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/*
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 __ardour_export_channel_configuration_h__
#define __ardour_export_channel_configuration_h__
#include <list>
#include <glibmm/ustring.h>
#include "ardour/export_channel.h"
#include "ardour/export_status.h"
#include "ardour/ardour.h"
#include "pbd/xml++.h"
namespace ARDOUR
{
class ExportHandler;
class AudioPort;
class ExportChannel;
class ExportFormatSpecification;
class ExportFilename;
class ExportProcessor;
class ExportTimespan;
class Session;
class ExportChannelConfiguration
{
private:
typedef boost::shared_ptr<ExportProcessor> ProcessorPtr;
typedef boost::shared_ptr<ExportTimespan> TimespanPtr;
typedef boost::shared_ptr<ExportFormatSpecification const> FormatPtr;
typedef boost::shared_ptr<ExportFilename> FilenamePtr;
typedef std::pair<FormatPtr, FilenamePtr> FileConfig;
typedef std::list<FileConfig> FileConfigList;
/// Struct for threading, acts like a pointer to a ExportChannelConfiguration
struct WriterThread {
WriterThread (ExportChannelConfiguration & channel_config) :
channel_config (channel_config), running (false) {}
ExportChannelConfiguration * operator-> () { return &channel_config; }
ExportChannelConfiguration & operator* () { return channel_config; }
ExportChannelConfiguration & channel_config;
pthread_t thread;
bool running;
};
private:
friend class ExportElementFactory;
ExportChannelConfiguration (Session & session);
public:
XMLNode & get_state ();
int set_state (const XMLNode &);
typedef std::list<ExportChannelPtr> ChannelList;
ChannelList const & get_channels () const { return channels; }
bool all_channels_have_ports () const;
Glib::ustring name () const { return _name; }
void set_name (Glib::ustring name) { _name = name; }
void set_split (bool value) { split = value; }
bool get_split () const { return split; }
uint32_t get_n_chans () const { return channels.size(); }
void register_channel (ExportChannelPtr channel) { channels.push_back (channel); }
void register_file_config (FormatPtr format, FilenamePtr filename) { file_configs.push_back (FileConfig (format, filename)); }
void clear_channels () { channels.clear (); }
/// Writes all files for this channel config @return true if a new thread was spawned
bool write_files (boost::shared_ptr<ExportProcessor> new_processor);
boost::signals2::signal<void()> FilesWritten;
// Tells the handler the necessary information for it to handle tempfiles
void register_with_timespan (TimespanPtr timespan);
void unregister_all ();
private:
typedef boost::shared_ptr<ExportStatus> ExportStatusPtr;
Session & session;
// processor has to be prepared before doing this.
void write_file ();
/// The actual write files, needed for threading
static void * _write_files (void *arg);
WriterThread writer_thread;
ProcessorPtr processor;
ExportStatusPtr status;
bool files_written;
TimespanPtr timespan;
ChannelList channels;
FileConfigList file_configs;
bool split; // Split to mono files
Glib::ustring _name;
};
} // namespace ARDOUR
#endif /* __ardour_export_channel_configuration_h__ */
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