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authorDavid Robillard <d@drobilla.net>2011-04-20 16:26:40 +0000
committerDavid Robillard <d@drobilla.net>2011-04-20 16:26:40 +0000
commit138a87e915ad3aff184730415105f94c874174bf (patch)
tree0d942bdddfdbcc3d969b4fce5592e770ab851b86 /src/engine/EventBuffer.cpp
parent1f1758f4dda0ddaf01c0b1d3a756f9db8ddc979d (diff)
downloadingen-138a87e915ad3aff184730415105f94c874174bf.tar.gz
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Rename Ingen::Engine to Ingen::Server (hopefully avoid odd name clases and fix #675).
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3184 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/EventBuffer.cpp')
-rw-r--r--src/engine/EventBuffer.cpp215
1 files changed, 0 insertions, 215 deletions
diff --git a/src/engine/EventBuffer.cpp b/src/engine/EventBuffer.cpp
deleted file mode 100644
index 50f938ce..00000000
--- a/src/engine/EventBuffer.cpp
+++ /dev/null
@@ -1,215 +0,0 @@
-/* This file is part of Ingen.
- * Copyright 2007-2011 David Robillard <http://drobilla.net>
- *
- * Ingen 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.
- *
- * Ingen 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
- */
-
-#define __STDC_LIMIT_MACROS 1
-#include <stdint.h>
-#include "raul/log.hpp"
-#include "lv2/lv2plug.in/ns/ext/event/event.h"
-#include "lv2/lv2plug.in/ns/ext/event/event-helpers.h"
-#include "ingen-config.h"
-#include "EventBuffer.hpp"
-#include "ProcessContext.hpp"
-
-using namespace std;
-using namespace Raul;
-
-namespace Ingen {
-namespace Engine {
-
-/** Allocate a new event buffer.
- * \a capacity is in bytes (not number of events).
- */
-EventBuffer::EventBuffer(BufferFactory& bufs, size_t capacity)
- : Buffer(bufs, PortType(PortType::EVENTS), capacity)
- , _latest_frames(0)
- , _latest_subframes(0)
-{
- if (capacity > UINT32_MAX) {
- error << "Event buffer size " << capacity << " too large, aborting." << endl;
- throw std::bad_alloc();
- }
-
-#ifdef HAVE_POSIX_MEMALIGN
- int ret = posix_memalign((void**)&_data, 16, sizeof(LV2_Event_Buffer) + capacity);
-#else
- _data = (LV2_Event_Buffer*)malloc(sizeof(LV2_Event_Buffer) + capacity);
- int ret = (_data != NULL) ? 0 : -1;
-#endif
-
- if (ret != 0) {
- error << "Failed to allocate event buffer. Aborting." << endl;
- exit(EXIT_FAILURE);
- }
-
- _data->header_size = sizeof(LV2_Event_Buffer);
- _data->data = reinterpret_cast<uint8_t*>(_data + _data->header_size);
- _data->stamp_type = 0;
- _data->event_count = 0;
- _data->capacity = (uint32_t)capacity;
- _data->size = 0;
-
- clear();
-}
-
-EventBuffer::~EventBuffer()
-{
- free(_data);
-}
-
-void
-EventBuffer::prepare_read(Context& context)
-{
- rewind();
-}
-
-void
-EventBuffer::prepare_write(Context& context)
-{
- if (context.offset() == 0)
- clear();
-}
-
-void
-EventBuffer::copy(Context& context, const Buffer* src_buf)
-{
- const EventBuffer* src = dynamic_cast<const EventBuffer*>(src_buf);
- if (src->_data == _data)
- return;
-
- assert(src->_data->header_size == _data->header_size);
- assert(capacity() >= _data->header_size + src->_data->size);
-
- rewind();
-
- memcpy(_data, src->_data, _data->header_size + src->_data->size);
-
- _iter = src->_iter;
- _iter.buf = _data;
-
- _latest_frames = src->_latest_frames;
- _latest_subframes = src->_latest_subframes;
-
- assert(event_count() == src->event_count());
-}
-
-/** Increment the read position by one event.
- *
- * \return true if increment was successful, or false if end of buffer reached.
- */
-bool
-EventBuffer::increment() const
-{
- if (lv2_event_is_valid(&_iter)) {
- lv2_event_increment(&_iter);
- return true;
- } else {
- return false;
- }
-}
-
-/** \return true iff the cursor is valid (ie get_event is safe)
- */
-bool
-EventBuffer::is_valid() const
-{
- return lv2_event_is_valid(&_iter);
-}
-
-/** Read an event from the current position in the buffer
- *
- * \return true if read was successful, or false if end of buffer reached
- */
-bool
-EventBuffer::get_event(uint32_t* frames,
- uint32_t* subframes,
- uint16_t* type,
- uint16_t* size,
- uint8_t** data) const
-{
- if (lv2_event_is_valid(&_iter)) {
- LV2_Event* ev = lv2_event_get(&_iter, data);
- *frames = ev->frames;
- *subframes = ev->subframes;
- *type = ev->type;
- *size = ev->size;
- return true;
- } else {
- return false;
- }
-}
-
-/** Get the object currently pointed to, or NULL if invalid.
- */
-LV2_Atom*
-EventBuffer::get_atom() const
-{
- if (lv2_event_is_valid(&_iter)) {
- uint8_t* data;
- LV2_Event* ev = lv2_event_get(&_iter, &data);
- return LV2_ATOM_FROM_EVENT(ev);
- }
- return NULL;
-}
-
-/** Get the event currently pointed to, or NULL if invalid.
- */
-LV2_Event*
-EventBuffer::get_event() const
-{
- if (lv2_event_is_valid(&_iter)) {
- uint8_t* data;
- return lv2_event_get(&_iter, &data);
- }
- return NULL;
-}
-
-/** Append an event to the buffer.
- *
- * \a timestamp must be >= the latest event in the buffer.
- *
- * \return true on success
- */
-bool
-EventBuffer::append(uint32_t frames,
- uint32_t subframes,
- uint16_t type,
- uint16_t size,
- const uint8_t* data)
-{
-#ifndef NDEBUG
- if (lv2_event_is_valid(&_iter)) {
- LV2_Event* last_event = lv2_event_get(&_iter, NULL);
- assert(last_event->frames < frames
- || (last_event->frames == frames && last_event->subframes <= subframes));
- }
-#endif
-
- /*debug << "Appending event type " << type << ", size " << size
- << " @ " << frames << "." << subframes << endl;*/
-
- if (!lv2_event_write(&_iter, frames, subframes, type, size, data)) {
- error << "Failed to write event." << endl;
- return false;
- } else {
- _latest_frames = frames;
- _latest_subframes = subframes;
- return true;
- }
-}
-
-} // namespace Engine
-} // namespace Ingen