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// Simple game music file player
// Game_Music_Emu 0.5.2
#ifndef MUSIC_PLAYER_H
#define MUSIC_PLAYER_H
#include "gme/Music_Emu.h"
class Music_Player {
public:
// Initialize player and set sample rate
blargg_err_t init( long sample_rate = 44100 );
// Load game music file. NULL on success, otherwise error string.
blargg_err_t load_file( const char* path );
// (Re)start playing track. Tracks are numbered from 0 to track_count() - 1.
blargg_err_t start_track( int track );
// Stop playing current file
void stop();
// Optional functions
// Number of tracks in current file, or 0 if no file loaded.
int track_count() const;
// Info for current track
track_info_t const& track_info() const { return track_info_; }
// Pause/resume playing current track.
void pause( int );
// True if track ended
bool track_ended() const;
// Pointer to emulator
Music_Emu* emu() const { return emu_; }
// Set stereo depth, where 0.0 = none and 1.0 = maximum
void set_stereo_depth( double );
// Set tempo, where 0.5 = half speed, 1.0 = normal, 2.0 = double speed
void set_tempo( double );
// Set voice muting bitmask
void mute_voices( int );
// Set buffer to copy samples from each buffer into, or NULL to disable
typedef short sample_t;
void set_scope_buffer( sample_t* buf, int size ) { scope_buf = buf; scope_buf_size = size; }
public:
Music_Player();
~Music_Player();
private:
Music_Emu* emu_;
sample_t* scope_buf;
long sample_rate;
int scope_buf_size;
bool paused;
track_info_t track_info_;
void suspend();
void resume();
static void fill_buffer( void*, sample_t*, int );
};
#endif
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