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Diffstat (limited to 'raul/EventRingBuffer.hpp')
| -rw-r--r-- | raul/EventRingBuffer.hpp | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/raul/EventRingBuffer.hpp b/raul/EventRingBuffer.hpp deleted file mode 100644 index 803df11..0000000 --- a/raul/EventRingBuffer.hpp +++ /dev/null @@ -1,83 +0,0 @@ -/* This file is part of Raul. - * Copyright 2007-2011 David Robillard <http://drobilla.net> - * - * Raul is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Raul is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef RAUL_EVENT_RING_BUFFER_HPP -#define RAUL_EVENT_RING_BUFFER_HPP - -#include <cassert> -#include <algorithm> -#include "raul/RingBuffer.hpp" -#include "raul/TimeStamp.hpp" - -namespace Raul { - - -/** A RingBuffer of events (generic time-stamped binary "blobs"). - * - * This packs a timestamp, size, and size bytes of data flat into the buffer. - * Useful for MIDI events, OSC messages, etc. - * \ingroup raul - */ -class EventRingBuffer : private Raul::RingBuffer { -public: - - /** @param capacity Ringbuffer capacity in bytes. - */ - explicit EventRingBuffer(size_t capacity) - : RingBuffer(capacity) - {} - - size_t capacity() const { return _size; } - - size_t write(TimeStamp time, size_t size, const uint8_t* buf); - bool read(TimeStamp* time, size_t* size, uint8_t* buf); -}; - - -inline bool -EventRingBuffer::read(TimeStamp* time, size_t* size, uint8_t* buf) -{ - bool success = RingBuffer::full_read(sizeof(TimeStamp), (uint8_t*)time); - if (success) - success = RingBuffer::full_read(sizeof(size_t), (uint8_t*)size); - if (success) - success = RingBuffer::full_read(*size, buf); - - return success; -} - - -inline size_t -EventRingBuffer::write(TimeStamp time, size_t size, const uint8_t* buf) -{ - assert(size > 0); - - if (write_space() < (sizeof(TimeStamp) + sizeof(size_t) + size)) { - return 0; - } else { - RingBuffer::write(sizeof(TimeStamp), (uint8_t*)&time); - RingBuffer::write(sizeof(size_t), (uint8_t*)&size); - RingBuffer::write(size, buf); - return size; - } -} - - -} // namespace Raul - -#endif // RAUL_EVENT_RING_BUFFER_HPP - |