51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
#include "sfont.h"
|
|
#include "audiofile/audiofile.h"
|
|
|
|
namespace FluidS {
|
|
|
|
//---------------------------------------------------------
|
|
// decompressOggVorbis
|
|
//---------------------------------------------------------
|
|
|
|
bool Sample::decompressOggVorbis(char* src, int size)
|
|
{
|
|
AudioFile af;
|
|
QByteArray ba(src, size);
|
|
|
|
start = 0;
|
|
end = 0;
|
|
if (!af.open(ba)) {
|
|
qDebug("Sample::decompressOggVorbis: open failed: %s", af.error());
|
|
return false;
|
|
}
|
|
int frames = af.frames();
|
|
data = new short[frames * af.channels()];
|
|
if (frames != af.readData(data, frames)) {
|
|
qDebug("Sample read failed: %s", af.error());
|
|
delete[] data;
|
|
data = 0;
|
|
}
|
|
end = frames - 1;
|
|
|
|
if (loopend > end ||loopstart >= loopend || loopstart <= start) {
|
|
/* can pad loop by 8 samples and ensure at least 4 for loop (2*8+4) */
|
|
if ((end - start) >= 20) {
|
|
loopstart = start + 8;
|
|
loopend = end - 8;
|
|
}
|
|
else { // loop is fowled, sample is tiny (can't pad 8 samples)
|
|
loopstart = start + 1;
|
|
loopend = end - 1;
|
|
}
|
|
}
|
|
if ((end - start) < 8) {
|
|
qDebug("invalid sample");
|
|
setValid(false);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
} // namespace
|