diff options
Diffstat (limited to 'flow/pipebuffer.h')
-rw-r--r-- | flow/pipebuffer.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/flow/pipebuffer.h b/flow/pipebuffer.h new file mode 100644 index 0000000..c44e16b --- /dev/null +++ b/flow/pipebuffer.h @@ -0,0 +1,75 @@ + /* + + Copyright (C) 2000 Stefan Westerfeld + stefan@space.twc.de + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + + */ + +#ifndef __PIPEBUFFER_H__ +#define __PIPEBUFFER_H__ + +/* + * BC - Status (2002-03-08): PipeSegment, PipeBuffer + * + * None of these classes is considered part of the public API. Do NOT use it + * in your apps. These are part of the implementation of libartsflow's + * AudioSubSystem, and subject to change/disappearing due to optimization + * work. + */ + + +#include <list> +namespace Arts { + +class PipeSegment { + long _remaining; + char *currentpos, *buffer; +public: + PipeSegment(long size, void *buffer); + ~PipeSegment(); + + void *data(); + long remaining(); + void skip(long count); +}; + +class PipeBuffer { +protected: + std::list<PipeSegment *> segments; + long _size; + +public: + PipeBuffer(); + ~PipeBuffer(); + + // reading + void *peek(long size); + void skip(long size); + long read(long size, void *buffer); + void unRead(long size, void *buffer); + + // writing + void write(long size, void *buffer); + void clear(); + + // status + long size(); +}; +} + +#endif |