ee7aae922d
Audio Chunks now have full timestamp accounting, including DSP playback speed ratio for the one DSP that can change play ratio, Rubber Band. Inputs which support looping and actually reporting the absolute play position now do so. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
98 lines
2.5 KiB
C++
98 lines
2.5 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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unsigned long Tell() const;
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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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