mirror of
https://github.com/ggerganov/whisper.cpp.git
synced 2025-07-16 19:05:04 +02:00
799eacdde4
* Fix indentation of code sample in document comment * Make Whisper::Context#transcribe able to run non-parallel * Add test for Whisper::Context#transcribe with parallel option * Follow signature API change of Context#transcribe * Remove useless variable assignment * Move simple usage up in README * Add need help section in README * Add document on Context#transcribe's parallel option in README * Update date * Fix signature of Context.new * Make Context#subscribe accept n_processors option * Make test follow #transcribe's change * Make RBS follow #transcribe's change * Add document for #transcribe's n_processors option * Rename test directory so that Rake tasks' default setting is used
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
#include <ruby.h>
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#include <ruby/memory_view.h>
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#include <ruby/encoding.h>
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static VALUE
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jfk_reader_initialize(VALUE self, VALUE audio_path)
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{
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rb_iv_set(self, "audio_path", audio_path);
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return Qnil;
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}
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static bool
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jfk_reader_get_memory_view(const VALUE obj, rb_memory_view_t *view, int flags)
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{
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VALUE audio_path = rb_iv_get(obj, "audio_path");
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const char *audio_path_str = StringValueCStr(audio_path);
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const int n_samples = 176000;
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float *data = (float *)malloc(n_samples * sizeof(float));
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short *samples = (short *)malloc(n_samples * sizeof(short));
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FILE *file = fopen(audio_path_str, "rb");
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fseek(file, 78, SEEK_SET);
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fread(samples, sizeof(short), n_samples, file);
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fclose(file);
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for (int i = 0; i < n_samples; i++) {
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data[i] = samples[i]/32768.0;
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}
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view->obj = obj;
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view->data = (void *)data;
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view->byte_size = sizeof(float) * n_samples;
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view->readonly = true;
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view->format = "f";
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view->item_size = sizeof(float);
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view->item_desc.components = NULL;
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view->item_desc.length = 0;
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view->ndim = 1;
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view->shape = NULL;
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view->sub_offsets = NULL;
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view->private_data = NULL;
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return true;
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}
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static bool
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jfk_reader_release_memory_view(const VALUE obj, rb_memory_view_t *view)
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{
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return true;
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}
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static bool
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jfk_reader_memory_view_available_p(const VALUE obj)
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{
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return true;
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}
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static const rb_memory_view_entry_t jfk_reader_view_entry = {
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jfk_reader_get_memory_view,
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jfk_reader_release_memory_view,
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jfk_reader_memory_view_available_p
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};
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void Init_jfk_reader(void)
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{
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VALUE cJFKReader = rb_define_class("JFKReader", rb_cObject);
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rb_memory_view_register(cJFKReader, &jfk_reader_view_entry);
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rb_define_method(cJFKReader, "initialize", jfk_reader_initialize, 1);
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}
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