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Viewing changes to src/plugins/gme/gme/Vgm_Emu_Impl.h

  • Committer: Bazaar Package Importer
  • Author(s): Benjamin Drung
  • Date: 2008-07-04 16:23:34 UTC
  • mfrom: (1.1.5 upstream) (6.1.1 lenny)
  • Revision ID: james.westby@ubuntu.com-20080704162334-b3esbkcapt8wbrk4
Tags: 0.5DrLecter-2ubuntu1
https://launchpad.net/bugs/241098
https://launchpad.net/bugs/212566
https://launchpad.net/bugs/222341
* Merge from debian unstable (LP: #241098), remaining changes:
  + debian/control:
    + Update Maintainer field
    + add lpia to xmms2-plugin-alsa supported architectures
    + Added liba52-0.7.4-dev to build depends
  + debian/rules: Added patch, patch-stamp and unpatch
  + changed 01_gcc4.3.patch:
    + src/include/xmmsclient/xmmsclient++/helpers.h: Added #include <climits>
* New upstream relase fixes LP: #212566, #222341

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src/plugins/gme/gme/Vgm_Emu_Impl.h
 
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// Low-level parts of Vgm_Emu
 
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// Game_Music_Emu 0.5.2
 
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#ifndef VGM_EMU_IMPL_H
 
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#define VGM_EMU_IMPL_H
 
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#include "Dual_Resampler.h"
 
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#include "Classic_Emu.h"
 
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#include "Ym2413_Emu.h"
 
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#include "Ym2612_Emu.h"
 
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#include "Sms_Apu.h"
 
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template<class Emu>
 
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class Ym_Emu : public Emu {
 
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protected:
 
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        int last_time;
 
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        short* out;
 
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        enum { disabled_time = -1 };
 
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public:
 
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        Ym_Emu()                        : last_time( disabled_time ), out( NULL ) { }
 
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        void enable( bool b )           { last_time = b ? 0 : disabled_time; }
 
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        bool enabled() const            { return last_time != disabled_time; }
 
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        void begin_frame( short* p );
 
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        int run_until( int time );
 
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};
 
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class Vgm_Emu_Impl : public Classic_Emu, private Dual_Resampler {
 
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public:
 
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        typedef Classic_Emu::sample_t sample_t;
 
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protected:
 
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        enum { stereo = 2 };
 
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        typedef int vgm_time_t;
 
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        enum { fm_time_bits = 12 };
 
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        typedef int fm_time_t;
 
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        long fm_time_offset;
 
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        int fm_time_factor;
 
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        fm_time_t to_fm_time( vgm_time_t ) const;
 
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        enum { blip_time_bits = 12 };
 
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        int blip_time_factor;
 
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        blip_time_t to_blip_time( vgm_time_t ) const;
 
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        byte const* data;
 
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        byte const* loop_begin;
 
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        byte const* data_end;
 
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        void update_fm_rates( long* ym2413_rate, long* ym2612_rate ) const;
 
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        vgm_time_t vgm_time;
 
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        byte const* pos;
 
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        blip_time_t run_commands( vgm_time_t );
 
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        int play_frame( blip_time_t blip_time, int sample_count, sample_t* buf );
 
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        byte const* pcm_data;
 
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        byte const* pcm_pos;
 
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        int dac_amp;
 
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        int dac_disabled; // -1 if disabled
 
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        void write_pcm( vgm_time_t, int amp );
 
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        Ym_Emu<Ym2612_Emu> ym2612;
 
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        Ym_Emu<Ym2413_Emu> ym2413;
 
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        Blip_Buffer blip_buf;
 
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        Sms_Apu psg;
 
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        Blip_Synth<blip_med_quality,1> dac_synth;
 
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        friend class Vgm_Emu;
 
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};
 
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#endif