unsigned int GenerateChecksumV8(unsigned int sym, unsigned int salt)
{
unsigned int a=sym;
for(int i=0; i<1000; i++)
a=TransformBlock(a, salt, 0x80, 0x40);
return a;
}
void AESCryptoKey::Decrypt(const uint8_t *pbIn,
uint32_t cbIn,
uint8_t *pbOut,
uint32_t & cbOut,
const uint8_t *pbIv,
uint32_t cbIv)
{
TransformBlock(false, pbIn, cbIn, pbOut, cbOut, pbIv, cbIv);
}
void CPrediction::doTransformPFrame(CImage<float> * pSrc, CImage<float> * pDst, CPredictionInfoTable * pPred)
{
for(int k=0;k<pSrc->getComponents();k++)
{
int scale = 16/pSrc->getScale(k);
CSize size = (*pSrc)[k].getSize();
for(int y=0; y < size.Height; y+=8)
{
for(int x=0; x < size.Width; x+=8)
{
prediction_info_t info = (*pPred)[y/scale][x/scale];
TransformBlock(&(*pSrc)[k][y][x], &(*pDst)[k][y][x], CPoint(k, y, x), size, info, scale);
}
}
}
}
void CTransform<S, D>::doTransform(CImage<S> * src, CImage<D> * dst)
{
if(src->getFormat() != dst->getFormat())
{
throw utils::StringFormatException("formats does not match\n");
}
for(int k=0;k<src->getComponents(); k++)
{
CSize size((*src)[k].getHeight(), (*src)[k].getWidth());
for(int y=0; y < (*src)[k].getHeight(); y+=8)
{
for(int x=0; x < (*src)[k].getWidth(); x+=8)
{
TransformBlock(&(*src)[k][0][0], &(*dst)[k][0][0], CPoint(k, y, x), size);
}
}
}
}
/*****************************************************************************
*
* time2freq_adapt
* transform to time domain data to freq. domain.
* Blocks composed of multiple segments (i.e. all but long) have
* input spectrums interleaved.
* Notice: currently verified only for certain blocktypes
* input: see below
* output: see below
* local static:
* none
* globals: none
*
*****************************************************************************/
void time2freq_adapt(faacDecHandle hDecoder,
WINDOW_TYPE blockType, /* input: blockType 0-3 */
Wnd_Shape *wnd_shape, /* input/output */
Float *timeInPtr, /* input: time domain data */
Float *ffreqOutPtr) /* output: 1/2 block of new freq values */
{
Float *transBuff, *transBuffPtr;
int i, j;
Float *srcPtr;
Float *destPtr;
Float *freqOutPtr;
transBuff = AllocMemory(2*BLOCK_LEN_LONG*sizeof(Float));
freqOutPtr = AllocMemory(BLOCK_LEN_LONG*sizeof(Float));
if (blockType == NORM_TYPE)
{
srcPtr = timeInPtr;
destPtr = transBuff;
for (i = 2 * BLOCK_LEN_LONG / 16 - 1; i >= 0; --i)
{
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
}
/* Do 1 LONG transform */
TransformBlock (hDecoder, transBuff, LONG_BLOCK, wnd_shape);
srcPtr = transBuff;
destPtr = freqOutPtr;
for (i = BLOCK_LEN_LONG/16-1; i>=0; --i)
{
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
}
}
else if (blockType == SHORT_TYPE) {
/* Do 8 SHORT transforms */
srcPtr = timeInPtr + (BLOCK_LEN_LONG - BLOCK_LEN_SHORT) / 2;
destPtr = freqOutPtr;
for (i = 0; i < 8; i++) {
transBuffPtr = transBuff;
for (i = 2 * BLOCK_LEN_SHORT/16-1; i>=0; --i) {
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
*transBuffPtr++ = *srcPtr++;
}
srcPtr -= BLOCK_LEN_SHORT;
TransformBlock (hDecoder, transBuff, SHORT_BLOCK, wnd_shape);
/* Copy data to output buffer */
transBuffPtr = transBuff;
for (j = BLOCK_LEN_SHORT/16-1; j>=0; --j) {
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
*destPtr++ = *transBuffPtr++;
}
}
}
else if (blockType == START_TYPE) {
srcPtr = timeInPtr;
destPtr = transBuff;
for (i = 2 * BLOCK_LEN_LONG/16-1; i>=0; --i) {
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
}
TransformBlock (hDecoder, transBuff, START_FLAT_BLOCK, wnd_shape);
srcPtr = transBuff;
destPtr = freqOutPtr;
for (i = BLOCK_LEN_LONG/16-1; i>=0; --i) {
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
}
hDecoder->dolbyShortOffset_t2f = 0;
}
else if (blockType == STOP_TYPE) {
srcPtr = timeInPtr;
destPtr = transBuff;
for (i = 2 * BLOCK_LEN_LONG/16-1; i>=0; --i) {
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
}
TransformBlock (hDecoder, transBuff, STOP_FLAT_BLOCK, wnd_shape);
srcPtr = transBuff;
destPtr = freqOutPtr;
for (i = BLOCK_LEN_LONG/16-1; i>=0; --i) {
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
}
}
srcPtr = freqOutPtr;
destPtr = ffreqOutPtr;
for (i = BLOCK_LEN_LONG/16-1; i>=0; --i) {
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
*destPtr++ = *srcPtr++;
}
FreeMemory(freqOutPtr);
FreeMemory(transBuff);
}
