1 files changed, 120 insertions, 0 deletions
diff --git a/dxr3output-audio.c b/dxr3output-audio.c
new file mode 100644
index 0000000..36f6904
--- /dev/null
+++ b/dxr3output-audio.c
@@ -0,0 +1,120 @@
+/*
+ * dxr3output-audio.c
+ *
+ * Copyright (C) 2002-2004 Kai Möller
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <stdio.h>
+#include <time.h>
+#include "dxr3output.h"
+
+// ==================================
+const int AUDIO_OFFSET = 4500;
+#define SCR m_dxr3Device.GetSysClock()
+// ==================================
+
+// ==================================
+//! constr.
+cDxr3AudioOutThread::cDxr3AudioOutThread(cDxr3Interface& dxr3Device,
+					 cDxr3SyncBuffer& buffer) :
+    cDxr3OutputThread(dxr3Device, buffer)
+{
+    SetDescription("DXR3 audio output");
+}
+
+//! destructor
+cDxr3AudioOutThread::~cDxr3AudioOutThread()
+{
+    m_buffer.Stop();
+    Cancel(3);
+}
+
+// ==================================
+//! thread action
+void cDxr3AudioOutThread::Action()
+{
+    bool resync = false;
+    uint32_t pts = 0;
+
+    while (Running())
+    {
+	pts = 0;
+	cFixedLengthFrame* pNext = m_buffer.Get();
+
+	if (pNext) pts = pNext->GetPts();
+
+	if (pts && abs((int)pts-(int)SCR) > 30000 ||
+	    m_dxr3Device.IsExternalReleased())
+	{
+	    m_buffer.Clear();
+	    m_bNeedResync = true;
+	}
+	else if (pNext)
+	{
+	    if (!pts || pts < SCR)
+	    {
+		if (!pts && resync)
+		{
+		    continue;
+		}
+		else
+		{
+		    resync = false;
+		}
+
+		if (pts && (pts < SCR) && ((SCR - pts) > 5000))
+		{
+		    m_dxr3Device.SetSysClock(pts + 1 * AUDIO_OFFSET);
+		    m_dxr3Device.PlayAudioFrame(pNext);
+		    if (m_buffer.IsPolled())
+		    {
+			m_buffer.Clear();
+			m_bNeedResync = true;
+		    }
+		}
+		else
+		{
+		    m_dxr3Device.PlayAudioFrame(pNext);
+		    m_buffer.Pop();
+		}
+	    }
+	    else
+	    {
+		if (abs((int)pts - (int)SCR) < (AUDIO_OFFSET ))
+		{
+		    m_dxr3Device.PlayAudioFrame(pNext);
+		    m_buffer.Pop();
+		}
+	    }
+	}
+
+	if ((pts > SCR && abs((int)pts - (int)SCR) > AUDIO_OFFSET))
+	{
+	    cCondWait::SleepMs(10);
+	}
+    }
+}
+
+#undef SCR
+
+// Local variables:
+// mode: c++
+// c-file-style: "stroustrup"
+// c-file-offsets: ((inline-open . 0))
+// indent-tabs-mode: t
+// End: