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Move the methods of MidiState to their own file

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This commit is contained in:
Paul Ferrand 2019-12-15 02:20:46 +01:00
parent 17bfcf2567
commit 1fe8932851
3 changed files with 141 additions and 83 deletions
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1
src/CMakeLists.txt
View file

@ -6,6 +6,7 @@ set (SFIZZ_SOURCES
sfizz/Region.cpp
sfizz/Voice.cpp
sfizz/ScopedFTZ.cpp
sfizz/MidiState.cpp
sfizz/SfzHelpers.cpp
sfizz/FloatEnvelopes.cpp
)

94
src/sfizz/MidiState.cpp Normal file
View file

@ -0,0 +1,94 @@
#include "MidiState.h"
#include "Debug.h"
sfz::MidiState::MidiState()
{
reset();
}
void sfz::MidiState::noteOnEvent(int channel, int noteNumber, uint8_t velocity) noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(noteNumber >= 0 && noteNumber <= 127);
ASSERT(velocity >= 0 && velocity <= 127);
channel = translateSfzChannelToMidi(channel);
if (noteNumber >= 0 && noteNumber < 128) {
lastNoteVelocities[channel][noteNumber] = velocity;
noteOnTimes[channel][noteNumber] = std::chrono::steady_clock::now();
}
}
float sfz::MidiState::getNoteDuration(int channel, int noteNumber) const
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(noteNumber >= 0 && noteNumber <= 127);
channel = translateSfzChannelToMidi(channel);
if (noteNumber >= 0 && noteNumber < 128) {
const auto noteOffTime = std::chrono::steady_clock::now();
const auto duration = std::chrono::duration_cast<std::chrono::duration<float>>(noteOffTime - noteOnTimes[channel][noteNumber]);
return duration.count();
}
return 0.0f;
}
uint8_t sfz::MidiState::getNoteVelocity(int channel, int noteNumber) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(noteNumber >= 0 && noteNumber <= 127);
channel = translateSfzChannelToMidi(channel);
return lastNoteVelocities[channel][noteNumber];
}
void sfz::MidiState::pitchBendEvent(int channel, int pitchBendValue) noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(pitchBendValue >= -8192 && pitchBendValue <= 8192);
channel = translateSfzChannelToMidi(channel);
pitchBends[channel] = pitchBendValue;
}
int sfz::MidiState::getPitchBend(int channel) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
channel = translateSfzChannelToMidi(channel);
return pitchBends[channel];
}
void sfz::MidiState::ccEvent(int channel, int ccNumber, uint8_t ccValue) noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(ccNumber >= 0 && ccNumber <= 127);
ASSERT(ccValue >= 0 && ccValue <= 127);
channel = translateSfzChannelToMidi(channel);
cc[channel][ccNumber] = ccValue;
}
uint8_t sfz::MidiState::getCCValue(int channel, int ccNumber) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(ccNumber >= 0 && ccNumber <= 127);
channel = translateSfzChannelToMidi(channel);
return cc[channel][ccNumber];
}
const sfz::CCValueArray& sfz::MidiState::getCCArray(int channel) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
channel = translateSfzChannelToMidi(channel);
return cc[channel];
}
void sfz::MidiState::reset() noexcept
{
for (auto& channelArray: lastNoteVelocities)
for (auto& velocity: channelArray)
velocity = 0;
for (auto& channelArray: cc)
for (auto& ccValue: channelArray)
ccValue = 0;
for (auto& bendValue: pitchBends)
bendValue = 0;
}

129
src/sfizz/MidiState.h
View file

@ -2,7 +2,6 @@
#include <chrono>
#include <array>
#include "SfzHelpers.h"
#include "Debug.h"
namespace sfz
{
@ -15,10 +14,7 @@ namespace sfz
class MidiState
{
public:
MidiState() noexcept
{
reset();
}
MidiState();
/**
* @brief Update the state after a note on event
*
@ -26,17 +22,7 @@ public:
* @param noteNumber
* @param velocity
*/
void noteOnEvent(int channel, int noteNumber, uint8_t velocity) noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(noteNumber >= 0 && noteNumber <= 127);
ASSERT(velocity >= 0 && velocity <= 127);
channel = translateSfzChannelToMidi(channel);
if (noteNumber >= 0 && noteNumber < 128) {
lastNoteVelocities[channel][noteNumber] = velocity;
noteOnTimes[channel][noteNumber] = std::chrono::steady_clock::now();
}
}
void noteOnEvent(int channel, int noteNumber, uint8_t velocity) noexcept;
/**
* @brief Register a note off and get the note duration
@ -45,19 +31,7 @@ public:
* @param noteNumber
* @return float
*/
float getNoteDuration(int channel, int noteNumber) const
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(noteNumber >= 0 && noteNumber <= 127);
channel = translateSfzChannelToMidi(channel);
if (noteNumber >= 0 && noteNumber < 128) {
const auto noteOffTime = std::chrono::steady_clock::now();
const auto duration = std::chrono::duration_cast<std::chrono::duration<float>>(noteOffTime - noteOnTimes[channel][noteNumber]);
return duration.count();
}
return 0.0f;
}
float getNoteDuration(int channel, int noteNumber) const;
/**
* @brief Get the note on velocity for a given note
@ -66,66 +40,55 @@ public:
* @param noteNumber
* @return uint8_t
*/
uint8_t getNoteVelocity(int channel, int noteNumber) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(noteNumber >= 0 && noteNumber <= 127);
channel = translateSfzChannelToMidi(channel);
return lastNoteVelocities[channel][noteNumber];
}
uint8_t getNoteVelocity(int channel, int noteNumber) const noexcept;
void pitchBendEvent(int channel, int pitchBendValue) noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(pitchBendValue >= -8192 && pitchBendValue <= 8192);
channel = translateSfzChannelToMidi(channel);
pitchBends[channel] = pitchBendValue;
}
/**
* @brief Register a pitch bend event
*
* @param channel
* @param pitchBendValue
*/
void pitchBendEvent(int channel, int pitchBendValue) noexcept;
int getPitchBend(int channel) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
channel = translateSfzChannelToMidi(channel);
return pitchBends[channel];
}
/**
* @brief Get the pitch bend status on a channel
*
* @param channel
* @return int
*/
int getPitchBend(int channel) const noexcept;
void ccEvent(int channel, int ccNumber, uint8_t ccValue) noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(ccNumber >= 0 && ccNumber <= 127);
ASSERT(ccValue >= 0 && ccValue <= 127);
channel = translateSfzChannelToMidi(channel);
cc[channel][ccNumber] = ccValue;
}
/**
* @brief Register a CC event
*
* @param channel
* @param ccNumber
* @param ccValue
*/
void ccEvent(int channel, int ccNumber, uint8_t ccValue) noexcept;
uint8_t getCCValue(int channel, int ccNumber) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
ASSERT(ccNumber >= 0 && ccNumber <= 127);
channel = translateSfzChannelToMidi(channel);
return cc[channel][ccNumber];
}
/**
* @brief Get the CC value for a specific channel and cc number
*
* @param channel
* @param ccNumber
* @return uint8_t
*/
uint8_t getCCValue(int channel, int ccNumber) const noexcept;
const CCValueArray& getCCArray(int channel) const noexcept
{
ASSERT(channel >= 1 && channel <= 16);
channel = translateSfzChannelToMidi(channel);
return cc[channel];
}
/**
* @brief Get the full CC status for a specific channel
*
* @param channel
* @return const CCValueArray&
*/
const CCValueArray& getCCArray(int channel) const noexcept;
void reset() noexcept
{
for (auto& channelArray: lastNoteVelocities)
for (auto& velocity: channelArray)
velocity = 0;
for (auto& channelArray: cc)
for (auto& ccValue: channelArray)
ccValue = 0;
for (auto& bendValue: pitchBends)
bendValue = 0;
}
/**
* @brief Reset the midi state (does not impact the last note on time)
*
*/
void reset() noexcept;
private:
template<class T>