//Swap int16 to system endianness
int16_t swapBytes_i16(int16_t val, bql_file *blendfile)
{
if(blendfile->endianness == CFByteOrderLittleEndian)
return CFSwapInt16LittleToHost(val);
else if(blendfile->endianness == CFByteOrderBigEndian)
return CFSwapInt16BigToHost(val);
else return val;
}
static void show(const AudioBufferList &abl, int framesToPrint, int wordSize, const char *label, const char *fmtstr=NULL)
{
printf("%s %p (%d fr%s):\n", label ? label : "AudioBufferList", &abl, framesToPrint, fmtstr ? fmtstr : "");
const AudioBuffer *buf = abl.mBuffers;
for (UInt32 i = 0; i < abl.mNumberBuffers; ++i, ++buf) {
printf(" [%2d] %5dbytes %dch @ %p", (int)i, (int)buf->mDataByteSize, (int)buf->mNumberChannels, buf->mData);
if (framesToPrint && buf->mData != NULL) {
printf(":");
Byte *p = (Byte *)buf->mData;
for (int j = framesToPrint * buf->mNumberChannels; --j >= 0; )
switch (wordSize) {
case 0: // native float
printf(" %6.3f", *(Float32 *)p);
p += sizeof(Float32);
break;
// positive: big endian
case 1:
case -1:
printf(" %02X", *p);
p += 1;
break;
case 2:
printf(" %04X", CFSwapInt16BigToHost(*(UInt16 *)p));
p += 2;
break;
case 3:
printf(" %06X", (p[0] << 16) | (p[1] << 8) | p[2]);
p += 3;
break;
case 4:
printf(" %08X", (unsigned int)CFSwapInt32BigToHost(*(UInt32 *)p));
p += 4;
break;
case 10:
printf(" %6.3f", CASwapFloat32BigToHost(*(Float32 *)p));
p += sizeof(Float32);
break;
case -2:
printf(" %04X", CFSwapInt16LittleToHost(*(UInt16 *)p));
p += 2;
break;
case -3:
printf(" %06X", (p[2] << 16) | (p[1] << 8) | p[0]);
p += 3;
break;
case -4:
printf(" %08X", (unsigned int)CFSwapInt32LittleToHost(*(UInt32 *)p));
p += 4;
break;
case -10:
printf(" %6.3f", CASwapFloat32LittleToHost(*(Float32 *)p));
p += sizeof(Float32);
break;
}
}
printf("\n");
}
}
UInt16 littleEndianUInt16(FILE *stream)
{
UInt16 n;
fread(&n, 2, 1, stream);
return CFSwapInt16LittleToHost(n);
}