60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
#include "audiostream.h"
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#include <chrono>
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#include <thread>
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using the_clock = std::chrono::high_resolution_clock;
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static the_clock::time_point last_time;
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static void null_init()
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{
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last_time = the_clock::time_point();
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}
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static void null_term()
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{
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}
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static u32 null_push(const void* frame, u32 samples, bool wait)
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{
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if (wait)
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{
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if (last_time.time_since_epoch() != the_clock::duration::zero())
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{
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auto fduration = std::chrono::nanoseconds(1000000000L * samples / 44100);
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auto duration = fduration - (the_clock::now() - last_time);
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std::this_thread::sleep_for(duration);
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last_time += fduration;
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}
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else
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last_time = the_clock::now();
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}
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return 1;
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}
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static bool null_init_record(u32 sampling_freq)
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{
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return true;
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}
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static u32 null_record(void *buffer, u32 samples)
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{
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memset(buffer, 0, samples * 2);
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return samples;
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}
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static audiobackend_t audiobackend_null = {
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"null", // Slug
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"No Audio", // Name
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&null_init,
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&null_push,
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&null_term,
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nullptr,
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&null_init_record,
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&null_record,
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&null_term
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};
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static bool null = RegisterAudioBackend(&audiobackend_null);
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