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whisper : add whisper_full_lang_id() for getting the context lang (#461)

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kamranjon 2023-02-05 04:46:26 -08:00 committed by GitHub
parent d012b5c7e4
commit a1c1583cc7
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2 changed files with 11 additions and 1 deletions
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9
whisper.cpp
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@ -592,6 +592,8 @@ struct whisper_context {
mutable std::mt19937 rng; // used for sampling at t > 0.0
int lang_id;
// [EXPERIMENTAL] token-level timestamps data
int64_t t_beg;
int64_t t_last;
@ -3478,7 +3480,7 @@ int whisper_full(
fprintf(stderr, "%s: failed to auto-detect language\n", __func__);
return -3;
}
ctx->lang_id = lang_id;
params.language = whisper_lang_str(lang_id);
fprintf(stderr, "%s: auto-detected language: %s (p = %f)\n", __func__, params.language, probs[whisper_lang_id(params.language)]);
@ -3575,6 +3577,7 @@ int whisper_full(
std::vector<whisper_token> prompt_init = { whisper_token_sot(ctx) };
if (whisper_is_multilingual(ctx)) {
const int lang_id = whisper_lang_id(params.language);
ctx->lang_id = lang_id;
prompt_init.push_back(whisper_token_lang(ctx, lang_id));
if (params.translate) {
prompt_init.push_back(whisper_token_translate());
@ -4295,6 +4298,10 @@ int whisper_full_n_segments(struct whisper_context * ctx) {
return ctx->result_all.size();
}
int whisper_full_lang_id(struct whisper_context * ctx) {
return ctx->lang_id;
}
int64_t whisper_full_get_segment_t0(struct whisper_context * ctx, int i_segment) {
return ctx->result_all[i_segment].t0;
}

3
whisper.h
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@ -330,6 +330,9 @@ extern "C" {
// A segment can be a few words, a sentence, or even a paragraph.
WHISPER_API int whisper_full_n_segments(struct whisper_context * ctx);
// Language id associated with the current context
WHISPER_API int whisper_full_lang_id(struct whisper_context * ctx);
// Get the start and end time of the specified segment.
WHISPER_API int64_t whisper_full_get_segment_t0(struct whisper_context * ctx, int i_segment);
WHISPER_API int64_t whisper_full_get_segment_t1(struct whisper_context * ctx, int i_segment);