98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
#ifndef __MIDIPlayer_h__
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#define __MIDIPlayer_h__
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#include <midi_processing/midi_container.h>
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class MIDIPlayer {
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public:
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enum {
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loop_mode_enable = 1 << 0,
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loop_mode_force = 1 << 1
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};
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typedef enum {
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filter_default = 0,
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filter_gm,
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filter_gm2,
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filter_sc55,
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filter_sc88,
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filter_sc88pro,
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filter_sc8850,
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filter_xg
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} filter_mode;
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// zero variables
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MIDIPlayer();
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// close, unload
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virtual ~MIDIPlayer(){};
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// setup
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void setSampleRate(unsigned long rate);
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void setLoopMode(unsigned int mode);
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void setFilterMode(filter_mode m, bool disable_reverb_chorus);
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bool Load(const midi_container& midi_file, unsigned subsong, unsigned loop_mode, unsigned clean_flags);
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unsigned long Play(float* out, unsigned long count);
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void Seek(unsigned long sample);
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bool GetLastError(std::string& p_out);
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protected:
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// this should return the block size that the renderer expects, otherwise 0
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virtual unsigned int send_event_needs_time() {
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return 0;
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}
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virtual void send_event(uint32_t b) {
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}
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virtual void send_sysex(const uint8_t* event, size_t size, size_t port){};
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virtual void render(float* out, unsigned long count) {
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}
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virtual void shutdown(){};
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virtual bool startup() {
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return false;
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}
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virtual bool get_last_error(std::string& p_out) {
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return false;
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}
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// time should only be block level offset
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virtual void send_event_time(uint32_t b, unsigned int time){};
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virtual void send_sysex_time(const uint8_t* event, size_t size, size_t port, unsigned int time){};
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unsigned long uSampleRate;
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system_exclusive_table mSysexMap;
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bool initialized;
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filter_mode mode;
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bool reverb_chorus_disabled;
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void sysex_reset(size_t port, unsigned int time);
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private:
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void send_event_filtered(uint32_t b);
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void send_sysex_filtered(const uint8_t* event, size_t size, size_t port);
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void send_event_time_filtered(uint32_t b, unsigned int time);
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void send_sysex_time_filtered(const uint8_t* event, size_t size, size_t port, unsigned int time);
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void sysex_send_gs(size_t port, uint8_t* data, size_t size, unsigned int time);
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void sysex_reset_sc(uint32_t port, unsigned int time);
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unsigned long uSamplesRemaining;
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unsigned uLoopMode;
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std::vector<midi_stream_event> mStream;
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unsigned long uStreamPosition;
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unsigned long uTimeCurrent;
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unsigned long uTimeEnd;
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unsigned long uStreamLoopStart;
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unsigned long uTimeLoopStart;
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unsigned long uStreamEnd;
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};
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#endif
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