66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
// Sega VGM music file emulator core
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// Game_Music_Emu $vers
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#ifndef VGM_CORE_H
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#define VGM_CORE_H
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#include "Gme_Loader.h"
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#include "../vgmplay/VGMPlay.h"
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class Vgm_Core : public Gme_Loader {
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public:
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typedef VGM_HEADER header_t;
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// VGM file header
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// Header for currently loaded file
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header_t const& header() const { return _header; }
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// Raw file data, for parsing GD3 tags
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byte const* file_begin() const { return Gme_Loader::file_begin(); }
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byte const* file_end () const { return Gme_Loader::file_end(); }
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// Adjusts music tempo, where 1.0 is normal. Can be changed while playing.
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// Loading a file resets tempo to 1.0.
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void set_tempo( double );
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void set_sample_rate( int r ) { sample_rate = r; }
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// Starts track
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void start_track();
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// Plays FM for at most count samples into *out, and returns number of
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// samples actually generated (always even).
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int play_( int count, short out [] );
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// True if all of file data has been played
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bool track_ended() const { return !!vgmp->VGMEnd; }
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// Skips the specified number of samples
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void skip_( int count );
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int get_channel_count();
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char* get_voice_name(int channel);
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void free_voice_name(char *);
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void set_mute(int mask);
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// Implementation
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public:
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Vgm_Core();
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~Vgm_Core();
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protected:
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virtual blargg_err_t load_mem_( byte const [], int );
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private:
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int sample_rate;
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header_t _header;
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VGM_PLAYER* vgmp;
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};
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#endif
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