bool PARDISOSolver< valueType, zeroBased >::analyzePattern( CompressedSparseMatrix< valueType >& A )
{
return analyzePattern( A.numRows(), A.numCols(),
reinterpret_cast< int* >( A.outerIndexPointers().data() ),
reinterpret_cast< int* >( A.innerIndices().data() ),
A.numNonZeros() );
}
/*===========================================================================*
*
* initRateControl
*
* initialize the allocation parameters.
*
* RETURNS: nothing
*
* SIDE EFFECTS: many global variables
*
* NOTES: Get rid of the redundant pattern stuff!!
*===========================================================================*/
int
initRateControl(bool const wantUnderflowWarning,
bool const wantOverflowWarning) {
int result;
const char * error;
wantVbvUnderflowWarning = wantUnderflowWarning;
wantVbvOverflowWarning = wantOverflowWarning;
DBG_PRINT(("Initializing Allocation Data\n"));
#ifdef RC_STATS_FILE
RC_FILE = fopen("RC_STATS_FILE", "w");
if ( RC_FILE == NULL) {
DBG_PRINT(("Open of RC file failed, using stderr\n"));
RC_FILE = stderr;
fprintf(RC_FILE, "Open of RC file failed, using stderr\n");
fflush(RC_FILE);
}
#endif
VBV_remainingDelay = 0;
analyzePattern(framePattern, framePatternLen,
&GOP_X, &GOP_I, &GOP_P, &GOP_B, &error);
if (error) {
pm_message("Unable to set up rate control. Switching to variable. "
"%s", error);
pm_strfree(error);
RateControlMode = VARIABLE_RATE;
return -1;
}
/* Initializing GOP bit allocation */
rc_R = 0;
rc_G = (bit_rate * GOP_X/frameRateRounded);
/* Initialize the "global complexity measures" */
Xi = (160 * bit_rate/115);
Xp = (60 * bit_rate/115);
Xb = (42 * bit_rate/115);
/* Initialize MB counters */
rc_totalMBBits= rc_bitsThisMB= rc_totalFrameBits=rc_totalOverheadBits = 0;
rc_numBlocks = rc_totalQuant = 0;
/* init virtual buffers */
reactionParameter = (2 * bit_rate / frameRateRounded);
d0_i = (10 * reactionParameter / 31);
d0_p = (Kp * d0_i);
d0_b = (Kb * d0_i);
lastFrameVirtBuf = d0_i; /* start with I Frame */
rc_Q = lastFrameVirtBuf * 31 / reactionParameter;
/* init spatial activity measures */
avg_act = 400; /* Suggested initial value */
N_act = 1;
mquant = rc_Q * N_act;
frameDelayIncrement = (90000 / frameRateRounded);
/* num of "delay" units per frame */
bufferFillRate = bit_rate / frameRateRounded;
/* VBV buf fills at constant rate */
VBV_buffer = buffer_size;
DBG_PRINT(("VBV- delay: %d, fill rate: %d, delay/Frame: %d units, "
"buffer size: %d\n",
VBV_remainginDelay, bufferFillRate, frameDelayIncrement,
buffer_size));
result = initGOPRateControl();
return result;
}
