/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2016 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 "audio_content.h"
-#include "analyse_audio_job.h"
-#include "job_manager.h"
#include "film.h"
#include "exceptions.h"
#include "config.h"
+#include "frame_rate_change.h"
+#include "raw_convert.h"
+#include "compose.hpp"
+#include <libcxml/cxml.h>
+#include <libxml++/libxml++.h>
+#include <boost/foreach.hpp>
+#include <iostream>
#include "i18n.h"
using std::string;
+using std::cout;
using std::vector;
+using std::stringstream;
+using std::fixed;
+using std::list;
+using std::pair;
+using std::setprecision;
using boost::shared_ptr;
-using boost::lexical_cast;
using boost::dynamic_pointer_cast;
+using boost::optional;
-int const AudioContentProperty::AUDIO_CHANNELS = 200;
-int const AudioContentProperty::AUDIO_LENGTH = 201;
-int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
-int const AudioContentProperty::AUDIO_GAIN = 203;
-int const AudioContentProperty::AUDIO_DELAY = 204;
-int const AudioContentProperty::AUDIO_MAPPING = 205;
-
-AudioContent::AudioContent (shared_ptr<const Film> f, DCPTime s)
- : Content (f, s)
- , _audio_gain (0)
- , _audio_delay (Config::instance()->default_audio_delay ())
-{
-
-}
+/** Something stream-related has changed */
+int const AudioContentProperty::STREAMS = 200;
+int const AudioContentProperty::GAIN = 201;
+int const AudioContentProperty::DELAY = 202;
+int const AudioContentProperty::VIDEO_FRAME_RATE = 203;
-AudioContent::AudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
- : Content (f, p)
- , _audio_gain (0)
- , _audio_delay (Config::instance()->default_audio_delay ())
+AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film)
+ : ContentPart (parent, film)
+ , _gain (0)
+ , _delay (Config::instance()->default_audio_delay ())
{
}
-AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
- : Content (f, node)
+AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film, cxml::ConstNodePtr node)
+ : ContentPart (parent, film)
{
- LocaleGuard lg;
-
- _audio_gain = node->number_child<float> ("AudioGain");
- _audio_delay = node->number_child<int> ("AudioDelay");
+ _gain = node->number_child<double> ("AudioGain");
+ _delay = node->number_child<int> ("AudioDelay");
+ _video_frame_rate = node->optional_number_child<double> ("AudioVideoFrameRate");
}
-AudioContent::AudioContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
- : Content (f, c)
+AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
+ : ContentPart (parent, film)
{
- shared_ptr<AudioContent> ref = dynamic_pointer_cast<AudioContent> (c[0]);
- assert (ref);
-
- for (size_t i = 0; i < c.size(); ++i) {
- shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c[i]);
+ shared_ptr<AudioContent> ref = c[0]->audio;
+ DCPOMATIC_ASSERT (ref);
- if (ac->audio_gain() != ref->audio_gain()) {
+ for (size_t i = 1; i < c.size(); ++i) {
+ if (c[i]->audio->gain() != ref->gain()) {
throw JoinError (_("Content to be joined must have the same audio gain."));
}
- if (ac->audio_delay() != ref->audio_delay()) {
+ if (c[i]->audio->delay() != ref->delay()) {
throw JoinError (_("Content to be joined must have the same audio delay."));
}
+
+ if (c[i]->audio->video_frame_rate() != ref->video_frame_rate()) {
+ throw JoinError (_("Content to be joined must have the same video frame rate."));
+ }
}
- _audio_gain = ref->audio_gain ();
- _audio_delay = ref->audio_delay ();
+ _gain = ref->gain ();
+ _delay = ref->delay ();
+ /* Preserve the optional<> part of this */
+ _video_frame_rate = ref->_video_frame_rate;
+ _streams = ref->streams ();
}
void
AudioContent::as_xml (xmlpp::Node* node) const
{
- LocaleGuard lg;
-
boost::mutex::scoped_lock lm (_mutex);
- node->add_child("AudioGain")->add_child_text (lexical_cast<string> (_audio_gain));
- node->add_child("AudioDelay")->add_child_text (lexical_cast<string> (_audio_delay));
+ node->add_child("AudioGain")->add_child_text (raw_convert<string> (_gain));
+ node->add_child("AudioDelay")->add_child_text (raw_convert<string> (_delay));
+ if (_video_frame_rate) {
+ node->add_child("AudioVideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate.get()));
+ }
}
+void
+AudioContent::set_gain (double g)
+{
+ maybe_set (_gain, g, AudioContentProperty::GAIN);
+}
void
-AudioContent::set_audio_gain (float g)
+AudioContent::set_delay (int d)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _audio_gain = g;
+ maybe_set (_delay, d, AudioContentProperty::DELAY);
+}
+
+string
+AudioContent::technical_summary () const
+{
+ string s = "audio :";
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
+ s += String::compose ("stream channels %1 rate %2", i->channels(), i->frame_rate());
}
-
- signal_changed (AudioContentProperty::AUDIO_GAIN);
+
+ return s;
}
void
-AudioContent::set_audio_delay (int d)
+AudioContent::set_mapping (AudioMapping mapping)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _audio_delay = d;
+ int c = 0;
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
+ AudioMapping stream_mapping (i->channels (), MAX_DCP_AUDIO_CHANNELS);
+ for (int j = 0; j < i->channels(); ++j) {
+ for (int k = 0; k < MAX_DCP_AUDIO_CHANNELS; ++k) {
+ stream_mapping.set (j, k, mapping.get (c, k));
+ }
+ ++c;
+ }
+ i->set_mapping (stream_mapping);
}
-
- signal_changed (AudioContentProperty::AUDIO_DELAY);
+
+ _parent->signal_changed (AudioContentProperty::STREAMS);
}
-boost::signals2::connection
-AudioContent::analyse_audio (boost::function<void()> finished)
+AudioMapping
+AudioContent::mapping () const
{
- shared_ptr<const Film> film = _film.lock ();
- assert (film);
-
- shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, dynamic_pointer_cast<AudioContent> (shared_from_this())));
- boost::signals2::connection c = job->Finished.connect (finished);
- JobManager::instance()->add (job);
+ int channels = 0;
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
+ channels += i->channels ();
+ }
+
+ AudioMapping merged (channels, MAX_DCP_AUDIO_CHANNELS);
+ merged.make_zero ();
+
+ int c = 0;
+ int s = 0;
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
+ AudioMapping mapping = i->mapping ();
+ for (int j = 0; j < mapping.input_channels(); ++j) {
+ for (int k = 0; k < MAX_DCP_AUDIO_CHANNELS; ++k) {
+ if (k < mapping.output_channels()) {
+ merged.set (c, k, mapping.get (j, k));
+ }
+ }
+ ++c;
+ }
+ ++s;
+ }
- return c;
+ return merged;
}
-boost::filesystem::path
-AudioContent::audio_analysis_path () const
+/** @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::resampled_frame_rate () const
{
+ /* Resample to a DCI-approved sample rate */
+ double t = has_rate_above_48k() ? 96000 : 48000;
+
shared_ptr<const Film> film = _film.lock ();
- if (!film) {
- return boost::filesystem::path ();
+ DCPOMATIC_ASSERT (film);
+ FrameRateChange frc (video_frame_rate(), film->video_frame_rate());
+
+ /* 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).
+ */
+
+ if (frc.change_speed) {
+ t /= frc.speed_up;
}
- boost::filesystem::path p = film->audio_analysis_dir ();
- p /= digest ();
- return p;
+ return lrint (t);
}
string
-AudioContent::technical_summary () const
+AudioContent::processing_description () const
+{
+ if (streams().empty ()) {
+ return "";
+ }
+
+ /* Possible answers are:
+ 1. all audio will be resampled from x to y.
+ 2. all audio will be resampled to y (from a variety of rates)
+ 3. some audio will be resampled to y (from a variety of rates)
+ 4. nothing will be resampled.
+ */
+
+ bool not_resampled = false;
+ bool resampled = false;
+ bool same = true;
+
+ optional<int> common_frame_rate;
+ BOOST_FOREACH (AudioStreamPtr i, streams()) {
+ if (i->frame_rate() != resampled_frame_rate()) {
+ resampled = true;
+ } else {
+ not_resampled = true;
+ }
+
+ if (common_frame_rate && common_frame_rate != i->frame_rate ()) {
+ same = false;
+ }
+ common_frame_rate = i->frame_rate ();
+ }
+
+ if (not_resampled && !resampled) {
+ return _("Audio will not be resampled");
+ }
+
+ if (not_resampled && resampled) {
+ return String::compose (_("Some audio will be resampled to %1kHz"), resampled_frame_rate ());
+ }
+
+ if (!not_resampled && resampled) {
+ if (same) {
+ return String::compose (_("Audio will be resampled from %1kHz to %2kHz"), common_frame_rate.get(), resampled_frame_rate ());
+ } else {
+ return String::compose (_("Audio will be resampled to %1kHz"), resampled_frame_rate ());
+ }
+ }
+
+ return "";
+}
+
+/** @return true if any stream in this content has a sampling rate of more than 48kHz */
+bool
+AudioContent::has_rate_above_48k () const
+{
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
+ if (i->frame_rate() > 48000) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/** @return User-visible names of each of our audio channels */
+vector<string>
+AudioContent::channel_names () const
+{
+ vector<string> n;
+
+ int t = 1;
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
+ for (int j = 0; j < i->channels(); ++j) {
+ n.push_back (String::compose ("%1:%2", t, j + 1));
+ }
+ ++t;
+ }
+
+ return n;
+}
+
+void
+AudioContent::add_properties (list<UserProperty>& p) const
{
- return String::compose (
- "audio: channels %1, length %2, raw rate %3, out rate %4",
- audio_channels(),
- audio_length().seconds(),
- content_audio_frame_rate(),
- output_audio_frame_rate()
+ shared_ptr<const AudioStream> stream;
+ if (streams().size() == 1) {
+ stream = streams().front ();
+ }
+
+ if (stream) {
+ p.push_back (UserProperty (_("Audio"), _("Channels"), stream->channels ()));
+ p.push_back (UserProperty (_("Audio"), _("Content audio frame rate"), stream->frame_rate(), _("Hz")));
+ }
+
+ shared_ptr<const Film> film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+
+ FrameRateChange const frc (video_frame_rate(), film->video_frame_rate());
+ ContentTime const c (_parent->full_length(), frc);
+
+ p.push_back (
+ UserProperty (_("Length"), _("Full length in video frames at content rate"), c.frames_round(frc.source))
);
+
+ if (stream) {
+ p.push_back (
+ UserProperty (
+ _("Length"),
+ _("Full length in audio frames at content rate"),
+ c.frames_round (stream->frame_rate ())
+ )
+ );
+ }
+
+ p.push_back (UserProperty (_("Audio"), _("DCP frame rate"), resampled_frame_rate (), _("Hz")));
+ p.push_back (UserProperty (_("Length"), _("Full length in video frames at DCP rate"), c.frames_round (frc.dcp)));
+
+ if (stream) {
+ p.push_back (
+ UserProperty (
+ _("Length"),
+ _("Full length in audio frames at DCP rate"),
+ c.frames_round (resampled_frame_rate ())
+ )
+ );
+ }
+}
+
+void
+AudioContent::set_video_frame_rate (double r)
+{
+ maybe_set (_video_frame_rate, r, AudioContentProperty::VIDEO_FRAME_RATE);
+}
+
+double
+AudioContent::video_frame_rate () const
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_video_frame_rate) {
+ return _video_frame_rate.get ();
+ }
+ }
+
+ /* No frame rate specified, so assume this content has been
+ prepared for any concurrent video content.
+ */
+ shared_ptr<const Film> film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+ return film->active_frame_rate_change(_parent->position()).source;
+}
+
+void
+AudioContent::set_streams (vector<AudioStreamPtr> streams)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _streams = streams;
+ }
+
+ _parent->signal_changed (AudioContentProperty::STREAMS);
+}
+
+AudioStreamPtr
+AudioContent::stream () const
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ DCPOMATIC_ASSERT (_streams.size() == 1);
+ return _streams.front ();
+}
+
+void
+AudioContent::add_stream (AudioStreamPtr stream)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _streams.push_back (stream);
+ }
+
+ _parent->signal_changed (AudioContentProperty::STREAMS);
+}
+
+void
+AudioContent::set_stream (AudioStreamPtr stream)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _streams.clear ();
+ _streams.push_back (stream);
+ }
+
+ _parent->signal_changed (AudioContentProperty::STREAMS);
}
projects / dcpomatic.git / blobdiff