Merge master.

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

diff --git a/src/lib/sndfile_content.cc b/src/lib/sndfile_content.cc
index 549af09b10cd116857d9748f29102dca90f39b93..d3acc7d2e3662a4261d56e6d077e888da4a50ede 100644 (file)
--- a/src/lib/sndfile_content.cc
+++ b/src/lib/sndfile_content.cc
@@ -20,8 +20,10 @@
 #include <libcxml/cxml.h>
 #include "sndfile_content.h"
 #include "sndfile_decoder.h"
+#include "film.h"
 #include "compose.hpp"
 #include "job.h"
+#include "util.h"
 
 #include "i18n.h"
 
@@ -41,20 +43,29 @@ SndfileContent::SndfileContent (shared_ptr<const Film> f, boost::filesystem::pat
 
 }
 
-SndfileContent::SndfileContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+SndfileContent::SndfileContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
        : Content (f, node)
        , AudioContent (f, node)
-       , _audio_mapping (node->node_child ("AudioMapping"))
+       , _audio_mapping (node->node_child ("AudioMapping"), version)
 {
        _audio_channels = node->number_child<int> ("AudioChannels");
-       _audio_length = node->number_child<AudioContent::Frame> ("AudioLength");
+       _audio_length = node->number_child<AudioFrame> ("AudioLength");
        _audio_frame_rate = node->number_child<int> ("AudioFrameRate");
 }
 
 string
 SndfileContent::summary () const
 {
-       return String::compose (_("%1 [audio]"), file().filename().string());
+       /* Get the string() here so that the name does not have quotes around it */
+       return String::compose (_("%1 [audio]"), path_summary ());
+}
+
+string
+SndfileContent::technical_summary () const
+{
+       return Content::technical_summary() + " - "
+               + AudioContent::technical_summary ()
+               + " - sndfile";
 }
 
 string
@@ -107,9 +118,13 @@ SndfileContent::examine (shared_ptr<Job> job)
        signal_changed (AudioContentProperty::AUDIO_LENGTH);
        signal_changed (AudioContentProperty::AUDIO_FRAME_RATE);
 
-       /* XXX: do this in signal_changed...? */
-       _audio_mapping = AudioMapping (_audio_channels);
-       _audio_mapping.make_default ();
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               /* XXX: do this in signal_changed...? */
+               _audio_mapping = AudioMapping (_audio_channels);
+               _audio_mapping.make_default ();
+       }
+       
        signal_changed (AudioContentProperty::AUDIO_MAPPING);
 }
 
@@ -119,19 +134,28 @@ SndfileContent::as_xml (xmlpp::Node* node) const
        node->add_child("Type")->add_child_text ("Sndfile");
        Content::as_xml (node);
        AudioContent::as_xml (node);
-       node->add_child("AudioChannels")->add_child_text (lexical_cast<string> (_audio_channels));
-       node->add_child("AudioLength")->add_child_text (lexical_cast<string> (_audio_length));
-       node->add_child("AudioFrameRate")->add_child_text (lexical_cast<string> (_audio_frame_rate));
+
+       node->add_child("AudioChannels")->add_child_text (lexical_cast<string> (audio_channels ()));
+       node->add_child("AudioLength")->add_child_text (lexical_cast<string> (audio_length ()));
+       node->add_child("AudioFrameRate")->add_child_text (lexical_cast<string> (content_audio_frame_rate ()));
        _audio_mapping.as_xml (node->add_child("AudioMapping"));
 }
 
-Time
-SndfileContent::length () const
+DCPTime
+SndfileContent::full_length () const
 {
        shared_ptr<const Film> film = _film.lock ();
        assert (film);
+
+       AudioFrame const len = audio_length() * output_audio_frame_rate() / content_audio_frame_rate ();
+       
+       /* XXX: this depends on whether, alongside this audio, we are running video slower or faster than
+          it should be.  The calculation above works out the output audio frames assuming that we are just
+          resampling the audio: it would be incomplete if, for example, we were running this audio alongside
+          25fps video that was being run at 24fps.
+       */
        
-       return film->audio_frames_to_time (audio_length ());
+       return film->audio_frames_to_time (len);
 }
 
 int
@@ -140,7 +164,7 @@ SndfileContent::output_audio_frame_rate () const
        shared_ptr<const Film> film = _film.lock ();
        assert (film);
        
-       return film->dcp_audio_frame_rate ();
+       return film->audio_frame_rate ();
 }
 
 void