X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fevoral%2Fevoral%2FEvent.hpp;h=da3b185f10041bb13d4e14ba416e2f9033b1650c;hb=901432f030f3120d420f3ea245a8c0b2ef0353f5;hp=59e5612e0e54c42f0401531e49a50af95fa5ad4a;hpb=8f930477be9e2c88859a8ea30b213fba3f7fc443;p=ardour.git diff --git a/libs/evoral/evoral/Event.hpp b/libs/evoral/evoral/Event.hpp index 59e5612e0e..da3b185f10 100644 --- a/libs/evoral/evoral/Event.hpp +++ b/libs/evoral/evoral/Event.hpp @@ -1,5 +1,5 @@ /* This file is part of Evoral. - * Copyright (C) 2008 David Robillard + * Copyright (C) 2008-2016 David Robillard * Copyright (C) 2000-2008 Paul Davis * * Evoral is free software; you can redistribute it and/or modify it under the @@ -19,14 +19,14 @@ #ifndef EVORAL_EVENT_HPP #define EVORAL_EVENT_HPP -#include #include #include #include #include -#include "evoral/visibility.h" +#include "evoral/midi_events.h" #include "evoral/types.hpp" +#include "evoral/visibility.h" /** If this is not defined, all methods of MidiEvent are RT safe * but MidiEvent will never deep copy and (depending on the scenario) @@ -38,7 +38,7 @@ namespace Evoral { LIBEVORAL_API event_id_t event_id_counter(); LIBEVORAL_API event_id_t next_event_id(); -LIBEVORAL_API void init_event_id_counter(event_id_t n); +LIBEVORAL_API void init_event_id_counter(event_id_t n); /** An event (much like a type generic jack_midi_event_t) * @@ -48,7 +48,9 @@ template class LIBEVORAL_API Event { public: #ifdef EVORAL_EVENT_ALLOC - Event (EventType type=0, Time time=0, uint32_t size=0, uint8_t* buf=NULL, bool alloc=false); + Event(EventType type=NO_EVENT, Time time=Time(), uint32_t size=0, uint8_t* buf=NULL, bool alloc=false); + + Event(EventType type, Time time, uint32_t size, const uint8_t* buf); /** Copy \a copy. * @@ -58,39 +60,28 @@ public: */ Event(const Event& copy, bool alloc); - ~Event(); + ~Event(); - const Event& operator=(const Event& copy); + void assign(const Event& other); void set(const uint8_t* buf, uint32_t size, Time t); inline bool operator==(const Event& other) const { - if (_type != other._type) - return false; - - if (_nominal_time != other._nominal_time) - return false; - - if (_original_time != other._original_time) - return false; - - if (_size != other._size) + if (_type != other._type || _time != other._time || _size != other._size) { return false; - - if (_buf == other._buf) - return true; - - for (uint32_t i=0; i < _size; ++i) - if (_buf[i] != other._buf[i]) - return false; - - return true; + } + return !memcmp(_buf, other._buf, _size); } inline bool operator!=(const Event& other) const { return ! operator==(other); } inline bool owns_buffer() const { return _owns_buf; } + /** set event data (e.g. midi data) + * @param size number of bytes + * @param buf raw 8bit data + * @param own set to true if the buffer owns the data (copy, allocate/free) or false to reference previously allocated data. + */ inline void set_buffer(uint32_t size, uint8_t* buf, bool own) { if (_owns_buf) { free(_buf); @@ -114,49 +105,101 @@ public: } inline void clear() { - _type = 0; - _original_time = 0; - _nominal_time = 0; + _type = NO_EVENT; + _time = Time(); _size = 0; _buf = NULL; } -#else - - inline void set_buffer(uint8_t* buf) { _buf = buf; } - #endif // EVORAL_EVENT_ALLOC inline EventType event_type() const { return _type; } - inline Time time() const { return _nominal_time; } - inline Time original_time() const { return _original_time; } + inline Time time() const { return _time; } inline uint32_t size() const { return _size; } inline const uint8_t* buffer() const { return _buf; } inline uint8_t* buffer() { return _buf; } inline void set_event_type(EventType t) { _type = t; } - void set_time(Time); - void set_original_time(Time); + inline void set_time(Time t) { _time = t; } inline event_id_t id() const { return _id; } inline void set_id(event_id_t n) { _id = n; } + /* The following methods are type specific and only make sense for the + correct event type. It is the caller's responsibility to only call + methods which make sense for the given event type. Currently this means + they all only make sense for MIDI, but built-in support may be added for + other protocols in the future, or the internal representation may change + to be protocol agnostic. */ + + uint8_t type() const { return _buf[0] & 0xF0; } + uint8_t channel() const { return _buf[0] & 0x0F; } + bool is_note_on() const { return type() == MIDI_CMD_NOTE_ON; } + bool is_note_off() const { return type() == MIDI_CMD_NOTE_OFF; } + bool is_note() const { return is_note_on() || is_note_off(); } + bool is_poly_pressure() const { return type() == MIDI_CMD_NOTE_PRESSURE; } + bool is_channel_pressure() const { return type() == MIDI_CMD_CHANNEL_PRESSURE; } + bool is_cc() const { return type() == MIDI_CMD_CONTROL; } + bool is_pgm_change() const { return type() == MIDI_CMD_PGM_CHANGE; } + bool is_pitch_bender() const { return type() == MIDI_CMD_BENDER; } + bool is_channel_event() const { return (0x80 <= type()) && (type() <= 0xE0); } + bool is_smf_meta_event() const { return _buf[0] == 0xFF; } + bool is_sysex() const { return _buf[0] == 0xF0 || _buf[0] == 0xF7; } + bool is_spp() const { return _buf[0] == 0xF2 && size() == 1; } + bool is_mtc_quarter() const { return _buf[0] == 0xF1 && size() == 1; } + bool is_mtc_full() const { return (size() == 10 && + _buf[0] == 0xF0 && _buf[1] == 0x7F && + _buf[3] == 0x01 && _buf[4] == 0x01); } + + uint8_t note() const { return _buf[1]; } + uint8_t velocity() const { return _buf[2]; } + uint8_t poly_note() const { return _buf[1]; } + uint8_t poly_pressure() const { return _buf[2]; } + uint8_t channel_pressure() const { return _buf[1]; } + uint8_t cc_number() const { return _buf[1]; } + uint8_t cc_value() const { return _buf[2]; } + uint8_t pgm_number() const { return _buf[1]; } + uint8_t pitch_bender_lsb() const { return _buf[1]; } + uint8_t pitch_bender_msb() const { return _buf[2]; } + uint16_t pitch_bender_value() const { return ((0x7F & _buf[2]) << 7 | (0x7F & _buf[1])); } + + void set_channel(uint8_t channel) { _buf[0] = (0xF0 & _buf[0]) | (0x0F & channel); } + void set_type(uint8_t type) { _buf[0] = (0x0F & _buf[0]) | (0xF0 & type); } + void set_note(uint8_t num) { _buf[1] = num; } + void set_velocity(uint8_t val) { _buf[2] = val; } + void set_cc_number(uint8_t num) { _buf[1] = num; } + void set_cc_value(uint8_t val) { _buf[2] = val; } + void set_pgm_number(uint8_t num) { _buf[1] = num; } + + uint16_t value() const { + switch (type()) { + case MIDI_CMD_CONTROL: + return cc_value(); + case MIDI_CMD_BENDER: + return pitch_bender_value(); + case MIDI_CMD_NOTE_PRESSURE: + return poly_pressure(); + case MIDI_CMD_CHANNEL_PRESSURE: + return channel_pressure(); + case MIDI_CMD_PGM_CHANGE: + return pgm_number(); + default: + return 0; + } + } + protected: - EventType _type; /**< Type of event (application relative, NOT MIDI 'type') */ - Time _original_time; /**< Sample index (or beat time) at which event is valid */ - Time _nominal_time; /**< Quantized version of _time, used in preference */ - uint32_t _size; /**< Number of uint8_ts of data in \a buffer */ - uint8_t* _buf; /**< Raw MIDI data */ - event_id_t _id; /** UUID for each event, should probably be 64bit or at least unsigned */ + EventType _type; ///< Type of event (application relative, NOT MIDI 'type') + Time _time; ///< Time stamp of event + uint32_t _size; ///< Size of buffer in bytes + uint8_t* _buf; ///< Event contents (e.g. raw MIDI data) + event_id_t _id; ///< Unique event ID #ifdef EVORAL_EVENT_ALLOC - bool _owns_buf; /**< Whether buffer is locally allocated */ + bool _owns_buf; ///< Whether buffer is locally allocated #endif }; -} // namespace Evoral - - template /*LIBEVORAL_API*/ std::ostream& operator<<(std::ostream& o, const Evoral::Event