extern/whisper.cpp
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stream : add beam size parameter(#2836)

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* feat: Add beam size parameter to stream.cpp for beam search configuration

* feat: Add beam size parameter to whisper full params in stream example

* fix: Remove duplicate beam search size assignment in server.cpp
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masahji 2025-02-25 01:39:33 -08:00 committed by GitHub
parent 47e14c0529
commit dfc6ca62f3
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1 changed files with 5 additions and 1 deletions
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examples/stream/stream.cpp
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@ -23,6 +23,7 @@ struct whisper_params {
int32_t capture_id = -1;
int32_t max_tokens = 32;
int32_t audio_ctx = 0;
int32_t beam_size = -1;
float vad_thold = 0.6f;
float freq_thold = 100.0f;
@ -59,6 +60,7 @@ static bool whisper_params_parse(int argc, char ** argv, whisper_params & params
else if (arg == "-c" || arg == "--capture") { params.capture_id = std::stoi(argv[++i]); }
else if (arg == "-mt" || arg == "--max-tokens") { params.max_tokens = std::stoi(argv[++i]); }
else if (arg == "-ac" || arg == "--audio-ctx") { params.audio_ctx = std::stoi(argv[++i]); }
else if (arg == "-bs" || arg == "--beam-size") { params.beam_size = std::stoi(argv[++i]); }
else if (arg == "-vth" || arg == "--vad-thold") { params.vad_thold = std::stof(argv[++i]); }
else if (arg == "-fth" || arg == "--freq-thold") { params.freq_thold = std::stof(argv[++i]); }
else if (arg == "-tr" || arg == "--translate") { params.translate = true; }
@ -96,6 +98,7 @@ void whisper_print_usage(int /*argc*/, char ** argv, const whisper_params & para
fprintf(stderr, " -c ID, --capture ID [%-7d] capture device ID\n", params.capture_id);
fprintf(stderr, " -mt N, --max-tokens N [%-7d] maximum number of tokens per audio chunk\n", params.max_tokens);
fprintf(stderr, " -ac N, --audio-ctx N [%-7d] audio context size (0 - all)\n", params.audio_ctx);
fprintf(stderr, " -bs N, --beam-size N [%-7d] beam size for beam search\n", params.beam_size);
fprintf(stderr, " -vth N, --vad-thold N [%-7.2f] voice activity detection threshold\n", params.vad_thold);
fprintf(stderr, " -fth N, --freq-thold N [%-7.2f] high-pass frequency cutoff\n", params.freq_thold);
fprintf(stderr, " -tr, --translate [%-7s] translate from source language to english\n", params.translate ? "true" : "false");
@ -298,7 +301,7 @@ int main(int argc, char ** argv) {
// run the inference
{
whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
whisper_full_params wparams = whisper_full_default_params(params.beam_size > 1 ? WHISPER_SAMPLING_BEAM_SEARCH : WHISPER_SAMPLING_GREEDY);
wparams.print_progress = false;
wparams.print_special = params.print_special;
@ -309,6 +312,7 @@ int main(int argc, char ** argv) {
wparams.max_tokens = params.max_tokens;
wparams.language = params.language.c_str();
wparams.n_threads = params.n_threads;
wparams.beam_search.beam_size = params.beam_size;
wparams.audio_ctx = params.audio_ctx;