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fix loading of 64-bit float samples

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tildearrow 2025-07-16 02:45:29 -05:00
parent 3145ccddcb
commit 1a68d0efe7
1 changed files with 20 additions and 1 deletions
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21
src/engine/fileOpsSample.cpp
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@ -313,12 +313,18 @@ std::vector<DivSample*> DivEngine::sampleFromFile(const char* path) {
logD("sample is 32-bit float");
buf=new float[si.channels*si.frames];
sampleLen=sizeof(float);
} else if ((si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_DOUBLE) {
logD("sample is 64-bit float");
buf=new float[si.channels*si.frames];
sampleLen=sizeof(double);
} else {
logD("sample is 16-bit signed");
buf=new short[si.channels*si.frames];
sampleLen=sizeof(short);
}
if ((si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_PCM_U8 || (si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_FLOAT) {
if ((si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_PCM_U8 ||
(si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_FLOAT ||
(si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_DOUBLE) {
if (sf_read_raw(f,buf,si.frames*si.channels*sampleLen)!=(si.frames*si.channels*sampleLen)) {
logW("sample read size mismatch!");
}
@ -361,6 +367,19 @@ std::vector<DivSample*> DivEngine::sampleFromFile(const char* path) {
sample->data16[index++]=averaged;
}
delete[] (float*)buf;
} else if ((si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_DOUBLE) {
for (int i=0; i<si.frames*si.channels; i+=si.channels) {
double averaged=0.0f;
for (int j=0; j<si.channels; j++) {
averaged+=((double*)buf)[i+j];
}
averaged/=si.channels;
averaged*=32767.0;
if (averaged<-32768.0) averaged=-32768.0;
if (averaged>32767.0) averaged=32767.0;
sample->data16[index++]=averaged;
}
delete[] (double*)buf;
} else {
for (int i=0; i<si.frames*si.channels; i+=si.channels) {
int averaged=0;