This program 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.
This program 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.
This program 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 more details.
This program 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 more 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.,
675 Mass Ave, Cambridge, MA 02139, USA.
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.,
675 Mass Ave, Cambridge, MA 02139, USA.
-#include <ardour/types.h>
-#include <ardour/data_type.h>
-#include <ardour/runtime_functions.h>
+
+#include "ardour/libardour_visibility.h"
+#include "ardour/types.h"
+#include "ardour/data_type.h"
* methods to actually access the data). This provides a way for code that
* doesn't care about the data type to still deal with buffers (which is
* why the base class can't be a template).
* methods to actually access the data). This provides a way for code that
* doesn't care about the data type to still deal with buffers (which is
* why the base class can't be a template).
/** Type of this buffer.
* Based on this you can static cast a Buffer* to the desired type. */
DataType type() const { return _type; }
bool silent() const { return _silent; }
/** Type of this buffer.
* Based on this you can static cast a Buffer* to the desired type. */
DataType type() const { return _type; }
bool silent() const { return _silent; }
/** Reallocate the buffer used internally to handle at least @a size_t units of data.
*
* The buffer is not silent after this operation. the @a capacity argument
* passed to the constructor must have been non-zero.
*/
/** Reallocate the buffer used internally to handle at least @a size_t units of data.
*
* The buffer is not silent after this operation. the @a capacity argument
* passed to the constructor must have been non-zero.
*/
- virtual void resize(size_t) = 0;
+ virtual void resize (size_t) = 0;
+
+ /** Clear (eg zero, or empty) buffer */
+ virtual void silence (framecnt_t len, framecnt_t offset = 0) = 0;
/** Clear the entire buffer */
virtual void clear() { silence(_capacity, 0); }
/** Clear the entire buffer */
virtual void clear() { silence(_capacity, 0); }
- virtual void read_from(const Buffer& src, nframes_t offset, nframes_t len) = 0;
+ virtual void read_from (const Buffer& src, framecnt_t len, framecnt_t dst_offset = 0, framecnt_t src_offset = 0) = 0;
+ virtual void merge_from (const Buffer& src, framecnt_t len, framecnt_t dst_offset = 0, framecnt_t src_offset = 0) = 0;
-protected:
- Buffer(DataType type, size_t capacity)
- : _type(type), _capacity(capacity), _size(0), _silent(true)
+ protected:
+ Buffer(DataType type)
+ : _type(type), _capacity(0), _silent (true)