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