+/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
+
/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
*/
+#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)
+ , _audio_channels (0)
+ , _audio_length (0)
+ , _audio_frame_rate (0)
{
}
SndfileContent::SndfileContent (shared_ptr<const cxml::Node> node)
: Content (node)
, AudioContent (node)
-
{
-
+ _audio_channels = node->number_child<int> ("AudioChannels");
+ _audio_length = node->number_child<ContentAudioFrame> ("AudioLength");
+ _audio_frame_rate = node->number_child<int> ("AudioFrameRate");
}
string
SndfileContent::summary () const
{
- return String::compose (_("Sound file: %1"), file().filename ());
+ return String::compose (_("Sound file: %1"), file().filename().string());
}
string
SndfileContent::information () const
{
- return "";
+ 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 ();
}
-int
-SndfileContent::audio_channels () 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");
}
-ContentAudioFrame
-SndfileContent::audio_length () const
+shared_ptr<Content>
+SndfileContent::clone () const
{
- /* XXX */
- return 0;
+ return shared_ptr<Content> (new SndfileContent (*this));
}
-int
-SndfileContent::audio_frame_rate () const
+void
+SndfileContent::examine (shared_ptr<Film> film, shared_ptr<Job> job, bool quick)
{
- /* XXX */
- return 0;
+ job->set_progress_unknown ();
+ Content::examine (film, job, quick);
+
+ 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);
}
-int64_t
-SndfileContent::audio_channel_layout () const
+void
+SndfileContent::as_xml (xmlpp::Node* node) const
{
- /* XXX */
- return 0;
+ node->add_child("Type")->add_child_text ("Sndfile");
+ Content::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));
}
-
-bool
-SndfileContent::valid_file (boost::filesystem::path f)
+int
+SndfileContent::output_audio_frame_rate (shared_ptr<const Film>) const
{
- /* XXX: more extensions */
- string ext = f.extension().string();
- transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
- return (ext == ".wav" || ext == ".aif" || ext == ".aiff");
+ /* Resample to a DCI-approved sample rate */
+ return dcp_audio_frame_rate (content_audio_frame_rate ());
}
-shared_ptr<Content>
-SndfileContent::clone () const
+Time
+SndfileContent::length (shared_ptr<const Film> film) const
{
- return shared_ptr<Content> (new SndfileContent (*this));
+ return film->audio_frames_to_time (audio_length ());
}