Initial community commit

Src/replicant/nsmp3dec/mp2decode.h

@@ -0,0 +1,50 @@
+#ifndef __MP2DECODE_H__
+#define __MP2DECODE_H__
+
+/* ------------------------ includes --------------------------------------*/
+
+#include "mpeg.h"
+#include "mpegbitstream.h"
+#include "polyphase.h"
+
+/*-------------------------------------------------------------------------*/
+
+//
+// MPEG Layer-2 decoding class.
+//
+//  This is the main MPEG Layer-2 decoder object.
+//
+
+class CMp2Decode
+{
+public:
+  CMp2Decode(CMpegBitStream &_Bs, DecoderHooks *_hooks=0);
+  ~CMp2Decode();
+
+  void Init(bool fFullReset = true);
+
+  SSC Decode(void *pPcm, size_t cbPcm, size_t *pcbUsed);
+
+private:
+  SSC Decode2(void *pPcm);
+  SSC Decode1(void *pPcm);
+
+  void ZeroPolySpectrum();
+  void SetInfo();
+
+  CPolyphase        m_Polyphase;   // polyphase
+
+  MPEG_INFO         m_Info;        // info structure
+  CMpegBitStream   &m_Bs;          // bitstream
+
+  POLYSPECTRUM      m_PolySpectrum;                  // spectrum (post-mdct)
+
+  char m_tab_3[32 * 3];
+  char m_tab_5[128 * 3];
+  char m_tab_9[1024 * 3];
+  float m_scales[27][64];
+	DecoderHooks *hooks;
+};
+
+/*-------------------------------------------------------------------------*/
+#endif