From 987a31954ea574e04c2e79fe3765448c1b607e49 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 17 Mar 2017 14:01:05 +0100
Subject: Add gainmode var variance to config file

---
 src/ConfigParser.cpp | 2 ++
 src/ConfigParser.h   | 1 +
 src/DabMod.cpp       | 2 ++
 src/DabModulator.cpp | 6 ++++--
 src/DabModulator.h   | 4 +++-
 src/GainControl.cpp  | 5 +++--
 src/GainControl.h    | 3 ++-
 7 files changed, 17 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/ConfigParser.cpp b/src/ConfigParser.cpp
index a1e6e34..393f58a 100644
--- a/src/ConfigParser.cpp
+++ b/src/ConfigParser.cpp
@@ -154,6 +154,8 @@ static void parse_configfile(
     // modulator parameters:
     const string gainMode_setting = pt.get("modulator.gainmode", "var");
     mod_settings.gainMode = parse_gainmode(gainMode_setting);
+    mod_settings.gainmodeVariance = pt.get("modulator.normalise_variance",
+            mod_settings.gainmodeVariance);
 
     mod_settings.dabMode = pt.get("modulator.mode", mod_settings.dabMode);
     mod_settings.clockRate = pt.get("modulator.dac_clk_rate", (size_t)0);
diff --git a/src/ConfigParser.h b/src/ConfigParser.h
index fe48f01..02b798a 100644
--- a/src/ConfigParser.h
+++ b/src/ConfigParser.h
@@ -58,6 +58,7 @@ struct mod_settings_t {
     float digitalgain = 1.0f;
     float normalise = 1.0f;
     GainMode gainMode = GainMode::GAIN_VAR;
+    float gainmodeVariance = 4.0f;
 
     // To handle the timestamp offset of the modulator
     unsigned tist_delay_stages = 0;
diff --git a/src/DabMod.cpp b/src/DabMod.cpp
index 7fc395e..301b078 100644
--- a/src/DabMod.cpp
+++ b/src/DabMod.cpp
@@ -307,6 +307,7 @@ int launch_modulator(int argc, char* argv[])
                 mod_settings.gainMode,
                 mod_settings.digitalgain,
                 mod_settings.normalise,
+                mod_settings.gainmodeVariance,
                 mod_settings.filterTapsFilename);
 
         if (format_converter) {
@@ -410,6 +411,7 @@ int launch_modulator(int argc, char* argv[])
                     mod_settings.gainMode,
                     mod_settings.digitalgain,
                     mod_settings.normalise,
+                    mod_settings.gainmodeVariance,
                     mod_settings.filterTapsFilename);
 
             if (format_converter) {
diff --git a/src/DabModulator.cpp b/src/DabModulator.cpp
index 678d175..c41b8fc 100644
--- a/src/DabModulator.cpp
+++ b/src/DabModulator.cpp
@@ -3,7 +3,7 @@
    Her Majesty the Queen in Right of Canada (Communications Research
    Center Canada)
 
-   Copyright (C) 2016
+   Copyright (C) 2017
    Matthias P. Braendli, matthias.braendli@mpb.li
 
     http://opendigitalradio.org
@@ -60,6 +60,7 @@ DabModulator::DabModulator(
         unsigned outputRate, unsigned clockRate,
         unsigned dabMode, GainMode gainMode,
         float& digGain, float normalise,
+        float gainmodeVariance,
         const std::string& filterTapsFilename
         ) :
     ModInput(),
@@ -69,6 +70,7 @@ DabModulator::DabModulator(
     myGainMode(gainMode),
     myDigGain(digGain),
     myNormalise(normalise),
+    myGainmodeVariance(gainmodeVariance),
     myEtiSource(etiSource),
     myFlowgraph(NULL),
     myFilterTapsFilename(filterTapsFilename),
@@ -201,7 +203,7 @@ int DabModulator::process(Buffer* dataOut)
                 (1 + myNbSymbols), myNbCarriers, mySpacing);
 
         auto cifGain = make_shared<GainControl>(
-                mySpacing, myGainMode, myDigGain, myNormalise);
+                mySpacing, myGainMode, myDigGain, myNormalise, myGainmodeVariance);
 
         rcs.enrol(cifGain.get());
 
diff --git a/src/DabModulator.h b/src/DabModulator.h
index d768875..c9bdbe1 100644
--- a/src/DabModulator.h
+++ b/src/DabModulator.h
@@ -3,7 +3,7 @@
    Her Majesty the Queen in Right of Canada (Communications Research
    Center Canada)
 
-   Copyright (C) 2016
+   Copyright (C) 2017
    Matthias P. Braendli, matthias.braendli@mpb.li
 
     http://opendigitalradio.org
@@ -54,6 +54,7 @@ public:
             unsigned outputRate, unsigned clockRate,
             unsigned dabMode, GainMode gainMode,
             float& digGain, float normalise,
+            float gainmodeVariance,
             const std::string& filterTapsFilename);
     DabModulator(const DabModulator& other) = delete;
     DabModulator& operator=(const DabModulator& other) = delete;
@@ -74,6 +75,7 @@ protected:
     GainMode myGainMode;
     float& myDigGain;
     float myNormalise;
+    float myGainmodeVariance;
     EtiSource& myEtiSource;
     Flowgraph* myFlowgraph;
     OutputMemory* myOutput;
diff --git a/src/GainControl.cpp b/src/GainControl.cpp
index 81ae06e..9eb1678 100644
--- a/src/GainControl.cpp
+++ b/src/GainControl.cpp
@@ -48,7 +48,8 @@ static float var_variance;
 GainControl::GainControl(size_t framesize,
                          GainMode mode,
                          float& digGain,
-                         float normalise) :
+                         float normalise,
+                         float varVariance) :
     PipelinedModCodec(),
     RemoteControllable("gain"),
 #ifdef __SSE__
@@ -58,7 +59,7 @@ GainControl::GainControl(size_t framesize,
 #endif
     m_digGain(digGain),
     m_normalise(normalise),
-    m_var_variance_rc(4.0f),
+    m_var_variance_rc(varVariance),
     m_gainmode(mode),
     m_mutex()
 {
diff --git a/src/GainControl.h b/src/GainControl.h
index 8935fc3..e8f1be9 100644
--- a/src/GainControl.h
+++ b/src/GainControl.h
@@ -53,7 +53,8 @@ class GainControl : public PipelinedModCodec, public RemoteControllable
         GainControl(size_t framesize,
                     GainMode mode,
                     float& digGain,
-                    float normalise);
+                    float normalise,
+                    float varVariance);
 
         virtual ~GainControl();
         GainControl(const GainControl&);
-- 
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