1 files changed, 0 insertions, 380 deletions
diff --git a/plugins/gme/game-music-emu-0.6.0/gme/Gym_Emu.cpp b/plugins/gme/game-music-emu-0.6.0/gme/Gym_Emu.cpp
deleted file mode 100644
index c286dea9..00000000
--- a/plugins/gme/game-music-emu-0.6.0/gme/Gym_Emu.cpp
+++ /dev/null
@@ -1,380 +0,0 @@
-// Game_Music_Emu 0.5.5. http://www.slack.net/~ant/
-
-#include "Gym_Emu.h"
-
-#include "blargg_endian.h"
-#include <string.h>
-
-/* Copyright (C) 2003-2006 Shay Green. This module 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
-module 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 Lesser General Public License for more
-details. You should have received a copy of the GNU Lesser General Public
-License along with this module; if not, write to the Free Software Foundation,
-Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
-
-#include "blargg_source.h"
-
-double const min_tempo = 0.25;
-double const oversample_factor = 5 / 3.0;
-double const fm_gain = 3.0;
-
-const long base_clock = 53700300;
-const long clock_rate = base_clock / 15;
-
-Gym_Emu::Gym_Emu()
-{
-	data = 0;
-	pos  = 0;
-	set_type( gme_gym_type );
-	
-	static const char* const names [] = {
-		"FM 1", "FM 2", "FM 3", "FM 4", "FM 5", "FM 6", "PCM", "PSG"
-	};
-	set_voice_names( names );
-	set_silence_lookahead( 1 ); // tracks should already be trimmed
-}
-
-Gym_Emu::~Gym_Emu() { }
-
-// Track info
-
-static void get_gym_info( Gym_Emu::header_t const& h, long length, track_info_t* out )
-{
-	if ( !memcmp( h.tag, "GYMX", 4 ) )
-	{
-		length = length * 50 / 3; // 1000 / 60
-		long loop = get_le32( h.loop_start );
-		if ( loop )
-		{
-			out->intro_length = loop * 50 / 3;
-			out->loop_length  = length - out->intro_length;
-		}
-		else
-		{
-			out->length = length;
-			out->intro_length = length; // make it clear that track is no longer than length
-			out->loop_length = 0;
-		}
-		
-		// more stupidity where the field should have been left
-		if ( strcmp( h.song, "Unknown Song" ) )
-			GME_COPY_FIELD( h, out, song );
-		
-		if ( strcmp( h.game, "Unknown Game" ) )
-			GME_COPY_FIELD( h, out, game );
-		
-		if ( strcmp( h.copyright, "Unknown Publisher" ) )
-			GME_COPY_FIELD( h, out, copyright );
-		
-		if ( strcmp( h.dumper, "Unknown Person" ) )
-			GME_COPY_FIELD( h, out, dumper );
-		
-		if ( strcmp( h.comment, "Header added by YMAMP" ) )
-			GME_COPY_FIELD( h, out, comment );
-	}
-}
-
-blargg_err_t Gym_Emu::track_info_( track_info_t* out, int ) const
-{
-	get_gym_info( header_, track_length(), out );
-	return 0;
-}
-
-static long gym_track_length( byte const* p, byte const* end )
-{
-	long time = 0;
-	while ( p < end )
-	{
-		switch ( *p++ )
-		{
-			case 0:
-				time++;
-				break;
-			
-			case 1:
-			case 2:
-				p += 2;
-				break;
-			
-			case 3:
-				p += 1;
-				break;
-		}
-	}
-	return time;
-}
-
-long Gym_Emu::track_length() const { return gym_track_length( data, data_end ); }
-
-static blargg_err_t check_header( byte const* in, long size, int* data_offset = 0 )
-{
-	if ( size < 4 )
-		return gme_wrong_file_type;
-	
-	if ( memcmp( in, "GYMX", 4 ) == 0 )
-	{
-		if ( size < Gym_Emu::header_size + 1 )
-			return gme_wrong_file_type;
-		
-		if ( memcmp( ((Gym_Emu::header_t const*) in)->packed, "\0\0\0\0", 4 ) != 0 )
-			return "Packed GYM file not supported";
-		
-		if ( data_offset )
-			*data_offset = Gym_Emu::header_size;
-	}
-	else if ( *in > 3 )
-	{
-		return gme_wrong_file_type;
-	}
-	
-	return 0;
-}
-
-struct Gym_File : Gme_Info_
-{
-	byte const* file_begin;
-	byte const* file_end;
-	int data_offset;
-	
-	Gym_File() { set_type( gme_gym_type ); }
-	
-	blargg_err_t load_mem_( byte const* in, long size )
-	{
-		file_begin = in;
-		file_end   = in + size;
-		data_offset = 0;
-		return check_header( in, size, &data_offset );
-	}
-	
-	blargg_err_t track_info_( track_info_t* out, int ) const
-	{
-		long length = gym_track_length( &file_begin [data_offset], file_end );
-		get_gym_info( *(Gym_Emu::header_t const*) file_begin, length, out );
-		return 0;
-	}
-};
-
-static Music_Emu* new_gym_emu () { return BLARGG_NEW Gym_Emu ; }
-static Music_Emu* new_gym_file() { return BLARGG_NEW Gym_File; }
-
-static gme_type_t_ const gme_gym_type_ = { "Sega Genesis", 1, &new_gym_emu, &new_gym_file, "GYM", 0 };
-gme_type_t const gme_gym_type = &gme_gym_type_;
-
-// Setup
-
-blargg_err_t Gym_Emu::set_sample_rate_( long sample_rate )
-{
-	blip_eq_t eq( -32, 8000, sample_rate );
-	apu.treble_eq( eq );
-	dac_synth.treble_eq( eq );
-	apu.volume( 0.135 * fm_gain * gain() );
-	dac_synth.volume( 0.125 / 256 * fm_gain * gain() );
-	double factor = Dual_Resampler::setup( oversample_factor, 0.990, fm_gain * gain() );
-	fm_sample_rate = sample_rate * factor;
-	
-	RETURN_ERR( blip_buf.set_sample_rate( sample_rate, int (1000 / 60.0 / min_tempo) ) );
-	blip_buf.clock_rate( clock_rate );
-	
-	RETURN_ERR( fm.set_rate( fm_sample_rate, base_clock / 7.0 ) );
-	RETURN_ERR( Dual_Resampler::reset( long (1.0 / 60 / min_tempo * sample_rate) ) );
-	
-	return 0;
-}
-
-void Gym_Emu::set_tempo_( double t )
-{
-	if ( t < min_tempo )
-	{
-		set_tempo( min_tempo );
-		return;
-	}
-	
-	if ( blip_buf.sample_rate() )
-	{
-		clocks_per_frame = long (clock_rate / 60 / tempo());
-		Dual_Resampler::resize( long (sample_rate() / (60.0 * tempo())) );
-	}
-}
-
-void Gym_Emu::mute_voices_( int mask )
-{
-	Music_Emu::mute_voices_( mask );
-	fm.mute_voices( mask );
-	dac_muted = (mask & 0x40) != 0;
-	apu.output( (mask & 0x80) ? 0 : &blip_buf );
-}
-
-blargg_err_t Gym_Emu::load_mem_( byte const* in, long size )
-{
-	assert( offsetof (header_t,packed [4]) == header_size );
-	int offset = 0;
-	RETURN_ERR( check_header( in, size, &offset ) );
-	set_voice_count( 8 );
-	
-	data     = in + offset;
-	data_end = in + size;
-	loop_begin = 0;
-	
-	if ( offset )
-		header_ = *(header_t const*) in;
-	else
-		memset( &header_, 0, sizeof header_ );
-	
-	return 0;
-}
-
-// Emulation
-
-blargg_err_t Gym_Emu::start_track_( int track )
-{
-	RETURN_ERR( Music_Emu::start_track_( track ) );
-	
-	pos         = data;
-	loop_remain = get_le32( header_.loop_start );
-	
-	prev_dac_count = 0;
-	dac_enabled    = false;
-	dac_amp        = -1;
-	
-	fm.reset();
-	apu.reset();
-	blip_buf.clear();
-	Dual_Resampler::clear();
-	return 0;
-}
-
-void Gym_Emu::run_dac( int dac_count )
-{
-	// Guess beginning and end of sample and adjust rate and buffer position accordingly.
-	
-	// count dac samples in next frame
-	int next_dac_count = 0;
-	const byte* p = this->pos;
-	int cmd;
-	while ( (cmd = *p++) != 0 )
-	{
-		int data = *p++;
-		if ( cmd <= 2 )
-			++p;
-		if ( cmd == 1 && data == 0x2A )
-			next_dac_count++;
-	}
-	
-	// detect beginning and end of sample
-	int rate_count = dac_count;
-	int start = 0;
-	if ( !prev_dac_count && next_dac_count && dac_count < next_dac_count )
-	{
-		rate_count = next_dac_count;
-		start = next_dac_count - dac_count;
-	}
-	else if ( prev_dac_count && !next_dac_count && dac_count < prev_dac_count )
-	{
-		rate_count = prev_dac_count;
-	}
-	
-	// Evenly space samples within buffer section being used
-	blip_resampled_time_t period = blip_buf.resampled_duration( clocks_per_frame ) / rate_count;
-	
-	blip_resampled_time_t time = blip_buf.resampled_time( 0 ) +
-			period * start + (period >> 1);
-	
-	int dac_amp = this->dac_amp;
-	if ( dac_amp < 0 )
-		dac_amp = dac_buf [0];
-	
-	for ( int i = 0; i < dac_count; i++ )
-	{
-		int delta = dac_buf [i] - dac_amp;
-		dac_amp += delta;
-		dac_synth.offset_resampled( time, delta, &blip_buf );
-		time += period;
-	}
-	this->dac_amp = dac_amp;
-}
-
-void Gym_Emu::parse_frame()
-{
-	int dac_count = 0;
-	const byte* pos = this->pos;
-	
-	if ( loop_remain && !--loop_remain )
-		loop_begin = pos; // find loop on first time through sequence
-	
-	int cmd;
-	while ( (cmd = *pos++) != 0 )
-	{
-		int data = *pos++;
-		if ( cmd == 1 )
-		{
-			int data2 = *pos++;
-			if ( data != 0x2A )
-			{
-				if ( data == 0x2B )
-					dac_enabled = (data2 & 0x80) != 0;
-				
-				fm.write0( data, data2 );
-			}
-			else if ( dac_count < (int) sizeof dac_buf )
-			{
-				dac_buf [dac_count] = data2;
-				dac_count += dac_enabled;
-			}
-		}
-		else if ( cmd == 2 )
-		{
-			fm.write1( data, *pos++ );
-		}
-		else if ( cmd == 3 )
-		{
-			apu.write_data( 0, data );
-		}
-		else
-		{
-			// to do: many GYM streams are full of errors, and error count should
-			// reflect cases where music is really having problems
-			//log_error(); 
-			--pos; // put data back
-		}
-	}
-	
-	// loop
-	if ( pos >= data_end )
-	{
-		check( pos == data_end );
-		
-		if ( loop_begin )
-			pos = loop_begin;
-		else
-			set_track_ended();
-	}
-	this->pos = pos;
-	
-	// dac
-	if ( dac_count && !dac_muted )
-		run_dac( dac_count );
-	prev_dac_count = dac_count;
-}
-
-int Gym_Emu::play_frame( blip_time_t blip_time, int sample_count, sample_t* buf )
-{
-	if ( !track_ended() )
-		parse_frame();
-	
-	apu.end_frame( blip_time );
-	
-	memset( buf, 0, sample_count * sizeof *buf );
-	fm.run( sample_count >> 1, buf );
-	
-	return sample_count;
-}
-
-blargg_err_t Gym_Emu::play_( long count, sample_t* out )
-{
-	Dual_Resampler::dual_play( count, out, blip_buf );
-	return 0;
-}