Merge master.

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

diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc
index 9968f472561121e833f09392302ede079981575f..6da5afa0c986a22bd45a52f90f434d9fab0df4bf 100644 (file)
--- a/src/lib/audio_content.cc
+++ b/src/lib/audio_content.cc
@@ -19,27 +19,141 @@
 
 #include <libcxml/cxml.h>
 #include "audio_content.h"
+#include "analyse_audio_job.h"
+#include "job_manager.h"
+#include "film.h"
+#include "exceptions.h"
+#include "config.h"
 
+#include "i18n.h"
+
+using std::string;
+using std::vector;
 using boost::shared_ptr;
+using boost::lexical_cast;
+using boost::dynamic_pointer_cast;
 
 int const AudioContentProperty::AUDIO_CHANNELS = 200;
 int const AudioContentProperty::AUDIO_LENGTH = 201;
 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;
 
-AudioContent::AudioContent (boost::filesystem::path f)
-       : Content (f)
+AudioContent::AudioContent (shared_ptr<const Film> f, DCPTime s)
+       : Content (f, s)
+       , _audio_gain (0)
+       , _audio_delay (Config::instance()->default_audio_delay ())
 {
 
 }
 
-AudioContent::AudioContent (shared_ptr<const cxml::Node> node)
-       : Content (node)
+AudioContent::AudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
+       : Content (f, p)
+       , _audio_gain (0)
+       , _audio_delay (Config::instance()->default_audio_delay ())
+{
+
+}
+
+AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+       : Content (f, node)
+{
+       LocaleGuard lg;
+       
+       _audio_gain = node->number_child<float> ("AudioGain");
+       _audio_delay = node->number_child<int> ("AudioDelay");
+}
+
+AudioContent::AudioContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
+       : Content (f, c)
 {
+       shared_ptr<AudioContent> ref = dynamic_pointer_cast<AudioContent> (c[0]);
+       assert (ref);
+       
+       for (size_t i = 0; i < c.size(); ++i) {
+               shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c[i]);
+
+               if (ac->audio_gain() != ref->audio_gain()) {
+                       throw JoinError (_("Content to be joined must have the same audio gain."));
+               }
 
+               if (ac->audio_delay() != ref->audio_delay()) {
+                       throw JoinError (_("Content to be joined must have the same audio delay."));
+               }
+       }
+
+       _audio_gain = ref->audio_gain ();
+       _audio_delay = ref->audio_delay ();
 }
 
-AudioContent::AudioContent (AudioContent const & o)
-       : Content (o)
+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));
+}
 
+
+void
+AudioContent::set_audio_gain (float g)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _audio_gain = g;
+       }
+       
+       signal_changed (AudioContentProperty::AUDIO_GAIN);
+}
+
+void
+AudioContent::set_audio_delay (int d)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _audio_delay = d;
+       }
+       
+       signal_changed (AudioContentProperty::AUDIO_DELAY);
+}
+
+boost::signals2::connection
+AudioContent::analyse_audio (boost::function<void()> finished)
+{
+       shared_ptr<const Film> film = _film.lock ();
+       assert (film);
+       
+       shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, dynamic_pointer_cast<AudioContent> (shared_from_this())));
+       boost::signals2::connection c = job->Finished.connect (finished);
+       JobManager::instance()->add (job);
+
+       return c;
+}
+
+boost::filesystem::path
+AudioContent::audio_analysis_path () const
+{
+       shared_ptr<const Film> film = _film.lock ();
+       if (!film) {
+               return boost::filesystem::path ();
+       }
+
+       boost::filesystem::path p = film->audio_analysis_dir ();
+       p /= digest ();
+       return p;
+}
+
+string
+AudioContent::technical_summary () const
+{
+       return String::compose (
+               "audio: channels %1, length %2, raw rate %3, out rate %4",
+               audio_channels(),
+               audio_length().seconds(),
+               content_audio_frame_rate(),
+               output_audio_frame_rate()
+               );
 }