From 2f68b86ba403fdae97c00569b6bb9b58ad1f33a6 Mon Sep 17 00:00:00 2001 From: skal Date: Tue, 27 Jan 2026 18:56:59 +0100 Subject: initial commit --- src/audio/audio.cpp | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/audio/audio.cpp (limited to 'src/audio/audio.cpp') diff --git a/src/audio/audio.cpp b/src/audio/audio.cpp new file mode 100644 index 0000000..9e778f1 --- /dev/null +++ b/src/audio/audio.cpp @@ -0,0 +1,33 @@ +#define MINIAUDIO_IMPLEMENTATION +#include "miniaudio.h" +#include + +static ma_device device; +static float phase = 0.0f; + +static void audio_callback(ma_device*, void* output, const void*, ma_uint32 frames) { + int16_t* out = (int16_t*)output; + const float freq = 440.0f; + const float sr = 32000.0f; + + for (ma_uint32 i = 0; i < frames; i++) { + float s = sinf(phase) * 0.2f; + phase += 2.0f * 3.14159265f * freq / sr; + if (phase > 2.0f * 3.14159265f) phase -= 2.0f * 3.14159265f; + out[i] = (int16_t)(s * 32767.0f); + } +} + +void audio_init() { + ma_device_config cfg = ma_device_config_init(ma_device_type_playback); + cfg.playback.format = ma_format_s16; + cfg.playback.channels = 1; + cfg.sampleRate = 32000; + cfg.dataCallback = audio_callback; + + ma_device_init(nullptr, &cfg, &device); + ma_device_start(&device); +} + +void audio_update() {} +void audio_shutdown() { ma_device_uninit(&device); } -- cgit v1.2.3