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/*
Copyright (C) 2007, 2008, 2009, 2010, 2011 Her Majesty the Queen in
Right of Canada (Communications Research Center Canada)
Copyright (C) 2014
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
ODR-DabMod is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
ODR-DabMod is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
*/
#include "OutputMemory.h"
#include "PcDebug.h"
#include <stdexcept>
#include <string.h>
#include <math.h>
OutputMemory::OutputMemory(Buffer* dataOut)
: ModOutput(ModFormat(1), ModFormat(0))
{
PDEBUG("OutputMemory::OutputMemory(%p) @ %p\n", dataOut, this);
setOutput(dataOut);
#if OUTPUT_MEM_HISTOGRAM
myMax = 0.0f;
for (int i = 0; i < HIST_BINS; i++) {
myHistogram[i] = 0.0f;
}
#endif
}
OutputMemory::~OutputMemory()
{
#if OUTPUT_MEM_HISTOGRAM
fprintf(stderr, "* OutputMemory max %f\n", myMax);
fprintf(stderr, "* HISTOGRAM\n");
for (int i = 0; i < HIST_BINS; i++) {
fprintf(stderr, "** %5d - %5d: %ld\n",
i * HIST_BIN_SIZE,
(i+1) * HIST_BIN_SIZE - 1,
myHistogram[i]);
}
#endif
PDEBUG("OutputMemory::~OutputMemory() @ %p\n", this);
}
void OutputMemory::setOutput(Buffer* dataOut)
{
myDataOut = dataOut;
myInputFormat.size(dataOut == NULL ? 0 : dataOut->getLength());
}
int OutputMemory::process(Buffer* dataIn, Buffer* dataOut)
{
PDEBUG("OutputMemory::process"
"(dataIn: %p, dataOut: %p)\n",
dataIn, dataOut);
*myDataOut = *dataIn;
#if OUTPUT_MEM_HISTOGRAM
const float* in = (const float*)dataIn->getData();
const size_t len = dataIn->getLength() / sizeof(float);
for (size_t i = 0; i < len; i++) {
float absval = fabsf(in[i]);
if (myMax < absval)
myMax = absval;
myHistogram[lrintf(absval) / HIST_BIN_SIZE]++;
}
#endif
return myDataOut->getLength();
}
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