v1.2.0

Add `Line` option for subtitle generation

Thank you, merged!

.github/workflows/test_publish.yml

@@ -0,0 +1,63 @@
+name: Build multi-arch Docker Image
+
+on:
+  # Build and push
+  #release:
+  #  types: [published]
+  # Build only
+  #push: it 
+  #  branches: [main]
+  # TODO - enable build on pull requests if build times can be reduced
+  # pull_request:
+  workflow_dispatch:
+
+env:
+  IMAGE_REPOSITORY: ghcr.io/denizsafak/abogen
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Login to Github Container Registry
+      # Only if we need to push an image
+      # if: ${{ github.event_name == 'release' && github.event.action == 'published' }}
+      uses: docker/login-action@v3
+      with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+    # Setup for buildx
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
+    - name: Set up Docker Buildx
+      id: buildx
+      uses: docker/setup-buildx-action@v3
+
+    # Debugging information
+    - name: Docker info
+      run: docker info
+
+    - name: Buildx inspect
+      run: docker buildx inspect
+
+    # Build and (optionally) push the image
+    - name: Build image
+      uses: docker/build-push-action@v6
+      with:
+        context: ./abogen
+        file: ./abogen/Dockerfile
+        # platforms: linux/amd64,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x
+        # platforms: linux/amd64,linux/arm64
+        platforms: linux/amd64 # using the solution mentioned in https://github.com/denizsafak/abogen/issues/46
+        # Only push if we are publishing a release
+        # push: ${{ github.event_name == 'release' && github.event.action == 'published' }}
+        push: true
+        # Use a 'temp' tag, that won't be pushed, for non-release builds
+        tags: ${{ env.IMAGE_REPOSITORY }}:${{ github.event.release.tag_name || 'latest' }}
+        # Use a cache to reduce build times
+        cache-to: type=gha,mode=max
+        cache-from: type=gha

CHANGELOG.md

@@ -1,3 +1,107 @@
+# 1.2.0
+- Added `Line` option to subtitle generation modes, allowing subtitles to be generated based on line breaks in the text, by @mleg in #94.
+- Added a loading indicator to the book handler window for better user experience during book preprocessing.
+- Fixed `cannot access local variable 'is_narrow'` error when subtitle format `SRT` was selected, mentioned by @Kinasa0096 in #88.
+- Fixed folder and filename sanitization to properly handle OS-specific illegal characters (Windows, Linux, macOS), ensuring compatibility across all platforms when creating chapter folders and files.
+- Fixed `/` and `\` path display by normalizing paths.
+- Fixed book reprocessing issue where books were being processed every time the chapters window was opened, improving performance when reopening the same book.
+- Fixed taskbar icon not appearing correctly in Windows.
+- Fixed “Go to folder” button not opening the chapter output directory when only separate chapters were generated.
+- Improvements in code and documentation.
+
+# 1.1.9
+- Fixed the issue where spaces were deleted before punctuation marks while generating subtitles.
+- Fixed markdown TOC generation breaks when "Replace single newlines" is enabled.
+- Improvements in code and documentation.
+
+# 1.1.8
+- Added `.md` (Markdown) file extension support by @brianxiadong in PR #75
+- Added new option `Configure silence between chapters` that lets you configure the silence between chapters, mentioned by @lfperez1982 in #79
+- Better indicators and options while displaying and managing the input and processing files.
+- Improved the markdown logic to better handle various markdown structures and cases.
+- Fixed subtitle splitting before commas by combining punctuation with preceding words.
+- Fixed save options not working correctly in queue mode, mentioned by @jborza in #78
+- Fixed `No Qt platform plugin could be initialized` error, mentioned by @sunrainxyz in #59
+- Fixed ordered list numbers not being included in EPUB content conversion. The numbers are now properly included in the converted content, mentioned by @jefro108 in #47
+- Potentially fixed subtitle generation stucks at 9:59:59, mentioned by @bolaykim in #73
+- Improvements in code and documentation.
+
+# 1.1.7
+- Added MPS GPU acceleration support for Silicon Mac, mentioned in https://github.com/denizsafak/abogen/issues/32#issuecomment-3155902040 by @jefro108. **Please read the [Mac](https://github.com/denizsafak/abogen?tab=readme-ov-file#mac) section in the documentation again, as it requires additional configuration.**
+- Added word-by-word karaoke highlighting feature by @robmckinnon in PR #65
+- Fixed sleep inhibition error occurring on some Linux systems that do not use systemd, mentioned in #67 by @hendrack
+- Improvements in code and documentation.
+
+# 1.1.6
+- Improved EPUB chapter detection: Now reliably detects chapters from NAV HTML (TOC) files, even in non-standard EPUBs, fixes the issue mentioned by @jefro108 in #33
+- Fixed SRT subtitle numbering issue, mentioned by @page-muncher in #41
+- Fixed missing chapter contents issue in some EPUB files.
+- Windows installer script now prompts the user to install the CUDA version of PyTorch even if no NVIDIA GPU is detected.
+- Abogen now includes Mandarin Chinese (misaki[zh]) by default; manual installation is no longer required.
+
+# 1.1.5
+- Changed the temporary directory path to user's cache directory, which is more appropriate for storing cache files and avoids issues with unintended cleanup.
+- Fixed the isssue where extra metadata information was not being saved to M4B files when they have no chapters, ensuring that all metadata is correctly written to the output file.
+- Fixed sleep prevention process not ending if program exited using Ctrl+C or kill.
+- Improved automatic filename suffixing to better prevent overwriting files with the same name, even if they have different extensions.
+- Improvements in code and documentation.
+
+# 1.1.4
+- Fixed extra metadata information not being saved to M4B files, ensuring that all metadata is correctly written to the output file.
+- Reformatted the code using Black for better readability and consistency.
+
+# 1.1.3
+- `M4B (with chapters)` generation is faster now, as it directly generates `m4b` files instead of converting from `wav`, which significantly reduces processing time, fixes the issue mentioned by @Milor123 in #39 
+- Better sleep state handling for Linux.
+- The app window now tries to fit the screen if its height would exceed the available display area.
+- Fixed issue where the app would not restart properly on Windows.
+- Fixed last sentence/subtitle entry timing in generated subtitles, the end time of the final subtitle entry now correctly matches the end of the audio chunk, preventing zero or invalid timings at the end.
+
+# v1.1.2
+- Now you can play the audio files while they are processing.
+- Audio and subtitle files are now written directly to disk during generation, which significantly reduces memory usage.
+- Added a better logic for detecting chapters from the epub, mentioned by @jefro108 in #33
+- Added a new option: `Reset to default settings`, allowing users to reset all settings to their default values.
+- Added a new option: `Disable Kokoro's internet access`. This lets you prevent Kokoro from downloading models or voices from HuggingFace Hub, which can help avoid long waiting times if your computer is offline.
+- HuggingFace Hub telemetry is now disabled by default for improved privacy. (HuggingFace Hub is used by Kokoro to download its models)
+- cPotential fix for #37 and #38, where the program was becoming slow while processing large files.
+- Fixed `Open folder` and `Open file` buttons in the queue manager GUI.
+- Improvements in code structure.
+
+# v1.1.1
+- Fixed adding wrong file in queue for EPUB and PDF files, ensuring the correct file is added to the queue.
+- Reformatted the code using Black.
+
+# v1.1.0
+- Added queue system for processing multiple items, allowing users to add multiple files and process them in a queue, mentioned by @jborza in #30 (Special thanks to @jborza for implementing this feature in PR #35)
+- Added a feature that allows selecting multiple items in book handler (in right click menu) by @jborza in #31, that fixes #28
+- Added dark theme support, allowing users to switch between light and dark themes in the settings.
+- Added auto-accept system to the chapter options dialog in conversion process, allowing the dialog to auto-accept after a certain time if no action is taken.
+- Added new option: `Configure max lines in log window` that allows configuring the maximum number of lines to display in the log window.
+- Improvements in documentation and code.
+
+# v1.0.9
+- Added chunking/segmenting system that fixes memory outage issues when processing large audio files.
+- Added new option: `Subtitle format`, allowing users to choose between `srt` , `ass (wide)`, `ass (narrow)`, and `ass (centered wide)` and `ass (centered narrow)`
+- Improved chapter filename generation with smart word-boundary truncation at 80 characters, preventing mid-word cuts in filenames.
+- `Composer` and `Genre` metadata fields for M4B files are now editable from the text editor.
+- Improvements in documentation and code.
+
+# v1.0.8
+- Added support for AMD GPUs in Linux (Special thanks to @hg000125 for his contribution in #23)
+- Added voice preview caching system that stores generated previews in the cache folder, mentioned by @jborza in #22
+- Added extra metadata support for chaptered M4B files, ensuring better compatibility with audiobook players.
+- Added new option: `Separate chapters audio format`, allowing to choose between `wav`, `mp4`, `flac` and `opus` formats for chaptered audio files.
+- Added a download tracker that displays informative messages while downloading Kokoro models or voices from HuggingFace.
+- Skipping PyTorch CUDA installation if GPU is not NVIDIA in WINDOWS_INSTALL.bat script, preventing unnecessary installation of PyTorch.
+- Removed `abogen_` prefix that was adding to converted books in temp directory.
+- Fixed voice preview player keeps playing silently at the background after preview ends.
+- Fixed not writing separate chapters audio when output is OPUS.
+- Improved input box background color handling, fixed display issues in Linux.
+- Updated profile and voice mixer icons, better visibility and aesthetics in voice mixer.
+- Better sleep state handling for Linux.
+- Improvements in documentation and code.
+
 # v1.0.7
 - Improve chaptered audio generation by outputting directly as `m4b` instead of converting from `wav`.
 - Ignore chapter markers and single newlines when calculating text length, improving the accuracy of the text length calculation.

README.md

@@ -7,60 +7,102 @@
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 [![License: MIT](https://img.shields.io/badge/License-MIT-maroon.svg)](https://opensource.org/licenses/MIT)
 
-Abogen is a powerful text-to-speech conversion tool that makes it easy to turn ePub, PDF, or text files into high-quality audio with matching subtitles in seconds. Use it for audiobooks, voiceovers for Instagram, YouTube, TikTok, or any project that needs natural-sounding text-to-speech, using [Kokoro-82M](https://huggingface.co/hexgrad/Kokoro-82M).
+<a href="https://trendshift.io/repositories/14433" target="_blank"><img src="https://trendshift.io/api/badge/repositories/14433" alt="denizsafak%2Fabogen | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
+
+Abogen is a powerful text-to-speech conversion tool that makes it easy to turn ePub, PDF, text or markdown files into high-quality audio with matching subtitles in seconds. Use it for audiobooks, voiceovers for Instagram, YouTube, TikTok, or any project that needs natural-sounding text-to-speech, using [Kokoro-82M](https://huggingface.co/hexgrad/Kokoro-82M).
 
 <img title="Abogen Main" src='https://raw.githubusercontent.com/denizsafak/abogen/refs/heads/main/demo/abogen.png' width="380"> <img title="Abogen Processing" src='https://raw.githubusercontent.com/denizsafak/abogen/refs/heads/main/demo/abogen2.png' width="380">
 
 ## Demo
-https://github.com/user-attachments/assets/cb66512d-0a52-48c3-bda4-f1e6a03fb8d6
+
+https://github.com/user-attachments/assets/094ba3df-7d66-494a-bc31-0e4b41d0b865
 
 > This demo was generated in just 5 seconds, producing ∼1 minute of audio with perfectly synced subtitles. To create a similar video, see [the demo guide](https://github.com/denizsafak/abogen/tree/main/demo).
 
 ## `How to install?` <a href="https://pypi.org/project/abogen/" target="_blank"><img src="https://img.shields.io/pypi/pyversions/abogen" alt="Abogen Compatible PyPi Python Versions" align="right" style="margin-top:6px;"></a>
+
 ### Windows
 Go to [espeak-ng latest release](https://github.com/espeak-ng/espeak-ng/releases/latest) download and run the *.msi file.
-```bash
-# For NVIDIA GPUs:
-pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu128
 
-# Install abogen
+#### OPTION 1: Install using script
-pip install abogen
-```
-Alternatively, for an easier setup on Windows:
 1. [Download](https://github.com/denizsafak/abogen/archive/refs/heads/main.zip) the repository
 2. Extract the ZIP file
 3. Run `WINDOWS_INSTALL.bat` by double-clicking it
 
 This method handles everything automatically - installing all dependencies including CUDA in a self-contained environment without requiring a separate Python installation. (You still need to install [espeak-ng](https://github.com/espeak-ng/espeak-ng/releases/latest).)
 
+> [!NOTE]
+> You don't need to install Python separately. The script will install Python automatically.
+
+#### OPTION 2: Install using pip
+```bash
+# Create a virtual environment (optional)
+mkdir abogen && cd abogen
+python -m venv venv
+venv\Scripts\activate
+
+# For NVIDIA GPUs:
+pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu128
+
+# For AMD GPUs:
+# Not supported yet, because ROCm is not available on Windows. Use Linux if you have AMD GPU.
+
+# Install abogen
+pip install abogen
+```
+
 ### Mac
 ```bash
 # Install espeak-ng
 brew install espeak-ng
 
+# Create a virtual environment (recommended)
+mkdir abogen && cd abogen
+python3 -m venv venv
+source venv/bin/activate
+
 # Install abogen
-pip install abogen # (I have not tested it)
+pip3 install abogen
+
+# For Silicon Mac (M1, M2 etc.)
+# After installing abogen, we need to install Kokoro's development version which includes MPS support.
+pip3 install git+https://github.com/hexgrad/kokoro.git
 ```
 ### Linux
 ```bash
 # Install espeak-ng
+sudo apt install espeak-ng # Ubuntu/Debian
+sudo pacman -S espeak-ng # Arch Linux
+sudo dnf install espeak-ng # Fedora
 
-# Ubuntu/Debian
+# Create a virtual environment (recommended)
-sudo apt install espeak-ng
+mkdir abogen && cd abogen
-# Arch Linux
+python3 -m venv venv
-sudo pacman -S espeak-ng
+source venv/bin/activate
-# Fedora
-sudo dnf install espeak-ng
 
 # Install abogen
-pip install abogen
+pip3 install abogen
-```
-> If you get `WARNING: The script abogen-cli is installed in '/home/username/.local/bin' which is not on PATH.` error, run the following command to add it to your PATH:
->```bash
->echo "export PATH=\"/home/$USER/.local/bin:\$PATH\"" >> ~/.bashrc && source ~/.bashrc
->```
 
-> If you get "No matching distribution found" error, try installing it on supported Python (3.10 to 3.12). You can use [pyenv](https://github.com/pyenv/pyenv) to manage multiple Python versions easily in Linux. Watch this [video](https://www.youtube.com/watch?v=MVyb-nI4KyI) by NetworkChuck for a quick guide.
+# For NVIDIA GPUs:
+# Already supported, no need to install CUDA separately.
+
+# For AMD GPUs:
+# After installing abogen, we need to uninstall the existing torch package
+pip3 uninstall torch 
+pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/rocm6.4
+```
+
+> See [How to fix "CUDA GPU is not available. Using CPU" warning?](#cuda-warning)
+
+> See [How  to fix "WARNING: The script abogen-cli is installed in '/home/username/.local/bin' which is not on PATH" error in Linux?](#path-warning)
+
+> See [How to fix "No matching distribution found" error?](#no-matching-distribution-found)
+
+> See [How to fix "[WinError 1114] A dynamic link library (DLL) initialization routine failed" error?](#WinError-1114)
+
+> See [How to use "uv" instead of "pip"?](#use-uv-instead-of-pip)
+
+> Special thanks to [@hg000125](https://github.com/hg000125) for his contribution in [#23](https://github.com/denizsafak/abogen/issues/23). AMD GPU support is possible thanks to his work.
 
 ## `How to run?`
 If you installed using pip, you can simply run the following command to start Abogen:
@@ -68,10 +110,11 @@ If you installed using pip, you can simply run the following command to start Ab
 ```bash
 abogen
 ```
-> If you installed using the Windows installer `(WINDOWS_INSTALL.bat)`, It should have created a shortcut in the same folder, or your desktop. You can run it from there. If you lost the shortcut, Abogen is located in `python_embedded/Scripts/abogen.exe`. You can run it from there directly.
+> [!TIP]
+> If you installed Abogen using the Windows installer `(WINDOWS_INSTALL.bat)`, It should have created a shortcut in the same folder, or your desktop. You can run it from there. If you lost the shortcut, Abogen is located in `python_embedded/Scripts/abogen.exe`. You can run it from there directly.
 
 ## `How to use?`
-1) Drag and drop any ePub, PDF, or text file (or use the built-in text editor)
+1) Drag and drop any ePub, PDF, text or markdown file (or use the built-in text editor)
 2) Configure the settings:
     - Set speech speed
     - Select a voice (or create a custom voice using voice mixer)
@@ -85,39 +128,79 @@ abogen
 
 Here’s Abogen in action: in this demo, it processes ∼3,000 characters of text in just 11 seconds and turns it into 3 minutes and 28 seconds of audio, and I have a low-end **RTX 2060 Mobile laptop GPU**. Your results may vary depending on your hardware.
 
-## `Key Features`
+## `Configuration`
-- **Supported formats**: `ePub`, `PDF`, or `.TXT` files (or use built-in text editor)
+
-- **Speed**: Adjust speech rate from `0.1x` to `2.0x`
+| Options | Description |
-- **Voices**: First letter of the language code (e.g., `a` for American English, `b` for British English, etc.), second letter is for `m` for male and `f` for female.
+|---------|-------------|
-- **Voice mixer**: Create custom voices by mixing different voice models with a profile system.
+| **Input Box** | Drag and drop `ePub`, `PDF`, `.TXT` or `.MD` files (or use built-in text editor) |
-- **Generate subtitles**: `Disabled`, `Sentence`, `Sentence + Comma`, `1 word`, `2 words`, `3 words`, etc. (Represents the number of words in each subtitle entry)
+| **Queue options** | Add multiple files to a queue and process them in batch, with individual settings for each file. See [Queue mode](#queue-mode) for more details. |
-- **Output formats**: `.WAV`, `.FLAC`, `.MP3`, `.OPUS` and `M4B (with chapters)` (Special thanks to [@jborza](https://github.com/jborza) for chapter support in PR [#10](https://github.com/denizsafak/abogen/pull/10))
+| **Speed** | Adjust speech rate from `0.1x` to `2.0x` |
-- **Save location**: `Save next to input file`, `Save to desktop`, or `Choose output folder`
+| **Select Voice** | First letter of the language code (e.g., `a` for American English, `b` for British English, etc.), second letter is for `m` for male and `f` for female. |
-- **Chapter Control**: Select specific `chapters` from ePUBs or `chapters + pages` from PDFs.
+| **Voice mixer** | Create custom voices by mixing different voice models with a profile system. See [Voice Mixer](#voice-mixer) for more details. |
-- **Save each chapter separately**: Save each chapter in e-books as a separate audio file.
+| **Voice preview** | Listen to the selected voice before processing. |
-- **Project folder**: Save the converted items in a project folder with available metadata files.
+| **Generate subtitles** | `Disabled`, `Line`, `Sentence`, `Sentence + Comma`, `Sentence + Highlighting`, `1 word`, `2 words`, `3 words`, etc. (Represents the number of words in each subtitle entry) |
-- **Options**:
+| **Output voice format** | `.WAV`, `.FLAC`, `.MP3`, `.OPUS (best compression)` and `M4B (with chapters)` |
-    - **Replace single newlines with spaces**: Replaces single newlines with spaces in the text. This is useful for texts that have imaginary line breaks.
+| **Output subtitle format** | Configures the subtitle format as `SRT (standard)`, `ASS (wide)`, `ASS (narrow)`, `ASS (centered wide)`, or `ASS (centered narrow)`. |
-    - **Configure max words per subtitle**: Configures the maximum number of words per subtitle entry.
+| **Replace single newlines with spaces** | Replaces single newlines with spaces in the text. This is useful for texts that have imaginary line breaks. |
-    - **Create desktop shortcut**: Creates a shortcut on your desktop for easy access.
+| **Save location** | `Save next to input file`, `Save to desktop`, or `Choose output folder` |
-    - **Open config.json directory**: Opens the directory where the configuration file is stored.
+
-    - **Open temp directory**: Opens the temporary directory where converted text files are stored.
+> Special thanks to [@brianxiadong](https://github.com/brianxiadong) for adding markdown support in PR [#75](https://github.com/denizsafak/abogen/pull/75)
-    - **Clear all temporary files**: Deletes all temporary files created during the conversion process.
+
-    - **Check for updates at startup**: Automatically checks for updates when the program starts.
+> Special thanks to [@jborza](https://github.com/jborza) for chapter support in PR [#10](https://github.com/denizsafak/abogen/pull/10)
-- **After conversion**: `Open file`, `Go to folder`, `New conversion`, or `Go back`.
+
+> Special thanks to [@mleg](https://github.com/mleg) for adding `Line` option in subtitle generation in PR [#94](https://github.com/denizsafak/abogen/pull/94)
+
+| Book handler options | Description |
+|---------|-------------|
+| **Chapter Control** | Select specific `chapters` from ePUBs or markdown files or `chapters + pages` from PDFs. |
+| **Save each chapter separately** | Save each chapter in e-books as a separate audio file. |
+| **Create a merged version** | Create a single audio file that combines all chapters. (If `Save each chapter separately` is disabled, this option will be the default behavior.) |
+| **Save in a project folder with metadata** | Save the converted items in a project folder with available metadata files. |
+
+| Menu options | Description |
+|---------|-------------|
+| **Theme** | Change the application's theme using `System`, `Light`, or `Dark` options. |
+| **Configure max words per subtitle** | Configures the maximum number of words per subtitle entry. |
+| **Configure silence between chapters** | Configures the duration of silence between chapters (in seconds). |
+| **Configure max lines in log window** | Configures the maximum number of lines to display in the log window. |
+| **Separate chapters audio format** | Configures the audio format for separate chapters as `wav`, `flac`, `mp3`, or `opus`. |
+| **Create desktop shortcut** | Creates a shortcut on your desktop for easy access. |
+| **Open config directory** | Opens the directory where the configuration file is stored. |
+| **Open cache directory** | Opens the cache directory where converted text files are stored. |
+| **Clear cache files** | Deletes cache files created during the conversion or preview. |
+| **Check for updates at startup** | Automatically checks for updates when the program starts. |
+| **Disable Kokoro's internet access** | Prevents Kokoro from downloading models or voices from HuggingFace Hub, useful for offline use. |
+| **Reset to default settings** | Resets all settings to their default values. |
+
+> Special thanks to [@robmckinnon](https://github.com/robmckinnon) for adding Sentence + Highlighting feature in PR [#65](https://github.com/denizsafak/abogen/pull/65)
 
 ## `Voice Mixer`
 <img title="Abogen Voice Mixer" src='https://raw.githubusercontent.com/denizsafak/abogen/refs/heads/main/demo/voice_mixer.png'>
 
-With voice mixer, you can create custom voices by mixing different voice models. You can adjust the weight of each voice and save your custom voice as a profile for future use. The voice mixer allows you to create unique and personalized voices. (Huge thanks to [@jborza](https://github.com/jborza) for making this possible through his contributions in [#5](https://github.com/denizsafak/abogen/pull/5))
+With voice mixer, you can create custom voices by mixing different voice models. You can adjust the weight of each voice and save your custom voice as a profile for future use. The voice mixer allows you to create unique and personalized voices.
+
+> Special thanks to [@jborza](https://github.com/jborza) for making this possible through his contributions in [#5](https://github.com/denizsafak/abogen/pull/5)
+
+## `Queue Mode`
+<img title="Abogen queue mode" src='https://raw.githubusercontent.com/denizsafak/abogen/refs/heads/main/demo/queue.png'>
+
+Abogen supports **queue mode**, allowing you to add multiple files to a processing queue. This is useful if you want to convert several files in one batch.
+
+- You can add text files (`.txt`) directly using the **Add files** button in the Queue Manager. To add PDF, EPUB, or markdown files, use the input box in the main window and click the **Add to Queue** button.
+- Each file in the queue keeps the configuration settings that were active when it was added. Changing the main window configuration afterward does **not** affect files already in the queue.
+- You can view each file's configuration by hovering over them.
+
+Abogen will process each item in the queue automatically, saving outputs as configured.
+
+> Special thanks to [@jborza](https://github.com/jborza) for adding queue mode in PR [#35](https://github.com/denizsafak/abogen/pull/35)
 
 ## `About Chapter Markers`
-When you process ePUB or PDF files, Abogen converts them into text files stored in your temporary directory. When you click "Edit," you're actually modifying these converted text files. In these text files, you'll notice tags that look like this:
+When you process ePUB, PDF or markdown files, Abogen converts them into text files stored in your cache directory. When you click "Edit," you're actually modifying these converted text files. In these text files, you'll notice tags that look like this:
 
 ```
 <<CHAPTER_MARKER:Chapter Title>>
 ```
-These are chapter markers. They are automatically added when you process ePUB or PDF files, based on the chapters you select. They serve an important purpose:
+These are chapter markers. They are automatically added when you process ePUB, PDF or markdown files, based on the chapters you select. They serve an important purpose:
 -  Allow you to split the text into separate audio files for each chapter
 -  Save time by letting you reprocess only specific chapters if errors occur, rather than the entire file
 
@@ -134,6 +217,17 @@ When you process the text file, Abogen will detect these markers automatically a
 
 ![Abogen Chapter Marker](https://raw.githubusercontent.com/denizsafak/abogen/refs/heads/main/demo/chapter_marker.png)
 
+## `About Metadata Tags`
+Similar to chapter markers, it is possible to add metadata tags for `M4B` files. This is useful for audiobook players that support metadata, allowing you to add information like title, author, year, etc. Abogen automatically adds these tags when you process ePUB, PDF or markdown files, but you can also add them manually to your text files. Add metadata tags **at the beginning of your text file** like this:
+```
+<<METADATA_TITLE:Title>>
+<<METADATA_ARTIST:Author>>
+<<METADATA_ALBUM:Album Title>>
+<<METADATA_YEAR:Year>>
+<<METADATA_ALBUM_ARTIST:Album Artist>>
+<<METADATA_COMPOSER:Narrator>>
+<<METADATA_GENRE:Audiobook>>
+```
 
 ## `Supported Languages`
 ```
@@ -148,14 +242,18 @@ When you process the text file, Abogen will detect these markers automatically a
 ```
 For a complete list of supported languages and voices, refer to Kokoro's [VOICES.md](https://huggingface.co/hexgrad/Kokoro-82M/blob/main/VOICES.md). To listen to sample audio outputs, see [SAMPLES.md](https://huggingface.co/hexgrad/Kokoro-82M/blob/main/SAMPLES.md).
 
+> See [How to fix Japanese audio not working?](#japanese-audio-not-working)
+
 ## `MPV Config`
 I highly recommend using [MPV](https://mpv.io/installation/) to play your audio files, as it supports displaying subtitles even without a video track. Here's my `mpv.conf`:
 ```
+# --- MPV Settings ---
 save-position-on-quit
 keep-open=yes
---audio-device=openal
+# --- Subtitle ---
---sub-margin-x=235
+sub-ass-override=no
---sub-pos=60
+sub-margin-y=50
+sub-margin-x=50
 # --- Audio Quality ---
 audio-spdif=ac3,dts,eac3,truehd,dts-hd
 audio-channels=auto
@@ -192,12 +290,13 @@ Abogen launches automatically inside the container.
 - You can access it via a web browser at [http://localhost:5800](http://localhost:5800) or connect to it using a VNC client at `localhost:5900`.
 - You can use `/shared` directory to share files between your host and the container.
 - For later use, start it with `docker start abogen` and stop it with `docker stop abogen`.
+- Pass in `-e WEB_AUDIO="1"` for `docker run` to enable audio.
 
 Known issues:
-- Audio preview is not working inside container (ALSA error).
+- Audio preview is not working inside container (ALSA error) if using a VNC client.
-- `Open temp directory` and `Open configuration directory` options in settings not working. (Tried pcmanfm, did not work with Abogen).
+- `Open cache directory` and `Open configuration directory` options in settings not working. (Tried pcmanfm, did not work with Abogen).
 
-(Special thanks to [@geo38](https://www.reddit.com/user/geo38/) from Reddit, who provided the Dockerfile and instructions in [this comment](https://www.reddit.com/r/selfhosted/comments/1k8x1yo/comment/mpe0bz8/).)
+> Special thanks to [@geo38](https://www.reddit.com/user/geo38/) from Reddit, who provided the Dockerfile and instructions in [this comment](https://www.reddit.com/r/selfhosted/comments/1k8x1yo/comment/mpe0bz8/).
 
 ## `Similar Projects`
 Abogen is a standalone project, but it is inspired by and shares some similarities with other projects. Here are a few:
@@ -205,22 +304,130 @@ Abogen is a standalone project, but it is inspired by and shares some similariti
 - [autiobooks](https://github.com/plusuncold/autiobooks): Automatically convert epubs to audiobooks
 - [pdf-narrator](https://github.com/mateogon/pdf-narrator): Convert your PDFs and EPUBs into audiobooks effortlessly.
 - [epub_to_audiobook](https://github.com/p0n1/epub_to_audiobook): EPUB to audiobook converter, optimized for Audiobookshelf
+- [ebook2audiobook](https://github.com/DrewThomasson/ebook2audiobook): Convert ebooks to audiobooks with chapters and metadata using dynamic AI models and voice cloning
 
 ## `Roadmap`
-- [ ] Add OCR scan feature for PDF files using docling.
+- [ ] Add OCR scan feature for PDF files using docling/teserract.
 - [x] Add chapter metadata for .m4a files. (Issue [#9](https://github.com/denizsafak/abogen/issues/9), PR [#10](https://github.com/denizsafak/abogen/pull/10))
 - [ ] Add support for different languages in GUI.
 - [x] Add voice formula feature that enables mixing different voice models. (Issue [#1](https://github.com/denizsafak/abogen/issues/1), PR [#5](https://github.com/denizsafak/abogen/pull/5))
 - [ ] Add support for kokoro-onnx (If it's necessary).
-- [ ] Add dark mode.
+- [x] Add dark mode.
 
 ## `Troubleshooting`
 If you encounter any issues while running Abogen, try launching it from the command line with:
 ```
 abogen-cli
 ```
+
+If you installed using the Windows installer `(WINDOWS_INSTALL.bat)`, go to `python_embedded/Scripts` and run:
+```
+abogen-cli.exe
+```
+
 This will start Abogen in command-line mode and display detailed error messages. Please open a new issue on the [Issues](https://github.com/denizsafak/abogen/issues) page with the error message and a description of your problem.
 
+## `Common Issues & Solutions`
+
+<details><summary><b>
+<a name="about-abogen">About the name "abogen"</a>
+</b></summary>
+
+> The name **"abogen"** comes from a shortened form of **"audiobook generator"**, which is the purpose of this project.  
+>
+> After releasing the project, I learned from [community feedback](https://news.ycombinator.com/item?id=44853064#44857237) that the prefix *"abo"* can unfortunately be understood as an ethnic slur in certain regions (particularly Australia and New Zealand). This was something I was not aware of when naming the project, as English is not my first language.  
+>
+> I want to make it clear that the name was chosen only for its technical meaning, with **no offensive intent**. I’m grateful to those who kindly pointed this out, as it helps ensure the project remains respectful and welcoming to everyone.  
+
+</details>
+
+<details><summary><b>
+<a name="cuda-warning">How to fix "CUDA GPU is not available. Using CPU" warning?</a>
+</b></summary>
+
+> This message means PyTorch couldn't use your GPU. On Windows, Abogen supports NVIDIA GPUs with CUDA. AMD GPUs are supported only on Linux. Abogen will still run on the CPU, but it will be slower.
+>
+> If you have a compatible NVIDIA GPU on Windows and still see this warning:
+> Open your terminal in the Abogen folder (the folder that contains `python_embedded`) and type:
+> ```bash
+> python_embedded\python.exe -m pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu128
+> ```
+> If you have an AMD GPU, use Linux and follow the Linux/ROCm [instructions](#how-to-install-). If you want to keep running on CPU, no action is required, but performance will just be reduced. See [#32](https://github.com/denizsafak/abogen/issues/32) for more details.
+
+</details>
+
+<details><summary><b>
+<a name="path-warning">How to fix "WARNING: The script abogen-cli is installed in '/home/username/.local/bin' which is not on PATH" error in Linux?</a>
+</b></summary>
+
+> Run the following command to add Abogen to your PATH:
+> ```bash
+> echo "export PATH=\"/home/$USER/.local/bin:\$PATH\"" >> ~/.bashrc && source ~/.bashrc
+> ```
+
+</details>
+
+<details><summary><b>
+<a name="no-matching-distribution-found">How to fix "No matching distribution found" error?<a>
+</b></summary>
+
+> Try installing Abogen on supported Python (3.10 to 3.12) versions. You can use [pyenv](https://github.com/pyenv/pyenv) to manage multiple Python versions easily in Linux. Watch this [video](https://www.youtube.com/watch?v=MVyb-nI4KyI) by NetworkChuck for a quick guide.
+
+</details>
+
+<details><summary><b>
+<a name="WinError-1114">How to fix "[WinError 1114] A dynamic link library (DLL) initialization routine failed" error?</a>
+</b></summary>
+
+> I faced this error when trying to run Abogen in a virtual Windows machine without GPU support. Here's how I fixed it:
+> If you installed Abogen using the Windows installer `(WINDOWS_INSTALL.bat)`, go to Abogen's folder (that contains `python_embedded`), open your terminal there and run:
+> ```bash
+> python_embedded\python.exe -m pip install torch==2.8.0 torchaudio==2.8.0 torchvision==0.23.0
+> ```
+> If you installed Abogen using pip, open your terminal in the virtual environment and run:
+> ```bash
+> pip install torch==2.8.0 torchaudio==2.8.0 torchvision==0.23.0
+> ```
+
+</details>
+
+<details><summary><b>
+<a name="japanese-audio-not-working">How to fix Japanese audio not working?</a>
+</b></summary>
+
+> Japanese audio may require additional configuration. 
+> I'm not sure about the exact solution, but it seems to be related to installing additional dependencies for Japanese support in Kokoro. Please check [#56](https://github.com/denizsafak/abogen/issues/56) for more information. 
+
+</details>
+
+<details><summary><b>
+<a name="use-uv-instead-of-pip">How to use "uv" instead of "pip"?</a>
+</b></summary>
+
+> Abogen needs "pip", because Kokoro uses pip to download voice models from HuggingFace Hub. If you want to use "uv" instead of "pip", you can use the following command to run Abogen:
+>
+> ```bash
+> uvx --with pip abogen
+> ```
+
+</details>
+
+<details><summary><b>
+<a name="use-uv-instead-of-pip">How to uninstall Abogen?</a>
+</b></summary>
+
+> - From the settings menu, go to `Open configuration directory` and delete the directory.
+> - From the settings menu, go to `Open cache directory` and delete the directory.
+> - If you installed Abogen using pip, type:
+>```bash
+>pip uninstall abogen # uninstalls abogen
+>pip cache purge # removes pip cache
+>```
+> - If you installed Abogen using the Windows installer (WINDOWS_INSTALL.bat), just remove the folder that contains Abogen. It installs everything inside `python_embedded` folder, no other directories are created.
+> - If you installed espeak-ng, you need to remove it separately.
+
+</details>
+
 ## `Contributing`
 I welcome contributions! If you have ideas for new features, improvements, or bug fixes, please fork the repository and submit a pull request.
 ### For developers and contributors
@@ -239,13 +446,16 @@ Feel free to explore the code and make any changes you like.
 - Thanks to [@wojiushixiaobai](https://github.com/wojiushixiaobai) for [Embedded Python](https://github.com/wojiushixiaobai/Python-Embed-Win64) packages. These modified packages include pip pre-installed, enabling Abogen to function as a standalone application without requiring users to separately install Python in Windows.
 - Thanks to creators of [EbookLib](https://github.com/aerkalov/ebooklib), a Python library for reading and writing ePub files, which is used for extracting text from ePub files.
 - Special thanks to the [PyQt](https://www.riverbankcomputing.com/software/pyqt/) team for providing the cross-platform GUI toolkit that powers Abogen's interface.
-- Icons: [US](https://icons8.com/icon/aRiu1GGi6Aoe/usa), [Great Britain](https://icons8.com/icon/t3NE3BsOAQwq/great-britain), [Spain](https://icons8.com/icon/ly7tzANRt33n/spain), [France](https://icons8.com/icon/3muzEmi4dpD5/france), [India](https://icons8.com/icon/esGVrxg9VCJ1/india), [Italy](https://icons8.com/icon/PW8KZnP7qXzO/italy), [Japan](https://icons8.com/icon/McQbrq9qaQye/japan), [Brazil](https://icons8.com/icon/zHmH8HpOmM90/brazil), [China](https://icons8.com/icon/Ej50Oe3crXwF/china), [Female](https://icons8.com/icon/uI49hxbpxTkp/female), [Male](https://icons8.com/icon/12351/male) and [Voice Id](https://icons8.com/icon/GskSeVoroQ7u/voice-id) icons by [Icons8](https://icons8.com/).
+- Icons: [US](https://icons8.com/icon/aRiu1GGi6Aoe/usa), [Great Britain](https://icons8.com/icon/t3NE3BsOAQwq/great-britain), [Spain](https://icons8.com/icon/ly7tzANRt33n/spain), [France](https://icons8.com/icon/3muzEmi4dpD5/france), [India](https://icons8.com/icon/esGVrxg9VCJ1/india), [Italy](https://icons8.com/icon/PW8KZnP7qXzO/italy), [Japan](https://icons8.com/icon/McQbrq9qaQye/japan), [Brazil](https://icons8.com/icon/zHmH8HpOmM90/brazil), [China](https://icons8.com/icon/Ej50Oe3crXwF/china), [Female](https://icons8.com/icon/uI49hxbpxTkp/female), [Male](https://icons8.com/icon/12351/male), [Adjust](https://icons8.com/icon/21698/adjust) and [Voice Id](https://icons8.com/icon/GskSeVoroQ7u/voice-id) icons by [Icons8](https://icons8.com/).
 
 ## `License`
 This project is available under the MIT License - see the [LICENSE](https://github.com/denizsafak/abogen/blob/main/LICENSE) file for details.
 [Kokoro](https://github.com/hexgrad/kokoro) is licensed under [Apache-2.0](https://github.com/hexgrad/kokoro/blob/main/LICENSE) which allows commercial use, modification, distribution, and private use.
 
+## `Star History`
+[![Star History Chart](https://api.star-history.com/svg?repos=denizsafak/abogen&type=Date)](https://www.star-history.com/#denizsafak/abogen&Date)
+
 > [!IMPORTANT]
 > Subtitle generation currently works only for English. This is because Kokoro provides timestamp tokens only for English text. If you want subtitles in other languages, please request this feature in the [Kokoro project](https://github.com/hexgrad/kokoro). For more technical details, see [this line](https://github.com/hexgrad/kokoro/blob/6d87f4ae7abc2d14dbc4b3ef2e5f19852e861ac2/kokoro/pipeline.py#L383) in the Kokoro's code.
 
-> Tags: audiobook, kokoro, text-to-speech, TTS, audiobook generator, audiobooks, text to speech, audiobook maker, audiobook creator, audiobook generator, voice-synthesis, text to audio, text to audio converter, text to speech converter, text to speech generator, text to speech software, text to speech app, epub to audio, pdf to audio, content-creation, media-generation
+> Tags: audiobook, kokoro, text-to-speech, TTS, audiobook generator, audiobooks, text to speech, audiobook maker, audiobook creator, audiobook generator, voice-synthesis, text to audio, text to audio converter, text to speech converter, text to speech generator, text to speech software, text to speech app, epub to audio, pdf to audio, markdown to audio, content-creation, media-generation

WINDOWS_INSTALL.bat

@@ -1,5 +1,5 @@
 @echo off
-setlocal
+setlocal EnableDelayedExpansion
 cd /d "%~dp0"
 
 :: Set misaki language
@@ -23,7 +23,6 @@ set CUDA_VERSION=128
 for /f "delims=: tokens=*" %%A in ('findstr /b ::: "%~f0"') do @echo(%%A
 
 set CURRENT_DIR="%CD%"
-setlocal enabledelayedexpansion
 set NAME=abogen
 set PROJECTFOLDER=abogen
 set RUN=python_embedded\Scripts\abogen.exe
@@ -140,10 +139,10 @@ if exist "%VERSION_FILE%" (
 REM Python embedded download configuration for different architectures
 if "%PROCESSOR_ARCHITECTURE%"=="x86" (
     set PYTHON_EMBEDDED_FILE=%PROJECTFOLDER%\python_embedded_win32.zip
-    set PYTHON_EMBEDDED_URL=https://github.com/wojiushixiaobai/Python-Embed-Win64/releases/download/3.12.8/python-3.12.8-embed-win32.zip
+    set PYTHON_EMBEDDED_URL=https://github.com/wojiushixiaobai/Python-Embed-Win64/releases/download/3.12.12/python-3.12.12-embed-win32.zip
 ) else (
     set PYTHON_EMBEDDED_FILE=%PROJECTFOLDER%\python_embedded_amd64.zip
-    set PYTHON_EMBEDDED_URL=https://github.com/wojiushixiaobai/Python-Embed-Win64/releases/download/3.12.8/python-3.12.8-embed-amd64.zip
+    set PYTHON_EMBEDDED_URL=https://github.com/wojiushixiaobai/Python-Embed-Win64/releases/download/3.12.12/python-3.12.12-embed-amd64.zip
 )
 
 :: Check if Python exists
@@ -230,18 +229,27 @@ if errorlevel 1 (
 
 :: Install setup requirements
 echo Installing setup requirements...
-%PYTHON_CONSOLE_PATH% -m pip install --upgrade setuptools wheel sphinx hatchling --no-warn-script-location
+%PYTHON_CONSOLE_PATH% -m pip install --upgrade setuptools setuptools-scm wheel sphinx hatchling editables --no-warn-script-location
 if errorlevel 1 (
     echo Failed to install setup requirements.
     pause
     exit /b
 )
 
+:: Install gpustat
+echo Installing gpustat...
+%PYTHON_CONSOLE_PATH% -m pip install gpustat --no-warn-script-location
+if errorlevel 1 (
+    echo Failed to install gpustat.
+    pause
+    exit /b
+)
+
 :: Install project and dependencies from pyproject.toml
 echo Checking and installing project dependencies...
 if exist %PYPROJECT_FILE% (
     echo Installing project from pyproject.toml...
-    %PYTHON_CONSOLE_PATH% -m pip install . --no-warn-script-location
+    %PYTHON_CONSOLE_PATH% -m pip install -e . --no-warn-script-location
     if errorlevel 1 (
         echo Failed to install from pyproject.toml.
         pause
@@ -255,7 +263,7 @@ if exist %PYPROJECT_FILE% (
 :: Install misaki again if MISAKI_LANG is not set to "en"
 if "%MISAKI_LANG%" NEQ "en" (
     echo Configuring language pack: %MISAKI_LANG%
-    %PYTHON_CONSOLE_PATH% -m pip install misaki[lang] --upgrade --no-warn-script-location
+    %PYTHON_CONSOLE_PATH% -m pip install misaki[%MISAKI_LANG%] --upgrade --no-warn-script-location
     if errorlevel 1 (
         echo Failed to install misaki language pack.
         pause
@@ -263,21 +271,48 @@ if "%MISAKI_LANG%" NEQ "en" (
     )
 )
 
-:: Check if torch is installed with CUDA support
+:: Check for NVIDIA GPU via is_nvidia()
-echo Checking CUDA availability...
+for /f %%i in ('%PYTHON_CONSOLE_PATH% -c "from abogen.is_nvidia import check; print(check())"') do set IS_NVIDIA=%%i
-for /f %%i in ('%PYTHON_CONSOLE_PATH% -c "from torch.cuda import is_available; print(is_available())"') do set cuda_available=%%i
 
-if "%cuda_available%"=="False" (
+:: Check if torch is installed with CUDA support
-    echo Installing PyTorch with CUDA %CUDA_VERSION% support...
+echo.
-    %PYTHON_CONSOLE_PATH% -m pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu%CUDA_VERSION% --no-warn-script-location
+echo Checking CUDA availability...
-    echo.
+if /I "%IS_NVIDIA%"=="true" (
-    if errorlevel 1 (
+    for /f %%i in ('%PYTHON_CONSOLE_PATH% -c "from torch.cuda import is_available; print(is_available())"') do set cuda_available=%%i
-        echo Failed to install PyTorch.
+
-        pause
+    if "%cuda_available%"=="False" (
-        exit /b
+        echo Installing PyTorch with CUDA %CUDA_VERSION% support...
+        %PYTHON_CONSOLE_PATH% -m pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu%CUDA_VERSION% --no-warn-script-location
+        echo.
+        if errorlevel 1 (
+            echo Failed to install PyTorch.
+            pause
+            exit /b
+        )
+    ) else (
+        echo CUDA is available on NVIDIA GPU.
     )
 ) else (
-    echo CUDA is available.
+    echo.
+    echo Unable to detect an NVIDIA GPU in your system.
+    echo.
+    echo Do you want to install PyTorch anyway?
+    echo.
+    echo If you DO have an NVIDIA GPU, please press Y.
+    echo If you DO NOT have an NVIDIA GPU, please press N.
+    echo.
+    choice /C YN /M "Y=Yes, N=No"
+    if errorlevel 2 (
+        echo Skipping PyTorch installation.
+    ) else (
+        echo Installing PyTorch with CUDA %CUDA_VERSION% support...
+        %PYTHON_CONSOLE_PATH% -m pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu%CUDA_VERSION% --no-warn-script-location
+        if errorlevel 1 (
+            echo Failed to install PyTorch.
+            pause
+            exit /b
+        )
+    )
 )
 
 :: Ask user if they want to create a desktop shortcut

abogen/VERSION

@@ -1 +1 @@
-1.0.7
+1.2.0

abogen/assets/settings.svg

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg height="800px" width="800px" version="1.1" id="_x32_" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" 
+	 viewBox="0 0 512 512"  xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#808080;}
+</style>
+<g>
+	<path class="st0" d="M502.325,307.303l-39.006-30.805c-6.215-4.908-9.665-12.429-9.668-20.348c0-0.084,0-0.168,0-0.252
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+		c-4.356-10.516-15.167-16.86-26.472-15.532l-49.366,5.8c-7.881,0.926-15.656-1.966-21.258-7.586
+		c-0.059-0.06-0.118-0.119-0.177-0.178c-5.597-5.602-8.476-13.36-7.552-21.225l5.799-49.363
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+		c-4.908,6.215-12.43,9.665-20.349,9.668c-0.084,0-0.168,0-0.252,0c-7.935,0.014-15.477-3.44-20.395-9.667L204.697,9.675
+		c-7.055-8.933-19.185-12.092-29.702-7.736L133.63,19.072c-10.516,4.356-16.86,15.167-15.532,26.473l5.799,49.366
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+		c-8.933,7.055-12.092,19.185-7.736,29.701l17.134,41.365c4.356,10.516,15.168,16.86,26.472,15.532l49.366-5.799
+		c7.882-0.926,15.656,1.965,21.258,7.586c0.059,0.059,0.118,0.119,0.178,0.178c5.597,5.603,8.476,13.36,7.552,21.226l-5.799,49.364
+		c-1.328,11.305,5.015,22.116,15.532,26.472l41.366,17.134c10.516,4.356,22.646,1.196,29.701-7.736l30.804-39.005
+		c4.908-6.215,12.43-9.665,20.348-9.669c0.084,0,0.168,0,0.251,0c7.936-0.014,15.478,3.44,20.396,9.667l30.806,39.007
+		c7.055,8.933,19.185,12.093,29.701,7.736l41.366-17.134c10.516-4.356,16.86-15.168,15.532-26.472l-5.8-49.366
+		c-0.926-7.881,1.965-15.656,7.586-21.257c0.059-0.059,0.119-0.119,0.178-0.178c5.602-5.597,13.36-8.476,21.225-7.552l49.364,5.799
+		c11.305,1.328,22.117-5.015,26.472-15.531l17.134-41.365C514.418,326.488,511.258,314.358,502.325,307.303z M281.292,329.698
+		c-39.68,16.436-85.172-2.407-101.607-42.087c-16.436-39.68,2.407-85.171,42.087-101.608c39.68-16.436,85.172,2.407,101.608,42.088
+		C339.815,267.771,320.972,313.262,281.292,329.698z"/>
+</g>
+</svg>

abogen/constants.py

@@ -1,4 +1,4 @@
-from utils import get_version
+from abogen.utils import get_version
 
 # Program Information
 PROGRAM_NAME = "abogen"
@@ -8,6 +8,16 @@ PROGRAM_DESCRIPTION = (
 GITHUB_URL = "https://github.com/denizsafak/abogen"
 VERSION = get_version()
 
+# Settings
+CHAPTER_OPTIONS_COUNTDOWN = 30  # Countdown seconds for chapter options
+SUBTITLE_FORMATS = [
+    ("srt", "SRT (standard)"),
+    ("ass_wide", "ASS (wide)"),
+    ("ass_narrow", "ASS (narrow)"),
+    ("ass_centered_wide", "ASS (centered wide)"),
+    ("ass_centered_narrow", "ASS (centered narrow)"),
+]
+
 # Language description mapping
 LANGUAGE_DESCRIPTIONS = {
     "a": "American English",
@@ -21,6 +31,28 @@ LANGUAGE_DESCRIPTIONS = {
     "z": "Mandarin Chinese",
 }
 
+# Supported sound formats
+SUPPORTED_SOUND_FORMATS = [
+    "wav",
+    "mp3",
+    "opus",
+    "m4b",
+    "flac",
+]
+
+# Supported subtitle formats
+SUPPORTED_SUBTITLE_FORMATS = [
+    "srt",
+    "ass",
+]
+
+# Supported input formats
+SUPPORTED_INPUT_FORMATS = [
+    "epub",
+    "pdf",
+    "txt",
+]
+
 # Supported languages for subtitle generation
 # Currently, only 'a (American English)' and 'b (British English)' are supported for subtitle generation.
 # This is because tokens that contain timestamps are not generated for other languages in the Kokoro pipeline.
@@ -102,3 +134,29 @@ SAMPLE_VOICE_TEXTS = {
     "p": "Este é um exemplo da voz selecionada.",
     "z": "这是所选语音的示例。",
 }
+
+COLORS = {
+    "BLUE": "#007dff",
+    "RED": "#c0392b",
+    "ORANGE": "#FFA500",
+    "GREEN": "#42ad4a",
+    "GREEN_BG": "rgba(66, 173, 73, 0.1)",
+    "GREEN_BG_HOVER": "rgba(66, 173, 73, 0.15)",
+    "GREEN_BORDER": "#42ad4a",
+    "BLUE_BG": "rgba(0, 102, 255, 0.05)",
+    "BLUE_BG_HOVER": "rgba(0, 102, 255, 0.1)",
+    "BLUE_BORDER_HOVER": "#6ab0de",
+    "YELLOW_BACKGROUND": "rgba(255, 221, 51, 0.40)",
+    "GREY_BACKGROUND": "rgba(128, 128, 128, 0.15)",
+    "RED_BACKGROUND": "rgba(232, 78, 60, 0.15)",
+    "RED_BG": "rgba(232, 78, 60, 0.10)",
+    "RED_BG_HOVER": "rgba(232, 78, 60, 0.15)",
+    # Theme palette colors
+    "DARK_BG": "#202326",
+    "DARK_BASE": "#141618",
+    "DARK_ALT": "#2c2f31",
+    "DARK_BUTTON": "#292c30",
+    "DARK_DISABLED": "#535353",
+    "LIGHT_BG": "#eff0f1",
+    "LIGHT_DISABLED": "#9a9999",
+}

abogen/hf_tracker.py

@@ -0,0 +1,45 @@
+log_callback = None
+show_warning_signal_emitter = None  # Renamed for clarity
+
+
+def set_log_callback(cb):
+    global log_callback
+    log_callback = cb
+
+
+def set_show_warning_signal_emitter(emitter):  # Renamed for clarity
+    global show_warning_signal_emitter
+    show_warning_signal_emitter = emitter
+
+
+from huggingface_hub import hf_hub_download
+
+
+def tracked_hf_hub_download(*args, **kwargs):
+    try:
+        local_kwargs = dict(kwargs)
+        local_kwargs["local_files_only"] = True
+        hf_hub_download(*args, **local_kwargs)
+    except Exception:
+        repo_id = kwargs.get("repo_id", "<unknown repo>")
+        filename = kwargs.get("filename", "<unknown file>")
+        if filename.endswith(".pth"):
+            msg = f"\nDownloading model '{filename}' from Hugging Face ({repo_id}). This may take a while. Please wait..."
+            if show_warning_signal_emitter:  # Check if the emitter is set
+                show_warning_signal_emitter.emit(
+                    "Downloading Model",
+                    f"Downloading model '{filename}' from Hugging Face repository '{repo_id}'. This may take a while, please wait.",
+                )
+        else:
+            msg = f"\nDownloading '{filename}' from Hugging Face ({repo_id}). Please wait..."
+        if log_callback:
+            print(msg, flush=True)
+            log_callback(msg)
+        else:
+            print(msg, flush=True)
+    return hf_hub_download(*args, **kwargs)
+
+
+import huggingface_hub
+
+huggingface_hub.hf_hub_download = tracked_hf_hub_download

abogen/is_nvidia.py

@@ -0,0 +1,22 @@
+import gpustat
+
+
+def check():
+    try:
+        stats = gpustat.new_query()
+    except Exception:
+        return False
+
+    nvidia_keywords = ["nvidia", "rtx", "gtx", "quadro", "tesla", "titan", "mx"]
+    for gpu in stats.gpus:
+        name = gpu.name.lower()
+        if any(keyword in name for keyword in nvidia_keywords):
+            return True
+    return False
+
+
+if __name__ == "__main__":
+    stats = gpustat.new_query()
+    for gpu in stats.gpus:
+        print(gpu.name)
+    print(check())

abogen/main.py

@@ -1,14 +1,73 @@
+from json import load
 import os
 import sys
 import platform
+import atexit
+import signal
+
+# Qt platform plugin detection (fixes #59)
+try:
+    from PyQt5.QtCore import QLibraryInfo
+    plugins = QLibraryInfo.location(QLibraryInfo.PluginsPath)
+    # Normalize path to use the OS-native separators and absolute path
+    platform_dir = os.path.normpath(os.path.join(plugins, "platforms"))
+    # Ensure we work with an absolute path for clarity
+    platform_dir = os.path.abspath(platform_dir)
+    if os.path.isdir(platform_dir):
+        os.environ["QT_QPA_PLATFORM_PLUGIN_PATH"] = platform_dir
+        print("QT_QPA_PLATFORM_PLUGIN_PATH set to:", platform_dir)
+    else:
+        print("PyQt5 platform plugins not found at", platform_dir)
+except ImportError:
+    print("PyQt5 not installed.")
+
+# Set application ID for Windows taskbar icon
+if platform.system() == "Windows":
+    try:
+        from abogen.constants import PROGRAM_NAME, VERSION
+        import ctypes
+        app_id = f"{PROGRAM_NAME}.{VERSION}"
+        ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(app_id)
+    except Exception as e:
+        print("Warning: failed to set AppUserModelID:", e)
+
 from PyQt5.QtWidgets import QApplication
 from PyQt5.QtGui import QIcon
+from PyQt5.QtCore import qInstallMessageHandler, QtMsgType
 
 # Add the directory to Python path
 sys.path.insert(0, os.path.join(os.path.dirname(__file__)))
-from gui import abogen
+
-from utils import get_resource_path
+from abogen.utils import get_resource_path, load_config, prevent_sleep_end
-from constants import PROGRAM_NAME, VERSION
+
+# Set Hugging Face Hub environment variables
+os.environ["HF_HUB_DISABLE_TELEMETRY"] = "1"  # Disable Hugging Face telemetry
+os.environ["HF_HUB_ETAG_TIMEOUT"] = "10"  # Metadata request timeout (seconds)
+os.environ["HF_HUB_DOWNLOAD_TIMEOUT"] = "10"  # File download timeout (seconds)
+os.environ["HF_HUB_DISABLE_SYMLINKS_WARNING"] = "1"  # Disable symlinks warning
+if load_config().get("disable_kokoro_internet", False):
+    print("INFO: Kokoro's internet access is disabled.")
+    os.environ["HF_HUB_OFFLINE"] = "1"  # Disable Hugging Face Hub internet access
+
+from abogen.gui import abogen
+from abogen.constants import PROGRAM_NAME, VERSION
+
+# Set environment variables for AMD ROCm
+os.environ["MIOPEN_FIND_MODE"] = "FAST"
+os.environ["MIOPEN_CONV_PRECISE_ROCM_TUNING"] = "0"
+
+# Reset sleep states
+atexit.register(prevent_sleep_end)
+
+
+# Also handle signals (Ctrl+C, kill, etc.)
+def _cleanup_sleep(signum, frame):
+    prevent_sleep_end()
+    sys.exit(0)
+
+
+signal.signal(signal.SIGINT, _cleanup_sleep)
+signal.signal(signal.SIGTERM, _cleanup_sleep)
 
 # Ensure sys.stdout and sys.stderr are valid in GUI mode
 if sys.stdout is None:
@@ -20,12 +79,25 @@ if sys.stderr is None:
 if platform.system() == "Darwin" and platform.processor() == "arm":
     os.environ["PYTORCH_ENABLE_MPS_FALLBACK"] = "1"
 
-# Set application ID for Windows taskbar icon
-if platform.system() == "Windows":
-    import ctypes
 
-    app_id = f"{PROGRAM_NAME}.{VERSION}"
+# Custom message handler to filter out specific Qt warnings
-    ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(app_id)
+def qt_message_handler(mode, context, message):
+    if "Wayland does not support QWindow::requestActivate()" in message:
+        return  # Suppress this specific message
+    if "setGrabPopup called with a parent, QtWaylandClient" in message:
+        return
+    if mode == QtMsgType.QtWarningMsg:
+        print(f"Qt Warning: {message}")
+    elif mode == QtMsgType.QtCriticalMsg:
+        print(f"Qt Critical: {message}")
+    elif mode == QtMsgType.QtFatalMsg:
+        print(f"Qt Fatal: {message}")
+    elif mode == QtMsgType.QtInfoMsg:
+        print(f"Qt Info: {message}")
+
+
+# Install the custom message handler
+qInstallMessageHandler(qt_message_handler)
 
 # Handle Wayland on Linux GNOME
 if platform.system() == "Linux":
@@ -48,6 +120,13 @@ def main():
     if icon_path:
         app.setWindowIcon(QIcon(icon_path))
 
+    # Set the .desktop name on Linux
+    if platform.system() == "Linux":
+        try:
+            app.setDesktopFileName("abogen.desktop")
+        except AttributeError:
+            pass
+
     ex = abogen()
     ex.show()
     sys.exit(app.exec_())

abogen/queue_manager_gui.py

@@ -0,0 +1,654 @@
+# a simple window with a list of items in the queue, no checkboxes
+# button to remove an item from the queue
+# button to clear the queue
+
+from PyQt5.QtWidgets import (
+    QDialog,
+    QVBoxLayout,
+    QHBoxLayout,
+    QDialogButtonBox,
+    QPushButton,
+    QListWidget,
+    QListWidgetItem,
+    QFileIconProvider,
+    QLabel,
+    QWidget,
+    QSizePolicy,
+)
+from PyQt5.QtCore import QFileInfo, Qt
+from abogen.constants import COLORS
+from copy import deepcopy
+from PyQt5.QtGui import QFontMetrics
+
+
+class ElidedLabel(QLabel):
+    def __init__(self, text, parent=None):
+        super().__init__(text, parent)
+        self._full_text = text
+        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
+
+    def setText(self, text):
+        self._full_text = text
+        super().setText(text)
+        self.update()
+
+    def resizeEvent(self, event):
+        metrics = QFontMetrics(self.font())
+        elided = metrics.elidedText(self._full_text, Qt.ElideRight, self.width())
+        super().setText(elided)
+        super().resizeEvent(event)
+
+    def fullText(self):
+        return self._full_text
+
+
+class QueueListItemWidget(QWidget):
+    def __init__(self, file_name, char_count):
+        super().__init__()
+        layout = QHBoxLayout()
+        layout.setContentsMargins(12, 0, 6, 0)
+        layout.setSpacing(0)
+        import os
+
+        name_label = ElidedLabel(os.path.basename(file_name))
+        char_label = QLabel(f"Chars: {char_count}")
+        char_label.setStyleSheet(f"color: {COLORS['LIGHT_DISABLED']};")
+        char_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
+        char_label.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
+        layout.addWidget(name_label, 1)
+        layout.addWidget(char_label, 0)
+        self.setLayout(layout)
+
+
+class DroppableQueueListWidget(QListWidget):
+    def __init__(self, parent_dialog):
+        super().__init__()
+        self.parent_dialog = parent_dialog
+        self.setAcceptDrops(True)
+        # Overlay for drag hover
+        self.drag_overlay = QLabel("", self)
+        self.drag_overlay.setAlignment(Qt.AlignCenter)
+        self.drag_overlay.setStyleSheet(
+            f"border:2px dashed {COLORS['BLUE_BORDER_HOVER']}; border-radius:5px; padding:20px; background:{COLORS['BLUE_BG_HOVER']};"
+        )
+        self.drag_overlay.setVisible(False)
+        self.drag_overlay.setAttribute(Qt.WA_TransparentForMouseEvents, True)
+
+    def dragEnterEvent(self, event):
+        if event.mimeData().hasUrls():
+            for url in event.mimeData().urls():
+                if url.isLocalFile() and url.toLocalFile().lower().endswith(".txt"):
+                    self.drag_overlay.resize(self.size())
+                    self.drag_overlay.setVisible(True)
+                    event.acceptProposedAction()
+                    return
+        self.drag_overlay.setVisible(False)
+        event.ignore()
+
+    def dragMoveEvent(self, event):
+        if event.mimeData().hasUrls():
+            for url in event.mimeData().urls():
+                if url.isLocalFile() and url.toLocalFile().lower().endswith(".txt"):
+                    event.acceptProposedAction()
+                    return
+        event.ignore()
+
+    def dragLeaveEvent(self, event):
+        self.drag_overlay.setVisible(False)
+        event.accept()
+
+    def dropEvent(self, event):
+        self.drag_overlay.setVisible(False)
+        if event.mimeData().hasUrls():
+            file_paths = [
+                url.toLocalFile()
+                for url in event.mimeData().urls()
+                if url.isLocalFile() and url.toLocalFile().lower().endswith(".txt")
+            ]
+            if file_paths:
+                self.parent_dialog.add_files_from_paths(file_paths)
+                event.acceptProposedAction()
+            else:
+                event.ignore()
+        else:
+            event.ignore()
+
+    def resizeEvent(self, event):
+        super().resizeEvent(event)
+        if hasattr(self, "drag_overlay"):
+            self.drag_overlay.resize(self.size())
+
+
+class QueueManager(QDialog):
+    def __init__(self, parent, queue: list, title="Queue Manager", size=(600, 700)):
+        super().__init__()
+        self.queue = queue
+        self._original_queue = deepcopy(
+            queue
+        )  # Store a deep copy of the original queue
+        self.parent = parent
+        layout = QVBoxLayout()
+        layout.setContentsMargins(15, 15, 15, 15)  # set main layout margins
+        layout.setSpacing(12)  # set spacing between widgets in main layout
+        # list of queued items
+        self.listwidget = DroppableQueueListWidget(self)
+        self.listwidget.setSelectionMode(QListWidget.ExtendedSelection)
+        self.listwidget.setAlternatingRowColors(True)
+        self.listwidget.setContextMenuPolicy(Qt.CustomContextMenu)
+        self.listwidget.customContextMenuRequested.connect(self.show_context_menu)
+        # Add informative instructions at the top
+        instructions = QLabel(
+            "<h2>How Queue Works?</h2>"
+            "You can add text files (.txt) directly using the '<b>Add files</b>' button below. "
+            "To add PDF, EPUB or markdown files, use the input box in the main window and click the <b>'Add to Queue'</b> button. "
+            "Each file in the queue keeps the configuration settings active when it was added. "
+            "Changing the main window configuration afterward <b>does not</b> affect files already in the queue. "
+            "You can view each file's configuration by hovering over them."
+        )
+        instructions.setAlignment(Qt.AlignLeft)
+        instructions.setWordWrap(True)
+        instructions.setStyleSheet("margin-bottom: 8px;")
+        layout.addWidget(instructions)
+        # Overlay label for empty queue
+        self.empty_overlay = QLabel(
+            "Drag and drop your text files here or use the 'Add files' button.",
+            self.listwidget,
+        )
+        self.empty_overlay.setAlignment(Qt.AlignCenter)
+        self.empty_overlay.setStyleSheet(
+            f"color: {COLORS['LIGHT_DISABLED']}; background: transparent; padding: 20px;"
+        )
+        self.empty_overlay.setWordWrap(True)
+        self.empty_overlay.setAttribute(Qt.WA_TransparentForMouseEvents, True)
+        self.empty_overlay.hide()
+        # add queue items to the list
+        self.process_queue()
+
+        button_row = QHBoxLayout()
+        button_row.setContentsMargins(0, 0, 0, 0)  # optional: no margins for button row
+        button_row.setSpacing(7)  # set spacing between buttons
+        # Add files button
+        add_files_button = QPushButton("Add files")
+        add_files_button.setFixedHeight(40)
+        add_files_button.clicked.connect(self.add_more_files)
+        button_row.addWidget(add_files_button)
+
+        # Remove button
+        self.remove_button = QPushButton("Remove selected")
+        self.remove_button.setFixedHeight(40)
+        self.remove_button.clicked.connect(self.remove_item)
+        button_row.addWidget(self.remove_button)
+
+        # Clear button
+        self.clear_button = QPushButton("Clear Queue")
+        self.clear_button.setFixedHeight(40)
+        self.clear_button.clicked.connect(self.clear_queue)
+        button_row.addWidget(self.clear_button)
+
+        layout.addLayout(button_row)
+        layout.addWidget(self.listwidget)
+
+        # Connect selection change to update button state
+        self.listwidget.currentItemChanged.connect(self.update_button_states)
+        self.listwidget.itemSelectionChanged.connect(self.update_button_states)
+
+        buttons = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel, self)
+        buttons.accepted.connect(self.accept)
+        buttons.rejected.connect(self.reject)
+
+        layout.addWidget(buttons)
+
+        self.setLayout(layout)
+
+        self.setWindowTitle(title)
+        self.resize(*size)
+
+        self.update_button_states()
+
+    def process_queue(self):
+        """Process the queue items."""
+        import os
+        
+        self.listwidget.clear()
+        if not self.queue:
+            self.empty_overlay.resize(self.listwidget.size())
+            self.empty_overlay.show()
+            self.update_button_states()
+            return
+        else:
+            self.empty_overlay.hide()
+        icon_provider = QFileIconProvider()
+        for item in self.queue:
+            # Determine display file path (prefer save_base_path for original file)
+            display_file_path = getattr(item, "save_base_path", None) or item.file_name
+            processing_file_path = item.file_name
+            
+            # Normalize paths for consistent display (fixes Windows path separator issues)
+            display_file_path = os.path.normpath(display_file_path) if display_file_path else display_file_path
+            processing_file_path = os.path.normpath(processing_file_path) if processing_file_path else processing_file_path
+            
+            # Only show the file name, not the full path
+            display_name = display_file_path
+
+            if os.path.sep in display_file_path:
+                display_name = os.path.basename(display_file_path)
+            # Get icon for the display file
+            icon = icon_provider.icon(QFileInfo(display_file_path))
+            list_item = QListWidgetItem()
+            # Set tooltip with detailed info
+            output_folder = getattr(item, "output_folder", "")
+            # For plain .txt inputs we don't need to show a separate processing file
+            show_processing = True
+            try:
+                if isinstance(display_file_path, str) and display_file_path.lower().endswith('.txt'):
+                    show_processing = False
+            except Exception:
+                show_processing = True
+
+            tooltip = f"<b>Input File:</b> {display_file_path}<br>"
+            if show_processing and processing_file_path and processing_file_path != display_file_path:
+                tooltip += f"<b>Processing File:</b> {processing_file_path}<br>"
+            tooltip += (
+                f"<b>Language:</b> {getattr(item, 'lang_code', '')}<br>"
+                f"<b>Speed:</b> {getattr(item, 'speed', '')}<br>"
+                f"<b>Voice:</b> {getattr(item, 'voice', '')}<br>"
+                f"<b>Save Option:</b> {getattr(item, 'save_option', '')}<br>"
+            )
+            if output_folder not in (None, "", "None"):
+                tooltip += f"<b>Output Folder:</b> {output_folder}<br>"
+            tooltip += (
+                f"<b>Subtitle Mode:</b> {getattr(item, 'subtitle_mode', '')}<br>"
+                f"<b>Output Format:</b> {getattr(item, 'output_format', '')}<br>"
+                f"<b>Characters:</b> {getattr(item, 'total_char_count', '')}<br>"
+                f"<b>Replace Single Newlines:</b> {getattr(item, 'replace_single_newlines', False)}"
+            )
+            list_item.setToolTip(tooltip)
+            list_item.setIcon(icon)
+            # Store both paths for context menu
+            list_item.setData(Qt.UserRole, {
+                'display_path': display_file_path,
+                'processing_path': processing_file_path
+            })
+            # Use custom widget for display
+            char_count = getattr(item, "total_char_count", 0)
+            widget = QueueListItemWidget(display_file_path, char_count)
+            self.listwidget.addItem(list_item)
+            self.listwidget.setItemWidget(list_item, widget)
+        self.update_button_states()
+
+    def remove_item(self):
+        items = self.listwidget.selectedItems()
+        if not items:
+            return
+        from PyQt5.QtWidgets import QMessageBox
+
+        # Remove by index to ensure correct mapping
+        rows = sorted([self.listwidget.row(item) for item in items], reverse=True)
+        # Warn user if removing multiple files
+        if len(rows) > 1:
+            reply = QMessageBox.question(
+                self,
+                "Confirm Remove",
+                f"Are you sure you want to remove {len(rows)} selected items from the queue?",
+                QMessageBox.Yes | QMessageBox.No,
+                QMessageBox.No,
+            )
+            if reply != QMessageBox.Yes:
+                return
+        for row in rows:
+            if 0 <= row < len(self.queue):
+                del self.queue[row]
+        self.process_queue()
+        self.update_button_states()
+
+    def clear_queue(self):
+        from PyQt5.QtWidgets import QMessageBox
+
+        if len(self.queue) > 1:
+            reply = QMessageBox.question(
+                self,
+                "Confirm Clear Queue",
+                f"Are you sure you want to clear {len(self.queue)} items from the queue?",
+                QMessageBox.Yes | QMessageBox.No,
+                QMessageBox.No,
+            )
+            if reply != QMessageBox.Yes:
+                return
+        self.queue.clear()
+        self.listwidget.clear()
+        self.empty_overlay.resize(
+            self.listwidget.size()
+        )  # Ensure overlay is sized correctly
+        self.empty_overlay.show()  # Show the overlay when queue is empty
+        self.update_button_states()
+
+    def get_queue(self):
+        return self.queue
+
+    def get_current_attributes(self):
+        # Fetch current attribute values from the parent abogen GUI
+        attrs = {}
+        parent = self.parent
+        if parent is not None:
+            # lang_code: use parent's get_voice_formula and get_selected_lang
+            if hasattr(parent, "get_voice_formula") and hasattr(
+                parent, "get_selected_lang"
+            ):
+                voice_formula = parent.get_voice_formula()
+                attrs["lang_code"] = parent.get_selected_lang(voice_formula)
+                attrs["voice"] = voice_formula
+            else:
+                attrs["lang_code"] = getattr(parent, "selected_lang", "")
+                attrs["voice"] = getattr(parent, "selected_voice", "")
+            # speed
+            if hasattr(parent, "speed_slider"):
+                attrs["speed"] = parent.speed_slider.value() / 100.0
+            else:
+                attrs["speed"] = getattr(parent, "speed", 1.0)
+            # save_option
+            attrs["save_option"] = getattr(parent, "save_option", "")
+            # output_folder
+            attrs["output_folder"] = getattr(parent, "selected_output_folder", "")
+            # subtitle_mode
+            if hasattr(parent, "get_actual_subtitle_mode"):
+                attrs["subtitle_mode"] = parent.get_actual_subtitle_mode()
+            else:
+                attrs["subtitle_mode"] = getattr(parent, "subtitle_mode", "")
+            # output_format
+            attrs["output_format"] = getattr(parent, "selected_format", "")
+            # total_char_count
+            attrs["total_char_count"] = getattr(parent, "char_count", "")
+            # replace_single_newlines
+            attrs["replace_single_newlines"] = getattr(
+                parent, "replace_single_newlines", False
+            )
+        else:
+            # fallback: empty values
+            attrs = {
+                k: ""
+                for k in [
+                    "lang_code",
+                    "speed",
+                    "voice",
+                    "save_option",
+                    "output_folder",
+                    "subtitle_mode",
+                    "output_format",
+                    "total_char_count",
+                    "replace_single_newlines",
+                ]
+            }
+        return attrs
+
+    def add_files_from_paths(self, file_paths):
+        from abogen.utils import calculate_text_length
+        from PyQt5.QtWidgets import QMessageBox
+        import os
+
+        current_attrs = self.get_current_attributes()
+        duplicates = []
+        for file_path in file_paths:
+
+            class QueueItem:
+                pass
+
+            item = QueueItem()
+            item.file_name = file_path
+            item.save_base_path = file_path  # For .txt files, processing and save paths are the same
+            for attr, value in current_attrs.items():
+                setattr(item, attr, value)
+            # Read file content and calculate total_char_count using calculate_text_length
+            try:
+                with open(file_path, "r", encoding="utf-8", errors="ignore") as f:
+                    file_content = f.read()
+                item.total_char_count = calculate_text_length(file_content)
+            except Exception:
+                item.total_char_count = 0
+            # Prevent adding duplicate items to the queue (check all attributes)
+            is_duplicate = False
+            for queued_item in self.queue:
+                if (
+                    getattr(queued_item, "file_name", None)
+                    == getattr(item, "file_name", None)
+                    and getattr(queued_item, "lang_code", None)
+                    == getattr(item, "lang_code", None)
+                    and getattr(queued_item, "speed", None)
+                    == getattr(item, "speed", None)
+                    and getattr(queued_item, "voice", None)
+                    == getattr(item, "voice", None)
+                    and getattr(queued_item, "save_option", None)
+                    == getattr(item, "save_option", None)
+                    and getattr(queued_item, "output_folder", None)
+                    == getattr(item, "output_folder", None)
+                    and getattr(queued_item, "subtitle_mode", None)
+                    == getattr(item, "subtitle_mode", None)
+                    and getattr(queued_item, "output_format", None)
+                    == getattr(item, "output_format", None)
+                    and getattr(queued_item, "total_char_count", None)
+                    == getattr(item, "total_char_count", None)
+                    and getattr(queued_item, "replace_single_newlines", False)
+                    == getattr(item, "replace_single_newlines", False)
+                    and getattr(queued_item, "save_base_path", None)
+                    == getattr(item, "save_base_path", None)
+                ):
+                    is_duplicate = True
+                    break
+            if is_duplicate:
+                duplicates.append(os.path.basename(file_path))
+                continue
+            self.queue.append(item)
+        if duplicates:
+            QMessageBox.warning(
+                self,
+                "Duplicate Item(s)",
+                f"Skipping {len(duplicates)} file(s) with the same attributes, already in the queue.",
+            )
+        self.process_queue()
+        self.update_button_states()
+
+    def add_more_files(self):
+        from PyQt5.QtWidgets import QFileDialog
+        from abogen.utils import calculate_text_length  # import the function
+
+        # Only allow .txt files
+        files, _ = QFileDialog.getOpenFileNames(
+            self, "Select .txt files", "", "Text Files (*.txt)"
+        )
+        if not files:
+            return
+        self.add_files_from_paths(files)
+
+    def resizeEvent(self, event):
+        super().resizeEvent(event)
+        if hasattr(self, "empty_overlay"):
+            self.empty_overlay.resize(self.listwidget.size())
+
+    def update_button_states(self):
+        # Enable Remove if at least one item is selected, else disable
+        if hasattr(self, "remove_button"):
+            selected_count = len(self.listwidget.selectedItems())
+            self.remove_button.setEnabled(selected_count > 0)
+            if selected_count > 1:
+                self.remove_button.setText(f"Remove selected ({selected_count})")
+            else:
+                self.remove_button.setText("Remove selected")
+        # Disable Clear if queue is empty
+        if hasattr(self, "clear_button"):
+            self.clear_button.setEnabled(bool(self.queue))
+
+    def show_context_menu(self, pos):
+        from PyQt5.QtWidgets import QMenu, QAction
+        from PyQt5.QtGui import QDesktopServices
+        from PyQt5.QtCore import QUrl
+        import os
+
+        global_pos = self.listwidget.viewport().mapToGlobal(pos)
+        selected_items = self.listwidget.selectedItems()
+        menu = QMenu(self)
+        if len(selected_items) == 1:
+            # Add Remove action
+            remove_action = QAction("Remove this item", self)
+            remove_action.triggered.connect(self.remove_item)
+            menu.addAction(remove_action)
+
+            # Add Open file action
+            open_file_action = QAction("Open file", self)
+
+            def open_file():
+                from PyQt5.QtWidgets import QMessageBox
+
+                item = selected_items[0]
+                paths = item.data(Qt.UserRole)
+                if isinstance(paths, dict):
+                    file_path = paths.get('display_path', paths.get('processing_path', ''))
+                else:
+                    file_path = paths  # Fallback for old format
+                
+                # Find the queue item
+                for q in self.queue:
+                    if (getattr(q, "save_base_path", None) == file_path or 
+                        q.file_name == file_path):
+                        target_path = getattr(q, "save_base_path", None) or q.file_name
+                        if not os.path.exists(target_path):
+                            QMessageBox.warning(
+                                self, "File Not Found", f"The file does not exist."
+                            )
+                            return
+                        QDesktopServices.openUrl(QUrl.fromLocalFile(target_path))
+                        break
+
+            open_file_action.triggered.connect(open_file)
+            menu.addAction(open_file_action)
+
+            # Add Go to folder action
+            # If the queued item represents a converted document (markdown, pdf, epub)
+            # show two actions: Go to processed file (the cached .txt) and Go to input file (original source)
+            item = selected_items[0]
+            paths = item.data(Qt.UserRole)
+            if isinstance(paths, dict):
+                display_path = paths.get('display_path', '')
+                processing_path = paths.get('processing_path', '')
+            else:
+                display_path = paths
+                processing_path = paths
+
+            doc_exts = ('.md', '.markdown', '.pdf', '.epub')
+            is_document_input = (
+                isinstance(display_path, str) and display_path.lower().endswith(doc_exts)
+            ) or (
+                isinstance(processing_path, str) and processing_path.lower().endswith(doc_exts)
+            )
+
+            from PyQt5.QtWidgets import QMessageBox
+
+            def open_folder_for(path_label: str):
+                # path_label should be either 'display' or 'processing'
+                p = display_path if path_label == 'display' else processing_path
+                if not p:
+                    QMessageBox.warning(self, "File Not Found", "Path is not available.")
+                    return
+                # If the stored path is the display path (original) but the actual file may be
+                # stored on the queue object differently, try to resolve via the queue entry.
+                target_path = None
+                for q in self.queue:
+                    if getattr(q, 'save_base_path', None) == display_path or q.file_name == display_path:
+                        if path_label == 'display':
+                            target_path = getattr(q, 'save_base_path', None) or q.file_name
+                        else:
+                            target_path = q.file_name
+                        break
+                    if getattr(q, 'save_base_path', None) == processing_path or q.file_name == processing_path:
+                        if path_label == 'display':
+                            target_path = getattr(q, 'save_base_path', None) or q.file_name
+                        else:
+                            target_path = q.file_name
+                        break
+                # Fallback to the raw path if resolution failed
+                if not target_path:
+                    target_path = p
+
+                if not os.path.exists(target_path):
+                    QMessageBox.warning(self, "File Not Found", f"The file does not exist: {target_path}")
+                    return
+                folder = os.path.dirname(target_path)
+                if os.path.exists(folder):
+                    QDesktopServices.openUrl(QUrl.fromLocalFile(folder))
+
+            if is_document_input:
+                processed_action = QAction("Go to processed file", self)
+                processed_action.triggered.connect(lambda: open_folder_for('processing'))
+                menu.addAction(processed_action)
+
+                input_action = QAction("Go to input file", self)
+                input_action.triggered.connect(lambda: open_folder_for('display'))
+                menu.addAction(input_action)
+            else:
+                # Default behavior for non-document inputs: single "Go to folder" action
+                go_to_folder_action = QAction("Go to folder", self)
+
+                def go_to_folder():
+                    item = selected_items[0]
+                    paths = item.data(Qt.UserRole)
+                    if isinstance(paths, dict):
+                        file_path = paths.get('display_path', paths.get('processing_path', ''))
+                    else:
+                        file_path = paths  # Fallback for old format
+                    # Find the queue item
+                    for q in self.queue:
+                        if (getattr(q, "save_base_path", None) == file_path or q.file_name == file_path):
+                            target_path = getattr(q, "save_base_path", None) or q.file_name
+                            if not os.path.exists(target_path):
+                                QMessageBox.warning(
+                                    self, "File Not Found", f"The file does not exist."
+                                )
+                                return
+                            folder = os.path.dirname(target_path)
+                            if os.path.exists(folder):
+                                QDesktopServices.openUrl(QUrl.fromLocalFile(folder))
+                            break
+
+                go_to_folder_action.triggered.connect(go_to_folder)
+                menu.addAction(go_to_folder_action)
+
+        elif len(selected_items) > 1:
+            remove_action = QAction(f"Remove selected ({len(selected_items)})", self)
+            remove_action.triggered.connect(self.remove_item)
+            menu.addAction(remove_action)
+        # Always add Clear Queue
+        clear_action = QAction("Clear Queue", self)
+        clear_action.triggered.connect(self.clear_queue)
+        menu.addAction(clear_action)
+        menu.exec_(global_pos)
+
+    def accept(self):
+        # Accept: keep changes
+        super().accept()
+
+    def reject(self):
+        # Cancel: restore original queue
+        from PyQt5.QtWidgets import QMessageBox
+
+        # Warn if user changed a lot (e.g., more than 1 items difference)
+        original_count = len(self._original_queue)
+        current_count = len(self.queue)
+        if abs(original_count - current_count) > 1:
+            reply = QMessageBox.question(
+                self,
+                "Confirm Cancel",
+                f"Are you sure you want to cancel and discard all changes?",
+                QMessageBox.Yes | QMessageBox.No,
+                QMessageBox.No,
+            )
+            if reply != QMessageBox.Yes:
+                return
+        self.queue.clear()
+        self.queue.extend(deepcopy(self._original_queue))
+        super().reject()
+
+    def keyPressEvent(self, event):
+        from PyQt5.QtCore import Qt
+
+        if event.key() == Qt.Key_Delete:
+            self.remove_item()
+        else:
+            super().keyPressEvent(event)

abogen/queued_item.py

@@ -0,0 +1,17 @@
+# represents a queued item - book, chapters, voice, etc.
+from dataclasses import dataclass
+
+
+@dataclass
+class QueuedItem:
+    file_name: str
+    lang_code: str
+    speed: float
+    voice: str
+    save_option: str
+    output_folder: str
+    subtitle_mode: str
+    output_format: str
+    total_char_count: int
+    replace_single_newlines: bool = False
+    save_base_path: str = None

abogen/utils.py

@@ -3,15 +3,31 @@ import sys
 import json
 import warnings
 import platform
+import shutil
 import subprocess
 import re
 from threading import Thread
 
-# suppress warnings and disable HF hub symlink warnings
-os.environ["HF_HUB_DISABLE_SYMLINKS_WARNING"] = "1"
 warnings.filterwarnings("ignore")
 
 
+def detect_encoding(file_path):
+    import chardet
+    import charset_normalizer
+    with open(file_path, "rb") as f:
+        raw_data = f.read()
+    detected_encoding = None
+    for detectors in (charset_normalizer, chardet):
+        try:
+            result = detectors.detect(raw_data)["encoding"]
+        except Exception:
+            continue
+        if result is not None:
+            detected_encoding = result
+            break
+    encoding = detected_encoding if detected_encoding else "utf-8"
+    return encoding.lower()
+
 def get_resource_path(package, resource):
     """
     Get the path to a resource file, with fallback to local file system.
@@ -76,15 +92,32 @@ def get_user_config_path():
         if os.path.exists(custom_dir):
             config_dir = custom_dir
         else:
-            config_dir = user_config_dir("abogen", appauthor=False, roaming=True)
+            config_dir = user_config_dir(
+                "abogen", appauthor=False, roaming=True, ensure_exists=True
+            )
     else:
         # Windows and fallback case
-        config_dir = user_config_dir("abogen", appauthor=False, roaming=True)
+        config_dir = user_config_dir(
+            "abogen", appauthor=False, roaming=True, ensure_exists=True
+        )
 
-    os.makedirs(config_dir, exist_ok=True)
     return os.path.join(config_dir, "config.json")
 
 
+# Define cache path
+def get_user_cache_path(folder=None):
+    from platformdirs import user_cache_dir
+
+    cache_dir = user_cache_dir(
+        "abogen", appauthor=False, opinion=True, ensure_exists=True
+    )
+    if folder:
+        cache_dir = os.path.join(cache_dir, folder)
+        # Ensure the directory exists
+        os.makedirs(cache_dir, exist_ok=True)
+    return cache_dir
+
+
 _sleep_procs = {"Darwin": None, "Linux": None}  # Store sleep prevention processes
 
 
@@ -105,19 +138,21 @@ def clean_text(text, *args, **kwargs):
 
 default_encoding = sys.getfilesystemencoding()
 
-def create_process(cmd, stdin=None, text=True):
+
+def create_process(cmd, stdin=None, text=True, capture_output=False):
     import logging
+
     logger = logging.getLogger(__name__)
-    
+
     # Configure root logger to output to console if not already configured
     root = logging.getLogger()
     if not root.handlers:
         handler = logging.StreamHandler(sys.stdout)
-        formatter = logging.Formatter('%(message)s')
+        formatter = logging.Formatter("%(message)s")
         handler.setFormatter(formatter)
         root.addHandler(handler)
         root.setLevel(logging.INFO)
-    
+
     # Determine shell usage: use shell only for string commands
     use_shell = isinstance(cmd, str)
     kwargs = {
@@ -151,11 +186,12 @@ def create_process(cmd, stdin=None, text=True):
 
     # Print the command being executed
     print(f"Executing: {cmd if isinstance(cmd, str) else ' '.join(cmd)}")
-    
+
     proc = subprocess.Popen(cmd, **kwargs)
-    
+
-    # Stream output to console in real-time
+    # Stream output to console in real-time if not capturing
-    if proc.stdout:
+    if proc.stdout and not capture_output:
+
         def _stream_output(stream):
             if text:
                 # For text mode, read character by character for real-time output
@@ -174,12 +210,14 @@ def create_process(cmd, stdin=None, text=True):
                         break
                     try:
                         # Try to decode binary data for display
-                        sys.stdout.write(chunk.decode(default_encoding, errors='replace'))
+                        sys.stdout.write(
+                            chunk.decode(default_encoding, errors="replace")
+                        )
                         sys.stdout.flush()
                     except Exception:
                         pass
             stream.close()
-        
+
         # Start a daemon thread to handle output streaming
         Thread(target=_stream_output, args=(proc.stdout,), daemon=True).start()
 
@@ -204,45 +242,86 @@ def save_config(config):
 
 def calculate_text_length(text):
     # Ignore chapter markers
-    text_no_markers = re.sub(r"<<CHAPTER_MARKER:.*?>>", "", text)
+    text = re.sub(r"<<CHAPTER_MARKER:.*?>>", "", text)
+    # Ignore metadata patterns
+    text = re.sub(r"<<METADATA_[^:]+:[^>]*>>", "", text)
     # Ignore newlines
-    cleaned_text = text_no_markers.replace("\n", "")
+    text = text.replace("\n", "")
+    # Ignore leading/trailing spaces
+    text = text.strip()
     # Calculate character count
-    char_count = len(cleaned_text)
+    char_count = len(text)
     return char_count
 
 
 def get_gpu_acceleration(enabled):
-    from torch.cuda import is_available
+    try:
+        import torch
+        from torch.cuda import is_available as cuda_available
 
-    if not enabled:
+        if not enabled:
-        return "CUDA GPU available but using CPU.", False
+            return "GPU available but using CPU.", False
-
+        
-    if is_available():
+        # Check for Apple Silicon MPS
-        return "CUDA GPU available and enabled.", True
+        if platform.system() == "Darwin" and platform.processor() == "arm":
-    return "CUDA GPU is not available. Using CPU.", False
+            if torch.backends.mps.is_available():
+                return "MPS GPU available and enabled.", True
+            else:
+                return "MPS GPU not available on Apple Silicon. Using CPU.", False
+        
+        # Check for CUDA
+        if cuda_available():
+            return "CUDA GPU available and enabled.", True
+        
+        # Gather CUDA diagnostic info if not available
+        try:
+            cuda_devices = torch.cuda.device_count()
+            cuda_error = (
+                torch.cuda.get_device_name(0)
+                if cuda_devices > 0
+                else "No devices found"
+            )
+        except Exception as e:
+            cuda_error = str(e)
+        return f"CUDA GPU is not available. Using CPU. ({cuda_error})", False
+    except Exception as e:
+        return f"Error checking GPU: {e}", False
 
 
 def prevent_sleep_start():
+    from abogen.constants import PROGRAM_NAME
+
     system = platform.system()
     if system == "Windows":
         import ctypes
 
         ctypes.windll.kernel32.SetThreadExecutionState(
             0x80000000 | 0x00000001 | 0x00000040
-        )  # ES_CONTINUOUS | ES_SYSTEM_REQUIRED | ES_AWAYMODE_REQUIRED
+        )
     elif system == "Darwin":
-        _sleep_procs["Darwin"] = create_process("caffeinate")
+        _sleep_procs["Darwin"] = create_process(["caffeinate"])
     elif system == "Linux":
-        try:
+        # Add program name and reason for inhibition
+        program_name = PROGRAM_NAME
+        reason = "Prevent sleep during abogen process"
+        # Only attempt to use systemd-inhibit if it's available on the system.
+        if shutil.which("systemd-inhibit"):
             _sleep_procs["Linux"] = create_process(
-                "systemd-inhibit --what=sleep --why=TextToAudiobook conversion sleep 999999"
+                [
+                    "systemd-inhibit",
+                    f"--who={program_name}",
+                    f"--why={reason}",
+                    "--what=sleep",
+                    "--mode=block",
+                    "sleep",
+                    "infinity",
+                ]
+            )
+        else:
+            # Non-systemd distro or systemd tools not installed: skip inhibition rather than crash
+            print(
+                "systemd-inhibit not found: skipping sleep inhibition on this Linux system."
             )
-        except Exception:
-            try:
-                create_process("xdg-screensaver reset")
-            except Exception:
-                pass
 
 
 def prevent_sleep_end():

abogen/voice_formula_gui.py

@@ -24,16 +24,20 @@ from PyQt5.QtWidgets import (
     QMenu,
     QAction,
     QComboBox,
+    QApplication,
 )
 from PyQt5.QtCore import Qt, QTimer, QPoint, QRect, QSize
-from PyQt5.QtGui import QPixmap, QIcon, QColor
+from PyQt5.QtGui import QPixmap, QIcon
-from constants import (
+from abogen.constants import (
     VOICES_INTERNAL,
     SUPPORTED_LANGUAGES_FOR_SUBTITLE_GENERATION,
     LANGUAGE_DESCRIPTIONS,
+    COLORS,
 )
-from utils import get_resource_path
+import re
-from voice_profiles import (
+import platform
+from abogen.utils import get_resource_path
+from abogen.voice_profiles import (
     load_profiles,
     save_profiles,
     delete_profile,
@@ -221,6 +225,21 @@ class VoiceMixer(QWidget):
         self.slider.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding)
         self.slider.setFixedWidth(SLIDER_WIDTH)
 
+        # Fix slider in Windows
+        if platform.system() == "Windows":
+            appstyle = QApplication.instance().style().objectName().lower()
+            if appstyle != "windowsvista":
+                # Set custom groove color for disabled state using COLORS["GREY_BACKGROUND"]
+                self.slider.setStyleSheet(
+                    f"""
+                    QSlider::groove:vertical:disabled {{
+                        background: {COLORS.get("GREY_BACKGROUND")};
+                        width: 4px;
+                        border-radius: 4px;
+                    }}
+                """
+                )
+
         # Connect controls
         self.slider.valueChanged.connect(lambda val: self.spin_box.setValue(val / 100))
         self.spin_box.valueChanged.connect(
@@ -264,18 +283,16 @@ class HoverLabel(QLabel):
         self.voice_name = voice_name
         self.setMouseTracking(True)
         self.setStyleSheet(
-            "background-color: #e0e0e0; border-radius: 4px; padding: 3px 6px 3px 6px; margin: 2px;"
+            "background-color: rgba(140, 140, 140, 0.15); border-radius: 4px; padding: 3px 6px 3px 6px; margin: 2px;"
         )
 
         # Create delete button
         self.delete_button = QPushButton("×", self)
         self.delete_button.setFixedSize(16, 16)
-        self.delete_button = QPushButton("×", self)
-        self.delete_button.setFixedSize(16, 16)
         self.delete_button.setStyleSheet(
-            """
+            f"""
-            QPushButton {
+            QPushButton {{
-                background-color: #ff5555;
+                background-color: {COLORS.get("RED")};
                 color: white;
                 border-radius: 7px;
                 font-weight: bold;
@@ -283,11 +300,11 @@ class HoverLabel(QLabel):
                 border: none;
                 padding: 0px;
                 margin: 0px;
-            }
+            }}
-            QPushButton:hover {
+            QPushButton:hover {{
                 background-color: red;
-            }
+            }}
-        """
+            """
         )
         # Make sure the entire button is clickable, not just the text
         self.delete_button.setFocusPolicy(Qt.NoFocus)
@@ -310,6 +327,14 @@ class HoverLabel(QLabel):
 class VoiceFormulaDialog(QDialog):
     def __init__(self, parent=None, initial_state=None, selected_profile=None):
         super().__init__(parent)
+        # Store original profile/mix state for restoration on cancel
+        self._original_profile_name = None
+        self._original_mixed_voice_state = None
+        if parent is not None:
+            self._original_profile_name = getattr(parent, "selected_profile_name", None)
+            self._original_mixed_voice_state = getattr(
+                parent, "mixed_voice_state", None
+            )
         profiles = load_profiles()
         self._virtual_new_profile = False
         if not profiles:
@@ -346,6 +371,11 @@ class VoiceFormulaDialog(QDialog):
         profile_layout.addLayout(header_layout)
         # Profile list
         self.profile_list = QListWidget()
+        self.profile_list.setSelectionMode(QListWidget.SingleSelection)
+        self.profile_list.setSelectionBehavior(QListWidget.SelectRows)
+        self.profile_list.setStyleSheet(
+            "QListWidget::item:selected { background: palette(highlight); color: palette(highlighted-text); }"
+        )
         icon = QIcon(get_resource_path("abogen.assets", "profile.png"))
         if self._virtual_new_profile:
             item = QListWidgetItem(icon, "New profile")
@@ -734,7 +764,7 @@ class VoiceFormulaDialog(QDialog):
                 percentage = weight / total * 100
                 # Make the voice name bold and include percentage
                 voice_label = HoverLabel(
-                    f'<b><span style="color:#1976d2">{name}: {percentage:.1f}%</span></b>',
+                    f'<b><span style="color:{COLORS.get("BLUE")}">{name}: {percentage:.1f}%</span></b>',
                     name,
                 )
                 voice_label.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
@@ -916,6 +946,13 @@ class VoiceFormulaDialog(QDialog):
         super().accept()
 
     def reject(self):
+        # Restore parent's profile/mix state on cancel
+        parent = self.parent()
+        if parent is not None:
+            if hasattr(self, "_original_profile_name"):
+                parent.selected_profile_name = self._original_profile_name
+            if hasattr(self, "_original_mixed_voice_state"):
+                parent.mixed_voice_state = self._original_mixed_voice_state
         # Prompt to save if unsaved changes, then check for zero-weight error after save
         if self._has_unsaved_changes():
             if not self._prompt_save_changes():
@@ -925,6 +962,13 @@ class VoiceFormulaDialog(QDialog):
         super().reject()
 
     def closeEvent(self, event):
+        # Restore parent's profile/mix state on close
+        parent = self.parent()
+        if parent is not None:
+            if hasattr(self, "_original_profile_name"):
+                parent.selected_profile_name = self._original_profile_name
+            if hasattr(self, "_original_mixed_voice_state"):
+                parent.mixed_voice_state = self._original_mixed_voice_state
         # Prompt to save if unsaved changes, then check for zero-weight error after save
         if self._has_unsaved_changes():
             if not self._prompt_save_changes():
@@ -935,6 +979,19 @@ class VoiceFormulaDialog(QDialog):
             return
         super().closeEvent(event)
 
+    def _parse_rgba_to_qcolor(self, rgba_str):
+        from PyQt5.QtCore import Qt
+        from PyQt5.QtGui import QColor
+
+        """Helper to convert 'rgba(R,G,B,A_float)' string to QColor."""
+        match = re.match(r"rgba\((\d+),\s*(\d+),\s*(\d+),\s*([\d.]+)\)", rgba_str)
+        if match:
+            r, g, b = int(match.group(1)), int(match.group(2)), int(match.group(3))
+            a_float = float(match.group(4))
+            a_int = int(a_float * 255)
+            return QColor(r, g, b, a_int)
+        return Qt.GlobalColor.transparent
+
     def mark_profile_modified(self):
         item = self.profile_list.currentItem()
         if item and not item.text().startswith("*"):
@@ -1034,7 +1091,7 @@ class VoiceFormulaDialog(QDialog):
             self, "Import Profiles", "", "JSON Files (*.json)"
         )
         if path:
-            from voice_profiles import load_profiles, save_profiles
+            from abogen.voice_profiles import load_profiles, save_profiles
 
             # Try to read the file and count profiles
             try:
@@ -1321,17 +1378,23 @@ class VoiceFormulaDialog(QDialog):
                 self.profile_list.setItemWidget(item, widget)
 
     def update_profile_list_colors(self):
+        from PyQt5.QtCore import Qt
+
         profiles = load_profiles()
         for i in range(self.profile_list.count()):
             item = self.profile_list.item(i)
             name = item.text().lstrip("*")
             if self._virtual_new_profile and name == "New profile":
-                item.setBackground(QColor("#fff59d"))  # yellow
+                color = self._parse_rgba_to_qcolor(COLORS.get("YELLOW_BACKGROUND"))
+                item.setData(Qt.BackgroundRole, color)
             elif item.text().startswith("*"):
-                item.setBackground(QColor("#fff59d"))  # yellow
+                color = self._parse_rgba_to_qcolor(COLORS.get("YELLOW_BACKGROUND"))
+                item.setData(Qt.BackgroundRole, color)
             else:
+                item.setData(
+                    Qt.BackgroundRole, self.profile_list.palette().base().color()
+                )
                 weights = profiles.get(name, {}).get("voices", [])
-                # Defensive: only sum if weights is a list of (voice, weight) pairs
                 total = 0
                 if isinstance(weights, list):
                     for entry in weights:
@@ -1342,9 +1405,8 @@ class VoiceFormulaDialog(QDialog):
                         ):
                             total += entry[1]
                 if total == 0:
-                    item.setBackground(QColor("#ffcdd2"))  # light red
+                    color = self._parse_rgba_to_qcolor(COLORS.get("RED_BACKGROUND"))
-                else:
+                    item.setData(Qt.BackgroundRole, color)
-                    item.setBackground(QColor("white"))
         self.update_profile_save_buttons()
 
     def preview_current_mix(self):

abogen/voice_formulas.py

@@ -1,5 +1,5 @@
 import re
-from constants import VOICES_INTERNAL
+from abogen.constants import VOICES_INTERNAL
 
 
 # Calls parsing and loads the voice to gpu or cpu

abogen/voice_profiles.py

@@ -1,6 +1,6 @@
 import os
 import json
-from utils import get_user_config_path
+from abogen.utils import get_user_config_path
 
 
 def _get_profiles_path():

demo/README.md

@@ -7,9 +7,10 @@ https://github.com/user-attachments/assets/9e4fc237-a3cd-46bd-b82c-c608336d6411
 ### What You Need
 
 - A background image (bg.jpg)
-- The subtitle file (.srt) **(created by Abogen)**
+- The subtitle file (.ass) **(created by Abogen)**
+    - Select `ass(centered narrow)` as subtitle format in settings.
 - The audio recording (.wav) **(created by Abogen)**
-- [Python](https://www.python.org/downloads/) and FFmpeg installed on your computer:
+- FFmpeg installed on your computer:
 
 ```bash
 # Windows
@@ -22,30 +23,22 @@ brew install ffmpeg
 sudo apt install ffmpeg
 ```
 
-### Step 1: Process the Subtitle File
+## Create the Video (.mp4) (Recommended)
 
-Run this command to process Abogen's subtitle file:
+Run this FFmpeg command to create the video:
 
 ```
-python convert.py your_subtitle.srt
+ffmpeg -loop 1 -framerate 24 -i bg.jpg -i demo.wav -vf "ass=demo.ass" -c:v libx264 -pix_fmt yuv420p -preset slow -crf 18 -c:a aac -b:a 192k -movflags +faststart -shortest demo.mp4
 ```
 
-This creates a properly formatted subtitle file called "your_subtitle_demo.ass" with centered text and appropriate styling.
+## For Smaller Filesize (.webm)
 
-### Step 2: Create the Video (.webm)
+If you need a smaller video file, use this command:
-
-Run this FFmpeg command to create the tiny video:
 
 ```
-ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=your_subtitle_demo.ass" -c:v libvpx-vp9 -b:v 0 -crf 30 -c:a libopus -shortest demo.webm
+ffmpeg -loop 1 -framerate 24 -i bg.jpg -i demo.wav -vf "ass=demo.ass" -c:v libvpx-vp9 -b:v 0 -crf 30 -c:a libopus -shortest demo.webm
 ```
 
-## For Higher Quality (But Larger) Video (.mp4)
 
-If you need better quality for distribution, use this command instead:
 
-```
-ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=your_subtitle_demo.ass" -c:v libx264 -preset slow -crf 18 -movflags +faststart -c:a copy -shortest demo.mp4
-```
 
-This creates an MP4 file that's compatible with more devices but larger in size.

demo/convert.py

@@ -1,220 +0,0 @@
-# FFmpeg commands for creating videos:
-#
-# For WebM (smaller filesize):
-# ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=your_subtitle_demo.ass" -c:v libvpx-vp9 -b:v 0 -crf 30 -c:a libopus -shortest demo.webm
-#
-# For MP4 (higher quality):
-# ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=your_subtitle_demo.ass" -c:v libx264 -preset slow -crf 18 -movflags +faststart -c:a copy -shortest demo.mp4
-#
-# Note: Replace 'audio.wav' with your audio file and 'your_subtitle_demo.ass' with your processed subtitle file
-
-
-import re
-import sys
-from datetime import timedelta
-
-
-def parse_time(s):
-    # For ASS format
-    if ":" in s and "." in s:
-        h, m, s = s.split(":")
-        sec, cs = s.split(".")
-        return timedelta(
-            hours=int(h), minutes=int(m), seconds=int(sec), milliseconds=int(cs) * 10
-        )
-    # For SRT format (00:00:00,000)
-    elif ":" in s and "," in s:
-        parts = s.split(":")
-        h = int(parts[0])
-        m = int(parts[1])
-        sec_parts = parts[2].split(",")
-        sec = int(sec_parts[0])
-        ms = int(sec_parts[1])
-        return timedelta(hours=h, minutes=m, seconds=sec, milliseconds=ms)
-    return None
-
-
-def format_time(t):
-    total_seconds = int(t.total_seconds())
-    cs = int((t.total_seconds() - total_seconds) * 100)
-    h = total_seconds // 3600
-    m = (total_seconds % 3600) // 60
-    s = total_seconds % 60
-    return f"{h}:{m:02}:{s:02}.{cs:02}"
-
-
-# Desired script info and style
-DESIRED_SCRIPT_INFO = """[Script Info]
-Title: Centered Subs
-ScriptType: v4.00+
-PlayResX: 1280
-PlayResY: 720
-"""
-
-DESIRED_STYLE = """[V4+ Styles]
-Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
-Style: Default,Arial,60,&H00FFFFFF,&H000000FF,&H00000000,&H64000000,-1,0,0,0,100,100,0,0,1,2,0,5,10,10,10,1
-"""
-
-
-def process_subtitle_file(input_file):
-    output_file = input_file.replace(".ass", "_demo.ass").replace(".srt", "_demo.ass")
-    if output_file == input_file:
-        output_file = f"{input_file}_demo.ass"
-
-    try:
-        with open(input_file, "r", encoding="utf-8") as f:
-            lines = f.readlines()
-    except FileNotFoundError:
-        print(f"❌ Error: Input file '{input_file}' not found")
-        sys.exit(1)
-    except Exception as e:
-        print(f"❌ Error reading file: {e}")
-        sys.exit(1)
-
-    # Check if it's an SRT file
-    is_srt = input_file.lower().endswith(".srt")
-
-    if is_srt:
-        return convert_srt_to_ass(input_file, output_file, lines)
-
-    # Process ASS file
-    header = []
-    events = []
-    in_events = False
-    script_info_found = False
-    styles_found = False
-
-    for line in lines:
-        if line.strip().startswith("[Script Info]"):
-            script_info_found = True
-            header.append(DESIRED_SCRIPT_INFO)
-            continue
-        elif line.strip().startswith("[V4+ Styles]"):
-            styles_found = True
-            header.append(DESIRED_STYLE)
-            continue
-        elif line.strip().startswith("[Events]"):
-            in_events = True
-            header.append(line)
-        elif not in_events:
-            if not script_info_found and not styles_found:
-                header.append(line)
-        else:
-            if line.startswith("Dialogue:"):
-                events.append(line)
-            else:
-                header.append(line)
-
-    parsed_events = []
-    for line in events:
-        match = re.match(r"Dialogue: \d,([^,]+),([^,]+),", line)
-        if not match:
-            parsed_events.append((None, None, line))
-            continue
-        start = parse_time(match.group(1))
-        end = parse_time(match.group(2))
-        parsed_events.append((start, end, line))
-
-    # Cut overlaps
-    fixed_lines = []
-    for i in range(len(parsed_events)):
-        start, end, line = parsed_events[i]
-        if start is None:
-            fixed_lines.append(line)
-            continue
-
-        # Check for next subtitle
-        if i + 1 < len(parsed_events):
-            next_start, _, _ = parsed_events[i + 1]
-            if end > next_start:
-                end = next_start  # cut current subtitle to stop at next one's start
-
-        fixed_line = re.sub(
-            r"Dialogue: \d,[^,]+,[^,]+,",
-            f"Dialogue: 0,{format_time(start)},{format_time(end)},",
-            line,
-            count=1,
-        )
-        fixed_lines.append(fixed_line)
-
-    try:
-        with open(output_file, "w", encoding="utf-8") as f:
-            f.writelines(header)
-            f.writelines(fixed_lines)
-        print(f"✅ Successfully processed. Output file: {output_file}")
-    except Exception as e:
-        print(f"❌ Error writing output file: {e}")
-        sys.exit(1)
-
-
-def convert_srt_to_ass(input_file, output_file, lines):
-    """Convert SRT format to ASS format."""
-    events = []
-    subtitle_blocks = []
-    current_block = []
-
-    # Parse SRT file
-    for line in lines:
-        line = line.strip()
-        if not line:
-            if current_block:
-                subtitle_blocks.append(current_block)
-                current_block = []
-        else:
-            current_block.append(line)
-
-    # Don't forget the last block
-    if current_block:
-        subtitle_blocks.append(current_block)
-
-    # Process subtitle blocks
-    for block in subtitle_blocks:
-        if len(block) < 3:
-            continue  # Invalid block
-
-        # Skip the subtitle number
-        timing_line = block[1]
-
-        # Parse timing information
-        timing_match = re.match(
-            r"(\d+:\d+:\d+,\d+)\s+-->\s+(\d+:\d+:\d+,\d+)", timing_line
-        )
-        if not timing_match:
-            continue
-
-        start_time = parse_time(timing_match.group(1))
-        end_time = parse_time(timing_match.group(2))
-
-        # Combine text lines
-        text = "\\N".join(block[2:])
-
-        # Create ASS Dialogue line
-        dialogue_line = f"Dialogue: 0,{format_time(start_time)},{format_time(end_time)},Default,,0,0,0,,{text}\n"
-        events.append(dialogue_line)
-
-    # Create ASS file
-    try:
-        with open(output_file, "w", encoding="utf-8") as f:
-            f.write(DESIRED_SCRIPT_INFO)
-            f.write(DESIRED_STYLE)
-            f.write("[Events]\n")
-            f.write(
-                "Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text\n"
-            )
-            f.writelines(events)
-        print(f"✅ Successfully converted SRT to ASS. Output file: {output_file}")
-        return True
-    except Exception as e:
-        print(f"❌ Error writing output file: {e}")
-        sys.exit(1)
-
-
-if __name__ == "__main__":
-    if len(sys.argv) < 2:
-        print("❌ Error: No input file specified")
-        print(f"Usage: {sys.argv[0]} <input_file.ass|input_file.srt>")
-        sys.exit(1)
-
-    input_file = sys.argv[1]
-    process_subtitle_file(input_file)

demo/demo.ass

@@ -0,0 +1,130 @@
+[Script Info]
+Title: Generated by Abogen
+ScriptType: v4.00+
+
+[Events]
+Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
+Dialogue: 0,0:00:00.35,0:00:00.93,Default,,90,90,0,,{\an5}Abogen
+Dialogue: 0,0:00:00.93,0:00:01.07,Default,,90,90,0,,{\an5}is
+Dialogue: 0,0:00:01.07,0:00:01.27,Default,,90,90,0,,{\an5}your
+Dialogue: 0,0:00:01.27,0:00:01.86,Default,,90,90,0,,{\an5}all-in-one
+Dialogue: 0,0:00:01.86,0:00:02.22,Default,,90,90,0,,{\an5}tool
+Dialogue: 0,0:00:02.22,0:00:02.35,Default,,90,90,0,,{\an5}for
+Dialogue: 0,0:00:02.35,0:00:02.73,Default,,90,90,0,,{\an5}turning
+Dialogue: 0,0:00:02.73,0:00:03.13,Default,,90,90,0,,{\an5}text
+Dialogue: 0,0:00:03.13,0:00:03.35,Default,,90,90,0,,{\an5}into
+Dialogue: 0,0:00:03.35,0:00:03.70,Default,,90,90,0,,{\an5}something
+Dialogue: 0,0:00:03.70,0:00:03.79,Default,,90,90,0,,{\an5}you
+Dialogue: 0,0:00:03.79,0:00:03.98,Default,,90,90,0,,{\an5}can
+Dialogue: 0,0:00:03.98,0:00:04.25,Default,,90,90,0,,{\an5}see
+Dialogue: 0,0:00:04.25,0:00:04.37,Default,,90,90,0,,{\an5}and
+Dialogue: 0,0:00:04.37,0:00:05.37,Default,,90,90,0,,{\an5}hear.
+Dialogue: 0,0:00:05.37,0:00:05.79,Default,,90,90,0,,{\an5}Easily
+Dialogue: 0,0:00:05.79,0:00:06.23,Default,,90,90,0,,{\an5}convert
+Dialogue: 0,0:00:06.23,0:00:07.11,Default,,90,90,0,,{\an5}ePub,
+Dialogue: 0,0:00:07.11,0:00:08.17,Default,,90,90,0,,{\an5}PDF,
+Dialogue: 0,0:00:08.17,0:00:08.33,Default,,90,90,0,,{\an5}or
+Dialogue: 0,0:00:08.33,0:00:08.67,Default,,90,90,0,,{\an5}text
+Dialogue: 0,0:00:08.67,0:00:08.98,Default,,90,90,0,,{\an5}file
+Dialogue: 0,0:00:08.98,0:00:09.23,Default,,90,90,0,,{\an5}into
+Dialogue: 0,0:00:09.23,0:00:09.91,Default,,90,90,0,,{\an5}audio
+Dialogue: 0,0:00:09.91,0:00:10.09,Default,,90,90,0,,{\an5}with
+Dialogue: 0,0:00:10.09,0:00:10.69,Default,,90,90,0,,{\an5}subtitles
+Dialogue: 0,0:00:10.69,0:00:10.87,Default,,90,90,0,,{\an5}that
+Dialogue: 0,0:00:10.87,0:00:11.06,Default,,90,90,0,,{\an5}light
+Dialogue: 0,0:00:11.06,0:00:11.26,Default,,90,90,0,,{\an5}up
+Dialogue: 0,0:00:11.26,0:00:11.59,Default,,90,90,0,,{\an5}every
+Dialogue: 0,0:00:11.59,0:00:11.90,Default,,90,90,0,,{\an5}word
+Dialogue: 0,0:00:11.90,0:00:12.02,Default,,90,90,0,,{\an5}as
+Dialogue: 0,0:00:12.02,0:00:12.17,Default,,90,90,0,,{\an5}it’s
+Dialogue: 0,0:00:12.17,0:00:13.46,Default,,90,90,0,,{\an5}spoken.
+Dialogue: 0,0:00:13.46,0:00:13.59,Default,,90,90,0,,{\an5}The
+Dialogue: 0,0:00:13.59,0:00:13.92,Default,,90,90,0,,{\an5}voice
+Dialogue: 0,0:00:13.92,0:00:14.07,Default,,90,90,0,,{\an5}you
+Dialogue: 0,0:00:14.07,0:00:14.86,Default,,90,90,0,,{\an5}hear,
+Dialogue: 0,0:00:14.86,0:00:14.98,Default,,90,90,0,,{\an5}and
+Dialogue: 0,0:00:14.98,0:00:15.08,Default,,90,90,0,,{\an5}the
+Dialogue: 0,0:00:15.08,0:00:15.67,Default,,90,90,0,,{\an5}subtitles
+Dialogue: 0,0:00:15.67,0:00:15.81,Default,,90,90,0,,{\an5}you
+Dialogue: 0,0:00:15.81,0:00:16.13,Default,,90,90,0,,{\an5}see
+Dialogue: 0,0:00:16.13,0:00:16.27,Default,,90,90,0,,{\an5}are
+Dialogue: 0,0:00:16.27,0:00:16.57,Default,,90,90,0,,{\an5}both
+Dialogue: 0,0:00:16.57,0:00:17.03,Default,,90,90,0,,{\an5}created
+Dialogue: 0,0:00:17.03,0:00:17.96,Default,,90,90,0,,{\an5}automatically
+Dialogue: 0,0:00:17.96,0:00:18.14,Default,,90,90,0,,{\an5}by
+Dialogue: 0,0:00:18.14,0:00:18.67,Default,,90,90,0,,{\an5}Abogen
+Dialogue: 0,0:00:18.67,0:00:19.02,Default,,90,90,0,,{\an5}using
+Dialogue: 0,0:00:19.02,0:00:20.10,Default,,90,90,0,,{\an5}Kokoro,
+Dialogue: 0,0:00:20.10,0:00:20.27,Default,,90,90,0,,{\an5}an
+Dialogue: 0,0:00:20.27,0:00:20.88,Default,,90,90,0,,{\an5}open-weight
+Dialogue: 0,0:00:20.88,0:00:21.55,Default,,90,90,0,,{\an5}TTS
+Dialogue: 0,0:00:21.55,0:00:21.94,Default,,90,90,0,,{\an5}model
+Dialogue: 0,0:00:21.94,0:00:22.14,Default,,90,90,0,,{\an5}with
+Dialogue: 0,0:00:22.14,0:00:22.78,Default,,90,90,0,,{\an5}82
+Dialogue: 0,0:00:22.78,0:00:23.14,Default,,90,90,0,,{\an5}million
+Dialogue: 0,0:00:23.14,0:00:24.55,Default,,90,90,0,,{\an5}parameters.
+Dialogue: 0,0:00:24.55,0:00:25.05,Default,,90,90,0,,{\an5}Everything
+Dialogue: 0,0:00:25.05,0:00:25.35,Default,,90,90,0,,{\an5}works
+Dialogue: 0,0:00:25.35,0:00:25.58,Default,,90,90,0,,{\an5}right
+Dialogue: 0,0:00:25.58,0:00:25.68,Default,,90,90,0,,{\an5}on
+Dialogue: 0,0:00:25.68,0:00:25.80,Default,,90,90,0,,{\an5}your
+Dialogue: 0,0:00:25.80,0:00:26.69,Default,,90,90,0,,{\an5}computer,
+Dialogue: 0,0:00:26.69,0:00:26.87,Default,,90,90,0,,{\an5}so
+Dialogue: 0,0:00:26.87,0:00:27.06,Default,,90,90,0,,{\an5}your
+Dialogue: 0,0:00:27.06,0:00:27.47,Default,,90,90,0,,{\an5}files
+Dialogue: 0,0:00:27.47,0:00:27.73,Default,,90,90,0,,{\an5}stay
+Dialogue: 0,0:00:27.73,0:00:28.28,Default,,90,90,0,,{\an5}private
+Dialogue: 0,0:00:28.28,0:00:28.44,Default,,90,90,0,,{\an5}and
+Dialogue: 0,0:00:28.44,0:00:29.51,Default,,90,90,0,,{\an5}secure.
+Dialogue: 0,0:00:29.90,0:00:30.03,Default,,90,90,0,,{\an5}The
+Dialogue: 0,0:00:30.03,0:00:30.37,Default,,90,90,0,,{\an5}easy
+Dialogue: 0,0:00:30.37,0:00:30.95,Default,,90,90,0,,{\an5}interface
+Dialogue: 0,0:00:30.95,0:00:31.23,Default,,90,90,0,,{\an5}lets
+Dialogue: 0,0:00:31.23,0:00:31.71,Default,,90,90,0,,{\an5}anyone
+Dialogue: 0,0:00:31.71,0:00:32.13,Default,,90,90,0,,{\an5}create
+Dialogue: 0,0:00:32.13,0:00:33.33,Default,,90,90,0,,{\an5}audiobooks,
+Dialogue: 0,0:00:33.33,0:00:34.07,Default,,90,90,0,,{\an5}voiceovers
+Dialogue: 0,0:00:34.07,0:00:34.23,Default,,90,90,0,,{\an5}for
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demo/demo.srt

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pyproject.toml

@@ -15,6 +15,7 @@ keywords = ["audiobook", "epub", "pdf", "text-to-speech", "subtitle", "tts", "ko
 dependencies = [
     "PyQt5>=5.15.11",
     "kokoro>=0.9.4",
+    "misaki[zh]>=0.9.4",
     "ebooklib>=0.19",
     "beautifulsoup4>=4.13.4",
     "PyMuPDF>=1.25.5",
@@ -23,7 +24,8 @@ dependencies = [
     "pygame>=2.6.1",
     "charset_normalizer>=3.4.1",
     "chardet>=5.2.0",
-    "static_ffmpeg>=2.13"
+    "static_ffmpeg>=2.13",
+    "Markdown>=3.9"
 ]
 
 classifiers = [