Robin Davies
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2022 Robin E. R. Davies
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include "JackConfiguration.hpp"
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#include <functional>
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namespace pipedal {
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using ProcessCallback = std::function<void (size_t)>;
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struct MidiEvent
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{
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/* BINARY COMPATIBLE WITH jack_midi_event_t;! (in case we ever want to resurrect Jack support) */
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uint32_t time; /**< Sample index at which event is valid */
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size_t size; /**< Number of bytes of data in \a buffer */
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uint8_t *buffer; /**< Raw MIDI data */
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};
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class AudioDriverHost {
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public:
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virtual void OnProcess(size_t nFrames) = 0;
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virtual void OnUnderrun() = 0;
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virtual void OnAudioStopped() = 0;
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};
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class AudioDriver {
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public:
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virtual ~AudioDriver() { }
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virtual float CpuUse() = 0;
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virtual float CpuOverhead() = 0;
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virtual uint32_t GetSampleRate() = 0;
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virtual size_t MidiInputBufferCount() const = 0;
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virtual void*GetMidiInputBuffer(size_t channel, size_t nFrames) = 0;
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virtual size_t GetMidiInputEventCount(void*buffer) = 0;
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virtual bool GetMidiInputEvent(MidiEvent*event, void*portBuf, size_t nFrame) = 0;
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virtual void FillMidiBuffers() = 0;
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virtual size_t InputBufferCount() const = 0;
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virtual float*GetInputBuffer(size_t channel, size_t nFrames) = 0;
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virtual size_t OutputBufferCount() const = 0;
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virtual float*GetOutputBuffer(size_t channel, size_t nFrames) = 0;
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virtual void Open(const JackServerSettings & jackServerSettings,const JackChannelSelection &channelSelection) = 0;
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virtual void Activate() = 0;
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virtual void Deactivate() = 0;
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virtual void Close() = 0;
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virtual std::string GetConfigurationDescription() = 0;
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};
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}; |