X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fdata%2Fanalogsegment.cpp;h=6dc2b915b30c4683f766bf97da4f662c44a9c07d;hb=daa54986010a11879da11e30aafd3a2739ab7a15;hp=45db047e179e3477de9ef5a09f91455e27f613e1;hpb=c063290ac7189bdd15221450f598504f43286b43;p=pulseview.git diff --git a/pv/data/analogsegment.cpp b/pv/data/analogsegment.cpp index 45db047e..6dc2b915 100644 --- a/pv/data/analogsegment.cpp +++ b/pv/data/analogsegment.cpp @@ -20,9 +20,10 @@ #include #include -#include -#include #include +#include +#include +#include #include @@ -37,6 +38,7 @@ using std::max_element; using std::min; using std::min_element; using std::pair; +using std::unique_ptr; namespace pv { namespace data { @@ -44,7 +46,7 @@ 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 uint64_t AnalogSegment::EnvelopeDataUnit = 64 * 1024; // bytes AnalogSegment::AnalogSegment(Analog& owner, uint64_t samplerate) : Segment(samplerate, sizeof(float)), @@ -72,11 +74,17 @@ void AnalogSegment::append_interleaved_samples(const float *data, uint64_t prev_sample_count = sample_count_; + // Deinterleave the samples and add them + unique_ptr deint_data(new float[sample_count]); + float *deint_data_ptr = deint_data.get(); for (uint32_t i = 0; i < sample_count; i++) { - append_single_sample((void*)data); + *deint_data_ptr = (float)(*data); + deint_data_ptr++; data += stride; } + append_samples(deint_data.get(), sample_count); + // Generate the first mip-map from the data append_payload_to_envelope_levels(); @@ -88,18 +96,19 @@ void AnalogSegment::append_interleaved_samples(const float *data, prev_sample_count + 1); } -const float* AnalogSegment::get_samples( - int64_t start_sample, int64_t end_sample) const +void AnalogSegment::get_samples(int64_t start_sample, int64_t end_sample, + float* dest) const { assert(start_sample >= 0); assert(start_sample < (int64_t)sample_count_); assert(end_sample >= 0); - assert(end_sample < (int64_t)sample_count_); + assert(end_sample <= (int64_t)sample_count_); assert(start_sample <= end_sample); + assert(dest != nullptr); lock_guard lock(mutex_); - return (float*)get_raw_samples(start_sample, (end_sample - start_sample)); + get_raw_samples(start_sample, (end_sample - start_sample), (uint8_t*)dest); } const pair AnalogSegment::get_min_max() const