X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fdata%2Fanalogsegment.hpp;h=8cb4d25b9d78648133a470a8eb9974951b3b4ddc;hb=5e95d3d980490ce37d3ae404998b8c89089391e3;hp=1a91b8b7a411eaeca048f1a3065e1d4045c8e923;hpb=a38268f064687eff3e5395da6bb7f39e55dcd60f;p=pulseview.git
diff --git a/pv/data/analogsegment.hpp b/pv/data/analogsegment.hpp
index 1a91b8b..8cb4d25 100644
--- a/pv/data/analogsegment.hpp
+++ b/pv/data/analogsegment.hpp
@@ -14,8 +14,7 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see .
*/
#ifndef PULSEVIEW_PV_DATA_ANALOGSEGMENT_HPP
@@ -26,6 +25,10 @@
#include
#include
+#include
+
+using std::pair;
+
namespace AnalogSegmentTest {
struct Basic;
}
@@ -33,8 +36,18 @@ struct Basic;
namespace pv {
namespace data {
-class AnalogSegment : public Segment
+class Analog;
+
+typedef struct {
+ uint64_t sample_index, chunk_num, chunk_offs;
+ uint8_t* chunk;
+ float* value;
+} SegmentAnalogDataIterator;
+
+class AnalogSegment : public QObject, public Segment
{
+ Q_OBJECT
+
public:
struct EnvelopeSample
{
@@ -66,27 +79,36 @@ private:
static const uint64_t EnvelopeDataUnit;
public:
- AnalogSegment(uint64_t samplerate, uint64_t expected_num_samples = 0);
+ AnalogSegment(Analog& owner, uint64_t samplerate);
virtual ~AnalogSegment();
void append_interleaved_samples(const float *data,
size_t sample_count, size_t stride);
- const float* get_samples(int64_t start_sample,
- int64_t end_sample) const;
+ void get_samples(int64_t start_sample, int64_t end_sample, float* dest) const;
+
+ const pair get_min_max() const;
+
+ SegmentAnalogDataIterator* begin_sample_iteration(uint64_t start);
+ void continue_sample_iteration(SegmentAnalogDataIterator* it, uint64_t increase);
+ void end_sample_iteration(SegmentAnalogDataIterator* it);
void get_envelope_section(EnvelopeSection &s,
uint64_t start, uint64_t end, float min_length) const;
private:
- void reallocate_envelope(Envelope &l);
+ void reallocate_envelope(Envelope &e);
void append_payload_to_envelope_levels();
private:
+ Analog& owner_;
+
struct Envelope envelope_levels_[ScaleStepCount];
+ float min_value_, max_value_;
+
friend struct AnalogSegmentTest::Basic;
};