Podnapisi | podnapisi.net |
| SubDL | subdl.com |
| SubtitleCat | subtitlecat.com |
| YTS Subtitles | yts-subs.com |

---

## Supported Sites

FetchJAV supports 30+ websites through its modular site adapter system:

| Site | Adapter | Notes |
|------|---------|-------|
| **JableTV** | `SiteJableTV.py` | Primary site, `jable.tv`, `fs1.app` |
| **MissAV** | `SiteMissAV.py` | Primary site, multiple mirrors |
| **SupJav** | `SiteSupJav.py` | Multiple mirrors |
| **Hanime1** | `SiteHanime1.py` | `hanime1.me` |
| **HanimeTV** | `SiteHanimeTV.py` | `hanime.tv` |
| **TnaFlix** | `SiteTnaFlix.py` | `tnaflix.com` |
| **91Porn** | `Site91Porn.py` | 91Porn and variants |
| **JavDB** | `SiteJavDB.py` | JavDB and variants |
| Jable.org | Inherited | Mirror |
| ThisAV | Additional | — |
| PigAV | Additional | — |
| Porn5F | Additional | — |
| 85Tube | Additional | — |
| PornBest | Additional | — |
| HAnime XYZ | Additional | — |
| PornTW | Additional | — |
| PornJP | Additional | — |
| PornHK | Additional | — |
| PornHoHo | Additional | — |
| PornNVR | Additional | — |
| Video01 | Additional | — |
| PornLuLu | Additional | — |
| MIEN321 | Additional | — |
| AApp11 | Additional | — |
| Seselah | Additional | — |
| XJISHI | Additional | — |

---

## Technology Stack

### Language & Runtime

- **Python 3.10+**
- Small JavaScript/Node.js components for HanimeTV extractor (`hanimetv_extractor.mjs`)

### GUI Frameworks

- **CustomTkinter** — Modern dark UI (`gui_modern.py`, ~11,000 lines)
- **Tkinter/ttk** — Classic fallback GUI (`gui.py`)
- **pystray** — Windows system tray integration

### Networking & Web Scraping

| Library | Purpose |
|---------|---------|
| `requests` | HTTP client |
| `curl_cffi` | TLS-fingerprint-resistant HTTP (anti-bot bypass) |
| `cloudscraper` | Cloudflare bypass |
| `beautifulsoup4` | HTML parsing |
| `m3u8` | M3U8 HLS playlist parsing |
| `PySocks` | SOCKS proxy support |
| `certifi` | CA certificate bundle |

### Video & Media

| Library | Purpose |
|---------|---------|
| `imageio-ffmpeg` | FFmpeg binary bundling (TS→MP4 remux) |
| `python-vlc` | VLC-based video preview playback |
| `Pillow` | Image processing |
| `pycryptodome` | HLS AES-128 encryption handling |

### AI / Subtitle Engine

| Library | Purpose |
|---------|---------|
| `whisper.cpp` (C++ binary) | Japanese speech recognition |
| ReazonSpeech | Alternative Japanese ASR |
| `ctranslate2` 4.8.1 | Local neural machine translation |
| `sentencepiece` | Tokenizer for translation models |
| `opencc-python-reimplemented` | Traditional/Simplified Chinese conversion |
| `numpy` 2.5.1 | Numerical operations for CTranslate2 |
| `PyYAML` 6.0.3 | Model configuration parsing |

### Build & Development

| Tool | Purpose |
|------|---------|
| `PyInstaller` | Building standalone Windows executables |
| `pytest` | Test framework |
| `hot_reload.py` | Dev hot-reload framework |

---

## Project Structure

```
FetchJAV/
├── main.py                          # Application entry point
├── gui.py                           # Classic Tkinter GUI (fallback)
├── gui_modern.py                    # Modern CustomTkinter GUI (~11,000 lines)
├── ui_theme.py                      # Theme/design system
├── config.py                        # Configuration, preferences, proxy, history
├── args.py                          # CLI argument parser
├── browser.py                       # Browse panel with site adapters
├── subtitle_engine.py               # Local ASR + translation engine (~5,300 lines)
├── subtitle_domain.py               # Subtitle domain logic
├── llm_translation.py               # LLM-based translation (OpenAI, Claude, etc.)
├── translation_settings.py          # Translation settings data
├── translation_settings_ui.py       # Translation settings UI
├── video_preview.py                 # In-app video preview player
├── video_identity.py                # Video identity/metadata detection
├── metadata_fetcher.py              # Cross-site metadata aggregation
├── hot_reload.py                    # Dev hot-reload framework
├── updater.py                       # Auto-updater
├── crashlog.py                      # Global crash logging
├── locales.py                       # i18n strings (en, zh, zh-Hans, ja)
├── ssl_util.py                      # Shared SSL adapter
├── site_i18n.py                     # Site-specific i18n
├── docker_cli.py                    # Headless Docker/NAS CLI
├── Dockerfile                       # Docker image definition
├── docker-compose.yml               # Docker Compose for NAS
│
├── M3U8Sites/                       # Site scraper adapters
│   ├── __init__.py                  # Site registry, factory, URL validation
│   ├── M3U8Crawler.py               # Core M3U8 download engine
│   ├── SiteJableTV.py               # JableTV scraper
│   ├── SiteMissAV.py                # MissAV scraper
│   ├── SiteSupJav.py                # SupJav scraper
│   ├── SiteHanime1.py               # Hanime1 scraper
│   ├── SiteHanimeTV.py              # HanimeTV scraper
│   ├── SiteTnaFlix.py               # TnaFlix scraper
│   ├── Site91Porn.py                # 91Porn scraper
│   └── SiteJavDB.py                 # JavDB scraper
│
├── subtitle/                        # FetchJAV subtitle package
│   ├── __init__.py                  # Exports SubtitleManager, SubtitleTrack, etc.
│   ├── manager.py                   # Subtitle orchestration
│   ├── models.py                    # Data models
│   ├── parser.py                    # SRT/VTT parser
│   ├── cache.py                     # Subtitle caching
│   ├── sources/                     # Subtitle sources
│   │   ├── online.py                # Online subtitle search
│   │   ├── local.py                 # Local file loading
│   │   └── generated.py             # AI-generated subtitles
│   └── providers/                   # Online subtitle providers
│       ├── base.py                  # Base provider
│       ├── opensubtitles.py         # OpenSubtitles integration
│       ├── podnapisi.py             # Podnapisi integration
│       ├── subdl.py                 # SubDL integration
│       ├── subtitlecat.py           # SubtitleCat integration
│       └── ytssubs.py               # YTS Subtitles integration
│
├── tests/                           # 47 test files (670+ tests)
├── scripts/                         # Build & maintenance scripts
├── docs/                            # Documentation
├── img/                             # Icons, screenshots, favicons
├── dist/                            # Pre-built release executables
│   ├── FetchJAV.exe
│   ├── JableTV_Modern.exe
│   ├── release_notes.md
│   └── SHA256SUMS.txt
│
├── requirements.txt                 # Python dependencies (GUI)
├── requirements-docker.txt          # Python dependencies (Docker)
├── LICENSE                          # Apache License 2.0
├── README.md                        # This file
├── README.en.md                     # English-only README
├── WINDOWS_SECURITY.md              # Windows security/antivirus guidance
├── THIRD_PARTY_NOTICES.md           # Third-party license notices
└── .github/workflows/              # CI/CD
    ├── windows-build.yml            # Windows build pipeline
    ├── docker-publish.yml           # Docker image publishing
    └── star-history.yml             # Star history chart
```

---

## Testing

FetchJAV includes a comprehensive test suite with **670+ tests** across 47 test modules.

### Running Tests

```bash
# Run all tests
python -m pytest tests -q

# Run specific test modules
python -m pytest tests/test_subtitle_system.py -q
python -m pytest tests/test_subtitle_integration.py -q
python -m pytest tests/test_jable_extract.py -q
```

### Test Coverage

| Category | Test Files |
|----------|------------|
| **Site Scrapers** | `test_jable_extract.py`, `test_missav_parsing.py`, `test_supjav.py`, `test_tnaflix.py`, `test_hanime1.py`, `test_hanimetv.py` |
| **Subtitle System** | `test_subtitle_system.py`, `test_subtitle_engine.py`, `test_subtitle_domain.py`, `test_subtitle_integration.py`, `test_subtitle_provider_integration.py`, `test_subtitle_provenance.py` |
| **Whisper/ASR** | `test_whisper_quality.py`, `test_whisper_download_safety.py`, `test_whisper_diagnostic.py`, `test_whisper_diagnostic_entrypoints.py`, `test_reazonspeech_engine.py`, `test_reazonspeech_pack_builder.py`, `test_reazonspeech_supply_chain.py` |
| **Translation** | `test_llm_translation.py`, `test_translation_settings.py`, `test_translation_settings_ui.py`, `test_translation_pack.py` |
| **Config/Persistence** | `test_proxy.py`, `test_persistence.py`, `test_cf_override.py`, `test_resolution_pref.py`, `test_saved_videos.py`, `test_worker_limit.py` |
| **UI/Features** | `test_ui_theme.py`, `test_video_preview.py`, `test_video_identity.py`, `test_hot_reload.py`, `test_locales.py`, `test_site_i18n.py` |
| **Build/Packaging** | `test_updater.py`, `test_docker_cli.py`, `test_nogui_cli.py`, `test_pathlen.py` |
| **Other** | `test_smalltool_*.py`, `test_crawler_naming.py` |

### Manual Regression

A manual regression checklist is maintained at `docs/REGRESSION_CHECKLIST.md` covering:
- GUI functionality (browse, download, settings, themes)
- Subtitle pipeline (ASR, translation, provider search)
- Data safety (persistence, history, queue)
- Packaging (PyInstaller build, Docker build)

---

## Building from Source

FetchJAV uses PyInstaller to create standalone Windows executables.

### Prerequisites

- Python 3.10+
- All dependencies from `requirements.txt`
- PyInstaller

### Build Commands

```bash
# Generate version info
python build_tmp/gen_version.py

# Build the executable (using PyInstaller spec files in build_tmp/)
pyinstaller build_tmp/FetchJAV.spec

# Output: dist/FetchJAV.exe
```

### Build Artifacts

| File | Description |
|------|-------------|
| `dist/FetchJAV.exe` | Main GUI executable |
| `dist/JableTV_Modern.exe` | Same binary, alternate name |
| `dist/SHA256SUMS.txt` | SHA-256 checksums for verification |

### CI/CD

GitHub Actions workflows in `.github/workflows/`:
- `windows-build.yml` — Automated Windows build pipeline
- `docker-publish.yml` — Docker image publishing to GHCR

---

## Troubleshooting

### Common Issues

| Issue | Solution |
|-------|----------|
| **Windows SmartScreen warning** | Right-click → Properties → Unblock, or click "More info" → "Run anyway". See [WINDOWS_SECURITY.md](./WINDOWS_SECURITY.md) |
| **Defender Antivirus quarantine** | This is different from SmartScreen. Do NOT lower protection settings. Verify SHA256 checksums and report if needed |
| **FFmpeg not found** | On Windows: bundled via `imageio-ffmpeg`. On Linux: `apt install ffmpeg` |
| **VLC not found for preview** | Install VLC or disable video preview. VLC is optional |
| **Whisper model download fails** | Check internet connection. Models are downloaded from GitHub releases on first use |
| **SSL/TLS errors** | FetchJAV uses `curl_cffi` to avoid native OpenSSL issues. If problems persist, try `--nogui` mode or check proxy settings |
| **Cloudflare blocking** | Import Cloudflare clearance cookies via Settings → Network → Cloudflare Override |
| **Video not downloading** | Check if the site is accessible. Try updating FetchJAV. Some sites may require proxy |

### Diagnostic Commands

```bash
# Whisper diagnostic
JABLE_WHISPER_DIAGNOSTIC_INPUT=file.wav \
JABLE_WHISPER_DIAGNOSTIC_OUTPUT=result.json \
python main.py

# Local translation diagnostic
JABLE_LOCAL_TRANSLATION_DIAGNOSTIC_OUTPUT=result.json python main.py

# LLM translation diagnostic
JABLE_LLM_TRANSLATION_DIAGNOSTIC_OUTPUT=result.json python main.py
```

### Crash Logs

If FetchJAV crashes, a `crash_log.txt` file is generated beside the executable. Include this file when [filing an issue](https://github.com/FetchJAV/FetchJAV_Public/issues/new).

---

## Contributing

Contributions are welcome! When opening a [GitHub Issue](https://github.com/FetchJAV/FetchJAV_Public/issues/new), please include:

- **App version** and **operating system**
- **Target website**, **reproducible URL**, and **error messages**
- If a crash occurred, attach `crash_log.txt`
- Screenshots if the issue is UI-related

### Development Setup

```bash
git clone https://github.com/FetchJAV/FetchJAV_Public.git
cd FetchJAV
python -m venv .venv
.venv\Scripts\activate  # Windows
pip install -r requirements.txt
python main.py --hot-reload  # Auto-restart on file changes
```

### Upstream Sync

FetchJAV maintains an automated sync with the upstream repository. See `docs/UPSTREAM_SYNC.md` for the detailed 3-way merge workflow and `docs/sync/ownership.json` for file ownership mapping.

---

## License

FetchJAV is licensed under the **Apache License, Version 2.0** — see [LICENSE](./LICENSE) for details.

### Third-Party Licenses

FetchJAV bundles or integrates with the following third-party components:

| Component | License |
|-----------|---------|
| ReazonSpeech | Apache 2.0 |
| sherpa-onnx | Apache 2.0 |
| ONNX Runtime | MIT |
| FuguMT (translation model) | CC BY-SA 4.0 |
| OPUS-MT (translation model) | Apache 2.0 |
| CTranslate2 | MIT |
| SentencePiece | Apache 2.0 |
| OpenCC | Apache 2.0 |
| Intel OpenMP Runtime | Intel Simplified Software License |
| NumPy | BSD-3-Clause |
| PyYAML | MIT |
| PyInstaller | GPL-2.0-or-later (with bootloader exception) |

See [THIRD_PARTY_NOTICES.md](./THIRD_PARTY_NOTICES.md) for full license texts.

---

## Disclaimer

This tool is provided for **personal research and legal backup purposes only**. Users are responsible for complying with local laws and the terms of service of any website accessed through this tool. The developers assume no liability for misuse.

---

## Acknowledgments

- **ALOS (Alos21750)** — Original author of [JableTV-MissAV-Downloader-GUI-2026](https://github.com/Alos21750/JableTV-MissAV-Downloader-GUI-2026)
- **FetchJAV Team** — Maintainers and contributors
- All contributors and testers who help improve FetchJAV
- The open-source libraries that make this project possible

---

## Changelog & Releases

See [GitHub Releases](https://github.com/FetchJAV/FetchJAV_Public/releases) for the latest version history and release notes.

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