/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ 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
*/
#include <libcxml/cxml.h>
-#include <libdcp/raw_convert.h>
+#include <dcp/raw_convert.h>
#include "audio_content.h"
#include "analyse_audio_job.h"
#include "job_manager.h"
using std::vector;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
-using libdcp::raw_convert;
+using dcp::raw_convert;
int const AudioContentProperty::AUDIO_CHANNELS = 200;
int const AudioContentProperty::AUDIO_LENGTH = 201;
int const AudioContentProperty::AUDIO_DELAY = 204;
int const AudioContentProperty::AUDIO_MAPPING = 205;
-AudioContent::AudioContent (shared_ptr<const Film> f, Time s)
+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 Film> f, shared_ptr<const cxml::Node> node)
+AudioContent::AudioContent (shared_ptr<const Film> f, cxml::ConstNodePtr node)
: Content (f, node)
{
_audio_gain = node->number_child<float> ("AudioGain");
string
AudioContent::technical_summary () const
{
- return String::compose ("audio: channels %1, length %2, raw rate %3, out rate %4", audio_channels(), audio_length(), content_audio_frame_rate(), output_audio_frame_rate());
+ return String::compose (
+ "audio: channels %1, length %2, content rate %3, resampled rate %4",
+ audio_channels(),
+ audio_length().seconds(),
+ audio_frame_rate(),
+ resampled_audio_frame_rate()
+ );
}
+void
+AudioContent::set_audio_mapping (AudioMapping)
+{
+ signal_changed (AudioContentProperty::AUDIO_MAPPING);
+}
+
+/** @return the frame rate that this content should be resampled to in order
+ * that it is in sync with the active video content at its start time.
+ */
int
-AudioContent::output_audio_frame_rate () const
+AudioContent::resampled_audio_frame_rate () const
{
shared_ptr<const Film> film = _film.lock ();
assert (film);
/* Resample to a DCI-approved sample rate */
- double t = dcp_audio_frame_rate (content_audio_frame_rate ());
+ double t = dcp_audio_frame_rate (audio_frame_rate ());
- FrameRateConversion frc (video_frame_rate(), film->video_frame_rate());
+ FrameRateChange frc = film->active_frame_rate_change (position ());
/* Compensate if the DCP is being run at a different frame rate
to the source; that is, if the video is run such that it will
look different in the DCP compared to the source (slower or faster).
- skip/repeat doesn't come into effect here.
*/
if (frc.change_speed) {
- t *= video_frame_rate() * frc.factor() / film->video_frame_rate();
+ t /= frc.speed_up;
}
return rint (t);
}
-