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98 lines
3 KiB
C
98 lines
3 KiB
C
/*
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Copyright (C) 2003 Azimer
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Copyright (C) 2001,2006-2007 StrmnNrmn
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//
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// N.B. This source code is derived from Azimer's Audio plugin (v0.55?)
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// and modified by StrmnNrmn to work with Daedalus PSP. Thanks Azimer!
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// Drop me a line if you get chance :)
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//
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#ifndef HLEAUDIO_AUDIOHLEPROCESSOR_H_
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#define HLEAUDIO_AUDIOHLEPROCESSOR_H_
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#include "Base/Alignment.h"
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#include "Base/Types.h"
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struct AudioHLEState
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{
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void ClearBuffer( u16 addr, u16 count );
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void EnvMixer( u8 flags, u32 address );
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void Resample( u8 flags, u32 pitch, u32 address );
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void ADPCMDecode( u8 flags, u32 address );
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void LoadBuffer( u32 address );
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void SaveBuffer( u32 address );
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void LoadBuffer( u16 dram_dst, u32 ram_src, u16 count );
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void SaveBuffer( u32 ram_dst, u16 dmem_src, u16 count );
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//void SetSegment( u8 segment, u32 address );
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void SetLoop( u32 loopval );
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void SetBuffer( u8 flags, u16 in, u16 out, u16 count );
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void DmemMove( u32 dst, u32 src, u16 count );
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void LoadADPCM( u32 address, u16 count );
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void Interleave( u16 laddr, u16 raddr ); // Uses OutBuffer/Count
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void Interleave( u16 outaddr, u16 laddr, u16 raddr, u16 count );
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void Deinterleave( u16 outaddr, u16 inaddr, u16 count );
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void Mixer( u16 dmemout, u16 dmemin, s32 gain, u16 count );
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void Mixer( u16 dmemout, u16 dmemin, s32 gain );
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private:
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void ExtractSamplesScale( s32 * output, u32 inPtr, s32 vscale ) const;
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void ExtractSamples( s32 * output, u32 inPtr ) const;
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public:
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ALIGNED_TYPE(u8, Buffer[0x10000], 16); // Seems excesively large? 0x1000 should be enough, but will require to make many changes, ex update the bitfields
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u16 ADPCMTable[0x88];
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//u32 Segments[16]; // 0x0320
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// T8 = 0x360
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u16 InBuffer; // 0x0000(T8)
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u16 OutBuffer; // 0x0002(T8)
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u16 Count; // 0x0004(T8)
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s16 VolLeft; // 0x0006(T8)
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s16 VolRight; // 0x0008(T8)
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u16 AuxA; // 0x000A(T8)
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u16 AuxC; // 0x000C(T8)
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u16 AuxE; // 0x000E(T8)
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u32 LoopVal; // 0x0010(T8) // Value set by A_SETLOOP : Possible conflict with SETVOLUME???
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s16 VolTrgLeft; // 0x0010(T8)
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s32 VolRampLeft; //
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s16 VolTrgRight; //
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s32 VolRampRight; //
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s16 EnvDry; // 0x001C(T8)
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s16 EnvWet; // 0x001E(T8)
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};
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AudioHLEState gAudioHLEState;
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#endif // HLEAUDIO_AUDIOHLEPROCESSOR_H_
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