+/*
+ 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 <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 "pbd/filesystem.h"
+#include "pbd/file_utils.h"
+#include "pbd/cpus.h"
using namespace AudioGrapher;
using std::string;
ExportGraphBuilder::ExportGraphBuilder (Session const & session)
: session (session)
- , thread_pool (4) // FIXME thread amount to cores amount
+ , thread_pool (hardware_concurrency())
{
- process_buffer_frames = session.engine().frames_per_cycle();
+ process_buffer_frames = session.engine().samples_per_cycle();
}
ExportGraphBuilder::~ExportGraphBuilder ()
ExportGraphBuilder::process (framecnt_t frames, bool last_cycle)
{
assert(frames <= process_buffer_frames);
-
+
for (ChannelMap::iterator it = channels.begin(); it != channels.end(); ++it) {
- Sample * process_buffer = 0;
+ Sample const * process_buffer = 0;
it->first->read (process_buffer, frames);
- ProcessContext<Sample> context(process_buffer, frames, 1);
- if (last_cycle) { context.set_flag (ProcessContext<Sample>::EndOfInput); }
+ ConstProcessContext<Sample> context(process_buffer, frames, 1);
+ if (last_cycle) { context().set_flag (ProcessContext<Sample>::EndOfInput); }
it->second->process (context);
}
-
+
return 0;
}
++it;
}
}
-
+
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));
}
-
-
+
+
if (!new_config.channel_config->get_split ()) {
add_split_config (new_config);
return;
}
-
+
// Split channel configurations are split into several channel configurations,
// each corresponding to a file, at this stage
typedef std::list<boost::shared_ptr<ExportChannelConfiguration> > ConfigList;
ConfigList file_configs;
new_config.channel_config->configurations_for_files (file_configs);
-
+
unsigned chan = 1;
for (ConfigList::iterator it = file_configs.begin(); it != file_configs.end(); ++it, ++chan) {
FileSpec copy = new_config;
copy.channel_config = *it;
-
+
copy.filename.reset (new ExportFilename (*copy.filename));
copy.filename->include_channel = true;
copy.filename->set_channel (chan);
-
+
add_split_config (copy);
}
}
return;
}
}
-
+
// No duplicate channel config found, create new one
channel_configs.push_back (new ChannelConfig (*this, config, channels));
}
int format = get_real_format (config);
config.filename->set_channel_config(config.channel_config);
string filename = config.filename->get_path (config.format);
-
+
writer.reset (new AudioGrapher::SndfileWriter<T> (filename, format, channels, config.format->sample_rate(), config.broadcast_info));
writer->FileWritten.connect_same_thread (copy_files_connection, boost::bind (&ExportGraphBuilder::Encoder::copy_files, this, _1));
}
ExportGraphBuilder::Encoder::copy_files (std::string orig_path)
{
while (filenames.size()) {
- FilenamePtr & filename = filenames.front();
- PBD::sys::copy_file (orig_path, filename->get_path (config.format).c_str());
+ ExportFilenamePtr & filename = filenames.front();
+ PBD::copy_file (orig_path, filename->get_path (config.format).c_str());
filenames.pop_front();
}
}
config = new_config;
data_width = sndfile_data_width (Encoder::get_real_format (config));
unsigned channels = new_config.channel_config->get_n_chans();
-
+
if (data_width == 8 || data_width == 16) {
short_converter = ShortConverterPtr (new SampleFormatConverter<short> (channels));
short_converter->init (max_frames, config.format->dither_type(), data_width);
return;
}
}
-
+
children.push_back (new Encoder());
Encoder & encoder = children.back();
-
+
if (data_width == 8 || data_width == 16) {
short_converter->add_output (encoder.init<short> (new_config));
} else if (data_width == 24 || data_width == 32) {
ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t /*max_frames*/)
: parent (parent)
{
+ std::string tmpfile_path = parent.session.session_directory().export_path();
+ tmpfile_path = Glib::build_filename(tmpfile_path, "XXXXXX");
+ char tmpfile_path_buf[tmpfile_path.size() + 1];
+ std::copy(tmpfile_path.begin(), tmpfile_path.end(), tmpfile_path_buf);
+ tmpfile_path_buf[tmpfile_path.size()] = '\0';
+
config = new_config;
- max_frames_out = 4086; // TODO good chunk size
+ 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, config.channel_config->get_n_chans()));
+ 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->alloc_buffer (max_frames_out);
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, 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);
-
+
peak_reader->add_output (tmp_file);
}
return;
}
}
-
+
children.push_back (new SFC (parent, new_config, max_frames_out));
threader->add_output (children.back().sink());
}
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()
{
ExportFormatSpecification & format = *new_config.format;
converter->init (parent.session.nominal_frame_rate(), format.sample_rate(), format.src_quality());
max_frames_out = converter->allocate_buffers (max_frames);
-
+
add_child (new_config);
}
return;
}
}
-
+
list.push_back (new T (parent, new_config, max_frames_out));
converter->add_output (list.back().sink ());
}
config = new_config;
max_frames_in = max_frames;
framecnt_t sample_rate = parent.session.nominal_frame_rate();
-
+
silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in));
silence_trimmer->set_trim_beginning (config.format->trim_beginning());
silence_trimmer->set_trim_end (config.format->trim_end());
-
+
framecnt_t sb = config.format->silence_beginning_at (parent.timespan->get_start(), sample_rate);
framecnt_t se = config.format->silence_end_at (parent.timespan->get_end(), sample_rate);
-
+
silence_trimmer->add_silence_to_beginning (sb);
silence_trimmer->add_silence_to_end (se);
-
+
add_child (new_config);
}
return;
}
}
-
+
children.push_back (new SRC (parent, new_config, max_frames_in));
silence_trimmer->add_output (children.back().sink());
}
: parent (parent)
{
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) {
}
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;
}
}
-
- 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
projects / ardour.git / blobdiff