Add stem export dialog and make all different export dialogs save their config to...
[ardour.git] / libs / ardour / export_graph_builder.cc
index bc3a162e042558c58cbb7805cc961a4d0e1b4da3..51b4c7042cc32dc22c3814cb3594e7dde9d85dad 100644 (file)
 #include "ardour/export_channel_configuration.h"
 #include "ardour/export_filename.h"
 #include "ardour/export_format_specification.h"
+#include "ardour/export_timespan.h"
 #include "ardour/sndfile_helpers.h"
 
 #include "pbd/filesystem.h"
 
 using namespace AudioGrapher;
+using std::string;
 
 namespace ARDOUR {
 
@@ -37,11 +39,13 @@ ExportGraphBuilder::~ExportGraphBuilder ()
 }
 
 int
-ExportGraphBuilder::process (nframes_t /* frames */, bool last_cycle)
+ExportGraphBuilder::process (framecnt_t frames, bool last_cycle)
 {
+       assert(frames <= process_buffer_frames);
+       
        for (ChannelMap::iterator it = channels.begin(); it != channels.end(); ++it) {
-               it->first->read (process_buffer, process_buffer_frames);
-               ProcessContext<Sample> context(process_buffer, process_buffer_frames, 1);
+               it->first->read (process_buffer, frames);
+               ProcessContext<Sample> context(process_buffer, frames, 1);
                if (last_cycle) { context.set_flag (ProcessContext<Sample>::EndOfInput); }
                it->second->process (context);
        }
@@ -66,16 +70,33 @@ ExportGraphBuilder::process_normalize ()
 void
 ExportGraphBuilder::reset ()
 {
+       timespan.reset();
        channel_configs.clear ();
        channels.clear ();
        normalizers.clear ();
 }
 
+void
+ExportGraphBuilder::set_current_timespan (boost::shared_ptr<ExportTimespan> span)
+{
+       timespan = span;
+}
+
 void
 ExportGraphBuilder::add_config (FileSpec const & config)
 {
-       if (!config.channel_config->get_split ()) {
-               add_split_config (config);
+       // 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));
+       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;
        }
        
@@ -83,11 +104,11 @@ ExportGraphBuilder::add_config (FileSpec const & config)
        // each corresponding to a file, at this stage
        typedef std::list<boost::shared_ptr<ExportChannelConfiguration> > ConfigList;
        ConfigList file_configs;
-       config.channel_config->configurations_for_files (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 = config;
+               FileSpec copy = new_config;
                copy.channel_config = *it;
                
                copy.filename.reset (new ExportFilename (*copy.filename));
@@ -109,9 +130,7 @@ ExportGraphBuilder::add_split_config (FileSpec const & config)
        }
        
        // No duplicate channel config found, create new one
-       channel_configs.push_back (ChannelConfig (*this));
-       ChannelConfig & c_config (channel_configs.back());
-       c_config.init (config, channels);
+       channel_configs.push_back (new ChannelConfig (*this, config, channels));
 }
 
 /* Encoder */
@@ -168,10 +187,11 @@ ExportGraphBuilder::Encoder::init_writer (boost::shared_ptr<AudioGrapher::Sndfil
 {
        unsigned channels = config.channel_config->get_n_chans();
        int format = get_real_format (config);
-       Glib::ustring filename = config.filename->get_path (config.format);
+       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()));
-       writer->FileWritten.connect (sigc::mem_fun (*this, &ExportGraphBuilder::Encoder::copy_files));
+       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));
 }
 
 void
@@ -186,8 +206,8 @@ ExportGraphBuilder::Encoder::copy_files (std::string orig_path)
 
 /* SFC */
 
-ExportGraphBuilder::FloatSinkPtr
-ExportGraphBuilder::SFC::init (FileSpec const & new_config, nframes_t max_frames)
+ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &, FileSpec const & new_config, framecnt_t max_frames)
+  : data_width(0)
 {
        config = new_config;
        data_width = sndfile_data_width (Encoder::get_real_format (config));
@@ -197,16 +217,26 @@ ExportGraphBuilder::SFC::init (FileSpec const & new_config, nframes_t max_frames
                short_converter = ShortConverterPtr (new SampleFormatConverter<short> (channels));
                short_converter->init (max_frames, config.format->dither_type(), data_width);
                add_child (config);
-               return short_converter;
        } else if (data_width == 24 || data_width == 32) {
                int_converter = IntConverterPtr (new SampleFormatConverter<int> (channels));
                int_converter->init (max_frames, config.format->dither_type(), data_width);
                add_child (config);
-               return int_converter;
        } else {
+               int actual_data_width = 8 * sizeof(Sample);
                float_converter = FloatConverterPtr (new SampleFormatConverter<Sample> (channels));
-               float_converter->init (max_frames, config.format->dither_type(), data_width);
+               float_converter->init (max_frames, config.format->dither_type(), actual_data_width);
                add_child (config);
+       }
+}
+
+ExportGraphBuilder::FloatSinkPtr
+ExportGraphBuilder::SFC::sink ()
+{
+       if (data_width == 8 || data_width == 16) {
+               return short_converter;
+       } else if (data_width == 24 || data_width == 32) {
+               return int_converter;
+       } else {
                return float_converter;
        }
 }
@@ -214,14 +244,14 @@ ExportGraphBuilder::SFC::init (FileSpec const & new_config, nframes_t max_frames
 void
 ExportGraphBuilder::SFC::add_child (FileSpec const & new_config)
 {
-       for (std::list<Encoder>::iterator it = children.begin(); it != children.end(); ++it) {
+       for (boost::ptr_list<Encoder>::iterator it = children.begin(); it != children.end(); ++it) {
                if (*it == new_config) {
                        it->add_child (new_config);
                        return;
                }
        }
        
-       children.push_back (Encoder());
+       children.push_back (new Encoder());
        Encoder & encoder = children.back();
        
        if (data_width == 8 || data_width == 16) {
@@ -241,8 +271,8 @@ ExportGraphBuilder::SFC::operator== (FileSpec const & other_config) const
 
 /* Normalizer */
 
-ExportGraphBuilder::FloatSinkPtr
-ExportGraphBuilder::Normalizer::init (FileSpec const & new_config, nframes_t /*max_frames*/)
+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
@@ -258,26 +288,31 @@ ExportGraphBuilder::Normalizer::init (FileSpec const & new_config, nframes_t /*m
        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 (sigc::hide (sigc::mem_fun (*this, &Normalizer::start_post_processing)));
+       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);
+}
+
+ExportGraphBuilder::FloatSinkPtr
+ExportGraphBuilder::Normalizer::sink ()
+{
        return peak_reader;
 }
 
 void
 ExportGraphBuilder::Normalizer::add_child (FileSpec const & new_config)
 {
-       for (std::list<SFC>::iterator it = children.begin(); it != children.end(); ++it) {
+       for (boost::ptr_list<SFC>::iterator it = children.begin(); it != children.end(); ++it) {
                if (*it == new_config) {
                        it->add_child (new_config);
                        return;
                }
        }
        
-       children.push_back (SFC (parent));
-       threader->add_output (children.back().init (new_config, max_frames_out));
+       children.push_back (new SFC (parent, new_config, max_frames_out));
+       threader->add_output (children.back().sink());
 }
 
 bool
@@ -290,7 +325,7 @@ ExportGraphBuilder::Normalizer::operator== (FileSpec const & other_config) const
 bool
 ExportGraphBuilder::Normalizer::process()
 {
-       nframes_t frames_read = tmp_file->read (*buffer);
+       framecnt_t frames_read = tmp_file->read (*buffer);
        return frames_read != buffer->frames();
 }
 
@@ -305,8 +340,8 @@ ExportGraphBuilder::Normalizer::start_post_processing()
 
 /* SRC */
 
-ExportGraphBuilder::FloatSinkPtr
-ExportGraphBuilder::SRC::init (FileSpec const & new_config, nframes_t max_frames)
+ExportGraphBuilder::SRC::SRC (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
+  : parent (parent)
 {
        config = new_config;
        converter.reset (new SampleRateConverter (new_config.channel_config->get_n_chans()));
@@ -315,7 +350,11 @@ ExportGraphBuilder::SRC::init (FileSpec const & new_config, nframes_t max_frames
        max_frames_out = converter->allocate_buffers (max_frames);
        
        add_child (new_config);
-       
+}
+
+ExportGraphBuilder::FloatSinkPtr
+ExportGraphBuilder::SRC::sink ()
+{
        return converter;
 }
 
@@ -331,17 +370,17 @@ ExportGraphBuilder::SRC::add_child (FileSpec const & new_config)
 
 template<typename T>
 void
-ExportGraphBuilder::SRC::add_child_to_list (FileSpec const & new_config, std::list<T> & list)
+ExportGraphBuilder::SRC::add_child_to_list (FileSpec const & new_config, boost::ptr_list<T> & list)
 {
-       for (typename std::list<T>::iterator it = list.begin(); it != list.end(); ++it) {
+       for (typename boost::ptr_list<T>::iterator it = list.begin(); it != list.end(); ++it) {
                if (*it == new_config) {
                        it->add_child (new_config);
                        return;
                }
        }
        
-       list.push_back (T (parent));
-       converter->add_output (list.back().init (new_config, max_frames_out));
+       list.push_back (new T (parent, new_config, max_frames_out));
+       converter->add_output (list.back().sink ());
 }
 
 bool
@@ -351,36 +390,44 @@ ExportGraphBuilder::SRC::operator== (FileSpec const & other_config) const
 }
 
 /* SilenceHandler */
-ExportGraphBuilder::FloatSinkPtr
-ExportGraphBuilder::SilenceHandler::init (FileSpec const & new_config, nframes_t max_frames)
+ExportGraphBuilder::SilenceHandler::SilenceHandler (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
+  : parent (parent)
 {
        config = new_config;
        max_frames_in = max_frames;
-       nframes_t sample_rate = parent.session.nominal_frame_rate();
+       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());
-       silence_trimmer->add_silence_to_beginning (config.format->silence_beginning(sample_rate));
-       silence_trimmer->add_silence_to_end (config.format->silence_end(sample_rate));
        
-       add_child (new_config);
+       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);
+}
+
+ExportGraphBuilder::FloatSinkPtr
+ExportGraphBuilder::SilenceHandler::sink ()
+{
        return silence_trimmer;
 }
 
 void
 ExportGraphBuilder::SilenceHandler::add_child (FileSpec const & new_config)
 {
-       for (std::list<SRC>::iterator it = children.begin(); it != children.end(); ++it) {
+       for (boost::ptr_list<SRC>::iterator it = children.begin(); it != children.end(); ++it) {
                if (*it == new_config) {
                        it->add_child (new_config);
                        return;
                }
        }
        
-       children.push_back (SRC (parent));
-       silence_trimmer->add_output (children.back().init (new_config, max_frames_in));
+       children.push_back (new SRC (parent, new_config, max_frames_in));
+       silence_trimmer->add_output (children.back().sink());
 }
 
 bool
@@ -390,14 +437,14 @@ ExportGraphBuilder::SilenceHandler::operator== (FileSpec const & other_config) c
        ExportFormatSpecification & other_format = *other_config.format;
        return (format.trim_beginning() == other_format.trim_beginning()) &&
               (format.trim_end() == other_format.trim_end()) &&
-              (format.silence_beginning() == other_format.silence_beginning()) &&
-              (format.silence_end() == other_format.silence_end());
+              (format.silence_beginning_time() == other_format.silence_beginning_time()) &&
+              (format.silence_end_time() == other_format.silence_end_time());
 }
 
 /* ChannelConfig */
 
-void
-ExportGraphBuilder::ChannelConfig::init (FileSpec const & new_config, ChannelMap & channel_map)
+ExportGraphBuilder::ChannelConfig::ChannelConfig (ExportGraphBuilder & parent, FileSpec const & new_config, ChannelMap & channel_map)
+  : parent (parent)
 {
        typedef ExportChannelConfiguration::ChannelList ChannelList;
        
@@ -426,16 +473,16 @@ ExportGraphBuilder::ChannelConfig::init (FileSpec const & new_config, ChannelMap
 void
 ExportGraphBuilder::ChannelConfig::add_child (FileSpec const & new_config)
 {
-       for (std::list<SilenceHandler>::iterator it = children.begin(); it != children.end(); ++it) {
+       for (boost::ptr_list<SilenceHandler>::iterator it = children.begin(); it != children.end(); ++it) {
                if (*it == new_config) {
                        it->add_child (new_config);
                        return;
                }
        }
        
-       children.push_back (SilenceHandler (parent));
-       nframes_t max_frames_out = new_config.channel_config->get_n_chans() * max_frames;
-       interleaver->add_output (children.back().init (new_config, max_frames_out));
+       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 ());
 }
 
 bool