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Diffstat (limited to 'src/engine/StringBuffer.hpp')
-rw-r--r-- | src/engine/StringBuffer.hpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/engine/StringBuffer.hpp b/src/engine/StringBuffer.hpp new file mode 100644 index 00000000..79d83f7a --- /dev/null +++ b/src/engine/StringBuffer.hpp @@ -0,0 +1,59 @@ +/* This file is part of Ingen. + * Copyright (C) 2009 Dave 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 + */ + +#ifndef STRINGBUFFER_H +#define STRINGBUFFER_H + +#include "string-port.lv2/string-port.h" +#include "interface/DataType.hpp" +#include "Buffer.hpp" + +namespace Ingen { + + +class StringBuffer : public Buffer { +public: + StringBuffer(size_t capacity); + + void clear(); + + void* raw_data() { return (void*)&_buf; } + const void* raw_data() const { return (void*)&_buf; } + + char* data() { return _buf->data; } + const char* data() const { return _buf->data; } + + void prepare_read(FrameTime start, SampleCount nframes); + void prepare_write(FrameTime start, SampleCount nframes); + + bool join(Buffer* buf); + void unjoin(); + + void copy(const Buffer* src, size_t start_sample, size_t end_sample); + + void resize(size_t size); + +private: + LV2_String_Data* _buf; ///< Contents (_local_buf or belongs to _joined_buf) + LV2_String_Data _local_buf; ///< Local contents + uint32_t _this_nframes; ///< Current cycle nframes +}; + + +} // namespace Ingen + +#endif // STRINGBUFFER_H |