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Tx ph.2: UpChannelizer: allow any sample rate
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@ -327,8 +327,8 @@ void FileSinkGui::tick()
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}
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}
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unsigned int FileSinkSampleRates::m_rates[] = {32, 48, 64, 72, 128};
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unsigned int FileSinkSampleRates::m_nb_rates = 5;
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unsigned int FileSinkSampleRates::m_rates[] = {32, 48, 64, 72, 128, 192, 256, 300, 512, 1000};
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unsigned int FileSinkSampleRates::m_nb_rates = 10;
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unsigned int FileSinkSampleRates::getRate(unsigned int rate_index)
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{
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@ -93,7 +93,7 @@ public:
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static unsigned int getRateIndex(unsigned int rate);
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static unsigned int getNbRates();
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private:
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static unsigned int m_rates[5];
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static unsigned int m_rates[10];
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static unsigned int m_nb_rates;
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};
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@ -64,20 +64,39 @@ void UpChannelizer::pull(Sample& sample)
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m_mutex.lock();
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FilterStages::iterator stage = m_filterStages.begin();
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std::vector<Sample>::iterator stageSample = m_stageSamples.begin();
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// m_sampleIn
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for (; stage != m_filterStages.end(); ++stage, ++stageSample)
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{
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if(stage == m_filterStages.end() - 1)
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{
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if ((*stage)->work(&m_sampleIn, &(*stageSample)))
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{
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m_sampleSource->pull(m_sampleIn); // get new input sample
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}
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}
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else
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{
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if (!(*stage)->work(&(*(stageSample+1)), &(*stageSample)))
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{
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break;
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}
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}
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}
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for (; stage != m_filterStages.end(); ++stage)
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{
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// let's make it work for one stage only (96 kS/s < SR < 192 kS/s)
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if(stage == m_filterStages.end() - 1)
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{
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if ((*stage)->work(&m_sampleIn, &sample))
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{
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m_sampleSource->pull(m_sampleIn); // get new input sample
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}
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}
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}
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sample = *m_stageSamples.begin();
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// for (; stage != m_filterStages.end(); ++stage)
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// {
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// // let's make it work for one stage only (96 kS/s < SR < 192 kS/s)
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// if(stage == m_filterStages.end() - 1)
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// {
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// if ((*stage)->work(&m_sampleIn, &sample))
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// {
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// m_sampleSource->pull(m_sampleIn); // get new input sample
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// }
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// }
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// }
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m_mutex.unlock();
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}
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@ -221,6 +240,7 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
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Real sigBw = sigEnd - sigStart;
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Real safetyMargin = sigBw / 20;
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Real rot = sigBw / 4;
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Sample s;
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safetyMargin = 0;
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@ -238,6 +258,7 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
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<< " [" << m_filterStages.size() << "]"
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<< " sig: [" << sigStart << ":" << sigStart + sigBw / 2.0 << "]";
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m_filterStages.push_back(new FilterStage(FilterStage::ModeLowerHalf));
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m_stageSamples.push_back(s);
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return createFilterChain(sigStart, sigStart + sigBw / 2.0, chanStart, chanEnd);
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}
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@ -248,6 +269,7 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
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<< " [" << m_filterStages.size() << "]"
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<< " sig: [" << sigEnd - sigBw / 2.0f << ":" << sigEnd << "]";
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m_filterStages.push_back(new FilterStage(FilterStage::ModeUpperHalf));
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m_stageSamples.push_back(s);
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return createFilterChain(sigEnd - sigBw / 2.0f, sigEnd, chanStart, chanEnd);
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}
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@ -259,6 +281,7 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
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<< " [" << m_filterStages.size() << "]"
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<< " sig: [" << sigStart + rot << ":" << sigEnd - rot << "]";
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m_filterStages.push_back(new FilterStage(FilterStage::ModeCenter));
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m_stageSamples.push_back(s);
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// Was: return createFilterChain(sigStart + rot, sigStart + sigBw / 2.0f + rot, chanStart, chanEnd);
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return createFilterChain(sigStart + rot, sigEnd - rot, chanStart, chanEnd);
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}
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@ -278,6 +301,7 @@ void UpChannelizer::freeFilterChain()
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for(FilterStages::iterator it = m_filterStages.begin(); it != m_filterStages.end(); ++it)
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delete *it;
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m_filterStages.clear();
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m_stageSamples.clear();
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}
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@ -83,6 +83,7 @@ protected:
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};
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typedef std::vector<FilterStage*> FilterStages;
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FilterStages m_filterStages;
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std::vector<Sample> m_stageSamples;
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BasebandSampleSource* m_sampleSource; //!< Modulator
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int m_outputSampleRate;
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int m_requestedInputSampleRate;
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