From 3b4a308ff647def75e647ac8f97e1e48b57672c3 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Tue, 24 Jul 2007 19:26:47 +0000 Subject: Consistently rename all C++ files .cpp/.hpp. Fix (some) inclusion guard names to not clash with other libs. git-svn-id: http://svn.drobilla.net/lad/raul@613 a436a847-0d15-0410-975c-d299462d15a1 --- raul/SMFWriter.hpp | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 raul/SMFWriter.hpp (limited to 'raul/SMFWriter.hpp') diff --git a/raul/SMFWriter.hpp b/raul/SMFWriter.hpp new file mode 100644 index 0000000..8994131 --- /dev/null +++ b/raul/SMFWriter.hpp @@ -0,0 +1,72 @@ +/* This file is part of Raul. + * Copyright (C) 2007 Dave Robillard + * + * 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_SMF_WRITER_HPP +#define RAUL_SMF_WRITER_HPP + +#include +#include + +namespace Raul { + + +/** Standard Midi File (Type 0) Writer + */ +class SMFWriter : public Raul::MIDISink { +public: + SMFWriter(unsigned short ppqn=1920); + ~SMFWriter(); + + bool start(const std::string& filename, + BeatTime start_time=0) throw (std::logic_error); + + uint16_t ppqn() const { return _ppqn; } + + void write_event(BeatTime time, + size_t ev_size, + const unsigned char* ev) throw (std::logic_error); + + void flush(); + + void finish() throw (std::logic_error); + +protected: + static const uint32_t VAR_LEN_MAX = 0x0FFFFFFF; + + void write_header(); + void write_footer(); + + void write_chunk_header(char id[4], uint32_t length); + void write_chunk(char id[4], uint32_t length, void* data); + size_t write_var_len(uint32_t val); + //uint32_t read_var_len() const; + //int read_event(MidiEvent& ev) const; + + std::string _filename; + FILE* _fd; + uint16_t _ppqn; + Raul::BeatTime _start_time; + Raul::BeatTime _last_ev_time; ///< Time last event was written relative to _start_time + uint32_t _track_size; + uint32_t _header_size; ///< size of SMF header, including MTrk chunk header +}; + + +} // namespace Raul + +#endif // RAUL_SMF_WRITER_HPP + -- cgit v1.2.1