void CPrediction::doITransformPFrame(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 < (*pSrc)[k].getHeight(); y+=8)
{
for(int x=0; x < (*pSrc)[k].getWidth(); x+=8)
{
prediction_info_t info = (*pPred)[y/scale][x/scale];
ITransformBlock(&(*pSrc)[k][y][x], &(*pDst)[k][y][x], CPoint(k, y, x), size, info, scale);
}
}
}
}
/*****************************************************************************
*
* freq2time_adapt
* transform freq. domain data to time domain.
* Overlap and add transform output to recreate time sequence.
* Blocks composed of multiple segments (i.e. all but long) have
* input spectrums interleaved.
* input: see below
* output: see below
* local static:
* timeBuff time domain data fifo
* globals: none
*
*****************************************************************************/
void freq2time_adapt(faacDecHandle hDecoder,
byte blockType, /* input: blockType 0-3 */
Wnd_Shape *wnd_shape, /* input/output */
Float *freqInPtr, /* input: interleaved spectrum */
Float *timeBuff, /* transform state needed for each channel */
Float *ftimeOutPtr) /* output: 1/2 block of new time values */
{
Float *transBuff, *transBuffPtr;
int i, j;
Float *timeBuffPtr, *destPtr;
Float *timeOutPtr;
transBuff = AllocMemory(2*BLOCK_LEN_LONG*sizeof(Float));
timeOutPtr = AllocMemory(BLOCK_LEN_LONG*sizeof(Float));
if (blockType == NORM_TYPE) {
unfold (freqInPtr, transBuff, BLOCK_LEN_LONG);
/* Do 1 LONG transform */
ITransformBlock (hDecoder, transBuff, LONG_BLOCK, wnd_shape, timeBuff); /* ch ); */
transBuffPtr = transBuff;
timeBuffPtr = timeBuff; /* [ch]; */
destPtr = timeOutPtr;
/* idimkovic: reduce loop overhead by unrolling */
for (i = BLOCK_LEN_LONG/16 - 1; i >= 0; --i)
{
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
}
/* Save second half as old data */
timeBuffPtr = timeBuff; /* [ch]; */
for (i = BLOCK_LEN_LONG/16 - 1; i >= 0; --i) {
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
}
}
else if (blockType == SHORT_TYPE)
{
/* Do 8 SHORT transforms */
if (hDecoder->dolbyShortOffset_f2t)
destPtr = timeBuff + 4 * BLOCK_LEN_SHORT; /* DBS */
else
destPtr = timeBuff + (BLOCK_LEN_LONG - BLOCK_LEN_SHORT) / 2; /* 448 */
for (i = 0; i < 8; i++) {
unfold (freqInPtr, transBuff, BLOCK_LEN_SHORT );
/*was freqinPtr++, 8 .. mfd */
freqInPtr += BLOCK_LEN_SHORT; /* added mfd */
ITransformBlock (hDecoder, transBuff, SHORT_BLOCK, wnd_shape, timeBuff);
/* Add first half of short window and old data */
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++;
}
/* Save second half of short window */
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++;
}
destPtr -= BLOCK_LEN_SHORT;
}
/* Copy data to output buffer */
destPtr = timeOutPtr;
timeBuffPtr = timeBuff; /* [ch]; */
for (i = BLOCK_LEN_LONG/16 - 1; i >= 0; --i) {
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
}
/* Update timeBuff fifo */
destPtr = timeBuff; /* [ch]; */
for (i = BLOCK_LEN_LONG/16 - 1; i >= 0; --i) {
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
*destPtr++ = *timeBuffPtr++;
}
}
else if (blockType == START_TYPE) {
unfold(freqInPtr, transBuff, BLOCK_LEN_LONG);
ITransformBlock (hDecoder, transBuff, START_FLAT_BLOCK, wnd_shape, timeBuff);
/* Add first half and old data */
transBuffPtr = transBuff;
timeBuffPtr = timeBuff;
destPtr = timeOutPtr;
for (i = BLOCK_LEN_LONG/16 - 1; i >= 0; --i) {
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
}
/* Save second half as old data */
timeBuffPtr = timeBuff;
for (i = BLOCK_LEN_LONG/16 - 1; i >= 0; --i) {
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
}
hDecoder->dolbyShortOffset_f2t = 0;
}
else if (blockType == STOP_TYPE) {
unfold (freqInPtr, transBuff, BLOCK_LEN_LONG);
/* Do 1 LONG transforms */
ITransformBlock (hDecoder, transBuff, STOP_FLAT_BLOCK, wnd_shape, timeBuff);
/* Add first half and old data */
transBuffPtr = transBuff;
timeBuffPtr = timeBuff;
destPtr = timeOutPtr;
for (i = (BLOCK_LEN_LONG - NFLAT)/16 - 1; i>=0; --i)
{
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
*destPtr++ = *transBuffPtr++ + *timeBuffPtr++;
}
for ( i = NFLAT/16-1; i>=0; --i) {
*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++;
}
/* Save second half as old data */
timeBuffPtr = timeBuff;
for (i = BLOCK_LEN_LONG/16 - 1; i >= 0; --i ) {
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
*timeBuffPtr++ = *transBuffPtr++;
}
}
i=0;
do
{
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
*(ftimeOutPtr++) = (timeOutPtr[i]);
i++;
} while(i<BLOCK_LEN_LONG);
FreeMemory(timeOutPtr);
FreeMemory(transBuff);
}
