From 8bd2f891c7007dc974e8298f84f5fbb354aebb26 Mon Sep 17 00:00:00 2001
From: trialuser02 <trialuser02@90c681e8-e032-0410-971d-27865f9a5e38>
Date: Sat, 29 Apr 2017 19:11:16 +0000
Subject: direct sound: faster seeking

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@7137 90c681e8-e032-0410-971d-27865f9a5e38
---
 src/plugins/Output/directsound/outputdirectsound.cpp | 15 +++++++++++----
 src/plugins/Output/directsound/outputdirectsound.h   |  1 +
 2 files changed, 12 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/plugins/Output/directsound/outputdirectsound.cpp b/src/plugins/Output/directsound/outputdirectsound.cpp
index 2d84ad5ba..300b70e57 100644
--- a/src/plugins/Output/directsound/outputdirectsound.cpp
+++ b/src/plugins/Output/directsound/outputdirectsound.cpp
@@ -52,6 +52,7 @@ OutputDirectSound::OutputDirectSound() : Output()
     m_dsBufferAt = 0;
     m_latency = 0;
     m_bytesPerSecond = 0;
+    m_reset = false;
     instance = this;
 }
 
@@ -186,19 +187,25 @@ bool OutputDirectSound::initialize(quint32 freq, ChannelMap map, Qmmp::AudioForm
     return true;
 }
 
-
 qint64 OutputDirectSound::latency()
 {
     return m_latency;
 }
 
 qint64 OutputDirectSound::writeAudio(unsigned char *data, qint64 len)
-{
+{   
     unsigned char *ptr = 0, *ptr2 = 0;
     DWORD size = 0, size2 = 0;
-
     DWORD available = bytesToWrite(); //available bytes
     m_latency = (DS_BUFSIZE - available) * 1000 / m_bytesPerSecond;
+
+    if(m_reset)
+    {
+        available = DS_BUFSIZE;
+        m_dsBuffer->SetCurrentPosition(m_dsBufferAt);
+        m_reset = false;
+    }
+
     if(available < 128)
     {
         usleep(5000);
@@ -276,7 +283,7 @@ void OutputDirectSound::resume()
 
 void OutputDirectSound::reset()
 {
-    m_dsBuffer->SetCurrentPosition(m_dsBufferAt-128);
+    m_reset = true;
 }
 
 IDirectSoundBuffer8 *OutputDirectSound::secondaryBuffer()
diff --git a/src/plugins/Output/directsound/outputdirectsound.h b/src/plugins/Output/directsound/outputdirectsound.h
index 295073a18..af70646c6 100644
--- a/src/plugins/Output/directsound/outputdirectsound.h
+++ b/src/plugins/Output/directsound/outputdirectsound.h
@@ -76,6 +76,7 @@ private:
     static DSoundChannels m_dsound_pos[10];
     qint64 m_latency;
     qint32 m_bytesPerSecond;
+    bool m_reset;
 };
 
 /**
-- 
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