69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*
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Copyright (C) 2010 Devin Anderson
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "JackMidiBufferReadQueue.h"
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#include "JackMidiUtil.h"
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#include "JackError.h"
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using Jack::JackMidiBufferReadQueue;
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JackMidiBufferReadQueue::JackMidiBufferReadQueue()
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{
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event_count = 0;
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index = 0;
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}
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jack_midi_event_t *
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JackMidiBufferReadQueue::DequeueEvent()
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{
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jack_midi_event_t *e = 0;
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if (index < event_count) {
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JackMidiEvent *event = &(buffer->events[index]);
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midi_event.buffer = event->GetData(buffer);
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midi_event.size = event->size;
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midi_event.time = last_frame_time + event->time;
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e = &midi_event;
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index++;
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}
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return e;
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}
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void
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JackMidiBufferReadQueue::ResetMidiBuffer(JackMidiBuffer *buffer)
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{
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event_count = 0;
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index = 0;
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if (! buffer) {
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jack_error("JackMidiBufferReadQueue::ResetMidiBuffer - buffer reset "
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"to NULL");
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} else if (! buffer->IsValid()) {
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jack_error("JackMidiBufferReadQueue::ResetMidiBuffer - buffer reset "
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"to invalid buffer");
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} else {
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uint32_t lost_events = buffer->lost_events;
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if (lost_events) {
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jack_error("JackMidiBufferReadQueue::ResetMidiBuffer - %d events "
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"lost during mixdown", lost_events);
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}
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this->buffer = buffer;
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event_count = buffer->event_count;
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last_frame_time = GetLastFrame();
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}
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}
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