extern/whisper.cpp
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Bug fix

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Longer prompts could cause out-of-bounds access
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Georgi Gerganov 2022-09-30 20:37:29 +03:00
parent 3bcdbdfc32
commit 15b49e8baf
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GPG Key ID: 449E073F9DC10735
1 changed files with 4 additions and 4 deletions
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main.cpp
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@ -1859,7 +1859,7 @@ whisper_vocab::id whisper_sample_best(
if (need_timestamp) {
// at the end of the 30-second audio segment, we start giving preference to time tokens
for (int i = 0; i < top_k; i++) {
if (probs_id[i].second > vocab.token_beg + 1300 && probs_id[i].first > probs_id[0].first*0.1) {
if (probs_id[i].second > vocab.token_beg + 1300 && probs_id[i].first > 0.01*probs_id[0].first) {
return probs_id[i].second;
}
}
@ -2201,7 +2201,7 @@ int main(int argc, char ** argv) {
}
// the generated text including timestamps
std::vector<whisper_result> result_all;
//std::vector<whisper_result> result_all;
// main loop
int seek = 0;
@ -2258,7 +2258,7 @@ int main(int argc, char ** argv) {
int result_len = 0;
std::vector<whisper_result> result_cur;
for (int i = 0; i < model.hparams.n_text_ctx/2; ++i) {
for (int i = 0; i < model.hparams.n_text_ctx/2 - 4; ++i) {
// decode
if (prompt.size() > 0) {
const int64_t t_start_us = ggml_time_us();
@ -2323,7 +2323,7 @@ int main(int argc, char ** argv) {
}
result_cur.resize(result_len);
result_all.insert(result_all.end(), result_cur.begin(), result_cur.end());
//result_all.insert(result_all.end(), result_cur.begin(), result_cur.end());
for (const auto & r : result_cur) {
prompt_past.push_back(r.id);