From 2fa56d7736ea7e82d377e17ebd512808dd14a113 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Fri, 17 Jul 2020 05:30:15 +0200
Subject: [PATCH] SigMF recorder: added possiblity to have a time shift at
 record start

---
 sdrbase/dsp/sigmffilerecord.cpp | 3 ++-
 sdrbase/dsp/sigmffilerecord.h   | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/sdrbase/dsp/sigmffilerecord.cpp b/sdrbase/dsp/sigmffilerecord.cpp
index 4114fab9d..a20812d28 100644
--- a/sdrbase/dsp/sigmffilerecord.cpp
+++ b/sdrbase/dsp/sigmffilerecord.cpp
@@ -35,6 +35,7 @@ SigMFFileRecord::SigMFFileRecord() :
     m_fileName("test"),
     m_sampleRate(0),
     m_centerFrequency(0),
+    m_msShift(0),
 	m_recordOn(false),
     m_recordStart(true),
     m_sampleStart(0),
@@ -126,7 +127,7 @@ void SigMFFileRecord::startRecording()
         qDebug("SigMFFileRecord::startRecording: start new capture");
     }
 
-    m_captureStartDT = QDateTime::currentDateTimeUtc();
+    m_captureStartDT = QDateTime::currentDateTimeUtc().addMSecs(m_msShift);
     m_recordOn = true;
     m_sampleCount = 0;
 }
diff --git a/sdrbase/dsp/sigmffilerecord.h b/sdrbase/dsp/sigmffilerecord.h
index 01a016bb8..9d31a1709 100644
--- a/sdrbase/dsp/sigmffilerecord.h
+++ b/sdrbase/dsp/sigmffilerecord.h
@@ -50,6 +50,7 @@ public:
     virtual bool isRecording() const { return m_recordOn; }
 
     void setHardwareId(const QString& hardwareId) { m_hardwareId = hardwareId; }
+    void setMsShift(qint64 msShift) { m_msShift = msShift; }
     unsigned int getNbCaptures() const;
 
 private:
@@ -59,6 +60,7 @@ private:
     QString m_metaFileName;
     quint32 m_sampleRate;
     quint64 m_centerFrequency;
+    qint64 m_msShift;
     bool m_recordOn;
     bool m_recordStart;
     QDateTime m_captureStartDT;