DATV demod: more leansdr cleanup and Windows build

plugins/channelrx/demoddatv/demoddatv.pro

@@ -11,6 +11,7 @@ QT += core gui multimedia multimediawidgets widgets opengl qml
 
 TARGET = demoddatv
 
+DEFINES += _USE_MATH_DEFINES=1
 DEFINES += USE_SSE2=1
 QMAKE_CXXFLAGS += -msse2
 DEFINES += USE_SSE4_1=1
@@ -31,26 +32,41 @@ CONFIG(macx):INCLUDEPATH += "../../../../../boost_1_69_0"
 
 SOURCES += datvdemod.cpp\
     datvdemodgui.cpp\
+    datvdemodsettings.cpp \
     datvdemodplugin.cpp\
     datvideostream.cpp \
-    datvideorender.cpp
+    datvideorender.cpp \
+    leansdr/dvb.cpp \
+    leansdr/filtergen.cpp \
+    leansdr/framework.cpp \
+    leansdr/math.cpp \
+    leansdr/sdr.cpp
 
 HEADERS += datvdemod.h\
     datvdemodgui.h\
+    datvdemodsettings.h \
     datvdemodplugin.h\
+    leansdr/bch.h \
     leansdr/convolutional.h \
+    leansdr/crc.h \
+    leansdr/discrmath.h \
     leansdr/dsp.h \
     leansdr/dvb.h \
+    leansdr/dvbs2.h \
+    leansdr/dvbs2_data.h \
     leansdr/filtergen.h \
     leansdr/framework.h \
     leansdr/generic.h \
+    leansdr/gui.h \
     leansdr/hdlc.h \
     leansdr/iess.h \
+    leansdr/ldpc.h \
     leansdr/math.h \
     leansdr/rs.h \
     leansdr/sdr.h \
+    leansdr/softword.h \
     leansdr/viterbi.h \
-    datvconstellation.h \
+    leansdr/datvconstellation.h \
     datvvideoplayer.h \
     datvideostream.h \
     datvideorender.h

plugins/channelrx/demoddatv/leansdr/dsp.h

@@ -297,7 +297,7 @@ struct fir_filter : runnable
             }
         }
 
-        unsigned long count = min((in.readable() - ncoeffs) / decim,
+        long count = min((in.readable() - ncoeffs) / decim,
                                   out.writable());
         T *pin = in.rd() + ncoeffs, *pend = pin + count * decim, *pout = out.wr();
         // TBD use coeffs when current_freq=0 (fewer mults if float)
@@ -315,11 +315,11 @@ struct fir_filter : runnable
     }
 
   private:
-    unsigned int ncoeffs;
+    int ncoeffs;
     Tc *coeffs;
     pipereader<T> in;
     pipewriter<T> out;
-    unsigned int decim;
+    int decim;
 
     T *shifted_coeffs;
     float current_freq;

plugins/channelrx/demoddatv/leansdr/dvb.h

@@ -650,13 +650,13 @@ static struct fec_spec
     const uint16_t *polys; // [bits_out]
 } fec_specs[FEC_COUNT] =
     {
-        [FEC12] = {1, 2, polys_fec12},
-        [FEC23] = {2, 3, polys_fec23},
-        [FEC46] = {4, 6, polys_fec46},
-        [FEC34] = {3, 4, polys_fec34},
-        [FEC56] = {5, 6, polys_fec56},
-        [FEC78] = {7, 8, polys_fec78},
-        [FEC45] = {4, 5, polys_fec45}, // Non-standard
+        {1, 2, polys_fec12},
+        {2, 3, polys_fec23},
+        {4, 6, polys_fec46},
+        {3, 4, polys_fec34},
+        {5, 6, polys_fec56},
+        {7, 8, polys_fec78},
+        {4, 5, polys_fec45}, // Non-standard
 };
 
 struct dvb_convol : runnable

plugins/channelrx/demoddatv/leansdr/framework.h

@@ -17,6 +17,9 @@
 #ifndef LEANSDR_FRAMEWORK_H
 #define LEANSDR_FRAMEWORK_H
 
+#include <cstddef>
+#include <algorithm>
+
 #include <math.h>
 #include <stdint.h>
 #include <stdio.h>

plugins/channelrx/demoddatv/leansdr/generic.h

@@ -20,7 +20,13 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/types.h>
+
+#ifdef _MSC_VER
+#include <stdlib.h>
+#include <io.h>
+#else
 #include <unistd.h>
+#endif
 
 #include "leansdr/math.h"
 
@@ -302,7 +308,7 @@ struct itemcounter : runnable
 template <typename T>
 struct decimator : runnable
 {
-    unsigned int d;
+    int d;
 
     decimator(scheduler *sch, int _d, pipebuf<T> &_in, pipebuf<T> &_out)
         : runnable(sch, "decimator"),
@@ -312,7 +318,7 @@ struct decimator : runnable
     }
     void run()
     {
-        unsigned long count = min(in.readable() / d, out.writable());
+        long count = min(in.readable() / d, out.writable());
         T *pin = in.rd(), *pend = pin + count * d, *pout = out.wr();
         for (; pin < pend; pin += d, ++pout)
             *pout = *pin;

plugins/channelrx/demoddatv/leansdr/sdr.cpp

@@ -5,15 +5,15 @@ namespace leansdr
 
 const char *cstln_base::names[] =
     {
-        [BPSK] = "BPSK",
-        [QPSK] = "QPSK",
-        [PSK8] = "8PSK",
-        [APSK16] = "16APSK",
-        [APSK32] = "32APSK",
-        [APSK64E] = "64APSKe",
-        [QAM16] = "16QAM",
-        [QAM64] = "64QAM",
-        [QAM256] = "256QAM"
+        "BPSK",
+        "QPSK",
+        "8PSK",
+        "16APSK",
+        "32APSK",
+        "64APSKe",
+        "16QAM",
+        "64QAM",
+        "256QAM"
     };
 
 

plugins/channelrx/demoddatv/leansdr/sdr.h

@@ -763,7 +763,7 @@ struct cstln_lut : cstln_base
     void make_lut_from_symbols(float mer)
     {
         // Note: Excessively low values of MER will break 16APSK and 32APSK.
-        float sigma = cstln_amp * exp10f(-mer / 20);
+        float sigma = cstln_amp * pow(10.0, (-mer / 20));
 
         // Precomputed values.
         // Shared scope so that we don't have to reset dists2[nsymbols..] to -1.