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/sndfile_helpers.h"
20 #include "pbd/filesystem.h"
22 using namespace AudioGrapher;
27 ExportGraphBuilder::ExportGraphBuilder (Session const & session)
29 , thread_pool (4) // FIXME thread amount to cores amount
31 process_buffer_frames = session.engine().frames_per_cycle();
32 process_buffer = new Sample[process_buffer_frames];
35 ExportGraphBuilder::~ExportGraphBuilder ()
37 delete [] process_buffer;
41 ExportGraphBuilder::process (nframes_t frames, bool last_cycle)
43 assert(frames <= process_buffer_frames);
45 for (ChannelMap::iterator it = channels.begin(); it != channels.end(); ++it) {
46 it->first->read (process_buffer, frames);
47 ProcessContext<Sample> context(process_buffer, frames, 1);
48 if (last_cycle) { context.set_flag (ProcessContext<Sample>::EndOfInput); }
49 it->second->process (context);
56 ExportGraphBuilder::process_normalize ()
58 for (std::list<Normalizer *>::iterator it = normalizers.begin(); it != normalizers.end(); /* ++ in loop */) {
59 if ((*it)->process()) {
60 it = normalizers.erase (it);
66 return normalizers.empty();
70 ExportGraphBuilder::reset ()
72 channel_configs.clear ();
78 ExportGraphBuilder::add_config (FileSpec const & config)
80 if (!config.channel_config->get_split ()) {
81 add_split_config (config);
85 // Split channel configurations are split into several channel configurations,
86 // each corresponding to a file, at this stage
87 typedef std::list<boost::shared_ptr<ExportChannelConfiguration> > ConfigList;
88 ConfigList file_configs;
89 config.channel_config->configurations_for_files (file_configs);
92 for (ConfigList::iterator it = file_configs.begin(); it != file_configs.end(); ++it, ++chan) {
93 FileSpec copy = config;
94 copy.channel_config = *it;
96 copy.filename.reset (new ExportFilename (*copy.filename));
97 copy.filename->include_channel = true;
98 copy.filename->set_channel (chan);
100 add_split_config (copy);
105 ExportGraphBuilder::add_split_config (FileSpec const & config)
107 for (ChannelConfigList::iterator it = channel_configs.begin(); it != channel_configs.end(); ++it) {
109 it->add_child (config);
114 // No duplicate channel config found, create new one
115 channel_configs.push_back (new ChannelConfig (*this, config, channels));
121 boost::shared_ptr<AudioGrapher::Sink<Sample> >
122 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
125 init_writer (float_writer);
130 boost::shared_ptr<AudioGrapher::Sink<int> >
131 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
134 init_writer (int_writer);
139 boost::shared_ptr<AudioGrapher::Sink<short> >
140 ExportGraphBuilder::Encoder::init (FileSpec const & new_config)
143 init_writer (short_writer);
148 ExportGraphBuilder::Encoder::add_child (FileSpec const & new_config)
150 filenames.push_back (new_config.filename);
154 ExportGraphBuilder::Encoder::operator== (FileSpec const & other_config) const
156 return get_real_format (config) == get_real_format (other_config);
160 ExportGraphBuilder::Encoder::get_real_format (FileSpec const & config)
162 ExportFormatSpecification & format = *config.format;
163 return format.format_id() | format.sample_format() | format.endianness();
168 ExportGraphBuilder::Encoder::init_writer (boost::shared_ptr<AudioGrapher::SndfileWriter<T> > & writer)
170 unsigned channels = config.channel_config->get_n_chans();
171 int format = get_real_format (config);
172 string filename = config.filename->get_path (config.format);
174 writer.reset (new AudioGrapher::SndfileWriter<T> (filename, format, channels, config.format->sample_rate(), config.broadcast_info));
175 writer->FileWritten.connect_same_thread (copy_files_connection, boost::bind (&ExportGraphBuilder::Encoder::copy_files, this, _1));
179 ExportGraphBuilder::Encoder::copy_files (std::string orig_path)
181 while (filenames.size()) {
182 FilenamePtr & filename = filenames.front();
183 PBD::sys::copy_file (orig_path, filename->get_path (config.format).c_str());
184 filenames.pop_front();
190 ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &, FileSpec const & new_config, nframes_t max_frames)
194 data_width = sndfile_data_width (Encoder::get_real_format (config));
195 unsigned channels = new_config.channel_config->get_n_chans();
197 if (data_width == 8 || data_width == 16) {
198 short_converter = ShortConverterPtr (new SampleFormatConverter<short> (channels));
199 short_converter->init (max_frames, config.format->dither_type(), data_width);
201 } else if (data_width == 24 || data_width == 32) {
202 int_converter = IntConverterPtr (new SampleFormatConverter<int> (channels));
203 int_converter->init (max_frames, config.format->dither_type(), data_width);
206 int actual_data_width = 8 * sizeof(Sample);
207 float_converter = FloatConverterPtr (new SampleFormatConverter<Sample> (channels));
208 float_converter->init (max_frames, config.format->dither_type(), actual_data_width);
213 ExportGraphBuilder::FloatSinkPtr
214 ExportGraphBuilder::SFC::sink ()
216 if (data_width == 8 || data_width == 16) {
217 return short_converter;
218 } else if (data_width == 24 || data_width == 32) {
219 return int_converter;
221 return float_converter;
226 ExportGraphBuilder::SFC::add_child (FileSpec const & new_config)
228 for (boost::ptr_list<Encoder>::iterator it = children.begin(); it != children.end(); ++it) {
229 if (*it == new_config) {
230 it->add_child (new_config);
235 children.push_back (new Encoder());
236 Encoder & encoder = children.back();
238 if (data_width == 8 || data_width == 16) {
239 short_converter->add_output (encoder.init<short> (new_config));
240 } else if (data_width == 24 || data_width == 32) {
241 int_converter->add_output (encoder.init<int> (new_config));
243 float_converter->add_output (encoder.init<Sample> (new_config));
248 ExportGraphBuilder::SFC::operator== (FileSpec const & other_config) const
250 return config.format->sample_format() == other_config.format->sample_format();
255 ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpec const & new_config, nframes_t /*max_frames*/)
259 max_frames_out = 4086; // TODO good chunk size
261 buffer.reset (new AllocatingProcessContext<Sample> (max_frames_out, config.channel_config->get_n_chans()));
262 peak_reader.reset (new PeakReader ());
263 normalizer.reset (new AudioGrapher::Normalizer (config.format->normalize_target()));
264 threader.reset (new Threader<Sample> (parent.thread_pool));
266 normalizer->alloc_buffer (max_frames_out);
267 normalizer->add_output (threader);
269 int format = ExportFormatBase::F_RAW | ExportFormatBase::SF_Float;
270 tmp_file.reset (new TmpFile<float> (format, config.channel_config->get_n_chans(),
271 config.format->sample_rate()));
272 tmp_file->FileWritten.connect_same_thread (post_processing_connection, boost::bind (&Normalizer::start_post_processing, this));
274 add_child (new_config);
276 peak_reader->add_output (tmp_file);
279 ExportGraphBuilder::FloatSinkPtr
280 ExportGraphBuilder::Normalizer::sink ()
286 ExportGraphBuilder::Normalizer::add_child (FileSpec const & new_config)
288 for (boost::ptr_list<SFC>::iterator it = children.begin(); it != children.end(); ++it) {
289 if (*it == new_config) {
290 it->add_child (new_config);
295 children.push_back (new SFC (parent, new_config, max_frames_out));
296 threader->add_output (children.back().sink());
300 ExportGraphBuilder::Normalizer::operator== (FileSpec const & other_config) const
302 return config.format->normalize() == other_config.format->normalize() &&
303 config.format->normalize_target() == other_config.format->normalize_target();
307 ExportGraphBuilder::Normalizer::process()
309 nframes_t frames_read = tmp_file->read (*buffer);
310 return frames_read != buffer->frames();
314 ExportGraphBuilder::Normalizer::start_post_processing()
316 normalizer->set_peak (peak_reader->get_peak());
317 tmp_file->seek (0, SEEK_SET);
318 tmp_file->add_output (normalizer);
319 parent.normalizers.push_back (this);
324 ExportGraphBuilder::SRC::SRC (ExportGraphBuilder & parent, FileSpec const & new_config, nframes_t max_frames)
328 converter.reset (new SampleRateConverter (new_config.channel_config->get_n_chans()));
329 ExportFormatSpecification & format = *new_config.format;
330 converter->init (parent.session.nominal_frame_rate(), format.sample_rate(), format.src_quality());
331 max_frames_out = converter->allocate_buffers (max_frames);
333 add_child (new_config);
336 ExportGraphBuilder::FloatSinkPtr
337 ExportGraphBuilder::SRC::sink ()
343 ExportGraphBuilder::SRC::add_child (FileSpec const & new_config)
345 if (new_config.format->normalize()) {
346 add_child_to_list (new_config, normalized_children);
348 add_child_to_list (new_config, children);
354 ExportGraphBuilder::SRC::add_child_to_list (FileSpec const & new_config, boost::ptr_list<T> & list)
356 for (typename boost::ptr_list<T>::iterator it = list.begin(); it != list.end(); ++it) {
357 if (*it == new_config) {
358 it->add_child (new_config);
363 list.push_back (new T (parent, new_config, max_frames_out));
364 converter->add_output (list.back().sink ());
368 ExportGraphBuilder::SRC::operator== (FileSpec const & other_config) const
370 return config.format->sample_rate() == other_config.format->sample_rate();
374 ExportGraphBuilder::SilenceHandler::SilenceHandler (ExportGraphBuilder & parent, FileSpec const & new_config, nframes_t max_frames)
378 max_frames_in = max_frames;
379 nframes_t sample_rate = parent.session.nominal_frame_rate();
381 silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in));
382 silence_trimmer->set_trim_beginning (config.format->trim_beginning());
383 silence_trimmer->set_trim_end (config.format->trim_end());
384 silence_trimmer->add_silence_to_beginning (config.format->silence_beginning(sample_rate));
385 silence_trimmer->add_silence_to_end (config.format->silence_end(sample_rate));
387 add_child (new_config);
390 ExportGraphBuilder::FloatSinkPtr
391 ExportGraphBuilder::SilenceHandler::sink ()
393 return silence_trimmer;
397 ExportGraphBuilder::SilenceHandler::add_child (FileSpec const & new_config)
399 for (boost::ptr_list<SRC>::iterator it = children.begin(); it != children.end(); ++it) {
400 if (*it == new_config) {
401 it->add_child (new_config);
406 children.push_back (new SRC (parent, new_config, max_frames_in));
407 silence_trimmer->add_output (children.back().sink());
411 ExportGraphBuilder::SilenceHandler::operator== (FileSpec const & other_config) const
413 ExportFormatSpecification & format = *config.format;
414 ExportFormatSpecification & other_format = *other_config.format;
415 return (format.trim_beginning() == other_format.trim_beginning()) &&
416 (format.trim_end() == other_format.trim_end()) &&
417 (format.silence_beginning() == other_format.silence_beginning()) &&
418 (format.silence_end() == other_format.silence_end());
423 ExportGraphBuilder::ChannelConfig::ChannelConfig (ExportGraphBuilder & parent, FileSpec const & new_config, ChannelMap & channel_map)
426 typedef ExportChannelConfiguration::ChannelList ChannelList;
429 max_frames = parent.session.engine().frames_per_cycle();
431 interleaver.reset (new Interleaver<Sample> ());
432 interleaver->init (new_config.channel_config->get_n_chans(), max_frames);
434 ChannelList const & channel_list = config.channel_config->get_channels();
436 for (ChannelList::const_iterator it = channel_list.begin(); it != channel_list.end(); ++it, ++chan) {
437 ChannelMap::iterator map_it = channel_map.find (*it);
438 if (map_it == channel_map.end()) {
439 std::pair<ChannelMap::iterator, bool> result_pair =
440 channel_map.insert (std::make_pair (*it, IdentityVertexPtr (new IdentityVertex<Sample> ())));
441 assert (result_pair.second);
442 map_it = result_pair.first;
444 map_it->second->add_output (interleaver->input (chan));
447 add_child (new_config);
451 ExportGraphBuilder::ChannelConfig::add_child (FileSpec const & new_config)
453 for (boost::ptr_list<SilenceHandler>::iterator it = children.begin(); it != children.end(); ++it) {
454 if (*it == new_config) {
455 it->add_child (new_config);
460 nframes_t max_frames_out = new_config.channel_config->get_n_chans() * max_frames;
461 children.push_back (new SilenceHandler (parent, new_config, max_frames_out));
462 interleaver->add_output (children.back().sink ());
466 ExportGraphBuilder::ChannelConfig::operator== (FileSpec const & other_config) const
468 return config.channel_config == other_config.channel_config;
471 } // namespace ARDOUR