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47 lines
1.2 KiB
47 lines
1.2 KiB
13 years ago
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/*
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* Copyright 2012 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "dx7note.h"
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#include "ringbuffer.h"
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struct ActiveNote {
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int midi_note;
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Dx7Note *dx7_note;
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};
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class SynthUnit {
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public:
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explicit SynthUnit(RingBuffer *ring_buffer);
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void GetSamples(int n_samples, int16_t *buffer);
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private:
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void TransferInput();
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void ConsumeInput(int n_input_bytes);
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int ProcessMidiMessage(const uint8_t *buf, int buf_size);
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RingBuffer *ring_buffer_;
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static const int max_active_notes = 16;
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ActiveNote active_note_[max_active_notes];
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int current_note_;
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uint8_t input_buffer_[8192];
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size_t input_buffer_index_;
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uint8_t patch_data_[4096];
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int current_patch_;
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};
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