#include "audiographer/general/threader.h"
#include "audiographer/sndfile/tmp_file.h"
#include "audiographer/sndfile/tmp_file_rt.h"
+#include "audiographer/sndfile/tmp_file_sync.h"
#include "audiographer/sndfile/sndfile_writer.h"
#include "ardour/audioengine.h"
}
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;
}
timespan.reset();
channel_configs.clear ();
channels.clear ();
- normalizers.clear ();
+ intermediates.clear ();
analysis_map.clear();
+ _realtime = false;
}
void
}
void
-ExportGraphBuilder::add_config (FileSpec const & config)
+ExportGraphBuilder::add_config (FileSpec const & config, bool rt)
{
ExportChannelConfiguration::ChannelList const & channels =
config.channel_config->get_channels();
(*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);
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");
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 TmpFile<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::start_post_processing, this));
+ boost::bind (&Intermediate::prepare_post_processing, this));
+ tmp_file->FileFlushed.connect_same_thread (post_processing_connection,
+ 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) {
}
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 ();
}
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() &&
}
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::start_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->seek (0, SEEK_SET);
tmp_file->add_output (normalizer);
- parent.normalizers.push_back (this);
+ parent.intermediates.push_back (this);
+}
+
+void
+ExportGraphBuilder::Intermediate::start_post_processing()
+{
+ // called in disk-thread (when exporting in realtime)
+ tmp_file->seek (0, SEEK_SET);
+ if (!AudioEngine::instance()->freewheeling ()) {
+ AudioEngine::instance()->freewheel (true);
+ }
}
/* SRC */
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);
}
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);
}
}
max_frames_in = max_frames;
framecnt_t sample_rate = parent.session.nominal_frame_rate();
+ /* work around partsing "-inf" config to "0" -- 7b1f97b
+ * silence trim 0dBFS makes no sense, anyway.
+ */
+ float est = Config->get_export_silence_threshold ();
+ if (est >= 0.f) est = -INFINITY;
#ifdef MIXBUS
- silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in, -90));
+ // Mixbus channelstrip always dithers the signal, cut above dither level
+ silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in, std::max (-90.f, est)));
#else
// TODO silence-threshold should be per export-preset, with Config->get_silence_threshold being the default
- silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in, Config->get_export_silence_threshold ()));
+ silence_trimmer.reset (new SilenceTrimmer<Sample>(max_frames_in, est));
#endif
silence_trimmer->set_trim_beginning (config.format->trim_beginning());
silence_trimmer->set_trim_end (config.format->trim_end());