diff --git a/examples/audio/audio_stream_effects.c b/examples/audio/audio_stream_effects.c index 21930505..2262d41f 100644 --- a/examples/audio/audio_stream_effects.c +++ b/examples/audio/audio_stream_effects.c @@ -2,7 +2,7 @@ * * raylib [audio] example - Music stream processing effects * -* Example originally created with raylib 4.2, last time updated with raylib 4.2 +* Example originally created with raylib 4.2, last time updated with raylib 5.0 * * Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, * BSD-like license that allows static linking with closed source software @@ -13,7 +13,7 @@ #include "raylib.h" -#include // Required for: NULL +#include // Required for: NULL // Required delay effect variables static float *delayBuffer = NULL; @@ -149,13 +149,17 @@ static void AudioProcessEffectLPF(void *buffer, unsigned int frames) static const float cutoff = 70.0f / 44100.0f; // 70 Hz lowpass filter const float k = cutoff / (cutoff + 0.1591549431f); // RC filter formula + // Converts the buffer data before using it + float *bufferData = (float *)buffer; for (unsigned int i = 0; i < frames*2; i += 2) { - float l = ((float *)buffer)[i], r = ((float *)buffer)[i + 1]; + const float l = bufferData[i]; + const float r = bufferData[i + 1]; + low[0] += k * (l - low[0]); low[1] += k * (r - low[1]); - ((float *)buffer)[i] = low[0]; - ((float *)buffer)[i + 1] = low[1]; + bufferData[i] = low[0]; + bufferData[i + 1] = low[1]; } } @@ -176,4 +180,4 @@ static void AudioProcessEffectDelay(void *buffer, unsigned int frames) delayBuffer[delayWriteIndex++] = ((float *)buffer)[i + 1]; if (delayWriteIndex == delayBufferSize) delayWriteIndex = 0; } -} \ No newline at end of file +}