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feat(server): Add option to suppress non-speech tokens #2649

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Merged
merged 3 commits into from
Dec 21, 2024
Merged

feat(server): Add option to suppress non-speech tokens #2649

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0a06bb0
The parameter will suppress non-speech tokens like [LAUGH], [SIGH], e…
sachaarbonel Dec 20, 2024
c18962a
add to whisper_params_parse
sachaarbonel Dec 20, 2024
48adc5f
add missing param
sachaarbonel Dec 20, 2024
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9 changes: 9 additions & 0 deletions examples/server/server.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ struct whisper_params {
bool no_timestamps = false;
bool use_gpu = true;
bool flash_attn = false;
bool suppress_non_speech_tokens = false;

std::string language = "en";
std::string prompt = "";
Expand Down Expand Up @@ -135,6 +136,7 @@ void whisper_print_usage(int /*argc*/, char ** argv, const whisper_params & para
fprintf(stderr, " --request-path PATH, [%-7s] Request path for all requests\n", sparams.request_path.c_str());
fprintf(stderr, " --inference-path PATH, [%-7s] Inference path for all requests\n", sparams.inference_path.c_str());
fprintf(stderr, " --convert, [%-7s] Convert audio to WAV, requires ffmpeg on the server", sparams.ffmpeg_converter ? "true" : "false");
fprintf(stderr, " -sns, --suppress-non-speech [%-7s] suppress non-speech tokens\n", params.suppress_non_speech_tokens ? "true" : "false");
fprintf(stderr, "\n");
}

Expand Down Expand Up @@ -179,6 +181,7 @@ bool whisper_params_parse(int argc, char ** argv, whisper_params & params, serve
else if (arg == "-dtw" || arg == "--dtw") { params.dtw = argv[++i]; }
else if (arg == "-ng" || arg == "--no-gpu") { params.use_gpu = false; }
else if (arg == "-fa" || arg == "--flash-attn") { params.flash_attn = true; }
else if (arg == "-sns" || arg == "--suppress-non-speech") { params.suppress_non_speech_tokens = true; }
// server params
else if ( arg == "--port") { sparams.port = std::stoi(argv[++i]); }
else if ( arg == "--host") { sparams.hostname = argv[++i]; }
Expand Down Expand Up @@ -472,6 +475,10 @@ void get_req_parameters(const Request & req, whisper_params & params)
{
params.temperature_inc = std::stof(req.get_file_value("temperature_inc").content);
}
if (req.has_file("suppress_non_speech"))
{
params.suppress_non_speech_tokens = parse_str_to_bool(req.get_file_value("suppress_non_speech").content);
}
}

} // namespace
Expand Down Expand Up @@ -786,6 +793,8 @@ int main(int argc, char ** argv) {
wparams.no_timestamps = params.no_timestamps;
wparams.token_timestamps = !params.no_timestamps && params.response_format == vjson_format;

wparams.suppress_non_speech_tokens = params.suppress_non_speech_tokens;

whisper_print_user_data user_data = { &params, &pcmf32s, 0 };

// this callback is called on each new segment
Expand Down