1 #include "ardour/export_graph_builder.h"
3 #include "audiographer/process_context.h"
4 #include "audiographer/general/interleaver.h"
5 #include "audiographer/general/normalizer.h"
6 #include "audiographer/general/peak_reader.h"
7 #include "audiographer/general/sample_format_converter.h"
8 #include "audiographer/general/sr_converter.h"
9 #include "audiographer/general/silence_trimmer.h"
10 #include "audiographer/general/threader.h"
11 #include "audiographer/sndfile/tmp_file.h"
12 #include "audiographer/sndfile/sndfile_writer.h"
14 #include "ardour/audioengine.h"
15 #include "ardour/export_channel_configuration.h"
16 #include "ardour/export_filename.h"
17 #include "ardour/export_format_specification.h"
18 #include "ardour/export_timespan.h"
19 #include "ardour/sndfile_helpers.h"
20 #include "ardour/utils.h"
22 #include "pbd/filesystem.h"
25 using namespace AudioGrapher;
30 ExportGraphBuilder::ExportGraphBuilder (Session const & session)
32 , thread_pool (hardware_concurrency())
34 process_buffer_frames = session.engine().frames_per_cycle();
37 ExportGraphBuilder::~ExportGraphBuilder ()
42 ExportGraphBuilder::process (framecnt_t frames, bool last_cycle)
44 assert(frames <= process_buffer_frames);
46 for (ChannelMap::iterator it = channels.begin(); it != channels.end(); ++it) {
47 Sample const * process_buffer = 0;
48 it->first->read (process_buffer, frames);
49 ConstProcessContext<Sample> context(process_buffer, frames, 1);
50 if (last_cycle) { context().set_flag (ProcessContext<Sample>::EndOfInput); }
51 it->second->process (context);
58 ExportGraphBuilder::process_normalize ()
60 for (std::list<Normalizer *>::iterator it = normalizers.begin(); it != normalizers.end(); /* ++ in loop */) {
61 if ((*it)->process()) {
62 it = normalizers.erase (it);
68 return normalizers.empty();
72 ExportGraphBuilder::reset ()
75 channel_configs.clear ();
81 ExportGraphBuilder::set_current_timespan (boost::shared_ptr<ExportTimespan> span)
87 ExportGraphBuilder::add_config (FileSpec const & config)
89 ExportChannelConfiguration::ChannelList const & channels =
90 config.channel_config->get_channels();
91 for(ExportChannelConfiguration::ChannelList::const_iterator it = channels.begin();
92 it != channels.end(); ++it) {
93 (*it)->set_max_buffer_size(process_buffer_frames);
96 // If the sample rate is "session rate", change it to the real value.
97 // However, we need to copy it to not change the config which is saved...
98 FileSpec new_config (config);
99 new_config.format.reset(new ExportFormatSpecification(*new_config.format));
100 if(new_config.format->sample_rate() == ExportFormatBase::SR_Session) {
101 framecnt_t session_rate = session.nominal_frame_rate();
102 new_config.format->set_sample_rate(ExportFormatBase::nearest_sample_rate(session_rate));
106 if (!new_config.channel_config->get_split ()) {
107 add_split_config (new_config);
111 // Split channel configurations are split into several channel configurations,
112 // each corresponding to a file, at this stage
113 typedef std::list<boost::shared_ptr<ExportChannelConfiguration> > ConfigList;
114 ConfigList file_configs;
115 new_config.channel_config->configurations_for_files (file_configs);
118 for (ConfigList::iterator it = file_configs.begin(); it != file_configs.end(); ++it, ++chan) {
119 FileSpec copy = new_config;
120 copy.channel_config = *it;
122 copy.filename.reset (new ExportFilename (*copy.filename));
123 copy.filename->include_channel = true;
124 copy.filename->set_channel (chan);
126 add_split_config (copy);
131 ExportGraphBuilder::add_split_config (FileSpec const & config)
133 for (ChannelConfigList::iterator it = channel_configs.begin(); it != channel_configs.end(); ++it) {
135 it->add_child (config);
140 // No duplicate channel config found, create new one
141 channel_configs.push_back (new ChannelConfig (*this, config, channels));
147 boost::shared_ptr<AudioGrapher::Sink<Sample> >
148 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
151 init_writer (float_writer);
156 boost::shared_ptr<AudioGrapher::Sink<int> >
157 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
160 init_writer (int_writer);
165 boost::shared_ptr<AudioGrapher::Sink<short> >
166 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
169 init_writer (short_writer);
174 ExportGraphBuilder::Encoder::add_child (FileSpec const & new_config)
176 filenames.push_back (new_config.filename);
180 ExportGraphBuilder::Encoder::operator== (FileSpec const & other_config) const
182 return get_real_format (config) == get_real_format (other_config);
186 ExportGraphBuilder::Encoder::get_real_format (FileSpec const & config)
188 ExportFormatSpecification & format = *config.format;
189 return format.format_id() | format.sample_format() | format.endianness();
194 ExportGraphBuilder::Encoder::init_writer (boost::shared_ptr<AudioGrapher::SndfileWriter<T> > & writer)
196 unsigned channels = config.channel_config->get_n_chans();
197 int format = get_real_format (config);
198 config.filename->set_channel_config(config.channel_config);
199 string filename = config.filename->get_path (config.format);
201 writer.reset (new AudioGrapher::SndfileWriter<T> (filename, format, channels, config.format->sample_rate(), config.broadcast_info));
202 writer->FileWritten.connect_same_thread (copy_files_connection, boost::bind (&ExportGraphBuilder::Encoder::copy_files, this, _1));
206 ExportGraphBuilder::Encoder::copy_files (std::string orig_path)
208 while (filenames.size()) {
209 ExportFilenamePtr & filename = filenames.front();
210 PBD::sys::copy_file (orig_path, filename->get_path (config.format).c_str());
211 filenames.pop_front();
217 ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &, FileSpec const & new_config, framecnt_t max_frames)
221 data_width = sndfile_data_width (Encoder::get_real_format (config));
222 unsigned channels = new_config.channel_config->get_n_chans();
224 if (data_width == 8 || data_width == 16) {
225 short_converter = ShortConverterPtr (new SampleFormatConverter<short> (channels));
226 short_converter->init (max_frames, config.format->dither_type(), data_width);
228 } else if (data_width == 24 || data_width == 32) {
229 int_converter = IntConverterPtr (new SampleFormatConverter<int> (channels));
230 int_converter->init (max_frames, config.format->dither_type(), data_width);
233 int actual_data_width = 8 * sizeof(Sample);
234 float_converter = FloatConverterPtr (new SampleFormatConverter<Sample> (channels));
235 float_converter->init (max_frames, config.format->dither_type(), actual_data_width);
240 ExportGraphBuilder::FloatSinkPtr
241 ExportGraphBuilder::SFC::sink ()
243 if (data_width == 8 || data_width == 16) {
244 return short_converter;
245 } else if (data_width == 24 || data_width == 32) {
246 return int_converter;
248 return float_converter;
253 ExportGraphBuilder::SFC::add_child (FileSpec const & new_config)
255 for (boost::ptr_list<Encoder>::iterator it = children.begin(); it != children.end(); ++it) {
256 if (*it == new_config) {
257 it->add_child (new_config);
262 children.push_back (new Encoder());
263 Encoder & encoder = children.back();
265 if (data_width == 8 || data_width == 16) {
266 short_converter->add_output (encoder.init<short> (new_config));
267 } else if (data_width == 24 || data_width == 32) {
268 int_converter->add_output (encoder.init<int> (new_config));
270 float_converter->add_output (encoder.init<Sample> (new_config));
275 ExportGraphBuilder::SFC::operator== (FileSpec const & other_config) const
277 return config.format->sample_format() == other_config.format->sample_format();
282 ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t /*max_frames*/)
286 max_frames_out = 4086; // TODO good chunk size
288 buffer.reset (new AllocatingProcessContext<Sample> (max_frames_out, config.channel_config->get_n_chans()));
289 peak_reader.reset (new PeakReader ());
290 normalizer.reset (new AudioGrapher::Normalizer (config.format->normalize_target()));
291 threader.reset (new Threader<Sample> (parent.thread_pool));
293 normalizer->alloc_buffer (max_frames_out);
294 normalizer->add_output (threader);
296 int format = ExportFormatBase::F_RAW | ExportFormatBase::SF_Float;
297 tmp_file.reset (new TmpFile<float> (format, config.channel_config->get_n_chans(),
298 config.format->sample_rate()));
299 tmp_file->FileWritten.connect_same_thread (post_processing_connection, boost::bind (&Normalizer::start_post_processing, this));
301 add_child (new_config);
303 peak_reader->add_output (tmp_file);
306 ExportGraphBuilder::FloatSinkPtr
307 ExportGraphBuilder::Normalizer::sink ()
313 ExportGraphBuilder::Normalizer::add_child (FileSpec const & new_config)
315 for (boost::ptr_list<SFC>::iterator it = children.begin(); it != children.end(); ++it) {
316 if (*it == new_config) {
317 it->add_child (new_config);
322 children.push_back (new SFC (parent, new_config, max_frames_out));
323 threader->add_output (children.back().sink());
327 ExportGraphBuilder::Normalizer::operator== (FileSpec const & other_config) const
329 return config.format->normalize() == other_config.format->normalize() &&
330 config.format->normalize_target() == other_config.format->normalize_target();
334 ExportGraphBuilder::Normalizer::process()
336 framecnt_t frames_read = tmp_file->read (*buffer);
337 return frames_read != buffer->frames();
341 ExportGraphBuilder::Normalizer::start_post_processing()
343 normalizer->set_peak (peak_reader->get_peak());
344 tmp_file->seek (0, SEEK_SET);
345 tmp_file->add_output (normalizer);
346 parent.normalizers.push_back (this);
351 ExportGraphBuilder::SRC::SRC (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
355 converter.reset (new SampleRateConverter (new_config.channel_config->get_n_chans()));
356 ExportFormatSpecification & format = *new_config.format;
357 converter->init (parent.session.nominal_frame_rate(), format.sample_rate(), format.src_quality());
358 max_frames_out = converter->allocate_buffers (max_frames);
360 add_child (new_config);
363 ExportGraphBuilder::FloatSinkPtr
364 ExportGraphBuilder::SRC::sink ()
370 ExportGraphBuilder::SRC::add_child (FileSpec const & new_config)
372 if (new_config.format->normalize()) {
373 add_child_to_list (new_config, normalized_children);
375 add_child_to_list (new_config, children);
381 ExportGraphBuilder::SRC::add_child_to_list (FileSpec const & new_config, boost::ptr_list<T> & list)
383 for (typename boost::ptr_list<T>::iterator it = list.begin(); it != list.end(); ++it) {
384 if (*it == new_config) {
385 it->add_child (new_config);
390 list.push_back (new T (parent, new_config, max_frames_out));
391 converter->add_output (list.back().sink ());
395 ExportGraphBuilder::SRC::operator== (FileSpec const & other_config) const
397 return config.format->sample_rate() == other_config.format->sample_rate();
401 ExportGraphBuilder::SilenceHandler::SilenceHandler (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
405 max_frames_in = max_frames;
406 framecnt_t sample_rate = parent.session.nominal_frame_rate();
408 silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in));
409 silence_trimmer->set_trim_beginning (config.format->trim_beginning());
410 silence_trimmer->set_trim_end (config.format->trim_end());
412 framecnt_t sb = config.format->silence_beginning_at (parent.timespan->get_start(), sample_rate);
413 framecnt_t se = config.format->silence_end_at (parent.timespan->get_end(), sample_rate);
415 silence_trimmer->add_silence_to_beginning (sb);
416 silence_trimmer->add_silence_to_end (se);
418 add_child (new_config);
421 ExportGraphBuilder::FloatSinkPtr
422 ExportGraphBuilder::SilenceHandler::sink ()
424 return silence_trimmer;
428 ExportGraphBuilder::SilenceHandler::add_child (FileSpec const & new_config)
430 for (boost::ptr_list<SRC>::iterator it = children.begin(); it != children.end(); ++it) {
431 if (*it == new_config) {
432 it->add_child (new_config);
437 children.push_back (new SRC (parent, new_config, max_frames_in));
438 silence_trimmer->add_output (children.back().sink());
442 ExportGraphBuilder::SilenceHandler::operator== (FileSpec const & other_config) const
444 ExportFormatSpecification & format = *config.format;
445 ExportFormatSpecification & other_format = *other_config.format;
446 return (format.trim_beginning() == other_format.trim_beginning()) &&
447 (format.trim_end() == other_format.trim_end()) &&
448 (format.silence_beginning_time() == other_format.silence_beginning_time()) &&
449 (format.silence_end_time() == other_format.silence_end_time());
454 ExportGraphBuilder::ChannelConfig::ChannelConfig (ExportGraphBuilder & parent, FileSpec const & new_config, ChannelMap & channel_map)
457 typedef ExportChannelConfiguration::ChannelList ChannelList;
460 max_frames = parent.session.engine().frames_per_cycle();
462 interleaver.reset (new Interleaver<Sample> ());
463 interleaver->init (new_config.channel_config->get_n_chans(), max_frames);
465 ChannelList const & channel_list = config.channel_config->get_channels();
467 for (ChannelList::const_iterator it = channel_list.begin(); it != channel_list.end(); ++it, ++chan) {
468 ChannelMap::iterator map_it = channel_map.find (*it);
469 if (map_it == channel_map.end()) {
470 std::pair<ChannelMap::iterator, bool> result_pair =
471 channel_map.insert (std::make_pair (*it, IdentityVertexPtr (new IdentityVertex<Sample> ())));
472 assert (result_pair.second);
473 map_it = result_pair.first;
475 map_it->second->add_output (interleaver->input (chan));
478 add_child (new_config);
482 ExportGraphBuilder::ChannelConfig::add_child (FileSpec const & new_config)
484 for (boost::ptr_list<SilenceHandler>::iterator it = children.begin(); it != children.end(); ++it) {
485 if (*it == new_config) {
486 it->add_child (new_config);
491 framecnt_t const max_frames_out = new_config.channel_config->get_n_chans() * max_frames;
492 children.push_back (new SilenceHandler (parent, new_config, max_frames_out));
493 interleaver->add_output (children.back().sink ());
497 ExportGraphBuilder::ChannelConfig::operator== (FileSpec const & other_config) const
499 return config.channel_config == other_config.channel_config;
502 } // namespace ARDOUR