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whisper.cpp
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Run Parakeet::Context#transcribe without GVL

This commit is contained in:
Kitaiti Makoto 2026-05-15 03:32:58 +09:00
parent 99412897f7
commit ae88b19443
1 changed files with 27 additions and 1 deletions
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28
bindings/ruby/ext/ruby_whisper_parakeet_transcribe.cpp
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@ -13,6 +13,23 @@ extern const rb_data_type_t ruby_whisper_parakeet_params_type;
extern ID id_to_s;
extern ID id_to_path;
static struct transcribe_without_gvl_args {
struct parakeet_context *context;
struct parakeet_full_params params;
float *samples;
size_t n_samples;
int result;
} transcribe_without_gvl_args;
static void*
transcribe_without_gvl(void *rb_args)
{
struct transcribe_without_gvl_args *args = (struct transcribe_without_gvl_args *)rb_args;
args->result = parakeet_full(args->context, args->params, args->samples, args->n_samples);
return NULL;
}
VALUE
ruby_whisper_parakeet_transcribe(VALUE self, VALUE audio_path, VALUE params)
{
@ -34,7 +51,16 @@ ruby_whisper_parakeet_transcribe(VALUE self, VALUE audio_path, VALUE params)
GetParakeetContext(self, rwpc);
GetParakeetParams(params, rwpp);
if (parakeet_full(rwpc->context, rwpp->params, pcmf32.data(), pcmf32.size()) != 0) {
struct transcribe_without_gvl_args args = {
rwpc->context,
rwpp->params,
pcmf32.data(),
pcmf32.size(),
0,
};
rb_thread_call_without_gvl(transcribe_without_gvl, (void *)&args, NULL, NULL);
if (args.result != 0) {
rb_raise(rb_eRuntimeError, "Failed to process audio");
return Qnil;
}