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https://github.com/ZDoom/gzdoom-gles.git
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3bfcc5c09c
spc_amp from a x.4 fixed point number to a normal float. - Switched SPC playback from the external SNESAPU.DLL to Blargg's LGPL snes_spc library. I've compiled it with the fast DSP rather than the highly accurate one, since I didn't notice a meaningful difference between the two in my limited testing. In short: SPC playback is now built in to ZDoom. You don't need to download anything extra to make it work, and it also works on Linux as well as Windows (though building with Linux is currently untested). - Fixed: Stereo separation was calculated very wrongly when in 2D sound mode. SVN r794 (trunk)
73 lines
4.1 KiB
C++
73 lines
4.1 KiB
C++
// snes_spc 0.9.0. http://www.slack.net/~ant/
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#include "spc.h"
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#include "SNES_SPC.h"
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#include "SPC_Filter.h"
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/* Copyright (C) 2004-2007 Shay Green. This module is free software; you
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can redistribute it and/or modify it under the terms of the GNU Lesser
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General Public License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version. This
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module is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details. You should have received a copy of the GNU Lesser General Public
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License along with this module; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "blargg_source.h"
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SNES_SPC* spc_new( void )
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{
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// be sure constants match
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assert( spc_sample_rate == (int) SNES_SPC::sample_rate );
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assert( spc_rom_size == (int) SNES_SPC::rom_size );
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assert( spc_clock_rate == (int) SNES_SPC::clock_rate );
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assert( spc_clocks_per_sample == (int) SNES_SPC::clocks_per_sample );
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assert( spc_port_count == (int) SNES_SPC::port_count );
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assert( spc_voice_count == (int) SNES_SPC::voice_count );
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assert( spc_tempo_unit == (int) SNES_SPC::tempo_unit );
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assert( spc_file_size == (int) SNES_SPC::spc_file_size );
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#if !SPC_NO_COPY_STATE_FUNCS
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assert( spc_state_size == (int) SNES_SPC::state_size );
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#endif
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SNES_SPC* s = new SNES_SPC;
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if ( s && s->init() )
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{
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delete s;
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s = 0;
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}
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return s;
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}
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void spc_delete ( SNES_SPC* s ) { delete s; }
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void spc_init_rom ( SNES_SPC* s, unsigned char const r [64] ) { s->init_rom( r ); }
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void spc_set_output ( SNES_SPC* s, spc_sample_t* p, int n ) { s->set_output( p, n ); }
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int spc_sample_count ( SNES_SPC const* s ) { return s->sample_count(); }
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void spc_reset ( SNES_SPC* s ) { s->reset(); }
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void spc_soft_reset ( SNES_SPC* s ) { s->soft_reset(); }
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int spc_read_port ( SNES_SPC* s, spc_time_t t, int p ) { return s->read_port( t, p ); }
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void spc_write_port ( SNES_SPC* s, spc_time_t t, int p, int d ) { s->write_port( t, p, d ); }
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void spc_end_frame ( SNES_SPC* s, spc_time_t t ) { s->end_frame( t ); }
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void spc_mute_voices ( SNES_SPC* s, int mask ) { s->mute_voices( mask ); }
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void spc_disable_surround( SNES_SPC* s, int disable ) { s->disable_surround( !!disable ); }
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void spc_set_tempo ( SNES_SPC* s, int tempo ) { s->set_tempo( tempo ); }
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spc_err_t spc_load_spc ( SNES_SPC* s, void const* p, long n ) { return s->load_spc( p, n ); }
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void spc_clear_echo ( SNES_SPC* s ) { s->clear_echo(); }
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spc_err_t spc_play ( SNES_SPC* s, int count, short* out ) { return s->play( count, out ); }
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spc_err_t spc_skip ( SNES_SPC* s, int count ) { return s->skip( count ); }
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#if !SPC_NO_COPY_STATE_FUNCS
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void spc_copy_state ( SNES_SPC* s, unsigned char** p, spc_copy_func_t f ) { s->copy_state( p, f ); }
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void spc_init_header ( void* spc_out ) { SNES_SPC::init_header( spc_out ); }
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void spc_save_spc ( SNES_SPC* s, void* spc_out ) { s->save_spc( spc_out ); }
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int spc_check_kon ( SNES_SPC* s ) { return s->check_kon(); }
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#endif
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SPC_Filter* spc_filter_new( void ) { return new SPC_Filter; }
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void spc_filter_delete( SPC_Filter* f ) { delete f; }
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void spc_filter_run( SPC_Filter* f, spc_sample_t* p, int s ) { f->run( p, s ); }
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void spc_filter_clear( SPC_Filter* f ) { f->clear(); }
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void spc_filter_set_gain( SPC_Filter* f, int gain ) { f->set_gain( gain ); }
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void spc_filter_set_bass( SPC_Filter* f, int bass ) { f->set_bass( bass ); }
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