Feat/accept cmd args (#2)

* make working dir as executable dir

* Add support for cli args

internal/api/state.go

@@ -15,7 +15,7 @@ type WhisperState struct {
 	mutex   sync.Mutex
 }
 
-func InitializeWhisperState(modelPath string) (*WhisperState, error) {
+func InitializeWhisperState(modelPath string, lang int32) (*WhisperState, error) {
 	lib, err := whisper.New(whisper.LlDebug, whisper.LfUseStandardError, nil)
 	if err != nil {
 		return nil, err
@@ -41,6 +41,8 @@ func InitializeWhisperState(modelPath string) (*WhisperState, error) {
 		return nil, err
 	}
 
+	params.SetLanguage(lang)
+
 	fmt.Printf("Params CPU Threads : %d\n", params.CpuThreads())
 
 	return &WhisperState{

internal/resources/cli_arguments.go

@@ -0,0 +1,58 @@
+package resources
+
+import (
+	"flag"
+	"fmt"
+	"strings"
+)
+
+// Arguments defines the structure to hold parsed arguments
+type Arguments struct {
+	Language  string
+	ModelPath string
+}
+type ParsedArguments struct {
+	Language  int32
+	ModelPath string
+}
+
+// ParseFlags parses command line arguments and returns an Arguments struct
+func ParseFlags() (*ParsedArguments, error) {
+	args := &Arguments{}
+
+	flag.StringVar(&args.Language, "l", "", "Language to be processed")
+	flag.StringVar(&args.Language, "language", "", "Language to be processed") // Optional: Redundant to demonstrate
+	flag.StringVar(&args.ModelPath, "m", "", "Path to the model file (required)")
+	flag.StringVar(&args.ModelPath, "modelPath", "", "Path to the model file (required)") // Optional: Redundant
+
+	flag.Usage = func() {
+		fmt.Println("Usage: your_program [OPTIONS]")
+		fmt.Println("Options:")
+		flag.PrintDefaults() // Print default values for all flags
+	}
+
+	// Parsing flags
+	flag.Parse()
+
+	args.Language = strings.ToLower(args.Language)
+
+	var pickedCode int32
+	// Validate against LanguageMap and get associated code
+	if code, exists := LanguageMap[args.Language]; exists {
+		fmt.Println("Language code:", code) // Use the code as needed
+		pickedCode = code
+	} else {
+		fmt.Println("unsupported language: ", args.Language, " Defaulting to english")
+		pickedCode = 0x6E65 // Default to english
+	}
+	// Check for required flags
+
+	if args.ModelPath == "" {
+		return nil, fmt.Errorf("modelPath argument is required")
+	}
+
+	return &ParsedArguments{
+		Language:  pickedCode,
+		ModelPath: args.ModelPath,
+	}, nil
+}

internal/resources/lang_mapper.go

@@ -0,0 +1,86 @@
+package resources
+
+var LanguageMap = map[string]int32{
+	"af": 0x6661, // Afrikaans
+	"sq": 0x7173, // Albanian
+	"am": 0x6D61, // Amharic
+	"ar": 0x7261, // Arabic
+	"hy": 0x7968, // Armenian
+	"as": 0x7361, // Assamese
+	"az": 0x7A61, // Azerbaijani
+	"ba": 0x6162, // Bashkir
+	"eu": 0x7565, // Basque
+	"be": 0x6562, // Belarusian
+	"bn": 0x6E62, // Bengali
+	"bs": 0x7362, // Bosnian
+	"br": 0x7262, // Breton
+	"bg": 0x6762, // Bulgarian
+	"ca": 0x6163, // Catalan
+	"zh": 0x687A, // Chinese
+	"hr": 0x7268, // Croatian
+	"cs": 0x7363, // Czech
+	"da": 0x6164, // Danish
+	"nl": 0x6C6E, // Dutch
+	"en": 0x6E65, // English
+	"et": 0x7465, // Estonian
+	"fo": 0x6F66, // Faroese
+	"fi": 0x6966, // Finnish
+	"fr": 0x7266, // French
+	"gl": 0x6C67, // Galician
+	"ka": 0x616B, // Georgian
+	"de": 0x7265, // German
+	"el": 0x6C61, // Greek
+	"gu": 0x7567, // Gujarati
+	"he": 0x6568, // Hebrew
+	"hi": 0x6968, // Hindi
+	"hu": 0x7568, // Hungarian
+	"is": 0x7369, // Icelandic
+	"id": 0x6469, // Indonesian
+	"it": 0x7469, // Italian
+	"ja": 0x616A, // Japanese
+	"kn": 0x6E6B, // Kannada
+	"kk": 0x6B6B, // Kazakh
+	"km": 0x6D6B, // Khmer
+	"ko": 0x6F6B, // Korean
+	"ky": 0x796B, // Kyrgyz
+	"lo": 0x6F6C, // Lao
+	"lv": 0x766C, // Latvian
+	"lt": 0x746C, // Lithuanian
+	"mk": 0x6B6D, // Macedonian
+	"ms": 0x736D, // Malay
+	"ml": 0x6C6D, // Malayalam
+	"mr": 0x726D, // Marathi
+	"mn": 0x6E6D, // Mongolian
+	"ne": 0x6570, // Nepali
+	"no": 0x6F6E, // Norwegian
+	"or": 0x726F, // Oriya
+	"ps": 0x7368, // Pashto
+	"fa": 0x6172, // Persian
+	"pl": 0x6C70, // Polish
+	"pt": 0x7470, // Portuguese
+	"pa": 0x6170, // Punjabi
+	"ro": 0x6F72, // Romanian
+	"ru": 0x7572, // Russian
+	"sa": 0x6173, // Sanskrit
+	"sr": 0x7273, // Serbian
+	"sd": 0x6473, // Sindhi
+	"si": 0x6973, // Sinhalese
+	"sk": 0x6B73, // Slovak
+	"sl": 0x6C73, // Slovenian
+	"es": 0x6573, // Spanish
+	"sw": 0x7773, // Swahili
+	"sv": 0x6576, // Swedish
+	"tg": 0x6769, // Tajik
+	"ta": 0x6174, // Tamil
+	"te": 0x6574, // Telugu
+	"th": 0x6874, // Thai
+	"tr": 0x7274, // Turkish
+	"uk": 0x6B75, // Ukrainian
+	"ur": 0x7275, // Urdu
+	"uz": 0x7A75, // Uzbek
+	"vi": 0x6976, // Vietnamese
+	"cy": 0x7963, // Welsh
+	"xh": 0x6877, // Xhosa
+	"yi": 0x6979, // Yiddish
+	"yo": 0x6F79, // Yoruba
+}

main.go

@@ -1,6 +1,10 @@
 package main
 
 import (
+	"fmt"
+	"os"
+	"path/filepath"
+
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
 	"github.com/labstack/gommon/log"
@@ -9,31 +13,48 @@ import (
 )
 
 func main() {
+
 	e := echo.New()
 	e.HideBanner = true
 
+	args, errParsing := resources.ParseFlags()
+	if errParsing != nil {
+		e.Logger.Error("Error parsing flags: ", errParsing)
+		return
+	}
+
 	e.Use(middleware.CORS())
 
+	exePath, errs := os.Executable()
+	if errs != nil {
+		e.Logger.Error(errs)
+		return
+	}
+
+	exeDir := filepath.Dir(exePath)
+
+	// Change the working directory to the executable directory
+	errs = os.Chdir(exeDir)
+	if errs != nil {
+		e.Logger.Error(errs)
+		return
+	}
+
+	cwd, _ := os.Getwd()
+	fmt.Println("Current working directory:", cwd)
+
 	if l, ok := e.Logger.(*log.Logger); ok {
 		l.SetHeader("${time_rfc3339} ${level}")
 	}
 
-	_, err := resources.GetWhisperDll("1.12.0")
-	if err != nil {
-		e.Logger.Error(err)
-	}
+	whisperState, err := api.InitializeWhisperState(args.ModelPath, args.Language)
 
-	model, err := resources.GetModel("ggml-medium.bin")
-	if err != nil {
-		e.Logger.Error(err)
-	}
-
-	whisperState, err := api.InitializeWhisperState(model)
 	if err != nil {
 		e.Logger.Error(err)
 	}
 
 	e.POST("/v1/audio/transcriptions", func(c echo.Context) error {
+
 		return api.Transcribe(c, whisperState)
 	})
 

pkg/whisper/FullParams.go

@@ -86,14 +86,14 @@ func (this *FullParams) RemoveFlags(newflag eFullParamsFlags) {
 	this.cStruct.Flags = this.cStruct.Flags ^ newflag
 }
 
-func (this *FullParams) SetLanguage(language eLanguage) {
+func (this *FullParams) SetLanguage(language int32) {
 	if this == nil {
 		return
 	} else if this.cStruct == nil {
 		return
 	}
 
-	this.cStruct.Language = language
+	this.cStruct.Language = eLanguage(language)
 }
 
 /*using pfnNewSegment = HRESULT( __cdecl* )( iContext* ctx, uint32_t n_new, void* user_data ) noexcept;*/