Initial commit

.gitignore

@@ -0,0 +1,10 @@
+whishper_data/
+node_modules/
+__pycache__/
+whisper_models/
+.venv
+.vscode
+*cache*
+*override*
+*_WHSHPR_*
+.env

CHANGELOG.md

@@ -0,0 +1,4 @@
+# v1.0.0 (2023-08-25)
+
+Initial release of Whishper!
+

LICENSE

@@ -0,0 +1,661 @@
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+
+                            Preamble
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+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) 2023  pluja
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.

README.md

@@ -0,0 +1,50 @@
+![whishper banner](misc/banner.png)
+
+# [Whishper](https://whishper.net)
+
+Whishper (formerly known as Web Whisper Plus) is a complete transcription suite. In simple words, it is a frontend for OpenAI's Whisper, but with batteries included!
+
+> [Checkout the website for more information](https://whishper.net)
+
+> [Demo videos available here](https://whishper.net/usage/transcriptions/)
+
+## Features
+
+- Transcribe any media to text: audio, video, etc.
+    - Transcribe from URLs (any source supported by yt-dlp).
+    - Upload a file to transcribe.
+- Download result in many formats: TXT, JSON, VTT, SRT or copy the raw text to your clipboard.
+- Translate your transcriptions to any language supported by [Libretranslate](https://libretranslate.com).
+- Edit your subtitles in a comfy and complete web UI!
+    - Subtitle language selection.
+    - Sentence splitting.
+    - Large CPS (Characters per second) warnings.
+    - See current transcription based on media position.
+    - Insert new segments to the subtitles.
+- Private: transcription, translation and subtitle edition happen 100% locally (can work offline!).
+- Fast: uses FasterWhisper as the Whisper backend: get much faster transcription times on CPU!
+- Local: transcripted files are stored locally, and you can download them!
+
+### Coming soon
+
+- [ ] Support for GPU acceleration.
+- [ ] Audio recording from the browser.
+
+## Self hosting
+
+Check out the self-hosting documentation [here](https://whishper.net/guides/install/).
+
+## Project structure
+
+Whishper is a collection of pieces that work together. The three main pieces are:
+
+- Transcription-API: This is the API that enables running Faster-Whisper. You can find it in the `transcription-api` folder.
+- Whishper-Backend: This is the backend that coordinates frontend calls, database, and tasks. You can find it in `backend` folder.
+- Whishper-Frontend: This is the frontend (web UI) of the application. You can find it in `frontend` folder.
+- Translation (3rd party): This is the libretranslate container that is used for translating subtitles.
+- MongoDB (3rd party): This is the database that stores all the information about your transcriptions.
+- Nginx (3rd party): This is the proxy that allows running everything from a single domain.
+
+## Development
+
+Check out the development documentation [here](https://whishper.net/guides/development/).

backend/Dockerfile

@@ -0,0 +1,31 @@
+FROM --platform=$BUILDPLATFORM golang:bookworm AS ytdlp_cache
+ARG TARGETOS
+ARG TARGETARCH
+RUN apt update && apt install -y wget
+RUN wget https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -O /usr/local/bin/yt-dlp
+RUN chmod a+rx /usr/local/bin/yt-dlp
+
+FROM devopsworks/golang-upx:latest as builder
+ENV DEBIAN_FRONTEND noninteractive
+WORKDIR /app
+COPY . .
+RUN go mod tidy
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o whishper . && \
+    upx whishper
+
+RUN chmod a+rx whishper
+
+FROM --platform=$BUILDPLATFORM python:3-bookworm
+ARG TARGETOS
+ARG TARGETARCH
+
+WORKDIR /app
+COPY --from=builder /app/whishper ./whishper 
+RUN chmod a+rx ./whishper
+
+COPY --from=ytdlp_cache /usr/local/bin/yt-dlp /bin/yt-dlp
+
+RUN mkdir /app/uploads
+
+EXPOSE 8080
+ENTRYPOINT [ "/app/whishper", "-addr", ":8080", "-dev" ]

backend/README.md

@@ -0,0 +1,66 @@
+# Golang API for Whishper
+
+This is the Golang API for Whishper. It allows to have an interface between the Faster-Whisper-ASR service, the database and the web interface.
+
+## Usage
+
+### Websocket
+
+It exposes a `/ws/transcriptions` websocket endpoint where JSON events will be received. This endpoint only receives updates, it will not send all the transcriptions in the database to the client when it connects. The websocket will also ignore all the events from the clients.
+
+### REST API
+
+#### GET: `/api/transcriptions`
+
+This endpoint will return all the transcriptions in the database.
+
+#### POST: `/api/transcriptions`
+
+This endpoint expects a form with the following fields:
+
+- `file` (form file): The file to transcribe (must be present, if `sourceURL` is not present)
+- `sourceURL` (string): The URL of the file to transcribe (optional, if present, `file` will be ignored)
+- `modelSize` (string): The model size to use (optional, if not present, the default model size will be used). The available model sizes are: `tiny`, `base`, `small`, `medium`, `large`. All variants of the model size are also available with enlgish-only models (e.g. `tiny.en`, `base.en`, etc.)
+- `language` (string): The source language for the transcription. By default it uses `auto` which will detect the language automatically. Otherwise, use a two-letter language code (e.g. `en`, `fr`, `es`, etc.)
+
+### Flags
+
+- `-addr`: The address to listen to (default: `:8080`). Must specify the `:` before the port number.
+- `-updir`: The path to the uploads directory (default: `/app/uploads`). Must exist and be writable.
+- `-asr`: The address of the ASR service (default: `whisper-api:8000`).
+- `-translation`: The address of the translation service (default: `translate:5000`).
+- `-dev`: Turns development mode on. This will show debug logs.
+
+## Project structure
+
+# `main.go`
+
+This is the main file of the project. It contains the main function calls.
+
+# `api/`
+
+This folder contains all the server logic. It is split into three files:
+
+- `server.go`: This file contains the main server logic. It creates a server struct that contains all the necessary logic to run the server.
+- `handlers.go`: This file contains all the handlers for the server. It also contains the logic.
+- `websocket.go`: This file contains the logic for the websocket.
+
+# `models/`
+
+This folder contains all the models used by the server. Each model has its own file.
+
+# `utils/`
+
+This folder contains all the utility functions used by the server.
+
+# `database/`
+
+This folder contains all the database logic. It is split into two files:
+
+- `database.go`: This file contains the main database logic. It creates a database interface that contains all the necessary logic to interact with the database.
+- `mongo.go`: This implements the database interface for MongoDB.
+
+# `monitor/`
+
+This folder contains the logic for the background monitor that checks the pending transcriptions, transcribes them and updates the database.
+

backend/api/handlers.go

@@ -0,0 +1,190 @@
+package api
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/goccy/go-json"
+	"github.com/gofiber/fiber/v2"
+	"github.com/rs/zerolog/log"
+
+	"codeberg.org/pluja/whishper/models"
+)
+
+func (s *Server) handleGetAllTranscriptions(c *fiber.Ctx) error {
+	transcriptions := s.Db.GetAllTranscriptions()
+
+	// Convert the transcriptions to JSON.
+	json, err := json.Marshal(transcriptions)
+	if err != nil {
+		// 503 On vacation!
+		return fiber.NewError(fiber.StatusServiceUnavailable, "On vacation!")
+	}
+
+	// Write the JSON to the response body.
+	c.Set("Content-Type", "application/json")
+	c.Write(json)
+	return nil
+}
+
+func (s *Server) handleGetTranscriptionById(c *fiber.Ctx) error {
+	id := c.Params("id")
+	t := s.Db.GetTranscription(id)
+	if t == nil {
+		log.Warn().Msgf("Transcription with id %v not found", id)
+		return fiber.NewError(fiber.StatusNotFound, "Not found")
+	}
+
+	// Convert the transcription to JSON.
+	json, err := json.Marshal(t)
+	if err != nil {
+		// 503 On vacation!
+		return fiber.NewError(fiber.StatusServiceUnavailable, "On vacation!")
+	}
+
+	// Write the JSON to the response body.
+	c.Set("Content-Type", "application/json")
+	c.Write(json)
+	return nil
+}
+
+// This function receives data from a form to create a new transcription.
+// If the transcription is created successfully, it returns a 201 Created status code and
+// broadcasts the new transcription to all ws clients.
+func (s *Server) handlePostTranscription(c *fiber.Ctx) error {
+	log.Debug().Msg("POST /api/transcriptions")
+	var transcription models.Transcription
+
+	// we get the filename from the from
+	var filename string
+	if c.FormValue("sourceUrl") == "" {
+		// Get the form file from the request.
+		file, err := c.FormFile("file")
+		if err != nil {
+			log.Error().Err(err).Msg("Error getting file field from the form")
+			return fiber.NewError(fiber.StatusBadRequest, "Bad request")
+		}
+		timeid := time.Now().Format("2006_01_02-150405000")
+		filename = timeid + models.FileNameSeparator + file.Filename
+		// if it's empty and there is no sourceurl we set a timestamp-based filename
+		if filename == timeid+models.FileNameSeparator {
+			filename = timeid + models.FileNameSeparator + time.Now().Format("2006_01_02-150405")
+		}
+
+		// Save the file to the uploads directory.
+		err = c.SaveFile(file, fmt.Sprintf("%v/%v", os.Getenv("UPLOAD_DIR"), filename))
+		if err != nil {
+			log.Error().Err(err).Msgf("Error saving the form file to disk into %v", os.Getenv("UPLOAD_DIR"))
+			return fiber.NewError(fiber.StatusInternalServerError, "Internal server error")
+		}
+	}
+
+	// Parse the body into the transcription struct.
+	transcription.Language = c.FormValue("language")
+	transcription.ModelSize = c.FormValue("modelSize")
+	transcription.FileName = filename
+	transcription.Status = models.TranscriptionStatusPending
+	transcription.Task = "transcribe"
+	transcription.SourceUrl = c.FormValue("sourceUrl")
+	// TODO: Implement other device types
+	transcription.Device = "cpu"
+
+	log.Debug().Msgf("Transcription: %+v", transcription)
+	// Save transcription to database
+	res, err := s.Db.NewTranscription(&transcription)
+	if err != nil {
+		log.Error().Err(err).Msg("Error saving transcription to database")
+		return fiber.NewError(fiber.StatusInternalServerError, "Internal server error")
+	}
+
+	// Write the JSON to the response body.
+	s.BroadcastTranscription(res)
+	s.NewTranscriptionCh <- true
+	return nil
+}
+
+func (s *Server) handleDeleteTranscription(c *fiber.Ctx) error {
+	// First get the transcription from the database
+	id := c.Params("id")
+	t := s.Db.GetTranscription(id)
+	if t == nil {
+		log.Warn().Msgf("Transcription with id %v not found", id)
+		return fiber.NewError(fiber.StatusNotFound, "Not found")
+	}
+
+	// Then delete the file from disk
+	err := os.Remove(fmt.Sprintf("%v/%v", os.Getenv("UPLOAD_DIR"), t.FileName))
+	if err != nil {
+		log.Error().Err(err).Msgf("Error deleting file %v", t.FileName)
+	}
+
+	// Finally delete the transcription from the database
+	err = s.Db.DeleteTranscription(id)
+	if err != nil {
+		log.Error().Err(err).Msgf("Error deleting transcription %v", id)
+		return fiber.NewError(fiber.StatusInternalServerError, "Internal server error")
+	}
+
+	// Return status deleted
+	c.Status(fiber.StatusOK)
+	return nil
+}
+
+func (s *Server) handlePatchTranscription(c *fiber.Ctx) error {
+	var transcription models.Transcription
+	// Parse the body into the transcription struct.
+	err := json.Unmarshal(c.Body(), &transcription)
+	if err != nil {
+		log.Error().Err(err).Msg("Error parsing JSON body")
+		return fiber.NewError(fiber.StatusBadRequest, "Bad request")
+	}
+
+	// Update the transcription in the database
+	ut, err := s.Db.UpdateTranscription(&transcription)
+	if err != nil {
+		log.Error().Err(err).Msgf("Error updating transcription")
+		if err.Error() == "no documents were modified" {
+			return fiber.NewError(fiber.StatusNotModified, "Not found")
+		}
+		return fiber.NewError(fiber.StatusInternalServerError, "Internal server error")
+	}
+
+	// Write the JSON to the response body.
+	s.BroadcastTranscription(ut)
+
+	// Return status ok
+	json, err := json.Marshal(&ut)
+	if err != nil {
+		// 503 On vacation!
+		return fiber.NewError(fiber.StatusInternalServerError, "Error parsing json!")
+	}
+
+	c.Status(fiber.StatusOK)
+	c.Write(json)
+	return nil
+}
+
+func (s *Server) handleTranslate(c *fiber.Ctx) error {
+	id := c.Params("id")
+	targetLang := c.Params("target")
+
+	transcription := s.Db.GetTranscription(id)
+
+	// Set status as translating
+	transcription.Status = models.TrannscriptionStatusTranslating
+	s.Db.UpdateTranscription(transcription)
+	s.BroadcastTranscription(transcription)
+
+	err := transcription.Translate(targetLang)
+	if err != nil {
+		log.Debug().Err(err).Msg("Error with translation")
+		return err
+	}
+
+	// Set as done
+	transcription.Status = models.TranscriptionStatusDone
+	s.Db.UpdateTranscription(transcription)
+	s.BroadcastTranscription(transcription)
+	return nil
+}

backend/api/server.go

@@ -0,0 +1,158 @@
+package api
+
+import (
+	"os"
+
+	"github.com/goccy/go-json"
+	"github.com/gofiber/contrib/websocket"
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/cors"
+	"github.com/rs/zerolog/log"
+
+	"codeberg.org/pluja/whishper/database"
+	"codeberg.org/pluja/whishper/models"
+)
+
+type Server struct {
+	ListenAddr         string
+	Router             *fiber.App
+	Db                 database.Db
+	NewTranscriptionCh chan bool
+	clients            []*websocket.Conn
+}
+
+func NewServer(listenAddr string, db database.Db) *Server {
+	return &Server{
+		ListenAddr: listenAddr,
+		Router: fiber.New(fiber.Config{
+			JSONEncoder:  json.Marshal,
+			JSONDecoder:  json.Unmarshal,
+			BodyLimit:    100 * 1024 * 1024, // Increase body limit to 100MB
+			ServerHeader: "Fiber",           // Optional, for easier debugging
+		}),
+		Db:                 db,
+		clients:            make([]*websocket.Conn, 0),
+		NewTranscriptionCh: make(chan bool, 100),
+	}
+}
+
+func (s *Server) Run() {
+	s.SetupWebsocket()
+	s.SetupMiddleware()
+	s.RegisterRoutes()
+	s.Router.Listen(s.ListenAddr)
+}
+
+func (s *Server) SetupWebsocket() {
+	s.Router.Get("/ws/transcriptions", websocket.New(func(c *websocket.Conn) {
+
+		// Add this connection to the slice of clients
+		s.clients = append(s.clients, c)
+
+		for {
+			_, msg, err := c.ReadMessage()
+			if err != nil {
+				// Check for normal close error (1000) or going away error (1001)
+				if err.Error() != "websocket: close 1000 (normal)" &&
+					err.Error() != "websocket: close 1001 (going away)" {
+					log.Error().Err(err).Msgf("Error reading message")
+				}
+				// Remove the client from the slice if it has disconnected
+				s.clients = removeWsClient(s.clients, c)
+				return
+			}
+			s.handleWebsocketMessage(c, msg)
+		}
+	}))
+}
+
+func (s *Server) BroadcastTranscription(t *models.Transcription) {
+	// Convert the transcription to JSON.
+	json, err := json.Marshal(&t)
+	if err != nil {
+		log.Error().Err(err).Msg("Error marshalling transcription to JSON:")
+		return
+	}
+	for _, client := range s.clients {
+		if err := client.WriteMessage(websocket.TextMessage, json); err != nil {
+			log.Error().Err(err).Msg("Error broadcasting message:")
+		}
+	}
+}
+
+func (s *Server) SetupMiddleware() {
+	s.Router.Use(cors.New())
+}
+
+func (s *Server) RegisterRoutes() {
+	// Static routes
+	s.Router.Static("/api/video", os.Getenv("UPLOAD_DIR"))
+
+	// Register HTTP route for getting initial state.
+	s.Router.Get("/api/transcriptions", func(c *fiber.Ctx) error {
+		err := s.handleGetAllTranscriptions(c)
+		if err != nil {
+			log.Error().Err(err).Msg("Error handling POST /api/transcriptions")
+		}
+		return err
+	})
+
+	// Register HTTP route for getting initial state.
+	s.Router.Get("/api/transcriptions/:id", func(c *fiber.Ctx) error {
+		log.Debug().Msgf("GET /api/transcriptions/%v", c.Params("id"))
+		err := s.handleGetTranscriptionById(c)
+		if err != nil {
+			log.Error().Err(err).Msg("Error handling GET /api/transcriptions/:id")
+		}
+		return err
+	})
+
+	// Register HTTP route for getting initial state.
+	s.Router.Get("/api/translate/:id/:target", func(c *fiber.Ctx) error {
+		log.Debug().Msgf("GET /api/translate/%v/%v", c.Params("id"), c.Params("target"))
+		err := s.handleTranslate(c)
+		if err != nil {
+			log.Error().Err(err).Msg("Error handling GET /api/translate/:id/:source")
+		}
+		return err
+	})
+
+	// Register HTTP route for receiving the form data and creating new transcription job.
+	s.Router.Post("/api/transcriptions", func(c *fiber.Ctx) error {
+		log.Debug().Msg("POST /api/transcriptions")
+		err := s.handlePostTranscription(c)
+		if err != nil {
+			log.Error().Err(err).Msg("Error handling POST /api/transcriptions")
+		}
+		return err
+	})
+
+	s.Router.Patch("/api/transcriptions", func(c *fiber.Ctx) error {
+		//log.Debug().Msgf("PATCH /api/transcriptions/%v", c.Params("id"))
+		err := s.handlePatchTranscription(c)
+		if err != nil {
+			log.Error().Err(err).Msg("Error handling PATCH /api/transcriptions")
+		}
+		return err
+	})
+
+	// Register HTTP route for receiving the form data and creating new transcription job.
+	s.Router.Delete("/api/transcriptions/:id", func(c *fiber.Ctx) error {
+		log.Debug().Msgf("DELETE /api/transcriptions/%v", c.Params("id"))
+		err := s.handleDeleteTranscription(c)
+		if err != nil {
+			log.Error().Err(err).Msg("Error handling DELETE /api/transcriptions")
+		}
+		return err
+	})
+}
+
+// Helper function to remove a WebSocket connection from the slice
+func removeWsClient(s []*websocket.Conn, r *websocket.Conn) []*websocket.Conn {
+	for i, v := range s {
+		if v == r {
+			return append(s[:i], s[i+1:]...)
+		}
+	}
+	return s
+}

backend/api/websocket.go

@@ -0,0 +1,41 @@
+package api
+
+import (
+	"github.com/goccy/go-json"
+	"github.com/gofiber/contrib/websocket"
+	"github.com/rs/zerolog/log"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+
+	"codeberg.org/pluja/whishper/models"
+)
+
+func (s *Server) handleWebsocketMessage(wsess *websocket.Conn, msg []byte) {
+	log.Info().Msgf("Received message from client: %v", wsess.RemoteAddr().String())
+	// Try to unmarshal message to transcription
+	var transcription models.Transcription
+	err := json.Unmarshal(msg, &transcription)
+	if err != nil {
+		log.Error().Err(err).Msg("Error unmarshalling message to transcription:")
+		return
+	}
+
+	var res *models.Transcription
+	// Check if the transcription has a valid ID
+	// If it has ID, it means it's an update
+	if transcription.ID != primitive.NilObjectID {
+		log.Printf("Updating transcription: %v", transcription.ID)
+		// Update transcription in database
+		res, err = s.Db.UpdateTranscription(&transcription)
+		if err != nil {
+			log.Error().Err(err).Msg("Error updating transcription in database:")
+			return
+		}
+		log.Printf("Updated transcription in database: %v", res)
+	} else {
+		log.Error().Msgf("Transcription not updated, it does not have an ID")
+		return
+	}
+
+	// broadcast with gofiber websocket
+	s.BroadcastTranscription(res)
+}

backend/database/database.go

@@ -0,0 +1,14 @@
+package database
+
+import (
+	"codeberg.org/pluja/whishper/models"
+)
+
+type Db interface {
+	NewTranscription(*models.Transcription) (*models.Transcription, error)
+	UpdateTranscription(*models.Transcription) (*models.Transcription, error)
+	DeleteTranscription(string) error
+	GetTranscription(string) *models.Transcription
+	GetAllTranscriptions() []*models.Transcription
+	GetPendingTranscriptions() []*models.Transcription
+}

backend/database/mongo.go

@@ -0,0 +1,166 @@
+package database
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/rs/zerolog/log"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+
+	"codeberg.org/pluja/whishper/models"
+)
+
+type MongoDb struct {
+	client *mongo.Client
+}
+
+func NewMongoDb() *MongoDb {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	client, err := mongo.Connect(ctx, options.Client().ApplyURI(fmt.Sprintf("mongodb://root:example@%v", os.Getenv("DB_ENDPOINT"))))
+	if err != nil {
+		log.Error().Err(err).Msg("Error connecting to mongodb")
+	}
+	return &MongoDb{
+		client: client,
+	}
+}
+
+func (m *MongoDb) GetTranscription(id string) *models.Transcription {
+	collection := m.client.Database("whishper").Collection("transcriptions")
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	oid, err := primitive.ObjectIDFromHex(id)
+	if err != nil {
+		log.Printf("Error converting id to object id: %v", err)
+		return nil
+	}
+	filter := bson.D{primitive.E{Key: "_id", Value: oid}}
+	var result models.Transcription
+	err = collection.FindOne(ctx, filter).Decode(&result)
+	if err != nil {
+		log.Printf("Error getting transcription: %v", err)
+		return nil
+	}
+	return &result
+}
+
+func (m *MongoDb) DeleteTranscription(id string) error {
+	collection := m.client.Database("whishper").Collection("transcriptions")
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	oid, err := primitive.ObjectIDFromHex(id)
+	if err != nil {
+		log.Debug().Msg("Error converting id to object id.")
+		return err
+	}
+
+	filter := bson.D{primitive.E{Key: "_id", Value: oid}}
+	_, err = collection.DeleteOne(ctx, filter)
+	if err != nil {
+		log.Debug().Msg("Error deleting transcription")
+		return err
+	}
+	return nil
+}
+
+func (m *MongoDb) NewTranscription(t *models.Transcription) (*models.Transcription, error) {
+	collection := m.client.Database("whishper").Collection("transcriptions")
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	// Create a new mongodb object id
+	i, err := collection.InsertOne(ctx, t)
+	if err != nil {
+		log.Printf("Error creating new transcription: %v", err)
+		return nil, err
+	}
+	// Set the id of the transcription to the mongodb object id
+	t.ID = i.InsertedID.(primitive.ObjectID)
+	return t, nil
+}
+
+func (s *MongoDb) GetAllTranscriptions() []*models.Transcription {
+	collection := s.client.Database("whishper").Collection("transcriptions")
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	cursor, err := collection.Find(ctx, bson.D{})
+	if err != nil {
+		log.Printf("Error getting transcriptions: %v", err)
+		return nil
+	}
+	defer cursor.Close(ctx)
+
+	var transcriptions []*models.Transcription
+	for cursor.Next(ctx) {
+		var result models.Transcription
+		err := cursor.Decode(&result)
+		if err != nil {
+			log.Printf("Error decoding transcription: %v", err)
+			return nil
+		}
+		transcriptions = append(transcriptions, &result)
+	}
+	if err := cursor.Err(); err != nil {
+		log.Printf("Error getting transcriptions: %v", err)
+		return nil
+	}
+	return transcriptions
+}
+
+func (s *MongoDb) GetPendingTranscriptions() []*models.Transcription {
+	collection := s.client.Database("whishper").Collection("transcriptions")
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	filter := bson.D{primitive.E{Key: "status", Value: models.TranscriptionStatusPending}}
+	cursor, err := collection.Find(ctx, filter)
+	if err != nil {
+		log.Printf("Error getting transcriptions: %v", err)
+		return nil
+	}
+
+	defer cursor.Close(ctx)
+	var transcriptions []*models.Transcription
+	for cursor.Next(ctx) {
+		var result models.Transcription
+		err := cursor.Decode(&result)
+		if err != nil {
+			log.Printf("Error decoding transcription: %v", err)
+			return nil
+		}
+		transcriptions = append(transcriptions, &result)
+	}
+
+	return transcriptions
+}
+
+func (m *MongoDb) UpdateTranscription(t *models.Transcription) (*models.Transcription, error) {
+	collection := m.client.Database("whishper").Collection("transcriptions")
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	filter := bson.D{primitive.E{Key: "_id", Value: t.ID}}
+	updateQuery := bson.D{primitive.E{Key: "$set", Value: t}}
+	updateResult, err := collection.UpdateOne(ctx, filter, updateQuery)
+	if err != nil {
+		return nil, err
+	}
+
+	if updateResult.MatchedCount == 0 {
+		return nil, errors.New("no documents matched the filter")
+	}
+	if updateResult.ModifiedCount == 0 {
+		return nil, errors.New("no documents were modified")
+	}
+
+	return t, nil
+}

backend/go.mod

@@ -0,0 +1,41 @@
+module codeberg.org/pluja/whishper
+
+go 1.20
+
+require (
+	github.com/goccy/go-json v0.10.2
+	github.com/gofiber/contrib/websocket v1.2.0
+	github.com/gofiber/fiber/v2 v2.48.0
+	github.com/rs/zerolog v1.30.0
+	go.mongodb.org/mongo-driver v1.12.1
+)
+
+require (
+	github.com/andybalholm/brotli v1.0.5 // indirect
+	github.com/fasthttp/websocket v1.5.4 // indirect
+	github.com/golang/snappy v0.0.1 // indirect
+	github.com/google/go-cmp v0.5.6 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/h2non/filetype v1.1.3 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/savsgio/gotils v0.0.0-20230208104028-c358bd845dee // indirect
+	github.com/snakesel/libretranslate v0.0.2 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.48.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	github.com/wader/goutubedl v0.0.0-20230817095831-89e825670ccd // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.11.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+)

backend/go.sum

@@ -0,0 +1,114 @@
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+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fasthttp/websocket v1.5.4 h1:Bq8HIcoiffh3pmwSKB8FqaNooluStLQQxnzQspMatgI=
+github.com/fasthttp/websocket v1.5.4/go.mod h1:R2VXd4A6KBspb5mTrsWnZwn6ULkX56/Ktk8/0UNSJao=
+github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
+github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
+github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
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+github.com/gofiber/contrib/websocket v1.2.0 h1:E+GNxglSApjJCPwH1y3wLz69c1PuSvADwhMBeDc8Xxc=
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+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
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+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

backend/main.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"flag"
+	"os"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+
+	"codeberg.org/pluja/whishper/api"
+	"codeberg.org/pluja/whishper/database"
+	"codeberg.org/pluja/whishper/monitor"
+)
+
+func main() {
+	// Logging
+	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
+	zerolog.SetGlobalLevel(zerolog.InfoLevel)
+
+	listenAddr := flag.String("addr", ":8080", "server listen address")
+	uploadDir := flag.String("updir", "/app/uploads", "upload directory")
+	asrEndpoint := flag.String("asr", "transcription-api:8000", "asr endpoint, i.e. localhost:9888")
+	dbHost := flag.String("db", "mongo:27017", "database endpoint host, i.e. localhost:27017")
+	translationEndpoint := flag.String("translation", "translate:5000", "translation endpoint, i.e. localhost:5000")
+	dev := flag.Bool("dev", false, "development mode")
+	flag.Parse()
+
+	// Set environment variables
+	if os.Getenv("UPLOAD_DIR") == "" {
+		os.Setenv("UPLOAD_DIR", *uploadDir)
+	}
+	if os.Getenv("ASR_ENDPOINT") == "" {
+		os.Setenv("ASR_ENDPOINT", *asrEndpoint)
+	}
+	if os.Getenv("TRANSLATION_ENDPOINT") == "" {
+		os.Setenv("TRANSLATION_ENDPOINT", *translationEndpoint)
+	}
+	if os.Getenv("DB_ENDPOINT") == "" {
+		os.Setenv("DB_ENDPOINT", *dbHost)
+	}
+
+	// Configure dev mode
+	if *dev {
+		log.Logger = log.Output(
+			zerolog.ConsoleWriter{
+				Out:        os.Stdout,
+				TimeFormat: "15:04:05",
+			},
+		).With().Caller().Logger()
+		zerolog.SetGlobalLevel(zerolog.DebugLevel)
+	}
+
+	log.Debug().Msg("DEV MODE IS ON")
+	log.Debug().Msgf("ListenAddr: %v", *listenAddr)
+	log.Debug().Msgf("UploadDir: %v", *uploadDir)
+	log.Debug().Msgf("AsrEndpoint: %v", *asrEndpoint)
+	log.Debug().Msgf("TranslationEndpoint: %v", *translationEndpoint)
+	log.Debug().Msgf("DbHost: %v", *dbHost)
+
+	dabs := database.NewMongoDb()
+	server := api.NewServer(*listenAddr, dabs)
+	go monitor.StartMonitor(server)
+	server.NewTranscriptionCh <- true
+	server.Run()
+}

backend/models/constants.go

@@ -0,0 +1,14 @@
+package models
+
+const (
+	TranscriptionStatusPending      = 0
+	TranscriptionStatusRunning      = 1
+	TranscriptionStatusDone         = 2
+	TrannscriptionStatusTranslating = 3
+	TranscriptionStatusError        = -1
+
+	SourceTypeFile = "file"
+	SourceTypeURL  = "url"
+
+	FileNameSeparator = "_WHSHPR_"
+)

backend/models/transcription.go

@@ -0,0 +1,67 @@
+package models
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/rs/zerolog/log"
+	ltr "github.com/snakesel/libretranslate"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type Transcription struct {
+	ID           primitive.ObjectID `bson:"_id,omitempty" json:"id"`
+	Status       int                `bson:"status" json:"status"`
+	Language     string             `bson:"language" json:"language"`
+	ModelSize    string             `bson:"modelSize" json:"modelSize"`
+	Task         string             `bson:"task" json:"task"`
+	Device       string             `bson:"device" json:"device"`
+	FileName     string             `bson:"fileName" json:"fileName"`
+	SourceUrl    string             `bson:"sourceUrl" json:"sourceUrl"`
+	Result       WhisperResult      `bson:"result" json:"result"`
+	Translations []Translation      `bson:"translations" json:"translations"`
+}
+
+func (t *Transcription) Translate(target string) error {
+	for _, translation := range t.Translations {
+		if translation.TargetLanguage == target {
+			log.Debug().Msgf("Translation for %v already exists!", target)
+			return fmt.Errorf("translation for %v already exists", target)
+		}
+	}
+
+	translate := ltr.New(ltr.Config{
+		Url: fmt.Sprintf("http://%v", os.Getenv("TRANSLATION_ENDPOINT")),
+	})
+
+	var translation Translation
+	translation.SourceLanguage = t.Language
+	translation.TargetLanguage = target
+
+	trtext, err := translate.Translate(t.Result.Text, translation.SourceLanguage, translation.TargetLanguage)
+	if err != nil {
+		log.Debug().Err(err).Msgf("Error translating text...")
+		return err
+	}
+	translatedText := trtext
+
+	translatedSegments := make([]Segment, len(t.Result.Segments))
+	copy(translatedSegments, t.Result.Segments)
+	for i, seg := range t.Result.Segments {
+		trtext, err := translate.Translate(seg.Text, translation.SourceLanguage, translation.TargetLanguage)
+		if err != nil {
+			log.Debug().Err(err).Msgf("Error translating segment text...")
+			return err
+		}
+		translatedSegments[i].Text = trtext
+		// Word-level data is lost, since we can't make sure that words will be in the same order and number as the final translation.
+		// For example, if we translate "The big home" to Spanish, we could get "La casa grande", thus words changed order.
+		translatedSegments[i].Words = []Word{}
+	}
+
+	translation.Result.Text = translatedText
+	translation.Result.Segments = translatedSegments
+	translation.Result.Language = translation.TargetLanguage
+	t.Translations = append(t.Translations, translation)
+	return nil
+}

backend/models/translation.go

@@ -0,0 +1,8 @@
+package models
+
+type Translation struct {
+	SourceLanguage string        `json:"sourceLanguage"`
+	TargetLanguage string        `json:"targetLanguage"`
+	Status         int           `json:"translationStatus"`
+	Result         WhisperResult `json:"result"`
+}

backend/models/whisper.go

@@ -0,0 +1,24 @@
+package models
+
+type WhisperResult struct {
+	Language string    `json:"language"`
+	Duration float64   `json:"duration"`
+	Segments []Segment `json:"segments"`
+	Text     string    `json:"text"`
+}
+
+type Segment struct {
+	End   float64 `json:"end"`
+	ID    string  `json:"id"`
+	Start float64 `json:"start"`
+	Score float64 `json:"score"`
+	Text  string  `json:"text"`
+	Words []Word  `json:"words"`
+}
+
+type Word struct {
+	End   float64 `json:"end"`
+	Start float64 `json:"start"`
+	Word  string  `json:"word"`
+	Score float64 `json:"score"`
+}

backend/monitor/monitor.go

@@ -0,0 +1,126 @@
+package monitor
+
+import (
+	"bytes"
+	"io"
+	"mime/multipart"
+	"os"
+	"path/filepath"
+
+	"github.com/rs/zerolog/log"
+
+	"codeberg.org/pluja/whishper/api"
+	"codeberg.org/pluja/whishper/models"
+	"codeberg.org/pluja/whishper/utils"
+)
+
+func StartMonitor(s *api.Server) {
+	log.Info().Msg("Starting monitor!")
+	go func() {
+		for {
+			// Wait for new transcription to be added to the database
+			// notification will be received through the NewTranscriptionCh channel
+			<-s.NewTranscriptionCh
+			pendingTranscriptions := s.Db.GetPendingTranscriptions()
+			log.Debug().Msgf("Pending transcriptions: %v", len(pendingTranscriptions))
+			for _, pt := range pendingTranscriptions {
+				log.Debug().Msgf("Taking pending transcription %v", pt.ID)
+				if pt.Status == models.TranscriptionStatusPending {
+					err := transcribe(s, pt)
+					if err != nil {
+						log.Error().Err(err).Msg("Error transcribing")
+						pt.Status = models.TranscriptionStatusError
+						ut, err := s.Db.UpdateTranscription(pt)
+						if err != nil {
+							log.Error().Err(err).Msg("Error updating transcription")
+						}
+						s.BroadcastTranscription(ut)
+						continue
+					}
+				}
+			}
+		}
+	}()
+}
+
+func transcribe(s *api.Server, t *models.Transcription) error {
+	// Update transcription status
+	t.Status = models.TranscriptionStatusRunning
+	log.Debug().Msgf("Updating transcription %v", t)
+	_, err := s.Db.UpdateTranscription(t)
+	if err != nil {
+		log.Error().Err(err).Msg("Error updating transcription")
+		return err
+	}
+	s.BroadcastTranscription(t)
+
+	if t.SourceUrl != "" {
+		// Download media
+		fn, err := utils.DownloadMedia(t)
+		if err != nil {
+			log.Error().Err(err).Msg("Error downloading media")
+			return err
+		}
+		t.FileName = fn
+		s.BroadcastTranscription(t)
+	}
+
+	// Prepare multipart form data
+	body, writer, err := prepareMultipartFormData(t)
+	if err != nil {
+		log.Error().Err(err).Msg("Error preparing multipart form data")
+		return err
+	}
+
+	// Send transcription request to transcription service
+	res, err := utils.SendTranscriptionRequest(t, body, writer)
+	if err != nil {
+		log.Error().Err(err).Msg("Error sending transcription request")
+		return err
+	}
+
+	t.Result = *res
+	t.Translations = []models.Translation{}
+	t.Status = models.TranscriptionStatusDone
+	_, err = s.Db.UpdateTranscription(t)
+	if err != nil {
+		log.Error().Err(err).Msg("Error updating transcription")
+		return err
+	}
+	s.BroadcastTranscription(t)
+	return nil
+}
+
+func prepareMultipartFormData(t *models.Transcription) (*bytes.Buffer, *multipart.Writer, error) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("file", t.FileName)
+	if err != nil {
+		log.Error().Err(err).Msg("Error creating form file")
+		return nil, nil, err
+	}
+
+	// Read file from disk
+	filePath := filepath.Join(os.Getenv("UPLOAD_DIR"), t.FileName)
+	file, err := os.Open(filePath)
+	if err != nil {
+		log.Error().Err(err).Msg("Error opening file")
+		return nil, nil, err
+	}
+	defer file.Close()
+
+	_, err = io.Copy(part, file)
+	if err != nil {
+		log.Error().Err(err).Msg("Error copying file")
+		return nil, nil, err
+	}
+
+	err = writer.Close()
+	if err != nil {
+		log.Error().Err(err).Msg("Error closing writer")
+		return nil, nil, err
+	}
+
+	return body, writer, nil
+}

backend/utils/utils.go

@@ -0,0 +1,111 @@
+package utils
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/rs/zerolog/log"
+	"github.com/wader/goutubedl"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+
+	"codeberg.org/pluja/whishper/models"
+)
+
+func SanitizeFilename(filename string) string {
+	// First remove trailing spaces
+	filename = strings.TrimSpace(filename)
+	// Then remove quotes and dots
+	filename = strings.Trim(filename, `"'.`)
+	reg, _ := regexp.Compile("[^a-zA-Z0-9]+")
+	filename = reg.ReplaceAllString(filename, "_")
+	return filename
+}
+
+func DownloadMedia(t *models.Transcription) (string, error) {
+	if t.SourceUrl == "" {
+		log.Debug().Msg("Source URL is empty")
+		return "", fmt.Errorf("source URL is empty")
+	}
+
+	if t.ID == primitive.NilObjectID {
+		log.Debug().Msg("Transcription ID is empty")
+		return "", fmt.Errorf("transcription ID is empty")
+	}
+
+	goutubedl.Path = "yt-dlp"
+	result, err := goutubedl.New(context.Background(), t.SourceUrl, goutubedl.Options{})
+	if err != nil {
+		log.Debug().Err(err).Msg("Error creating goutubedl")
+		return "", err
+	}
+
+	downloadResult, err := result.Download(context.Background(), "best")
+	if err != nil {
+		log.Debug().Err(err).Msg("Error downloading media")
+		return "", err
+	}
+
+	filename := fmt.Sprintf("%v%v%v", t.ID.Hex(), models.FileNameSeparator, result.Info.Title)
+	filename = SanitizeFilename(filename)
+
+	defer downloadResult.Close()
+	f, err := os.Create(filepath.Join(os.Getenv("UPLOAD_DIR"), filename))
+	if err != nil {
+		log.Debug().Err(err).Msg("Error creating file")
+		return "", err
+	}
+	defer f.Close()
+	io.Copy(f, downloadResult)
+
+	return filename, nil
+}
+
+func SendTranscriptionRequest(t *models.Transcription, body *bytes.Buffer, writer *multipart.Writer) (*models.WhisperResult, error) {
+	url := fmt.Sprintf("http://%v/transcribe?model_size=%v&task=%v&language=%v&device=%v", os.Getenv("ASR_ENDPOINT"), t.ModelSize, t.Task, t.Language, t.Device)
+	// Send transcription request to transcription service
+	req, err := http.NewRequest("POST", url, body)
+	if err != nil {
+		log.Debug().Err(err).Msg("Error creating request to transcription service")
+		return nil, err
+	}
+
+	req.Header.Set("Content-Type", writer.FormDataContentType())
+	req.Header.Set("Accept", "application/json")
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		log.Debug().Err(err).Msg("Error sending request")
+		return nil, err
+	}
+	defer resp.Body.Close()
+	b, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Debug().Err(err).Msg("Error reading response body")
+		return nil, err
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		log.Debug().Msgf("Response from %v: %v", url, string(b))
+		log.Debug().Err(err).Msgf("Invalid response status %v:", resp.StatusCode)
+		return nil, errors.New("invalid status")
+	}
+
+	var asrResponse *models.WhisperResult
+	if err := json.Unmarshal(b, &asrResponse); err != nil {
+		log.Debug().Err(err).Msg("Error decoding response")
+		return nil, err
+	}
+
+	return asrResponse, nil
+
+}

docker-compose.yml

@@ -0,0 +1,115 @@
+version: "3.9"
+
+services:
+  mongo:
+    image: mongo
+    restart: always
+    volumes:
+      - ./whishper_data/db_data:/data/db
+      - ./whishper_data/db_data/logs/:/var/log/mongodb/
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: root
+      MONGO_INITDB_ROOT_PASSWORD: example
+    expose:
+      - 27017
+    command: ['--logpath', '/var/log/mongodb/mongod.log']
+    healthcheck:
+      test: mongosh --eval 'db.runCommand("ping").ok' --quiet
+      interval: 15s
+      timeout: 10s
+      retries: 5
+      start_period: 5s
+
+  translate:
+    container_name: whisper-libretranslate
+    image: libretranslate/libretranslate:latest
+    restart: unless-stopped
+    volumes:
+      - ./whishper_data/libretranslate/data:/home/libretranslate/.local/share
+      - ./whishper_data/libretranslate/cache:/home/libretranslate/.local/cache
+    env_file:
+      - .env
+    tty: true
+    environment:
+      LT_DISABLE_WEB_UI: True
+      #LT_UPDATE_MODELS: True
+    expose:
+      - 5000
+    healthcheck:
+      test: ['CMD-SHELL', './venv/bin/python scripts/healthcheck.py']
+      interval: 15s
+      timeout: 10s
+      start_period: 5s
+      retries: 5
+
+  transcription-api:
+    container_name: whisper-api
+    build: ./transcription-api
+    env_file:
+      - .env
+    volumes:
+      - ./whishper_data/whisper_models:/app/models
+      - ./whishper_data/uploads:/app/uploads
+    environment:
+      - WHISPER_MODELS_DIR=/app/models
+      - UPLOAD_DIR=/app/uploads
+    restart: unless-stopped
+    expose:
+      - 8000
+
+  whishper-backend:
+    container_name: whishper-backend
+    build: ./backend
+    env_file:
+      - .env
+    volumes:
+      - ./whishper_data/uploads:/app/uploads
+    restart: unless-stopped
+    depends_on:
+      mongo:
+        condition: service_healthy
+      translate:
+        condition: service_healthy
+      transcription-api:
+        condition: service_healthy
+    healthcheck:
+      test: curl --fail http://localhost:8080/api/transcriptions || exit 1
+      interval: 15s
+      timeout: 10s
+      retries: 5
+      start_period: 5s
+    expose:
+      - 8080
+
+  whishper-frontend:
+    container_name: whishper-web
+    build: 
+      context: ./frontend
+      args:
+        PUBLIC_API_HOST: ${WHISHPER_PUBLIC_URL}
+        PUBLIC_TRANSLATION_API_HOST: ""
+        PUBLIC_INTERNAL_API_HOST: "http://nginx:80"
+    env_file:
+      - .env
+    restart: unless-stopped
+    environment:
+      PUBLIC_INTERNAL_API_HOST: "http://nginx:80"
+      PUBLIC_TRANSLATION_API_HOST: ""
+      PUBLIC_API_HOST: ${WHISHPER_PUBLIC_URL}
+    depends_on:
+      transcription-api:
+        condition: service_healthy
+    expose:
+      - 3000
+
+  nginx:
+    image: nginx:1
+    restart: unless-stopped
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf
+      - ./whishper_data/uploads:/app/uploads
+    depends_on:
+      whishper-backend:
+        condition: service_healthy
+    ports:
+      - 8082:80    

example.env

@@ -0,0 +1,5 @@
+# Libretranslate Configuration
+LT_LOAD_ONLY=es,en,fr
+# Whisper Configuration
+WHISPER_MODELS=tiny,small
+WHISHPER_HOST=localhost:8082

frontend/.dockerignore

@@ -0,0 +1,8 @@
+.env
+node_modules/
+.svelte-kit
+Dockerfile
+.eslintignore
+.eslintrc.js
+.prettierrc
+.gitignore

frontend/.eslintignore

@@ -0,0 +1,13 @@
+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

frontend/.eslintrc.cjs

@@ -0,0 +1,14 @@
+module.exports = {
+	root: true,
+	extends: ['eslint:recommended', 'plugin:svelte/recommended', 'prettier'],
+	parserOptions: {
+		sourceType: 'module',
+		ecmaVersion: 2020,
+		extraFileExtensions: ['.svelte']
+	},
+	env: {
+		browser: true,
+		es2017: true,
+		node: true
+	}
+};

frontend/.gitignore

@@ -0,0 +1,10 @@
+.DS_Store
+node_modules
+build/
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+vite.config.js.timestamp-*
+vite.config.ts.timestamp-*

frontend/.npmrc

@@ -0,0 +1,2 @@
+engine-strict=true
+resolution-mode=highest

frontend/.prettierignore

@@ -0,0 +1,13 @@
+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

frontend/.prettierrc

@@ -0,0 +1,9 @@
+{
+	"useTabs": true,
+	"singleQuote": true,
+	"trailingComma": "none",
+	"printWidth": 100,
+	"plugins": ["prettier-plugin-svelte"],
+	"pluginSearchDirs": ["."],
+	"overrides": [{ "files": "*.svelte", "options": { "parser": "svelte" } }]
+}

frontend/Dockerfile

@@ -0,0 +1,34 @@
+FROM node:alpine as build
+
+ARG PUBLIC_API_HOST
+ARG PUBLIC_TRANSLATION_API_HOST
+ARG PUBLIC_INTERNAL_API_HOST
+
+ENV PUBLIC_API_HOST=$PUBLIC_API_HOST
+ENV PUBLIC_TRANSLATION_API_HOST=$PUBLIC_TRANSLATION_API_HOST
+ENV PUBLIC_INTERNAL_API_HOST=$PUBLIC_INTERNAL_API_HOST
+
+WORKDIR /app
+COPY . .
+RUN yarn
+ENV BODY_SIZE_LIMIT=0
+RUN yarn build
+RUN ls -al
+
+FROM node:alpine as production
+
+ARG PUBLIC_API_HOST
+ARG PUBLIC_TRANSLATION_API_HOST
+ARG PUBLIC_INTERNAL_API_HOST
+
+ENV PUBLIC_API_HOST=$PUBLIC_API_HOST
+ENV PUBLIC_TRANSLATION_API_HOST=$PUBLIC_TRANSLATION_API_HOST
+ENV PUBLIC_INTERNAL_API_HOST=$PUBLIC_INTERNAL_API_HOST
+ENV BODY_SIZE_LIMIT=0
+
+WORKDIR /app
+COPY --from=build /app/package.json ./
+COPY --from=build /app/build/ ./
+RUN yarn --production
+EXPOSE 3000
+CMD [ "node",  "index.js"]

frontend/README.md

@@ -0,0 +1,38 @@
+# create-svelte
+
+Everything you need to build a Svelte project, powered by [`create-svelte`](https://github.com/sveltejs/kit/tree/master/packages/create-svelte).
+
+## Creating a project
+
+If you're seeing this, you've probably already done this step. Congrats!
+
+```bash
+# create a new project in the current directory
+npm create svelte@latest
+
+# create a new project in my-app
+npm create svelte@latest my-app
+```
+
+## Developing
+
+Once you've created a project and installed dependencies with `npm install` (or `pnpm install` or `yarn`), start a development server:
+
+```bash
+npm run dev
+
+# or start the server and open the app in a new browser tab
+npm run dev -- --open
+```
+
+## Building
+
+To create a production version of your app:
+
+```bash
+npm run build
+```
+
+You can preview the production build with `npm run preview`.
+
+> To deploy your app, you may need to install an [adapter](https://kit.svelte.dev/docs/adapters) for your target environment.

frontend/package.json

@@ -0,0 +1,32 @@
+{
+	"name": "frontend",
+	"version": "0.0.1",
+	"private": true,
+	"scripts": {
+		"dev": "vite dev",
+		"build": "vite build",
+		"preview": "vite preview",
+		"lint": "prettier --plugin-search-dir . --check . && eslint .",
+		"format": "prettier --plugin-search-dir . --write ."
+	},
+	"devDependencies": {
+		"@sveltejs/adapter-auto": "^2.0.0",
+		"@sveltejs/adapter-node": "^1.3.1",
+		"@sveltejs/kit": "^1.20.4",
+		"autoprefixer": "^10.4.15",
+		"daisyui": "^3.5.1",
+		"eslint": "^8.28.0",
+		"eslint-config-prettier": "^8.5.0",
+		"eslint-plugin-svelte": "^2.30.0",
+		"postcss": "^8.4.28",
+		"prettier": "^2.8.0",
+		"prettier-plugin-svelte": "^2.10.1",
+		"svelte": "^4.0.5",
+		"tailwindcss": "^3.3.3",
+		"vite": "^4.4.2"
+	},
+	"type": "module",
+	"dependencies": {
+		"svelte-french-toast": "^1.2.0"
+	}
+}

frontend/postcss.config.js

@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

frontend/src/app.css

@@ -0,0 +1,3 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;

frontend/src/app.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en" data-theme="dark">
+	<head>
+		<meta charset="utf-8" />
+		<link rel="icon" href="%sveltekit.assets%/favicon.webp" />
+		<meta name="viewport" content="width=device-width" />
+		<title>Whishper</title>
+		%sveltekit.head%
+	</head>
+	<body data-sveltekit-preload-data="hover">
+		<div style="display: contents">%sveltekit.body%</div>
+	</body>
+</html>

frontend/src/lib/components/Editor.svelte

@@ -0,0 +1,282 @@
+<script>
+	import { onMount, onDestroy } from 'svelte';
+	import { writable } from 'svelte/store';
+	import toast from 'svelte-french-toast';
+	import { editorSettings, currentTranscription, editorHistory } from '$lib/stores';
+	import EditorSettings from './EditorSettings.svelte';
+	import EditorSegment from './EditorSegment.svelte';
+	import { CLIENT_API_HOST } from '$lib/utils';
+
+
+	let language = writable('original');
+
+	// Segments lazy loading
+	let segmentsToShow = 20;
+	function loadMore() {
+		segmentsToShow += 10;
+	}
+	let loadMoreButton;
+
+	async function textFromSegments() {
+		let text = '';
+		if ($language == 'original') {
+			text = $currentTranscription.result.segments
+				.map((segment) => segment.text)
+				.join(' ')
+				.replace(/(\r\n|\n|\r)/gm, ' ');
+		} else {
+			text = $currentTranscription.translations
+				.filter((translation) => translation.targetLanguage == $language)[0]
+				.result.segments.map((segment) => segment.text)
+				.join(' ')
+				.replace(/(\r\n|\n|\r)/gm, ' ');
+		}
+		console.log(text);
+		return text;
+	}
+
+	async function saveChanges() {
+		var url = `${CLIENT_API_HOST}/api/transcriptions`; // replace with your actual endpoint
+		console.log($language)
+		// Update text to match segments
+		if ($language == 'original') {
+			$currentTranscription.result.text = await textFromSegments();
+		} else {
+			$currentTranscription.translations.forEach(async (translation) => {
+				if (translation.targetLanguage == $language) translation.result.text = await textFromSegments();
+			});
+		}
+
+		try {
+			const response = await fetch(url, {
+				method: 'PATCH',
+				headers: {
+					'Content-Type': 'application/json'
+				},
+				body: JSON.stringify($currentTranscription)
+			});
+
+			if (!response.ok) {
+				if (response.status === 304) {
+					if (!$editorSettings.autoSave) {
+						toast('No changes were made!', {
+							icon: '👐'
+						});
+					}
+					return;
+				} else {
+					toast.error("Couldn't save!");
+					throw new Error(`HTTP error! status: ${response.status}`);
+				}
+			}
+
+			if ($editorSettings.autoSave) {
+				toast('Autosaving...', { icon: 'ℹ️' });
+			} else {
+				toast.success('Saved!');
+			}
+		} catch (error) {
+			toast.error("Couldn't save!");
+			console.error('Error:', error);
+		}
+	}
+
+	let handleKeyDown;
+	let observer;
+	onMount(() => {
+		// Lazy loading
+		observer = new IntersectionObserver((entries) => {
+			entries.forEach((entry) => {
+				if (entry.isIntersecting) {
+					loadMore();
+				}
+			});
+		});
+		observer.observe(loadMoreButton);
+
+		// Function to handle Ctrl+Z and Ctrl+S shortcuts
+		editorHistory.set([JSON.parse(JSON.stringify($currentTranscription))]);
+		let isUndoing = false;
+		handleKeyDown = function (e) {
+			// Undo (CTRL+Z)
+			if (e.ctrlKey && e.key === 'z' && !isUndoing) {
+				isUndoing = true;
+				let previousTranscription = null;
+
+				editorHistory.update((history) => {
+					if (history.length > 1) {
+						history = history.slice(0, -1);
+						previousTranscription = { ...history[history.length - 1] };
+					}
+					return history;
+				});
+
+				if (previousTranscription) {
+					$currentTranscription = { ...previousTranscription };
+				}
+				isUndoing = false;
+			}
+
+			let isSaving = false;
+			if (e.ctrlKey && e.key === 's') {
+				e.preventDefault();
+				if (!isSaving) {
+					isSaving = true;
+					saveChanges();
+					isSaving = false;
+				}
+			}
+		};
+
+		if (!$editorSettings.autoSave) {
+			toast('Autosave is disabled.', {
+				icon: '👋'
+			});
+		}
+
+		// Listen to keydown event
+		document.addEventListener('keydown', handleKeyDown);
+	});
+
+	// Autosave
+	let autosaveInterval;
+	let autoSaveAux = $editorSettings.autoSave;
+	$: if ($editorSettings.autoSave) {
+		toast.success('Autosave enabled.');
+		autoSaveAux = true;
+		autosaveInterval = setInterval(() => {
+			saveChanges();
+		}, $editorSettings.autosaveInterval);
+	} else {
+		if (autoSaveAux == true) {
+			toast('Autosave is disabled.', {
+				icon: '👋'
+			});
+			autoSaveAux = false;
+		}
+		clearInterval(autosaveInterval);
+	}
+</script>
+
+{#if $currentTranscription.status != 2}
+	<div class="flex items-center justify-center">
+		<span class="loading loading-spinner loading-lg"></span>
+		<p class="text-center">Waiting for task to finish {$currentTranscription.status == 3 ? "translating" : "transcribing"}...</p>
+	</div>
+{:else}
+<div class="flex flex-col items-center break-words">
+	<h1 class="text-center text-2xl mt-8 break-words">
+		{$currentTranscription.fileName.split('_WHSHPR_')[1]}
+	</h1>
+	<!-- Menu -->
+	<ul class="menu menu-horizontal bg-base-200 rounded-box mt-6">
+		<li>
+			<a href="/" class="tooltip" data-tip="Home">
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="h-5 w-5"
+					fill="none"
+					viewBox="0 0 24 24"
+					stroke="currentColor"
+					><path
+						stroke-linecap="round"
+						stroke-linejoin="round"
+						stroke-width="2"
+						d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6"
+					/></svg
+				>
+			</a>
+		</li>
+		<li>
+			<button on:click={saveChanges} class="tooltip" data-tip="Save (Ctrl+S)">
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="icon icon-tabler icon-tabler-device-floppy"
+					width="24"
+					height="24"
+					viewBox="0 0 24 24"
+					stroke-width="2"
+					stroke="currentColor"
+					fill="none"
+					stroke-linecap="round"
+					stroke-linejoin="round"
+				>
+					<path stroke="none" d="M0 0h24v24H0z" fill="none" />
+					<path d="M6 4h10l4 4v10a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-12a2 2 0 0 1 2 -2" />
+					<path d="M12 14m-2 0a2 2 0 1 0 4 0a2 2 0 1 0 -4 0" />
+					<path d="M14 4l0 4l-6 0l0 -4" />
+				</svg>
+			</button>
+		</li>
+	</ul>
+	<!-- End Menu -->
+
+	{#if $currentTranscription.translations.length > 0}
+		<div class="form-control max-w-xs my-4">
+			<label for="language" class="label">
+				<span class="label-text">Subtitles language</span>
+			</label>
+			<select
+				bind:value={$language}
+				name="language"
+				class="select select-sm select-bordered uppercase"
+			>
+				<option value="original">✅ {$currentTranscription.result.language}</option>
+				{#each $currentTranscription.translations as translation}
+					<option value={translation.targetLanguage}>🤖 {translation.targetLanguage}</option>
+				{/each}
+			</select>
+		</div>
+	{/if}
+</div>
+<div class="mt-4">
+	<!-- Editor configuration -->
+	<EditorSettings />
+	<!-- End Editor configuration -->
+
+	<div class="overflow-x-auto">
+		<!-- Segments table -->
+		<table class="table px-4">
+			<thead>
+				<tr>
+					<th />
+					<th>Start</th>
+					<th>End</th>
+					<th>Text</th>
+					<th>Info</th>
+					<th />
+				</tr>
+			</thead>
+			<tbody>
+				{#if $language == 'original'}
+					{#each $currentTranscription.result.segments.slice(0, segmentsToShow) as segment, index (segment.id)}
+						<EditorSegment {segment} {index} translationIndex={-1} />
+					{/each}
+				{:else}
+					{#each $currentTranscription.translations as translation, translationIndex}
+						{#if translation.targetLanguage == $language}
+							{#each translation.result.segments.slice(0, segmentsToShow) as segment, index (segment.id)}
+								<EditorSegment {segment} {index} {translationIndex} />
+							{/each}
+						{/if}
+					{/each}
+				{/if}
+			</tbody>
+		</table>
+		<button bind:this={loadMoreButton}>
+			{#if $language == 'original'}
+				{#if segmentsToShow >= $currentTranscription.result.segments.length}
+					No more segments to load
+				{:else}
+					Loading more...
+				{/if}
+			{:else if segmentsToShow >= $currentTranscription.translations.filter((translation) => translation.targetLanguage == $language)[0].result.segments.length}
+				No more segments to load
+			{:else}
+				Loading more...
+			{/if}
+		</button>
+		<!-- End Segments table -->
+	</div>
+</div>
+{/if}

frontend/src/lib/components/EditorSegment.svelte

@@ -0,0 +1,354 @@
+<script>
+	import { editorSettings } from '$lib/stores';
+	import { currentVideoPlayerTime, currentTranscription, editorHistory } from '$lib/stores';
+	export let index;
+	export let segment;
+	export let translationIndex;
+
+	let isActive = false;
+
+	function getCps(s) {
+		// Find duration
+		let duration = s.end - s.start;
+
+		// Count characters
+		let charCount = s.text.length;
+
+		// Calculate CPS
+		let cps = charCount / duration;
+
+		// Round to 2 decimals
+		cps = Math.round(cps * 100) / 100;
+		// Truncate to integer
+		return Math.trunc(cps);
+	}
+
+	function deleteSegment(index, callback) {
+		console.log($currentTranscription)
+		const source =
+			translationIndex == -1
+				? $currentTranscription.result.segments
+				: $currentTranscription.translations[translationIndex].result.segments;
+		source.splice(index, 1);
+		// Update index
+		$currentTranscription = { ...$currentTranscription }; // deep copy
+		callback();
+	}
+
+	// This function takes a segment and splits it into two segments at the given index
+	function splitSegment(index, callback) {
+		// Choose the correct source based on translationIndex
+		const source =
+			translationIndex == -1
+				? $currentTranscription.result.segments
+				: $currentTranscription.translations[translationIndex].result.segments;
+
+		const segment = source[index];
+		const words = segment.text.split(' ');
+		const half = Math.ceil(words.length / 2);
+		const firstHalf = words.slice(0, half).join(' ');
+		const secondHalf = words.slice(half).join(' ');
+
+		const duration = segment.end - segment.start;
+		const midTime = segment.start + duration / 2;
+
+		// Update current segment
+		segment.text = firstHalf;
+		segment.end = midTime;
+
+		// Create and insert new segment
+		const newSegment = {
+			id: JSON.stringify(Date.now()),
+			start: midTime,
+			end: segment.end + duration / 2,
+			text: secondHalf,
+			words: []
+		};
+		source.splice(index + 1, 0, newSegment);
+
+		$currentTranscription = { ...$currentTranscription };
+		callback();
+	}
+
+	// Text changes only save after 6 keystrokes
+	let keystrokes = 0;
+	function handleKeystrokes() {
+		keystrokes++;
+		if (keystrokes > 6) {
+			handleHistory();
+			keystrokes = 0;
+		}
+	}
+
+	// Save history on editing
+	function handleHistory() {
+		let currentT = JSON.parse(JSON.stringify($currentTranscription));
+		editorHistory.update((value) => {
+			return [...value, currentT];
+		});
+	}
+
+	function insertSegmentAbove(index, callback) {
+		const source =
+			translationIndex == -1
+				? $currentTranscription.result.segments
+				: $currentTranscription.translations[translationIndex].result.segments;
+		source.splice(index, 0, {
+			id: JSON.stringify(Date.now()),
+			start: 0,
+			end: 0,
+			text: '',
+			words: []
+		});
+		$currentTranscription = { ...$currentTranscription }; // deep copy
+		callback();
+	}
+
+	function insertSegmentBelow(index, callback) {
+		const source =
+			translationIndex == -1
+				? $currentTranscription.result.segments
+				: $currentTranscription.translations[translationIndex].result.segments;
+		source.splice(index + 1, 0, {
+			id: JSON.stringify(Date.now()),
+			start: 0,
+			end: 0,
+			text: '',
+			words: []
+		});
+		$currentTranscription = { ...$currentTranscription }; // deep copy
+		callback();
+	}
+
+	$: if (segment.start <= $currentVideoPlayerTime && $currentVideoPlayerTime <= segment.end) {
+		isActive = true;
+	} else {
+		isActive = false;
+	}
+</script>
+
+<tr class:bg-warning={isActive} class:bg-opacity-30={isActive} data-start={segment.start}>
+	<th>{index}</th>
+	<td class="space-x-2">
+		<!-- Start input -->
+		<input
+			class="w-20 input input-sm input-bordered"
+			type="number"
+			step="0.01"
+			bind:value={segment.start}
+			on:input={(e) => ($currentVideoPlayerTime.set(e.target.value))}
+			on:input={handleHistory}
+			on:click={(e) => {
+				if ($editorSettings.seekOnClick) $currentVideoPlayerTime = e.target.value;
+			}}
+		/>
+		<span class="tooltip" data-tip="Set to current time">
+			<button
+				on:click={() => {
+					segment.start = $currentVideoPlayerTime;
+					handleHistory();
+				}}
+				class="btn btn-xs btn-primary"
+			>
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="w-4 h-4 stroke-white"
+					width="24"
+					height="24"
+					viewBox="0 0 24 24"
+					stroke-width="2"
+					stroke="currentColor"
+					fill="none"
+					stroke-linecap="round"
+					stroke-linejoin="round"
+				>
+					<path stroke="none" d="M0 0h24v24H0z" fill="none" />
+					<path d="M12 7v5l2 2" />
+					<path d="M17 22l5 -3l-5 -3z" />
+					<path d="M13.017 20.943a9 9 0 1 1 7.831 -7.292" />
+				</svg>
+			</button>
+		</span>
+	</td>
+	<td class="space-x-2">
+		<!-- End input -->
+		<input
+			class="w-20 input input-sm input-bordered"
+			type="number"
+			step="0.01"
+			bind:value={segment.end}
+			on:input={(e) => ($currentVideoPlayerTime = e.target.value)}
+			on:input={handleHistory}
+			on:click={(e) => {
+				if ($editorSettings.seekOnClick) $currentVideoPlayerTime = e.target.value;
+			}}
+		/>
+		<span class="tooltip" data-tip="Set to current time">
+			<button
+				on:click={() => {
+					segment.end = $currentVideoPlayerTime;
+					handleHistory();
+				}}
+				class="btn btn-xs btn-primary"
+			>
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="w-4 h-4 stroke-white"
+					width="24"
+					height="24"
+					viewBox="0 0 24 24"
+					stroke-width="2"
+					stroke="currentColor"
+					fill="none"
+					stroke-linecap="round"
+					stroke-linejoin="round"
+				>
+					<path stroke="none" d="M0 0h24v24H0z" fill="none" />
+					<path d="M12 7v5l2 2" />
+					<path d="M17 22l5 -3l-5 -3z" />
+					<path d="M13.017 20.943a9 9 0 1 1 7.831 -7.292" />
+				</svg>
+			</button>
+		</span>
+	</td>
+	<td>
+		<!-- Text input -->
+		<div
+			bind:textContent={segment.text}
+			on:input={handleKeystrokes}
+			class="border-2 font-mono font-bold rounded-lg p-3 max-w-md bg-base-100"
+			class:border-error={getCps(segment) > 16}
+			contenteditable="true"
+		/>
+	</td>
+	<td>
+		<div>
+			<span class="flex flex-col text-xs flex-grow">
+				<span class:text-error={getCps(segment) > 16}>
+					<span class="whitespace-nowrap font-mono font-bold">
+						CPS: {getCps(segment)}
+					</span>
+				</span>
+				<span>
+					<span class="whitespace-nowrap font-mono font-bold">
+						Duration: {Math.round((segment.end - segment.start) * 100) / 100}s
+					</span>
+				</span>
+			</span>
+		</div>
+	</td>
+	<td
+		class="space-x-1 flex flex-col items-center justify-center space-y-2 md:space-y-0 align-middle lg:flex-row"
+	>
+		<!-- Add above -->
+		<span class="tooltip" data-tip="Insert Above">
+			<button
+				on:click={() => insertSegmentAbove(index, handleHistory)}
+				class="btn btn-primary btn-xs md:btn-sm btn-square"
+			>
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="w-5 h-5"
+					width="24"
+					height="24"
+					viewBox="0 0 24 24"
+					stroke-width="2"
+					stroke="currentColor"
+					fill="none"
+					stroke-linecap="round"
+					stroke-linejoin="round"
+				>
+					<path stroke="none" d="M0 0h24v24H0z" fill="none" />
+					<path
+						d="M20 6v4a1 1 0 0 1 -1 1h-14a1 1 0 0 1 -1 -1v-4a1 1 0 0 1 1 -1h14a1 1 0 0 1 1 1z"
+					/>
+					<path d="M12 15l0 4" />
+					<path d="M14 17l-4 0" />
+				</svg>
+			</button>
+		</span>
+		<!-- Add below -->
+		<span class="tooltip" data-tip="Insert Below">
+			<button
+				on:click={() => insertSegmentBelow(index, handleHistory)}
+				class="btn btn-primary btn-xs md:btn-sm btn-square"
+			>
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="w-5 h-5"
+					width="24"
+					height="24"
+					viewBox="0 0 24 24"
+					stroke-width="2"
+					stroke="currentColor"
+					fill="none"
+					stroke-linecap="round"
+					stroke-linejoin="round"
+				>
+					<path stroke="none" d="M0 0h24v24H0z" fill="none" />
+					<path
+						d="M4 18v-4a1 1 0 0 1 1 -1h14a1 1 0 0 1 1 1v4a1 1 0 0 1 -1 1h-14a1 1 0 0 1 -1 -1z"
+					/>
+					<path d="M12 9v-4" />
+					<path d="M10 7l4 0" />
+				</svg>
+			</button>
+		</span>
+		<!-- Split -->
+		<span class="tooltip" data-tip="Split segment">
+			<button
+				on:click={() => splitSegment(index, handleHistory)}
+				class="btn btn-primary btn-xs md:btn-sm btn-square"
+			>
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="icon icon-tabler icon-tabler-arrows-split"
+					width="24"
+					height="24"
+					viewBox="0 0 24 24"
+					stroke-width="2"
+					stroke="currentColor"
+					fill="none"
+					stroke-linecap="round"
+					stroke-linejoin="round"
+				>
+					<path stroke="none" d="M0 0h24v24H0z" fill="none" />
+					<path d="M21 17h-8l-3.5 -5h-6.5" />
+					<path d="M21 7h-8l-3.495 5" />
+					<path d="M18 10l3 -3l-3 -3" />
+					<path d="M18 20l3 -3l-3 -3" />
+				</svg>
+			</button>
+		</span>
+		<!-- Delete -->
+		<button
+			on:click={deleteSegment(index, handleHistory)}
+			class="btn btn-error btn-xs md:btn-sm btn-square"
+		>
+			<svg
+				xmlns="http://www.w3.org/2000/svg"
+				class="w-5 h-5"
+				width="24"
+				height="24"
+				viewBox="0 0 24 24"
+				stroke-width="2"
+				stroke="currentColor"
+				fill="none"
+				stroke-linecap="round"
+				stroke-linejoin="round"
+			>
+				<path stroke="none" d="M0 0h24v24H0z" fill="none" />
+				<path
+					d="M20 6a1 1 0 0 1 .117 1.993l-.117 .007h-.081l-.919 11a3 3 0 0 1 -2.824 2.995l-.176 .005h-8c-1.598 0 -2.904 -1.249 -2.992 -2.75l-.005 -.167l-.923 -11.083h-.08a1 1 0 0 1 -.117 -1.993l.117 -.007h16zm-9.489 5.14a1 1 0 0 0 -1.218 1.567l1.292 1.293l-1.292 1.293l-.083 .094a1 1 0 0 0 1.497 1.32l1.293 -1.292l1.293 1.292l.094 .083a1 1 0 0 0 1.32 -1.497l-1.292 -1.293l1.292 -1.293l.083 -.094a1 1 0 0 0 -1.497 -1.32l-1.293 1.292l-1.293 -1.292l-.094 -.083z"
+					stroke-width="0"
+					fill="currentColor"
+				/>
+				<path
+					d="M14 2a2 2 0 0 1 2 2a1 1 0 0 1 -1.993 .117l-.007 -.117h-4l-.007 .117a1 1 0 0 1 -1.993 -.117a2 2 0 0 1 1.85 -1.995l.15 -.005h4z"
+					stroke-width="0"
+					fill="currentColor"
+				/>
+			</svg>
+		</button>
+	</td>
+</tr>

frontend/src/lib/components/EditorSettings.svelte

@@ -0,0 +1,22 @@
+<script>
+    import { editorSettings } from '$lib/stores';
+</script>
+
+<div class="flex flex-row items-center justify-center p-3 space-x-4 m-2">
+    <div
+        class="form-control tooltip"
+        data-tip="When clicking a timestamp input, seek the video to that position."
+    >
+        <label class="label cursor-pointer space-x-2">
+            <span class="label-text">Seek on click</span>
+            <input bind:checked={$editorSettings.seekOnClick} type="checkbox" class="checkbox checkbox-sm" />
+        </label>
+    </div>
+
+    <div class="form-control tooltip" data-tip="Automatically save changes every 30s.">
+        <label class="label cursor-pointer space-x-2">
+            <span class="label-text">Autosave</span>
+            <input bind:checked={$editorSettings.autoSave} type="checkbox" class="checkbox checkbox-sm" />
+        </label>
+    </div>
+</div>

frontend/src/lib/components/ErrorTranscription.svelte

@@ -0,0 +1,16 @@
+<script>
+    import {deleteTranscription} from "$lib/utils.js";
+    export let tr;
+</script>
+
+
+<div class="alert alert-error p-3">
+    <svg xmlns="http://www.w3.org/2000/svg" class="stroke-current shrink-0 h-6 w-6" fill="none" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 14l2-2m0 0l2-2m-2 2l-2-2m2 2l2 2m7-2a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+    <span>
+        <p class="font-bold text-info-content text-md">id-{tr.id}</p>
+        <p class="font-mono text-info-content text-sm opacity-70">Failed: Could not transcribe.</p>
+    </span>
+    <div>
+        <button on:click={deleteTranscription(tr.id)} class="btn btn-sm">Delete</button>
+    </div>
+</div>

frontend/src/lib/components/ModalDownloadOptions.svelte

@@ -0,0 +1,161 @@
+<script>
+    import {downloadSRT, downloadTXT, downloadJSON, downloadVTT, CLIENT_API_HOST} from '$lib/utils';
+    import toast from 'svelte-french-toast';
+    export let tr;
+
+    let subtitleFormat = "srt";
+    let language = "original";
+
+    function downloadSubtitle() {
+        console.log("download subtitle");
+        let segments = [];
+        let text = "";
+
+        console.log(language)
+        if (language == "original") {
+            segments = tr.result.segments;
+            text = tr.result.text;
+        } else {
+            for (const translation of tr.translations) {
+                if (translation.targetLanguage == language) {
+                    segments = translation.result.segments;
+                    text = translation.result.text;
+                    break;
+                }
+            }
+        }
+        
+        if (segments.length == 0 || text == "") {
+            toast.error("No data available for download");
+            return;
+        }
+
+        if (subtitleFormat == "srt") {
+            downloadSRT(segments);
+        } else if (subtitleFormat == "vtt") {
+            downloadVTT(segments);
+        } else if (subtitleFormat == "json") {
+            downloadJSON(tr.result);
+        } else if (subtitleFormat == "txt") {
+            downloadTXT(text);
+        }
+    }
+
+    function downloadMedia() {
+        let link = document.createElement('a');
+        link.href = `${CLIENT_API_HOST}/api/video/${tr.fileName}`;
+        link.target = "_blank";
+        link.download = tr.fileName.split('_WHSHPR_')[1]+".mp4";
+        link.click();
+    }
+
+    async function copyText() {
+        console.log("copy text");
+        let text = "";
+        if (language == "original") {
+            text = tr.result.text;
+        } else {
+            for (const translation of tr.translations) {
+                console.log(translation.targetLanguage == language)
+                if (translation.targetLanguage == language) {
+                    text = translation.result.text;
+                    break;
+                }
+            }
+        }
+        // Copy tr.result.text to clipboard
+        try {
+            await navigator.clipboard.writeText(text);
+            console.log('Text copied to clipboard');
+            toast.success('Text copied to clipboard');
+        } catch (err) {
+            console.error('Error in copying text: ', err);
+        }
+    }
+</script>
+
+<dialog id="modalDownloadOptions" class="modal">
+    <form method="dialog" class="modal-box flex flex-col items-center justify-center">
+        <button class="btn btn-sm btn-circle btn-ghost absolute right-2 top-2">✕</button>
+        {#if tr}
+        <h1 class="text-center font-bold mt-2 pb-2">Download Options</h1>
+
+        <div class="flex flex-row space-x-4">
+            <div class="form-control">
+                <label for="format" class="label">
+                    <span class="label-text font-bold">File Format</span>
+                </label>
+                <select bind:value={subtitleFormat} name="format" class="select select-bordered w-full max-w-xs">
+                    <option value="srt">SRT</option>
+                    <option value="vtt">VTT</option>
+                    <option value="json">JSON</option>
+                    <option value="txt">TXT</option>
+                </select>
+            </div>
+    
+            <div class="form-control">
+                <label for="language" class="label">
+                    <span class="label-text font-bold">Text Language</span>
+                </label>
+                <select bind:value={language} name="language" class="select select-bordered w-full max-w-xs uppercase">
+                    <option value="original">✅ {tr.result.language}</option>
+                    {#each tr.translations as translation}
+                        <option value="{translation.targetLanguage}">🤖 {translation.targetLanguage}</option>
+                    {/each}
+                </select>
+            </div>
+        </div>
+
+        <div class="space-x-2 mt-8">
+            <span class="tooltip" data-tip="Download {subtitleFormat} file in {language}.">
+                <button on:click={downloadSubtitle} class="btn btn-sm btn-success">
+                    <svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-download" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                        <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                        <path d="M4 17v2a2 2 0 0 0 2 2h12a2 2 0 0 0 2 -2v-2"></path>
+                        <path d="M7 11l5 5l5 -5"></path>
+                        <path d="M12 4l0 12"></path>
+                    </svg>
+                    <span>
+                        File
+                    </span>
+                </button>
+            </span>
+            <span class="tooltip" data-tip="Copy raw text in '{language}' language.">
+                <button on:click={copyText} class="btn btn-sm btn-info">
+                    <svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                        <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                        <path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path>
+                        <path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path>
+                     </svg>
+                     <span>
+                         Copy
+                     </span>
+                </button>
+            </span>
+            <span class="tooltip" data-tip="Download source media">
+                <button on:click={downloadMedia} class="btn btn-sm btn-error">
+                    <svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-file-download" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                        <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                        <path d="M14 3v4a1 1 0 0 0 1 1h4"></path>
+                        <path d="M17 21h-10a2 2 0 0 1 -2 -2v-14a2 2 0 0 1 2 -2h7l5 5v11a2 2 0 0 1 -2 2z"></path>
+                        <path d="M12 17v-6"></path>
+                        <path d="M9.5 14.5l2.5 2.5l2.5 -2.5"></path>
+                    </svg>
+                    <span>
+                        Media
+                    </span>
+                </button>
+            </span>
+        </div>
+        {:else}
+            <div class="flex items-center justify-center w-screen h-screen">
+                <h1>
+                    <span class="loading loading-bars loading-lg" />
+                </h1>
+            </div>
+        {/if}
+    </form>
+    <form method="dialog" class="modal-backdrop">
+        <button>close</button>
+    </form>
+</dialog>

frontend/src/lib/components/ModalTranscriptionForm.svelte

@@ -0,0 +1,183 @@
+<script>
+	import { validateURL, CLIENT_API_HOST } from '$lib/utils.js';
+
+	import toast from 'svelte-french-toast';
+
+	let errorMessage = '';
+	let disableSubmit = true;
+	let modelSize = 'small';
+	let language = 'auto';
+	let sourceUrl = '';
+	let fileInput;
+
+	let languages = [
+		'auto',
+		'ar',
+		'be',
+		'bg',
+		'bn',
+		'ca',
+		'cs',
+		'cy',
+		'da',
+		'de',
+		'el',
+		'en',
+		'es',
+		'fr',
+		'it',
+		'jp',
+		'nl',
+		'pl',
+		'pt',
+		'ru',
+		'sk',
+		'sl',
+		'sv',
+		'tk',
+		'tr',
+		'zh'
+	];
+	let models = [
+		'tiny',
+		'tiny.en',
+		'base',
+		'base.en',
+		'small',
+		'small.en',
+		'medium',
+		'medium.en',
+		'large-v2'
+	];
+	// Sort the languages
+	languages.sort((a, b) => {
+		if (a == 'auto') return -1;
+		if (b == 'auto') return 1;
+		return a.localeCompare(b);
+	});
+
+	// Function that sends the data as a form to the backend
+	async function sendForm() {
+		if (sourceUrl && !validateURL(sourceUrl)) {
+			toast.error('You must enter a valid URL.');
+			return;
+		}
+
+		if (!sourceUrl && !fileInput) {
+			toast.error('No file or URL.');
+			return;
+		}
+
+		let formData = new FormData();
+		formData.append('language', language);
+		formData.append('modelSize', modelSize);
+		formData.append('sourceUrl', sourceUrl);
+		if (sourceUrl == '') {
+			formData.append('file', fileInput.files[0]);
+		}
+
+		const res = await fetch(`${CLIENT_API_HOST}/api/transcriptions`, {
+			method: 'POST',
+			body: formData
+		});
+
+		// Set file and sourceUrl to empty
+		sourceUrl = '';
+		fileInput.value = '';
+
+		toast.success('Success!');
+	}
+
+	// Reactive statement
+	$: if (sourceUrl && !validateURL(sourceUrl)) {
+		errorMessage = 'Enter a valid URL';
+		disableSubmit = true;
+	} else {
+		errorMessage = '';
+		disableSubmit = false;
+	}
+</script>
+
+<dialog id="modalNewTranscription" class="modal">
+	<form method="dialog" class="modal-box">
+		<button class="btn btn-sm btn-circle btn-ghost absolute right-2 top-2">✕</button>
+		{#if errorMessage != ''}
+			<div class="alert alert-error">
+				<svg
+					xmlns="http://www.w3.org/2000/svg"
+					class="stroke-current shrink-0 h-6 w-6"
+					fill="none"
+					viewBox="0 0 24 24"
+					><path
+						stroke-linecap="round"
+						stroke-linejoin="round"
+						stroke-width="2"
+						d="M10 14l2-2m0 0l2-2m-2 2l-2-2m2 2l2 2m7-2a9 9 0 11-18 0 9 9 0 0118 0z"
+					/></svg
+				>
+				<span>{errorMessage}</span>
+			</div>
+		{/if}
+		<div class="space-y-2 mt-0">
+			<div class="form-control w-full max-w-xs">
+				<label for="file" class="label">
+					<span class="label-text">Pick a file</span>
+				</label>
+				<input
+					name="file"
+					bind:this={fileInput}
+					type="file"
+					class="file-input file-input-sm file-input-bordered file-input-primary w-full max-w-xs"
+				/>
+			</div>
+
+			<div class="form-control w-full max-w-xs">
+				<label for="sourceUrl" class="label">
+					<span class="label-text">Or a source URL</span>
+				</label>
+				<input
+					name="sourceUrl"
+					bind:value={sourceUrl}
+					type="text"
+					placeholder="https://youtube.com/watch?v=Hd33fCdW"
+					class="input input-sm input-bordered input-primary w-full max-w-xs"
+				/>
+			</div>
+		</div>
+
+		<div class="divider mb-0" />
+		<!-- Whisper Configuration -->
+		<div class="flex space-x-4">
+			<div class="form-control w-full max-w-xs">
+				<label for="modelSize" class="label">
+					<span class="label-text">Whisper model</span>
+				</label>
+				<select name="modelSize" bind:value={modelSize} class="select select-bordered">
+					{#each models as m}
+						<option value={m}>{m}</option>
+					{/each}
+				</select>
+			</div>
+
+			<div class="form-control w-full max-w-xs">
+				<label for="language" class="label">
+					<span class="label-text">Language</span>
+				</label>
+				<select name="language" bind:value={language} class="select select-bordered">
+					{#each languages as l}
+						<option value={l}>{l}</option>
+					{/each}
+				</select>
+			</div>
+		</div>
+
+		<div class="divider mb-0" />
+		<!--Actions-->
+		<button class="btn btn-wide btn-primary" on:click={sendForm} disabled={disableSubmit}
+			>Start</button
+		>
+	</form>
+    <form method="dialog" class="modal-backdrop">
+        <button>close</button>
+    </form>
+</dialog>

frontend/src/lib/components/ModalTranslationForm.svelte

@@ -0,0 +1,85 @@
+<script>
+    import { onMount } from 'svelte';
+    import toast from 'svelte-french-toast';
+    import { CLIENT_API_HOST } from '$lib/utils';
+    import { PUBLIC_TRANSLATION_API_HOST } from '$env/static/public';
+    export let tr;
+
+    let targetLanguage = null;
+
+    let availableLanguages = [];
+    const getAvailableLangs = () => {
+        const fetchLanguages = () => {
+            fetch(`${PUBLIC_TRANSLATION_API_HOST}/languages`)
+            .then(res => res.json())
+            .then(data => {
+                if (data) {
+                    availableLanguages = data;
+                    console.log(availableLanguages)
+                    // Languages fetched successfully, stop trying
+                    clearInterval(fetchLanguagesInterval);
+                }
+            });
+        };
+
+        // Fetch languages repeatedly until successful
+        const fetchLanguagesInterval = setInterval(fetchLanguages, 5000);
+        fetchLanguages();
+    };
+
+    const handleTranslate = (id) => {
+        if(targetLanguage) {
+            const url = `${CLIENT_API_HOST}/api/translate/${id}/${targetLanguage}`;
+            fetch(url)
+            .then(() => toast.success('Translation started!'))
+            .catch(error => {
+                console.error(error);
+                toast.error('Error translating text!')
+            });
+        }
+    }
+
+
+    onMount(async () => {
+        await getAvailableLangs();
+    });
+</script>
+
+<dialog id="modalTranslation" class="modal">
+    <form method="dialog" class="modal-box flex flex-col items-center justify-center">
+        <button class="btn btn-sm btn-circle btn-ghost absolute right-2 top-2">✕</button>
+        {#if tr}
+            <h1 class="text-center font-bold mt-2 pb-2">
+                Translate
+            </h1>
+            <div>
+                <!-- Language picker -->
+                <div class="form-control w-full max-w-xs">
+                    <label for="target-lan" class="label">
+                      <span class="label-text">Target language</span>
+                    </label>
+                    <select bind:value={targetLanguage} name="target-lan" class="select select-bordered">
+                      <option disabled selected>Pick one</option>
+                      <!-- Iterate all available languages -->
+                      {#each availableLanguages as lan}
+                        <!-- When we find the source language -->
+                        {#if lan.code == tr.result.language}
+                            <!-- Iterate all possible target languages -->
+                            {#each lan.targets as t}
+                                {#if t != tr.result.language}
+                                    <option value="{t}">{t}</option>
+                                {/if}
+                            {/each}
+                        {/if}
+                      {/each}
+                    </select>
+                </div>
+                <!-- End language picker-->
+                <button on:click={handleTranslate(tr.id)} class="btn btn-active btn-primary mt-5">Translate</button>
+            </div>
+        {/if}
+    </form>
+    <form method="dialog" class="modal-backdrop">
+        <button>close</button>
+    </form>
+</dialog>

frontend/src/lib/components/PendingTranscription.svelte

@@ -0,0 +1,11 @@
+<script>
+    export let tr;
+</script>
+
+<div class="alert alert-info p-3">
+    <span class="loading loading-ring loading-md"></span>
+    <span>
+        <p class="font-bold text-info-content text-md">{tr.fileName != "" ? tr.fileName.split("_WHSHPR_")[1] : tr.id}</p>
+        <p class="font-mono text-info-content text-sm opacity-60">Waiting for transcription...</p>
+    </span>
+</div>

frontend/src/lib/components/PendingTranslation.svelte

@@ -0,0 +1,25 @@
+<script>
+    export let tr;
+</script>
+
+<div class="alert alert-info p-3">
+    <span class="loading loading-dots loading-md"></span>
+    <span>
+        <p class="font-bold text-info-content text-md flex items-center justify-center space-x-2">
+            <svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-language-hiragana" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                <path d="M4 5h7"></path>
+                <path d="M7 4c0 4.846 0 7 .5 8"></path>
+                <path d="M10 8.5c0 2.286 -2 4.5 -3.5 4.5s-2.5 -1.135 -2.5 -2c0 -2 1 -3 3 -3s5 .57 5 2.857c0 1.524 -.667 2.571 -2 3.143"></path>
+                <path d="M12 20l4 -9l4 9"></path>
+                <path d="M19.1 18h-6.2"></path>
+            </svg>
+            <span>{tr.fileName != "" ? tr.fileName.split("_WHSHPR_")[1] : tr.id}</span>
+        </p>
+        <p class="opacity-60">
+            <span class="font-mono text-info-content text-sm ">
+                Waiting for translation...
+            </span>
+        </p>
+    </span>
+</div>

frontend/src/lib/components/SuccessTranscription.svelte

@@ -0,0 +1,75 @@
+<!-- SuccessTranscription.svelte -->
+<script>
+    import {createEventDispatcher} from 'svelte';
+    import {deleteTranscription} from "$lib/utils.js";
+    export let tr;
+
+    const dispatch = createEventDispatcher();
+    let download = () => {
+        dispatch('download', tr); // emit a custom event with the transcription as detail
+    }
+    let translate = () => {
+        dispatch('translate', tr); // emit a custom event with the transcription as detail
+    }
+</script>
+
+<div class="alert alert-success p-3">
+    <svg xmlns="http://www.w3.org/2000/svg" class="stroke-current shrink-0 h-6 w-6" fill="none" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+    <span>
+        <p class="font-bold text-info-content text-md">{tr.fileName.split("_WHSHPR_")[1]}</p>
+        <p class="font-mono text-info-content text-sm opacity-60 flex space-x-2 md:space-x-4 lg:space-x-8">
+            <span class="space-x-1">
+                <span class="font-bold text-xs">~{Math.round(tr.result.duration)}s long</span>
+            </span>
+            <span class="space-x-1">
+                <span class="font-bold text-xs">{tr.translations.length} translations</span>
+            </span>
+            <span class="space-x-1">
+                <span class="font-bold text-xs">{tr.result.text.split(" ").length} words</span>
+            </span>
+        </p>
+    </span>
+    <div class="flex items-center justify-center flex-wrap space-x-2">
+        <a href="/editor/{tr.id}" class="btn btn-xs md:btn-sm">
+            <span class="tooltip flex items-center justify-center" data-tip="Edit">
+                <svg xmlns="http://www.w3.org/2000/svg" class="w-4 h-4" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                    <path d="M12 15l8.385 -8.415a2.1 2.1 0 0 0 -2.97 -2.97l-8.415 8.385v3h3z"></path>
+                    <path d="M16 5l3 3"></path>
+                    <path d="M9 7.07a7 7 0 0 0 1 13.93a7 7 0 0 0 6.929 -6"></path>
+                 </svg>
+            </span>
+        </a>
+        <button  on:click={download} onclick="modalDownloadOptions.showModal()" class="btn btn-xs md:btn-sm">
+            <span class="tooltip flex items-center justify-center" data-tip="Download">
+                <svg xmlns="http://www.w3.org/2000/svg" class="w-4 h-4" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                    <path d="M4 17v2a2 2 0 0 0 2 2h12a2 2 0 0 0 2 -2v-2"></path>
+                    <path d="M7 11l5 5l5 -5"></path>
+                    <path d="M12 4l0 12"></path>
+                 </svg>
+            </span>
+        </button>
+        <button on:click={translate} class="btn btn-xs md:btn-sm btn-primary">
+            <span class="tooltip flex items-center justify-center" data-tip="Translate">
+                <svg xmlns="http://www.w3.org/2000/svg" class="w-4 h-4" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                    <path d="M4 5h7"></path>
+                    <path d="M7 4c0 4.846 0 7 .5 8"></path>
+                    <path d="M10 8.5c0 2.286 -2 4.5 -3.5 4.5s-2.5 -1.135 -2.5 -2c0 -2 1 -3 3 -3s5 .57 5 2.857c0 1.524 -.667 2.571 -2 3.143"></path>
+                    <path d="M12 20l4 -9l4 9"></path>
+                    <path d="M19.1 18h-6.2"></path>
+                </svg>
+            </span>
+        </button>
+        <button on:click={deleteTranscription(tr.id)} class="btn btn-xs md:btn-sm btn-error">
+            <span class="tooltip flex items-center justify-center" data-tip="Delete">
+                <svg xmlns="http://www.w3.org/2000/svg" class="w-4 h-4" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+                    <path d="M20 6a1 1 0 0 1 .117 1.993l-.117 .007h-.081l-.919 11a3 3 0 0 1 -2.824 2.995l-.176 .005h-8c-1.598 0 -2.904 -1.249 -2.992 -2.75l-.005 -.167l-.923 -11.083h-.08a1 1 0 0 1 -.117 -1.993l.117 -.007h16zm-9.489 5.14a1 1 0 0 0 -1.218 1.567l1.292 1.293l-1.292 1.293l-.083 .094a1 1 0 0 0 1.497 1.32l1.293 -1.292l1.293 1.292l.094 .083a1 1 0 0 0 1.32 -1.497l-1.292 -1.293l1.292 -1.293l.083 -.094a1 1 0 0 0 -1.497 -1.32l-1.293 1.292l-1.293 -1.292l-.094 -.083z" stroke-width="0" fill="currentColor"></path>
+                    <path d="M14 2a2 2 0 0 1 2 2a1 1 0 0 1 -1.993 .117l-.007 -.117h-4l-.007 .117a1 1 0 0 1 -1.993 -.117a2 2 0 0 1 1.85 -1.995l.15 -.005h4z" stroke-width="0" fill="currentColor"></path>
+                </svg>
+            </span>
+        </button>
+    </div>
+</div>

frontend/src/lib/index.js

@@ -0,0 +1 @@
+// place files you want to import through the `$lib` alias in this folder.

frontend/src/lib/stores.js

@@ -0,0 +1,25 @@
+import { writable } from 'svelte/store';
+
+// contains all transcriptions
+export const transcriptions = writable([]);
+
+// contains the current editing transcription
+export const currentTranscription = writable();
+
+// transcription to be downloaded
+export const downloadTranscription = writable(null);
+
+// Editor history
+
+export const editorHistory = writable([]);
+
+// editor settings
+export let editorSettings = writable({
+    autosave: false,
+    autosaveInterval: 30000,
+    autosaveNotify: true,
+    seekOnClick: true,
+});
+
+// Video player settings
+export const currentVideoPlayerTime = writable(0);

frontend/src/lib/types.ts

@@ -0,0 +1,30 @@
+export type Transcription = {
+    language: string;
+    duration: number;
+    segments: Segment[];
+    id: string;
+    translations: Translation[];
+}
+
+export type Segment = {
+    start: number;
+    end: number;
+    text: string;
+    score: number;
+    uuid: string;
+    words?: WordData[];
+};
+
+type WordData = {
+    start: number;
+    end: number;
+    text: string;
+    score: number;
+};
+
+type Translation = {
+    sourceLanguage: string;
+    targetLanguage: string;
+    text: string;
+    segments: Segment[];
+};

frontend/src/lib/utils.js

@@ -0,0 +1,120 @@
+import {transcriptions} from './stores';
+import { PUBLIC_API_HOST } from '$env/static/public';
+import { dev } from '$app/environment';
+
+export const CLIENT_API_HOST = `${dev ? PUBLIC_API_HOST : ""}`;
+export const CLIENT_WS_HOST = `${dev ? PUBLIC_API_HOST.replace("http://", "").replace("https://", "") : ""}`;
+
+// URL Validator
+export const validateURL = function (url) {
+    try {
+        new URL(url);
+        return true;
+    } catch (e) {
+        return false;
+    }
+}
+
+export const deleteTranscription = async function (id) {
+    const res = await fetch(`${CLIENT_API_HOST}/api/transcriptions/${id}`, {
+        method: "DELETE"
+    });
+
+    if (res.ok) {
+        transcriptions.update((_transcriptions) => _transcriptions.filter(t => t.id !== id));
+    }
+}
+
+export const getRandomSentence = function () {
+    const sentences = [
+        "Audio in, text out. What's your sound about?",
+        "Drop the beat, I'll drop the text!",
+        "Everybody knows the bird is the word!",
+        "From soundcheck to spellcheck!",
+        "I got 99 problems but transcribing ain't one!",
+        "I'm all ears!",
+        "iTranscribe, you dictate!",
+        "Lost for words?",
+        "Sound check 1, 2, 3...",
+        "Sound's up! What's your script?",
+        "Transcribe, transcribe, transcribe!",
+        "What are you transcribing today?",
+        "What's the story, morning wordy?",
+        "Words, don't come easy, but I can help find the way.",
+        "You speak, I write. It's no magic, just AI!",
+        "Can't understand that language? I can translate!",
+        "I mean every word I say!"
+    ]
+
+    const randomSentence = sentences[Math.floor(Math.random() * sentences.length)];
+
+    return randomSentence;
+}
+
+// Expects a segments array with start, end and text properties
+export const downloadSRT = function (jsonData) {
+    let srtContent = '';
+    
+    jsonData.forEach((segment, index) => {
+        let startSeconds = Math.floor(segment.start);
+        let startMillis = Math.floor((segment.start - startSeconds) * 1000);
+        let start = new Date(startSeconds * 1000 + startMillis).toISOString().substr(11, 12);
+        let endSeconds = Math.floor(segment.end);
+        let endMillis = Math.floor((segment.end - endSeconds) * 1000);
+        let end = new Date(endSeconds * 1000 + endMillis).toISOString().substr(11, 12);
+    
+        srtContent += `${index + 1}\n${start} --> ${end}\n${segment.text}\n\n`;
+    });
+  
+    let srtBlob = new Blob([srtContent], {type: 'text/plain'});
+    let url = URL.createObjectURL(srtBlob);
+    let link = document.createElement('a');
+    link.href = url;
+    link.download = 'subtitles.srt';
+    link.click();
+}
+
+// Downloads received text as a TXT file
+export const downloadTXT = function (text) {
+    let srtBlob = new Blob([text], {type: 'text/plain'});
+    let url = URL.createObjectURL(srtBlob);
+    let link = document.createElement('a');
+    link.href = url;
+    link.download = 'subtitles.txt';
+    link.click();
+}
+
+// Downloads received JSON data as a JSON file
+export const downloadJSON = function (jsonData) {
+    let srtBlob = new Blob([JSON.stringify(jsonData)], {type: 'text/plain'});
+    let url = URL.createObjectURL(srtBlob);
+    let link = document.createElement('a');
+    link.href = url;
+    link.download = 'subtitles.json';
+    link.click();
+}
+
+// Expects a segments array with start, end and text properties
+export const downloadVTT = function (jsonData) {
+    let vttContent = 'WEBVTT\n\n'; // VTT files start with "WEBVTT" line
+  
+    jsonData.forEach((segment, index) => {
+      let startSeconds = Math.floor(segment.start);
+      let startMillis = Math.floor((segment.start - startSeconds) * 1000);
+      let start = new Date(startSeconds * 1000 + startMillis).toISOString().substr(11, 12).replace('.', ',');
+  
+      let endSeconds = Math.floor(segment.end);
+      let endMillis = Math.floor((segment.end - endSeconds) * 1000);
+      let end = new Date(endSeconds * 1000 + endMillis).toISOString().substr(11, 12).replace('.', ',');
+  
+      vttContent += `${index + 1}\n${start} --> ${end}\n- ${segment.text}\n\n`;
+    });
+  
+    let vttBlob = new Blob([vttContent], {type: 'text/plain'});
+    let url = URL.createObjectURL(vttBlob);
+    let link = document.createElement('a');
+    link.href = url;
+    link.download = 'subtitles.vtt';
+    link.click();
+}
+  

frontend/src/routes/+layout.js

@@ -0,0 +1,20 @@
+import { transcriptions } from '$lib/stores';
+import { browser, dev } from '$app/environment';
+import { PUBLIC_INTERNAL_API_HOST } from '$env/static/public';
+import { CLIENT_API_HOST } from '$lib/utils';
+
+/** @type {import('./$types').PageLoad} */
+export async function load({ fetch }) {
+    // Use different endpoints for server-side and client-side
+    const endpoint = browser ? `${CLIENT_API_HOST}/api/transcriptions` : `${PUBLIC_INTERNAL_API_HOST}/api/transcriptions`;
+    console.log(endpoint);
+
+    const response = await fetch(endpoint);
+    const ts = await response.json();
+
+    if (ts) {
+        transcriptions.update(_ => ts.length > 0 ? ts : []);
+    } else {
+        transcriptions.update(_ => []);
+    }    
+}

frontend/src/routes/+layout.svelte

@@ -0,0 +1,5 @@
+<script>
+    import "../app.css";
+  </script>
+  
+  <slot />

frontend/src/routes/+page.js

@@ -0,0 +1,11 @@
+/** @type {import('./$types').PageLoad} */
+import {getRandomSentence} from "$lib/utils";
+
+
+export async function load() {
+    const randomSentence = getRandomSentence();
+    
+    return {
+        randomSentence: randomSentence
+    };
+};

frontend/src/routes/+page.svelte

@@ -0,0 +1,126 @@
+<script>
+	import { Toaster } from 'svelte-french-toast';
+	import { transcriptions } from '$lib/stores';
+	import { browser, dev } from '$app/environment';
+	import { CLIENT_WS_HOST } from '$lib/utils';
+	import { onMount, onDestroy } from 'svelte';
+	import ModalTranscriptionForm from '$lib/components/ModalTranscriptionForm.svelte';
+	import ModalDownloadOptions from '$lib/components/ModalDownloadOptions.svelte';
+	import ModalTranslationForm from '$lib/components/ModalTranslationForm.svelte';
+	import SuccessTranscription from '$lib/components/SuccessTranscription.svelte';
+	import PendingTranscription from '$lib/components/PendingTranscription.svelte';
+	import PendingTranslation from '$lib/components/PendingTranslation.svelte';
+	import ErrorTranscription from '$lib/components/ErrorTranscription.svelte';
+
+	//export let data;
+	let socket;
+	export let data;
+
+	function connect() {
+		if (!browser) {
+			console.log('Server, not connecting');
+			return;
+		}
+
+		let new_uri = '';
+		var loc = window.location;
+		if (loc.protocol === 'https:') {
+			new_uri = 'wss:';
+		} else {
+			new_uri = 'ws:';
+		}
+		new_uri += '//' + (CLIENT_WS_HOST == '' ? loc.host : CLIENT_WS_HOST);
+		new_uri += '/ws/transcriptions';
+		console.log('Connecting to: ', new_uri);
+		socket = new WebSocket(new_uri);
+
+		socket.onopen = () => console.log('WebSocket is connected...');
+		socket.onerror = (error) => console.log('WebSocket Error: ', error);
+		socket.onclose = (event) => {
+			console.log('WebSocket is closed with code: ', event.code, ' and reason: ', event.reason);
+			setTimeout(() => {
+				console.log('Reconnecting...');
+				connect();
+			}, 1000);
+		};
+
+		socket.onmessage = (event) => {
+            let update = JSON.parse(event.data);
+            // use update to update the store
+            transcriptions.update(transcriptions => {
+                let index = transcriptions.findIndex(tr => tr.id === update.id);
+                if (index >= 0) {
+                    // replace the item at index
+                    transcriptions[index] = update;
+                } else {
+                    // add the new item
+                    transcriptions.push(update);
+                }
+                return transcriptions; // return a new object to trigger reactivity
+            });
+        };
+	}
+
+	onMount(() => {
+		connect();
+	});
+
+	let downloadTranscription = null;
+	let handleDownload = (event) => {
+		downloadTranscription = event.detail; // this will be the transcription to download
+		modalDownloadOptions.showModal(); // show the modal
+	};
+	let translateTranscription = null;
+	let handleTranslate = (event) => {
+		translateTranscription = event.detail; // this will be the transcription to translate
+		modalTranslation.showModal(); // show the modal
+	};
+
+	onDestroy(() => {
+		if (socket) {
+			socket.close(1000);
+		}
+	});
+</script>
+
+<Toaster />
+<ModalDownloadOptions tr={downloadTranscription} />
+<ModalTranslationForm tr={translateTranscription} />
+<ModalTranscriptionForm />
+
+<header>
+	<h1 class="flex items-center justify-center space-x-4 font-bold text-4xl mt-8">
+		<span>
+			<img class="w-20 h-20" src="/logo.svg" alt="Logo: a cloud whispering" />
+		</span>
+		<span> Whishper </span>
+	</h1>
+	<h2 class="text-md text-center opacity-70 font-mono">{data.randomSentence}</h2>
+</header>
+
+<main class="card w-4/6 bg-neutral text-neutral-content mx-auto mt-4 mb-8">
+	<button
+		class="btn btn-primary mx-auto max-w-md mt-8 btn-md"
+		onclick="modalNewTranscription.showModal()">✨ new transcription</button
+	>
+	<div class="card-body items-center text-center mb-0">
+		{#if $transcriptions.length > 0}
+			{#each $transcriptions as tr (tr.id)}
+				{#if tr.status == 2}
+					<SuccessTranscription {tr} on:download={handleDownload} on:translate={handleTranslate} />
+				{/if}
+				{#if tr.status < 2 && tr.status >= 0}
+					<PendingTranscription {tr} />
+				{/if}
+				{#if tr.status == 3}
+					<PendingTranslation {tr} />
+				{/if}
+				{#if tr.status < 0}
+					<ErrorTranscription {tr} />
+				{/if}
+			{/each}
+		{:else}
+			<p class="text-center font-bold text-2xl">🔮 No transcriptions yet 🔮</p>
+		{/if}
+	</div>
+</main>

frontend/src/routes/editor/[id]/+page.js

@@ -0,0 +1,17 @@
+/** @type {import('./$types').PageLoad} */
+import { currentTranscription } from '$lib/stores';
+import { PUBLIC_INTERNAL_API_HOST } from '$env/static/public';
+import { CLIENT_API_HOST } from '$lib/utils';
+import { browser } from '$app/environment';
+
+export async function load({params}) {
+    // Fetch json from /api/transcriptions/{id}
+    let id = params.id;
+    // Use different endpoints for server-side and client-side
+
+    const endpoint = browser ? `${CLIENT_API_HOST}/api/transcriptions` : `${PUBLIC_INTERNAL_API_HOST}/api/transcriptions`;
+    const response = await fetch(`${endpoint}/${id}`);
+    const ts = await response.json();
+    // Set currentTranscription to the fetched transcription
+    currentTranscription.set(ts);
+};

frontend/src/routes/editor/[id]/+page.svelte

@@ -0,0 +1,45 @@
+<script>
+	/** @type {import('./$types').PageData} */
+	import toast, { Toaster } from 'svelte-french-toast';
+	import Editor from '$lib/components/Editor.svelte';
+	import {currentVideoPlayerTime, currentTranscription} from '$lib/stores';
+	import { CLIENT_API_HOST } from '$lib/utils';
+
+
+	let video;
+	let tolerance = 0.1; // Tolerance level in seconds
+	let canPlay = false;
+	$: if(canPlay && video && Math.abs(video.currentTime - $currentVideoPlayerTime) > tolerance) {
+		console.log(video.currentTime, $currentVideoPlayerTime)
+        video.currentTime = $currentVideoPlayerTime;
+    }
+</script>
+
+<Toaster />
+{#if $currentTranscription}
+	<div class="grid grid-cols-3 h-screen overflow-hidden">
+		<div class="col-span-1 bg-transparent overflow-hidden">
+			<div class="h-full w-full relative">
+				<video id="video" 
+					   controls
+					   bind:this={video}
+					   on:timeupdate={(e) => $currentVideoPlayerTime.set(e.target.currentTime)}
+					   on:canplay={() => canPlay = true}
+					   on:loadedmetadata={() => canPlay = true}
+					   class="absolute top-0 left-0 h-full w-full">
+					<source src="{CLIENT_API_HOST}/api/video/{$currentTranscription.fileName}" type="video/mp4" />
+					<track kind="captions" />
+				</video>
+			</div>
+		</div>
+		<div class="col-span-2 bg-content overflow-auto">
+			<Editor />
+		</div>
+	</div>
+{:else}
+	<div class="flex items-center justify-center w-screen h-screen">
+		<h1>
+			<span class="loading loading-bars loading-lg" />
+		</h1>
+	</div>
+{/if}

frontend/static/logo.svg

@@ -0,0 +1,19 @@
+<svg id="emoji" viewBox="0 0 72 72" xmlns="http://www.w3.org/2000/svg">
+  <g id="color">
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+  <g id="hair"/>
+  <g id="skin"/>
+  <g id="skin-shadow"/>
+  <g id="line">
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+    <path fill="none" stroke="#000000" stroke-linecap="round" stroke-linejoin="round" stroke-miterlimit="10" stroke-width="2" d="M55.955,59.826c-0.2166,1.9335-1.9589,3.369-3.8924,3.1524c-1.6258-0.1821-2.8687-1.4434-3.0943-2.9898"/>
+    <path fill="none" stroke="#000000" stroke-linecap="round" stroke-linejoin="round" stroke-miterlimit="10" stroke-width="2" d="M46.0899,46.5506c0,0,10.7036,5.7177,9.8651,13.2754"/>
+  </g>
+</svg>

frontend/svelte.config.js

@@ -0,0 +1,11 @@
+//import adapter from '@sveltejs/adapter-auto';
+import adapterNode from '@sveltejs/adapter-node';
+import { vitePreprocess } from '@sveltejs/kit/vite';
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+  kit: {
+    adapter: adapterNode()
+  },
+  preprocess: vitePreprocess()
+};
+export default config;

frontend/tailwind.config.js

@@ -0,0 +1,8 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+  content: ['./src/**/*.{html,js,svelte,ts}'],
+  theme: {
+    extend: {}
+  },
+  plugins: [require("daisyui")],
+};

frontend/vite.config.js

@@ -0,0 +1,6 @@
+import { sveltekit } from '@sveltejs/kit/vite';
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+	plugins: [sveltekit()]
+});

nginx.conf

@@ -0,0 +1,35 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    gzip on;
+
+    server {
+        listen 80;
+
+        location /api/video {
+            alias /app/uploads/;
+        }
+
+        location /languages {
+            proxy_pass http://translate:5000;
+        }
+
+        location /api {
+            client_max_body_size 1024M;
+            proxy_pass http://whishper-backend:8080;
+        }
+
+        location /ws {
+            proxy_pass http://whishper-backend:8080;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+        }
+
+        location / {
+            proxy_pass http://whishper-frontend:3000;
+        }    
+    }
+}

setup-linux.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# Copy env.example to .env
+# check if .env exists
+if [ -f .env ]; then
+    echo ".env file exists"
+    echo "Do you want to overwrite it? (y/n)"
+    read answer
+    if [ "$answer" != "${answer#[Yy]}" ] ;then
+        echo "Copying env.example to .env"
+        cp env.example .env
+    fi
+else
+    echo ".env file does not exist"
+    echo "Copying env.example to .env"
+    cp env.example .env
+fi
+
+# Create necessary directories for libretranslate
+echo "Creating necessary directories for libretranslate"
+sudo mkdir -p ./whishper_data/libretranslate/{data,cache} 2&1> /dev/null
+
+# This permissions are for libretranslate docker container
+echo "Setting permissions for libretranslate"
+sudo chown -R 1032:1032 ./whishper_data/libretranslate 2&1> /dev/null
+
+echo "Do you want to pull and build docker images? (y/n)"
+read answer
+if [ "$answer" != "${answer#[Yy]}" ] ;then
+    echo "Pulling and building docker images"
+    docker compose pull
+    docker compose build
+fi

transcription-api/.dockerignore

@@ -0,0 +1,6 @@
+.env
+__pycache__/
+.ruff_cache
+.venv
+.vscode
+whisper_models/

transcription-api/Dockerfile

@@ -0,0 +1,21 @@
+FROM python:3.10-slim
+
+WORKDIR /app
+
+RUN export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -qq update \
+    && apt-get -qq install --no-install-recommends \
+    ffmpeg curl\
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt requirements.txt
+RUN pip3 install -r requirements.txt
+RUN pip3 install python-multipart
+
+COPY . .
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=15s \
+CMD ["python3", "healthcheck.py"]
+
+EXPOSE 8000
+CMD ["python3", "main.py"]

transcription-api/backends/backend.py

@@ -0,0 +1,68 @@
+
+from typing import Any, Mapping, TypedDict
+import numpy as np
+from faster_whisper.audio import decode_audio  # type: ignore
+
+SUPPORTED_MODELS = ["tiny", "tiny.en", "small", "small.en", "base", "base.en", "medium", "medium.en", "large-v2"]
+
+WordData = TypedDict(
+    "WordData", {"word": str, "start": float | str, "end": float | str, "score": float}
+)
+
+Segment = TypedDict(
+    "Segment",
+    {
+        "id": str,
+        "text": str,
+        "start": float | str,
+        "end": float | str,
+        "score": float,
+        "words": list[WordData],
+    },
+)
+
+Transcription = TypedDict(
+    "Transcription",
+    {   
+        "text": str,
+        "language": str,
+        "duration": float,
+        "segments": list[Segment],
+    },
+)
+
+class Backend:
+    name: str = "faster-whisper"
+    model_size: str
+
+    def __post_init__(self):
+        if self.model_size not in self.supported_model_sizes():
+            raise ValueError(f"model must be one of {self.supported_model_sizes()}")
+
+    def supported_backends(self):
+        """
+        This is of not much use as of the moment, If we ever support multiple
+        backends this can be utilized.
+        """
+        return ["faster-whisper"]
+
+    def model_path(self) -> str:
+        """
+        Returns the local path to the model, error-out if unavailable
+        """
+        raise NotImplementedError()
+
+    def supported_model_sizes(self) -> list[str]:
+        return SUPPORTED_MODELS
+    
+    def download_model(self):
+        raise NotImplementedError()
+
+    def load(self):
+        raise NotImplementedError()
+
+    def transcribe(self, input: np.ndarray) -> list[Segment]:
+        """
+        This should return word level transcription data.
+        """
+        raise NotImplementedError()

transcription-api/backends/fasterwhisper.py

@@ -0,0 +1,97 @@
+import numpy as np
+from .backend import Backend, Transcription, Segment
+import os, math
+from tqdm import tqdm  # type: ignore
+import uuid
+from faster_whisper import WhisperModel, download_model, decode_audio
+
+class FasterWhisperBackend(Backend):
+    device: str = "cpu"  # cpu, cuda
+    quantization: str = "int8"  # int8, float16
+    model: WhisperModel | None = None
+
+    def __init__(self, model_size, device: str = "cpu"):
+        self.model_size = model_size
+        self.device = device
+        self.__post_init__()
+
+    def model_path(self) -> str:
+        local_model_path = os.path.join(
+            os.environ["WHISPER_MODELS_DIR"], f"faster-whisper-{self.model_size}"
+        )
+
+        if os.path.exists(local_model_path):
+            return local_model_path
+        else:
+            raise RuntimeError(f"model not found in {local_model_path}")
+        
+    def load(self) -> None:
+        self.model = WhisperModel(
+            self.model_path(), device=self.device, compute_type=self.quantization
+        )
+
+    def get_model(self) -> None:
+        print(f"Downloading model {self.model_size}...")
+        local_model_path = os.path.join(os.environ["WHISPER_MODELS_DIR"], f"faster-whisper-{self.model_size}")
+        local_model_cache = os.path.join(os.environ["WHISPER_MODELS_DIR"], f"faster-whisper-{self.model_size}", "cache")
+        # Check if directory exists
+        if not os.path.exists(local_model_path):
+            os.makedirs(local_model_path)
+        try:
+            download_model(self.model_size, output_dir=local_model_path, local_files_only=True, cache_dir=local_model_cache)
+            print("Model already cached...")
+        except:
+            download_model(self.model_size, output_dir=local_model_path, local_files_only=False, cache_dir=local_model_cache)
+
+    def transcribe(
+        self, input: np.ndarray, silent: bool = False, language: str = None
+    ) -> Transcription:
+        """
+        Return word level transcription data.
+        World level probabities are calculated by ctranslate2.models.Whisper.align
+        """
+        result: list[Segment] = []
+        assert self.model is not None
+        segments, info = self.model.transcribe(
+            input,
+            beam_size=5,
+            word_timestamps=True,
+            language=language,
+        )
+        # ps = playback seconds
+        with tqdm(
+            total=info.duration, unit_scale=True, unit="ps", disable=silent
+        ) as pbar:
+            for segment in segments:
+                if segment.words is None:
+                    continue
+                id = uuid.uuid4().hex
+                segment_extract: Segment = {
+                    "id": id,
+                    "text": segment.text,
+                    "start": segment.start,
+                    "end": segment.end,
+                    "score": round(math.exp(segment.avg_logprob), 2),
+                    "words": [
+                        {
+                            "start": w.start,
+                            "end": w.end,
+                            "word": w.word,
+                            "score": round(w.probability, 2),
+                        }
+                        for w in segment.words
+                    ],
+                }
+                result.append(segment_extract)
+                if not silent:
+                    pbar.update(segment.end - pbar.last_print_n)
+        
+        text = " ".join([segment["text"] for segment in result])
+        text = ' '.join(text.strip().split())
+        transcription: Transcription = {
+            "text": text,
+            "language": info.language,
+            "duration": info.duration,
+            "segments": result,
+        }
+        return transcription

transcription-api/docker-compose.yml

@@ -0,0 +1,11 @@
+version: "3"
+
+services:
+  whisper-api:
+    container_name: whisper-api
+    build: .
+    ports:
+      - "8088:8000"
+    env_file:
+      - .env
+   

transcription-api/healthcheck.py

@@ -0,0 +1,6 @@
+import requests
+
+response = requests.get(
+    url='http://0.0.0.0:8000/healthcheck/',
+    timeout=60
+)

transcription-api/main.py

@@ -0,0 +1,43 @@
+from dotenv import load_dotenv
+from fastapi import FastAPI, UploadFile, File
+from models import ModelSize, Languages, DeviceType
+from transcribe import transcribe_file, transcribe_from_filename
+import uvicorn
+import os
+from enum import Enum
+from typing import Annotated
+from backends.fasterwhisper import FasterWhisperBackend
+
+app = FastAPI()
+    
+@app.post("/transcribe/")
+async def transcribe_endpoint(file: UploadFile = File(None),
+                              filename: str = None,
+                              model_size: ModelSize = ModelSize.small, 
+                              language: Languages = Languages.auto,
+                              device: DeviceType = DeviceType.cpu):
+    
+    print(f"Transcribing with model {model_size.value} on device {device.value}...")
+    if file is not None:
+        # if a file is uploaded, use it
+        return await transcribe_file(file, model_size.value, language.value, device.value)
+    elif filename is not None:
+        # if a filename is provided, use it
+        return await transcribe_from_filename(filename, model_size.value, language.value, device.value)
+    else:
+        return {"detail": "No file uploaded and no filename provided"}
+
+@app.get("/healthcheck/")
+async def healthcheck():
+    return {"status": "healthy"}
+
+if __name__ == "__main__":
+    load_dotenv()
+
+    # Get model list (comma separated) from environment variable
+    model_list = os.environ.get("WHISPER_MODELS", "tiny,base,small")
+    model_list = model_list.split(",")
+    for model in model_list:
+        m = FasterWhisperBackend(model_size=model)
+        m.get_model()
+    uvicorn.run(app, host="0.0.0.0", port=8000)

transcription-api/models.py

@@ -0,0 +1,45 @@
+from enum import Enum
+from pydantic import BaseModel
+
+class DeviceType(str, Enum):
+    cpu = "cpu"
+    cuda = "cuda"
+
+class ModelSize(str, Enum):
+    tiny_en = "tiny.en"
+    tiny = "tiny"
+    base_en = "base.en"
+    base = "base"
+    small_en = "small.en"
+    small = "small"
+    medium_en = "medium.en"
+    medium = "medium"
+    large_v2 = "large-v2"
+
+class Languages(str, Enum):
+    auto = "auto"
+    ar = "ar"
+    be = "be"
+    bg = "bg"
+    bn = "bn"
+    ca = "ca"
+    cs = "cs"
+    cy = "cy"
+    da = "da"
+    de = "de"
+    el = "el"
+    en = "en"
+    es = "es"
+    fr = "fr"
+    it = "it"
+    jp = "jp"
+    nl = "nl"
+    pl = "pl"
+    pt = "pt"
+    ru = "ru"
+    sk = "sk"
+    sl = "sl"
+    sv = "sv"
+    tk = "tk"
+    tr = "tr"
+    zh = "zh"

transcription-api/requirements.txt

@@ -0,0 +1,6 @@
+fastapi==0.100.1
+faster_whisper==0.7.1
+pydantic==2.1.1
+python-dotenv==1.0.0
+uvicorn==0.23.2
+python-multipart

transcription-api/transcribe.py

@@ -0,0 +1,56 @@
+from backends.fasterwhisper import FasterWhisperBackend
+from backends.backend import Transcription
+from faster_whisper import decode_audio
+from models import DeviceType
+from typing import Optional
+import numpy as np
+import io
+import os
+
+def convert_audio(file) -> np.ndarray:
+        return decode_audio(file, split_stereo=False, sampling_rate=16000)
+
+async def transcribe_from_filename(filename: str,
+                                    model_size: int,
+                                    language: Optional[str] = None,
+                                    device: DeviceType = DeviceType.cpu) -> Transcription:
+    
+    filepath = os.path.join(os.environ["UPLOAD_DIR"], filename)
+    if not os.path.exists(filepath):
+        raise RuntimeError(f"file not found in {filepath}")
+    audio = convert_audio(filepath)
+    return await transcribe_audio(audio, model_size, language, device)
+
+async def transcribe_file(file: io.BytesIO, 
+                          model_size: int, 
+                          language: Optional[str] = None, 
+                          device: DeviceType = DeviceType.cpu) -> Transcription:
+    contents = await file.read()  # async read
+    if len(contents) < 150 * 1024 * 1024:  # file is smaller than 150MB
+            audio = convert_audio(io.BytesIO(contents))
+    else:
+         # Save the uploaded file temporarily on disk
+        with open(file.filename, 'wb') as f:
+            f.write(contents)
+        # Check if file exists
+        if not os.path.exists(file.filename):
+            raise RuntimeError(f"file not found in {file.filename}")
+        # Corrected to use the function in this file
+        audio = convert_audio(file.filename)
+        os.remove(file.filename)
+    return await transcribe_audio(audio, model_size, language, device)
+
+async def transcribe_audio(audio: np.ndarray, 
+                           model_size: int, 
+                           language: Optional[str] = None, 
+                           device: DeviceType = DeviceType.cpu) -> Transcription:
+    
+    if language == "auto":
+        language = None
+
+    # Load the model
+    model = FasterWhisperBackend(model_size=model_size, device=device)
+    model.get_model()
+    model.load()
+    # Transcribe the file
+    return model.transcribe(audio, silent=True, language=language)