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Avoid platform-specific behaviour

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Lorenzooone 2024-06-24 18:48:52 +02:00
parent 44361089d8
commit b36b6f8339
1 changed files with 8 additions and 5 deletions
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13
source/audio.cpp
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@ -107,11 +107,14 @@ bool Audio::onGetData(sf::SoundStream::Chunk &data) {
if(this->audio_data->get_audio_output_type() == AUDIO_OUTPUT_MONO)
for(int i = 0; i < data.sampleCount; i++) {
int sum = ((int)buffer[i * 2]) + buffer[(i * 2) + 1];
if(sum >= 32768)
sum += 1;
else if((sum < 0) && (sum > -32768))
sum += 1;
int avg = sum >> 1;
// >> is apparently implementation-dependent. Do it like this...
int sign_mult = 1;
if(sum < 0)
sign_mult = -1;
int abs_sum = sum * sign_mult;
if(abs_sum >= 32768)
abs_sum += 1;
int avg = sign_mult * (abs_sum / 2);
buffer[i * 2] = avg;
buffer[(i * 2) + 1] = avg;
}