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New scope: simplified display trace allocation and fixed segfault

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This commit is contained in:
f4exb 2017-02-16 01:06:15 +01:00
parent 01ee19a46b
commit 5584fec183
1 changed files with 41 additions and 33 deletions
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74
sdrbase/dsp/scopevisng.h
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@ -20,6 +20,7 @@
#include <QDebug> #include <QDebug>
#include <QColor> #include <QColor>
#include <algorithm>
#include <stdint.h> #include <stdint.h>
#include <vector> #include <vector>
@ -138,8 +139,9 @@ public:
} }
}; };
static const uint m_traceChunkSize; static const uint32_t m_traceChunkSize;
static const uint m_nbTriggers = 10; static const uint32_t m_maxNbTriggers = 10;
static const uint32_t m_maxNbTraces = 10;
ScopeVisNG(GLScopeNG* glScope = 0); ScopeVisNG(GLScopeNG* glScope = 0);
virtual ~ScopeVisNG(); virtual ~ScopeVisNG();
@ -659,18 +661,15 @@ private:
int m_maxTraceSize; //!< Maximum Size of a trace in buffer int m_maxTraceSize; //!< Maximum Size of a trace in buffer
bool evenOddIndex; //!< Even (true) or odd (false) index bool evenOddIndex; //!< Even (true) or odd (false) index
Traces() : evenOddIndex(true), m_traceSize(0), m_maxTraceSize(0) {} Traces() : evenOddIndex(true), m_traceSize(0), m_maxTraceSize(0), m_x0(0), m_x1(0)
{
}
~Traces() ~Traces()
{ {
std::vector<float *>::iterator it0 = m_traces[0].begin(); if (m_x0) delete[] m_x0;
std::vector<float *>::iterator it1 = m_traces[1].begin(); if (m_x1) delete[] m_x1;
m_maxTraceSize = 0;
for (; it0 != m_traces[0].end(); ++it0, ++it1)
{
delete[] (*it0);
delete[] (*it1);
}
} }
bool isVerticalDisplayChange(const TraceData& traceData, uint32_t traceIndex) bool isVerticalDisplayChange(const TraceData& traceData, uint32_t traceIndex)
@ -683,15 +682,16 @@ private:
void addTrace(const TraceData& traceData, int traceSize) void addTrace(const TraceData& traceData, int traceSize)
{ {
resize(traceSize); if (m_traces[0].size() < m_maxNbTraces)
{
m_traces[0].push_back(0);
m_traces[1].push_back(0);
m_tracesData.push_back(traceData);
m_tracesControl.push_back(TraceControl());
m_tracesControl.back().initProjector(traceData.m_projectionType);
m_tracesData.push_back(traceData); resize(traceSize);
m_tracesControl.push_back(TraceControl()); }
m_tracesControl.back().initProjector(traceData.m_projectionType);
float *x0 = new float[2*m_traceSize];
float *x1 = new float[2*m_traceSize];
m_traces[0].push_back(x0);
m_traces[1].push_back(x1);
} }
void changeTrace(const TraceData& traceData, uint32_t traceIndex) void changeTrace(const TraceData& traceData, uint32_t traceIndex)
@ -707,14 +707,15 @@ private:
{ {
if (traceIndex < m_tracesControl.size()) if (traceIndex < m_tracesControl.size())
{ {
m_traces[0].erase(m_traces[0].begin() + traceIndex);
m_traces[1].erase(m_traces[1].begin() + traceIndex);
m_tracesControl[traceIndex].releaseProjector(); m_tracesControl[traceIndex].releaseProjector();
m_tracesControl.erase(m_tracesControl.begin() + traceIndex); m_tracesControl.erase(m_tracesControl.begin() + traceIndex);
m_tracesData.erase(m_tracesData.begin() + traceIndex); m_tracesData.erase(m_tracesData.begin() + traceIndex);
delete[] (m_traces[0])[traceIndex];
delete[] (m_traces[1])[traceIndex]; resize(m_traceSize); // reallocate pointers
m_traces[0].erase(m_traces[0].begin() + traceIndex);
m_traces[1].erase(m_traces[1].begin() + traceIndex);
} }
} }
void resize(int traceSize) void resize(int traceSize)
@ -723,19 +724,22 @@ private:
if (m_traceSize > m_maxTraceSize) if (m_traceSize > m_maxTraceSize)
{ {
std::vector<float *>::iterator it0 = m_traces[0].begin(); delete[] m_x0;
std::vector<float *>::iterator it1 = m_traces[1].begin(); delete[] m_x1;
m_x0 = new float[2*m_traceSize*m_maxNbTraces];
for (; it0 != m_traces[0].end(); ++it0, ++it1) m_x1 = new float[2*m_traceSize*m_maxNbTraces];
{
delete[] (*it0);
delete[] (*it1);
*it0 = new float[2*m_traceSize];
*it1 = new float[2*m_traceSize];
}
m_maxTraceSize = m_traceSize; m_maxTraceSize = m_traceSize;
} }
std::fill_n(m_x0, 2*m_traceSize*m_traces[0].size(), 0.0f);
std::fill_n(m_x1, 2*m_traceSize*m_traces[0].size(), 0.0f);
for (int i = 0; i < m_traces[0].size(); i++)
{
(m_traces[0])[i] = &m_x0[2*m_traceSize*i];
(m_traces[1])[i] = &m_x1[2*m_traceSize*i];
}
} }
uint32_t currentBufferIndex() const { return evenOddIndex? 0 : 1; } uint32_t currentBufferIndex() const { return evenOddIndex? 0 : 1; }
@ -750,6 +754,10 @@ private:
it->m_traceCount[currentBufferIndex()] = 0; it->m_traceCount[currentBufferIndex()] = 0;
} }
} }
private:
float *m_x0;
float *m_x1;
}; };
class TriggerComparator class TriggerComparator