+/*
+ Copyright (C) 2008-2012 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.
+
+*/
+
#include "ardour/export_graph_builder.h"
+#include <vector>
+
+#include <glibmm/miscutils.h>
+
#include "audiographer/process_context.h"
+#include "audiographer/general/chunker.h"
#include "audiographer/general/interleaver.h"
#include "audiographer/general/normalizer.h"
#include "audiographer/general/peak_reader.h"
#include "ardour/export_filename.h"
#include "ardour/export_format_specification.h"
#include "ardour/export_timespan.h"
+#include "ardour/session_directory.h"
#include "ardour/sndfile_helpers.h"
-#include "ardour/utils.h"
-#include "pbd/filesystem.h"
+#include "pbd/file_utils.h"
#include "pbd/cpus.h"
using namespace AudioGrapher;
: session (session)
, thread_pool (hardware_concurrency())
{
- process_buffer_frames = session.engine().frames_per_cycle();
+ process_buffer_frames = session.engine().samples_per_cycle();
}
ExportGraphBuilder::~ExportGraphBuilder ()
return normalizers.empty();
}
+unsigned
+ExportGraphBuilder::get_normalize_cycle_count() const
+{
+ unsigned max = 0;
+ for (std::list<Normalizer *>::const_iterator it = normalizers.begin(); it != normalizers.end(); ++it) {
+ max = std::max(max, (*it)->get_normalize_cycle_count());
+ }
+ return max;
+}
+
void
ExportGraphBuilder::reset ()
{
// If the sample rate is "session rate", change it to the real value.
// However, we need to copy it to not change the config which is saved...
FileSpec new_config (config);
- new_config.format.reset(new ExportFormatSpecification(*new_config.format));
+ new_config.format.reset(new ExportFormatSpecification(*new_config.format, false));
if(new_config.format->sample_rate() == ExportFormatBase::SR_Session) {
framecnt_t session_rate = session.nominal_frame_rate();
new_config.format->set_sample_rate(ExportFormatBase::nearest_sample_rate(session_rate));
{
while (filenames.size()) {
ExportFilenamePtr & filename = filenames.front();
- PBD::sys::copy_file (orig_path, filename->get_path (config.format).c_str());
+ PBD::copy_file (orig_path, filename->get_path (config.format).c_str());
filenames.pop_front();
}
}
ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t /*max_frames*/)
: parent (parent)
{
- config = new_config;
- max_frames_out = 4086; // TODO good chunk size
+ std::string tmpfile_path = parent.session.session_directory().export_path();
+ tmpfile_path = Glib::build_filename(tmpfile_path, "XXXXXX");
+ std::vector<char> tmpfile_path_buf(tmpfile_path.size() + 1);
+ std::copy(tmpfile_path.begin(), tmpfile_path.end(), tmpfile_path_buf.begin());
+ tmpfile_path_buf[tmpfile_path.size()] = '\0';
- buffer.reset (new AllocatingProcessContext<Sample> (max_frames_out, config.channel_config->get_n_chans()));
+ config = new_config;
+ uint32_t const channels = config.channel_config->get_n_chans();
+ max_frames_out = 4086 - (4086 % channels); // TODO good chunk size
+
+ buffer.reset (new AllocatingProcessContext<Sample> (max_frames_out, channels));
peak_reader.reset (new PeakReader ());
normalizer.reset (new AudioGrapher::Normalizer (config.format->normalize_target()));
threader.reset (new Threader<Sample> (parent.thread_pool));
normalizer->add_output (threader);
int format = ExportFormatBase::F_RAW | ExportFormatBase::SF_Float;
- tmp_file.reset (new TmpFile<float> (format, config.channel_config->get_n_chans(),
- config.format->sample_rate()));
- tmp_file->FileWritten.connect_same_thread (post_processing_connection, boost::bind (&Normalizer::start_post_processing, this));
+ tmp_file.reset (new TmpFile<float> (&tmpfile_path_buf[0], format, channels, config.format->sample_rate()));
+ tmp_file->FileWritten.connect_same_thread (post_processing_connection,
+ boost::bind (&Normalizer::start_post_processing, this));
add_child (new_config);
config.format->normalize_target() == other_config.format->normalize_target();
}
+unsigned
+ExportGraphBuilder::Normalizer::get_normalize_cycle_count() const
+{
+ return static_cast<unsigned>(std::ceil(static_cast<float>(tmp_file->get_frames_written()) /
+ max_frames_out));
+}
+
bool
ExportGraphBuilder::Normalizer::process()
{
typedef ExportChannelConfiguration::ChannelList ChannelList;
config = new_config;
- max_frames = parent.session.engine().frames_per_cycle();
+ framecnt_t max_frames = parent.session.engine().samples_per_cycle();
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;
+ 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) {
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);
}
}
- framecnt_t const max_frames_out = new_config.channel_config->get_n_chans() * max_frames;
children.push_back (new SilenceHandler (parent, new_config, max_frames_out));
- interleaver->add_output (children.back().sink ());
+ chunker->add_output (children.back().sink ());
}
bool