1 files changed, 88 insertions, 0 deletions
diff --git a/src/video/AudioDecoderThread.h b/src/video/AudioDecoderThread.h
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+++ b/src/video/AudioDecoderThread.h
@@ -0,0 +1,88 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library 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 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+//  Original author of this file is Nick Hebner (hebnern@gmail.com).
+//
+
+#ifndef _AudioDecoderThread_H_
+#define _AudioDecoderThread_H_
+
+#include "../avgconfigwrapper.h"
+#include "VideoMsg.h"
+
+#include "../base/WorkerThread.h"
+#include "../base/Command.h"
+#include "../audio/AudioParams.h"
+
+#include "WrapFFMpeg.h"
+
+#include <boost/thread.hpp>
+
+#include <string>
+
+namespace avg {
+
+class AVG_API AudioDecoderThread : public WorkerThread<AudioDecoderThread> {
+    public:
+        AudioDecoderThread(CQueue& cmdQ, AudioMsgQueue& msgQ, VideoMsgQueue& packetQ, 
+                AVStream* pStream, const AudioParams& ap);
+        virtual ~AudioDecoderThread();
+        
+        bool work();
+
+    private:
+        void decodePacket(AVPacket* pPacket);
+        void handleSeekDone(AVPacket* pPacket);
+        void discardPacket(AVPacket* pPacket);
+        AudioBufferPtr resampleAudio(char* pDecodedData, int framesDecoded,
+                int currentSampleFormat);
+        void insertSilence(float duration);
+        void planarToInterleaved(char* pOutput, char* pInput, int numChannels, 
+                int numSamples);
+        void pushAudioMsg(AudioBufferPtr pBuffer, float time);
+        void pushSeekDone(float time, int seqNum);
+        void pushEOF();
+        int getBytesPerSample(int sampleFormat);
+
+        AudioMsgQueue& m_MsgQ;
+        VideoMsgQueue& m_PacketQ;
+        AudioParams m_AP;
+
+        AVStream * m_pStream;
+
+        int m_InputSampleRate;
+        int m_InputSampleFormat;
+#ifdef LIBAVRESAMPLE_VERSION
+        AVAudioResampleContext * m_pResampleContext;
+#else
+        ReSampleContext * m_pResampleContext;
+#endif
+        float m_AudioStartTimestamp;
+        float m_LastFrameTime;
+    
+        enum State {DECODING, SEEK_DONE, DISCARDING};
+        State m_State;
+        int m_SeekSeqNum;
+        float m_SeekTime;
+};
+
+}
+#endif 
+