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audio: allocate samples dynamically to avoid share static buffer corruption

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Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I48808e87cf3aea831daff726eb7123a96a6a6964
This commit is contained in:
raf 2026-03-19 17:00:35 +03:00
commit 0894466532
Signed by: NotAShelf
GPG key ID: 29D95B64378DB4BF
1 changed files with 13 additions and 3 deletions
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16
src/audio.c
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@ -1,9 +1,10 @@
#include "audio.h" #include "audio.h"
#include "raylib.h" #include "raylib.h"
#include <math.h> #include <math.h>
#include <stddef.h>
#ifndef M_PI #ifndef M_PI
#define M_PI 3.14159265358979323846 // xd #define M_PI 3.14159265358979323846 // xd
#endif #endif
#define SAMPLE_RATE 44100 #define SAMPLE_RATE 44100
@ -11,11 +12,17 @@
// Generate a simple sine wave tone // Generate a simple sine wave tone
static void play_tone(float frequency, float duration, float volume) { static void play_tone(float frequency, float duration, float volume) {
static float samples[SAMPLE_RATE];
int sample_count = (int)(SAMPLE_RATE * duration); int sample_count = (int)(SAMPLE_RATE * duration);
if (sample_count > SAMPLE_RATE) if (sample_count > SAMPLE_RATE)
sample_count = SAMPLE_RATE; sample_count = SAMPLE_RATE;
if (sample_count <= 0)
return;
// Allocate samples dynamically to avoid shared static buffer corruption
float *samples = (float *)MemAlloc(sample_count * sizeof(float));
if (samples == NULL)
return;
// Generate sine wave // Generate sine wave
for (int i = 0; i < sample_count; i++) { for (int i = 0; i < sample_count; i++) {
@ -24,7 +31,7 @@ static void play_tone(float frequency, float duration, float volume) {
// Apply simple envelope (fade in/out) // Apply simple envelope (fade in/out)
float envelope = 1.0f; float envelope = 1.0f;
int fade_samples = SAMPLE_RATE / 20; // 50ms fade int fade_samples = SAMPLE_RATE / 20; // 50ms fade
if (i < fade_samples) { if (i < fade_samples) {
envelope = (float)i / fade_samples; envelope = (float)i / fade_samples;
} else if (i > sample_count - fade_samples) { } else if (i > sample_count - fade_samples) {
@ -43,6 +50,9 @@ static void play_tone(float frequency, float duration, float volume) {
Sound sound = LoadSoundFromWave(wave); Sound sound = LoadSoundFromWave(wave);
PlaySound(sound); PlaySound(sound);
UnloadSound(sound); UnloadSound(sound);
// Free the dynamically allocated buffer
MemFree(samples);
} }
void audio_init(void) { void audio_init(void) {