fix incorrect translate/transcribe token_ids that are not static const

Author: akashmjn

bindings/go/whisper.go

@@ -271,12 +271,12 @@ func (ctx *Context) Whisper_token_lang(lang_id int) Token {
 
 // Task tokens
 func Whisper_token_translate() Token {
-	return Token(C.whisper_token_translate())
+	return Token(C.whisper_token_translate((*C.struct_whisper_context)(ctx)))
 }
 
 // Task tokens
 func Whisper_token_transcribe() Token {
-	return Token(C.whisper_token_transcribe())
+	return Token(C.whisper_token_transcribe((*C.struct_whisper_context)(ctx)))
 }
 
 // Performance information

bindings/java/src/main/java/io/github/ggerganov/whispercpp/WhisperCppJnaLibrary.java

@@ -224,8 +224,8 @@ public interface WhisperCppJnaLibrary extends Library {
     int whisper_token_lang(Pointer ctx, int lang_id);
 
     // Task tokens
-    int whisper_token_translate();
-    int whisper_token_transcribe();
+    int whisper_token_translate (Pointer ctx);
+    int whisper_token_transcribe(Pointer ctx);
 
     // Performance information from the default state.
     void whisper_print_timings(Pointer ctx);

whisper.cpp

@@ -380,16 +380,17 @@ struct whisper_vocab {
     std::map<token, id> token_to_id;
     std::map<id, token> id_to_token;
 
-    id token_eot  = 50256;
-    id token_sot  = 50257;
-    id token_solm = 50359; // ??  TODO@Akash - rename appropriately
-    id token_prev = 50360;
-    id token_not  = 50362; // no timestamps
-    id token_beg  = 50363; // begin timestamps
-
-    // available tasks
-    static const id token_translate  = 50358;  // TODO@Akash - technically it's 50357 for .en models
-    static const id token_transcribe = 50359;  // TODO@Akash - technically it's 50358 for .en models
+    // reference: https://github.com/openai/whisper/blob/248b6cb124225dd263bb9bd32d060b6517e067f8/whisper/tokenizer.py#L334-L349
+    id token_eot        = 50256;
+    id token_sot        = 50257;
+    // task tokens (used only for multilingual models)
+    id token_translate  = 50357;
+    id token_transcribe = 50358;
+    // other special tokens
+    id token_solm       = 50359; // ??  TODO@Akash - rename appropriately
+    id token_prev       = 50360;
+    id token_not        = 50362; // no timestamps
+    id token_beg        = 50363; // begin timestamps
 
     bool is_multilingual() const {
         return n_vocab == 51865;
@@ -966,8 +967,10 @@ static bool whisper_model_load(struct whisper_model_loader * loader, whisper_con
         if (vocab.is_multilingual()) {
             vocab.token_eot++;
             vocab.token_sot++;
-            vocab.token_prev++;
+            vocab.token_translate++;
+            vocab.token_transcribe++;
             vocab.token_solm++;
+            vocab.token_prev++;
             vocab.token_not++;
             vocab.token_beg++;
         }
@@ -3228,12 +3231,12 @@ whisper_token whisper_token_lang(struct whisper_context * ctx, int lang_id) {
     return whisper_token_sot(ctx) + 1 + lang_id;
 }
 
-whisper_token whisper_token_translate(void) {
-    return whisper_vocab::token_translate;
+whisper_token whisper_token_translate(struct whisper_context * ctx) {
+    return ctx->vocab.token_translate;
 }
 
-whisper_token whisper_token_transcribe(void) {
-    return whisper_vocab::token_transcribe;
+whisper_token whisper_token_transcribe(struct whisper_context * ctx) {
+    return ctx->vocab.token_transcribe;
 }
 
 void whisper_print_timings(struct whisper_context * ctx) {
@@ -4018,9 +4021,9 @@ int whisper_full_with_state(
         state->lang_id = lang_id;
         prompt_init.push_back(whisper_token_lang(ctx, lang_id));
         if (params.translate) {
-            prompt_init.push_back(whisper_token_translate());
+            prompt_init.push_back(whisper_token_translate(ctx));
         } else {
-            prompt_init.push_back(whisper_token_transcribe());
+            prompt_init.push_back(whisper_token_transcribe(ctx));
         }
     }
 

whisper.h

@@ -284,8 +284,8 @@ extern "C" {
     WHISPER_API whisper_token whisper_token_lang(struct whisper_context * ctx, int lang_id);
 
     // Task tokens
-    WHISPER_API whisper_token whisper_token_translate (void);
-    WHISPER_API whisper_token whisper_token_transcribe(void);
+    WHISPER_API whisper_token whisper_token_translate (struct whisper_context * ctx);
+    WHISPER_API whisper_token whisper_token_transcribe(struct whisper_context * ctx);
 
     // Performance information from the default state.
     WHISPER_API void whisper_print_timings(struct whisper_context * ctx);