--- /dev/null
+/*
+ * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __ardour_export_analysis_h__
+#define __ardour_export_analysis_h__
+
+#include <map>
+#include <cstring>
+#include <boost/shared_ptr.hpp>
+
+#include "ardour/types.h"
+
+namespace ARDOUR {
+ struct ExportAnalysis {
+ public:
+ ExportAnalysis ()
+ : loudness (0)
+ , loudness_range (0)
+ , have_loudness (false)
+ {
+ memset (_peaks, 0, sizeof(_peaks));
+ memset (_spectrum, 0, sizeof(_spectrum));
+ }
+
+ ExportAnalysis (const ExportAnalysis& other)
+ : loudness (other.loudness)
+ , loudness_range (other.loudness_range)
+ , have_loudness (other.have_loudness)
+ {
+ memcpy (_peaks, other._peaks, sizeof(_peaks));
+ memcpy (_spectrum, other._spectrum, sizeof(_spectrum));
+ }
+
+ float loudness;
+ float loudness_range;
+ bool have_loudness;
+ PeakData _peaks[800];
+ float _spectrum[800][256];
+ };
+
+ typedef boost::shared_ptr<ExportAnalysis> ExportAnalysisPtr;
+ typedef std::map<std::string, ExportAnalysisPtr> AnalysisResults;
+
+} // namespace ARDOUR
+#endif
#define __ardour_export_graph_builder_h__
#include "ardour/export_handler.h"
+#include "ardour/export_analysis.h"
#include "audiographer/utils/identity_vertex.h"
class SampleRateConverter;
class PeakReader;
class Normalizer;
+ class Analyser;
template <typename T> class Chunker;
template <typename T> class SampleFormatConverter;
template <typename T> class Interleaver;
typedef boost::shared_ptr<AudioGrapher::Sink<Sample> > FloatSinkPtr;
typedef boost::shared_ptr<AudioGrapher::IdentityVertex<Sample> > IdentityVertexPtr;
+ typedef boost::shared_ptr<AudioGrapher::Analyser> AnalysisPtr;
typedef std::map<ExportChannelPtr, IdentityVertexPtr> ChannelMap;
+ typedef std::map<std::string, AnalysisPtr> AnalysisMap;
public:
void cleanup (bool remove_out_files = false);
void set_current_timespan (boost::shared_ptr<ExportTimespan> span);
void add_config (FileSpec const & config);
+ void get_analysis_results (AnalysisResults& results);
private:
+ void add_analyser (const std::string& fn, AnalysisPtr ap) {
+ analysis_map.insert (std::make_pair (fn, ap));
+ }
+
void add_split_config (FileSpec const & config);
class Encoder {
boost::ptr_list<Encoder> children;
int data_width;
+ AnalysisPtr analyser;
// Only one of these should be available at a time
FloatConverterPtr float_converter;
IntConverterPtr int_converter;
std::list<Normalizer *> normalizers;
+ AnalysisMap analysis_map;
+
Glib::ThreadPool thread_pool;
};
#include <stdint.h>
#include "ardour/libardour_visibility.h"
+#include "ardour/export_analysis.h"
#include "ardour/types.h"
#include "pbd/signals.h"
volatile uint32_t total_normalize_cycles;
volatile uint32_t current_normalize_cycle;
+ AnalysisResults result_map;
+
private:
volatile bool _aborted;
volatile bool _errors;
#include "audiographer/general/chunker.h"
#include "audiographer/general/interleaver.h"
#include "audiographer/general/normalizer.h"
+#include "audiographer/general/analyser.h"
#include "audiographer/general/peak_reader.h"
#include "audiographer/general/sample_format_converter.h"
#include "audiographer/general/sr_converter.h"
channel_configs.clear ();
channels.clear ();
normalizers.clear ();
+ analysis_map.clear();
}
void
}
}
+void
+ExportGraphBuilder::get_analysis_results (AnalysisResults& results) {
+ for (AnalysisMap::iterator i = analysis_map.begin(); i != analysis_map.end(); ++i) {
+ ExportAnalysisPtr p = i->second->result ();
+ if (p) {
+ results.insert (std::make_pair (i->first, p));
+ }
+ }
+}
+
void
ExportGraphBuilder::add_split_config (FileSpec const & config)
{
/* SFC */
-ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &, FileSpec const & new_config, framecnt_t max_frames)
+ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &parent, FileSpec const & new_config, framecnt_t max_frames)
: data_width(0)
{
config = new_config;
data_width = sndfile_data_width (Encoder::get_real_format (config));
unsigned channels = new_config.channel_config->get_n_chans();
+ analyser.reset (new Analyser (config.format->sample_rate(), channels, max_frames,
+ (framecnt_t) ceil (parent.timespan->get_length () * config.format->sample_rate () / (double) parent.session.nominal_frame_rate ())));
+ parent.add_analyser (config.filename->get_path (config.format), analyser);
if (data_width == 8 || data_width == 16) {
short_converter = ShortConverterPtr (new SampleFormatConverter<short> (channels));
short_converter->init (max_frames, config.format->dither_type(), data_width);
add_child (config);
+ analyser->add_output (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);
+ analyser->add_output (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(), actual_data_width);
add_child (config);
+ analyser->add_output (float_converter);
}
}
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;
- }
+ return analyser;
}
void
void
ExportHandler::finish_timespan ()
{
+ graph_builder->get_analysis_results (export_status->result_map);
+
while (config_map.begin() != timespan_bounds.second) {
ExportFormatSpecPtr fmt = config_map.begin()->second.format;
std::string filename = config_map.begin()->second.filename->get_path(fmt);
-
if (fmt->with_cue()) {
export_cd_marker_file (current_timespan, fmt, filename, CDMarkerCUE);
}
export_cd_marker_file (current_timespan, fmt, filename, MP4Chaps);
}
+ /* close file first, otherwise TagLib enounters an ERROR_SHARING_VIOLATION
+ * The process cannot access the file because it is being used.
+ * ditto for post-export and upload.
+ */
+ graph_builder->reset ();
+
if (fmt->tag()) {
- /* close file first, otherwise TagLib enounters an ERROR_SHARING_VIOLATION
- * The process cannot access the file because it is being used.
- *
- * TODO: check Umlauts and encoding in filename.
+ /* TODO: check Umlauts and encoding in filename.
* TagLib eventually calls CreateFileA(),
*/
export_status->active_job = ExportStatus::Tagging;
- graph_builder->reset ();
AudiofileTagger::tag_file(filename, *SessionMetadata::Metadata());
}
total_normalize_cycles = 0;
current_normalize_cycle = 0;
+ result_map.clear();
}
void
--- /dev/null
+/*
+ * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef AUDIOGRAPHER_ANALYSER_H
+#define AUDIOGRAPHER_ANALYSER_H
+
+#include <fftw3.h>
+#include <vamp-hostsdk/PluginLoader.h>
+#include <vamp-sdk/Plugin.h>
+
+#include "audiographer/visibility.h"
+#include "audiographer/sink.h"
+#include "audiographer/routines.h"
+#include "audiographer/utils/listed_source.h"
+
+#include "pbd/fastlog.h"
+#include "ardour/export_analysis.h"
+
+namespace AudioGrapher
+{
+
+class /*LIBAUDIOGRAPHER_API*/ Analyser : public ListedSource<float>, public Sink<float>
+{
+ public:
+ Analyser (float sample_rate, unsigned int channels, framecnt_t bufsize, framecnt_t n_samples)
+ : _ebur128_plugin (0)
+ , _sample_rate (sample_rate)
+ , _channels (channels)
+ , _bufsize (bufsize / channels)
+ , _n_samples (n_samples)
+ , _pos (0)
+ {
+ assert (bufsize % channels == 0);
+ //printf("NEW ANALYSER %p r:%.1f c:%d f:%ld l%ld\n", this, sample_rate, channels, bufsize, n_samples);
+ if (channels > 0 && channels <= 2) {
+ using namespace Vamp::HostExt;
+ PluginLoader* loader (PluginLoader::getInstance());
+ _ebur128_plugin = loader->loadPlugin ("libardourvampplugins:ebur128", sample_rate, PluginLoader::ADAPT_ALL_SAFE);
+ assert (_ebur128_plugin);
+ _ebur128_plugin->reset ();
+ _ebur128_plugin->initialise (channels, _bufsize, _bufsize);
+ }
+ _bufs[0] = (float*) malloc (sizeof(float) * _bufsize);
+ _bufs[1] = (float*) malloc (sizeof(float) * _bufsize);
+ const size_t peaks = sizeof(_result._peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 2;
+ _spp = ceil ((_n_samples + 1.f) / (float) peaks);
+
+ _fft_data_size = _bufsize / 2;
+ _fft_freq_per_bin = sample_rate / _fft_data_size / 2.f;
+
+ _fft_data_in = (float *) fftwf_malloc (sizeof(float) * _bufsize);
+ _fft_data_out = (float *) fftwf_malloc (sizeof(float) * _bufsize);
+ _fft_power = (float *) malloc (sizeof(float) * _fft_data_size);
+
+ for (uint32_t i = 0; i < _fft_data_size; ++i) {
+ _fft_power[i] = 0;
+ }
+ for (uint32_t i = 0; i < _bufsize; ++i) {
+ _fft_data_out[i] = 0;
+ }
+
+ _fft_plan = fftwf_plan_r2r_1d (_bufsize, _fft_data_in, _fft_data_out, FFTW_R2HC, FFTW_MEASURE);
+
+ _hann_window = (float *) malloc(sizeof(float) * _bufsize);
+ double sum = 0.0;
+
+ for (uint32_t i = 0; i < _bufsize; ++i) {
+ _hann_window[i] = 0.5f - (0.5f * (float) cos (2.0f * M_PI * (float)i / (float)(_bufsize)));
+ sum += _hann_window[i];
+ }
+ const double isum = 2.0 / sum;
+ for (uint32_t i = 0; i < _bufsize; ++i) {
+ _hann_window[i] *= isum;
+ }
+ }
+
+ ~Analyser ()
+ {
+ delete _ebur128_plugin;
+ free (_bufs[0]);
+ free (_bufs[1]);
+ fftwf_destroy_plan (_fft_plan);
+ fftwf_free (_fft_data_in);
+ fftwf_free (_fft_data_out);
+ free (_fft_power);
+ free (_hann_window);
+ }
+
+ void process (ProcessContext<float> const & c)
+ {
+ framecnt_t n_samples = c.frames() / c.channels();
+ assert (c.frames() % c.channels() == 0);
+ assert (n_samples <= _bufsize);
+ //printf("PROC %p @%ld F: %ld, S: %ld C:%d\n", this, _pos, c.frames(), n_samples, c.channels());
+ float const * d = c.data ();
+ framecnt_t s;
+ for (s = 0; s < n_samples; ++s) {
+ _fft_data_in[s] = 0;
+ const framecnt_t pk = (_pos + s) / _spp;
+ for (unsigned int c = 0; c < _channels; ++c) {
+ const float v = *d;
+ _bufs[c][s] = v;
+ if (_result._peaks[pk].min > v) { _result._peaks[pk].min = *d; }
+ if (_result._peaks[pk].max < v) { _result._peaks[pk].max = *d; }
+ _fft_data_in[s] += v * _hann_window[s] / (float) _channels;
+ ++d;
+ }
+ }
+ for (; s < _bufsize; ++s) {
+ for (unsigned int c = 0; c < _channels; ++c) {
+ _bufs[c][s] = 0.f;
+ _fft_data_in[s] = 0;
+ }
+ }
+ if (_ebur128_plugin) {
+ _ebur128_plugin->process (_bufs, Vamp::RealTime::fromSeconds ((double) _pos / _sample_rate));
+ }
+ fftwf_execute (_fft_plan);
+
+ _fft_power[0] = _fft_data_out[0] * _fft_data_out[0];
+
+#define FRe (_fft_data_out[i])
+#define FIm (_fft_data_out[_bufsize - i])
+ for (uint32_t i = 1; i < _fft_data_size - 1; ++i) {
+ _fft_power[i] = (FRe * FRe) + (FIm * FIm);
+ }
+#undef FRe
+#undef FIm
+
+ // TODO handle case where _pos / _spp != (_pos + _bufsize) / _spp
+ // TODO: get geometry from ExportAnalysis
+ const framecnt_t x = _pos / _spp;
+ const float range = 80; // dB
+ const double ypb = 256.0 / _fft_data_size;
+
+ for (uint32_t i = 1; i < _fft_data_size - 1; ++i) {
+ const float level = fft_power_at_bin (i, i);
+ if (level < -range) continue;
+ const float pk = level > 0.0 ? 1.0 : (range + level) / range;
+ const uint32_t y = 256 - ceil (i * ypb); // log-y?
+ assert (x >= 0 && x < 800);
+ assert (y < 256);
+ if (_result._spectrum[x][y] < pk) { _result._spectrum[x][y] = pk; }
+ }
+
+ _pos += n_samples;
+
+ /* pass audio audio through */
+ ListedSource<float>::output(c);
+ }
+
+ ARDOUR::ExportAnalysisPtr result () {
+ //printf("PROCESSED %ld / %ld samples\n", _pos, _n_samples);
+ if (_pos == 0) {
+ return ARDOUR::ExportAnalysisPtr ();
+ }
+ if (_ebur128_plugin) {
+ Vamp::Plugin::FeatureSet features = _ebur128_plugin->getRemainingFeatures ();
+ if (!features.empty() && features.size() == 2) {
+ _result.loudness = features[0][0].values[0];
+ _result.loudness_range = features[1][0].values[0];
+ _result.have_loudness = true;
+ }
+ }
+ return ARDOUR::ExportAnalysisPtr (new ARDOUR::ExportAnalysis (_result));
+ }
+
+ using Sink<float>::process;
+
+ private:
+ ARDOUR::ExportAnalysis _result;
+ Vamp::Plugin* _ebur128_plugin;
+
+ float _sample_rate;
+ unsigned int _channels;
+ framecnt_t _bufsize;
+ framecnt_t _n_samples;
+ framecnt_t _pos;
+ framecnt_t _spp;
+
+ float* _bufs[2];
+
+ float* _hann_window;
+ uint32_t _fft_data_size;
+ double _fft_freq_per_bin;
+ float* _fft_data_in;
+ float* _fft_data_out;
+ float* _fft_power;
+ fftwf_plan _fft_plan;
+
+ inline float fft_power_at_bin (const uint32_t b, const float norm) const {
+ const float a = _fft_power[b] * norm;
+ return a > 1e-12 ? 10.0 * fast_log10(a) : -INFINITY;
+ }
+
+};
+
+} // namespace
+
+#endif
projects / ardour.git / commitdiff