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TraceView: Improve the way we do the initial scrolling setup
[pulseview.git]
/
pv
/
data
/
analogsegment.cpp
diff --git
a/pv/data/analogsegment.cpp
b/pv/data/analogsegment.cpp
index b3f310a144c5cd7ce2e18fb83ed242bd10526b6c..5e42556ca8c3f01341283f909f2ffc81ed2d394a 100644
(file)
--- a/
pv/data/analogsegment.cpp
+++ b/
pv/data/analogsegment.cpp
@@
-19,10
+19,11
@@
#include <extdef.h>
#include <extdef.h>
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
+#include <cassert>
#include <cmath>
#include <cmath>
+#include <cstdlib>
+#include <cstring>
+#include <memory>
#include <algorithm>
#include <algorithm>
@@
-31,19
+32,21
@@
using std::lock_guard;
using std::recursive_mutex;
using std::lock_guard;
using std::recursive_mutex;
+using std::make_pair;
using std::max;
using std::max_element;
using std::min;
using std::min_element;
using std::max;
using std::max_element;
using std::min;
using std::min_element;
+using std::pair;
+using std::unique_ptr;
namespace pv {
namespace data {
const int AnalogSegment::EnvelopeScalePower = 4;
const int AnalogSegment::EnvelopeScaleFactor = 1 << EnvelopeScalePower;
namespace pv {
namespace data {
const int AnalogSegment::EnvelopeScalePower = 4;
const int AnalogSegment::EnvelopeScaleFactor = 1 << EnvelopeScalePower;
-const float AnalogSegment::LogEnvelopeScaleFactor =
- logf(EnvelopeScaleFactor);
-const uint64_t AnalogSegment::EnvelopeDataUnit = 64*1024; // bytes
+const float AnalogSegment::LogEnvelopeScaleFactor = logf(EnvelopeScaleFactor);
+const uint64_t AnalogSegment::EnvelopeDataUnit = 64 * 1024; // bytes
AnalogSegment::AnalogSegment(Analog& owner, uint64_t samplerate) :
Segment(samplerate, sizeof(float)),
AnalogSegment::AnalogSegment(Analog& owner, uint64_t samplerate) :
Segment(samplerate, sizeof(float)),
@@
-71,11
+74,17
@@
void AnalogSegment::append_interleaved_samples(const float *data,
uint64_t prev_sample_count = sample_count_;
uint64_t prev_sample_count = sample_count_;
- for (uint32_t i=0; i < sample_count; i++) {
- append_single_sample((void*)data);
+ // Deinterleave the samples and add them
+ unique_ptr<float> deint_data(new float[sample_count]);
+ float *deint_data_ptr = deint_data.get();
+ for (uint32_t i = 0; i < sample_count; i++) {
+ *deint_data_ptr = (float)(*data);
+ deint_data_ptr++;
data += stride;
}
data += stride;
}
+ append_samples(deint_data.get(), sample_count);
+
// Generate the first mip-map from the data
append_payload_to_envelope_levels();
// Generate the first mip-map from the data
append_payload_to_envelope_levels();
@@
-101,9
+110,9
@@
const float* AnalogSegment::get_samples(
return (float*)get_raw_samples(start_sample, (end_sample - start_sample));
}
return (float*)get_raw_samples(start_sample, (end_sample - start_sample));
}
-const
std::
pair<float, float> AnalogSegment::get_min_max() const
+const pair<float, float> AnalogSegment::get_min_max() const
{
{
- return
std::
make_pair(min_value_, max_value_);
+ return make_pair(min_value_, max_value_);
}
SegmentAnalogDataIterator* AnalogSegment::begin_sample_iteration(uint64_t start)
}
SegmentAnalogDataIterator* AnalogSegment::begin_sample_iteration(uint64_t start)
@@
-172,8
+181,10
@@
void AnalogSegment::append_payload_to_envelope_levels()
it = begin_raw_sample_iteration(0);
for (uint64_t i = 0; i < sample_count_; i++) {
const float sample = *((float*)it->value);
it = begin_raw_sample_iteration(0);
for (uint64_t i = 0; i < sample_count_; i++) {
const float sample = *((float*)it->value);
- if (sample < min_value_) min_value_ = sample;
- if (sample > max_value_) max_value_ = sample;
+ if (sample < min_value_)
+ min_value_ = sample;
+ if (sample > max_value_)
+ max_value_ = sample;
continue_raw_sample_iteration(it, 1);
}
end_raw_sample_iteration(it);
continue_raw_sample_iteration(it, 1);
}
end_raw_sample_iteration(it);
@@
-189,7
+200,7
@@
void AnalogSegment::append_payload_to_envelope_levels()
// Iterate through the samples to populate the first level mipmap
uint64_t start_sample = prev_length * EnvelopeScaleFactor;
// Iterate through the samples to populate the first level mipmap
uint64_t start_sample = prev_length * EnvelopeScaleFactor;
- uint64_t end_sample
= e0.length * EnvelopeScaleFactor;
+ uint64_t end_sample = e0.length * EnvelopeScaleFactor;
it = begin_raw_sample_iteration(start_sample);
for (uint64_t i = start_sample; i < end_sample; i += EnvelopeScaleFactor) {
it = begin_raw_sample_iteration(start_sample);
for (uint64_t i = start_sample; i < end_sample; i += EnvelopeScaleFactor) {
@@
-200,8
+211,10
@@
void AnalogSegment::append_payload_to_envelope_levels()
*max_element(samples, samples + EnvelopeScaleFactor),
};
*max_element(samples, samples + EnvelopeScaleFactor),
};
- if (sub_sample.min < min_value_) min_value_ = sub_sample.min;
- if (sub_sample.max > max_value_) max_value_ = sub_sample.max;
+ if (sub_sample.min < min_value_)
+ min_value_ = sub_sample.min;
+ if (sub_sample.max > max_value_)
+ max_value_ = sub_sample.max;
continue_raw_sample_iteration(it, EnvelopeScaleFactor);
*dest_ptr++ = sub_sample;
continue_raw_sample_iteration(it, EnvelopeScaleFactor);
*dest_ptr++ = sub_sample;
@@
-211,7
+224,7
@@
void AnalogSegment::append_payload_to_envelope_levels()
// Compute higher level mipmaps
for (unsigned int level = 1; level < ScaleStepCount; level++) {
Envelope &e = envelope_levels_[level];
// Compute higher level mipmaps
for (unsigned int level = 1; level < ScaleStepCount; level++) {
Envelope &e = envelope_levels_[level];
- const Envelope &el = envelope_levels_[level
-
1];
+ const Envelope &el = envelope_levels_[level
-
1];
// Expand the data buffer to fit the new samples
prev_length = e.length;
// Expand the data buffer to fit the new samples
prev_length = e.length;