class Logic;
-typedef struct {
- uint64_t sample_index, chunk_num, chunk_offs;
- uint8_t* chunk;
- uint8_t* value;
-} SegmentLogicDataIterator;
-
-class LogicSegment : public QObject, public Segment
+class LogicSegment : public Segment
{
Q_OBJECT
-private:
- struct MipMapLevel
- {
- uint64_t length;
- uint64_t data_length;
- void *data;
- };
+public:
+ typedef pair<int64_t, bool> EdgePair;
-private:
static const unsigned int ScaleStepCount = 10;
static const int MipMapScalePower;
static const int MipMapScaleFactor;
static const float LogMipMapScaleFactor;
static const uint64_t MipMapDataUnit;
-public:
- typedef pair<int64_t, bool> EdgePair;
+private:
+ struct MipMapLevel
+ {
+ uint64_t length;
+ uint64_t data_length;
+ void *data;
+ };
public:
- LogicSegment(pv::data::Logic& owner, shared_ptr<sigrok::Logic> data, uint64_t samplerate);
- LogicSegment(pv::data::Logic& owner, unsigned int unit_size, uint64_t samplerate);
+ LogicSegment(pv::data::Logic& owner, uint32_t segment_id,
+ unsigned int unit_size, uint64_t samplerate);
virtual ~LogicSegment();
void append_payload(shared_ptr<sigrok::Logic> logic);
void append_payload(void *data, uint64_t data_size);
- const uint8_t* get_samples(int64_t start_sample, int64_t end_sample) const;
+ void get_samples(int64_t start_sample, int64_t end_sample, uint8_t* dest) const;
- SegmentLogicDataIterator* begin_sample_iteration(uint64_t start);
- void continue_sample_iteration(SegmentLogicDataIterator* it, uint64_t increase);
- void end_sample_iteration(SegmentLogicDataIterator* it);
-
-private:
- uint64_t unpack_sample(const uint8_t *ptr) const;
- void pack_sample(uint8_t *ptr, uint64_t value);
-
- void reallocate_mipmap_level(MipMapLevel &m);
-
- void append_payload_to_mipmap();
-
- uint64_t get_unpacked_sample(uint64_t index) const;
-
-public:
/**
* Parses a logic data segment to generate a list of transitions
* in a time interval to a given level of detail.
*/
void get_subsampled_edges(vector<EdgePair> &edges,
uint64_t start, uint64_t end,
- float min_length, int sig_index);
+ float min_length, int sig_index, bool first_change_only = false);
+
+ void get_surrounding_edges(vector<EdgePair> &dest,
+ uint64_t origin_sample, float min_length, int sig_index);
+
+private:
+ uint64_t unpack_sample(const uint8_t *ptr) const;
+ void pack_sample(uint8_t *ptr, uint64_t value);
+
+ void reallocate_mipmap_level(MipMapLevel &m);
+
+ void append_payload_to_mipmap();
+
+ uint64_t get_unpacked_sample(uint64_t index) const;
+
+ template <class T> void downsampleTmain(const T*&in, T &acc, T &prev);
+ template <class T> void downsampleT(const uint8_t *in, uint8_t *&out, uint64_t len);
+ void downsampleGeneric(const uint8_t *in, uint8_t *&out, uint64_t len);
private:
uint64_t get_subsample(int level, uint64_t offset) const;
struct MipMapLevel mip_map_[ScaleStepCount];
uint64_t last_append_sample_;
+ uint64_t last_append_accumulator_;
+ uint64_t last_append_extra_;
friend struct LogicSegmentTest::Pow2;
friend struct LogicSegmentTest::Basic;