Merge master.

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

diff --git a/src/lib/sndfile_content.cc b/src/lib/sndfile_content.cc
index 53df4deeacda2ea12d7fa127d80d39c3ac61f4e1..2d7fa1c1cf9446e0a26cedf13db62bd911cc6df6 100644 (file)
--- a/src/lib/sndfile_content.cc
+++ b/src/lib/sndfile_content.cc
@@ -1,51 +1,91 @@
+/*
+    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#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"
 
-using namespace std;
+using std::string;
+using std::stringstream;
+using std::cout;
+using boost::shared_ptr;
+using boost::lexical_cast;
 
-SndfileContent::SndfileContent (boost::filesystem::path f)
-       : Content (f)
-       , AudioContent (f)
+SndfileContent::SndfileContent (shared_ptr<const Film> f, boost::filesystem::path p)
+       : Content (f, p)
+       , AudioContent (f, p)
+       , _audio_channels (0)
+       , _audio_length (0)
+       , _audio_frame_rate (0)
 {
 
 }
 
-string
-SndfileContent::summary () const
+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"), version)
 {
-       return String::compose (_("Sound file: %1"), file().filename ());
+       _audio_channels = node->number_child<int> ("AudioChannels");
+       _audio_length = ContentTime (node->number_child<int64_t> ("AudioLength"));
+       _audio_frame_rate = node->number_child<int> ("AudioFrameRate");
 }
 
-int
-SndfileContent::audio_channels () const
+string
+SndfileContent::summary () const
 {
-       /* XXX */
-       return 0;
+       /* Get the string() here so that the name does not have quotes around it */
+       return String::compose (_("%1 [audio]"), path_summary ());
 }
 
-ContentAudioFrame
-SndfileContent::audio_length () const
+string
+SndfileContent::technical_summary () const
 {
-       /* XXX */
-       return 0;
+       return Content::technical_summary() + " - "
+               + AudioContent::technical_summary ()
+               + " - sndfile";
 }
 
-int
-SndfileContent::audio_frame_rate () const
+string
+SndfileContent::information () const
 {
-       /* XXX */
-       return 0;
-}
+       if (_audio_frame_rate == 0) {
+               return "";
+       }
+       
+       stringstream s;
 
-int64_t
-SndfileContent::audio_channel_layout () const
-{
-       /* XXX */
-       return 0;
-}
+       s << String::compose (
+               _("%1 channels, %2kHz, %3 samples"),
+               audio_channels(),
+               content_audio_frame_rate() / 1000.0,
+               audio_length().frames (content_audio_frame_rate ())
+               );
        
+       return s.str ();
+}
 
 bool
 SndfileContent::valid_file (boost::filesystem::path f)
@@ -55,3 +95,74 @@ SndfileContent::valid_file (boost::filesystem::path f)
        transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
        return (ext == ".wav" || ext == ".aif" || ext == ".aiff");
 }
+
+void
+SndfileContent::examine (shared_ptr<Job> job)
+{
+       job->set_progress_unknown ();
+       Content::examine (job);
+
+       SndfileDecoder dec (shared_from_this());
+
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _audio_channels = dec.audio_channels ();
+               _audio_length = dec.audio_length ();
+               _audio_frame_rate = dec.audio_frame_rate ();
+       }
+
+       signal_changed (AudioContentProperty::AUDIO_CHANNELS);
+       signal_changed (AudioContentProperty::AUDIO_LENGTH);
+       signal_changed (AudioContentProperty::AUDIO_FRAME_RATE);
+
+       {
+               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);
+}
+
+void
+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().get ()));
+       node->add_child("AudioFrameRate")->add_child_text (lexical_cast<string> (content_audio_frame_rate ()));
+       _audio_mapping.as_xml (node->add_child("AudioMapping"));
+}
+
+DCPTime
+SndfileContent::full_length () const
+{
+       shared_ptr<const Film> film = _film.lock ();
+       assert (film);
+       return DCPTime (audio_length(), film->active_frame_rate_change (position ()));
+}
+
+int
+SndfileContent::output_audio_frame_rate () const
+{
+       shared_ptr<const Film> film = _film.lock ();
+       assert (film);
+       
+       return film->audio_frame_rate ();
+}
+
+void
+SndfileContent::set_audio_mapping (AudioMapping m)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _audio_mapping = m;
+       }
+
+       signal_changed (AudioContentProperty::AUDIO_MAPPING);
+}
+