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Fix issue #3269: Account for duration and offset parameters #3934

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Fix issue #3269: Account for duration and offset parameters #3934

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15 changes: 13 additions & 2 deletions src/whisper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7633,8 +7633,19 @@ int whisper_full_with_state(
// ctx->vocab.id_to_token[tokens_cur[i].id].c_str(), tokens_cur[i].p,
// ctx->vocab.id_to_token[tokens_cur[i].tid].c_str(), tokens_cur[i].pt);

if (params.print_special || tokens_cur[i].id < whisper_token_eot(ctx)) {
text += whisper_token_to_str(ctx, tokens_cur[i].id);
if (params.print_special || (tokens_cur[i].id < whisper_token_eot(ctx))) {
// absolute time of this token in centiseconds (10ms units)
const int64_t t_current = seek + 2*(tokens_cur[i].tid - whisper_token_beg(ctx));

// keep the token only if it falls inside the requested
// [offset_ms, offset_ms + duration_ms] window (in ms)
const bool before_offset = t_current*10 < params.offset_ms;
const bool after_duration = params.duration_ms > 0 &&
t_current*10 > params.offset_ms + params.duration_ms;

if (!before_offset && !after_duration) {
text += whisper_token_to_str(ctx, tokens_cur[i].id);
}
}

// [TDRZ] record if speaker turn was predicted after current segment
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