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/*
* Copyright (C) 2009-2012 Sakari Bergen <sakari.bergen@beatwaves.net>
* Copyright (C) 2010-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2013-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2016-2019 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_export_graph_builder_h__
#define __ardour_export_graph_builder_h__
#include "ardour/export_handler.h"
#include "ardour/export_analysis.h"
#include "audiographer/utils/identity_vertex.h"
#include <boost/ptr_container/ptr_list.hpp>
#include <glibmm/threadpool.h>
namespace AudioGrapher {
class SampleRateConverter;
class PeakReader;
class LoudnessReader;
class Normalizer;
class Analyser;
template <typename T> class Chunker;
template <typename T> class SampleFormatConverter;
template <typename T> class Interleaver;
template <typename T> class SndfileWriter;
template <typename T> class CmdPipeWriter;
template <typename T> class SilenceTrimmer;
template <typename T> class TmpFile;
template <typename T> class Threader;
template <typename T> class AllocatingProcessContext;
}
namespace ARDOUR
{
class ExportTimespan;
class Session;
class LIBARDOUR_API ExportGraphBuilder
{
private:
typedef ExportHandler::FileSpec FileSpec;
typedef boost::shared_ptr<AudioGrapher::Sink<Sample> > FloatSinkPtr;
typedef boost::shared_ptr<AudioGrapher::IdentityVertex<Sample> > IdentityVertexPtr;
typedef boost::shared_ptr<AudioGrapher::Analyser> AnalysisPtr;
typedef std::map<ExportChannelPtr, IdentityVertexPtr> ChannelMap;
typedef std::map<std::string, AnalysisPtr> AnalysisMap;
public:
ExportGraphBuilder (Session const & session);
~ExportGraphBuilder ();
samplecnt_t process (samplecnt_t samples, bool last_cycle);
bool post_process (); // returns true when finished
bool need_postprocessing () const { return !intermediates.empty(); }
bool realtime() const { return _realtime; }
unsigned get_postprocessing_cycle_count() const;
void reset ();
void cleanup (bool remove_out_files = false);
void set_current_timespan (boost::shared_ptr<ExportTimespan> span);
void add_config (FileSpec const & config, bool rt);
void get_analysis_results (AnalysisResults& results);
private:
void add_analyser (const std::string& fn, AnalysisPtr ap) {
analysis_map.insert (std::make_pair (fn, ap));
}
void add_split_config (FileSpec const & config);
class Encoder {
public:
template <typename T> boost::shared_ptr<AudioGrapher::Sink<T> > init (FileSpec const & new_config);
void add_child (FileSpec const & new_config);
void remove_children ();
void destroy_writer (bool delete_out_file);
bool operator== (FileSpec const & other_config) const;
static int get_real_format (FileSpec const & config);
private:
typedef boost::shared_ptr<AudioGrapher::SndfileWriter<Sample> > FloatWriterPtr;
typedef boost::shared_ptr<AudioGrapher::SndfileWriter<int> > IntWriterPtr;
typedef boost::shared_ptr<AudioGrapher::SndfileWriter<short> > ShortWriterPtr;
typedef boost::shared_ptr<AudioGrapher::CmdPipeWriter<Sample> > FloatPipePtr;
template<typename T> void init_writer (boost::shared_ptr<AudioGrapher::SndfileWriter<T> > & writer);
template<typename T> void init_writer (boost::shared_ptr<AudioGrapher::CmdPipeWriter<T> > & writer);
void copy_files (std::string orig_path);
FileSpec config;
std::list<ExportFilenamePtr> filenames;
PBD::ScopedConnection copy_files_connection;
std::string writer_filename;
// Only one of these should be available at a time
FloatWriterPtr float_writer;
IntWriterPtr int_writer;
ShortWriterPtr short_writer;
FloatPipePtr pipe_writer;
};
// sample format converter
class SFC {
public:
// This constructor so that this can be constructed like a Normalizer
SFC (ExportGraphBuilder &, FileSpec const & new_config, samplecnt_t max_samples);
FloatSinkPtr sink ();
void add_child (FileSpec const & new_config);
void remove_children (bool remove_out_files);
bool operator== (FileSpec const & other_config) const;
void set_peak (float);
private:
typedef boost::shared_ptr<AudioGrapher::Chunker<float> > ChunkerPtr;
typedef boost::shared_ptr<AudioGrapher::SampleFormatConverter<Sample> > FloatConverterPtr;
typedef boost::shared_ptr<AudioGrapher::SampleFormatConverter<int> > IntConverterPtr;
typedef boost::shared_ptr<AudioGrapher::SampleFormatConverter<short> > ShortConverterPtr;
FileSpec config;
boost::ptr_list<Encoder> children;
int data_width;
ChunkerPtr chunker;
AnalysisPtr analyser;
bool _analyse;
// Only one of these should be available at a time
FloatConverterPtr float_converter;
IntConverterPtr int_converter;
ShortConverterPtr short_converter;
};
class Intermediate {
public:
Intermediate (ExportGraphBuilder & parent, FileSpec const & new_config, samplecnt_t max_samples);
FloatSinkPtr sink ();
void add_child (FileSpec const & new_config);
void remove_children (bool remove_out_files);
bool operator== (FileSpec const & other_config) const;
unsigned get_postprocessing_cycle_count() const;
/// Returns true when finished
bool process ();
private:
typedef boost::shared_ptr<AudioGrapher::PeakReader> PeakReaderPtr;
typedef boost::shared_ptr<AudioGrapher::LoudnessReader> LoudnessReaderPtr;
typedef boost::shared_ptr<AudioGrapher::Normalizer> NormalizerPtr;
typedef boost::shared_ptr<AudioGrapher::TmpFile<Sample> > TmpFilePtr;
typedef boost::shared_ptr<AudioGrapher::Threader<Sample> > ThreaderPtr;
typedef boost::shared_ptr<AudioGrapher::AllocatingProcessContext<Sample> > BufferPtr;
void prepare_post_processing ();
void start_post_processing ();
ExportGraphBuilder & parent;
FileSpec config;
samplecnt_t max_samples_out;
bool use_loudness;
bool use_peak;
BufferPtr buffer;
PeakReaderPtr peak_reader;
TmpFilePtr tmp_file;
NormalizerPtr normalizer;
ThreaderPtr threader;
LoudnessReaderPtr loudness_reader;
boost::ptr_list<SFC> children;
PBD::ScopedConnectionList post_processing_connection;
};
// sample rate converter
class SRC {
public:
SRC (ExportGraphBuilder & parent, FileSpec const & new_config, samplecnt_t max_samples);
FloatSinkPtr sink ();
void add_child (FileSpec const & new_config);
void remove_children (bool remove_out_files);
bool operator== (FileSpec const & other_config) const;
private:
typedef boost::shared_ptr<AudioGrapher::SampleRateConverter> SRConverterPtr;
template<typename T>
void add_child_to_list (FileSpec const & new_config, boost::ptr_list<T> & list);
ExportGraphBuilder & parent;
FileSpec config;
boost::ptr_list<SFC> children;
boost::ptr_list<Intermediate> intermediate_children;
SRConverterPtr converter;
samplecnt_t max_samples_out;
};
// Silence trimmer + adder
class SilenceHandler {
public:
SilenceHandler (ExportGraphBuilder & parent, FileSpec const & new_config, samplecnt_t max_samples);
FloatSinkPtr sink ();
void add_child (FileSpec const & new_config);
void remove_children (bool remove_out_files);
bool operator== (FileSpec const & other_config) const;
private:
typedef boost::shared_ptr<AudioGrapher::SilenceTrimmer<Sample> > SilenceTrimmerPtr;
ExportGraphBuilder & parent;
FileSpec config;
boost::ptr_list<SRC> children;
SilenceTrimmerPtr silence_trimmer;
samplecnt_t max_samples_in;
};
// channel configuration
class ChannelConfig {
public:
ChannelConfig (ExportGraphBuilder & parent, FileSpec const & new_config, ChannelMap & channel_map);
void add_child (FileSpec const & new_config);
void remove_children (bool remove_out_files);
bool operator== (FileSpec const & other_config) const;
private:
typedef boost::shared_ptr<AudioGrapher::Interleaver<Sample> > InterleaverPtr;
typedef boost::shared_ptr<AudioGrapher::Chunker<Sample> > ChunkerPtr;
ExportGraphBuilder & parent;
FileSpec config;
boost::ptr_list<SilenceHandler> children;
InterleaverPtr interleaver;
ChunkerPtr chunker;
samplecnt_t max_samples_out;
};
Session const & session;
boost::shared_ptr<ExportTimespan> timespan;
// Roots for export processor trees
typedef boost::ptr_list<ChannelConfig> ChannelConfigList;
ChannelConfigList channel_configs;
// The sources of all data, each channel is read only once
ChannelMap channels;
samplecnt_t process_buffer_samples;
std::list<Intermediate *> intermediates;
AnalysisMap analysis_map;
bool _realtime;
samplecnt_t _master_align;
Glib::ThreadPool thread_pool;
Glib::Threads::Mutex engine_request_lock;
};
} // namespace ARDOUR
#endif /* __ardour_export_graph_builder_h__ */
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