X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fsndfile_content.cc;h=beee7cd9d0aa33c37dfa31d789b4ef076d3eacfa;hb=09a9ac376db005a40a351736bcff4077f098825d;hp=4794e4d3193e7f267e76b8f98917f3ed7d00dbb3;hpb=b468ccabdb13fca86ae8a324239d83490ef5832e;p=dcpomatic.git

diff --git a/src/lib/sndfile_content.cc b/src/lib/sndfile_content.cc
index 4794e4d31..beee7cd9d 100644
--- a/src/lib/sndfile_content.cc
+++ b/src/lib/sndfile_content.cc
@@ -1,66 +1,160 @@
+/*
+    Copyright (C) 2013 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 "compose.hpp"
+#include "job.h"
 
 #include "i18n.h"
 
 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)
 {
 
 }
 
-SndfileContent::SndfileContent (shared_ptr<const cxml::Node> node)
-	: Content (node)
-	, AudioContent (node)
-		   
+SndfileContent::SndfileContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+	: Content (f, node)
+	, AudioContent (f, node)
 {
-
+	_audio_channels = node->number_child<int> ("AudioChannels");
+	_audio_length = node->number_child<AudioContent::Frame> ("AudioLength");
+	_audio_frame_rate = node->number_child<int> ("AudioFrameRate");
+	_audio_mapping = AudioMapping (node->node_child ("AudioMapping"));
 }
 
 string
 SndfileContent::summary () const
 {
-	return String::compose (_("Sound file: %1"), file().filename ());
+	return String::compose (_("Sound file: %1"), file().filename().string());
 }
 
-int
-SndfileContent::audio_channels () const
+string
+SndfileContent::information () const
 {
-	/* XXX */
-	return 0;
+	if (_audio_frame_rate == 0) {
+		return "";
+	}
+	
+	stringstream s;
+
+	s << String::compose (
+		_("%1 channels, %2kHz, %3 samples"),
+		audio_channels(),
+		content_audio_frame_rate() / 1000.0,
+		audio_length()
+		);
+	
+	return s.str ();
 }
 
-ContentAudioFrame
-SndfileContent::audio_length () const
+bool
+SndfileContent::valid_file (boost::filesystem::path f)
 {
-	/* XXX */
-	return 0;
+	/* XXX: more extensions */
+	string ext = f.extension().string();
+	transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+	return (ext == ".wav" || ext == ".aif" || ext == ".aiff");
 }
 
-int
-SndfileContent::audio_frame_rate () const
+shared_ptr<Content>
+SndfileContent::clone () const
 {
-	/* XXX */
-	return 0;
+	return shared_ptr<Content> (new SndfileContent (*this));
 }
 
-int64_t
-SndfileContent::audio_channel_layout () const
+void
+SndfileContent::examine (shared_ptr<Job> job)
 {
-	/* XXX */
-	return 0;
+	job->set_progress_unknown ();
+	Content::examine (job);
+
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+
+	SndfileDecoder dec (film, 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);
+
+	/* XXX: do this in signal_changed...? */
+	_audio_mapping = AudioMapping (_audio_channels);
+	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));
+	node->add_child("AudioFrameRate")->add_child_text (lexical_cast<string> (_audio_frame_rate));
+	_audio_mapping.as_xml (node->add_child("AudioMapping"));
 }
+
+Time
+SndfileContent::length () const
+{
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
 	
+	return film->audio_frames_to_time (audio_length ());
+}
 
-bool
-SndfileContent::valid_file (boost::filesystem::path f)
+int
+SndfileContent::output_audio_frame_rate () const
 {
-	/* XXX: more extensions */
-	string ext = f.extension().string();
-	transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
-	return (ext == ".wav" || ext == ".aif" || ext == ".aiff");
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+	
+	return film->dcp_audio_frame_rate ();
+}
+
+void
+SndfileContent::set_audio_mapping (AudioMapping m)
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_audio_mapping = m;
+	}
+
+	signal_changed (AudioContentProperty::AUDIO_MAPPING);
 }