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livetrax/libs/audiographer/audiographer/broadcast_info.h

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2.2 KiB
C++

/*
Copyright (C) 2008 Paul Davis
Author: Sakari Bergen
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.
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.
*/
#ifndef AUDIOGRAPHER_BROADCAST_INFO_H
#define AUDIOGRAPHER_BROADCAST_INFO_H
#include <stdint.h>
#include <string>
#include <ctime>
#include <sndfile.h>
namespace AudioGrapher
{
class SndfileHandle;
class BroadcastInfo
{
public:
/// Construct empty broadcast info
BroadcastInfo ();
virtual ~BroadcastInfo ();
/// Returns last error sring from libsndfile
std::string get_error () const { return error; }
/* Reading */
bool load_from_file (std::string const & filename);
bool load_from_file (SNDFILE* sf);
std::string get_description () const;
int64_t get_time_reference () const;
struct tm get_origination_time () const;
std::string get_originator () const;
std::string get_originator_ref () const;
/* Writing */
bool write_to_file (std::string const & filename);
bool write_to_file (SNDFILE* sf);
bool write_to_file (SndfileHandle* sf);
void set_description (std::string const & desc);
void set_time_reference (int64_t when);
void set_origination_time (struct tm * now = 0); // if 0, use time generated at construction
virtual void set_originator (std::string const & str = "");
void set_originator_ref (std::string const & str = "");
/* State info */
/// Returns true if a info has been succesfully loaded or anything has been manually set
bool has_info () const { return _has_info; }
protected:
SF_BROADCAST_INFO * info;
struct tm _time;
void update_error ();
std::string error;
bool _has_info;
};
} // namespace AudioGrapher
#endif /* AUDIOGRAPHER_BROADCAST_INFO_H */