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Fix 24-bit WAV import;

This commit is contained in:
bjorn 2023-06-03 22:55:40 -07:00
parent 4100be4f23
commit aa12263a29
1 changed files with 8 additions and 5 deletions
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13
src/modules/data/sound.c
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@ -233,16 +233,19 @@ static bool loadWAV(Sound* sound, Blob* blob, bool decode) {
lovrAssert(raw, "Out of memory");
if (pcm && wav->sampleSize == 24) {
float* out = raw;
const char* in = data;
for (size_t i = 0; i < samples; i++) {
int32_t x = ((in[i * 3 + 0] << 8) | (in[i * 3 + 1] << 16) | (in[i * 3 + 2] << 24)) >> 8;
out[i] = x * (1. / 8388608.);
const uint8_t* in = data;
for (size_t i = 0, j = 0; i < samples; i++, j += 3) {
int32_t x = in[j + 2] & 0x80 ? 0xff : 0;
x = (x << 8) | in[j + 2];
x = (x << 8) | in[j + 1];
x = (x << 8) | in[j + 0];
out[i] = x * (1.f / 8388608.f);
}
} else if (pcm && wav->sampleSize == 32) {
float* out = raw;
const int32_t* in = (const int32_t*) data;
for (size_t i = 0; i < samples; i++) {
out[i] = in[i] * (1. / 2147483648.);
out[i] = in[i] * (1.f / 2147483648.f);
}
} else {
memcpy(raw, data, bytes);