fix crash when copy'ing latent plugins
[ardour.git] / libs / ardour / export_graph_builder.cc
index 9065aea1303ef3d62e18a5cd37cde6d1e9e8b116..7c5a434beecd3a8975a550acd6be9829bdbd7d35 100644 (file)
@@ -84,25 +84,25 @@ ExportGraphBuilder::process (framecnt_t frames, bool last_cycle)
 }
 
 bool
-ExportGraphBuilder::process_normalize ()
+ExportGraphBuilder::post_process ()
 {
-       for (std::list<Normalizer *>::iterator it = normalizers.begin(); it != normalizers.end(); /* ++ in loop */) {
+       for (std::list<Intermediate *>::iterator it = intermediates.begin(); it != intermediates.end(); /* ++ in loop */) {
                if ((*it)->process()) {
-                       it = normalizers.erase (it);
+                       it = intermediates.erase (it);
                } else {
                        ++it;
                }
        }
 
-       return normalizers.empty();
+       return intermediates.empty();
 }
 
 unsigned
-ExportGraphBuilder::get_normalize_cycle_count() const
+ExportGraphBuilder::get_postprocessing_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());
+       for (std::list<Intermediate *>::const_iterator it = intermediates.begin(); it != intermediates.end(); ++it) {
+               max = std::max(max, (*it)->get_postprocessing_cycle_count());
        }
        return max;
 }
@@ -113,8 +113,9 @@ ExportGraphBuilder::reset ()
        timespan.reset();
        channel_configs.clear ();
        channels.clear ();
-       normalizers.clear ();
+       intermediates.clear ();
        analysis_map.clear();
+       _realtime = false;
 }
 
 void
@@ -135,7 +136,7 @@ ExportGraphBuilder::set_current_timespan (boost::shared_ptr<ExportTimespan> span
 }
 
 void
-ExportGraphBuilder::add_config (FileSpec const & config)
+ExportGraphBuilder::add_config (FileSpec const & config, bool rt)
 {
        ExportChannelConfiguration::ChannelList const & channels =
                config.channel_config->get_channels();
@@ -144,6 +145,8 @@ ExportGraphBuilder::add_config (FileSpec const & config)
                (*it)->set_max_buffer_size(process_buffer_frames);
        }
 
+       _realtime = rt;
+
        // 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);
@@ -408,11 +411,12 @@ ExportGraphBuilder::SFC::operator== (FileSpec const & other_config) const
        return config.format->sample_format() == other_config.format->sample_format();
 }
 
-/* Normalizer */
+/* Intermediate (Normalizer, TmpFile) */
 
-ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
+ExportGraphBuilder::Intermediate::Intermediate (ExportGraphBuilder & parent, FileSpec const & new_config, framecnt_t max_frames)
        : parent (parent)
        , use_loudness (false)
+       , use_peak (false)
 {
        std::string tmpfile_path = parent.session.session_directory().export_path();
        tmpfile_path = Glib::build_filename(tmpfile_path, "XXXXXX");
@@ -424,43 +428,57 @@ ExportGraphBuilder::Normalizer::Normalizer (ExportGraphBuilder & parent, FileSpe
        uint32_t const channels = config.channel_config->get_n_chans();
        max_frames_out = 4086 - (4086 % channels); // TODO good chunk size
        use_loudness = config.format->normalize_loudness ();
+       use_peak = config.format->normalize ();
 
        buffer.reset (new AllocatingProcessContext<Sample> (max_frames_out, channels));
-       peak_reader.reset (new PeakReader ());
-       loudness_reader.reset (new LoudnessReader (config.format->sample_rate(), channels, max_frames));
+
+       if (use_peak) {
+               peak_reader.reset (new PeakReader ());
+       }
+       if (use_loudness) {
+               loudness_reader.reset (new LoudnessReader (config.format->sample_rate(), channels, max_frames));
+       }
+
        normalizer.reset (new AudioGrapher::Normalizer (use_loudness ? 0.0 : config.format->normalize_dbfs()));
        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 TmpFileSync<float> (&tmpfile_path_buf[0], format, channels, config.format->sample_rate()));
+
+       if (parent._realtime) {
+               tmp_file.reset (new TmpFileRt<float> (&tmpfile_path_buf[0], format, channels, config.format->sample_rate()));
+       } else {
+               tmp_file.reset (new TmpFileSync<float> (&tmpfile_path_buf[0], format, channels, config.format->sample_rate()));
+       }
+
        tmp_file->FileWritten.connect_same_thread (post_processing_connection,
-                                                  boost::bind (&Normalizer::prepare_post_processing, this));
+                                                  boost::bind (&Intermediate::prepare_post_processing, this));
        tmp_file->FileFlushed.connect_same_thread (post_processing_connection,
-                                                  boost::bind (&Normalizer::start_post_processing, this));
+                                                  boost::bind (&Intermediate::start_post_processing, this));
 
        add_child (new_config);
 
        if (use_loudness) {
                loudness_reader->add_output (tmp_file);
-       } else {
+       } else if (use_peak) {
                peak_reader->add_output (tmp_file);
        }
 }
 
 ExportGraphBuilder::FloatSinkPtr
-ExportGraphBuilder::Normalizer::sink ()
+ExportGraphBuilder::Intermediate::sink ()
 {
        if (use_loudness) {
                return loudness_reader;
+       } else if (use_peak) {
+               return peak_reader;
        }
-       return peak_reader;
+       return tmp_file;
 }
 
 void
-ExportGraphBuilder::Normalizer::add_child (FileSpec const & new_config)
+ExportGraphBuilder::Intermediate::add_child (FileSpec const & new_config)
 {
        for (boost::ptr_list<SFC>::iterator it = children.begin(); it != children.end(); ++it) {
                if (*it == new_config) {
@@ -474,7 +492,7 @@ ExportGraphBuilder::Normalizer::add_child (FileSpec const & new_config)
 }
 
 void
-ExportGraphBuilder::Normalizer::remove_children (bool remove_out_files)
+ExportGraphBuilder::Intermediate::remove_children (bool remove_out_files)
 {
        boost::ptr_list<SFC>::iterator iter = children.begin ();
 
@@ -485,7 +503,7 @@ ExportGraphBuilder::Normalizer::remove_children (bool remove_out_files)
 }
 
 bool
-ExportGraphBuilder::Normalizer::operator== (FileSpec const & other_config) const
+ExportGraphBuilder::Intermediate::operator== (FileSpec const & other_config) const
 {
        return config.format->normalize() == other_config.format->normalize() &&
                config.format->normalize_loudness () == other_config.format->normalize_loudness() &&
@@ -498,38 +516,43 @@ ExportGraphBuilder::Normalizer::operator== (FileSpec const & other_config) const
 }
 
 unsigned
-ExportGraphBuilder::Normalizer::get_normalize_cycle_count() const
+ExportGraphBuilder::Intermediate::get_postprocessing_cycle_count() const
 {
        return static_cast<unsigned>(std::ceil(static_cast<float>(tmp_file->get_frames_written()) /
                                               max_frames_out));
 }
 
 bool
-ExportGraphBuilder::Normalizer::process()
+ExportGraphBuilder::Intermediate::process()
 {
        framecnt_t frames_read = tmp_file->read (*buffer);
        return frames_read != buffer->frames();
 }
 
 void
-ExportGraphBuilder::Normalizer::prepare_post_processing()
+ExportGraphBuilder::Intermediate::prepare_post_processing()
 {
        // called in sync rt-context
        float gain;
        if (use_loudness) {
                gain = normalizer->set_peak (loudness_reader->get_peak (config.format->normalize_lufs (), config.format->normalize_dbtp ()));
-       } else {
+       } else if (use_peak) {
                gain = normalizer->set_peak (peak_reader->get_peak());
+       } else {
+               gain = normalizer->set_peak (0.0);
        }
-       for (boost::ptr_list<SFC>::iterator i = children.begin(); i != children.end(); ++i) {
-               (*i).set_peak (gain);
+       if (use_loudness || use_peak) {
+               // push info to analyzers
+               for (boost::ptr_list<SFC>::iterator i = children.begin(); i != children.end(); ++i) {
+                       (*i).set_peak (gain);
+               }
        }
        tmp_file->add_output (normalizer);
-       parent.normalizers.push_back (this);
+       parent.intermediates.push_back (this);
 }
 
 void
-ExportGraphBuilder::Normalizer::start_post_processing()
+ExportGraphBuilder::Intermediate::start_post_processing()
 {
        // called in disk-thread (when exporting in realtime)
        tmp_file->seek (0, SEEK_SET);
@@ -561,8 +584,8 @@ ExportGraphBuilder::SRC::sink ()
 void
 ExportGraphBuilder::SRC::add_child (FileSpec const & new_config)
 {
-       if (new_config.format->normalize()) {
-               add_child_to_list (new_config, normalized_children);
+       if (new_config.format->normalize() || parent._realtime) {
+               add_child_to_list (new_config, intermediate_children);
        } else {
                add_child_to_list (new_config, children);
        }
@@ -579,12 +602,12 @@ ExportGraphBuilder::SRC::remove_children (bool remove_out_files)
                sfc_iter = children.erase (sfc_iter);
        }
 
-       boost::ptr_list<Normalizer>::iterator norm_iter = normalized_children.begin();
+       boost::ptr_list<Intermediate>::iterator norm_iter = intermediate_children.begin();
 
-       while (norm_iter != normalized_children.end() ) {
+       while (norm_iter != intermediate_children.end() ) {
                converter->remove_output (norm_iter->sink() );
                norm_iter->remove_children (remove_out_files);
-               norm_iter = normalized_children.erase (norm_iter);
+               norm_iter = intermediate_children.erase (norm_iter);
        }
 
 }