HEAD = 0.2.3 release, because i want to start my coding with this codebase

1 files changed, 198 insertions, 0 deletions

diff --git a/dxr3syncbuffer.h b/dxr3syncbuffer.h
new file mode 100644
index 0000000..01ae9b8
--- /dev/null
+++ b/dxr3syncbuffer.h
@@ -0,0 +1,198 @@
+/*
+ * dxr3syncbuffer.h
+ *
+ * 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
+ *
+ */
+
+#ifndef _DXR3SYNCBUFFER_H_
+#define _DXR3SYNCBUFFER_H_
+
+#include <stdint.h>
+
+#include "dxr3vdrincludes.h"
+#include "dxr3interface.h"
+#include "dxr3generaldefines.h"
+#include "dxr3nextpts.h"
+
+// ==================================
+const uint32_t UNKNOWN_CHANNEL_COUNT = 0xFFFFFFFF;
+const uint32_t UNKNOWN_DATA_RATE = 0xFFFFFFFF;
+const uint32_t UNKNOWN_ASPECT_RATIO = 0xFFFFFFFF;
+
+// ==================================
+class cFixedLengthFrame
+{
+public:
+    cFixedLengthFrame();
+    ~cFixedLengthFrame();
+
+    void Init(uint32_t lenght);
+
+    void CopyFrame(const uint8_t* pStart, int length, uint32_t pts,
+		   eFrameType type);
+    uint8_t* GetData(void);
+    int GetCount(void);
+    uint32_t GetPts(void);
+    void SetPts(uint32_t pts);
+    void SetChannelCount(uint32_t channelCount)
+    {
+	if (channelCount != UNKNOWN_CHANNEL_COUNT)
+	    m_staticAudioChannelCount = m_audioChannelCount = channelCount;
+	else
+	    m_audioChannelCount = m_staticAudioChannelCount;
+    };
+    void SetDataRate(uint32_t dataRate)
+    {
+	if (m_audioDataRate != UNKNOWN_DATA_RATE)
+	    m_staticAudioDataRate = m_audioDataRate = dataRate;
+	else
+	    m_audioDataRate = m_staticAudioDataRate;
+    };
+    void SetAspectRatio(uint32_t aspectRatio)
+    {
+	m_videoAspectRatio = aspectRatio;
+    };
+    uint32_t GetChannelCount(void)
+    {
+	return ((m_audioChannelCount == m_staticAudioChannelCount ||
+		 !m_staticAudioChannelCount)?
+		m_audioChannelCount : m_staticAudioChannelCount);
+    };
+    uint32_t GetDataRate(void)
+    {
+	return ((m_audioDataRate == m_staticAudioDataRate ||
+		 !m_staticAudioDataRate) ?
+		m_audioDataRate : m_staticAudioDataRate);
+    };
+    uint32_t GetAspectRatio(void)
+    {
+	return m_videoAspectRatio;
+    };
+    eFrameType GetFrameType(void)
+    {
+	return m_type;
+    }
+
+    static void Clear(void)
+    {
+	m_staticAudioDataRate = 0;
+	m_staticAudioChannelCount = 0;
+    };
+
+protected:
+    uint8_t* m_pData;
+    int m_count;
+    int m_length;
+    uint32_t m_pts;
+    eFrameType m_type;
+
+    uint32_t m_audioChannelCount;
+    uint32_t m_audioDataRate;
+    uint32_t m_videoAspectRatio;
+
+    static uint32_t m_staticAudioChannelCount;
+    static uint32_t m_staticAudioDataRate;
+
+private:
+    //cFixedLengthFrame(); // you are not allowed to use this constructor
+    cFixedLengthFrame(cFixedLengthFrame&); // no copy constructor
+
+};
+
+// ==================================
+class cDxr3SyncBuffer : public cRingBuffer
+{
+public:
+    enum eSyncBufferException
+    {
+	SYNC_BUFFER_OVERRUN
+    };
+public:
+    cDxr3SyncBuffer(int frameCount, int frameLength,
+		    cDxr3Interface& dxr3Device);
+    ~cDxr3SyncBuffer();
+
+    virtual int Available(void);
+    cFixedLengthFrame* Push(const uint8_t* pStart, int length, uint32_t pts,
+			    eFrameType type = ftUnknown)
+	throw (eSyncBufferException);
+    void Pop(void);
+    cFixedLengthFrame* Get(void);
+    void Clear(void);
+    void Stop(void)
+    {
+	m_bStopped = true;
+    };
+    void Start(void);
+    void WaitForSysClock(uint32_t pts, uint32_t delta);
+    void WaitForNextPut(void);
+    void WakeUp(void);
+    void WaitForReceiverStopped(void);
+    void SetDemuxMode(eDxr3DemuxMode demuxMode)
+    {
+	m_demuxMode = demuxMode;
+    };
+    eDxr3DemuxMode GetDemuxMode(void)
+    {
+	return m_demuxMode;
+    };
+    bool Poll(int TimeoutMs);
+    bool IsPolled(void)
+    {
+	return m_bPollSync;
+    };
+    uint32_t GetFillLevel(void)
+    {
+	return Available() * 100 / Size();
+    };
+
+protected:
+    void ReceiverStopped(void);
+
+    cFixedLengthFrame* m_pBuffer;
+    int m_count;
+    int m_nextFree;
+    int m_next;
+    bool m_bWaitPts;
+    bool m_bPutBlock;
+    bool m_bGetBlock;
+    bool m_bStartReceiver;
+    bool m_bStopped;
+    uint32_t m_waitPts;
+    uint32_t m_waitDelta;
+    uint32_t m_lastPts;
+    eDxr3DemuxMode m_demuxMode;
+
+    cCondVar receiverStopped;
+    cMutex receiverStoppedMutex;
+    cDxr3Interface& m_dxr3Device;
+    bool m_bPollSync;
+
+private:
+    cDxr3SyncBuffer(); // you are not allowed to use this constructor
+    cDxr3SyncBuffer(cDxr3SyncBuffer&); // no constructor
+};
+
+#endif /*_DXR3SYNCBUFFER_H_*/
+
+// Local variables:
+// mode: c++
+// c-file-style: "stroustrup"
+// c-file-offsets: ((inline-open . 0))
+// indent-tabs-mode: t
+// End: