Hand-apply d3bc61f0af33fedf02ac1a28cf91989ee9cd2fb6 from master;

[dcpomatic.git] / src / lib / audio_content.cc

diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc
index d9e00ff1401ca4e3335ea51c2944aff404a94fae..8458e3314c7be41b36aaccfdb8fdde437fe7b8da 100644 (file)
--- a/src/lib/audio_content.cc
+++ b/src/lib/audio_content.cc
@@ -18,20 +18,27 @@
 */
 
 #include <libcxml/cxml.h>
+#include <dcp/raw_convert.h>
 #include "audio_content.h"
 #include "analyse_audio_job.h"
 #include "job_manager.h"
 #include "film.h"
 #include "exceptions.h"
 #include "config.h"
+#include "frame_rate_change.h"
+#include "audio_processor.h"
 
 #include "i18n.h"
 
 using std::string;
+using std::cout;
 using std::vector;
+using std::stringstream;
+using std::fixed;
+using std::setprecision;
 using boost::shared_ptr;
-using boost::lexical_cast;
 using boost::dynamic_pointer_cast;
+using dcp::raw_convert;
 
 int const AudioContentProperty::AUDIO_CHANNELS = 200;
 int const AudioContentProperty::AUDIO_LENGTH = 201;
@@ -39,11 +46,22 @@ int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
 int const AudioContentProperty::AUDIO_GAIN = 203;
 int const AudioContentProperty::AUDIO_DELAY = 204;
 int const AudioContentProperty::AUDIO_MAPPING = 205;
+int const AudioContentProperty::AUDIO_PROCESSOR = 206;
+
+AudioContent::AudioContent (shared_ptr<const Film> f)
+       : Content (f)
+       , _audio_gain (0)
+       , _audio_delay (Config::instance()->default_audio_delay ())
+       , _audio_processor (0)
+{
+
+}
 
 AudioContent::AudioContent (shared_ptr<const Film> f, DCPTime s)
        : Content (f, s)
        , _audio_gain (0)
        , _audio_delay (Config::instance()->default_audio_delay ())
+       , _audio_processor (0)
 {
 
 }
@@ -52,17 +70,20 @@ AudioContent::AudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
        : Content (f, p)
        , _audio_gain (0)
        , _audio_delay (Config::instance()->default_audio_delay ())
+       , _audio_processor (0)
 {
 
 }
 
-AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+AudioContent::AudioContent (shared_ptr<const Film> f, cxml::ConstNodePtr node)
        : Content (f, node)
+       , _audio_processor (0)
 {
-       LocaleGuard lg;
-       
        _audio_gain = node->number_child<float> ("AudioGain");
        _audio_delay = node->number_child<int> ("AudioDelay");
+       if (node->optional_string_child ("AudioProcessor")) {
+               _audio_processor = AudioProcessor::from_id (node->string_child ("AudioProcessor"));
+       }
 }
 
 AudioContent::AudioContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
@@ -85,21 +106,23 @@ AudioContent::AudioContent (shared_ptr<const Film> f, vector<shared_ptr<Content>
 
        _audio_gain = ref->audio_gain ();
        _audio_delay = ref->audio_delay ();
+       _audio_processor = ref->audio_processor ();
 }
 
 void
 AudioContent::as_xml (xmlpp::Node* node) const
 {
-       LocaleGuard lg;
-       
        boost::mutex::scoped_lock lm (_mutex);
-       node->add_child("AudioGain")->add_child_text (lexical_cast<string> (_audio_gain));
-       node->add_child("AudioDelay")->add_child_text (lexical_cast<string> (_audio_delay));
+       node->add_child("AudioGain")->add_child_text (raw_convert<string> (_audio_gain));
+       node->add_child("AudioDelay")->add_child_text (raw_convert<string> (_audio_delay));
+       if (_audio_processor) {
+               node->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
+       }
 }
 
 
 void
-AudioContent::set_audio_gain (float g)
+AudioContent::set_audio_gain (double g)
 {
        {
                boost::mutex::scoped_lock lm (_mutex);
@@ -120,6 +143,22 @@ AudioContent::set_audio_delay (int d)
        signal_changed (AudioContentProperty::AUDIO_DELAY);
 }
 
+void
+AudioContent::set_audio_processor (AudioProcessor const * p)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _audio_processor = p;
+       }
+
+       /* The channel count might have changed, so reset the mapping */
+       AudioMapping m (processed_audio_channels ());
+       m.make_default ();
+       set_audio_mapping (m);
+
+       signal_changed (AudioContentProperty::AUDIO_PROCESSOR);
+}
+
 boost::signals2::connection
 AudioContent::analyse_audio (boost::function<void()> finished)
 {
@@ -142,7 +181,7 @@ AudioContent::audio_analysis_path () const
        }
 
        boost::filesystem::path p = film->audio_analysis_dir ();
-       p /= digest ();
+       p /= digest().get_value_or ("X") + "_" + audio_mapping().digest();
        return p;
 }
 
@@ -189,3 +228,33 @@ AudioContent::resampled_audio_frame_rate () const
 
        return rint (t);
 }
+
+int
+AudioContent::processed_audio_channels () const
+{
+       if (!audio_processor ()) {
+               return audio_channels ();
+       }
+
+       return audio_processor()->out_channels (audio_channels ());
+}
+
+string
+AudioContent::processing_description () const
+{
+       stringstream d;
+       
+       if (audio_frame_rate() != resampled_audio_frame_rate ()) {
+               stringstream from;
+               from << fixed << setprecision(3) << (audio_frame_rate() / 1000.0);
+               stringstream to;
+               to << fixed << setprecision(3) << (resampled_audio_frame_rate() / 1000.0);
+
+               d << String::compose (_("Audio will be resampled from %1kHz to %2kHz."), from.str(), to.str());
+       } else {
+               d << _("Audio will not be resampled.");
+       }
+
+       return d.str ();
+}
+