alihan/whisper.cpp
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whisper : language auto-detect (#59)

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This commit is contained in:
Georgi Gerganov
2022-12-17 17:58:08 +02:00
parent afe2db0fe2
commit fba10a4c68
3 changed files with 145 additions and 7 deletions
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23
whisper.h
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@@ -150,9 +150,30 @@ extern "C" {
whisper_token * tokens,
int n_max_tokens);
// Largest language id (i.e. number of available languages - 1)
WHISPER_API int whisper_lang_max_id();
// Return the id of the specified language, returns -1 if not found
// Examples:
// "de" -> 2
// "german" -> 2
WHISPER_API int whisper_lang_id(const char * lang);
// Return the short string of the specified language id (e.g. 2 -> "de"), returns nullptr if not found
WHISPER_API const char * whisper_lang_str(int id);
// Use mel data at offset_ms to try and auto-detect the spoken language
// Make sure to call whisper_pcm_to_mel() or whisper_set_mel() first
// Returns the top language id or negative on failure
// If not null, fills the lang_probs array with the probabilities of all languages
// The array must be whispe_lang_max_id() + 1 in size
// ref: https://github.com/openai/whisper/blob/main/whisper/decoding.py#L18-L69
WHISPER_API int whisper_lang_auto_detect(
struct whisper_context * ctx,
int offset_ms,
int n_threads,
float * lang_probs);
WHISPER_API int whisper_n_len (struct whisper_context * ctx); // mel length
WHISPER_API int whisper_n_vocab (struct whisper_context * ctx);
WHISPER_API int whisper_n_text_ctx (struct whisper_context * ctx);
@@ -171,6 +192,7 @@ extern "C" {
WHISPER_API whisper_token whisper_token_solm(struct whisper_context * ctx);
WHISPER_API whisper_token whisper_token_not (struct whisper_context * ctx);
WHISPER_API whisper_token whisper_token_beg (struct whisper_context * ctx);
WHISPER_API whisper_token whisper_token_lang(struct whisper_context * ctx, int lang_id);
// Task tokens
WHISPER_API whisper_token whisper_token_translate (void);
@@ -236,6 +258,7 @@ extern "C" {
const whisper_token * prompt_tokens;
int prompt_n_tokens;
// for auto-detection, set to nullptr, "" or "auto"
const char * language;
struct {