Rewrite README to reflect pipeline-owned state, daemon as thin control plane, current status, and updated roadmap. Document PipeWire recording, action channel for inject, and adjust diagrams/structure accordingly.

This commit is contained in:
LeonardoTrapani
2025-08-14 19:35:16 +02:00
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commit 0619a36abd
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# Hyprvoice
> **Voicepowered typing for Wayland/Hyprland — press to toggle, speak, instant paste.**
> Streams audio while you talk and **pastes the final text the moment you toggle off** → aims to be the **fastest feel** on Wayland.
> Voicepowered typing for Wayland/Hyprland — press to toggle, speak, instant paste.
> Streams audio while you talk and pastes the final text the moment you toggle off → aims to be the fastest feel on Wayland.
**Status:** Early development (expect rough edges)
@@ -9,23 +9,22 @@
## TL;DR
- **Toggle workflow** (Hyprlandfriendly): press to start, press to stop.
- **Cloud streaming ASR** (MVP) → **single final paste** into the focused window.
- **Daemon with clear states & events**; desktop notifications.
- **Clipboardbased injection** (save/restore) with **`wtype`**
- **Unixy pipeline** (small pieces, bounded channels).
- Toggle workflow (Hyprlandfriendly): press to start, press to stop.
- Pipeline owns state; daemon is a thin control plane (IPC + lifecycle).
- Notifications for key events (recording started/ended, aborted).
- Audio capture via PipeWire (`pw-record`) with backpressure.
- ASR + clipboard injection are planned; injection is currently stubbed.
---
## Requirements
- **Go 1.24.5+** (for building from source)
- Wayland + **Hyprland**
- **PipeWire** (audio capture)
- **systemd --user** (service)
- **wl-clipboard** (clipboard save/restore)
- **libnotify**/`notify-send` (optional notifications)
- `wtype` or `ydotool` (optional text injection fallback)
- Go 1.24.5+ (for building from source)
- Wayland + Hyprland
- PipeWire tools: `pw-record` and `pw-cli`
- systemd --user (service)
- Optional: libnotify/`notify-send` (desktop notifications)
- Planned/optional: `wl-clipboard` (clipboard save/restore), `wtype`/`ydotool` (text injection)
> Other distros may work, but Arch/Hyprland is the primary target for now.
@@ -49,10 +48,9 @@ bind = SUPER, R, exec, hyprvoice toggle
## Usage
### Basic Usage
- Press your **toggle** key to start; press again to stop.
- Audio streams to the cloud ASR while you speak.
- On stop (or VAD endpoint), Hyprvoice **pastes once** into the focused window.
- Injection flow: **save clipboard → copy final text → send Ctrl+V → restore clipboard**.
- Press your toggle key to start; press again to stop.
- Audio is captured via PipeWire; the pipeline enters `transcribing` after the first frame.
- On toggleoff during `transcribing`, an `inject` action is sent. Injection is currently simulated (no clipboard paste yet).
### CLI Commands
```bash
@@ -76,15 +74,15 @@ hyprvoice stop
## Status
| Component | State | Notes |
| -------------------------- | ----- | ------------------------------------------- |
| **Daemon (control plane)** | ✅ | State, IPC, worker orchestration |
| **Recording control** | ✅ | `hyprvoice toggle` |
| **Desktop notifications** | ✅ | `notify-send` (logs fallback) |
| **Audio capture** | 🔄 | PipeWire + VAD |
| **ASR backends** | 🔄 | Cloud **streaming** now; local Whisper next |
| **Text injection** | 🔄 | Clipboard paste → `wtype``ydotool` |
| **Service management** | 🔄 | `systemd --user` |
| Component | State | Notes |
| -------------------------- | ----- | ---------------------------------------------------------- |
| Daemon (control plane) | ✅ | IPC server, lifecycle; forwards status from the pipeline |
| Recording control | ✅ | `hyprvoice toggle` |
| Desktop notifications | ✅ | `notify-send` (logs fallback) |
| Audio capture | | PipeWire (`pw-record`) frames + bounded channels |
| ASR backends | | Not implemented yet (cloud/local planned) |
| Text injection | | Not implemented; will use clipboard + `wtype`/`ydotool` |
| Service management | 🔄 | `systemd --user` unit example provided |
Legend: ✅ done · 🔄 in progress · ⏳ planned
@@ -92,9 +90,9 @@ Legend: ✅ done · 🔄 in progress · ⏳ planned
## How it works
- **Model:** pipeline + central state (daemon = control plane).
- **State machine:** `idle → recording → transcribing → injecting → idle`.
- **Rule:** switch to **`transcribing`**\*\* as soon as the first audio frame is sent\*\* to the ASR.
- Model: The pipeline owns all runtime state; the daemon is a control plane (IPC + lifecycle) that starts/stops a pipeline instance and forwards status.
- State machine (pipeline): `idle → recording → transcribing → injecting → idle`.
- Rule: switch to `transcribing` as soon as the first audio frame arrives.
### ASCII diagram
@@ -102,34 +100,32 @@ Legend: ✅ done · 🔄 in progress · ⏳ planned
+-------------------+ Unix socket IPC +-----------+
CLI cmd → | Control Daemon | <---------------------------- | CLI/Tool |
|-------------------| +-----------+
| State: idle/rec/ |
| transcribing/... | events events
| Event bus (chan) | -----> [Notifications] -----> notify-send/log
| Lifecycle only | events events
| (start/stop pipe) | -----> [Notifications] -----> notify-send/log
| |
| frames finals |
| status ←------+
+--+-----------+----+
| |
Audio | | Final Text
Frames v v
+--------+ +--------+ text +-----------+
| Audio |-->| ASR | -------------->| Injection |
| Capture| | Stream | | Worker |
+--------+ +--------+ +-----------+
| ^
+--------------+
backpressure via bounded channels
|
Audio | frames
Frames v
+---------------------------- Pipeline ----------------------------+
| +--------+ +-------------+ +-----------+ |
| | Audio |-->| Transcribing| ...→ | Injecting | → idle |
| | Capture| | (ASR TBD) | | (stub) | |
| +--------+ +-------------+ +-----------+ |
+------------------------------------------------------------------+
State (daemon):
idle --toggle--> recording --first frame--> transcribing --final--> injecting --done--> idle
State (pipeline):
idle --toggle--> recording --first frame--> transcribing --inject--> injecting --done--> idle
```
### Data flow
1. `toggle`**recording**
2. First frame sent → **transcribing**
3. Cloud ASR returns **final****injecting**
4. Paste once → **idle**
5. Notifications at each transition
1. `toggle` (daemon) → create pipeline → recording
2. First frame arrives → transcribing (daemon may notify `Transcribing` later)
3. Second `toggle` during transcribing → send `inject` action → injecting (simulated)
4. Complete → idle; pipeline stops; daemon clears reference
5. Notifications at key transitions
---
@@ -150,16 +146,16 @@ sudo cp hyprvoice /usr/local/bin/
```
### Dependencies
- **Cobra CLI** - Command-line interface framework
- **Go 1.24.5+** - Programming language runtime
- Cobra CLI - Command-line interface framework
- Go 1.24.5+ - Programming language runtime
---
## Configuration
### File Locations
- **Socket**: `~/.cache/hyprvoice/control.sock` - IPC communication
- **PID file**: `~/.cache/hyprvoice/hyprvoice.pid` - Process tracking
- Socket: `~/.cache/hyprvoice/control.sock` - IPC communication
- PID file: `~/.cache/hyprvoice/hyprvoice.pid` - Process tracking
### Systemd Service
The daemon runs as a user service. To create a systemd service file:
@@ -196,17 +192,17 @@ systemctl --user enable --now hyprvoice.service
hyprvoice/
├── cmd/hyprvoice/ # Main CLI application
├── internal/
│ ├── bus/ # IPC communication (Unix sockets)
│ ├── daemon/ # Main daemon logic and state management
│ ├── bus/ # IPC (Unix socket) + PID management
│ ├── daemon/ # Control plane (IPC server, lifecycle; no state)
│ ├── notify/ # Desktop notifications
│ └── pipeline/ # Audio processing pipeline
│ └── pipeline/ # Pipeline + state machine (record/transcribe/inject)
├── go.mod # Go module definition
└── README.md
```
### State Machine
The daemon operates with these states:
- **idle****recording****transcribing****injecting****idle**
The pipeline operates with these states:
- idle → recordingtranscribing → injecting → idle
### IPC Protocol
Single-character commands over Unix socket:
@@ -227,6 +223,25 @@ go run ./cmd/hyprvoice status
---
## Recent changes
- Migrated runtime state from the daemon to the pipeline. The daemon now just starts/stops the pipeline and proxies status.
- Introduced an action channel for control (`inject`), enabling toggletoinject behavior while transcribing.
- Implemented PipeWire recording via `pw-record` with bounded channels and basic backpressure logging.
- Desktop notifications wired for start/end/abort (transcribing notification hook available).
- Added CLI commands: `serve`, `toggle`, `status`, `version`, `stop`.
## Direction / Roadmap
- ASR integration: start with a cloud streaming backend; add a local backend later.
- Proper injection: clipboard save/restore + Ctrl+V, with `wtype`/`ydotool` fallbacks.
- VAD / endpointing to autostop on silence (in addition to manual toggle).
- Configuration for devices, sample rate, and buffer sizing.
- Tests for pipeline state transitions and IPC.
- Direction is flexible; we can adjust based on UX feedback and perf.
---
## Troubleshooting
### Common Issues