From 85f7e69da5b3b36cc8a0f0a1dda8ce23ba4592b9 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Sun, 14 Oct 2018 02:58:14 +0200
Subject: [PATCH] File Input: extended acceleration up to x1000

---
 plugins/samplesource/filesource/filesourcegui.ui  | 15 +++++++++++++++
 .../samplesource/filesource/filesourceinput.cpp   |  6 +++++-
 .../filesource/filesourcesettings.cpp             |  2 +-
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/plugins/samplesource/filesource/filesourcegui.ui b/plugins/samplesource/filesource/filesourcegui.ui
index f40501a14..458043fa2 100644
--- a/plugins/samplesource/filesource/filesourcegui.ui
+++ b/plugins/samplesource/filesource/filesourcegui.ui
@@ -475,6 +475,21 @@
          <string>100</string>
         </property>
        </item>
+       <item>
+        <property name="text">
+         <string>200</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>500</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>1k</string>
+        </property>
+       </item>
       </widget>
      </item>
      <item>
diff --git a/plugins/samplesource/filesource/filesourceinput.cpp b/plugins/samplesource/filesource/filesourceinput.cpp
index 4f8ed2175..4f0241a55 100644
--- a/plugins/samplesource/filesource/filesourceinput.cpp
+++ b/plugins/samplesource/filesource/filesourceinput.cpp
@@ -174,7 +174,7 @@ bool FileSourceInput::start()
 		m_ifstream.seekg(sizeof(FileRecord::Header), std::ios::beg);
 	}
 
-	if(!m_sampleFifo.setSize(m_sampleRate * sizeof(Sample))) {
+	if(!m_sampleFifo.setSize(m_settings.m_accelerationFactor * m_sampleRate * sizeof(Sample))) {
 		qCritical("Could not allocate SampleFifo");
 		return false;
 	}
@@ -405,6 +405,10 @@ bool FileSourceInput::applySettings(const FileSourceSettings& settings, bool for
         if (m_fileSourceThread)
         {
             QMutexLocker mutexLocker(&m_mutex);
+            if (!m_sampleFifo.setSize(m_settings.m_accelerationFactor * m_sampleRate * sizeof(Sample))) {
+                qCritical("FileSourceInput::applySettings: could not reallocate sample FIFO size to %lu",
+                        m_settings.m_accelerationFactor * m_sampleRate * sizeof(Sample));
+            }
             m_fileSourceThread->setSampleRateAndSize(settings.m_accelerationFactor * m_sampleRate, m_sampleSize); // Fast Forward: 1 corresponds to live. 1/2 is half speed, 2 is double speed
         }
     }
diff --git a/plugins/samplesource/filesource/filesourcesettings.cpp b/plugins/samplesource/filesource/filesourcesettings.cpp
index c5c2f0442..950f1c1af 100644
--- a/plugins/samplesource/filesource/filesourcesettings.cpp
+++ b/plugins/samplesource/filesource/filesourcesettings.cpp
@@ -18,7 +18,7 @@
 
 #include "filesourcesettings.h"
 
-const unsigned int FileSourceSettings::m_accelerationMaxScale = 1;
+const unsigned int FileSourceSettings::m_accelerationMaxScale = 2;
 
 FileSourceSettings::FileSourceSettings()
 {