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"
21 #include "pbd/filesystem.h"
23 using namespace AudioGrapher;
28 ExportGraphBuilder::ExportGraphBuilder (Session const & session)
30 , thread_pool (4) // FIXME thread amount to cores amount
32 process_buffer_frames = session.engine().frames_per_cycle();
33 process_buffer = new Sample[process_buffer_frames];
36 ExportGraphBuilder::~ExportGraphBuilder ()
38 delete [] process_buffer;
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 it->first->read (process_buffer, frames);
48 ProcessContext<Sample> context(process_buffer, frames, 1);
49 if (last_cycle) { context.set_flag (ProcessContext<Sample>::EndOfInput); }
50 it->second->process (context);
57 ExportGraphBuilder::process_normalize ()
59 for (std::list<Normalizer *>::iterator it = normalizers.begin(); it != normalizers.end(); /* ++ in loop */) {
60 if ((*it)->process()) {
61 it = normalizers.erase (it);
67 return normalizers.empty();
71 ExportGraphBuilder::reset ()
74 channel_configs.clear ();
80 ExportGraphBuilder::set_current_timespan (boost::shared_ptr<ExportTimespan> span)
86 ExportGraphBuilder::add_config (FileSpec const & config)
88 // If the sample rate is "session rate", change it to the real value.
89 // However, we need to copy it to not change the config which is saved...
90 FileSpec new_config (config);
91 new_config.format.reset(new ExportFormatSpecification(*new_config.format));
92 if(new_config.format->sample_rate() == ExportFormatBase::SR_Session) {
93 framecnt_t session_rate = session.nominal_frame_rate();
94 new_config.format->set_sample_rate(ExportFormatBase::nearest_sample_rate(session_rate));
98 if (!new_config.channel_config->get_split ()) {
99 add_split_config (new_config);
103 // Split channel configurations are split into several channel configurations,
104 // each corresponding to a file, at this stage
105 typedef std::list<boost::shared_ptr<ExportChannelConfiguration> > ConfigList;
106 ConfigList file_configs;
107 new_config.channel_config->configurations_for_files (file_configs);
110 for (ConfigList::iterator it = file_configs.begin(); it != file_configs.end(); ++it, ++chan) {
111 FileSpec copy = new_config;
112 copy.channel_config = *it;
114 copy.filename.reset (new ExportFilename (*copy.filename));
115 copy.filename->include_channel = true;
116 copy.filename->set_channel (chan);
118 add_split_config (copy);
123 ExportGraphBuilder::add_split_config (FileSpec const & config)
125 for (ChannelConfigList::iterator it = channel_configs.begin(); it != channel_configs.end(); ++it) {
127 it->add_child (config);
132 // No duplicate channel config found, create new one
133 channel_configs.push_back (new ChannelConfig (*this, config, channels));
139 boost::shared_ptr<AudioGrapher::Sink<Sample> >
140 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
143 init_writer (float_writer);
148 boost::shared_ptr<AudioGrapher::Sink<int> >
149 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
152 init_writer (int_writer);
157 boost::shared_ptr<AudioGrapher::Sink<short> >
158 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
161 init_writer (short_writer);
166 ExportGraphBuilder::Encoder::add_child (FileSpec const & new_config)
168 filenames.push_back (new_config.filename);
172 ExportGraphBuilder::Encoder::operator== (FileSpec const & other_config) const
174 return get_real_format (config) == get_real_format (other_config);
178 ExportGraphBuilder::Encoder::get_real_format (FileSpec const & config)
180 ExportFormatSpecification & format = *config.format;
181 return format.format_id() | format.sample_format() | format.endianness();
186 ExportGraphBuilder::Encoder::init_writer (boost::shared_ptr<AudioGrapher::SndfileWriter<T> > & writer)
188 unsigned channels = config.channel_config->get_n_chans();
189 int format = get_real_format (config);
190 string filename = config.filename->get_path (config.format);
192 writer.reset (new AudioGrapher::SndfileWriter<T> (filename, format, channels, config.format->sample_rate(), config.broadcast_info));
193 writer->FileWritten.connect_same_thread (copy_files_connection, boost::bind (&ExportGraphBuilder::Encoder::copy_files, this, _1));
197 ExportGraphBuilder::Encoder::copy_files (std::string orig_path)
199 while (filenames.size()) {
200 FilenamePtr & filename = filenames.front();
201 PBD::sys::copy_file (orig_path, filename->get_path (config.format).c_str());
202 filenames.pop_front();
208 ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &, FileSpec const & new_config, framecnt_t max_frames)
212 data_width = sndfile_data_width (Encoder::get_real_format (config));
213 unsigned channels = new_config.channel_config->get_n_chans();
215 if (data_width == 8 || data_width == 16) {
216 short_converter = ShortConverterPtr (new SampleFormatConverter<short> (channels));
217 short_converter->init (max_frames, config.format->dither_type(), data_width);
219 } else if (data_width == 24 || data_width == 32) {
220 int_converter = IntConverterPtr (new SampleFormatConverter<int> (channels));
221 int_converter->init (max_frames, config.format->dither_type(), data_width);
224 int actual_data_width = 8 * sizeof(Sample);
225 float_converter = FloatConverterPtr (new SampleFormatConverter<Sample> (channels));
226 float_converter->init (max_frames, config.format->dither_type(), actual_data_width);
231 ExportGraphBuilder::FloatSinkPtr
232 ExportGraphBuilder::SFC::sink ()
234 if (data_width == 8 || data_width == 16) {
235 return short_converter;
236 } else if (data_width == 24 || data_width == 32) {
237 return int_converter;
239 return float_converter;
244 ExportGraphBuilder::SFC::add_child (FileSpec const & new_config)
246 for (boost::ptr_list<Encoder>::iterator it = children.begin(); it != children.end(); ++it) {
247 if (*it == new_config) {
248 it->add_child (new_config);
253 children.push_back (new Encoder());
254 Encoder & encoder = children.back();
256 if (data_width == 8 || data_width == 16) {
257 short_converter->add_output (encoder.init<short> (new_config));
258 } else if (data_width == 24 || data_width == 32) {
259 int_converter->add_output (encoder.init<int> (new_config));
261 float_converter->add_output (encoder.init<Sample> (new_config));
266 ExportGraphBuilder::SFC::operator== (FileSpec const & other_config) const
268 return config.format->sample_format() == other_config.format->sample_format();
273 ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t /*max_frames*/)
277 max_frames_out = 4086; // TODO good chunk size
279 buffer.reset (new AllocatingProcessContext<Sample> (max_frames_out, config.channel_config->get_n_chans()));
280 peak_reader.reset (new PeakReader ());
281 normalizer.reset (new AudioGrapher::Normalizer (config.format->normalize_target()));
282 threader.reset (new Threader<Sample> (parent.thread_pool));
284 normalizer->alloc_buffer (max_frames_out);
285 normalizer->add_output (threader);
287 int format = ExportFormatBase::F_RAW | ExportFormatBase::SF_Float;
288 tmp_file.reset (new TmpFile<float> (format, config.channel_config->get_n_chans(),
289 config.format->sample_rate()));
290 tmp_file->FileWritten.connect_same_thread (post_processing_connection, boost::bind (&Normalizer::start_post_processing, this));
292 add_child (new_config);
294 peak_reader->add_output (tmp_file);
297 ExportGraphBuilder::FloatSinkPtr
298 ExportGraphBuilder::Normalizer::sink ()
304 ExportGraphBuilder::Normalizer::add_child (FileSpec const & new_config)
306 for (boost::ptr_list<SFC>::iterator it = children.begin(); it != children.end(); ++it) {
307 if (*it == new_config) {
308 it->add_child (new_config);
313 children.push_back (new SFC (parent, new_config, max_frames_out));
314 threader->add_output (children.back().sink());
318 ExportGraphBuilder::Normalizer::operator== (FileSpec const & other_config) const
320 return config.format->normalize() == other_config.format->normalize() &&
321 config.format->normalize_target() == other_config.format->normalize_target();
325 ExportGraphBuilder::Normalizer::process()
327 framecnt_t frames_read = tmp_file->read (*buffer);
328 return frames_read != buffer->frames();
332 ExportGraphBuilder::Normalizer::start_post_processing()
334 normalizer->set_peak (peak_reader->get_peak());
335 tmp_file->seek (0, SEEK_SET);
336 tmp_file->add_output (normalizer);
337 parent.normalizers.push_back (this);
342 ExportGraphBuilder::SRC::SRC (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
346 converter.reset (new SampleRateConverter (new_config.channel_config->get_n_chans()));
347 ExportFormatSpecification & format = *new_config.format;
348 converter->init (parent.session.nominal_frame_rate(), format.sample_rate(), format.src_quality());
349 max_frames_out = converter->allocate_buffers (max_frames);
351 add_child (new_config);
354 ExportGraphBuilder::FloatSinkPtr
355 ExportGraphBuilder::SRC::sink ()
361 ExportGraphBuilder::SRC::add_child (FileSpec const & new_config)
363 if (new_config.format->normalize()) {
364 add_child_to_list (new_config, normalized_children);
366 add_child_to_list (new_config, children);
372 ExportGraphBuilder::SRC::add_child_to_list (FileSpec const & new_config, boost::ptr_list<T> & list)
374 for (typename boost::ptr_list<T>::iterator it = list.begin(); it != list.end(); ++it) {
375 if (*it == new_config) {
376 it->add_child (new_config);
381 list.push_back (new T (parent, new_config, max_frames_out));
382 converter->add_output (list.back().sink ());
386 ExportGraphBuilder::SRC::operator== (FileSpec const & other_config) const
388 return config.format->sample_rate() == other_config.format->sample_rate();
392 ExportGraphBuilder::SilenceHandler::SilenceHandler (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
396 max_frames_in = max_frames;
397 framecnt_t sample_rate = parent.session.nominal_frame_rate();
399 silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in));
400 silence_trimmer->set_trim_beginning (config.format->trim_beginning());
401 silence_trimmer->set_trim_end (config.format->trim_end());
403 framecnt_t sb = config.format->silence_beginning_at (parent.timespan->get_start(), sample_rate);
404 framecnt_t se = config.format->silence_end_at (parent.timespan->get_end(), sample_rate);
406 silence_trimmer->add_silence_to_beginning (sb);
407 silence_trimmer->add_silence_to_end (se);
409 add_child (new_config);
412 ExportGraphBuilder::FloatSinkPtr
413 ExportGraphBuilder::SilenceHandler::sink ()
415 return silence_trimmer;
419 ExportGraphBuilder::SilenceHandler::add_child (FileSpec const & new_config)
421 for (boost::ptr_list<SRC>::iterator it = children.begin(); it != children.end(); ++it) {
422 if (*it == new_config) {
423 it->add_child (new_config);
428 children.push_back (new SRC (parent, new_config, max_frames_in));
429 silence_trimmer->add_output (children.back().sink());
433 ExportGraphBuilder::SilenceHandler::operator== (FileSpec const & other_config) const
435 ExportFormatSpecification & format = *config.format;
436 ExportFormatSpecification & other_format = *other_config.format;
437 return (format.trim_beginning() == other_format.trim_beginning()) &&
438 (format.trim_end() == other_format.trim_end()) &&
439 (format.silence_beginning_time() == other_format.silence_beginning_time()) &&
440 (format.silence_end_time() == other_format.silence_end_time());
445 ExportGraphBuilder::ChannelConfig::ChannelConfig (ExportGraphBuilder & parent, FileSpec const & new_config, ChannelMap & channel_map)
448 typedef ExportChannelConfiguration::ChannelList ChannelList;
451 max_frames = parent.session.engine().frames_per_cycle();
453 interleaver.reset (new Interleaver<Sample> ());
454 interleaver->init (new_config.channel_config->get_n_chans(), max_frames);
456 ChannelList const & channel_list = config.channel_config->get_channels();
458 for (ChannelList::const_iterator it = channel_list.begin(); it != channel_list.end(); ++it, ++chan) {
459 ChannelMap::iterator map_it = channel_map.find (*it);
460 if (map_it == channel_map.end()) {
461 std::pair<ChannelMap::iterator, bool> result_pair =
462 channel_map.insert (std::make_pair (*it, IdentityVertexPtr (new IdentityVertex<Sample> ())));
463 assert (result_pair.second);
464 map_it = result_pair.first;
466 map_it->second->add_output (interleaver->input (chan));
469 add_child (new_config);
473 ExportGraphBuilder::ChannelConfig::add_child (FileSpec const & new_config)
475 for (boost::ptr_list<SilenceHandler>::iterator it = children.begin(); it != children.end(); ++it) {
476 if (*it == new_config) {
477 it->add_child (new_config);
482 framecnt_t const max_frames_out = new_config.channel_config->get_n_chans() * max_frames;
483 children.push_back (new SilenceHandler (parent, new_config, max_frames_out));
484 interleaver->add_output (children.back().sink ());
488 ExportGraphBuilder::ChannelConfig::operator== (FileSpec const & other_config) const
490 return config.channel_config == other_config.channel_config;
493 } // namespace ARDOUR