562 lines
17 KiB
C++
562 lines
17 KiB
C++
/*
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Copyright (C) 2008-2012 Paul Davis
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Author: Sakari Bergen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "ardour/export_graph_builder.h"
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#include <vector>
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#include <glibmm/miscutils.h>
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#include "audiographer/process_context.h"
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#include "audiographer/general/chunker.h"
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#include "audiographer/general/interleaver.h"
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#include "audiographer/general/normalizer.h"
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#include "audiographer/general/peak_reader.h"
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#include "audiographer/general/sample_format_converter.h"
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#include "audiographer/general/sr_converter.h"
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#include "audiographer/general/silence_trimmer.h"
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#include "audiographer/general/threader.h"
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#include "audiographer/sndfile/tmp_file.h"
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#include "audiographer/sndfile/sndfile_writer.h"
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#include "ardour/audioengine.h"
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#include "ardour/export_channel_configuration.h"
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#include "ardour/export_filename.h"
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#include "ardour/export_format_specification.h"
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#include "ardour/export_timespan.h"
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#include "ardour/session_directory.h"
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#include "ardour/sndfile_helpers.h"
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#include "pbd/file_utils.h"
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#include "pbd/cpus.h"
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using namespace AudioGrapher;
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using std::string;
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namespace ARDOUR {
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ExportGraphBuilder::ExportGraphBuilder (Session const & session)
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: session (session)
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, thread_pool (hardware_concurrency())
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{
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process_buffer_frames = session.engine().samples_per_cycle();
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}
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ExportGraphBuilder::~ExportGraphBuilder ()
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{
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}
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int
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ExportGraphBuilder::process (framecnt_t frames, bool last_cycle)
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{
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assert(frames <= process_buffer_frames);
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for (ChannelMap::iterator it = channels.begin(); it != channels.end(); ++it) {
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Sample const * process_buffer = 0;
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it->first->read (process_buffer, frames);
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ConstProcessContext<Sample> context(process_buffer, frames, 1);
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if (last_cycle) { context().set_flag (ProcessContext<Sample>::EndOfInput); }
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it->second->process (context);
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}
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return 0;
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}
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bool
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ExportGraphBuilder::process_normalize ()
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{
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for (std::list<Normalizer *>::iterator it = normalizers.begin(); it != normalizers.end(); /* ++ in loop */) {
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if ((*it)->process()) {
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it = normalizers.erase (it);
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} else {
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++it;
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}
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}
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return normalizers.empty();
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}
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unsigned
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ExportGraphBuilder::get_normalize_cycle_count() const
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{
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unsigned max = 0;
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for (std::list<Normalizer *>::const_iterator it = normalizers.begin(); it != normalizers.end(); ++it) {
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max = std::max(max, (*it)->get_normalize_cycle_count());
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}
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return max;
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}
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void
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ExportGraphBuilder::reset ()
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{
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timespan.reset();
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channel_configs.clear ();
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channels.clear ();
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normalizers.clear ();
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}
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void
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ExportGraphBuilder::set_current_timespan (boost::shared_ptr<ExportTimespan> span)
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{
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timespan = span;
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}
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void
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ExportGraphBuilder::add_config (FileSpec const & config)
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{
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ExportChannelConfiguration::ChannelList const & channels =
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config.channel_config->get_channels();
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for(ExportChannelConfiguration::ChannelList::const_iterator it = channels.begin();
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it != channels.end(); ++it) {
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(*it)->set_max_buffer_size(process_buffer_frames);
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}
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// If the sample rate is "session rate", change it to the real value.
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// However, we need to copy it to not change the config which is saved...
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FileSpec new_config (config);
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new_config.format.reset(new ExportFormatSpecification(*new_config.format, false));
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if(new_config.format->sample_rate() == ExportFormatBase::SR_Session) {
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framecnt_t session_rate = session.nominal_frame_rate();
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new_config.format->set_sample_rate(ExportFormatBase::nearest_sample_rate(session_rate));
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}
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if (!new_config.channel_config->get_split ()) {
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add_split_config (new_config);
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return;
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}
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// Split channel configurations are split into several channel configurations,
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// each corresponding to a file, at this stage
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typedef std::list<boost::shared_ptr<ExportChannelConfiguration> > ConfigList;
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ConfigList file_configs;
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new_config.channel_config->configurations_for_files (file_configs);
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unsigned chan = 1;
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for (ConfigList::iterator it = file_configs.begin(); it != file_configs.end(); ++it, ++chan) {
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FileSpec copy = new_config;
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copy.channel_config = *it;
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copy.filename.reset (new ExportFilename (*copy.filename));
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copy.filename->include_channel = true;
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copy.filename->set_channel (chan);
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add_split_config (copy);
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}
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}
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void
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ExportGraphBuilder::add_split_config (FileSpec const & config)
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{
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for (ChannelConfigList::iterator it = channel_configs.begin(); it != channel_configs.end(); ++it) {
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if (*it == config) {
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it->add_child (config);
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return;
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}
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}
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// No duplicate channel config found, create new one
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channel_configs.push_back (new ChannelConfig (*this, config, channels));
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}
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/* Encoder */
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template <>
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boost::shared_ptr<AudioGrapher::Sink<Sample> >
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ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
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{
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config = new_config;
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init_writer (float_writer);
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return float_writer;
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}
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template <>
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boost::shared_ptr<AudioGrapher::Sink<int> >
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ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
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{
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config = new_config;
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init_writer (int_writer);
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return int_writer;
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}
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template <>
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boost::shared_ptr<AudioGrapher::Sink<short> >
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ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
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{
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config = new_config;
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init_writer (short_writer);
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return short_writer;
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}
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void
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ExportGraphBuilder::Encoder::add_child (FileSpec const & new_config)
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{
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filenames.push_back (new_config.filename);
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}
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bool
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ExportGraphBuilder::Encoder::operator== (FileSpec const & other_config) const
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{
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return get_real_format (config) == get_real_format (other_config);
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}
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int
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ExportGraphBuilder::Encoder::get_real_format (FileSpec const & config)
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{
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ExportFormatSpecification & format = *config.format;
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return format.format_id() | format.sample_format() | format.endianness();
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}
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template<typename T>
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void
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ExportGraphBuilder::Encoder::init_writer (boost::shared_ptr<AudioGrapher::SndfileWriter<T> > & writer)
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{
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unsigned channels = config.channel_config->get_n_chans();
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int format = get_real_format (config);
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config.filename->set_channel_config(config.channel_config);
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string filename = config.filename->get_path (config.format);
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writer.reset (new AudioGrapher::SndfileWriter<T> (filename, format, channels, config.format->sample_rate(), config.broadcast_info));
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writer->FileWritten.connect_same_thread (copy_files_connection, boost::bind (&ExportGraphBuilder::Encoder::copy_files, this, _1));
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}
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void
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ExportGraphBuilder::Encoder::copy_files (std::string orig_path)
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{
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while (filenames.size()) {
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ExportFilenamePtr & filename = filenames.front();
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PBD::copy_file (orig_path, filename->get_path (config.format).c_str());
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filenames.pop_front();
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}
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}
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/* SFC */
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ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &, FileSpec const & new_config, framecnt_t max_frames)
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: data_width(0)
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{
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config = new_config;
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data_width = sndfile_data_width (Encoder::get_real_format (config));
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unsigned channels = new_config.channel_config->get_n_chans();
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if (data_width == 8 || data_width == 16) {
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short_converter = ShortConverterPtr (new SampleFormatConverter<short> (channels));
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short_converter->init (max_frames, config.format->dither_type(), data_width);
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add_child (config);
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} else if (data_width == 24 || data_width == 32) {
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int_converter = IntConverterPtr (new SampleFormatConverter<int> (channels));
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int_converter->init (max_frames, config.format->dither_type(), data_width);
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add_child (config);
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} else {
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int actual_data_width = 8 * sizeof(Sample);
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float_converter = FloatConverterPtr (new SampleFormatConverter<Sample> (channels));
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float_converter->init (max_frames, config.format->dither_type(), actual_data_width);
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add_child (config);
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}
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}
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ExportGraphBuilder::FloatSinkPtr
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ExportGraphBuilder::SFC::sink ()
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{
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if (data_width == 8 || data_width == 16) {
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return short_converter;
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} else if (data_width == 24 || data_width == 32) {
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return int_converter;
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} else {
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return float_converter;
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}
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}
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void
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ExportGraphBuilder::SFC::add_child (FileSpec const & new_config)
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{
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for (boost::ptr_list<Encoder>::iterator it = children.begin(); it != children.end(); ++it) {
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if (*it == new_config) {
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it->add_child (new_config);
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return;
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}
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}
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children.push_back (new Encoder());
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Encoder & encoder = children.back();
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if (data_width == 8 || data_width == 16) {
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short_converter->add_output (encoder.init<short> (new_config));
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} else if (data_width == 24 || data_width == 32) {
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int_converter->add_output (encoder.init<int> (new_config));
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} else {
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float_converter->add_output (encoder.init<Sample> (new_config));
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}
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}
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bool
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ExportGraphBuilder::SFC::operator== (FileSpec const & other_config) const
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{
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return config.format->sample_format() == other_config.format->sample_format();
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}
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/* Normalizer */
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ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t /*max_frames*/)
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: parent (parent)
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{
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std::string tmpfile_path = parent.session.session_directory().export_path();
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tmpfile_path = Glib::build_filename(tmpfile_path, "XXXXXX");
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std::vector<char> tmpfile_path_buf(tmpfile_path.size() + 1);
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std::copy(tmpfile_path.begin(), tmpfile_path.end(), tmpfile_path_buf.begin());
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tmpfile_path_buf[tmpfile_path.size()] = '\0';
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config = new_config;
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uint32_t const channels = config.channel_config->get_n_chans();
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max_frames_out = 4086 - (4086 % channels); // TODO good chunk size
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buffer.reset (new AllocatingProcessContext<Sample> (max_frames_out, channels));
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peak_reader.reset (new PeakReader ());
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normalizer.reset (new AudioGrapher::Normalizer (config.format->normalize_target()));
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threader.reset (new Threader<Sample> (parent.thread_pool));
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normalizer->alloc_buffer (max_frames_out);
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normalizer->add_output (threader);
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int format = ExportFormatBase::F_RAW | ExportFormatBase::SF_Float;
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tmp_file.reset (new TmpFile<float> (&tmpfile_path_buf[0], format, channels, config.format->sample_rate()));
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tmp_file->FileWritten.connect_same_thread (post_processing_connection,
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boost::bind (&Normalizer::start_post_processing, this));
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add_child (new_config);
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peak_reader->add_output (tmp_file);
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}
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ExportGraphBuilder::FloatSinkPtr
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ExportGraphBuilder::Normalizer::sink ()
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{
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return peak_reader;
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}
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void
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ExportGraphBuilder::Normalizer::add_child (FileSpec const & new_config)
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{
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for (boost::ptr_list<SFC>::iterator it = children.begin(); it != children.end(); ++it) {
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if (*it == new_config) {
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it->add_child (new_config);
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return;
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}
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}
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children.push_back (new SFC (parent, new_config, max_frames_out));
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threader->add_output (children.back().sink());
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}
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bool
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ExportGraphBuilder::Normalizer::operator== (FileSpec const & other_config) const
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{
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return config.format->normalize() == other_config.format->normalize() &&
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config.format->normalize_target() == other_config.format->normalize_target();
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}
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unsigned
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ExportGraphBuilder::Normalizer::get_normalize_cycle_count() const
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{
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return static_cast<unsigned>(std::ceil(static_cast<float>(tmp_file->get_frames_written()) /
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max_frames_out));
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}
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bool
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ExportGraphBuilder::Normalizer::process()
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{
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framecnt_t frames_read = tmp_file->read (*buffer);
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return frames_read != buffer->frames();
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}
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void
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ExportGraphBuilder::Normalizer::start_post_processing()
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{
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normalizer->set_peak (peak_reader->get_peak());
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tmp_file->seek (0, SEEK_SET);
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tmp_file->add_output (normalizer);
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parent.normalizers.push_back (this);
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}
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/* SRC */
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ExportGraphBuilder::SRC::SRC (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
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: parent (parent)
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{
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config = new_config;
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converter.reset (new SampleRateConverter (new_config.channel_config->get_n_chans()));
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ExportFormatSpecification & format = *new_config.format;
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converter->init (parent.session.nominal_frame_rate(), format.sample_rate(), format.src_quality());
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max_frames_out = converter->allocate_buffers (max_frames);
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add_child (new_config);
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}
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ExportGraphBuilder::FloatSinkPtr
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ExportGraphBuilder::SRC::sink ()
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{
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return converter;
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}
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void
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ExportGraphBuilder::SRC::add_child (FileSpec const & new_config)
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{
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if (new_config.format->normalize()) {
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add_child_to_list (new_config, normalized_children);
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} else {
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add_child_to_list (new_config, children);
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}
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}
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template<typename T>
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void
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ExportGraphBuilder::SRC::add_child_to_list (FileSpec const & new_config, boost::ptr_list<T> & list)
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{
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for (typename boost::ptr_list<T>::iterator it = list.begin(); it != list.end(); ++it) {
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if (*it == new_config) {
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it->add_child (new_config);
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return;
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}
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}
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list.push_back (new T (parent, new_config, max_frames_out));
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converter->add_output (list.back().sink ());
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}
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bool
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ExportGraphBuilder::SRC::operator== (FileSpec const & other_config) const
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{
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return config.format->sample_rate() == other_config.format->sample_rate();
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}
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/* SilenceHandler */
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ExportGraphBuilder::SilenceHandler::SilenceHandler (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
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: parent (parent)
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{
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config = new_config;
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max_frames_in = max_frames;
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framecnt_t sample_rate = parent.session.nominal_frame_rate();
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silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in));
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silence_trimmer->set_trim_beginning (config.format->trim_beginning());
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silence_trimmer->set_trim_end (config.format->trim_end());
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framecnt_t sb = config.format->silence_beginning_at (parent.timespan->get_start(), sample_rate);
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framecnt_t se = config.format->silence_end_at (parent.timespan->get_end(), sample_rate);
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silence_trimmer->add_silence_to_beginning (sb);
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silence_trimmer->add_silence_to_end (se);
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add_child (new_config);
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}
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ExportGraphBuilder::FloatSinkPtr
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ExportGraphBuilder::SilenceHandler::sink ()
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{
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return silence_trimmer;
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}
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void
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ExportGraphBuilder::SilenceHandler::add_child (FileSpec const & new_config)
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{
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for (boost::ptr_list<SRC>::iterator it = children.begin(); it != children.end(); ++it) {
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if (*it == new_config) {
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it->add_child (new_config);
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return;
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}
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}
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children.push_back (new SRC (parent, new_config, max_frames_in));
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silence_trimmer->add_output (children.back().sink());
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}
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bool
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ExportGraphBuilder::SilenceHandler::operator== (FileSpec const & other_config) const
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{
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ExportFormatSpecification & format = *config.format;
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ExportFormatSpecification & other_format = *other_config.format;
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return (format.trim_beginning() == other_format.trim_beginning()) &&
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(format.trim_end() == other_format.trim_end()) &&
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(format.silence_beginning_time() == other_format.silence_beginning_time()) &&
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(format.silence_end_time() == other_format.silence_end_time());
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}
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/* ChannelConfig */
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ExportGraphBuilder::ChannelConfig::ChannelConfig (ExportGraphBuilder & parent, FileSpec const & new_config, ChannelMap & channel_map)
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: parent (parent)
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{
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typedef ExportChannelConfiguration::ChannelList ChannelList;
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config = new_config;
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framecnt_t max_frames = parent.session.engine().samples_per_cycle();
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|
interleaver.reset (new Interleaver<Sample> ());
|
|
interleaver->init (new_config.channel_config->get_n_chans(), max_frames);
|
|
|
|
// Make the chunk size divisible by the channel count
|
|
int chan_count = new_config.channel_config->get_n_chans();
|
|
max_frames_out = 8192;
|
|
if (chan_count > 0) {
|
|
max_frames_out -= max_frames_out % chan_count;
|
|
}
|
|
chunker.reset (new Chunker<Sample> (max_frames_out));
|
|
interleaver->add_output(chunker);
|
|
|
|
ChannelList const & channel_list = config.channel_config->get_channels();
|
|
unsigned chan = 0;
|
|
for (ChannelList::const_iterator it = channel_list.begin(); it != channel_list.end(); ++it, ++chan) {
|
|
ChannelMap::iterator map_it = channel_map.find (*it);
|
|
if (map_it == channel_map.end()) {
|
|
std::pair<ChannelMap::iterator, bool> result_pair =
|
|
channel_map.insert (std::make_pair (*it, IdentityVertexPtr (new IdentityVertex<Sample> ())));
|
|
assert (result_pair.second);
|
|
map_it = result_pair.first;
|
|
}
|
|
map_it->second->add_output (interleaver->input (chan));
|
|
}
|
|
|
|
add_child (new_config);
|
|
}
|
|
|
|
void
|
|
ExportGraphBuilder::ChannelConfig::add_child (FileSpec const & new_config)
|
|
{
|
|
assert (*this == new_config);
|
|
|
|
for (boost::ptr_list<SilenceHandler>::iterator it = children.begin(); it != children.end(); ++it) {
|
|
if (*it == new_config) {
|
|
it->add_child (new_config);
|
|
return;
|
|
}
|
|
}
|
|
|
|
children.push_back (new SilenceHandler (parent, new_config, max_frames_out));
|
|
chunker->add_output (children.back().sink ());
|
|
}
|
|
|
|
bool
|
|
ExportGraphBuilder::ChannelConfig::operator== (FileSpec const & other_config) const
|
|
{
|
|
return config.channel_config == other_config.channel_config;
|
|
}
|
|
|
|
} // namespace ARDOUR
|