1 files changed, 97 insertions, 0 deletions
diff --git a/dxr3audiodecoder.h b/dxr3audiodecoder.h
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+/*
+ * dxr3audiodecoder.h
+ *
+ * Copyright (C) 2002-2004 Kai Möller
+ * Copyright (C) 2004 Christian Gmeiner
+ *
+ * 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 _DXR3_AUDIODECODER_H_
+#define _DXR3_AUDIODECODER_H_
+
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "dxr3ffmpeg.h"
+#include "dxr3syncbuffer.h"
+#include "dxr3multichannelaudio.h"
+
+// ==================================
+// decode audio to mp2 or use DD :)
+class cDxr3AudioDecoder
+{
+public:
+    cDxr3AudioDecoder();
+    ~cDxr3AudioDecoder();
+
+    void Init(void); // init in const?
+
+    void Decode(const uint8_t* buf, int length, uint32_t pts,
+		cDxr3SyncBuffer &aBuf);
+    void DecodeLpcm(const uint8_t* buf, int length, uint32_t pts,
+		    cDxr3SyncBuffer &aBuf);
+    void DecodeAc3Dts(const uint8_t* pPes, const uint8_t* buf, int length,
+		      uint32_t pts, cDxr3SyncBuffer &aBuf);
+
+    int GetRate(void) const
+    {
+	return rate;
+    }
+    int GetChannelCount(void) const
+    {
+	return channels;
+    }
+    int GetFrameSize(void) const
+    {
+	return frameSize;
+    }
+    void Reset(void)
+    {
+	ac3dtsDecoder.Clear();
+	rbuf.Clear();
+    }
+
+private:
+    bool HeadCheck(unsigned long head);
+
+    struct Dxr3Codec Codec;
+
+    cRingBufferFrame rbuf;
+    cMultichannelAudio ac3dtsDecoder;
+
+    bool audioSynched;
+    bool decoderOpened;
+    uint8_t lastHeader[4];
+    int rate;
+    int channels;
+    uint32_t frameSize;
+    uint8_t pcmbuf[AVCODEC_MAX_AUDIO_FRAME_SIZE];
+    int volume;
+    bool foundHeader;
+    bool decodeAudio;
+
+    cDxr3AudioDecoder(cDxr3AudioDecoder&); // no copy constructor
+};
+
+#endif /*_DXR3_AUDIODECODER_H_*/
+
+// Local variables:
+// mode: c++
+// c-file-style: "stroustrup"
+// c-file-offsets: ((inline-open . 0))
+// indent-tabs-mode: t
+// End: